hg/dhcpcd: src/dhcp.c annotate

annotate src/dhcp.c @ 5530:226b850d158d draft

Fix compile without various defines

author	Roy Marples <roy@marples.name>
date	Fri, 30 Oct 2020 22:18:57 +0000
parents	16610f4104a4
children	a0d828e25482

rev	line source
4548 c7df03794de3 Add SPDX identifiers to all dhcpcd source files. Yegor Yefremov <yegorslists@googlemail.com> parents: 4536 diff changeset	1 /* SPDX-License-Identifier: BSD-2-Clause */
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2 /*
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3 * dhcpcd - DHCP client daemon
4922 555d7d1a4939 Welcome to 2020! Roy Marples <roy@marples.name> parents: 4904 diff changeset	4 * Copyright (c) 2006-2020 Roy Marples <roy@marples.name>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	5 * All rights reserved
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	6
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	7 * Redistribution and use in source and binary forms, with or without
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	8 * modification, are permitted provided that the following conditions
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	9 * are met:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	10 * 1. Redistributions of source code must retain the above copyright
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	11 * notice, this list of conditions and the following disclaimer.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	12 * 2. Redistributions in binary form must reproduce the above copyright
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	13 * notice, this list of conditions and the following disclaimer in the
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	14 * documentation and/or other materials provided with the distribution.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	15 *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	26 * SUCH DAMAGE.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	27 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	28
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	29 #include <sys/param.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	30 #include <sys/socket.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	31
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	32 #include <arpa/inet.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	33 #include <net/if.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	34 #include <net/route.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	35 #include <netinet/if_ether.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	36 #include <netinet/in_systm.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	37 #include <netinet/in.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	38 #include <netinet/ip.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	39 #define __FAVOR_BSD /* Nasty glibc hack so we can use BSD semantics for UDP */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	40 #include <netinet/udp.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	41 #undef __FAVOR_BSD
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	42
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	43 #ifdef AF_LINK
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	44 # include <net/if_dl.h>
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	45 #endif
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	46
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	47 #include <assert.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	48 #include <ctype.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	49 #include <errno.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	50 #include <fcntl.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	51 #include <inttypes.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	52 #include <stdbool.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	53 #include <stddef.h>
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	54 #include <stdio.h>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	55 #include <stdlib.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	56 #include <string.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	57 #include <unistd.h>
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	58 #include <syslog.h>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	59
5038 1e35e845790a eloop: define eloop queue numbers in common.h Roy Marples <roy@marples.name> parents: 5033 diff changeset	60 #define ELOOP_QUEUE ELOOP_DHCP
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	61 #include "config.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	62 #include "arp.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	63 #include "bpf.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	64 #include "common.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	65 #include "dhcp.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	66 #include "dhcpcd.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	67 #include "dhcp-common.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	68 #include "duid.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	69 #include "eloop.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	70 #include "if.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	71 #include "ipv4.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	72 #include "ipv4ll.h"
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	73 #include "logerr.h"
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	74 #include "privsep.h"
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	75 #include "sa.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	76 #include "script.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	77
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	78 #define DAD "Duplicate address detected"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	79 #define DHCP_MIN_LEASE 20
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	80
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	81 #define IPV4A ADDRIPV4 \| ARRAY
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	82 #define IPV4R ADDRIPV4 \| REQUEST
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	83
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	84 /* We should define a maximum for the NAK exponential backoff */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	85 #define NAKOFF_MAX 60
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	86
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	87 /* Wait N nanoseconds between sending a RELEASE and dropping the address.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	88 * This gives the kernel enough time to actually send it. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	89 #define RELEASE_DELAY_S 0
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	90 #define RELEASE_DELAY_NS 10000000
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	91
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	92 #ifndef IPDEFTTL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	93 #define IPDEFTTL 64 /* RFC1340 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	94 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	95
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	96 /* Support older systems with different defines */
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	97 #if !defined(IP_RECVPKTINFO) && defined(IP_PKTINFO)
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	98 #define IP_RECVPKTINFO IP_PKTINFO
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	99 #endif
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	100
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	101 /* Assert the correct structure size for on wire */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	102 __CTASSERT(sizeof(struct ip) == 20);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	103 __CTASSERT(sizeof(struct udphdr) == 8);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	104 __CTASSERT(sizeof(struct bootp) == 300);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	105
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	106 struct dhcp_op {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	107 uint8_t value;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	108 const char *name;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	109 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	110
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	111 static const struct dhcp_op dhcp_ops[] = {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	112 { DHCP_DISCOVER, "DISCOVER" },
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	113 { DHCP_OFFER, "OFFER" },
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	114 { DHCP_REQUEST, "REQUEST" },
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	115 { DHCP_DECLINE, "DECLINE" },
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	116 { DHCP_ACK, "ACK" },
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	117 { DHCP_NAK, "NAK" },
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	118 { DHCP_RELEASE, "RELEASE" },
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	119 { DHCP_INFORM, "INFORM" },
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	120 { DHCP_FORCERENEW, "FORCERENEW"},
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	121 { 0, NULL }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	122 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	123
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	124 static const char * const dhcp_params[] = {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	125 "ip_address",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	126 "subnet_cidr",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	127 "network_number",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	128 "filename",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	129 "server_name",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	130 NULL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	131 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	132
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	133 static int dhcp_openbpf(struct interface *);
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	134 static void dhcp_start1(void *);
4585 745c62847a59 Fix compile on NetBSD with ARP but not ARPING Roy Marples <roy@marples.name> parents: 4584 diff changeset	135 #if defined(ARP) && (!defined(KERNEL_RFC5227) \|\| defined(ARPING))
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	136 static void dhcp_arp_found(struct arp_state , const struct arp_msg );
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	137 #endif
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	138 static void dhcp_handledhcp(struct interface , struct bootp , size_t,
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	139 const struct in_addr *);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	140 static void dhcp_handleifudp(void *);
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	141 static int dhcp_initstate(struct interface *);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	142
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	143 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	144 dhcp_printoptions(const struct dhcpcd_ctx *ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	145 const struct dhcp_opt *opts, size_t opts_len)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	146 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	147 const char * const *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	148 size_t i, j;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	149 const struct dhcp_opt opt, opt2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	150 int cols;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	151
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	152 for (p = dhcp_params; *p; p++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	153 printf(" %s\n", *p);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	154
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	155 for (i = 0, opt = ctx->dhcp_opts; i < ctx->dhcp_opts_len; i++, opt++) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	156 for (j = 0, opt2 = opts; j < opts_len; j++, opt2++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	157 if (opt->option == opt2->option)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	158 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	159 if (j == opts_len) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	160 cols = printf("%03d %s", opt->option, opt->var);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	161 dhcp_print_option_encoding(opt, cols);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	162 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	163 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	164 for (i = 0, opt = opts; i < opts_len; i++, opt++) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	165 cols = printf("%03d %s", opt->option, opt->var);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	166 dhcp_print_option_encoding(opt, cols);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	167 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	168 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	169
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	170 static const uint8_t *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	171 get_option(struct dhcpcd_ctx *ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	172 const struct bootp *bootp, size_t bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	173 unsigned int opt, size_t *opt_len)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	174 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	175 const uint8_t p, e;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	176 uint8_t l, o, ol, overl, *bp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	177 const uint8_t *op;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	178 size_t bl;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	179
4904 8a4470e92585 DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4868 diff changeset	180 if (bootp == NULL \|\| bootp_len < DHCP_MIN_LEN) {
8a4470e92585 DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4868 diff changeset	181 errno = EINVAL;
8a4470e92585 DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4868 diff changeset	182 return NULL;
8a4470e92585 DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4868 diff changeset	183 }
8a4470e92585 DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4868 diff changeset	184
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	185 /* Check we have the magic cookie */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	186 if (!IS_DHCP(bootp)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	187 errno = ENOTSUP;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	188 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	189 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	190
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	191 p = bootp->vend + 4; /* options after the 4 byte cookie */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	192 e = (const uint8_t *)bootp + bootp_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	193 ol = o = overl = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	194 bp = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	195 op = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	196 bl = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	197 while (p < e) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	198 o = *p++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	199 switch (o) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	200 case DHO_PAD:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	201 /* No length to read */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	202 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	203 case DHO_END:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	204 if (overl & 1) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	205 /* bit 1 set means parse boot file */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	206 overl = (uint8_t)(overl & ~1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	207 p = bootp->file;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	208 e = p + sizeof(bootp->file);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	209 } else if (overl & 2) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	210 /* bit 2 set means parse server name */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	211 overl = (uint8_t)(overl & ~2);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	212 p = bootp->sname;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	213 e = p + sizeof(bootp->sname);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	214 } else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	215 goto exit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	216 /* No length to read */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	217 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	218 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	219
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	220 /* Check we can read the length */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	221 if (p == e) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	222 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	223 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	224 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	225 l = *p++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	226
4459 293fe50331c8 DHCP: Fix a potential 1 byte read overflow with DHO_OPTSOVERLOADED Roy Marples <roy@marples.name> parents: 4427 diff changeset	227 /* Check we can read the option data, if present */
293fe50331c8 DHCP: Fix a potential 1 byte read overflow with DHO_OPTSOVERLOADED Roy Marples <roy@marples.name> parents: 4427 diff changeset	228 if (p + l > e) {
293fe50331c8 DHCP: Fix a potential 1 byte read overflow with DHO_OPTSOVERLOADED Roy Marples <roy@marples.name> parents: 4427 diff changeset	229 errno = EINVAL;
293fe50331c8 DHCP: Fix a potential 1 byte read overflow with DHO_OPTSOVERLOADED Roy Marples <roy@marples.name> parents: 4427 diff changeset	230 return NULL;
293fe50331c8 DHCP: Fix a potential 1 byte read overflow with DHO_OPTSOVERLOADED Roy Marples <roy@marples.name> parents: 4427 diff changeset	231 }
293fe50331c8 DHCP: Fix a potential 1 byte read overflow with DHO_OPTSOVERLOADED Roy Marples <roy@marples.name> parents: 4427 diff changeset	232
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	233 if (o == DHO_OPTSOVERLOADED) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	234 /* Ensure we only get this option once by setting
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	235 * the last bit as well as the value.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	236 * This is valid because only the first two bits
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	237 * actually mean anything in RFC2132 Section 9.3 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	238 if (l == 1 && !overl)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	239 overl = 0x80 \| p[0];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	240 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	241
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	242 if (o == opt) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	243 if (op) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	244 /* We must concatonate the options. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	245 if (bl + l > ctx->opt_buffer_len) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	246 size_t pos;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	247 uint8_t *nb;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	248
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	249 if (bp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	250 pos = (size_t)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	251 (bp - ctx->opt_buffer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	252 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	253 pos = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	254 nb = realloc(ctx->opt_buffer, bl + l);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	255 if (nb == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	256 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	257 ctx->opt_buffer = nb;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	258 ctx->opt_buffer_len = bl + l;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	259 bp = ctx->opt_buffer + pos;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	260 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	261 if (bp == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	262 bp = ctx->opt_buffer;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	263 memcpy(bp, op, ol);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	264 bp += ol;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	265 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	266 ol = l;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	267 op = p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	268 bl += ol;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	269 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	270 p += l;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	271 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	272
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	273 exit:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	274 if (opt_len)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	275 *opt_len = bl;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	276 if (bp) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	277 memcpy(bp, op, ol);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	278 return (const uint8_t *)ctx->opt_buffer;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	279 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	280 if (op)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	281 return op;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	282 errno = ENOENT;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	283 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	284 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	285
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	286 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	287 get_option_addr(struct dhcpcd_ctx *ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	288 struct in_addr a, const struct bootp bootp, size_t bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	289 uint8_t option)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	290 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	291 const uint8_t *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	292 size_t len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	293
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	294 p = get_option(ctx, bootp, bootp_len, option, &len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	295 if (!p \|\| len < (ssize_t)sizeof(a->s_addr))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	296 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	297 memcpy(&a->s_addr, p, sizeof(a->s_addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	298 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	299 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	300
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	301 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	302 get_option_uint32(struct dhcpcd_ctx *ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	303 uint32_t i, const struct bootp bootp, size_t bootp_len, uint8_t option)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	304 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	305 const uint8_t *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	306 size_t len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	307 uint32_t d;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	308
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	309 p = get_option(ctx, bootp, bootp_len, option, &len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	310 if (!p \|\| len < (ssize_t)sizeof(d))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	311 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	312 memcpy(&d, p, sizeof(d));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	313 if (i)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	314 *i = ntohl(d);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	315 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	316 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	317
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	318 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	319 get_option_uint16(struct dhcpcd_ctx *ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	320 uint16_t i, const struct bootp bootp, size_t bootp_len, uint8_t option)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	321 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	322 const uint8_t *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	323 size_t len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	324 uint16_t d;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	325
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	326 p = get_option(ctx, bootp, bootp_len, option, &len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	327 if (!p \|\| len < (ssize_t)sizeof(d))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	328 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	329 memcpy(&d, p, sizeof(d));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	330 if (i)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	331 *i = ntohs(d);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	332 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	333 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	334
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	335 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	336 get_option_uint8(struct dhcpcd_ctx *ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	337 uint8_t i, const struct bootp bootp, size_t bootp_len, uint8_t option)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	338 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	339 const uint8_t *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	340 size_t len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	341
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	342 p = get_option(ctx, bootp, bootp_len, option, &len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	343 if (!p \|\| len < (ssize_t)sizeof(*p))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	344 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	345 if (i)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	346 i = (p);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	347 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	348 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	349
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	350 ssize_t
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	351 print_rfc3442(FILE fp, const uint8_t data, size_t data_len)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	352 {
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	353 const uint8_t p = data, e;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	354 size_t ocets;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	355 uint8_t cidr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	356 struct in_addr addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	357
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	358 /* Minimum is 5 -first is CIDR and a router length of 4 */
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	359 if (data_len < 5) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	360 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	361 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	362 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	363
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	364 e = p + data_len;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	365 while (p < e) {
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	366 if (p != data) {
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	367 if (fputc(' ', fp) == EOF)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	368 return -1;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	369 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	370 cidr = *p++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	371 if (cidr > 32) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	372 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	373 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	374 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	375 ocets = (size_t)(cidr + 7) / NBBY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	376 if (p + 4 + ocets > e) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	377 errno = ERANGE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	378 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	379 }
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	380 /* If we have ocets then we have a destination and netmask */
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	381 addr.s_addr = 0;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	382 if (ocets > 0) {
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	383 memcpy(&addr.s_addr, p, ocets);
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	384 p += ocets;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	385 }
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	386 if (fprintf(fp, "%s/%d", inet_ntoa(addr), cidr) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	387 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	388
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	389 /* Finally, snag the router */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	390 memcpy(&addr.s_addr, p, 4);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	391 p += 4;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	392 if (fprintf(fp, " %s", inet_ntoa(addr)) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	393 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	394 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	395
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	396 if (fputc('\0', fp) == EOF)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	397 return -1;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	398 return 1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	399 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	400
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	401 static int
4379 e9573d5cbf1e Replace route TAILQ macros with rbtree(3) from NetBSD. Roy Marples <roy@marples.name> parents: 4377 diff changeset	402 decode_rfc3442_rt(rb_tree_t routes, struct interface ifp,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	403 const uint8_t data, size_t dl, const struct bootp bootp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	404 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	405 const uint8_t *p = data;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	406 const uint8_t *e;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	407 uint8_t cidr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	408 size_t ocets;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	409 struct rt *rt = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	410 struct in_addr dest, netmask, gateway;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	411 int n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	412
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	413 /* Minimum is 5 -first is CIDR and a router length of 4 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	414 if (dl < 5) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	415 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	416 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	417 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	418
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	419 n = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	420 e = p + dl;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	421 while (p < e) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	422 cidr = *p++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	423 if (cidr > 32) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	424 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	425 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	426 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	427
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	428 ocets = (size_t)(cidr + 7) / NBBY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	429 if (p + 4 + ocets > e) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	430 errno = ERANGE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	431 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	432 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	433
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	434 if ((rt = rt_new(ifp)) == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	435 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	436
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	437 /* If we have ocets then we have a destination and netmask */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	438 dest.s_addr = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	439 if (ocets > 0) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	440 memcpy(&dest.s_addr, p, ocets);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	441 p += ocets;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	442 netmask.s_addr = htonl(~0U << (32 - cidr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	443 } else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	444 netmask.s_addr = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	445
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	446 /* Finally, snag the router */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	447 memcpy(&gateway.s_addr, p, 4);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	448 p += 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	449
4362 2e028387b21c dhcp: if the netmask is all ones, it's a host route Roy Marples <roy@marples.name> parents: 4355 diff changeset	450 /* An on-link host route is normally set by having the
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	451 * gateway match the destination or assigned address */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	452 if (gateway.s_addr == dest.s_addr \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	453 (gateway.s_addr == bootp->yiaddr \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	454 gateway.s_addr == bootp->ciaddr))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	455 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	456 gateway.s_addr = INADDR_ANY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	457 netmask.s_addr = INADDR_BROADCAST;
4362 2e028387b21c dhcp: if the netmask is all ones, it's a host route Roy Marples <roy@marples.name> parents: 4355 diff changeset	458 }
2e028387b21c dhcp: if the netmask is all ones, it's a host route Roy Marples <roy@marples.name> parents: 4355 diff changeset	459 if (netmask.s_addr == INADDR_BROADCAST)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	460 rt->rt_flags = RTF_HOST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	461
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	462 sa_in_init(&rt->rt_dest, &dest);
4077 43b960e65bd5 dhcp: Fix classless static routes Roy Marples <roy@marples.name> parents: 4024 diff changeset	463 sa_in_init(&rt->rt_netmask, &netmask);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	464 sa_in_init(&rt->rt_gateway, &gateway);
4522 e2582c7c7e1d route: Use order from message / config Roy Marples <roy@marples.name> parents: 4511 diff changeset	465 if (rt_proto_add(routes, rt))
4524 578ac745c627 Fix a gcc warning about signed overflow Roy Marples <roy@marples.name> parents: 4522 diff changeset	466 n = 1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	467 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	468 return n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	469 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	470
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	471 ssize_t
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	472 print_rfc3361(FILE fp, const uint8_t data, size_t dl)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	473 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	474 uint8_t enc;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	475 char sip[NS_MAXDNAME];
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	476 struct in_addr addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	477
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	478 if (dl < 2) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	479 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	480 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	481 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	482
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	483 enc = *data++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	484 dl--;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	485 switch (enc) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	486 case 0:
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	487 if (decode_rfc1035(sip, sizeof(sip), data, dl) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	488 return -1;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	489 if (efprintf(fp, "%s", sip) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	490 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	491 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	492 case 1:
4866 6c1db207d549 DHCP: dl is always >0 at this point, so remove check. Roy Marples <roy@marples.name> parents: 4846 diff changeset	493 if (dl % 4 != 0) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	494 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	495 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	496 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	497 addr.s_addr = INADDR_BROADCAST;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	498 for (;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	499 dl != 0;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	500 data += sizeof(addr.s_addr), dl -= sizeof(addr.s_addr))
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	501 {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	502 memcpy(&addr.s_addr, data, sizeof(addr.s_addr));
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	503 if (fprintf(fp, "%s", inet_ntoa(addr)) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	504 return -1;
5256 32665ffe1782 Avoid putting an extra space here. Roy Marples <roy@marples.name> parents: 5247 diff changeset	505 if (dl != sizeof(addr.s_addr)) {
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	506 if (fputc(' ', fp) == EOF)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	507 return -1;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	508 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	509 }
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	510 if (fputc('\0', fp) == EOF)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	511 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	512 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	513 default:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	514 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	515 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	516 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	517
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	518 return 1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	519 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	520
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	521 static char *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	522 get_option_string(struct dhcpcd_ctx *ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	523 const struct bootp *bootp, size_t bootp_len, uint8_t option)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	524 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	525 size_t len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	526 const uint8_t *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	527 char *s;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	528
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	529 p = get_option(ctx, bootp, bootp_len, option, &len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	530 if (!p \|\| len == 0 \|\| *p == '\0')
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	531 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	532
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	533 s = malloc(sizeof(char) * (len + 1));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	534 if (s) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	535 memcpy(s, p, len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	536 s[len] = '\0';
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	537 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	538 return s;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	539 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	540
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	541 /* This calculates the netmask that we should use for static routes.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	542 * This IS different from the calculation used to calculate the netmask
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	543 * for an interface address. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	544 static uint32_t
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	545 route_netmask(uint32_t ip_in)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	546 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	547 /* used to be unsigned long - check if error */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	548 uint32_t p = ntohl(ip_in);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	549 uint32_t t;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	550
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	551 if (IN_CLASSA(p))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	552 t = ~IN_CLASSA_NET;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	553 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	554 if (IN_CLASSB(p))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	555 t = ~IN_CLASSB_NET;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	556 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	557 if (IN_CLASSC(p))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	558 t = ~IN_CLASSC_NET;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	559 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	560 t = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	561 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	562 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	563
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	564 while (t & p)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	565 t >>= 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	566
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	567 return (htonl(~t));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	568 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	569
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	570 /* We need to obey routing options.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	571 * If we have a CSR then we only use that.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	572 * Otherwise we add static routes and then routers. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	573 static int
4379 e9573d5cbf1e Replace route TAILQ macros with rbtree(3) from NetBSD. Roy Marples <roy@marples.name> parents: 4377 diff changeset	574 get_option_routes(rb_tree_t routes, struct interface ifp,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	575 const struct bootp *bootp, size_t bootp_len)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	576 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	577 struct if_options *ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	578 const uint8_t *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	579 const uint8_t *e;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	580 struct rt *rt = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	581 struct in_addr dest, netmask, gateway;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	582 size_t len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	583 const char *csr = "";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	584 int n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	585
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	586 /* If we have CSR's then we MUST use these only */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	587 if (!has_option_mask(ifo->nomask, DHO_CSR))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	588 p = get_option(ifp->ctx, bootp, bootp_len, DHO_CSR, &len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	589 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	590 p = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	591 /* Check for crappy MS option */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	592 if (!p && !has_option_mask(ifo->nomask, DHO_MSCSR)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	593 p = get_option(ifp->ctx, bootp, bootp_len, DHO_MSCSR, &len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	594 if (p)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	595 csr = "MS ";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	596 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	597 if (p && (n = decode_rfc3442_rt(routes, ifp, p, len, bootp)) != -1) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	598 const struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	599
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	600 state = D_CSTATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	601 if (!(ifo->options & DHCPCD_CSR_WARNED) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	602 !(state->added & STATE_FAKE))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	603 {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	604 logdebugx("%s: using %sClassless Static Routes",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	605 ifp->name, csr);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	606 ifo->options \|= DHCPCD_CSR_WARNED;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	607 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	608 return n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	609 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	610
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	611 n = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	612 /* OK, get our static routes first. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	613 if (!has_option_mask(ifo->nomask, DHO_STATICROUTE))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	614 p = get_option(ifp->ctx, bootp, bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	615 DHO_STATICROUTE, &len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	616 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	617 p = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	618 /* RFC 2131 Section 5.8 states length MUST be in multiples of 8 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	619 if (p && len % 8 == 0) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	620 e = p + len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	621 while (p < e) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	622 memcpy(&dest.s_addr, p, sizeof(dest.s_addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	623 p += 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	624 memcpy(&gateway.s_addr, p, sizeof(gateway.s_addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	625 p += 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	626 /* RFC 2131 Section 5.8 states default route is
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	627 * illegal */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	628 if (gateway.s_addr == INADDR_ANY)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	629 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	630 if ((rt = rt_new(ifp)) == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	631 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	632
4362 2e028387b21c dhcp: if the netmask is all ones, it's a host route Roy Marples <roy@marples.name> parents: 4355 diff changeset	633 /* A on-link host route is normally set by having the
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	634 * gateway match the destination or assigned address */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	635 if (gateway.s_addr == dest.s_addr \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	636 (gateway.s_addr == bootp->yiaddr \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	637 gateway.s_addr == bootp->ciaddr))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	638 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	639 gateway.s_addr = INADDR_ANY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	640 netmask.s_addr = INADDR_BROADCAST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	641 } else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	642 netmask.s_addr = route_netmask(dest.s_addr);
4362 2e028387b21c dhcp: if the netmask is all ones, it's a host route Roy Marples <roy@marples.name> parents: 4355 diff changeset	643 if (netmask.s_addr == INADDR_BROADCAST)
2e028387b21c dhcp: if the netmask is all ones, it's a host route Roy Marples <roy@marples.name> parents: 4355 diff changeset	644 rt->rt_flags = RTF_HOST;
2e028387b21c dhcp: if the netmask is all ones, it's a host route Roy Marples <roy@marples.name> parents: 4355 diff changeset	645
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	646 sa_in_init(&rt->rt_dest, &dest);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	647 sa_in_init(&rt->rt_netmask, &netmask);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	648 sa_in_init(&rt->rt_gateway, &gateway);
4536 ce9e8fb0e6a3 route: Build list of static routes and routers correctly. Roy Marples <roy@marples.name> parents: 4524 diff changeset	649 if (rt_proto_add(routes, rt))
4396 5bdea847921d route: Free route when failing to insert. Roy Marples <roy@marples.name> parents: 4379 diff changeset	650 n++;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	651 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	652 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	653
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	654 /* Now grab our routers */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	655 if (!has_option_mask(ifo->nomask, DHO_ROUTER))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	656 p = get_option(ifp->ctx, bootp, bootp_len, DHO_ROUTER, &len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	657 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	658 p = NULL;
4536 ce9e8fb0e6a3 route: Build list of static routes and routers correctly. Roy Marples <roy@marples.name> parents: 4524 diff changeset	659 if (p && len % 4 == 0) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	660 e = p + len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	661 dest.s_addr = INADDR_ANY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	662 netmask.s_addr = INADDR_ANY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	663 while (p < e) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	664 if ((rt = rt_new(ifp)) == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	665 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	666 memcpy(&gateway.s_addr, p, sizeof(gateway.s_addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	667 p += 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	668 sa_in_init(&rt->rt_dest, &dest);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	669 sa_in_init(&rt->rt_netmask, &netmask);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	670 sa_in_init(&rt->rt_gateway, &gateway);
4536 ce9e8fb0e6a3 route: Build list of static routes and routers correctly. Roy Marples <roy@marples.name> parents: 4524 diff changeset	671 if (rt_proto_add(routes, rt))
4396 5bdea847921d route: Free route when failing to insert. Roy Marples <roy@marples.name> parents: 4379 diff changeset	672 n++;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	673 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	674 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	675
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	676 return n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	677 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	678
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	679 uint16_t
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	680 dhcp_get_mtu(const struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	681 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	682 const struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	683 uint16_t mtu;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	684
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	685 if (ifp->options->mtu)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	686 return (uint16_t)ifp->options->mtu;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	687 mtu = 0; /* bogus gcc warning */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	688 if ((state = D_CSTATE(ifp)) == NULL \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	689 has_option_mask(ifp->options->nomask, DHO_MTU) \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	690 get_option_uint16(ifp->ctx, &mtu,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	691 state->new, state->new_len, DHO_MTU) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	692 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	693 return mtu;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	694 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	695
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	696 /* Grab our routers from the DHCP message and apply any MTU value
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	697 * the message contains */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	698 int
4379 e9573d5cbf1e Replace route TAILQ macros with rbtree(3) from NetBSD. Roy Marples <roy@marples.name> parents: 4377 diff changeset	699 dhcp_get_routes(rb_tree_t routes, struct interface ifp)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	700 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	701 const struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	702
4108 84bdb647122c dhcp: return routes when renewing Roy Marples <roy@marples.name> parents: 4104 diff changeset	703 if ((state = D_CSTATE(ifp)) == NULL \|\| !(state->added & STATE_ADDED))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	704 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	705 return get_option_routes(routes, ifp, state->new, state->new_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	706 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	707
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	708 /* Assumes DHCP options */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	709 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	710 dhcp_message_add_addr(struct bootp *bootp,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	711 uint8_t type, struct in_addr addr)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	712 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	713 uint8_t *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	714 size_t len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	715
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	716 p = bootp->vend;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	717 while (*p != DHO_END) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	718 p++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	719 p += *p + 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	720 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	721
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	722 len = (size_t)(p - bootp->vend);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	723 if (len + 6 > sizeof(bootp->vend)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	724 errno = ENOMEM;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	725 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	726 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	727
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	728 *p++ = type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	729 *p++ = 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	730 memcpy(p, &addr.s_addr, 4);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	731 p += 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	732 *p = DHO_END;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	733 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	734 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	735
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	736 static ssize_t
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	737 make_message(struct bootp *bootpm, const struct interface ifp, uint8_t type)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	738 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	739 struct bootp *bootp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	740 uint8_t lp, p, *e;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	741 uint8_t *n_params = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	742 uint32_t ul;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	743 uint16_t sz;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	744 size_t len, i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	745 const struct dhcp_opt *opt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	746 struct if_options *ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	747 const struct dhcp_state *state = D_CSTATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	748 const struct dhcp_lease *lease = &state->lease;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	749 char hbuf[HOSTNAME_MAX_LEN + 1];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	750 const char *hostname;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	751 const struct vivco *vivco;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	752 int mtu;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	753 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	754 uint8_t *auth, auth_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	755 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	756
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	757 if ((mtu = if_getmtu(ifp)) == -1)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	758 logerr("%s: if_getmtu", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	759 else if (mtu < MTU_MIN) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	760 if (if_setmtu(ifp, MTU_MIN) == -1)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	761 logerr("%s: if_setmtu", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	762 mtu = MTU_MIN;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	763 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	764
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	765 if (ifo->options & DHCPCD_BOOTP)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	766 bootp = calloc(1, sizeof (*bootp));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	767 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	768 /* Make the maximal message we could send */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	769 bootp = calloc(1, (size_t)(mtu - IP_UDP_SIZE));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	770
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	771 if (bootp == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	772 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	773 *bootpm = bootp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	774
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	775 if (state->addr != NULL &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	776 (type == DHCP_INFORM \|\| type == DHCP_RELEASE \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	777 (type == DHCP_REQUEST &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	778 state->addr->mask.s_addr == lease->mask.s_addr &&
4188 23ff91710a01 dhcp: Don't set ciaddr or unicast if the address we have is faked. Roy Marples <roy@marples.name> parents: 4187 diff changeset	779 (state->new == NULL \|\| IS_DHCP(state->new)) &&
5424 28a650d93729 DHCP: Mark the state as expired on lase lease extension Roy Marples <roy@marples.name> parents: 5299 diff changeset	780 !(state->added & (STATE_FAKE \| STATE_EXPIRED)))))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	781 bootp->ciaddr = state->addr->addr.s_addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	782
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	783 bootp->op = BOOTREQUEST;
5166 a70f6ddefe3c Rename ifp->family -> ifp->hwtype so it's less confusing Roy Marples <roy@marples.name> parents: 5160 diff changeset	784 bootp->htype = (uint8_t)ifp->hwtype;
4958 a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	785 if (ifp->hwlen != 0 && ifp->hwlen < sizeof(bootp->chaddr)) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	786 bootp->hlen = (uint8_t)ifp->hwlen;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	787 memcpy(&bootp->chaddr, &ifp->hwaddr, ifp->hwlen);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	788 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	789
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	790 if (ifo->options & DHCPCD_BROADCAST &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	791 bootp->ciaddr == 0 &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	792 type != DHCP_DECLINE &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	793 type != DHCP_RELEASE)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	794 bootp->flags = htons(BROADCAST_FLAG);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	795
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	796 if (type != DHCP_DECLINE && type != DHCP_RELEASE) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	797 struct timespec tv;
4924 7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	798 unsigned long long secs;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	799
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	800 clock_gettime(CLOCK_MONOTONIC, &tv);
4924 7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	801 secs = eloop_timespec_diff(&tv, &state->started, NULL);
7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	802 if (secs > UINT16_MAX)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	803 bootp->secs = htons((uint16_t)UINT16_MAX);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	804 else
4924 7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	805 bootp->secs = htons((uint16_t)secs);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	806 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	807
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	808 bootp->xid = htonl(state->xid);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	809
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	810 if (ifo->options & DHCPCD_BOOTP)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	811 return sizeof(*bootp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	812
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	813 p = bootp->vend;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	814 e = (uint8_t )bootp + (mtu - IP_UDP_SIZE) - 1; / -1 for DHO_END */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	815
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	816 ul = htonl(MAGIC_COOKIE);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	817 memcpy(p, &ul, sizeof(ul));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	818 p += sizeof(ul);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	819
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	820 #define AREA_LEFT (size_t)(e - p)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	821 #define AREA_FIT(s) if ((s) > AREA_LEFT) goto toobig
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	822 #define AREA_CHECK(s) if ((s) + 2UL > AREA_LEFT) goto toobig
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	823 #define PUT_ADDR(o, a) do { \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	824 AREA_CHECK(4); \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	825 *p++ = (o); \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	826 *p++ = 4; \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	827 memcpy(p, &(a)->s_addr, 4); \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	828 p += 4; \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	829 } while (0 /* CONSTCOND */)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	830
4958 a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	831 /* Options are listed in numerical order as per RFC 7844 Section 3.1
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	832 * XXX: They should be randomised. */
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	833
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	834 bool putip = false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	835 if (lease->addr.s_addr && lease->cookie == htonl(MAGIC_COOKIE)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	836 if (type == DHCP_DECLINE \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	837 (type == DHCP_REQUEST &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	838 (state->addr == NULL \|\|
5426 edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	839 state->added & (STATE_FAKE \| STATE_EXPIRED) \|\|
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	840 lease->addr.s_addr != state->addr->addr.s_addr)))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	841 {
4958 a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	842 putip = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	843 PUT_ADDR(DHO_IPADDRESS, &lease->addr);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	844 }
4958 a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	845 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	846
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	847 AREA_CHECK(3);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	848 *p++ = DHO_MESSAGETYPE;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	849 *p++ = 1;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	850 *p++ = type;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	851
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	852 if (lease->addr.s_addr && lease->cookie == htonl(MAGIC_COOKIE)) {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	853 if (type == DHCP_RELEASE \|\| putip) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	854 if (lease->server.s_addr)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	855 PUT_ADDR(DHO_SERVERID, &lease->server);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	856 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	857 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	858
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	859 if (type == DHCP_DECLINE) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	860 len = strlen(DAD);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	861 if (len > AREA_LEFT) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	862 *p++ = DHO_MESSAGE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	863 *p++ = (uint8_t)len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	864 memcpy(p, DAD, len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	865 p += len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	866 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	867 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	868
4958 a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	869 #define DHCP_DIR(type) ((type) == DHCP_DISCOVER \|\| (type) == DHCP_INFORM \|\| \
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	870 (type) == DHCP_REQUEST)
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	871
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	872 if (DHCP_DIR(type)) {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	873 /* vendor is already encoded correctly, so just add it */
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	874 if (ifo->vendor[0]) {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	875 AREA_CHECK(ifo->vendor[0]);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	876 *p++ = DHO_VENDOR;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	877 memcpy(p, ifo->vendor, (size_t)ifo->vendor[0] + 1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	878 p += ifo->vendor[0] + 1;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	879 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	880 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	881
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	882 if (type == DHCP_DISCOVER && ifo->options & DHCPCD_REQUEST)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	883 PUT_ADDR(DHO_IPADDRESS, &ifo->req_addr);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	884
4958 a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	885 if (DHCP_DIR(type)) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	886 if (type != DHCP_INFORM) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	887 if (ifo->leasetime != 0) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	888 AREA_CHECK(4);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	889 *p++ = DHO_LEASETIME;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	890 *p++ = 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	891 ul = htonl(ifo->leasetime);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	892 memcpy(p, &ul, 4);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	893 p += 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	894 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	895 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	896
4958 a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	897 AREA_CHECK(0);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	898 *p++ = DHO_PARAMETERREQUESTLIST;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	899 n_params = p;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	900 *p++ = 0;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	901 for (i = 0, opt = ifp->ctx->dhcp_opts;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	902 i < ifp->ctx->dhcp_opts_len;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	903 i++, opt++)
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	904 {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	905 if (!DHC_REQOPT(opt, ifo->requestmask, ifo->nomask))
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	906 continue;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	907 if (type == DHCP_INFORM &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	908 (opt->option == DHO_RENEWALTIME \|\|
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	909 opt->option == DHO_REBINDTIME))
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	910 continue;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	911 AREA_FIT(1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	912 *p++ = (uint8_t)opt->option;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	913 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	914 for (i = 0, opt = ifo->dhcp_override;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	915 i < ifo->dhcp_override_len;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	916 i++, opt++)
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	917 {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	918 /* Check if added above */
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	919 for (lp = n_params + 1; lp < p; lp++)
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	920 if (*lp == (uint8_t)opt->option)
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	921 break;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	922 if (lp < p)
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	923 continue;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	924 if (!DHC_REQOPT(opt, ifo->requestmask, ifo->nomask))
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	925 continue;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	926 if (type == DHCP_INFORM &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	927 (opt->option == DHO_RENEWALTIME \|\|
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	928 opt->option == DHO_REBINDTIME))
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	929 continue;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	930 AREA_FIT(1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	931 *p++ = (uint8_t)opt->option;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	932 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	933 *n_params = (uint8_t)(p - n_params - 1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	934
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	935 if (mtu != -1 &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	936 !(has_option_mask(ifo->nomask, DHO_MAXMESSAGESIZE)))
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	937 {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	938 AREA_CHECK(2);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	939 *p++ = DHO_MAXMESSAGESIZE;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	940 *p++ = 2;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	941 sz = htons((uint16_t)(mtu - IP_UDP_SIZE));
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	942 memcpy(p, &sz, 2);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	943 p += 2;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	944 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	945
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	946 if (ifo->userclass[0] &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	947 !has_option_mask(ifo->nomask, DHO_USERCLASS))
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	948 {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	949 AREA_CHECK(ifo->userclass[0]);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	950 *p++ = DHO_USERCLASS;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	951 memcpy(p, ifo->userclass,
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	952 (size_t)ifo->userclass[0] + 1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	953 p += ifo->userclass[0] + 1;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	954 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	955 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	956
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	957 if (state->clientid) {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	958 AREA_CHECK(state->clientid[0]);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	959 *p++ = DHO_CLIENTID;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	960 memcpy(p, state->clientid, (size_t)state->clientid[0] + 1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	961 p += state->clientid[0] + 1;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	962 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	963
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	964 if (DHCP_DIR(type) &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	965 !has_option_mask(ifo->nomask, DHO_VENDORCLASSID) &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	966 ifo->vendorclassid[0])
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	967 {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	968 AREA_CHECK(ifo->vendorclassid[0]);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	969 *p++ = DHO_VENDORCLASSID;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	970 memcpy(p, ifo->vendorclassid, (size_t)ifo->vendorclassid[0]+1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	971 p += ifo->vendorclassid[0] + 1;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	972 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	973
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	974 if (type == DHCP_DISCOVER &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	975 !(ifp->ctx->options & DHCPCD_TEST) &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	976 DHC_REQ(ifo->requestmask, ifo->nomask, DHO_RAPIDCOMMIT))
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	977 {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	978 /* RFC 4039 Section 3 */
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	979 AREA_CHECK(0);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	980 *p++ = DHO_RAPIDCOMMIT;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	981 *p++ = 0;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	982 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	983
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	984 if (DHCP_DIR(type)) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	985 hostname = dhcp_get_hostname(hbuf, sizeof(hbuf), ifo);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	986
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	987 /*
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	988 * RFC4702 3.1 States that if we send the Client FQDN option
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	989 * then we MUST NOT also send the Host Name option.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	990 * Technically we could, but that is not RFC conformant and
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	991 * also seems to break some DHCP server implemetations such as
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	992 * Windows. On the other hand, ISC dhcpd is just as non RFC
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	993 * conformant by not accepting a partially qualified FQDN.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	994 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	995 if (ifo->fqdn != FQDN_DISABLE) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	996 /* IETF DHC-FQDN option (81), RFC4702 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	997 i = 3;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	998 if (hostname)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	999 i += encode_rfc1035(hostname, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1000 AREA_CHECK(i);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1001 *p++ = DHO_FQDN;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1002 *p++ = (uint8_t)i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1003 /*
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1004 * Flags: 0000NEOS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1005 * S: 1 => Client requests Server to update
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1006 * a RR in DNS as well as PTR
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1007 * O: 1 => Server indicates to client that
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1008 * DNS has been updated
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1009 * E: 1 => Name data is DNS format
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1010 * N: 1 => Client requests Server to not
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1011 * update DNS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1012 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1013 if (hostname)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1014 *p++ = (uint8_t)((ifo->fqdn & 0x09) \| 0x04);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1015 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1016 *p++ = (FQDN_NONE & 0x09) \| 0x04;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1017 p++ = 0; / from server for PTR RR */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1018 p++ = 0; / from server for A RR if S=1 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1019 if (hostname) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1020 i = encode_rfc1035(hostname, p);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1021 p += i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1022 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1023 } else if (ifo->options & DHCPCD_HOSTNAME && hostname) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1024 len = strlen(hostname);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1025 AREA_CHECK(len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1026 *p++ = DHO_HOSTNAME;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1027 *p++ = (uint8_t)len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1028 memcpy(p, hostname, len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1029 p += len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1030 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1031 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1032
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1033 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1034 auth = NULL; /* appease GCC */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1035 auth_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1036 if (ifo->auth.options & DHCPCD_AUTH_SEND) {
5299 b7e676ac73c1 privsep: Access the RDM monotic file via IPC Roy Marples <roy@marples.name> parents: 5294 diff changeset	1037 ssize_t alen = dhcp_auth_encode(ifp->ctx, &ifo->auth,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1038 state->auth.token,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1039 NULL, 0, 4, type, NULL, 0);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1040 if (alen != -1 && alen > UINT8_MAX) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1041 errno = ERANGE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1042 alen = -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1043 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1044 if (alen == -1)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1045 logerr("%s: dhcp_auth_encode", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1046 else if (alen != 0) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1047 auth_len = (uint8_t)alen;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1048 AREA_CHECK(auth_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1049 *p++ = DHO_AUTHENTICATION;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1050 *p++ = auth_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1051 auth = p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1052 p += auth_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1053 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1054 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1055 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1056
4958 a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1057 /* RFC 2563 Auto Configure */
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1058 if (type == DHCP_DISCOVER && ifo->options & DHCPCD_IPV4LL &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1059 !(has_option_mask(ifo->nomask, DHO_AUTOCONFIGURE)))
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1060 {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1061 AREA_CHECK(1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1062 *p++ = DHO_AUTOCONFIGURE;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1063 *p++ = 1;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1064 *p++ = 1;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1065 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1066
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1067 if (DHCP_DIR(type)) {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1068 if (ifo->mudurl[0]) {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1069 AREA_CHECK(ifo->mudurl[0]);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1070 *p++ = DHO_MUDURL;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1071 memcpy(p, ifo->mudurl, (size_t)ifo->mudurl[0] + 1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1072 p += ifo->mudurl[0] + 1;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1073 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1074
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1075 if (ifo->vivco_len &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1076 !has_option_mask(ifo->nomask, DHO_VIVCO))
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1077 {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1078 AREA_CHECK(sizeof(ul));
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1079 *p++ = DHO_VIVCO;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1080 lp = p++;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1081 *lp = sizeof(ul);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1082 ul = htonl(ifo->vivco_en);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1083 memcpy(p, &ul, sizeof(ul));
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1084 p += sizeof(ul);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1085 for (i = 0, vivco = ifo->vivco;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1086 i < ifo->vivco_len;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1087 i++, vivco++)
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1088 {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1089 AREA_FIT(vivco->len);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1090 if (vivco->len + 2 + *lp > 255) {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1091 logerrx("%s: VIVCO option too big",
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1092 ifp->name);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1093 free(bootp);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1094 return -1;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1095 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1096 *p++ = (uint8_t)vivco->len;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1097 memcpy(p, vivco->data, vivco->len);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1098 p += vivco->len;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1099 lp = (uint8_t)(lp + vivco->len + 1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1100 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1101 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1102
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1103 #ifdef AUTH
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1104 if ((ifo->auth.options & DHCPCD_AUTH_SENDREQUIRE) !=
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1105 DHCPCD_AUTH_SENDREQUIRE &&
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1106 !has_option_mask(ifo->nomask, DHO_FORCERENEW_NONCE))
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1107 {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1108 /* We support HMAC-MD5 */
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1109 AREA_CHECK(1);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1110 *p++ = DHO_FORCERENEW_NONCE;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1111 *p++ = 1;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1112 *p++ = AUTH_ALG_HMAC_MD5;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1113 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1114 #endif
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1115 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	1116
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1117 *p++ = DHO_END;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1118 len = (size_t)(p - (uint8_t *)bootp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1119
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1120 /* Pad out to the BOOTP message length.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1121 * Even if we send a DHCP packet with a variable length vendor area,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1122 * some servers / relay agents don't like packets smaller than
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1123 * a BOOTP message which is fine because that's stipulated
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1124 * in RFC1542 section 2.1. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1125 while (len < sizeof(*bootp)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1126 *p++ = DHO_PAD;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1127 len++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1128 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1129
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1130 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1131 if (ifo->auth.options & DHCPCD_AUTH_SEND && auth_len != 0)
5299 b7e676ac73c1 privsep: Access the RDM monotic file via IPC Roy Marples <roy@marples.name> parents: 5294 diff changeset	1132 dhcp_auth_encode(ifp->ctx, &ifo->auth, state->auth.token,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1133 (uint8_t *)bootp, len, 4, type, auth, auth_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1134 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1135
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1136 return (ssize_t)len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1137
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1138 toobig:
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1139 logerrx("%s: DHCP message too big", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1140 free(bootp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1141 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1142 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1143
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1144 static size_t
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1145 read_lease(struct interface ifp, struct bootp *bootp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1146 {
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1147 union {
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1148 struct bootp bootp;
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1149 uint8_t buf[FRAMELEN_MAX];
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1150 } buf;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1151 struct dhcp_state *state = D_STATE(ifp);
5208 6e53055c9989 Fix compile warnings with prior. Roy Marples <roy@marples.name> parents: 5207 diff changeset	1152 ssize_t sbytes;
6e53055c9989 Fix compile warnings with prior. Roy Marples <roy@marples.name> parents: 5207 diff changeset	1153 size_t bytes;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1154 uint8_t type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1155 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1156 const uint8_t *auth;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1157 size_t auth_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1158 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1159
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1160 /* Safety */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1161 *bootp = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1162
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1163 if (state->leasefile[0] == '\0') {
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1164 logdebugx("reading standard input");
5208 6e53055c9989 Fix compile warnings with prior. Roy Marples <roy@marples.name> parents: 5207 diff changeset	1165 sbytes = read(fileno(stdin), buf.buf, sizeof(buf.buf));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1166 } else {
5494 0fbde4769bbe Don't log backticks. Roy Marples <roy@marples.name> parents: 5489 diff changeset	1167 logdebugx("%s: reading lease: %s",
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1168 ifp->name, state->leasefile);
5208 6e53055c9989 Fix compile warnings with prior. Roy Marples <roy@marples.name> parents: 5207 diff changeset	1169 sbytes = dhcp_readfile(ifp->ctx, state->leasefile,
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1170 buf.buf, sizeof(buf.buf));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1171 }
5208 6e53055c9989 Fix compile warnings with prior. Roy Marples <roy@marples.name> parents: 5207 diff changeset	1172 if (sbytes == -1) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1173 if (errno != ENOENT)
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1174 logerr("%s: %s", ifp->name, state->leasefile);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1175 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1176 }
5208 6e53055c9989 Fix compile warnings with prior. Roy Marples <roy@marples.name> parents: 5207 diff changeset	1177 bytes = (size_t)sbytes;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1178
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1179 /* Ensure the packet is at lease BOOTP sized
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1180 * with a vendor area of 4 octets
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1181 * (it should be more, and our read packet enforces this so this
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1182 * code should not be needed, but of course people could
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1183 * scribble whatever in the stored lease file. */
5208 6e53055c9989 Fix compile warnings with prior. Roy Marples <roy@marples.name> parents: 5207 diff changeset	1184 if (bytes < DHCP_MIN_LEN) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1185 logerrx("%s: %s: truncated lease", ifp->name, __func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1186 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1187 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1188
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1189 if (ifp->ctx->options & DHCPCD_DUMPLEASE)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1190 goto out;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1191
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1192 /* We may have found a BOOTP server */
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1193 if (get_option_uint8(ifp->ctx, &type, &buf.bootp, bytes,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1194 DHO_MESSAGETYPE) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1195 type = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1196
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1197 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1198 /* Authenticate the message */
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1199 auth = get_option(ifp->ctx, &buf.bootp, bytes,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1200 DHO_AUTHENTICATION, &auth_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1201 if (auth) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1202 if (dhcp_auth_validate(&state->auth, &ifp->options->auth,
5211 cb2fa76d03bc Remove unused variable. Roy Marples <roy@marples.name> parents: 5208 diff changeset	1203 &buf.bootp, bytes, 4, type, auth, auth_len) == NULL)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1204 {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1205 logerr("%s: authentication failed", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1206 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1207 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1208 if (state->auth.token)
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1209 logdebugx("%s: validated using 0x%08" PRIu32,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1210 ifp->name, state->auth.token->secretid);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1211 else
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1212 logdebugx("%s: accepted reconfigure key", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1213 } else if ((ifp->options->auth.options & DHCPCD_AUTH_SENDREQUIRE) ==
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1214 DHCPCD_AUTH_SENDREQUIRE)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1215 {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1216 logerrx("%s: authentication now required", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1217 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1218 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1219 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1220
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1221 out:
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1222 *bootp = malloc(bytes);
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1223 if (*bootp == NULL) {
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1224 logerr(__func__);
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1225 return 0;
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1226 }
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	1227 memcpy(*bootp, buf.buf, bytes);
5208 6e53055c9989 Fix compile warnings with prior. Roy Marples <roy@marples.name> parents: 5207 diff changeset	1228 return bytes;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1229 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1230
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1231 static const struct dhcp_opt *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1232 dhcp_getoverride(const struct if_options *ifo, unsigned int o)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1233 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1234 size_t i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1235 const struct dhcp_opt *opt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1236
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1237 for (i = 0, opt = ifo->dhcp_override;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1238 i < ifo->dhcp_override_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1239 i++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1240 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1241 if (opt->option == o)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1242 return opt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1243 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1244 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1245 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1246
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1247 static const uint8_t *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1248 dhcp_getoption(struct dhcpcd_ctx *ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1249 size_t os, unsigned int code, size_t *len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1250 const uint8_t od, size_t ol, struct dhcp_opt *oopt)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1251 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1252 size_t i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1253 struct dhcp_opt *opt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1254
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1255 if (od) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1256 if (ol < 2) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1257 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1258 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1259 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1260 os = 2; / code + len */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1261 code = (unsigned int)od++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1262 len = (size_t)od++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1263 if (len > ol - os) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1264 errno = ERANGE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1265 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1266 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1267 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1268
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1269 *oopt = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1270 for (i = 0, opt = ctx->dhcp_opts; i < ctx->dhcp_opts_len; i++, opt++) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1271 if (opt->option == *code) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1272 *oopt = opt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1273 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1274 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1275 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1276
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1277 return od;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1278 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1279
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1280 ssize_t
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1281 dhcp_env(FILE fenv, const char prefix, const struct interface *ifp,
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1282 const struct bootp *bootp, size_t bootp_len)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1283 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1284 const struct if_options *ifo;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1285 const uint8_t *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1286 struct in_addr addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1287 struct in_addr net;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1288 struct in_addr brd;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1289 struct dhcp_opt opt, vo;
4538 8e383f84ebd0 Remove now unused variables. Roy Marples <roy@marples.name> parents: 4537 diff changeset	1290 size_t i, pl;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1291 char safe[(BOOTP_FILE_LEN * 4) + 1];
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1292 uint8_t overl = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1293 uint32_t en;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1294
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1295 ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1296 if (get_option_uint8(ifp->ctx, &overl, bootp, bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1297 DHO_OPTSOVERLOADED) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1298 overl = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1299
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1300 if (bootp->yiaddr \|\| bootp->ciaddr) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1301 /* Set some useful variables that we derive from the DHCP
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1302 * message but are not necessarily in the options */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1303 addr.s_addr = bootp->yiaddr ? bootp->yiaddr : bootp->ciaddr;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1304 if (efprintf(fenv, "%s_ip_address=%s",
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1305 prefix, inet_ntoa(addr)) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1306 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1307 if (get_option_addr(ifp->ctx, &net,
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1308 bootp, bootp_len, DHO_SUBNETMASK) == -1) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1309 net.s_addr = ipv4_getnetmask(addr.s_addr);
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1310 if (efprintf(fenv, "%s_subnet_mask=%s",
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1311 prefix, inet_ntoa(net)) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1312 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1313 }
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1314 if (efprintf(fenv, "%s_subnet_cidr=%d",
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1315 prefix, inet_ntocidr(net))== -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1316 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1317 if (get_option_addr(ifp->ctx, &brd,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1318 bootp, bootp_len, DHO_BROADCAST) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1319 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1320 brd.s_addr = addr.s_addr \| ~net.s_addr;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1321 if (efprintf(fenv, "%s_broadcast_address=%s",
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1322 prefix, inet_ntoa(brd)) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1323 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1324 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1325 addr.s_addr = bootp->yiaddr & net.s_addr;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1326 if (efprintf(fenv, "%s_network_number=%s",
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1327 prefix, inet_ntoa(addr)) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1328 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1329 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1330
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1331 if (*bootp->file && !(overl & 1)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1332 print_string(safe, sizeof(safe), OT_STRING,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1333 bootp->file, sizeof(bootp->file));
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1334 if (efprintf(fenv, "%s_filename=%s", prefix, safe) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1335 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1336 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1337 if (*bootp->sname && !(overl & 2)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1338 print_string(safe, sizeof(safe), OT_STRING \| OT_DOMAIN,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1339 bootp->sname, sizeof(bootp->sname));
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1340 if (efprintf(fenv, "%s_server_name=%s", prefix, safe) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1341 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1342 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1343
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1344 /* Zero our indexes */
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1345 for (i = 0, opt = ifp->ctx->dhcp_opts;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1346 i < ifp->ctx->dhcp_opts_len;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1347 i++, opt++)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1348 dhcp_zero_index(opt);
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1349 for (i = 0, opt = ifp->options->dhcp_override;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1350 i < ifp->options->dhcp_override_len;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1351 i++, opt++)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1352 dhcp_zero_index(opt);
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1353 for (i = 0, opt = ifp->ctx->vivso;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1354 i < ifp->ctx->vivso_len;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1355 i++, opt++)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1356 dhcp_zero_index(opt);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1357
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1358 for (i = 0, opt = ifp->ctx->dhcp_opts;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1359 i < ifp->ctx->dhcp_opts_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1360 i++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1361 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1362 if (has_option_mask(ifo->nomask, opt->option))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1363 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1364 if (dhcp_getoverride(ifo, opt->option))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1365 continue;
4166 3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1366 p = get_option(ifp->ctx, bootp, bootp_len, opt->option, &pl);
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1367 if (p == NULL)
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1368 continue;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1369 dhcp_envoption(ifp->ctx, fenv, prefix, ifp->name,
4166 3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1370 opt, dhcp_getoption, p, pl);
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1371
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1372 if (opt->option != DHO_VIVSO \|\| pl <= (int)sizeof(uint32_t))
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1373 continue;
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1374 memcpy(&en, p, sizeof(en));
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1375 en = ntohl(en);
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1376 vo = vivso_find(en, ifp);
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1377 if (vo == NULL)
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1378 continue;
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1379 /* Skip over en + total size */
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1380 p += sizeof(en) + 1;
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1381 pl -= sizeof(en) + 1;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1382 dhcp_envoption(ifp->ctx, fenv, prefix, ifp->name,
4166 3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1383 vo, dhcp_getoption, p, pl);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1384 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1385
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1386 for (i = 0, opt = ifo->dhcp_override;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1387 i < ifo->dhcp_override_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1388 i++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1389 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1390 if (has_option_mask(ifo->nomask, opt->option))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1391 continue;
4166 3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1392 p = get_option(ifp->ctx, bootp, bootp_len, opt->option, &pl);
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1393 if (p == NULL)
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1394 continue;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1395 dhcp_envoption(ifp->ctx, fenv, prefix, ifp->name,
4166 3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1396 opt, dhcp_getoption, p, pl);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1397 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1398
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1399 return 1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1400 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1401
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1402 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1403 get_lease(struct interface *ifp,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1404 struct dhcp_lease lease, const struct bootp bootp, size_t len)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1405 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1406 struct dhcpcd_ctx *ctx;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1407
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1408 assert(bootp != NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1409
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1410 memcpy(&lease->cookie, bootp->vend, sizeof(lease->cookie));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1411 /* BOOTP does not set yiaddr for replies when ciaddr is set. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1412 lease->addr.s_addr = bootp->yiaddr ? bootp->yiaddr : bootp->ciaddr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1413 ctx = ifp->ctx;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1414 if (ifp->options->options & (DHCPCD_STATIC \| DHCPCD_INFORM)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1415 if (ifp->options->req_addr.s_addr != INADDR_ANY) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1416 lease->mask = ifp->options->req_mask;
4207 d9c3c7008d20 ipv4: allow configuration of static broadcast address Roy Marples <roy@marples.name> parents: 4199 diff changeset	1417 if (ifp->options->req_brd.s_addr != INADDR_ANY)
d9c3c7008d20 ipv4: allow configuration of static broadcast address Roy Marples <roy@marples.name> parents: 4199 diff changeset	1418 lease->brd = ifp->options->req_brd;
d9c3c7008d20 ipv4: allow configuration of static broadcast address Roy Marples <roy@marples.name> parents: 4199 diff changeset	1419 else
d9c3c7008d20 ipv4: allow configuration of static broadcast address Roy Marples <roy@marples.name> parents: 4199 diff changeset	1420 lease->brd.s_addr =
d9c3c7008d20 ipv4: allow configuration of static broadcast address Roy Marples <roy@marples.name> parents: 4199 diff changeset	1421 lease->addr.s_addr \| ~lease->mask.s_addr;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1422 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1423 const struct ipv4_addr *ia;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1424
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1425 ia = ipv4_iffindaddr(ifp, &lease->addr, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1426 assert(ia != NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1427 lease->mask = ia->mask;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1428 lease->brd = ia->brd;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1429 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1430 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1431 if (get_option_addr(ctx, &lease->mask, bootp, len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1432 DHO_SUBNETMASK) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1433 lease->mask.s_addr =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1434 ipv4_getnetmask(lease->addr.s_addr);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1435 if (get_option_addr(ctx, &lease->brd, bootp, len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1436 DHO_BROADCAST) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1437 lease->brd.s_addr =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1438 lease->addr.s_addr \| ~lease->mask.s_addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1439 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1440 if (get_option_uint32(ctx, &lease->leasetime,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1441 bootp, len, DHO_LEASETIME) != 0)
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4549 diff changeset	1442 lease->leasetime = DHCP_INFINITE_LIFETIME;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1443 if (get_option_uint32(ctx, &lease->renewaltime,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1444 bootp, len, DHO_RENEWALTIME) != 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1445 lease->renewaltime = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1446 if (get_option_uint32(ctx, &lease->rebindtime,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1447 bootp, len, DHO_REBINDTIME) != 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1448 lease->rebindtime = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1449 if (get_option_addr(ctx, &lease->server, bootp, len, DHO_SERVERID) != 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1450 lease->server.s_addr = INADDR_ANY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1451 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1452
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1453 static const char *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1454 get_dhcp_op(uint8_t type)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1455 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1456 const struct dhcp_op *d;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1457
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1458 for (d = dhcp_ops; d->name; d++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1459 if (d->value == type)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1460 return d->name;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1461 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1462 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1463
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1464 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1465 dhcp_fallback(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1466 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1467 struct interface *iface;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1468
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1469 iface = (struct interface *)arg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1470 dhcpcd_selectprofile(iface, iface->options->fallback);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1471 dhcpcd_startinterface(iface);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1472 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1473
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1474 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1475 dhcp_new_xid(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1476 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1477 struct dhcp_state *state;
4177 bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1478 const struct interface *ifp1;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1479 const struct dhcp_state *state1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1480
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1481 state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1482 if (ifp->options->options & DHCPCD_XID_HWADDR &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1483 ifp->hwlen >= sizeof(state->xid))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1484 /* The lower bits are probably more unique on the network */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1485 memcpy(&state->xid,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1486 (ifp->hwaddr + ifp->hwlen) - sizeof(state->xid),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1487 sizeof(state->xid));
4177 bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1488 else {
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1489 again:
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1490 state->xid = arc4random();
4177 bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1491 }
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1492
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1493 /* Ensure it's unique */
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1494 TAILQ_FOREACH(ifp1, ifp->ctx->ifaces, next) {
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1495 if (ifp == ifp1)
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1496 continue;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1497 if ((state1 = D_CSTATE(ifp1)) == NULL)
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1498 continue;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1499 if (state1->xid == state->xid)
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1500 break;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1501 }
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1502 if (ifp1 != NULL) {
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1503 if (ifp->options->options & DHCPCD_XID_HWADDR &&
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1504 ifp->hwlen >= sizeof(state->xid))
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1505 {
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1506 logerrx("%s: duplicate xid on %s",
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1507 ifp->name, ifp1->name);
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1508 return;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1509 }
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1510 goto again;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1511 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1512
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1513 /* We can't do this when sharing leases across interfaes */
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1514 #if 0
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1515 /* As the XID changes, re-apply the filter. */
4014 eed6b78ac418 Log bpf_arp and bpf_bootp failures. Roy Marples <roy@marples.name> parents: 4010 diff changeset	1516 if (state->bpf_fd != -1) {
eed6b78ac418 Log bpf_arp and bpf_bootp failures. Roy Marples <roy@marples.name> parents: 4010 diff changeset	1517 if (bpf_bootp(ifp, state->bpf_fd) == -1)
eed6b78ac418 Log bpf_arp and bpf_bootp failures. Roy Marples <roy@marples.name> parents: 4010 diff changeset	1518 logerr(__func__); /* try to continue */
eed6b78ac418 Log bpf_arp and bpf_bootp failures. Roy Marples <roy@marples.name> parents: 4010 diff changeset	1519 }
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1520 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1521 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1522
5528 274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1523 static void
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1524 dhcp_closebpf(struct interface *ifp)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1525 {
4846 fa69c463f3ad privsep: Don't close BPF listeners when forked Roy Marples <roy@marples.name> parents: 4845 diff changeset	1526 struct dhcpcd_ctx *ctx = ifp->ctx;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1527 struct dhcp_state *state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1528
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1529 #ifdef PRIVSEP
5528 274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1530 if (IN_PRIVSEP_SE(ctx))
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1531 ps_bpf_closebootp(ifp);
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1532 #endif
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1533
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1534 if (state->bpf != NULL) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1535 eloop_event_delete(ctx->eloop, state->bpf->bpf_fd);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1536 bpf_close(state->bpf);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1537 state->bpf = NULL;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1538 }
5528 274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1539 }
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1540
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1541 static void
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1542 dhcp_closeinet(struct interface *ifp)
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1543 {
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1544 struct dhcpcd_ctx *ctx = ifp->ctx;
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1545 struct dhcp_state *state = D_STATE(ifp);
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1546
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1547 #ifdef PRIVSEP
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1548 if (IN_PRIVSEP_SE(ctx)) {
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1549 if (state->addr != NULL)
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1550 ps_inet_closebootp(state->addr);
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1551 }
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1552 #endif
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1553
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1554 if (state->udp_rfd != -1) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1555 eloop_event_delete(ctx->eloop, state->udp_rfd);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1556 close(state->udp_rfd);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1557 state->udp_rfd = -1;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1558 }
5528 274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1559 }
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1560
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1561 void
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1562 dhcp_close(struct interface *ifp)
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1563 {
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1564 struct dhcp_state *state = D_STATE(ifp);
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1565
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1566 if (state == NULL)
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1567 return;
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1568
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1569 dhcp_closebpf(ifp);
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	1570 dhcp_closeinet(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1571
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1572 state->interval = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1573 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1574
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1575 int
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1576 dhcp_openudp(struct in_addr *ia)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1577 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1578 int s;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1579 struct sockaddr_in sin;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1580 int n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1581
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1582 if ((s = xsocket(PF_INET, SOCK_DGRAM \| SOCK_CXNB, IPPROTO_UDP)) == -1)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1583 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1584
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1585 n = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1586 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n)) == -1)
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1587 goto errexit;
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1588 #ifdef IP_RECVIF
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1589 if (setsockopt(s, IPPROTO_IP, IP_RECVIF, &n, sizeof(n)) == -1)
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1590 goto errexit;
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1591 #else
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1592 if (setsockopt(s, IPPROTO_IP, IP_RECVPKTINFO, &n, sizeof(n)) == -1)
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1593 goto errexit;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1594 #endif
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1595 #ifdef SO_RERROR
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1596 if (setsockopt(s, SOL_SOCKET, SO_RERROR, &n, sizeof(n)) == -1)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1597 goto errexit;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1598 #endif
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1599
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1600 memset(&sin, 0, sizeof(sin));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1601 sin.sin_family = AF_INET;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1602 sin.sin_port = htons(BOOTPC);
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1603 if (ia != NULL)
0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1604 sin.sin_addr = *ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1605 if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) == -1)
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1606 goto errexit;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1607
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1608 return s;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1609
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1610 errexit:
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1611 close(s);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1612 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1613 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1614
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1615 static uint16_t
4675 5c59227c6c91 DHCP: Fix in_cksum for big endian Roy Marples <roy@marples.name> parents: 4642 diff changeset	1616 in_cksum(const void data, size_t len, uint32_t isum)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1617 {
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1618 const uint16_t *word = data;
3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1619 uint32_t sum = isum != NULL ? *isum : 0;
3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1620
3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1621 for (; len > 1; len -= sizeof(*word))
3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1622 sum += *word++;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1623
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1624 if (len == 1)
4676 d8a9fff079d6 Cast away a conversion warning with prior Roy Marples <roy@marples.name> parents: 4675 diff changeset	1625 sum += htons((uint16_t)((const uint8_t )word << 8));
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1626
3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1627 if (isum != NULL)
3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1628 *isum = sum;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1629
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1630 sum = (sum >> 16) + (sum & 0xffff);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1631 sum += (sum >> 16);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1632
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1633 return (uint16_t)~sum;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1634 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1635
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1636 static struct bootp_pkt *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1637 dhcp_makeudppacket(size_t sz, const uint8_t data, size_t length,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1638 struct in_addr source, struct in_addr dest)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1639 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1640 struct bootp_pkt *udpp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1641 struct ip *ip;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1642 struct udphdr *udp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1643
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1644 if ((udpp = calloc(1, sizeof(ip) + sizeof(udp) + length)) == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1645 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1646 ip = &udpp->ip;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1647 udp = &udpp->udp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1648
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1649 /* OK, this is important :)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1650 * We copy the data to our packet and then create a small part of the
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1651 * ip structure and an invalid ip_len (basically udp length).
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1652 * We then fill the udp structure and put the checksum
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1653 * of the whole packet into the udp checksum.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1654 * Finally we complete the ip structure and ip checksum.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1655 * If we don't do the ordering like so then the udp checksum will be
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1656 * broken, so find another way of doing it! */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1657
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1658 memcpy(&udpp->bootp, data, length);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1659
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1660 ip->ip_p = IPPROTO_UDP;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1661 ip->ip_src.s_addr = source.s_addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1662 if (dest.s_addr == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1663 ip->ip_dst.s_addr = INADDR_BROADCAST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1664 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1665 ip->ip_dst.s_addr = dest.s_addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1666
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1667 udp->uh_sport = htons(BOOTPC);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1668 udp->uh_dport = htons(BOOTPS);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1669 udp->uh_ulen = htons((uint16_t)(sizeof(*udp) + length));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1670 ip->ip_len = udp->uh_ulen;
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1671 udp->uh_sum = in_cksum(udpp, sizeof(ip) + sizeof(udp) + length, NULL);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1672
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1673 ip->ip_v = IPVERSION;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1674 ip->ip_hl = sizeof(*ip) >> 2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1675 ip->ip_id = (uint16_t)arc4random_uniform(UINT16_MAX);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1676 ip->ip_ttl = IPDEFTTL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1677 ip->ip_len = htons((uint16_t)(sizeof(ip) + sizeof(udp) + length));
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1678 ip->ip_sum = in_cksum(ip, sizeof(*ip), NULL);
4617 fff03a5ca0b8 DHCP: If IP checksum is zero for the message, make it all ones. Roy Marples <roy@marples.name> parents: 4610 diff changeset	1679 if (ip->ip_sum == 0)
fff03a5ca0b8 DHCP: If IP checksum is zero for the message, make it all ones. Roy Marples <roy@marples.name> parents: 4610 diff changeset	1680 ip->ip_sum = 0xffff; /* RFC 768 */
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1681
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1682 sz = sizeof(ip) + sizeof(*udp) + length;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1683 return udpp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1684 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1685
4187 73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1686 static ssize_t
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1687 dhcp_sendudp(struct interface ifp, struct in_addr to, void *data, size_t len)
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1688 {
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1689 struct sockaddr_in sin = {
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1690 .sin_family = AF_INET,
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1691 .sin_addr = *to,
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1692 .sin_port = htons(BOOTPS),
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1693 #ifdef HAVE_SA_LEN
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1694 .sin_len = sizeof(sin),
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1695 #endif
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1696 };
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1697 struct udphdr udp = {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1698 .uh_sport = htons(BOOTPC),
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1699 .uh_dport = htons(BOOTPS),
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5233 diff changeset	1700 .uh_ulen = htons((uint16_t)(sizeof(udp) + len)),
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1701 };
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1702 struct iovec iov[] = {
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1703 { .iov_base = &udp, .iov_len = sizeof(udp), },
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1704 { .iov_base = data, .iov_len = len, },
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1705 };
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1706 struct msghdr msg = {
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1707 .msg_name = (void *)&sin,
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1708 .msg_namelen = sizeof(sin),
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1709 .msg_iov = iov,
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1710 .msg_iovlen = __arraycount(iov),
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1711 };
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1712 struct dhcpcd_ctx *ctx = ifp->ctx;
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1713
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1714 #ifdef PRIVSEP
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1715 if (ctx->options & DHCPCD_PRIVSEP)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1716 return ps_inet_sendbootp(ifp, &msg);
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1717 #endif
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1718 return sendmsg(ctx->udp_wfd, &msg, 0);
4187 73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1719 }
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1720
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1721 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1722 send_message(struct interface *ifp, uint8_t type,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1723 void (callback)(void ))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1724 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1725 struct dhcp_state *state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1726 struct if_options *ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1727 struct bootp *bootp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1728 struct bootp_pkt *udp;
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1729 size_t len, ulen;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1730 ssize_t r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1731 struct in_addr from, to;
4932 8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	1732 unsigned int RT;
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1733
4940 a0d2d9dd08f3 DHCP: Fix a bogus gcc warning Roy Marples <roy@marples.name> parents: 4932 diff changeset	1734 if (callback == NULL) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1735 /* No carrier? Don't bother sending the packet. */
5499 6a2da5651841 dhcpcd: Simplify the link handling even more Roy Marples <roy@marples.name> parents: 5497 diff changeset	1736 if (!if_is_link_up(ifp))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1737 return;
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1738 logdebugx("%s: sending %s with xid 0x%x",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1739 ifp->name,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1740 ifo->options & DHCPCD_BOOTP ? "BOOTP" : get_dhcp_op(type),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1741 state->xid);
4940 a0d2d9dd08f3 DHCP: Fix a bogus gcc warning Roy Marples <roy@marples.name> parents: 4932 diff changeset	1742 RT = 0; /* bogus gcc warning */
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1743 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1744 if (state->interval == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1745 state->interval = 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1746 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1747 state->interval *= 2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1748 if (state->interval > 64)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1749 state->interval = 64;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1750 }
4932 8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	1751 RT = (state->interval * MSEC_PER_SEC) +
8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	1752 (arc4random_uniform(MSEC_PER_SEC * 2) - MSEC_PER_SEC);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1753 /* No carrier? Don't bother sending the packet.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1754 * However, we do need to advance the timeout. */
5499 6a2da5651841 dhcpcd: Simplify the link handling even more Roy Marples <roy@marples.name> parents: 5497 diff changeset	1755 if (!if_is_link_up(ifp))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1756 goto fail;
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1757 logdebugx("%s: sending %s (xid 0x%x), next in %0.1f seconds",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1758 ifp->name,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1759 ifo->options & DHCPCD_BOOTP ? "BOOTP" : get_dhcp_op(type),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1760 state->xid,
4932 8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	1761 (float)RT / MSEC_PER_SEC);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1762 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1763
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1764 r = make_message(&bootp, ifp, type);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1765 if (r == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1766 goto fail;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1767 len = (size_t)r;
4719 bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1768
5424 28a650d93729 DHCP: Mark the state as expired on lase lease extension Roy Marples <roy@marples.name> parents: 5299 diff changeset	1769 if (!(state->added & (STATE_FAKE \| STATE_EXPIRED)) &&
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1770 state->addr != NULL &&
0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1771 ipv4_iffindaddr(ifp, &state->lease.addr, NULL) != NULL)
4719 bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1772 from.s_addr = state->lease.addr.s_addr;
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1773 else
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1774 from.s_addr = INADDR_ANY;
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1775 if (from.s_addr != INADDR_ANY &&
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1776 state->lease.server.s_addr != INADDR_ANY)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1777 to.s_addr = state->lease.server.s_addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1778 else
4719 bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1779 to.s_addr = INADDR_BROADCAST;
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1780
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1781 /*
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1782 * If not listening on the unspecified address we can
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1783 * only receive broadcast messages via BPF.
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1784 * Sockets bound to an address cannot receive broadcast messages
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1785 * even if they are setup to send them.
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1786 * Broadcasting from UDP is only an optimisation for rebinding
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1787 * and on BSD, at least, is reliant on the subnet route being
4825 c8d76614bcd0 Spelling fixes Sascha Wildner <swildner@dragonflybsd.org> parents: 4810 diff changeset	1788 * correctly configured to receive the unicast reply.
4719 bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1789 * As such, we always broadcast and receive the reply to it via BPF.
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1790 * This also guarantees we have a DHCP server attached to the
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1791 * interface we want to configure because we can't dictate the
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1792 * interface via IP_PKTINFO unlike for IPv6.
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1793 */
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1794 if (to.s_addr != INADDR_BROADCAST) {
4187 73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1795 if (dhcp_sendudp(ifp, &to, bootp, len) != -1)
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1796 goto out;
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1797 logerr("%s: dhcp_sendudp", ifp->name);
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1798 }
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1799
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1800 if (dhcp_openbpf(ifp) == -1)
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1801 goto out;
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1802
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1803 udp = dhcp_makeudppacket(&ulen, (uint8_t *)bootp, len, from, to);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1804 if (udp == NULL) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1805 logerr("%s: dhcp_makeudppacket", ifp->name);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1806 r = 0;
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1807 #ifdef PRIVSEP
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1808 } else if (ifp->ctx->options & DHCPCD_PRIVSEP) {
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1809 r = ps_bpf_sendbootp(ifp, udp, ulen);
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1810 free(udp);
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	1811 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1812 } else {
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	1813 r = bpf_send(state->bpf, ETHERTYPE_IP, udp, ulen);
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1814 free(udp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1815 }
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1816 /* If we failed to send a raw packet this normally means
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1817 * we don't have the ability to work beneath the IP layer
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1818 * for this interface.
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1819 * As such we remove it from consideration without actually
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1820 * stopping the interface. */
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1821 if (r == -1) {
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1822 logerr("%s: bpf_send", ifp->name);
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1823 switch(errno) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1824 case ENETDOWN:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1825 case ENETRESET:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1826 case ENETUNREACH:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1827 case ENOBUFS:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1828 break;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1829 default:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1830 if (!(ifp->ctx->options & DHCPCD_TEST))
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1831 dhcp_drop(ifp, "FAIL");
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1832 eloop_timeout_delete(ifp->ctx->eloop,
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1833 NULL, ifp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1834 callback = NULL;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1835 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1836 }
4187 73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1837
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1838 out:
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1839 free(bootp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1840
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1841 fail:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1842 /* Even if we fail to send a packet we should continue as we are
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1843 * as our failure timeouts will change out codepath when needed. */
4940 a0d2d9dd08f3 DHCP: Fix a bogus gcc warning Roy Marples <roy@marples.name> parents: 4932 diff changeset	1844 if (callback != NULL)
4932 8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	1845 eloop_timeout_add_msec(ifp->ctx->eloop, RT, callback, ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1846 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1847
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1848 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1849 send_inform(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1850 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1851
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1852 send_message((struct interface *)arg, DHCP_INFORM, send_inform);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1853 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1854
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1855 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1856 send_discover(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1857 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1858
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1859 send_message((struct interface *)arg, DHCP_DISCOVER, send_discover);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1860 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1861
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1862 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1863 send_request(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1864 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1865
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1866 send_message((struct interface *)arg, DHCP_REQUEST, send_request);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1867 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1868
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1869 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1870 send_renew(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1871 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1872
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1873 send_message((struct interface *)arg, DHCP_REQUEST, send_renew);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1874 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1875
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1876 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1877 send_rebind(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1878 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1879
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1880 send_message((struct interface *)arg, DHCP_REQUEST, send_rebind);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1881 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1882
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1883 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1884 dhcp_discover(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1885 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1886 struct interface *ifp = arg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1887 struct dhcp_state *state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1888 struct if_options *ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1889
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1890 state->state = DHS_DISCOVER;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1891 dhcp_new_xid(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1892 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
5428 ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1893 if (!(state->added & STATE_EXPIRED)) {
ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1894 if (ifo->fallback)
ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1895 eloop_timeout_add_sec(ifp->ctx->eloop,
ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1896 ifo->reboot, dhcp_fallback, ifp);
5449 b8078525aa41 DHCP: Fix compile without IPv4LL Roy Marples <roy@marples.name> parents: 5429 diff changeset	1897 #ifdef IPV4LL
5428 ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1898 else if (ifo->options & DHCPCD_IPV4LL)
ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1899 eloop_timeout_add_sec(ifp->ctx->eloop,
ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1900 ifo->reboot, ipv4ll_start, ifp);
5449 b8078525aa41 DHCP: Fix compile without IPv4LL Roy Marples <roy@marples.name> parents: 5429 diff changeset	1901 #endif
5428 ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1902 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1903 if (ifo->options & DHCPCD_REQUEST)
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	1904 loginfox("%s: soliciting a DHCP lease (requesting %s)",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1905 ifp->name, inet_ntoa(ifo->req_addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1906 else
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	1907 loginfox("%s: soliciting a %s lease",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1908 ifp->name, ifo->options & DHCPCD_BOOTP ? "BOOTP" : "DHCP");
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1909 send_discover(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1910 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1911
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1912 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1913 dhcp_request(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1914 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1915 struct interface *ifp = arg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1916 struct dhcp_state *state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1917
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1918 state->state = DHS_REQUEST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1919 send_request(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1920 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1921
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1922 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1923 dhcp_expire(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1924 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1925 struct interface *ifp = arg;
5428 ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1926 struct dhcp_state *state = D_STATE(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1927
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1928 if (ifp->options->options & DHCPCD_LASTLEASE_EXTEND) {
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1929 logwarnx("%s: DHCP lease expired, extending lease", ifp->name);
5424 28a650d93729 DHCP: Mark the state as expired on lase lease extension Roy Marples <roy@marples.name> parents: 5299 diff changeset	1930 state->added \|= STATE_EXPIRED;
5428 ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1931 } else {
ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1932 logerrx("%s: DHCP lease expired", ifp->name);
ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1933 dhcp_drop(ifp, "EXPIRE");
ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1934 dhcp_unlink(ifp->ctx, state->leasefile);
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1935 }
5428 ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1936 state->interval = 0;
ab53e42710ae DHCP: When extending the lease, re-enter the DISCOVER phase. Roy Marples <roy@marples.name> parents: 5426 diff changeset	1937 dhcp_discover(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1938 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1939
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	1940 #if defined(ARP) \|\| defined(IN_IFF_DUPLICATED)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1941 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1942 dhcp_decline(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1943 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1944
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1945 send_message(ifp, DHCP_DECLINE, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1946 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1947 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1948
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1949 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1950 dhcp_startrenew(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1951 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1952 struct interface *ifp = arg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1953 struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1954 struct dhcp_lease *lease;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1955
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1956 if ((state = D_STATE(ifp)) == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1957 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1958
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1959 /* Only renew in the bound or renew states */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1960 if (state->state != DHS_BOUND &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1961 state->state != DHS_RENEW)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1962 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1963
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1964 /* Remove the timeout as the renew may have been forced. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1965 eloop_timeout_delete(ifp->ctx->eloop, dhcp_startrenew, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1966
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1967 lease = &state->lease;
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1968 logdebugx("%s: renewing lease of %s", ifp->name,
3960 42a6a3d1596e Remove custom logger and output all diagnostics via syslog(3). Roy Marples <roy@marples.name> parents: 3932 diff changeset	1969 inet_ntoa(lease->addr));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1970 state->state = DHS_RENEW;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1971 dhcp_new_xid(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1972 state->interval = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1973 send_renew(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1974 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1975
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1976 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1977 dhcp_renew(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1978 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1979
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1980 dhcp_startrenew(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1981 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1982
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1983 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1984 dhcp_rebind(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1985 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1986 struct interface *ifp = arg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1987 struct dhcp_state *state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1988 struct dhcp_lease *lease = &state->lease;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1989
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1990 logwarnx("%s: failed to renew DHCP, rebinding", ifp->name);
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1991 logdebugx("%s: expire in %"PRIu32" seconds",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1992 ifp->name, lease->leasetime - lease->rebindtime);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1993 state->state = DHS_REBIND;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1994 eloop_timeout_delete(ifp->ctx->eloop, send_renew, ifp);
4188 23ff91710a01 dhcp: Don't set ciaddr or unicast if the address we have is faked. Roy Marples <roy@marples.name> parents: 4187 diff changeset	1995 state->lease.server.s_addr = INADDR_ANY;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1996 state->interval = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1997 ifp->options->options &= ~(DHCPCD_CSR_WARNED \|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1998 DHCPCD_ROUTER_HOST_ROUTE_WARNED);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1999 send_rebind(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2000 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2001
4584 978e3fbbec6c Fix compile on Linux without ARPING Roy Marples <roy@marples.name> parents: 4581 diff changeset	2002 #if defined(ARP) \|\| defined(IN_IFF_DUPLICATED)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2003 static void
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2004 dhcp_finish_dad(struct interface ifp, struct in_addr ia)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2005 {
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2006 struct dhcp_state *state = D_STATE(ifp);
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2007
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2008 if (state->state != DHS_PROBE)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2009 return;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2010 if (state->offer == NULL \|\| state->offer->yiaddr != ia->s_addr)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2011 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2012
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2013 logdebugx("%s: DAD completed for %s", ifp->name, inet_ntoa(*ia));
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2014 if (!(ifp->options->options & DHCPCD_INFORM))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2015 dhcp_bind(ifp);
4485 9ba7f650a8f7 Merge branch 'dhcpcd-7' Roy Marples <roy@marples.name> parents: 4463 4481 diff changeset	2016 #ifndef IN_IFF_DUPLICATED
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2017 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2018 struct bootp *bootp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2019 size_t len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2020
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2021 bootp = state->new;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2022 len = state->new_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2023 state->new = state->offer;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2024 state->new_len = state->offer_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2025 get_lease(ifp, &state->lease, state->new, state->new_len);
4457 8e41e487831d Linux: Fix compile Roy Marples <roy@marples.name> parents: 4453 diff changeset	2026 ipv4_applyaddr(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2027 state->new = bootp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2028 state->new_len = len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2029 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2030 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2031
4287 2b519911f230 dhcp: Fix more fallout for builds without IPv4LL Roy Marples <roy@marples.name> parents: 4278 diff changeset	2032 #ifdef IPV4LL
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2033 /* Stop IPv4LL now we have a working DHCP address */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2034 ipv4ll_drop(ifp);
4287 2b519911f230 dhcp: Fix more fallout for builds without IPv4LL Roy Marples <roy@marples.name> parents: 4278 diff changeset	2035 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2036
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2037 if (ifp->options->options & DHCPCD_INFORM)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2038 dhcp_inform(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2039 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2040
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2041
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2042 static bool
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2043 dhcp_addr_duplicated(struct interface ifp, struct in_addr ia)
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2044 {
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2045 struct dhcp_state *state = D_STATE(ifp);
4731 f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2046 unsigned long long opts = ifp->options->options;
f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2047 struct dhcpcd_ctx *ctx = ifp->ctx;
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2048 bool deleted = false;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2049 #ifdef IN_IFF_DUPLICATED
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2050 struct ipv4_addr *iap;
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2051 #endif
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2052
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2053 if ((state->offer == NULL \|\| state->offer->yiaddr != ia->s_addr) &&
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2054 !IN_ARE_ADDR_EQUAL(ia, &state->lease.addr))
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2055 return deleted;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2056
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2057 /* RFC 2131 3.1.5, Client-server interaction */
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2058 logerrx("%s: DAD detected %s", ifp->name, inet_ntoa(*ia));
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	2059 dhcp_unlink(ifp->ctx, state->leasefile);
4731 f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2060 if (!(opts & DHCPCD_STATIC) && !state->lease.frominfo)
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2061 dhcp_decline(ifp);
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2062 #ifdef IN_IFF_DUPLICATED
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2063 if ((iap = ipv4_iffindaddr(ifp, ia, NULL)) != NULL) {
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2064 ipv4_deladdr(iap, 0);
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2065 deleted = true;
65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2066 }
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2067 #endif
4731 f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2068 eloop_timeout_delete(ctx->eloop, NULL, ifp);
f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2069 if (opts & (DHCPCD_STATIC \| DHCPCD_INFORM)) {
f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2070 state->reason = "EXPIRE";
f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2071 script_runreason(ifp, state->reason);
4738 f85dad8813de DHCP: Don't exit on static DaD failure if master or using IPv6. Roy Marples <roy@marples.name> parents: 4737 diff changeset	2072 #define NOT_ONLY_SELF (DHCPCD_MASTER \| DHCPCD_IPV6RS \| DHCPCD_DHCP6)
f85dad8813de DHCP: Don't exit on static DaD failure if master or using IPv6. Roy Marples <roy@marples.name> parents: 4737 diff changeset	2073 if (!(ctx->options & NOT_ONLY_SELF))
4731 f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2074 eloop_exit(ifp->ctx->eloop, EXIT_FAILURE);
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2075 return deleted;
4731 f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2076 }
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2077 eloop_timeout_add_sec(ifp->ctx->eloop,
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2078 DHCP_RAND_MAX, dhcp_discover, ifp);
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2079 return deleted;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2080 }
4584 978e3fbbec6c Fix compile on Linux without ARPING Roy Marples <roy@marples.name> parents: 4581 diff changeset	2081 #endif
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2082
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2083 #ifdef ARP
5232 d09c879cc4d5 Fix compile for prior on NetBSD Roy Marples <roy@marples.name> parents: 5231 diff changeset	2084 #ifdef KERNEL_RFC5227
5530 226b850d158d Fix compile without various defines Roy Marples <roy@marples.name> parents: 5529 diff changeset	2085 #ifdef ARPING
5232 d09c879cc4d5 Fix compile for prior on NetBSD Roy Marples <roy@marples.name> parents: 5231 diff changeset	2086 static void
d09c879cc4d5 Fix compile for prior on NetBSD Roy Marples <roy@marples.name> parents: 5231 diff changeset	2087 dhcp_arp_announced(struct arp_state *state)
d09c879cc4d5 Fix compile for prior on NetBSD Roy Marples <roy@marples.name> parents: 5231 diff changeset	2088 {
d09c879cc4d5 Fix compile for prior on NetBSD Roy Marples <roy@marples.name> parents: 5231 diff changeset	2089
d09c879cc4d5 Fix compile for prior on NetBSD Roy Marples <roy@marples.name> parents: 5231 diff changeset	2090 arp_free(state);
d09c879cc4d5 Fix compile for prior on NetBSD Roy Marples <roy@marples.name> parents: 5231 diff changeset	2091 }
5530 226b850d158d Fix compile without various defines Roy Marples <roy@marples.name> parents: 5529 diff changeset	2092 #endif
5232 d09c879cc4d5 Fix compile for prior on NetBSD Roy Marples <roy@marples.name> parents: 5231 diff changeset	2093 #else
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2094 static void
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2095 dhcp_arp_defend_failed(struct arp_state *astate)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2096 {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2097 struct interface *ifp = astate->iface;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2098
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2099 dhcp_drop(ifp, "EXPIRED");
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2100 dhcp_start1(ifp);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2101 }
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2102 #endif
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2103
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2104 #if !defined(KERNEL_RFC5227) \|\| defined(ARPING)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2105 static void dhcp_arp_not_found(struct arp_state *);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2106
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2107 static struct arp_state *
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2108 dhcp_arp_new(struct interface ifp, struct in_addr addr)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2109 {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2110 struct arp_state *astate;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2111
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2112 astate = arp_new(ifp, addr);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2113 if (astate == NULL)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2114 return NULL;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2115
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2116 astate->found_cb = dhcp_arp_found;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2117 astate->not_found_cb = dhcp_arp_not_found;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2118 #ifdef KERNEL_RFC5227
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2119 astate->announced_cb = dhcp_arp_announced;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2120 #else
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2121 astate->announced_cb = NULL;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2122 astate->defend_failed_cb = dhcp_arp_defend_failed;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2123 #endif
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2124 return astate;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2125 }
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2126 #endif
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2127
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2128 #ifdef ARPING
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2129 static int
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2130 dhcp_arping(struct interface *ifp)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2131 {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2132 struct dhcp_state *state;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2133 struct if_options *ifo;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2134 struct arp_state *astate;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2135 struct in_addr addr;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2136
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2137 state = D_STATE(ifp);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2138 ifo = ifp->options;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2139
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2140 if (ifo->arping_len == 0 \|\| state->arping_index > ifo->arping_len)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2141 return 0;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2142
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2143 if (state->arping_index + 1 == ifo->arping_len) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2144 state->arping_index++;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2145 dhcpcd_startinterface(ifp);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2146 return 1;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2147 }
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2148
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2149 addr.s_addr = ifo->arping[++state->arping_index];
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2150 astate = dhcp_arp_new(ifp, &addr);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2151 if (astate == NULL) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2152 logerr(__func__);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2153 return -1;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2154 }
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2155 arp_probe(astate);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2156 return 1;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2157 }
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2158 #endif
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2159
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2160 #if !defined(KERNEL_RFC5227) \|\| defined(ARPING)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2161 static void
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2162 dhcp_arp_not_found(struct arp_state *astate)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2163 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2164 struct interface *ifp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2165
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2166 ifp = astate->iface;
4581 f069d6d7f542 Fix build without ARP and/or ARPING Roy Marples <roy@marples.name> parents: 4567 diff changeset	2167 #ifdef ARPING
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2168 if (dhcp_arping(ifp) == 1) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2169 arp_free(astate);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2170 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2171 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2172 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2173
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2174 dhcp_finish_dad(ifp, &astate->addr);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2175 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2176
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2177 static void
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2178 dhcp_arp_found(struct arp_state astate, const struct arp_msg amsg)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2179 {
4457 8e41e487831d Linux: Fix compile Roy Marples <roy@marples.name> parents: 4453 diff changeset	2180 struct in_addr addr;
4581 f069d6d7f542 Fix build without ARP and/or ARPING Roy Marples <roy@marples.name> parents: 4567 diff changeset	2181 struct interface *ifp = astate->iface;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2182 #ifdef ARPING
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2183 struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2184 struct if_options *ifo;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2185
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2186 state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2187
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2188 ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2189 if (state->arping_index != -1 &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2190 state->arping_index < ifo->arping_len &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2191 amsg &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2192 amsg->sip.s_addr == ifo->arping[state->arping_index])
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2193 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2194 char buf[HWADDR_LEN * 3];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2195
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2196 hwaddr_ntoa(amsg->sha, ifp->hwlen, buf, sizeof(buf));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2197 if (dhcpcd_selectprofile(ifp, buf) == -1 &&
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2198 dhcpcd_selectprofile(ifp, inet_ntoa(amsg->sip)) == -1)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2199 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2200 /* We didn't find a profile for this
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2201 * address or hwaddr, so move to the next
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2202 * arping profile */
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2203 dhcp_arp_not_found(astate);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2204 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2205 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2206 arp_free(astate);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2207 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2208 dhcpcd_startinterface(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2209 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2210 }
4581 f069d6d7f542 Fix build without ARP and/or ARPING Roy Marples <roy@marples.name> parents: 4567 diff changeset	2211 #else
f069d6d7f542 Fix build without ARP and/or ARPING Roy Marples <roy@marples.name> parents: 4567 diff changeset	2212 UNUSED(amsg);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2213 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2214
4457 8e41e487831d Linux: Fix compile Roy Marples <roy@marples.name> parents: 4453 diff changeset	2215 addr = astate->addr;
8e41e487831d Linux: Fix compile Roy Marples <roy@marples.name> parents: 4453 diff changeset	2216 arp_free(astate);
4567 dda61c0a55f5 DHCP: On ARP duplication, ensure the interface pointer is valid Roy Marples <roy@marples.name> parents: 4562 diff changeset	2217 dhcp_addr_duplicated(ifp, &addr);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2218 }
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2219 #endif
4376 579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2220
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2221 #endif /* ARP */
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2222
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2223 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2224 dhcp_bind(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2225 {
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2226 struct dhcpcd_ctx *ctx = ifp->ctx;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2227 struct dhcp_state *state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2228 struct if_options *ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2229 struct dhcp_lease *lease = &state->lease;
4952 e77138b6ec3b DHCP: Spawn a listener in non master mode for a new lease Roy Marples <roy@marples.name> parents: 4940 diff changeset	2230 uint8_t old_state;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2231
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2232 state->reason = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2233 /* If we don't have an offer, we are re-binding a lease on preference,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2234 * normally when two interfaces have a lease matching IP addresses. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2235 if (state->offer) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2236 free(state->old);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2237 state->old = state->new;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2238 state->old_len = state->new_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2239 state->new = state->offer;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2240 state->new_len = state->offer_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2241 state->offer = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2242 state->offer_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2243 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2244 get_lease(ifp, lease, state->new, state->new_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2245 if (ifo->options & DHCPCD_STATIC) {
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2246 loginfox("%s: using static address %s/%d",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2247 ifp->name, inet_ntoa(lease->addr),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2248 inet_ntocidr(lease->mask));
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4549 diff changeset	2249 lease->leasetime = DHCP_INFINITE_LIFETIME;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2250 state->reason = "STATIC";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2251 } else if (ifo->options & DHCPCD_INFORM) {
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2252 loginfox("%s: received approval for %s",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2253 ifp->name, inet_ntoa(lease->addr));
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4549 diff changeset	2254 lease->leasetime = DHCP_INFINITE_LIFETIME;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2255 state->reason = "INFORM";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2256 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2257 if (lease->frominfo)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2258 state->reason = "TIMEOUT";
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4549 diff changeset	2259 if (lease->leasetime == DHCP_INFINITE_LIFETIME) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2260 lease->renewaltime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2261 lease->rebindtime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2262 lease->leasetime;
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2263 loginfox("%s: leased %s for infinity",
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2264 ifp->name, inet_ntoa(lease->addr));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2265 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2266 if (lease->leasetime < DHCP_MIN_LEASE) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2267 logwarnx("%s: minimum lease is %d seconds",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2268 ifp->name, DHCP_MIN_LEASE);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2269 lease->leasetime = DHCP_MIN_LEASE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2270 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2271 if (lease->rebindtime == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2272 lease->rebindtime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2273 (uint32_t)(lease->leasetime * T2);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2274 else if (lease->rebindtime >= lease->leasetime) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2275 lease->rebindtime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2276 (uint32_t)(lease->leasetime * T2);
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2277 logwarnx("%s: rebind time greater than lease "
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2278 "time, forcing to %"PRIu32" seconds",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2279 ifp->name, lease->rebindtime);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2280 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2281 if (lease->renewaltime == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2282 lease->renewaltime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2283 (uint32_t)(lease->leasetime * T1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2284 else if (lease->renewaltime > lease->rebindtime) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2285 lease->renewaltime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2286 (uint32_t)(lease->leasetime * T1);
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2287 logwarnx("%s: renewal time greater than "
746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2288 "rebind time, forcing to %"PRIu32" seconds",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2289 ifp->name, lease->renewaltime);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2290 }
5226 06575a46bbdd DHCP: always log inform when not renewing Roy Marples <roy@marples.name> parents: 5211 diff changeset	2291 if (state->state == DHS_RENEW && state->addr &&
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2292 lease->addr.s_addr == state->addr->addr.s_addr &&
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2293 !(state->added & STATE_FAKE))
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	2294 logdebugx("%s: leased %s for %"PRIu32" seconds",
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2295 ifp->name, inet_ntoa(lease->addr),
746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2296 lease->leasetime);
746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2297 else
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2298 loginfox("%s: leased %s for %"PRIu32" seconds",
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2299 ifp->name, inet_ntoa(lease->addr),
746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2300 lease->leasetime);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2301 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2302 }
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2303 if (ctx->options & DHCPCD_TEST) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2304 state->reason = "TEST";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2305 script_runreason(ifp, state->reason);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2306 eloop_exit(ctx->eloop, EXIT_SUCCESS);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2307 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2308 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2309 if (state->reason == NULL) {
5429 4729f8db7842 DHCP: reason is BOUND when recovering from an expired extended lease Roy Marples <roy@marples.name> parents: 5428 diff changeset	2310 if (state->old &&
4729f8db7842 DHCP: reason is BOUND when recovering from an expired extended lease Roy Marples <roy@marples.name> parents: 5428 diff changeset	2311 !(state->added & (STATE_FAKE \| STATE_EXPIRED)))
4729f8db7842 DHCP: reason is BOUND when recovering from an expired extended lease Roy Marples <roy@marples.name> parents: 5428 diff changeset	2312 {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2313 if (state->old->yiaddr == state->new->yiaddr &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2314 lease->server.s_addr &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2315 state->state != DHS_REBIND)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2316 state->reason = "RENEW";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2317 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2318 state->reason = "REBIND";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2319 } else if (state->state == DHS_REBOOT)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2320 state->reason = "REBOOT";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2321 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2322 state->reason = "BOUND";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2323 }
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4549 diff changeset	2324 if (lease->leasetime == DHCP_INFINITE_LIFETIME)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2325 lease->renewaltime = lease->rebindtime = lease->leasetime;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2326 else {
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2327 eloop_timeout_add_sec(ctx->eloop,
4923 4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	2328 lease->renewaltime, dhcp_startrenew, ifp);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2329 eloop_timeout_add_sec(ctx->eloop,
4923 4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	2330 lease->rebindtime, dhcp_rebind, ifp);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2331 eloop_timeout_add_sec(ctx->eloop,
4923 4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	2332 lease->leasetime, dhcp_expire, ifp);
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	2333 logdebugx("%s: renew in %"PRIu32" seconds, rebind in %"PRIu32
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2334 " seconds",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2335 ifp->name, lease->renewaltime, lease->rebindtime);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2336 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2337 state->state = DHS_BOUND;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2338 if (!state->lease.frominfo &&
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	2339 !(ifo->options & (DHCPCD_INFORM \| DHCPCD_STATIC))) {
5494 0fbde4769bbe Don't log backticks. Roy Marples <roy@marples.name> parents: 5489 diff changeset	2340 logdebugx("%s: writing lease: %s",
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	2341 ifp->name, state->leasefile);
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	2342 if (dhcp_writefile(ifp->ctx, state->leasefile, 0640,
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	2343 state->new, state->new_len) == -1)
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	2344 logerr("dhcp_writefile: %s", state->leasefile);
84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	2345 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2346
5528 274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	2347 old_state = state->added;
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	2348
4681 c0b19aa0ee47 DHCP: Don't listen on the unspecified address when not in master mode Roy Marples <roy@marples.name> parents: 4677 diff changeset	2349 /* Close the BPF filter as we can now receive DHCP messages
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2350 * on a UDP socket. */
5528 274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	2351 dhcp_closebpf(ifp);
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	2352
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	2353 /* Add the address */
4833 aadc0d25a706 DHCP: Require unspecificed BOOTP port for master mode Roy Marples <roy@marples.name> parents: 4829 diff changeset	2354 ipv4_applyaddr(ifp);
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	2355
4792 ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2356 /* If not in master mode, open an address specific socket. */
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	2357 if (ctx->options & DHCPCD_MASTER \|\|
4952 e77138b6ec3b DHCP: Spawn a listener in non master mode for a new lease Roy Marples <roy@marples.name> parents: 4940 diff changeset	2358 (state->old != NULL &&
5528 274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	2359 state->old->yiaddr == state->new->yiaddr &&
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	2360 old_state & STATE_ADDED && !(old_state & STATE_FAKE)))
4792 ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2361 return;
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	2362
5528 274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	2363 dhcp_closeinet(ifp);
274d31419935 privsep: don't leave a BOOTP process hanging around on SIGUSR1 Roy Marples <roy@marples.name> parents: 5524 diff changeset	2364
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	2365 #ifdef PRIVSEP
4868 119c8986dfc8 privsep: Enable ARP BPF filtering for interesting addresses Roy Marples <roy@marples.name> parents: 4866 diff changeset	2366 if (IN_PRIVSEP_SE(ctx)) {
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	2367 if (ps_inet_openbootp(state->addr) == -1)
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	2368 logerr(__func__);
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	2369 return;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	2370 }
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	2371 #endif
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	2372
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2373 state->udp_rfd = dhcp_openudp(&state->addr->addr);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2374 if (state->udp_rfd == -1) {
4792 ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2375 logerr(__func__);
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2376 /* Address sharing without master mode is not supported.
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2377 * It's also possible another DHCP client could be running,
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2378 * which is even worse.
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2379 * We still need to work, so re-open BPF. */
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2380 dhcp_openbpf(ifp);
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2381 return;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2382 }
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	2383 eloop_event_add(ctx->eloop, state->udp_rfd, dhcp_handleifudp, ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2384 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2385
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2386 static size_t
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2387 dhcp_message_new(struct bootp **bootp,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2388 const struct in_addr addr, const struct in_addr mask)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2389 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2390 uint8_t *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2391 uint32_t cookie;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2392
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2393 if ((bootp = calloc(1, sizeof(*bootp))) == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2394 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2395
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2396 (*bootp)->yiaddr = addr->s_addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2397 p = (*bootp)->vend;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2398
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2399 cookie = htonl(MAGIC_COOKIE);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2400 memcpy(p, &cookie, sizeof(cookie));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2401 p += sizeof(cookie);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2402
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2403 if (mask->s_addr != INADDR_ANY) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2404 *p++ = DHO_SUBNETMASK;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2405 *p++ = sizeof(mask->s_addr);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2406 memcpy(p, &mask->s_addr, sizeof(mask->s_addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2407 p+= sizeof(mask->s_addr);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2408 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2409
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2410 *p = DHO_END;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2411 return sizeof(**bootp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2412 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2413
4587 02c41622154f NetBSD: Allow dhcpcd to be built without ARP support Roy Marples <roy@marples.name> parents: 4585 diff changeset	2414 #if defined(ARP) \|\| defined(KERNEL_RFC5227)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2415 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2416 dhcp_arp_address(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2417 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2418 struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2419 struct in_addr addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2420 struct ipv4_addr *ia;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2421
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2422 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2423
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2424 state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2425 addr.s_addr = state->offer->yiaddr == INADDR_ANY ?
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2426 state->offer->ciaddr : state->offer->yiaddr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2427 /* If the interface already has the address configured
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2428 * then we can't ARP for duplicate detection. */
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2429 ia = ipv4_iffindaddr(ifp, &addr, NULL);
4481 7848309c100c sun: Don't define IN_IFF_TENTATIVE or IN_IFF_DETACHED Roy Marples <roy@marples.name> parents: 4459 diff changeset	2430 #ifdef IN_IFF_NOTUSEABLE
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2431 if (ia == NULL \|\| ia->addr_flags & IN_IFF_NOTUSEABLE) {
4191 30f5f070a4aa dhcp: set probe state only when probing. Roy Marples <roy@marples.name> parents: 4188 diff changeset	2432 state->state = DHS_PROBE;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2433 if (ia == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2434 struct dhcp_lease l;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2435
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2436 get_lease(ifp, &l, state->offer, state->offer_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2437 /* Add the address now, let the kernel handle DAD. */
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4549 diff changeset	2438 ipv4_addaddr(ifp, &l.addr, &l.mask, &l.brd,
4562 559c1ce40f54 Use rebindtime rather than renewaltime. Roy Marples <roy@marples.name> parents: 4561 diff changeset	2439 l.leasetime, l.rebindtime);
4731 f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2440 } else if (ia->addr_flags & IN_IFF_DUPLICATED)
f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2441 dhcp_addr_duplicated(ifp, &ia->addr);
f421b59ced72 DHCP: Don't start DHCP if we fail DAD for static or informed addrs Roy Marples <roy@marples.name> parents: 4726 diff changeset	2442 else
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2443 loginfox("%s: waiting for DAD on %s",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2444 ifp->name, inet_ntoa(addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2445 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2446 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2447 #else
4630 fe510f5ee194 ARP: Respect IFF_NOARP interface flag more Roy Marples <roy@marples.name> parents: 4617 diff changeset	2448 if (!(ifp->flags & IFF_NOARP) &&
5002 d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2449 ifp->options->options & DHCPCD_ARP)
4630 fe510f5ee194 ARP: Respect IFF_NOARP interface flag more Roy Marples <roy@marples.name> parents: 4617 diff changeset	2450 {
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2451 struct arp_state *astate;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2452 struct dhcp_lease l;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2453
5002 d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2454 /* Even if the address exists, we need to defend it. */
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2455 astate = dhcp_arp_new(ifp, &addr);
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2456 if (astate == NULL)
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2457 return -1;
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2458
5002 d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2459 if (ia == NULL) {
d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2460 state->state = DHS_PROBE;
d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2461 get_lease(ifp, &l, state->offer, state->offer_len);
d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2462 loginfox("%s: probing address %s/%d",
d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2463 ifp->name, inet_ntoa(l.addr), inet_ntocidr(l.mask));
d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2464 /* We need to handle DAD. */
d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2465 arp_probe(astate);
d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2466 return 0;
d3925b512c41 DHCP: Defend already configured static addresses Roy Marples <roy@marples.name> parents: 4999 diff changeset	2467 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2468 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2469 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2470
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2471 return 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2472 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2473
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2474 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2475 dhcp_arp_bind(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2476 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2477
4425 7cd9fb2bbbe3 DHCP: Dont really add static address in test mode Roy Marples <roy@marples.name> parents: 4377 diff changeset	2478 if (ifp->ctx->options & DHCPCD_TEST \|\|
7cd9fb2bbbe3 DHCP: Dont really add static address in test mode Roy Marples <roy@marples.name> parents: 4377 diff changeset	2479 dhcp_arp_address(ifp) == 1)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2480 dhcp_bind(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2481 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2482 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2483
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2484 static void
5426 edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2485 dhcp_lastlease(void *arg)
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2486 {
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2487 struct interface *ifp = arg;
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2488 struct dhcp_state *state = D_STATE(ifp);
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2489
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2490 loginfox("%s: timed out contacting a DHCP server, using last lease",
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2491 ifp->name);
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2492 #if defined(ARP) \|\| defined(KERNEL_RFC5227)
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2493 dhcp_arp_bind(ifp);
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2494 #else
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2495 dhcp_bind(ifp);
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2496 #endif
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2497 /* Set expired here because dhcp_bind() -> ipv4_addaddr() will reset
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2498 * state */
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2499 state->added \|= STATE_EXPIRED;
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2500 state->interval = 0;
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2501 dhcp_discover(ifp);
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2502 }
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2503
edcbeacf2225 DHCP: Request offered IP when using lastlease Roy Marples <roy@marples.name> parents: 5424 diff changeset	2504 static void
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2505 dhcp_static(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2506 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2507 struct if_options *ifo;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2508 struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2509 struct ipv4_addr *ia;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2510
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2511 state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2512 ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2513
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2514 ia = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2515 if (ifo->req_addr.s_addr == INADDR_ANY &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2516 (ia = ipv4_iffindaddr(ifp, NULL, NULL)) == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2517 {
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2518 loginfox("%s: waiting for 3rd party to "
3960 42a6a3d1596e Remove custom logger and output all diagnostics via syslog(3). Roy Marples <roy@marples.name> parents: 3932 diff changeset	2519 "configure IP address", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2520 state->reason = "3RDPARTY";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2521 script_runreason(ifp, state->reason);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2522 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2523 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2524
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2525 state->offer_len = dhcp_message_new(&state->offer,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2526 ia ? &ia->addr : &ifo->req_addr,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2527 ia ? &ia->mask : &ifo->req_mask);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2528 if (state->offer_len)
4587 02c41622154f NetBSD: Allow dhcpcd to be built without ARP support Roy Marples <roy@marples.name> parents: 4585 diff changeset	2529 #if defined(ARP) \|\| defined(KERNEL_RFC5227)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2530 dhcp_arp_bind(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2531 #else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2532 dhcp_bind(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2533 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2534 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2535
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2536 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2537 dhcp_inform(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2538 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2539 struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2540 struct if_options *ifo;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2541 struct ipv4_addr *ia;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2542
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2543 state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2544 ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2545
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2546 state->state = DHS_INFORM;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2547 free(state->offer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2548 state->offer = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2549 state->offer_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2550
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2551 if (ifo->req_addr.s_addr == INADDR_ANY) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2552 ia = ipv4_iffindaddr(ifp, NULL, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2553 if (ia == NULL) {
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2554 loginfox("%s: waiting for 3rd party to "
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2555 "configure IP address",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2556 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2557 if (!(ifp->ctx->options & DHCPCD_TEST)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2558 state->reason = "3RDPARTY";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2559 script_runreason(ifp, state->reason);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2560 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2561 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2562 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2563 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2564 ia = ipv4_iffindaddr(ifp, &ifo->req_addr, &ifo->req_mask);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2565 if (ia == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2566 if (ifp->ctx->options & DHCPCD_TEST) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2567 logerrx("%s: cannot add IP address in test mode",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2568 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2569 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2570 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2571 ia = ipv4_iffindaddr(ifp, &ifo->req_addr, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2572 if (ia != NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2573 /* Netmask must be different, delete it. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2574 ipv4_deladdr(ia, 1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2575 state->offer_len = dhcp_message_new(&state->offer,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2576 &ifo->req_addr, &ifo->req_mask);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2577 #ifdef ARP
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	2578 if (dhcp_arp_address(ifp) != 1)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2579 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2580 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2581 ia = ipv4_iffindaddr(ifp,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2582 &ifo->req_addr, &ifo->req_mask);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2583 assert(ia != NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2584 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2585 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2586
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2587 state->addr = ia;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2588 state->offer_len = dhcp_message_new(&state->offer,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2589 &ia->addr, &ia->mask);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2590 if (state->offer_len) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2591 dhcp_new_xid(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2592 get_lease(ifp, &state->lease, state->offer, state->offer_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2593 send_inform(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2594 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2595 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2596
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2597 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2598 dhcp_reboot_newopts(struct interface *ifp, unsigned long long oldopts)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2599 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2600 struct if_options *ifo;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2601 struct dhcp_state *state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2602
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2603 if (state == NULL \|\| state->state == DHS_NONE)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2604 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2605 ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2606 if ((ifo->options & (DHCPCD_INFORM \| DHCPCD_STATIC) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2607 (state->addr == NULL \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2608 state->addr->addr.s_addr != ifo->req_addr.s_addr)) \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2609 (oldopts & (DHCPCD_INFORM \| DHCPCD_STATIC) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2610 !(ifo->options & (DHCPCD_INFORM \| DHCPCD_STATIC))))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2611 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2612 dhcp_drop(ifp, "EXPIRE");
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2613 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2614 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2615
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2616 #ifdef ARP
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2617 static int
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2618 dhcp_activeaddr(const struct interface ifp, const struct in_addr addr)
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2619 {
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2620 const struct interface *ifp1;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2621 const struct dhcp_state *state;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2622
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2623 TAILQ_FOREACH(ifp1, ifp->ctx->ifaces, next) {
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2624 if (ifp1 == ifp)
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2625 continue;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2626 if ((state = D_CSTATE(ifp1)) == NULL)
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2627 continue;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2628 switch(state->state) {
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2629 case DHS_REBOOT:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2630 case DHS_RENEW:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2631 case DHS_REBIND:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2632 case DHS_BOUND:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2633 case DHS_INFORM:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2634 break;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2635 default:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2636 continue;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2637 }
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2638 if (state->lease.addr.s_addr == addr->s_addr)
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2639 return 1;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2640 }
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2641 return 0;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2642 }
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2643 #endif
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2644
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2645 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2646 dhcp_reboot(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2647 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2648 struct if_options *ifo;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2649 struct dhcp_state *state = D_STATE(ifp);
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2650 #ifdef ARP
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2651 struct ipv4_addr *ia;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2652 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2653
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2654 if (state == NULL \|\| state->state == DHS_NONE)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2655 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2656 ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2657 state->state = DHS_REBOOT;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2658 state->interval = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2659
5499 6a2da5651841 dhcpcd: Simplify the link handling even more Roy Marples <roy@marples.name> parents: 5497 diff changeset	2660 if (ifo->options & DHCPCD_LINK && !if_is_link_up(ifp)) {
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2661 loginfox("%s: waiting for carrier", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2662 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2663 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2664 if (ifo->options & DHCPCD_STATIC) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2665 dhcp_static(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2666 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2667 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2668 if (ifo->options & DHCPCD_INFORM) {
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2669 loginfox("%s: informing address of %s",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2670 ifp->name, inet_ntoa(state->lease.addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2671 dhcp_inform(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2672 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2673 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2674 if (ifo->reboot == 0 \|\| state->offer == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2675 dhcp_discover(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2676 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2677 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2678 if (!IS_DHCP(state->offer))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2679 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2680
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2681 loginfox("%s: rebinding lease of %s",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2682 ifp->name, inet_ntoa(state->lease.addr));
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2683
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2684 #ifdef ARP
4810 88ffa4a9431f DHCP: When rebinding ensure we have a DHCP ARP state Roy Marples <roy@marples.name> parents: 4792 diff changeset	2685 #ifndef KERNEL_RFC5227
88ffa4a9431f DHCP: When rebinding ensure we have a DHCP ARP state Roy Marples <roy@marples.name> parents: 4792 diff changeset	2686 /* Create the DHCP ARP state so we can defend it. */
88ffa4a9431f DHCP: When rebinding ensure we have a DHCP ARP state Roy Marples <roy@marples.name> parents: 4792 diff changeset	2687 (void)dhcp_arp_new(ifp, &state->lease.addr);
88ffa4a9431f DHCP: When rebinding ensure we have a DHCP ARP state Roy Marples <roy@marples.name> parents: 4792 diff changeset	2688 #endif
88ffa4a9431f DHCP: When rebinding ensure we have a DHCP ARP state Roy Marples <roy@marples.name> parents: 4792 diff changeset	2689
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2690 /* If the address exists on the interface and no other interface
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2691 * is currently using it then announce it to ensure this
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2692 * interface gets the reply. */
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2693 ia = ipv4_iffindaddr(ifp, &state->lease.addr, NULL);
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2694 if (ia != NULL &&
4332 8777d91277fc dhcp: Don't ARP announce bound addresses when testing Roy Marples <roy@marples.name> parents: 4299 diff changeset	2695 !(ifp->ctx->options & DHCPCD_TEST) &&
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2696 #ifdef IN_IFF_NOTUSEABLE
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2697 !(ia->addr_flags & IN_IFF_NOTUSEABLE) &&
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2698 #endif
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2699 dhcp_activeaddr(ifp, &state->lease.addr) == 0)
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2700 arp_ifannounceaddr(ifp, &state->lease.addr);
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2701 #endif
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2702
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2703 dhcp_new_xid(ifp);
4188 23ff91710a01 dhcp: Don't set ciaddr or unicast if the address we have is faked. Roy Marples <roy@marples.name> parents: 4187 diff changeset	2704 state->lease.server.s_addr = INADDR_ANY;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2705 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2706
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2707 #ifdef IPV4LL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2708 /* Need to add this before dhcp_expire and friends. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2709 if (!ifo->fallback && ifo->options & DHCPCD_IPV4LL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2710 eloop_timeout_add_sec(ifp->ctx->eloop,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2711 ifo->reboot, ipv4ll_start, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2712 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2713
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2714 if (ifo->options & DHCPCD_LASTLEASE && state->lease.frominfo)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2715 eloop_timeout_add_sec(ifp->ctx->eloop,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2716 ifo->reboot, dhcp_lastlease, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2717 else if (!(ifo->options & DHCPCD_INFORM))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2718 eloop_timeout_add_sec(ifp->ctx->eloop,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2719 ifo->reboot, dhcp_expire, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2720
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2721 /* Don't bother ARP checking as the server could NAK us first.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2722 * Don't call dhcp_request as that would change the state */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2723 send_request(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2724 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2725
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2726 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2727 dhcp_drop(struct interface ifp, const char reason)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2728 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2729 struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2730 #ifdef RELEASE_SLOW
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2731 struct timespec ts;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2732 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2733
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2734 state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2735 /* dhcp_start may just have been called and we don't yet have a state
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2736 * but we do have a timeout, so punt it. */
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2737 if (state == NULL \|\| state->state == DHS_NONE) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2738 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2739 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2740 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2741
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2742 #ifdef ARP
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2743 if (state->addr != NULL)
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2744 arp_freeaddr(ifp, &state->addr->addr);
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2745 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2746 #ifdef ARPING
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2747 state->arping_index = -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2748 #endif
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2749
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2750 if (ifp->options->options & DHCPCD_RELEASE &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2751 !(ifp->options->options & DHCPCD_INFORM))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2752 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2753 /* Failure to send the release may cause this function to
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2754 * re-enter so guard by setting the state. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2755 if (state->state == DHS_RELEASE)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2756 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2757 state->state = DHS_RELEASE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2758
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	2759 dhcp_unlink(ifp->ctx, state->leasefile);
5499 6a2da5651841 dhcpcd: Simplify the link handling even more Roy Marples <roy@marples.name> parents: 5497 diff changeset	2760 if (if_is_link_up(ifp) &&
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2761 state->new != NULL &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2762 state->lease.server.s_addr != INADDR_ANY)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2763 {
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2764 loginfox("%s: releasing lease of %s",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2765 ifp->name, inet_ntoa(state->lease.addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2766 dhcp_new_xid(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2767 send_message(ifp, DHCP_RELEASE, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2768 #ifdef RELEASE_SLOW
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2769 /* Give the packet a chance to go */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2770 ts.tv_sec = RELEASE_DELAY_S;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2771 ts.tv_nsec = RELEASE_DELAY_NS;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2772 nanosleep(&ts, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2773 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2774 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2775 }
5294 942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2776 #ifdef AUTH
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2777 else if (state->auth.reconf != NULL) {
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2778 /*
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2779 * Drop the lease as the token may only be present
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2780 * in the initial reply message and not subsequent
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2781 * renewals.
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2782 * If dhcpcd is restarted, the token is lost.
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2783 * XXX persist this in another file?
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2784 */
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2785 dhcp_unlink(ifp->ctx, state->leasefile);
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2786 }
942ddb46cd55 auth: Only accept RECONFIGURE messages from LL hosts Roy Marples <roy@marples.name> parents: 5288 diff changeset	2787 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2788
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2789 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2790 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2791 dhcp_auth_reset(&state->auth);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2792 #endif
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2793
5176 9f2e260a7369 DHCP: Close sockets on carrier down Roy Marples <roy@marples.name> parents: 5166 diff changeset	2794 /* Close DHCP ports so a changed interface family is picked
9f2e260a7369 DHCP: Close sockets on carrier down Roy Marples <roy@marples.name> parents: 5166 diff changeset	2795 * up by a new BPF state. */
9f2e260a7369 DHCP: Close sockets on carrier down Roy Marples <roy@marples.name> parents: 5166 diff changeset	2796 dhcp_close(ifp);
9f2e260a7369 DHCP: Close sockets on carrier down Roy Marples <roy@marples.name> parents: 5166 diff changeset	2797
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2798 state->state = DHS_NONE;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2799 free(state->offer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2800 state->offer = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2801 state->offer_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2802 free(state->old);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2803 state->old = state->new;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2804 state->old_len = state->new_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2805 state->new = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2806 state->new_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2807 state->reason = reason;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2808 ipv4_applyaddr(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2809 free(state->old);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2810 state->old = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2811 state->old_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2812 state->lease.addr.s_addr = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2813 ifp->options->options &= ~(DHCPCD_CSR_WARNED \|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2814 DHCPCD_ROUTER_HOST_ROUTE_WARNED);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2815 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2816
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2817 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2818 blacklisted_ip(const struct if_options *ifo, in_addr_t addr)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2819 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2820 size_t i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2821
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2822 for (i = 0; i < ifo->blacklist_len; i += 2)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2823 if (ifo->blacklist[i] == (addr & ifo->blacklist[i + 1]))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2824 return 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2825 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2826 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2827
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2828 #define WHTLST_NONE 0
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2829 #define WHTLST_MATCH 1
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2830 #define WHTLST_NOMATCH 2
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2831 static unsigned int
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2832 whitelisted_ip(const struct if_options *ifo, in_addr_t addr)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2833 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2834 size_t i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2835
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2836 if (ifo->whitelist_len == 0)
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2837 return WHTLST_NONE;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2838 for (i = 0; i < ifo->whitelist_len; i += 2)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2839 if (ifo->whitelist[i] == (addr & ifo->whitelist[i + 1]))
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2840 return WHTLST_MATCH;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2841 return WHTLST_NOMATCH;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2842 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2843
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2844 static void
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	2845 log_dhcp(int loglevel, const char *msg,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2846 const struct interface ifp, const struct bootp bootp, size_t bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2847 const struct in_addr *from, int ad)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2848 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2849 const char *tfrom;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2850 char a, sname[sizeof(bootp->sname) 4];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2851 struct in_addr addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2852 int r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2853 uint8_t overl;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2854
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2855 if (strcmp(msg, "NAK:") == 0) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2856 a = get_option_string(ifp->ctx, bootp, bootp_len, DHO_MESSAGE);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2857 if (a) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2858 char *tmp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2859 size_t al, tmpl;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2860
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2861 al = strlen(a);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2862 tmpl = (al * 4) + 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2863 tmp = malloc(tmpl);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2864 if (tmp == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2865 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2866 free(a);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2867 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2868 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2869 print_string(tmp, tmpl, OT_STRING, (uint8_t *)a, al);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2870 free(a);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2871 a = tmp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2872 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2873 } else if (ad && bootp->yiaddr != 0) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2874 addr.s_addr = bootp->yiaddr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2875 a = strdup(inet_ntoa(addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2876 if (a == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2877 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2878 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2879 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2880 } else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2881 a = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2882
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2883 tfrom = "from";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2884 r = get_option_addr(ifp->ctx, &addr, bootp, bootp_len, DHO_SERVERID);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2885 if (get_option_uint8(ifp->ctx, &overl, bootp, bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2886 DHO_OPTSOVERLOADED) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2887 overl = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2888 if (bootp->sname[0] && r == 0 && !(overl & 2)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2889 print_string(sname, sizeof(sname), OT_STRING \| OT_DOMAIN,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2890 bootp->sname, sizeof(bootp->sname));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2891 if (a == NULL)
5494 0fbde4769bbe Don't log backticks. Roy Marples <roy@marples.name> parents: 5489 diff changeset	2892 logmessage(loglevel, "%s: %s %s %s %s",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2893 ifp->name, msg, tfrom, inet_ntoa(addr), sname);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2894 else
5494 0fbde4769bbe Don't log backticks. Roy Marples <roy@marples.name> parents: 5489 diff changeset	2895 logmessage(loglevel, "%s: %s %s %s %s %s",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2896 ifp->name, msg, a, tfrom, inet_ntoa(addr), sname);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2897 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2898 if (r != 0) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2899 tfrom = "via";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2900 addr = *from;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2901 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2902 if (a == NULL)
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	2903 logmessage(loglevel, "%s: %s %s %s",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2904 ifp->name, msg, tfrom, inet_ntoa(addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2905 else
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	2906 logmessage(loglevel, "%s: %s %s %s %s",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2907 ifp->name, msg, a, tfrom, inet_ntoa(addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2908 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2909 free(a);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2910 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2911
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2912 /* If we're sharing the same IP address with another interface on the
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2913 * same network, we may receive the DHCP reply on the wrong interface.
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2914 * Try and re-direct it here. */
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2915 static void
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2916 dhcp_redirect_dhcp(struct interface ifp, struct bootp bootp, size_t bootp_len,
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2917 const struct in_addr *from)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2918 {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2919 struct interface *ifn;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2920 const struct dhcp_state *state;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2921 uint32_t xid;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2922
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2923 xid = ntohl(bootp->xid);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2924 TAILQ_FOREACH(ifn, ifp->ctx->ifaces, next) {
5009 0f76dcb791a4 DHCP: redirect message to other interfaces if received for inactive Roy Marples <roy@marples.name> parents: 5002 diff changeset	2925 if (ifn == ifp)
0f76dcb791a4 DHCP: redirect message to other interfaces if received for inactive Roy Marples <roy@marples.name> parents: 5002 diff changeset	2926 continue;
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2927 state = D_CSTATE(ifn);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2928 if (state == NULL \|\| state->state == DHS_NONE)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2929 continue;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2930 if (state->xid != xid)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2931 continue;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2932 if (ifn->hwlen <= sizeof(bootp->chaddr) &&
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2933 memcmp(bootp->chaddr, ifn->hwaddr, ifn->hwlen))
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2934 continue;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2935 logdebugx("%s: redirecting DHCP message to %s",
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2936 ifp->name, ifn->name);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2937 dhcp_handledhcp(ifn, bootp, bootp_len, from);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2938 }
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2939 }
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2940
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2941 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2942 dhcp_handledhcp(struct interface ifp, struct bootp bootp, size_t bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2943 const struct in_addr *from)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2944 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2945 struct dhcp_state *state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2946 struct if_options *ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2947 struct dhcp_lease *lease = &state->lease;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2948 uint8_t type, tmp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2949 struct in_addr addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2950 unsigned int i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2951 char *msg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2952 bool bootp_copied;
5524 8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	2953 uint32_t v6only_time = 0;
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	2954 bool use_v6only = false;
3989 b05654495fd8 If auth is disabled, then disable FORCERENEW and RECONFIGURE_ACCEPT Roy Marples <roy@marples.name> parents: 3970 diff changeset	2955 #ifdef AUTH
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2956 const uint8_t *auth;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2957 size_t auth_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2958 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2959 #ifdef IN_IFF_DUPLICATED
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2960 struct ipv4_addr *ia;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2961 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2962
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2963 #define LOGDHCP0(l, m) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2964 log_dhcp((l), (m), ifp, bootp, bootp_len, from, 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2965 #define LOGDHCP(l, m) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2966 log_dhcp((l), (m), ifp, bootp, bootp_len, from, 1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2967
4736 4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2968 #define IS_STATE_ACTIVE(s) ((s)-state != DHS_NONE && \
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2969 (s)->state != DHS_INIT && (s)->state != DHS_BOUND)
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2970
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2971 if (bootp->op != BOOTREPLY) {
4736 4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2972 if (IS_STATE_ACTIVE(state))
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2973 logdebugx("%s: op (%d) is not BOOTREPLY",
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2974 ifp->name, bootp->op);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2975 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2976 }
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2977
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2978 if (state->xid != ntohl(bootp->xid)) {
4736 4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2979 if (IS_STATE_ACTIVE(state))
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2980 logdebugx("%s: wrong xid 0x%x (expecting 0x%x) from %s",
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2981 ifp->name, ntohl(bootp->xid), state->xid,
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2982 inet_ntoa(*from));
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2983 dhcp_redirect_dhcp(ifp, bootp, bootp_len, from);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2984 return;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2985 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2986
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2987 if (ifp->hwlen <= sizeof(bootp->chaddr) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2988 memcmp(bootp->chaddr, ifp->hwaddr, ifp->hwlen))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2989 {
4736 4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2990 if (IS_STATE_ACTIVE(state)) {
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2991 char buf[sizeof(bootp->chaddr) * 3];
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2992
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2993 logdebugx("%s: xid 0x%x is for hwaddr %s",
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2994 ifp->name, ntohl(bootp->xid),
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2995 hwaddr_ntoa(bootp->chaddr, sizeof(bootp->chaddr),
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2996 buf, sizeof(buf)));
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2997 }
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2998 dhcp_redirect_dhcp(ifp, bootp, bootp_len, from);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2999 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3000 }
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3001
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3002 if (!ifp->active)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3003 return;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3004
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3005 i = whitelisted_ip(ifp->options, from->s_addr);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3006 switch (i) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3007 case WHTLST_NOMATCH:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3008 logwarnx("%s: non whitelisted DHCP packet from %s",
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3009 ifp->name, inet_ntoa(*from));
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3010 return;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3011 case WHTLST_MATCH:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3012 break;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3013 case WHTLST_NONE:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3014 if (blacklisted_ip(ifp->options, from->s_addr) == 1) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3015 logwarnx("%s: blacklisted DHCP packet from %s",
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3016 ifp->name, inet_ntoa(*from));
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3017 return;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3018 }
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3019 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3020
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3021 /* We may have found a BOOTP server */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3022 if (get_option_uint8(ifp->ctx, &type,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3023 bootp, bootp_len, DHO_MESSAGETYPE) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3024 type = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3025 else if (ifo->options & DHCPCD_BOOTP) {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	3026 logdebugx("%s: ignoring DHCP reply (expecting BOOTP)",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3027 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3028 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3029 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3030
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3031 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3032 /* Authenticate the message */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3033 auth = get_option(ifp->ctx, bootp, bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3034 DHO_AUTHENTICATION, &auth_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3035 if (auth) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3036 if (dhcp_auth_validate(&state->auth, &ifo->auth,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3037 (uint8_t *)bootp, bootp_len, 4, type,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3038 auth, auth_len) == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3039 {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3040 LOGDHCP0(LOG_ERR, "authentication failed");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3041 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3042 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3043 if (state->auth.token)
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	3044 logdebugx("%s: validated using 0x%08" PRIu32,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3045 ifp->name, state->auth.token->secretid);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3046 else
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	3047 loginfox("%s: accepted reconfigure key", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3048 } else if (ifo->auth.options & DHCPCD_AUTH_SEND) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3049 if (ifo->auth.options & DHCPCD_AUTH_REQUIRE) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3050 LOGDHCP0(LOG_ERR, "no authentication");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3051 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3052 }
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3053 LOGDHCP0(LOG_WARNING, "no authentication");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3054 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3055 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3056
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3057 /* RFC 3203 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3058 if (type == DHCP_FORCERENEW) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3059 if (from->s_addr == INADDR_ANY \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3060 from->s_addr == INADDR_BROADCAST)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3061 {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3062 LOGDHCP(LOG_ERR, "discarding Force Renew");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3063 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3064 }
3989 b05654495fd8 If auth is disabled, then disable FORCERENEW and RECONFIGURE_ACCEPT Roy Marples <roy@marples.name> parents: 3970 diff changeset	3065 #ifdef AUTH
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3066 if (auth == NULL) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3067 LOGDHCP(LOG_ERR, "unauthenticated Force Renew");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3068 if (ifo->auth.options & DHCPCD_AUTH_REQUIRE)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3069 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3070 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3071 if (state->state != DHS_BOUND && state->state != DHS_INFORM) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3072 LOGDHCP(LOG_DEBUG, "not bound, ignoring Force Renew");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3073 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3074 }
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3075 LOGDHCP(LOG_INFO, "Force Renew from");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3076 /* The rebind and expire timings are still the same, we just
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3077 * enter the renew state early */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3078 if (state->state == DHS_BOUND)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3079 dhcp_renew(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3080 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3081 eloop_timeout_delete(ifp->ctx->eloop,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3082 send_inform, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3083 dhcp_inform(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3084 }
3989 b05654495fd8 If auth is disabled, then disable FORCERENEW and RECONFIGURE_ACCEPT Roy Marples <roy@marples.name> parents: 3970 diff changeset	3085 #else
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3086 LOGDHCP(LOG_ERR, "unauthenticated Force Renew");
3989 b05654495fd8 If auth is disabled, then disable FORCERENEW and RECONFIGURE_ACCEPT Roy Marples <roy@marples.name> parents: 3970 diff changeset	3087 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3088 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3089 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3090
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3091 if (state->state == DHS_BOUND) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3092 LOGDHCP(LOG_DEBUG, "bound, ignoring");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3093 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3094 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3095
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3096 if (state->state == DHS_PROBE) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3097 /* Ignore any DHCP messages whilst probing a lease to bind. */
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3098 LOGDHCP(LOG_DEBUG, "probing, ignoring");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3099 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3100 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3101
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3102 /* reset the message counter */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3103 state->interval = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3104
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3105 /* Ensure that no reject options are present */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3106 for (i = 1; i < 255; i++) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3107 if (has_option_mask(ifo->rejectmask, i) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3108 get_option_uint8(ifp->ctx, &tmp,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3109 bootp, bootp_len, (uint8_t)i) == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3110 {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3111 LOGDHCP(LOG_WARNING, "reject DHCP");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3112 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3113 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3114 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3115
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3116 if (type == DHCP_NAK) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3117 /* For NAK, only check if we require the ServerID */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3118 if (has_option_mask(ifo->requiremask, DHO_SERVERID) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3119 get_option_addr(ifp->ctx, &addr,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3120 bootp, bootp_len, DHO_SERVERID) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3121 {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3122 LOGDHCP(LOG_WARNING, "reject NAK");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3123 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3124 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3125
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3126 /* We should restart on a NAK */
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3127 LOGDHCP(LOG_WARNING, "NAK:");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3128 if ((msg = get_option_string(ifp->ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3129 bootp, bootp_len, DHO_MESSAGE)))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3130 {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3131 logwarnx("%s: message: %s", ifp->name, msg);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3132 free(msg);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3133 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3134 if (state->state == DHS_INFORM) /* INFORM should not be NAKed */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3135 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3136 if (!(ifp->ctx->options & DHCPCD_TEST)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3137 dhcp_drop(ifp, "NAK");
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	3138 dhcp_unlink(ifp->ctx, state->leasefile);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3139 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3140
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3141 /* If we constantly get NAKS then we should slowly back off */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3142 eloop_timeout_add_sec(ifp->ctx->eloop,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3143 state->nakoff, dhcp_discover, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3144 if (state->nakoff == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3145 state->nakoff = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3146 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3147 state->nakoff *= 2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3148 if (state->nakoff > NAKOFF_MAX)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3149 state->nakoff = NAKOFF_MAX;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3150 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3151 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3152 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3153
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3154 /* Ensure that all required options are present */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3155 for (i = 1; i < 255; i++) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3156 if (has_option_mask(ifo->requiremask, i) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3157 get_option_uint8(ifp->ctx, &tmp,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3158 bootp, bootp_len, (uint8_t)i) != 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3159 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3160 /* If we are BOOTP, then ignore the need for serverid.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3161 * To ignore BOOTP, require dhcp_message_type.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3162 * However, nothing really stops BOOTP from providing
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3163 * DHCP style options as well so the above isn't
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3164 * always true. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3165 if (type == 0 && i == DHO_SERVERID)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3166 continue;
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3167 LOGDHCP(LOG_WARNING, "reject DHCP");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3168 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3169 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3170 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3171
5524 8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3172 if (has_option_mask(ifo->requestmask, DHO_IPV6_PREFERRED_ONLY)) {
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3173 if (get_option_uint32(ifp->ctx, &v6only_time, bootp, bootp_len,
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3174 DHO_IPV6_PREFERRED_ONLY) == 0 &&
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3175 (state->state == DHS_DISCOVER \|\| state->state == DHS_REBOOT))
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3176 {
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3177 char v6msg[128];
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3178
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3179 use_v6only = true;
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3180 if (v6only_time < MIN_V6ONLY_WAIT)
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3181 v6only_time = MIN_V6ONLY_WAIT;
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3182 snprintf(v6msg, sizeof(v6msg),
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3183 "IPv6-Only Preferred received (%u seconds)",
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3184 v6only_time);
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3185 LOGDHCP(LOG_INFO, v6msg);
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3186 }
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3187 }
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3188
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3189 /* DHCP Auto-Configure, RFC 2563 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3190 if (type == DHCP_OFFER && bootp->yiaddr == 0) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3191 LOGDHCP(LOG_WARNING, "no address given");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3192 if ((msg = get_option_string(ifp->ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3193 bootp, bootp_len, DHO_MESSAGE)))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3194 {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3195 logwarnx("%s: message: %s", ifp->name, msg);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3196 free(msg);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3197 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3198 #ifdef IPV4LL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3199 if (state->state == DHS_DISCOVER &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3200 get_option_uint8(ifp->ctx, &tmp, bootp, bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3201 DHO_AUTOCONFIGURE) == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3202 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3203 switch (tmp) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3204 case 0:
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3205 LOGDHCP(LOG_WARNING, "IPv4LL disabled from");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3206 ipv4ll_drop(ifp);
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	3207 #ifdef ARP
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3208 arp_drop(ifp);
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	3209 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3210 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3211 case 1:
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3212 LOGDHCP(LOG_WARNING, "IPv4LL enabled from");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3213 ipv4ll_start(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3214 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3215 default:
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3216 logerrx("%s: unknown auto configuration "
746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3217 "option %d",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3218 ifp->name, tmp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3219 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3220 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3221 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3222 eloop_timeout_add_sec(ifp->ctx->eloop,
5524 8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3223 use_v6only ? v6only_time : DHCP_MAX,
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3224 dhcp_discover, ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3225 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3226 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3227 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3228 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3229
5524 8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3230 if (use_v6only) {
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3231 dhcp_drop(ifp, "EXPIRE");
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3232 dhcp_unlink(ifp->ctx, state->leasefile);
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3233 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3234 eloop_timeout_add_sec(ifp->ctx->eloop, v6only_time,
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3235 dhcp_discover, ifp);
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3236 return;
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3237 }
8c0e5dc34824 DHCP: Implement IPv6-Only Preferred option, RFC 8925. Roy Marples <roy@marples.name> parents: 5499 diff changeset	3238
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3239 /* Ensure that the address offered is valid */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3240 if ((type == 0 \|\| type == DHCP_OFFER \|\| type == DHCP_ACK) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3241 (bootp->ciaddr == INADDR_ANY \|\| bootp->ciaddr == INADDR_BROADCAST)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3242 &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3243 (bootp->yiaddr == INADDR_ANY \|\| bootp->yiaddr == INADDR_BROADCAST))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3244 {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3245 LOGDHCP(LOG_WARNING, "reject invalid address");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3246 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3247 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3248
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3249 #ifdef IN_IFF_DUPLICATED
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3250 ia = ipv4_iffindaddr(ifp, &lease->addr, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3251 if (ia && ia->addr_flags & IN_IFF_DUPLICATED) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3252 LOGDHCP(LOG_WARNING, "declined duplicate address");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3253 if (type)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3254 dhcp_decline(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3255 ipv4_deladdr(ia, 0);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3256 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3257 eloop_timeout_add_sec(ifp->ctx->eloop,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3258 DHCP_RAND_MAX, dhcp_discover, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3259 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3260 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3261 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3262
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3263 bootp_copied = false;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3264 if ((type == 0 \|\| type == DHCP_OFFER) && state->state == DHS_DISCOVER) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3265 lease->frominfo = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3266 lease->addr.s_addr = bootp->yiaddr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3267 memcpy(&lease->cookie, bootp->vend, sizeof(lease->cookie));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3268 if (type == 0 \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3269 get_option_addr(ifp->ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3270 &lease->server, bootp, bootp_len, DHO_SERVERID) != 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3271 lease->server.s_addr = INADDR_ANY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3272
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3273 /* Test for rapid commit in the OFFER */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3274 if (!(ifp->ctx->options & DHCPCD_TEST) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3275 has_option_mask(ifo->requestmask, DHO_RAPIDCOMMIT) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3276 get_option(ifp->ctx, bootp, bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3277 DHO_RAPIDCOMMIT, NULL))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3278 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3279 state->state = DHS_REQUEST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3280 goto rapidcommit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3281 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3282
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3283 LOGDHCP(LOG_INFO, "offered");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3284 if (state->offer_len < bootp_len) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3285 free(state->offer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3286 if ((state->offer = malloc(bootp_len)) == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3287 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3288 state->offer_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3289 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3290 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3291 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3292 state->offer_len = bootp_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3293 memcpy(state->offer, bootp, bootp_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3294 bootp_copied = true;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3295 if (ifp->ctx->options & DHCPCD_TEST) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3296 free(state->old);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3297 state->old = state->new;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3298 state->old_len = state->new_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3299 state->new = state->offer;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3300 state->new_len = state->offer_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3301 state->offer = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3302 state->offer_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3303 state->reason = "TEST";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3304 script_runreason(ifp, state->reason);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3305 eloop_exit(ifp->ctx->eloop, EXIT_SUCCESS);
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3306 state->bpf->bpf_flags \|= BPF_EOF;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3307 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3308 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3309 eloop_timeout_delete(ifp->ctx->eloop, send_discover, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3310 /* We don't request BOOTP addresses */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3311 if (type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3312 /* We used to ARP check here, but that seems to be in
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3313 * violation of RFC2131 where it only describes
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3314 * DECLINE after REQUEST.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3315 * It also seems that some MS DHCP servers actually
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3316 * ignore DECLINE if no REQUEST, ie we decline a
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3317 * DISCOVER. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3318 dhcp_request(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3319 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3320 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3321 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3322
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3323 if (type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3324 if (type == DHCP_OFFER) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3325 LOGDHCP(LOG_WARNING, "ignoring offer of");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3326 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3327 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3328
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3329 /* We should only be dealing with acks */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3330 if (type != DHCP_ACK) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3331 LOGDHCP(LOG_ERR, "not ACK or OFFER");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3332 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3333 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3334
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3335 if (state->state == DHS_DISCOVER) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3336 /* We only allow ACK of rapid commit DISCOVER. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3337 if (has_option_mask(ifo->requestmask,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3338 DHO_RAPIDCOMMIT) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3339 get_option(ifp->ctx, bootp, bootp_len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3340 DHO_RAPIDCOMMIT, NULL))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3341 state->state = DHS_REQUEST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3342 else {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3343 LOGDHCP(LOG_DEBUG, "ignoring ack of");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3344 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3345 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3346 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3347
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3348 rapidcommit:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3349 if (!(ifo->options & DHCPCD_INFORM))
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5054 diff changeset	3350 LOGDHCP(LOG_DEBUG, "acknowledged");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3351 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3352 ifo->options &= ~DHCPCD_STATIC;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3353 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3354
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3355 /* No NAK, so reset the backoff
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3356 * We don't reset on an OFFER message because the server could
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3357 * potentially NAK the REQUEST. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3358 state->nakoff = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3359
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3360 /* BOOTP could have already assigned this above. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3361 if (!bootp_copied) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3362 if (state->offer_len < bootp_len) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3363 free(state->offer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3364 if ((state->offer = malloc(bootp_len)) == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3365 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3366 state->offer_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3367 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3368 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3369 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3370 state->offer_len = bootp_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3371 memcpy(state->offer, bootp, bootp_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3372 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3373
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3374 lease->frominfo = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3375 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3376
4587 02c41622154f NetBSD: Allow dhcpcd to be built without ARP support Roy Marples <roy@marples.name> parents: 4585 diff changeset	3377 #if defined(ARP) \|\| defined(KERNEL_RFC5227)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3378 dhcp_arp_bind(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3379 #else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3380 dhcp_bind(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3381 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3382 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3383
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3384 static void *
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3385 get_udp_data(void packet, size_t len)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3386 {
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3387 const struct ip *ip = packet;
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3388 size_t ip_hl = (size_t)ip->ip_hl * 4;
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3389 char *p = packet;
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3390
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3391 p += ip_hl + sizeof(struct udphdr);
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3392 *len = (size_t)ntohs(ip->ip_len) - sizeof(struct udphdr) - ip_hl;
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3393 return p;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3394 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3395
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3396 static bool
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3397 is_packet_udp_bootp(void *packet, size_t plen)
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3398 {
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3399 struct ip *ip = packet;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3400 size_t ip_hlen;
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3401 struct udphdr udp;
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3402
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3403 if (plen < sizeof(*ip))
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3404 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3405
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3406 if (ip->ip_v != IPVERSION \|\| ip->ip_p != IPPROTO_UDP)
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3407 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3408
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3409 /* Sanity. */
4762 d68ac6b143c5 dhcp: Allow for trailing FCS in the packet. Roy Marples <roy@marples.name> parents: 4761 diff changeset	3410 if (ntohs(ip->ip_len) > plen)
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3411 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3412
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3413 ip_hlen = (size_t)ip->ip_hl * 4;
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3414 if (ip_hlen < sizeof(*ip))
6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3415 return false;
6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3416
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3417 /* Check we have a UDP header and BOOTP. */
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3418 if (ip_hlen + sizeof(udp) + offsetof(struct bootp, vend) > plen)
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3419 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3420
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3421 /* Sanity. */
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3422 memcpy(&udp, (char *)ip + ip_hlen, sizeof(udp));
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3423 if (ntohs(udp.uh_ulen) < sizeof(udp))
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3424 return false;
5072 b1ab228ac3b3 Revert "dhcp: Cast away a compile warning" Roy Marples <roy@marples.name> parents: 5064 diff changeset	3425 if (ip_hlen + ntohs(udp.uh_ulen) > plen)
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3426 return false;
6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3427
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3428 /* Check it's to and from the right ports. */
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3429 if (udp.uh_dport != htons(BOOTPC) \|\| udp.uh_sport != htons(BOOTPS))
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3430 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3431
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3432 return true;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3433 }
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3434
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3435 /* Lengths have already been checked. */
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3436 static bool
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3437 checksums_valid(void *packet,
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3438 struct in_addr *from, unsigned int flags)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3439 {
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3440 struct ip *ip = packet;
4770 e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3441 union pip {
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3442 struct ip ip;
4775 9a29b37bc5cb DHCP: Fix prior to not waste space Sergei Trofimovich <slyfox@gentoo.org> parents: 4773 diff changeset	3443 uint16_t w[sizeof(struct ip) / 2];
4770 e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3444 } pip = {
5272 97e87c65302e Appease older compilers Roy Marples <roy@marples.name> parents: 5256 diff changeset	3445 .ip = {
97e87c65302e Appease older compilers Roy Marples <roy@marples.name> parents: 5256 diff changeset	3446 .ip_p = IPPROTO_UDP,
97e87c65302e Appease older compilers Roy Marples <roy@marples.name> parents: 5256 diff changeset	3447 .ip_src = ip->ip_src,
97e87c65302e Appease older compilers Roy Marples <roy@marples.name> parents: 5256 diff changeset	3448 .ip_dst = ip->ip_dst,
97e87c65302e Appease older compilers Roy Marples <roy@marples.name> parents: 5256 diff changeset	3449 }
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	3450 };
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3451 size_t ip_hlen;
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3452 struct udphdr udp;
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3453 char udpp, uh_sump;
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	3454 uint32_t csum;
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3455
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3456 if (from != NULL)
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3457 from->s_addr = ip->ip_src.s_addr;
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3458
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3459 ip_hlen = (size_t)ip->ip_hl * 4;
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3460 if (in_cksum(ip, ip_hlen, NULL) != 0)
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3461 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3462
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3463 if (flags & BPF_PARTIALCSUM)
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3464 return true;
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3465
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3466 udpp = (char *)ip + ip_hlen;
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3467 memcpy(&udp, udpp, sizeof(udp));
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3468 if (udp.uh_sum == 0)
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3469 return true;
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3470
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	3471 /* UDP checksum is based on a pseudo IP header alongside
3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	3472 * the UDP header and payload. */
4770 e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3473 pip.ip.ip_len = udp.uh_ulen;
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3474 csum = 0;
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3475
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3476 /* Need to zero the UDP sum in the packet for the checksum to work. */
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3477 uh_sump = udpp + offsetof(struct udphdr, uh_sum);
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3478 memset(uh_sump, 0, sizeof(udp.uh_sum));
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3479
4773 44414d81f0c1 Typo, thanks to Arfrever. Roy Marples <roy@marples.name> parents: 4770 diff changeset	3480 /* Checksum pseudo header and then UDP + payload. */
4770 e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3481 in_cksum(pip.w, sizeof(pip.w), &csum);
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3482 csum = in_cksum(udpp, ntohs(udp.uh_ulen), &csum);
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3483
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3484 #if 0 /* Not needed, just here for completeness. */
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3485 /* Put the checksum back. */
4770 e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3486 memcpy(uh_sump, &udp.uh_sum, sizeof(udp.uh_sum));
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3487 #endif
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3488
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3489 return csum == udp.uh_sum;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3490 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3491
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3492 static void
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3493 dhcp_handlebootp(struct interface ifp, struct bootp bootp, size_t len,
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3494 struct in_addr *from)
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3495 {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3496 size_t v;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3497
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3498 if (len < offsetof(struct bootp, vend)) {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3499 logerrx("%s: truncated packet (%zu) from %s",
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3500 ifp->name, len, inet_ntoa(*from));
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3501 return;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3502 }
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3503
5079 415c98a69db0 DHCP: Move the max frame length check Roy Marples <roy@marples.name> parents: 5078 diff changeset	3504 /* Unlikely, but appeases sanitizers. */
415c98a69db0 DHCP: Move the max frame length check Roy Marples <roy@marples.name> parents: 5078 diff changeset	3505 if (len > FRAMELEN_MAX) {
415c98a69db0 DHCP: Move the max frame length check Roy Marples <roy@marples.name> parents: 5078 diff changeset	3506 logerrx("%s: packet exceeded frame length (%zu) from %s",
415c98a69db0 DHCP: Move the max frame length check Roy Marples <roy@marples.name> parents: 5078 diff changeset	3507 ifp->name, len, inet_ntoa(*from));
415c98a69db0 DHCP: Move the max frame length check Roy Marples <roy@marples.name> parents: 5078 diff changeset	3508 return;
415c98a69db0 DHCP: Move the max frame length check Roy Marples <roy@marples.name> parents: 5078 diff changeset	3509 }
415c98a69db0 DHCP: Move the max frame length check Roy Marples <roy@marples.name> parents: 5078 diff changeset	3510
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3511 /* To make our IS_DHCP macro easy, ensure the vendor
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3512 * area has at least 4 octets. */
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3513 v = len - offsetof(struct bootp, vend);
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3514 while (v < 4) {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3515 bootp->vend[v++] = '\0';
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3516 len++;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3517 }
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3518
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3519 dhcp_handledhcp(ifp, bootp, len, from);
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3520 }
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3521
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3522 void
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5233 diff changeset	3523 dhcp_packet(struct interface ifp, uint8_t data, size_t len,
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5233 diff changeset	3524 unsigned int bpf_flags)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3525 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3526 struct bootp *bootp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3527 struct in_addr from;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3528 size_t udp_len;
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3529 size_t fl = bpf_frame_header_len(ifp);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3530 #ifdef PRIVSEP
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3531 const struct dhcp_state *state = D_CSTATE(ifp);
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3532
5489 a3d5af47a4e3 Add a comment to prior incase I do something dumb like removing it Roy Marples <roy@marples.name> parents: 5487 diff changeset	3533 /* It's possible that an interface departs and arrives in short
a3d5af47a4e3 Add a comment to prior incase I do something dumb like removing it Roy Marples <roy@marples.name> parents: 5487 diff changeset	3534 * order to receive a BPF frame out of order.
a3d5af47a4e3 Add a comment to prior incase I do something dumb like removing it Roy Marples <roy@marples.name> parents: 5487 diff changeset	3535 * There is a similar check in ARP, but much lower down the stack.
a3d5af47a4e3 Add a comment to prior incase I do something dumb like removing it Roy Marples <roy@marples.name> parents: 5487 diff changeset	3536 * It's not needed for other inet protocols because we send the
a3d5af47a4e3 Add a comment to prior incase I do something dumb like removing it Roy Marples <roy@marples.name> parents: 5487 diff changeset	3537 * message as a whole and select the interface off that and then
a3d5af47a4e3 Add a comment to prior incase I do something dumb like removing it Roy Marples <roy@marples.name> parents: 5487 diff changeset	3538 * check state. BPF on the other hand is very interface
a3d5af47a4e3 Add a comment to prior incase I do something dumb like removing it Roy Marples <roy@marples.name> parents: 5487 diff changeset	3539 * specific and we do need this check. */
5487 23f35ea1a34a privsep: fix crash when interface departs before bpf returns for it Roy Marples <roy@marples.name> parents: 5449 diff changeset	3540 if (state == NULL)
23f35ea1a34a privsep: fix crash when interface departs before bpf returns for it Roy Marples <roy@marples.name> parents: 5449 diff changeset	3541 return;
23f35ea1a34a privsep: fix crash when interface departs before bpf returns for it Roy Marples <roy@marples.name> parents: 5449 diff changeset	3542
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3543 /* Ignore double reads */
4868 119c8986dfc8 privsep: Enable ARP BPF filtering for interesting addresses Roy Marples <roy@marples.name> parents: 4866 diff changeset	3544 if (IN_PRIVSEP(ifp->ctx)) {
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3545 switch (state->state) {
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3546 case DHS_BOUND: /* FALLTHROUGH */
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3547 case DHS_RENEW:
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3548 return;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3549 default:
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3550 break;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3551 }
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3552 }
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3553 #endif
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3554
5033 d8f63eaa4d2b DHCP: Fix receiving BPF from privsep. Roy Marples <roy@marples.name> parents: 5028 diff changeset	3555 /* Trim frame header */
d8f63eaa4d2b DHCP: Fix receiving BPF from privsep. Roy Marples <roy@marples.name> parents: 5028 diff changeset	3556 if (fl != 0) {
d8f63eaa4d2b DHCP: Fix receiving BPF from privsep. Roy Marples <roy@marples.name> parents: 5028 diff changeset	3557 if (len < fl) {
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3558 logerrx("%s: %s: short frame header %zu",
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3559 __func__, ifp->name, len);
5033 d8f63eaa4d2b DHCP: Fix receiving BPF from privsep. Roy Marples <roy@marples.name> parents: 5028 diff changeset	3560 return;
d8f63eaa4d2b DHCP: Fix receiving BPF from privsep. Roy Marples <roy@marples.name> parents: 5028 diff changeset	3561 }
d8f63eaa4d2b DHCP: Fix receiving BPF from privsep. Roy Marples <roy@marples.name> parents: 5028 diff changeset	3562 len -= fl;
5158 5f18174b5eb2 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5120 diff changeset	3563 /* Move the data to avoid alignment errors. */
5f18174b5eb2 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5120 diff changeset	3564 memmove(data, data + fl, len);
5033 d8f63eaa4d2b DHCP: Fix receiving BPF from privsep. Roy Marples <roy@marples.name> parents: 5028 diff changeset	3565 }
d8f63eaa4d2b DHCP: Fix receiving BPF from privsep. Roy Marples <roy@marples.name> parents: 5028 diff changeset	3566
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3567 /* Validate filter. */
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3568 if (!is_packet_udp_bootp(data, len)) {
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3569 #ifdef BPF_DEBUG
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3570 logerrx("%s: DHCP BPF validation failure", ifp->name);
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3571 #endif
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3572 return;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3573 }
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3574
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3575 if (!checksums_valid(data, &from, bpf_flags)) {
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3576 logerrx("%s: checksum failure from %s",
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3577 ifp->name, inet_ntoa(from));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3578 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3579 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3580
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3581 /*
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3582 * DHCP has a variable option area rather than a fixed vendor area.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3583 * Because DHCP uses the BOOTP protocol it should still send BOOTP
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3584 * sized packets to be RFC compliant.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3585 * However some servers send a truncated vendor area.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3586 * dhcpcd can work fine without the vendor area being sent.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3587 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3588 bootp = get_udp_data(data, &udp_len);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3589 dhcp_handlebootp(ifp, bootp, udp_len, &from);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3590 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3591
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3592 static void
4717 3cce06e28d99 DHCP: Rename dhcp_readpacket to dhcp_readbpf Roy Marples <roy@marples.name> parents: 4715 diff changeset	3593 dhcp_readbpf(void *arg)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3594 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3595 struct interface *ifp = arg;
5028 c06163d3bc14 DHCP: Support jumbo frames Roy Marples <roy@marples.name> parents: 5026 diff changeset	3596 uint8_t buf[FRAMELEN_MAX];
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3597 ssize_t bytes;
4169 07bfee79bd7a bpf: store flags in state for a better abort Roy Marples <roy@marples.name> parents: 4168 diff changeset	3598 struct dhcp_state *state = D_STATE(ifp);
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3599 struct bpf *bpf = state->bpf;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3600
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3601 bpf->bpf_flags &= ~BPF_EOF;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3602 while (!(bpf->bpf_flags & BPF_EOF)) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3603 bytes = bpf_read(bpf, buf, sizeof(buf));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3604 if (bytes == -1) {
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3605 if (state->state != DHS_NONE) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3606 logerr("%s: %s", __func__, ifp->name);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3607 dhcp_close(ifp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3608 }
4171 4ff80b2bbba1 Fix prior patches by using correct bitmasks for flags. Roy Marples <roy@marples.name> parents: 4169 diff changeset	3609 break;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3610 }
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3611 dhcp_packet(ifp, buf, (size_t)bytes, bpf->bpf_flags);
3970 c31023f676be Fix a potential crash where the DHCP state could be freed during processing. Roy Marples <roy@marples.name> parents: 3960 diff changeset	3612 /* Check we still have a state after processing. */
4169 07bfee79bd7a bpf: store flags in state for a better abort Roy Marples <roy@marples.name> parents: 4168 diff changeset	3613 if ((state = D_STATE(ifp)) == NULL)
3970 c31023f676be Fix a potential crash where the DHCP state could be freed during processing. Roy Marples <roy@marples.name> parents: 3960 diff changeset	3614 break;
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3615 if ((bpf = state->bpf) == NULL)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3616 break;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3617 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3618 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3619
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3620 void
4787 d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3621 dhcp_recvmsg(struct dhcpcd_ctx ctx, struct msghdr msg)
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3622 {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3623 struct sockaddr_in from = (struct sockaddr_in )msg->msg_name;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3624 struct iovec *iov = &msg->msg_iov[0];
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3625 struct interface *ifp;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3626 const struct dhcp_state *state;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3627
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3628 ifp = if_findifpfromcmsg(ctx, msg, NULL);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3629 if (ifp == NULL) {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3630 logerr(__func__);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3631 return;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3632 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3633 state = D_CSTATE(ifp);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3634 if (state == NULL) {
5009 0f76dcb791a4 DHCP: redirect message to other interfaces if received for inactive Roy Marples <roy@marples.name> parents: 5002 diff changeset	3635 /* Try re-directing it to another interface. */
0f76dcb791a4 DHCP: redirect message to other interfaces if received for inactive Roy Marples <roy@marples.name> parents: 5002 diff changeset	3636 dhcp_redirect_dhcp(ifp, (struct bootp *)iov->iov_base,
0f76dcb791a4 DHCP: redirect message to other interfaces if received for inactive Roy Marples <roy@marples.name> parents: 5002 diff changeset	3637 iov->iov_len, &from->sin_addr);
4787 d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3638 return;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3639 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3640
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3641 if (state->bpf != NULL) {
4787 d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3642 /* Avoid a duplicate read if BPF is open for the interface. */
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3643 return;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3644 }
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3645 #ifdef PRIVSEP
4868 119c8986dfc8 privsep: Enable ARP BPF filtering for interesting addresses Roy Marples <roy@marples.name> parents: 4866 diff changeset	3646 if (IN_PRIVSEP(ctx)) {
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3647 switch (state->state) {
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3648 case DHS_BOUND: /* FALLTHROUGH */
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3649 case DHS_RENEW:
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3650 break;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3651 default:
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3652 /* Any other state we ignore it or will receive
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3653 * via BPF. */
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3654 return;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3655 }
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3656 }
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3657 #endif
4787 d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3658
5193 658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5176 diff changeset	3659 dhcp_handlebootp(ifp, iov->iov_base, iov->iov_len,
4787 d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3660 &from->sin_addr);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3661 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3662
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3663 static void
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3664 dhcp_readudp(struct dhcpcd_ctx ctx, struct interface ifp)
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3665 {
4602 4315e1265f1c DragonFlyBSD: Fix compile Roy Marples <roy@marples.name> parents: 4594 diff changeset	3666 const struct dhcp_state *state;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3667 struct sockaddr_in from;
5193 658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5176 diff changeset	3668 union {
658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5176 diff changeset	3669 struct bootp bootp;
658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5176 diff changeset	3670 uint8_t buf[10 * 1024]; /* Maximum MTU */
658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5176 diff changeset	3671 } iovbuf;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3672 struct iovec iov = {
5193 658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5176 diff changeset	3673 .iov_base = iovbuf.buf,
658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5176 diff changeset	3674 .iov_len = sizeof(iovbuf.buf),
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3675 };
5160 01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5158 diff changeset	3676 union {
01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5158 diff changeset	3677 struct cmsghdr hdr;
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	3678 #ifdef IP_RECVIF
5160 01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5158 diff changeset	3679 uint8_t buf[CMSG_SPACE(sizeof(struct sockaddr_dl))];
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	3680 #else
5160 01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5158 diff changeset	3681 uint8_t buf[CMSG_SPACE(sizeof(struct in_pktinfo))];
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3682 #endif
5160 01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5158 diff changeset	3683 } cmsgbuf = { .buf = { 0 } };
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3684 struct msghdr msg = {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3685 .msg_name = &from, .msg_namelen = sizeof(from),
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3686 .msg_iov = &iov, .msg_iovlen = 1,
5193 658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5176 diff changeset	3687 .msg_control = cmsgbuf.buf, .msg_controllen = sizeof(cmsgbuf.buf),
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3688 };
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3689 int s;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3690 ssize_t bytes;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3691
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3692 if (ifp != NULL) {
4594 81f346f0e892 DHCP: Avoid duplicate read of packet Roy Marples <roy@marples.name> parents: 4587 diff changeset	3693 state = D_CSTATE(ifp);
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3694 s = state->udp_rfd;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3695 } else
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3696 s = ctx->udp_rfd;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3697
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3698 bytes = recvmsg(s, &msg, 0);
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3699 if (bytes == -1) {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3700 logerr(__func__);
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3701 return;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3702 }
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3703
4787 d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3704 iov.iov_len = (size_t)bytes;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3705 dhcp_recvmsg(ctx, &msg);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3706 }
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3707
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3708 static void
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3709 dhcp_handleudp(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3710 {
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3711 struct dhcpcd_ctx *ctx = arg;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3712
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3713 dhcp_readudp(ctx, NULL);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3714 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3715
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3716 static void
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3717 dhcp_handleifudp(void *arg)
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3718 {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3719 struct interface *ifp = arg;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3720
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3721 dhcp_readudp(ifp->ctx, ifp);
4791 3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3722 }
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3723
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3724 static int
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3725 dhcp_openbpf(struct interface *ifp)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3726 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3727 struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3728
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3729 state = D_STATE(ifp);
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3730
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3731 #ifdef PRIVSEP
4868 119c8986dfc8 privsep: Enable ARP BPF filtering for interesting addresses Roy Marples <roy@marples.name> parents: 4866 diff changeset	3732 if (IN_PRIVSEP_SE(ifp->ctx)) {
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3733 if (ps_bpf_openbootp(ifp) == -1) {
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3734 logerr(__func__);
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3735 return -1;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3736 }
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3737 return 0;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3738 }
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3739 #endif
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3740
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3741 if (state->bpf != NULL)
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3742 return 0;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3743
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3744 state->bpf = bpf_open(ifp, bpf_bootp, NULL);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3745 if (state->bpf == NULL) {
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3746 if (errno == ENOENT) {
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3747 logerrx("%s not found", bpf_name);
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3748 /* May as well disable IPv4 entirely at
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3749 * this point as we really need it. */
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3750 ifp->options->options &= ~DHCPCD_IPV4;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3751 } else
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3752 logerr("%s: %s", __func__, ifp->name);
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3753 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3754 }
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3755
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3756 eloop_event_add(ifp->ctx->eloop,
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3757 state->bpf->bpf_fd, dhcp_readbpf, ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3758 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3759 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3760
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3761 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3762 dhcp_free(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3763 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3764 struct dhcp_state *state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3765 struct dhcpcd_ctx *ctx;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3766
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3767 dhcp_close(ifp);
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	3768 #ifdef ARP
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3769 arp_drop(ifp);
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	3770 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3771 if (state) {
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3772 state->state = DHS_NONE;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3773 free(state->old);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3774 free(state->new);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3775 free(state->offer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3776 free(state->clientid);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3777 free(state);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3778 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3779
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3780 ctx = ifp->ctx;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3781 /* If we don't have any more DHCP enabled interfaces,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3782 * close the global socket and release resources */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3783 if (ctx->ifaces) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3784 TAILQ_FOREACH(ifp, ctx->ifaces, next) {
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3785 state = D_STATE(ifp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3786 if (state != NULL && state->state != DHS_NONE)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3787 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3788 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3789 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3790 if (ifp == NULL) {
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3791 if (ctx->udp_rfd != -1) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3792 eloop_event_delete(ctx->eloop, ctx->udp_rfd);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3793 close(ctx->udp_rfd);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3794 ctx->udp_rfd = -1;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3795 }
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3796 if (ctx->udp_wfd != -1) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3797 close(ctx->udp_wfd);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3798 ctx->udp_wfd = -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3799 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3800
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3801 free(ctx->opt_buffer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3802 ctx->opt_buffer = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3803 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3804 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3805
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3806 static int
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3807 dhcp_initstate(struct interface *ifp)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3808 {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3809 struct dhcp_state *state;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3810
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3811 state = D_STATE(ifp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3812 if (state != NULL)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3813 return 0;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3814
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3815 ifp->if_data[IF_DATA_DHCP] = calloc(1, sizeof(*state));
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3816 state = D_STATE(ifp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3817 if (state == NULL)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3818 return -1;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3819
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3820 state->state = DHS_NONE;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3821 /* 0 is a valid fd, so init to -1 */
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3822 state->udp_rfd = -1;
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3823 #ifdef ARPING
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3824 state->arping_index = -1;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3825 #endif
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3826 return 1;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3827 }
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3828
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3829 static int
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3830 dhcp_init(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3831 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3832 struct dhcp_state *state;
5280 a986083da0ba Fix some clang analyzer issues Roy Marples <roy@marples.name> parents: 5272 diff changeset	3833 struct if_options *ifo;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3834 uint8_t len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3835 char buf[(sizeof(ifo->clientid) - 1) * 3];
4400 2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4396 diff changeset	3836
2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4396 diff changeset	3837 if (dhcp_initstate(ifp) == -1)
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3838 return -1;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3839
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3840 state = D_STATE(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3841 state->state = DHS_INIT;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3842 state->reason = "PREINIT";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3843 state->nakoff = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3844 dhcp_set_leasefile(state->leasefile, sizeof(state->leasefile),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3845 AF_INET, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3846
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3847 ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3848 /* We need to drop the leasefile so that dhcp_start
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3849 * doesn't load it. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3850 if (ifo->options & DHCPCD_REQUEST)
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	3851 dhcp_unlink(ifp->ctx, state->leasefile);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3852
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3853 free(state->clientid);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3854 state->clientid = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3855
4958 a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3856 if (ifo->options & DHCPCD_ANONYMOUS) {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3857 uint8_t duid[DUID_LEN];
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3858 uint8_t duid_len;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3859
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3860 duid_len = (uint8_t)duid_make(duid, ifp, DUID_LL);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3861 if (duid_len != 0) {
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3862 state->clientid = malloc((size_t)duid_len + 6);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3863 if (state->clientid == NULL)
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3864 goto eexit;
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3865 state->clientid[0] =(uint8_t)(duid_len + 5);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3866 state->clientid[1] = 255; /* RFC 4361 */
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3867 memcpy(state->clientid + 2, ifo->iaid, 4);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3868 memset(state->clientid + 2, 0, 4); /* IAID */
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3869 memcpy(state->clientid + 6, duid, duid_len);
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3870 }
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	3871 } else if (*ifo->clientid) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3872 state->clientid = malloc((size_t)(ifo->clientid[0] + 1));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3873 if (state->clientid == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3874 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3875 memcpy(state->clientid, ifo->clientid,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3876 (size_t)(ifo->clientid[0]) + 1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3877 } else if (ifo->options & DHCPCD_CLIENTID) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3878 if (ifo->options & DHCPCD_DUID) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3879 state->clientid = malloc(ifp->ctx->duid_len + 6);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3880 if (state->clientid == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3881 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3882 state->clientid[0] =(uint8_t)(ifp->ctx->duid_len + 5);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3883 state->clientid[1] = 255; /* RFC 4361 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3884 memcpy(state->clientid + 2, ifo->iaid, 4);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3885 memcpy(state->clientid + 6, ifp->ctx->duid,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3886 ifp->ctx->duid_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3887 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3888 len = (uint8_t)(ifp->hwlen + 1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3889 state->clientid = malloc((size_t)len + 1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3890 if (state->clientid == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3891 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3892 state->clientid[0] = len;
5166 a70f6ddefe3c Rename ifp->family -> ifp->hwtype so it's less confusing Roy Marples <roy@marples.name> parents: 5160 diff changeset	3893 state->clientid[1] = (uint8_t)ifp->hwtype;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3894 memcpy(state->clientid + 2, ifp->hwaddr,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3895 ifp->hwlen);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3896 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3897 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3898
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3899 if (ifo->options & DHCPCD_DUID)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3900 /* Don't bother logging as DUID and IAID are reported
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3901 * at device start. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3902 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3903
5280 a986083da0ba Fix some clang analyzer issues Roy Marples <roy@marples.name> parents: 5272 diff changeset	3904 if (ifo->options & DHCPCD_CLIENTID && state->clientid != NULL)
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	3905 logdebugx("%s: using ClientID %s", ifp->name,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3906 hwaddr_ntoa(state->clientid + 1, state->clientid[0],
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3907 buf, sizeof(buf)));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3908 else if (ifp->hwlen)
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	3909 logdebugx("%s: using hwaddr %s", ifp->name,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3910 hwaddr_ntoa(ifp->hwaddr, ifp->hwlen, buf, sizeof(buf)));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3911 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3912
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3913 eexit:
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3914 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3915 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3916 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3917
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3918 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3919 dhcp_start1(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3920 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3921 struct interface *ifp = arg;
4681 c0b19aa0ee47 DHCP: Don't listen on the unspecified address when not in master mode Roy Marples <roy@marples.name> parents: 4677 diff changeset	3922 struct dhcpcd_ctx *ctx = ifp->ctx;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3923 struct if_options *ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3924 struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3925 uint32_t l;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3926 int nolease;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3927
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3928 if (!(ifo->options & DHCPCD_IPV4))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3929 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3930
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3931 /* Listen on ...:bootpc so that the kernel never sends an
4681 c0b19aa0ee47 DHCP: Don't listen on the unspecified address when not in master mode Roy Marples <roy@marples.name> parents: 4677 diff changeset	3932 * ICMP port unreachable message back to the DHCP server.
c0b19aa0ee47 DHCP: Don't listen on the unspecified address when not in master mode Roy Marples <roy@marples.name> parents: 4677 diff changeset	3933 * Only do this in master mode so we don't swallow messages
c0b19aa0ee47 DHCP: Don't listen on the unspecified address when not in master mode Roy Marples <roy@marples.name> parents: 4677 diff changeset	3934 * for dhcpcd running on another interface. */
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3935 if ((ctx->options & (DHCPCD_MASTER\|DHCPCD_PRIVSEP)) == DHCPCD_MASTER
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3936 && ctx->udp_rfd == -1)
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	3937 {
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3938 ctx->udp_rfd = dhcp_openudp(NULL);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3939 if (ctx->udp_rfd == -1) {
4833 aadc0d25a706 DHCP: Require unspecificed BOOTP port for master mode Roy Marples <roy@marples.name> parents: 4829 diff changeset	3940 logerr(__func__);
aadc0d25a706 DHCP: Require unspecificed BOOTP port for master mode Roy Marples <roy@marples.name> parents: 4829 diff changeset	3941 return;
4791 3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3942 }
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3943 eloop_event_add(ctx->eloop, ctx->udp_rfd, dhcp_handleudp, ctx);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3944 }
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3945 if (!IN_PRIVSEP(ctx) && ctx->udp_wfd == -1) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3946 ctx->udp_wfd = xsocket(PF_INET, SOCK_RAW\|SOCK_CXNB,IPPROTO_UDP);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3947 if (ctx->udp_wfd == -1) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3948 logerr(__func__);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3949 return;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3950 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3951 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3952
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3953 if (dhcp_init(ifp) == -1) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3954 logerr("%s: dhcp_init", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3955 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3956 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3957
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3958 state = D_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3959 clock_gettime(CLOCK_MONOTONIC, &state->started);
4224 595761ecbde0 dhcp: reset interval during init Roy Marples <roy@marples.name> parents: 4207 diff changeset	3960 state->interval = 0;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3961 free(state->offer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3962 state->offer = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3963 state->offer_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3964
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3965 #ifdef ARPING
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3966 if (ifo->arping_len && state->arping_index < ifo->arping_len) {
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5229 diff changeset	3967 dhcp_arping(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3968 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3969 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3970 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3971
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3972 if (ifo->options & DHCPCD_STATIC) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3973 dhcp_static(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3974 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3975 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3976
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3977 if (ifo->options & DHCPCD_INFORM) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3978 dhcp_inform(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3979 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3980 }
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3981
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3982 /* We don't want to read the old lease if we NAK an old test */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3983 nolease = state->offer && ifp->ctx->options & DHCPCD_TEST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3984 if (!nolease && ifo->options & DHCPCD_DHCP) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3985 state->offer_len = read_lease(ifp, &state->offer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3986 /* Check the saved lease matches the type we want */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3987 if (state->offer) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3988 #ifdef IN_IFF_DUPLICATED
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3989 struct in_addr addr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3990 struct ipv4_addr *ia;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3991
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3992 addr.s_addr = state->offer->yiaddr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3993 ia = ipv4_iffindaddr(ifp, &addr, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3994 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3995
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3996 if ((!IS_DHCP(state->offer) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3997 !(ifo->options & DHCPCD_BOOTP)) \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3998 #ifdef IN_IFF_DUPLICATED
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3999 (ia && ia->addr_flags & IN_IFF_DUPLICATED) \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4000 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4001 (IS_DHCP(state->offer) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4002 ifo->options & DHCPCD_BOOTP))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4003 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4004 free(state->offer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4005 state->offer = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4006 state->offer_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4007 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4008 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4009 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4010 if (state->offer) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4011 struct ipv4_addr *ia;
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	4012 time_t mtime;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4013
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4014 get_lease(ifp, &state->lease, state->offer, state->offer_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4015 state->lease.frominfo = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4016 if (state->new == NULL &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4017 (ia = ipv4_iffindaddr(ifp,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4018 &state->lease.addr, &state->lease.mask)) != NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4019 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4020 /* We still have the IP address from the last lease.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4021 * Fake add the address and routes from it so the lease
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4022 * can be cleaned up. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4023 state->new = malloc(state->offer_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4024 if (state->new) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4025 memcpy(state->new,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4026 state->offer, state->offer_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4027 state->new_len = state->offer_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4028 state->addr = ia;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4029 state->added \|= STATE_ADDED \| STATE_FAKE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4030 rt_build(ifp->ctx, AF_INET);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4031 } else
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	4032 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4033 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4034 if (!IS_DHCP(state->offer)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4035 free(state->offer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4036 state->offer = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4037 state->offer_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4038 } else if (!(ifo->options & DHCPCD_LASTLEASE_EXTEND) &&
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4549 diff changeset	4039 state->lease.leasetime != DHCP_INFINITE_LIFETIME &&
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	4040 dhcp_filemtime(ifp->ctx, state->leasefile, &mtime) == 0)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4041 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4042 time_t now;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4043
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4044 /* Offset lease times and check expiry */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4045 now = time(NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4046 if (now == -1 \|\|
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	4047 (time_t)state->lease.leasetime < now - mtime)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4048 {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	4049 logdebugx("%s: discarding expired lease",
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	4050 ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4051 free(state->offer);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4052 state->offer = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4053 state->offer_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4054 state->lease.addr.s_addr = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4055 /* Technically we should discard the lease
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4056 * as it's expired, just as DHCPv6 addresses
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4057 * would be by the kernel.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4058 * However, this may violate POLA so
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4059 * we currently leave it be.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4060 * If we get a totally different lease from
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4061 * the DHCP server we'll drop it anyway, as
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4062 * we will on any other event which would
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4063 * trigger a lease drop.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4064 * This should only happen if dhcpcd stops
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4065 * running and the lease expires before
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4066 * dhcpcd starts again. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4067 #if 0
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4068 if (state->new)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4069 dhcp_drop(ifp, "EXPIRE");
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4070 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4071 } else {
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5193 diff changeset	4072 l = (uint32_t)(now - mtime);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4073 state->lease.leasetime -= l;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4074 state->lease.renewaltime -= l;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4075 state->lease.rebindtime -= l;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4076 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4077 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4078 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4079
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4080 #ifdef IPV4LL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4081 if (!(ifo->options & DHCPCD_DHCP)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4082 if (ifo->options & DHCPCD_IPV4LL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4083 ipv4ll_start(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4084 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4085 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4086 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4087
4958 a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	4088 if (state->offer == NULL \|\|
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	4089 !IS_DHCP(state->offer) \|\|
a120f447fe74 Implement Anonymity Profiles for DHCP Clients, RFC 7844 Roy Marples <roy@marples.name> parents: 4952 diff changeset	4090 ifo->options & DHCPCD_ANONYMOUS)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4091 dhcp_discover(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4092 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4093 dhcp_reboot(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4094 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4095
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4096 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4097 dhcp_start(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4098 {
4932 8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	4099 unsigned int delay;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4100 #ifdef ARPING
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4101 const struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4102 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4103
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4104 if (!(ifp->options->options & DHCPCD_IPV4))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4105 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4106
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4107 /* If we haven't been given a netmask for our requested address,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4108 * set it now. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4109 if (ifp->options->req_addr.s_addr != INADDR_ANY &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4110 ifp->options->req_mask.s_addr == INADDR_ANY)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4111 ifp->options->req_mask.s_addr =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4112 ipv4_getnetmask(ifp->options->req_addr.s_addr);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4113
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4114 /* If we haven't specified a ClientID and our hardware address
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4115 * length is greater than BOOTP CHADDR then we enforce a ClientID
5166 a70f6ddefe3c Rename ifp->family -> ifp->hwtype so it's less confusing Roy Marples <roy@marples.name> parents: 5160 diff changeset	4116 * of the hardware address type and the hardware address.
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4117 * If there is no hardware address and no ClientID set,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4118 * force a DUID based ClientID. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4119 if (ifp->hwlen > 16)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4120 ifp->options->options \|= DHCPCD_CLIENTID;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4121 else if (ifp->hwlen == 0 && !(ifp->options->options & DHCPCD_CLIENTID))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4122 ifp->options->options \|= DHCPCD_CLIENTID \| DHCPCD_DUID;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4123
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4124 /* Firewire and InfiniBand interfaces require ClientID and
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4125 * the broadcast option being set. */
5166 a70f6ddefe3c Rename ifp->family -> ifp->hwtype so it's less confusing Roy Marples <roy@marples.name> parents: 5160 diff changeset	4126 switch (ifp->hwtype) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4127 case ARPHRD_IEEE1394: /* FALLTHROUGH */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4128 case ARPHRD_INFINIBAND:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4129 ifp->options->options \|= DHCPCD_CLIENTID \| DHCPCD_BROADCAST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4130 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4131 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4132
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4133 /* If we violate RFC2131 section 3.7 then require ARP
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4134 * to detect if any other client wants our address. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4135 if (ifp->options->options & DHCPCD_LASTLEASE_EXTEND)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4136 ifp->options->options \|= DHCPCD_ARP;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4137
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4138 /* No point in delaying a static configuration */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4139 if (ifp->options->options & DHCPCD_STATIC \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4140 !(ifp->options->options & DHCPCD_INITIAL_DELAY))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4141 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4142 dhcp_start1(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4143 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4144 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4145
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4146 #ifdef ARPING
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4147 /* If we have arpinged then we have already delayed. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4148 state = D_CSTATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4149 if (state != NULL && state->arping_index != -1) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4150 dhcp_start1(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4151 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4152 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4153 #endif
4932 8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	4154 delay = MSEC_PER_SEC +
8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	4155 (arc4random_uniform(MSEC_PER_SEC * 2) - MSEC_PER_SEC);
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	4156 logdebugx("%s: delaying IPv4 for %0.1f seconds",
4932 8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	4157 ifp->name, (float)delay / MSEC_PER_SEC);
8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	4158
8e1948e75f39 DHCP: Use milliseconds rather than timespec for retranmission Roy Marples <roy@marples.name> parents: 4924 diff changeset	4159 eloop_timeout_add_msec(ifp->ctx->eloop, delay, dhcp_start1, ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4160 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4161
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4162 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4163 dhcp_abort(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4164 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4165 struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4166
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4167 state = D_STATE(ifp);
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	4168 #ifdef ARPING
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4169 if (state != NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4170 state->arping_index = -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4171 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4172
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4173 eloop_timeout_delete(ifp->ctx->eloop, dhcp_start1, ifp);
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4174
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4175 if (state != NULL && state->added) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4176 rt_build(ifp->ctx, AF_INET);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4177 #ifdef ARP
5241 989bcc6c8e70 ARP: A few minor fixes for prior Roy Marples <roy@marples.name> parents: 5234 diff changeset	4178 if (ifp->options->options & DHCPCD_ARP)
989bcc6c8e70 ARP: A few minor fixes for prior Roy Marples <roy@marples.name> parents: 5234 diff changeset	4179 arp_announceaddr(ifp->ctx, &state->addr->addr);
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4180 #endif
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4181 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4182 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4183
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4184 struct ipv4_addr *
4232 8b92c1844860 Log the pid of the process deleting an assigned address. Roy Marples <roy@marples.name> parents: 4224 diff changeset	4185 dhcp_handleifa(int cmd, struct ipv4_addr *ia, pid_t pid)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4186 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4187 struct interface *ifp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4188 struct dhcp_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4189 struct if_options *ifo;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4190 uint8_t i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4191
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4192 ifp = ia->iface;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4193 state = D_STATE(ifp);
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4194 if (state == NULL \|\| state->state == DHS_NONE)
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4195 return ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4196
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4197 if (cmd == RTM_DELADDR) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4198 if (state->addr == ia) {
4232 8b92c1844860 Log the pid of the process deleting an assigned address. Roy Marples <roy@marples.name> parents: 4224 diff changeset	4199 loginfox("%s: pid %d deleted IP address %s",
8b92c1844860 Log the pid of the process deleting an assigned address. Roy Marples <roy@marples.name> parents: 4224 diff changeset	4200 ifp->name, pid, ia->saddr);
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4833 diff changeset	4201 dhcp_close(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4202 state->addr = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4203 /* Don't clear the added state as we need
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4204 * to drop the lease. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4205 dhcp_drop(ifp, "EXPIRE");
4242 9f4dc610f30c Really start dhcp on deletion of address. Roy Marples <roy@marples.name> parents: 4240 diff changeset	4206 dhcp_start1(ifp);
4782 8a9ec0631165 INET: Fix a potential memory leak Roy Marples <roy@marples.name> parents: 4775 diff changeset	4207 return ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4208 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4209 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4210
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4211 if (cmd != RTM_NEWADDR)
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4212 return ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4213
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4214 #ifdef IN_IFF_NOTUSEABLE
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	4215 if (!(ia->addr_flags & IN_IFF_NOTUSEABLE))
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	4216 dhcp_finish_dad(ifp, &ia->addr);
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	4217 else if (ia->addr_flags & IN_IFF_DUPLICATED)
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4218 return dhcp_addr_duplicated(ifp, &ia->addr) ? NULL : ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4219 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4220
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4221 ifo = ifp->options;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4222 if (ifo->options & DHCPCD_INFORM) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4223 if (state->state != DHS_INFORM)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4224 dhcp_inform(ifp);
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4225 return ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4226 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4227
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4228 if (!(ifo->options & DHCPCD_STATIC))
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4229 return ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4230 if (ifo->req_addr.s_addr != INADDR_ANY)
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4231 return ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4232
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4233 free(state->old);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4234 state->old = state->new;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4235 state->new_len = dhcp_message_new(&state->new, &ia->addr, &ia->mask);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4236 if (state->new == NULL)
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4237 return ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4238 if (ifp->flags & IFF_POINTOPOINT) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4239 for (i = 1; i < 255; i++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4240 if (i != DHO_ROUTER && has_option_mask(ifo->dstmask,i))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4241 dhcp_message_add_addr(state->new, i, ia->brd);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4242 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4243 state->reason = "STATIC";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4244 rt_build(ifp->ctx, AF_INET);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4245 script_runreason(ifp, state->reason);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4246 if (ifo->options & DHCPCD_INFORM) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4247 state->state = DHS_INFORM;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4248 dhcp_new_xid(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4249 state->lease.server.s_addr = INADDR_ANY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4250 state->addr = ia;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4251 dhcp_inform(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4252 }
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4253
65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4254 return ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4255 }
5288 30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4256
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4257 #ifndef SMALL
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4258 int
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4259 dhcp_dump(struct interface *ifp)
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4260 {
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4261 struct dhcp_state *state;
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4262
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4263 ifp->if_data[IF_DATA_DHCP] = state = calloc(1, sizeof(*state));
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4264 if (state == NULL) {
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4265 logerr(__func__);
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4266 return -1;
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4267 }
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4268 state->new_len = read_lease(ifp, &state->new);
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4269 if (state->new == NULL) {
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4270 logerr("read_lease");
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4271 return -1;
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4272 }
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4273 state->reason = "DUMP";
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4274 return script_runreason(ifp, state->reason);
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4275 }
30958d539e6c Restore dumping a lease from stdin Roy Marples <roy@marples.name> parents: 5280 diff changeset	4276 #endif

Mercurial > hg > dhcpcd

annotate src/dhcp.c @ 5530:226b850d158d draft