hg/dhcpcd: src/dhcp.c annotate

annotate src/dhcp.c @ 5563:da781e97946d draft dhcpcd-8

DHCP: Fix reading RENEW messages from inet socket It helps to use the correct buffer to store the control message ....

author	Roy Marples <roy@marples.name>
date	Sun, 20 Dec 2020 07:08:08 +0000
parents	f5dbfb2af80c
children

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
4333 ae138c7431a6 Welcome to 2019! Roy Marples <roy@marples.name> parents: 4332 diff changeset	4 * Copyright (c) 2006-2019 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 #include <sys/stat.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	32
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	33 #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	34 #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	35 #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	36 #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	37 #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	38 #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	39 #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	40 #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	41 #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	42 #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	43
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	44 #ifdef AF_LINK
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	45 # include <net/if_dl.h>
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	46 #endif
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	47
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	48 #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	49 #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	50 #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	51 #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	52 #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	53 #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	54 #include <stddef.h>
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	55 #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	56 #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	57 #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	58 #include <unistd.h>
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	59 #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	60
5037 f395aac24e9c eloop: define eloop queue numbers in common.h Roy Marples <roy@marples.name> parents: 5030 diff changeset	61 #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	62 #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	63 #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	64 #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	65 #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	66 #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	67 #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	68 #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	69 #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	70 #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	71 #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	72 #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	73 #include "ipv4ll.h"
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	74 #include "logerr.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
4900 5d4365759fbb DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4829 diff changeset	180 if (bootp == NULL \|\| bootp_len < DHCP_MIN_LEN) {
5d4365759fbb DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4829 diff changeset	181 errno = EINVAL;
5d4365759fbb DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4829 diff changeset	182 return NULL;
5d4365759fbb DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4829 diff changeset	183 }
5d4365759fbb DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4829 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:
4903 2a001af002fe DHCP: dl is always >0 at this point, so remove check. Roy Marples <roy@marples.name> parents: 4900 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;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	505 if (dl != 0) {
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)) &&
23ff91710a01 dhcp: Don't set ciaddr or unicast if the address we have is faked. Roy Marples <roy@marples.name> parents: 4187 diff changeset	780 !(state->added & STATE_FAKE))))
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;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	784 bootp->htype = (uint8_t)ifp->family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	785 switch (ifp->family) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	786 case ARPHRD_ETHER:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	787 case ARPHRD_IEEE802:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	788 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	789 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	790 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	791 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	792
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	793 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	794 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	795 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	796 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 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	798
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	799 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	800 struct timespec tv;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	801
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	802 clock_gettime(CLOCK_MONOTONIC, &tv);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	803 timespecsub(&tv, &state->started, &tv);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	804 if (tv.tv_sec < 0 \|\| tv.tv_sec > (time_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	805 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	806 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	807 bootp->secs = htons((uint16_t)tv.tv_sec);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	808 }
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 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	811
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	812 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	813 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	814
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	815 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	816 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	817
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	818 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	819 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	820 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	821
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	822 *p++ = DHO_MESSAGETYPE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	823 *p++ = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	824 *p++ = type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	825
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	826 #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	827 #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	828 #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	829 #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	830 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	831 *p++ = (o); \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	832 *p++ = 4; \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	833 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	834 p += 4; \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	835 } 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	836
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	837 if (state->clientid) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	838 AREA_CHECK(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	839 *p++ = DHO_CLIENTID;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	840 memcpy(p, state->clientid, (size_t)state->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	841 p += state->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	842 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	843
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	844 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	845 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	846 (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	847 (state->addr == NULL \|\|
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	848 state->added & STATE_FAKE \|\|
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	849 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	850 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	851 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	852 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	853 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	854 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	855
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	856 if (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	857 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	858 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	859 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	860 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	861
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	862 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	863 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	864 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	865 *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	866 *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	867 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	868 p += len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	869 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	870 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	871
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	872 if (type == DHCP_DISCOVER &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	873 !(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	874 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	875 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	876 /* RFC 4039 Section 3 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	877 AREA_CHECK(0);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	878 *p++ = DHO_RAPIDCOMMIT;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	879 *p++ = 0;
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	885 /* RFC 2563 Auto Configure */
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_DISCOVER && 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	887 AREA_CHECK(1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	888 *p++ = DHO_AUTOCONFIGURE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	889 *p++ = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	890 *p++ = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	891 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	892
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	893 if (type == DHCP_DISCOVER \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	894 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	895 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	896 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	897 if (mtu != -1) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	898 AREA_CHECK(2);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	899 *p++ = DHO_MAXMESSAGESIZE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	900 *p++ = 2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	901 sz = htons((uint16_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	902 memcpy(p, &sz, 2);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	903 p += 2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	904 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	905
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	906 if (ifo->userclass[0]) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	907 AREA_CHECK(ifo->userclass[0]);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	908 *p++ = DHO_USERCLASS;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	909 memcpy(p, ifo->userclass,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	910 (size_t)ifo->userclass[0] + 1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	911 p += ifo->userclass[0] + 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	912 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	913
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	914 if (ifo->vendorclassid[0]) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	915 AREA_CHECK(ifo->vendorclassid[0]);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	916 *p++ = DHO_VENDORCLASSID;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	917 memcpy(p, ifo->vendorclassid,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	918 (size_t)ifo->vendorclassid[0] + 1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	919 p += ifo->vendorclassid[0] + 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	920 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	921
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	922 if (ifo->mudurl[0]) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	923 AREA_CHECK(ifo->mudurl[0]);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	924 *p++ = DHO_MUDURL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	925 memcpy(p, ifo->mudurl, (size_t)ifo->mudurl[0] + 1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	926 p += ifo->mudurl[0] + 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	927 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	928
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	929 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	930 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	931 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	932 *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	933 *p++ = 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	934 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	935 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	936 p += 4;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	937 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	938 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	939
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	940 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	941
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	942 /*
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	943 * 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	944 * 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	945 * 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	946 * 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	947 * 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	948 * 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	949 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	950 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	951 /* 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	952 i = 3;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	953 if (hostname)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	954 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	955 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	956 *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	957 *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	958 /*
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	959 * Flags: 0000NEOS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	960 * 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	961 * 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	962 * 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	963 * 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	964 * 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	965 * 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	966 * update DNS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	967 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	968 if (hostname)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	969 *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	970 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	971 *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	972 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	973 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	974 if (hostname) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	975 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	976 p += i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	977 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	978 } 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	979 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	980 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	981 *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	982 *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	983 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	984 p += len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	985 }
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 /* vendor is already encoded correctly, so just add it */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	988 if (ifo->vendor[0]) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	989 AREA_CHECK(ifo->vendor[0]);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	990 *p++ = DHO_VENDOR;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	991 memcpy(p, ifo->vendor, (size_t)ifo->vendor[0] + 1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	992 p += ifo->vendor[0] + 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	993 }
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 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	996 if ((ifo->auth.options & DHCPCD_AUTH_SENDREQUIRE) !=
4726 ac7d83882d52 DHCP: Don't send force renew none or reconf accept if not asked for Roy Marples <roy@marples.name> parents: 4724 diff changeset	997 DHCPCD_AUTH_SENDREQUIRE &&
ac7d83882d52 DHCP: Don't send force renew none or reconf accept if not asked for Roy Marples <roy@marples.name> parents: 4724 diff changeset	998 !has_option_mask(ifo->nomask, DHO_FORCERENEW_NONCE))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	999 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1000 /* We support HMAC-MD5 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1001 AREA_CHECK(1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1002 *p++ = DHO_FORCERENEW_NONCE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1003 *p++ = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1004 *p++ = AUTH_ALG_HMAC_MD5;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1005 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1006 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1007
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1008 if (ifo->vivco_len) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1009 AREA_CHECK(sizeof(ul));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1010 *p++ = DHO_VIVCO;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1011 lp = p++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1012 *lp = sizeof(ul);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1013 ul = htonl(ifo->vivco_en);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1014 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	1015 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	1016 for (i = 0, vivco = ifo->vivco;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1017 i < ifo->vivco_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1018 i++, vivco++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1019 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1020 AREA_FIT(vivco->len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1021 if (vivco->len + 2 + *lp > 255) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1022 logerrx("%s: VIVCO option too big",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1023 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1024 free(bootp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1025 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1026 }
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)vivco->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, vivco->data, vivco->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 += vivco->len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1030 lp = (uint8_t)(lp + vivco->len + 1);
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1034 AREA_CHECK(0);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1035 *p++ = DHO_PARAMETERREQUESTLIST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1036 n_params = p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1037 *p++ = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1038 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	1039 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	1040 i++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1041 {
4724 d64400c59a28 DHCP: Don't request an automatically requested option if not wanted Roy Marples <roy@marples.name> parents: 4720 diff changeset	1042 if (!DHC_REQOPT(opt, ifo->requestmask, ifo->nomask))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1043 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1044 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	1045 (opt->option == DHO_RENEWALTIME \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1046 opt->option == DHO_REBINDTIME))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1047 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1048 AREA_FIT(1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1049 *p++ = (uint8_t)opt->option;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1050 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1051 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	1052 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	1053 i++, opt++)
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 /* Check if added above */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1056 for (lp = n_params + 1; lp < p; lp++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1057 if (*lp == (uint8_t)opt->option)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1058 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1059 if (lp < p)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1060 continue;
4724 d64400c59a28 DHCP: Don't request an automatically requested option if not wanted Roy Marples <roy@marples.name> parents: 4720 diff changeset	1061 if (!DHC_REQOPT(opt, ifo->requestmask, ifo->nomask))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1062 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1063 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	1064 (opt->option == DHO_RENEWALTIME \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1065 opt->option == DHO_REBINDTIME))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1066 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1067 AREA_FIT(1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1068 *p++ = (uint8_t)opt->option;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1069 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1070 *n_params = (uint8_t)(p - n_params - 1);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1071 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1072
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1073 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1074 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	1075 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	1076 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	1077 ssize_t alen = dhcp_auth_encode(&ifo->auth,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1078 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	1079 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	1080 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	1081 errno = ERANGE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1082 alen = -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1083 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1084 if (alen == -1)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1085 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	1086 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	1087 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	1088 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	1089 *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	1090 *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	1091 auth = p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1092 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	1093 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1094 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1095 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1096
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1097 *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	1098 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	1099
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1100 /* 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	1101 * 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	1102 * 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	1103 * 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	1104 * 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	1105 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	1106 *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	1107 len++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1108 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1109
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1110 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1111 if (ifo->auth.options & DHCPCD_AUTH_SEND && 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	1112 dhcp_auth_encode(&ifo->auth, 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	1113 (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	1114 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1115
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1116 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	1117
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1118 toobig:
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1119 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	1120 free(bootp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1121 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1122 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1123
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1124 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	1125 write_lease(const struct interface ifp, 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	1126 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1127 int fd;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1128 ssize_t bytes;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1129 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	1130
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1131 logdebugx("%s: writing lease `%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	1132
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1133 fd = open(state->leasefile, O_WRONLY \| O_CREAT \| O_TRUNC, 0644);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1134 if (fd == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1135 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1136 bytes = write(fd, bootp, len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1137 close(fd);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1138 return bytes;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1139 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1140
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1141 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	1142 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	1143 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1144 int fd;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1145 bool fd_opened;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1146 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	1147 struct bootp *lease;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1148 size_t bytes;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1149 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	1150 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1151 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	1152 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	1153 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1154
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1155 /* Safety */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1156 *bootp = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1157
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1158 if (state->leasefile[0] == '\0') {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1159 fd = fileno(stdin);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1160 fd_opened = false;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1161 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1162 fd = open(state->leasefile, O_RDONLY);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1163 fd_opened = true;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1164 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1165 if (fd == -1) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1166 if (errno != ENOENT)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1167 logerr("%s: open `%s'",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1168 ifp->name, state->leasefile);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1169 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1170 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1171 if (state->leasefile[0] == '\0')
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1172 logdebugx("reading standard input");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1173 else
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1174 logdebugx("%s: reading lease `%s'",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1175 ifp->name, state->leasefile);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1176
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1177 bytes = dhcp_read_lease_fd(fd, (void **)&lease);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1178 if (fd_opened)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1179 close(fd);
4693 4c494088b85e DHCP: Don't leak the malloc of the truncated lease file Roy Marples <roy@marples.name> parents: 4681 diff changeset	1180 if (bytes == 0)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1181 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1182
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1183 /* 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	1184 * 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	1185 * (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	1186 * 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	1187 * scribble whatever in the stored lease file. */
4900 5d4365759fbb DHCP: Ensure we have a lease to extract options from. Roy Marples <roy@marples.name> parents: 4829 diff changeset	1188 if (bytes < DHCP_MIN_LEN) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1189 free(lease);
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1190 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	1191 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1192 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1193
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1194 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	1195 goto out;
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 /* 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	1198 if (get_option_uint8(ifp->ctx, &type, (struct bootp *)lease, bytes,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1199 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	1200 type = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1201
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1202 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1203 /* 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	1204 auth = get_option(ifp->ctx, (struct bootp *)lease, bytes,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1205 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	1206 if (auth) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1207 if (dhcp_auth_validate(&state->auth, &ifp->options->auth,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1208 lease, bytes, 4, type, 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	1209 {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1210 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	1211 free(lease);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1212 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1213 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1214 if (state->auth.token)
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1215 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	1216 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	1217 else
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1218 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	1219 } 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	1220 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	1221 {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1222 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	1223 free(lease);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1224 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1225 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1226 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1227
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1228 out:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1229 bootp = (struct bootp )lease;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1230 return bytes;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1231 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1232
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1233 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	1234 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	1235 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1236 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	1237 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	1238
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1239 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	1240 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	1241 i++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1242 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1243 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	1244 return opt;
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 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1247 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1248
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1249 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	1250 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	1251 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	1252 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	1253 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1254 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	1255 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	1256
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1257 if (od) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1258 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	1259 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1260 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1261 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1262 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	1263 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	1264 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	1265 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	1266 errno = ERANGE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1267 return NULL;
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 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1270
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1271 *oopt = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1272 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	1273 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	1274 *oopt = opt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1275 break;
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 }
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 return od;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1280 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1281
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1282 ssize_t
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1283 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	1284 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	1285 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1286 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	1287 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	1288 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	1289 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	1290 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	1291 struct dhcp_opt opt, vo;
4538 8e383f84ebd0 Remove now unused variables. Roy Marples <roy@marples.name> parents: 4537 diff changeset	1292 size_t i, pl;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1293 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	1294 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	1295 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	1296
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1297 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	1298 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	1299 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	1300 overl = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1301
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1302 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	1303 /* 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	1304 * 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	1305 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	1306 if (efprintf(fenv, "%s_ip_address=%s",
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1307 prefix, inet_ntoa(addr)) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1308 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	1309 if (get_option_addr(ifp->ctx, &net,
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1310 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	1311 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	1312 if (efprintf(fenv, "%s_subnet_mask=%s",
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1313 prefix, inet_ntoa(net)) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1314 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	1315 }
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1316 if (efprintf(fenv, "%s_subnet_cidr=%d",
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1317 prefix, inet_ntocidr(net))== -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1318 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	1319 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	1320 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	1321 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1322 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	1323 if (efprintf(fenv, "%s_broadcast_address=%s",
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1324 prefix, inet_ntoa(brd)) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1325 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	1326 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1327 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	1328 if (efprintf(fenv, "%s_network_number=%s",
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1329 prefix, inet_ntoa(addr)) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1330 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	1331 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1332
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1333 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	1334 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	1335 bootp->file, sizeof(bootp->file));
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1336 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	1337 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	1338 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1339 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	1340 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	1341 bootp->sname, sizeof(bootp->sname));
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1342 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	1343 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	1344 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1345
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1346 /* Zero our indexes */
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1347 for (i = 0, opt = ifp->ctx->dhcp_opts;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1348 i < ifp->ctx->dhcp_opts_len;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1349 i++, opt++)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1350 dhcp_zero_index(opt);
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1351 for (i = 0, opt = ifp->options->dhcp_override;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1352 i < ifp->options->dhcp_override_len;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1353 i++, opt++)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1354 dhcp_zero_index(opt);
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1355 for (i = 0, opt = ifp->ctx->vivso;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1356 i < ifp->ctx->vivso_len;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1357 i++, opt++)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1358 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	1359
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1360 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	1361 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	1362 i++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1363 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1364 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	1365 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1366 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	1367 continue;
4166 3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1368 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	1369 if (p == NULL)
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1370 continue;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1371 dhcp_envoption(ifp->ctx, fenv, prefix, ifp->name,
4166 3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1372 opt, dhcp_getoption, p, pl);
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1373
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1374 if (opt->option != DHO_VIVSO \|\| pl <= (int)sizeof(uint32_t))
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1375 continue;
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1376 memcpy(&en, p, sizeof(en));
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1377 en = ntohl(en);
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1378 vo = vivso_find(en, ifp);
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1379 if (vo == NULL)
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1380 continue;
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1381 /* Skip over en + total size */
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1382 p += sizeof(en) + 1;
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1383 pl -= sizeof(en) + 1;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1384 dhcp_envoption(ifp->ctx, fenv, prefix, ifp->name,
4166 3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1385 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	1386 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1387
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1388 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	1389 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	1390 i++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1391 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1392 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	1393 continue;
4166 3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1394 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	1395 if (p == NULL)
3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1396 continue;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1397 dhcp_envoption(ifp->ctx, fenv, prefix, ifp->name,
4166 3d5e01232bf7 Make this more readable. Roy Marples <roy@marples.name> parents: 4163 diff changeset	1398 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	1399 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1400
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4524 diff changeset	1401 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	1402 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1403
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1404 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1405 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	1406 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	1407 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1408 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	1409
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1410 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	1411
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1412 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	1413 /* 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	1414 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	1415 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	1416 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	1417 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	1418 lease->mask = ifp->options->req_mask;
4207 d9c3c7008d20 ipv4: allow configuration of static broadcast address Roy Marples <roy@marples.name> parents: 4199 diff changeset	1419 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	1420 lease->brd = ifp->options->req_brd;
d9c3c7008d20 ipv4: allow configuration of static broadcast address Roy Marples <roy@marples.name> parents: 4199 diff changeset	1421 else
d9c3c7008d20 ipv4: allow configuration of static broadcast address Roy Marples <roy@marples.name> parents: 4199 diff changeset	1422 lease->brd.s_addr =
d9c3c7008d20 ipv4: allow configuration of static broadcast address Roy Marples <roy@marples.name> parents: 4199 diff changeset	1423 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	1424 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1425 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	1426
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1427 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	1428 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	1429 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	1430 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	1431 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1432 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1433 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	1434 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	1435 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	1436 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	1437 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	1438 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	1439 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	1440 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	1441 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1442 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	1443 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	1444 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	1445 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	1446 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	1447 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	1448 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	1449 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	1450 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	1451 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	1452 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	1453 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1454
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1455 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	1456 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	1457 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1458 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	1459
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1460 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	1461 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	1462 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	1463 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1464 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1465
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1466 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1467 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	1468 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1469 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	1470
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1471 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	1472 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	1473 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	1474 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1475
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1476 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1477 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	1478 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1479 struct dhcp_state *state;
4177 bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1480 const struct interface *ifp1;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1481 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	1482
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1483 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	1484 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	1485 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	1486 /* 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	1487 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	1488 (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	1489 sizeof(state->xid));
4177 bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1490 else {
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1491 again:
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1492 state->xid = arc4random();
4177 bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1493 }
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1494
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1495 /* Ensure it's unique */
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1496 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	1497 if (ifp == ifp1)
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 = D_CSTATE(ifp1)) == NULL)
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1500 continue;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1501 if (state1->xid == state->xid)
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1502 break;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1503 }
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1504 if (ifp1 != NULL) {
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1505 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	1506 ifp->hwlen >= sizeof(state->xid))
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1507 {
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1508 logerrx("%s: duplicate xid on %s",
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1509 ifp->name, ifp1->name);
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1510 return;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1511 }
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1512 goto again;
bce060648873 Ensure that xid is unique across all interfaces. Roy Marples <roy@marples.name> parents: 4171 diff changeset	1513 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1514
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1515 /* 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	1516 #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	1517 /* 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	1518 if (state->bpf_fd != -1) {
eed6b78ac418 Log bpf_arp and bpf_bootp failures. Roy Marples <roy@marples.name> parents: 4010 diff changeset	1519 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	1520 logerr(__func__); /* try to continue */
eed6b78ac418 Log bpf_arp and bpf_bootp failures. Roy Marples <roy@marples.name> parents: 4010 diff changeset	1521 }
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1522 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1523 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1524
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1525 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1526 dhcp_close(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	1527 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1528 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	1529
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1530 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	1531 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1532
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1533 if (state->bpf_fd != -1) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1534 eloop_event_delete(ifp->ctx->eloop, state->bpf_fd);
4002 c5685de01156 bpf: rewind the buffer on close Roy Marples <roy@marples.name> parents: 3999 diff changeset	1535 bpf_close(ifp, state->bpf_fd);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1536 state->bpf_fd = -1;
4169 07bfee79bd7a bpf: store flags in state for a better abort Roy Marples <roy@marples.name> parents: 4168 diff changeset	1537 state->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	1538 }
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1539 if (state->udp_fd != -1) {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1540 eloop_event_delete(ifp->ctx->eloop, state->udp_fd);
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1541 close(state->udp_fd);
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1542 state->udp_fd = -1;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1543 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1544
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1545 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	1546 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1547
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1548 static int
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1549 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	1550 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1551 int s;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1552 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	1553 int n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1554
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1555 if ((s = xsocket(PF_INET, SOCK_DGRAM\|SOCK_CLOEXEC, IPPROTO_UDP)) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1556 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1557
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1558 n = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1559 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	1560 goto errexit;
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1561 #ifdef IP_RECVIF
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1562 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	1563 goto errexit;
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1564 #else
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1565 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	1566 goto errexit;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1567 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1568 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	1569 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	1570 sin.sin_port = htons(BOOTPC);
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1571 if (ia != NULL)
0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1572 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	1573 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	1574 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	1575
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1576 return s;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1577
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1578 errexit:
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1579 close(s);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1580 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1581 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1582
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1583 static uint16_t
4675 5c59227c6c91 DHCP: Fix in_cksum for big endian Roy Marples <roy@marples.name> parents: 4642 diff changeset	1584 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	1585 {
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1586 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	1587 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	1588
3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1589 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	1590 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	1591
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1592 if (len == 1)
4676 d8a9fff079d6 Cast away a conversion warning with prior Roy Marples <roy@marples.name> parents: 4675 diff changeset	1593 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	1594
3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1595 if (isum != NULL)
3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1596 *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	1597
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1598 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	1599 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	1600
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	1601 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	1602 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1603
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1604 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	1605 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	1606 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	1607 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1608 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	1609 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	1610 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	1611
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1612 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	1613 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1614 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	1615 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	1616
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1617 /* 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	1618 * 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	1619 * 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	1620 * 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	1621 * 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	1622 * 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	1623 * 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	1624 * 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	1625
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1626 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	1627
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1628 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	1629 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	1630 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	1631 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	1632 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1633 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	1634
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1635 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	1636 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	1637 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	1638 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	1639 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	1640
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1641 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	1642 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	1643 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	1644 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	1645 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	1646 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	1647 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	1648 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	1649
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1650 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	1651 return udpp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1652 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1653
4187 73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1654 static ssize_t
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1655 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	1656 {
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1657 struct sockaddr_in sin = {
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1658 .sin_family = AF_INET,
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1659 .sin_addr = *to,
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1660 .sin_port = htons(BOOTPS),
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1661 #ifdef HAVE_SA_LEN
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1662 .sin_len = sizeof(sin),
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1663 #endif
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1664 };
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1665 struct iovec iov[] = {
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1666 { .iov_base = data, .iov_len = len }
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1667 };
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1668 struct msghdr msg = {
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1669 .msg_name = (void *)&sin,
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1670 .msg_namelen = sizeof(sin),
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1671 .msg_iov = iov,
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1672 .msg_iovlen = 1,
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1673 };
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1674 struct dhcp_state *state = D_STATE(ifp);
4187 73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1675 ssize_t r;
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1676 int fd;
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1677
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1678 fd = state->udp_fd;
e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1679 if (fd == -1) {
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1680 fd = dhcp_openudp(state->addr != NULL ?&state->addr->addr:NULL);
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1681 if (fd == -1)
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1682 return -1;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1683 }
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1684 r = sendmsg(fd, &msg, 0);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	1685 if (state->udp_fd == -1)
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1686 close(fd);
4187 73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1687 return r;
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1688 }
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1689
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1690 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1691 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	1692 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	1693 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1694 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	1695 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	1696 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	1697 struct bootp_pkt *udp;
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1698 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	1699 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	1700 struct in_addr from, to;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1701 struct timespec tv;
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1702
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1703 if (!callback) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1704 /* No carrier? Don't bother sending the packet. */
4355 226e00ec9457 link: introduce LINK_DOWN_IFFUP Roy Marples <roy@marples.name> parents: 4333 diff changeset	1705 if (ifp->carrier <= LINK_DOWN)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1706 return;
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1707 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	1708 ifp->name,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1709 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	1710 state->xid);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1711 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1712 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	1713 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	1714 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1715 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	1716 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	1717 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	1718 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1719 tv.tv_sec = state->interval + DHCP_RAND_MIN;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1720 tv.tv_nsec = (suseconds_t)arc4random_uniform(
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1721 (DHCP_RAND_MAX - DHCP_RAND_MIN) * NSEC_PER_SEC);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1722 timespecnorm(&tv);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1723 /* 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	1724 * However, we do need to advance the timeout. */
4355 226e00ec9457 link: introduce LINK_DOWN_IFFUP Roy Marples <roy@marples.name> parents: 4333 diff changeset	1725 if (ifp->carrier <= LINK_DOWN)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1726 goto fail;
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1727 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	1728 ifp->name,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1729 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	1730 state->xid,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1731 timespec_to_double(&tv));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1732 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1733
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1734 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	1735 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	1736 goto fail;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1737 len = (size_t)r;
4719 bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1738
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1739 if (!(state->added & STATE_FAKE) &&
0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1740 state->addr != NULL &&
0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	1741 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	1742 from.s_addr = state->lease.addr.s_addr;
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1743 else
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1744 from.s_addr = INADDR_ANY;
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1745 if (from.s_addr != INADDR_ANY &&
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1746 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	1747 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	1748 else
4719 bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1749 to.s_addr = INADDR_BROADCAST;
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1750
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1751 /*
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1752 * 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	1753 * only receive broadcast messages via BPF.
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1754 * 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	1755 * even if they are setup to send them.
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1756 * 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	1757 * 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	1758 * correctly configured to receive the unicast reply.
4719 bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1759 * 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	1760 * 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	1761 * 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	1762 * interface via IP_PKTINFO unlike for IPv6.
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1763 */
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1764 if (to.s_addr != INADDR_BROADCAST)
bb76c20ed3ac DHCP: Improve from/to address selection Roy Marples <roy@marples.name> parents: 4718 diff changeset	1765 {
4187 73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1766 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	1767 goto out;
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1768 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	1769 }
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1770
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1771 if (dhcp_openbpf(ifp) == -1)
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1772 goto out;
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1773
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1774 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	1775 if (udp == NULL) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1776 logerr("%s: dhcp_makeudppacket", ifp->name);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1777 r = 0;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1778 } else {
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1779 r = bpf_send(ifp, state->bpf_fd,
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1780 ETHERTYPE_IP, (uint8_t *)udp, ulen);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1781 free(udp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1782 }
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1783 /* 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	1784 * 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	1785 * for this interface.
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1786 * 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	1787 * stopping the interface. */
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1788 if (r == -1) {
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	1789 logerr("%s: bpf_send", ifp->name);
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1790 switch(errno) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1791 case ENETDOWN:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1792 case ENETRESET:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1793 case ENETUNREACH:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1794 case ENOBUFS:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1795 break;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1796 default:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1797 if (!(ifp->ctx->options & DHCPCD_TEST))
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1798 dhcp_drop(ifp, "FAIL");
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1799 eloop_timeout_delete(ifp->ctx->eloop,
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1800 NULL, ifp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	1801 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	1802 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1803 }
4187 73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1804
73de5e0edf30 dhcp: when unicasting, don't use a L2 broadcast Roy Marples <roy@marples.name> parents: 4177 diff changeset	1805 out:
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1806 free(bootp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1807
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1808 fail:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1809 /* 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	1810 * as our failure timeouts will change out codepath when needed. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1811 if (callback)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1812 eloop_timeout_add_tv(ifp->ctx->eloop, &tv, callback, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1813 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1814
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1815 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1816 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	1817 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1818
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1819 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	1820 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1821
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1822 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1823 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	1824 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1825
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1826 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	1827 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1828
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1829 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1830 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	1831 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1832
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1833 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	1834 }
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 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1837 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	1838 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1839
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1840 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	1841 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1842
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1843 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1844 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	1845 {
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 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	1848 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1849
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1850 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1851 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	1852 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1853 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	1854 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	1855 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	1856
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1857 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	1858 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	1859 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	1860 if (ifo->fallback)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1861 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	1862 ifo->reboot, dhcp_fallback, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1863 #ifdef IPV4LL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1864 else 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	1865 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	1866 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	1867 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1868 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	1869 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	1870 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	1871 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	1872 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	1873 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	1874 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	1875 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1876
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1877 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1878 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	1879 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1880 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	1881 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	1882
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1883 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	1884 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	1885 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1886
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1887 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1888 dhcp_expire1(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	1889 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1890 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	1891
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);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1893 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	1894 unlink(state->leasefile);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1895 state->interval = 0;
4355 226e00ec9457 link: introduce LINK_DOWN_IFFUP Roy Marples <roy@marples.name> parents: 4333 diff changeset	1896 if (!(ifp->options->options & DHCPCD_LINK) \|\| ifp->carrier > LINK_DOWN)
4102 36a663818cb0 Only start discovery on lease expiration if we have a carrier. Roy Marples <roy@marples.name> parents: 4077 diff changeset	1897 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	1898 }
4104 663d5c10781e Whitespace Roy Marples <roy@marples.name> parents: 4102 diff changeset	1899
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1900 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1901 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	1902 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1903 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	1904
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1905 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	1906 logwarnx("%s: DHCP lease expired, extending lease", ifp->name);
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1907 return;
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1908 }
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1909
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1910 logerrx("%s: DHCP lease expired", 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	1911 dhcp_expire1(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1912 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1913
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	1914 #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	1915 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1916 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	1917 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1918
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1919 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	1920 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1921 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1922
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1923 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1924 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	1925 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1926 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	1927 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	1928 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	1929
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1930 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	1931 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1932
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1933 /* 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	1934 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	1935 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	1936 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1937
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1938 /* 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	1939 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	1940
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1941 lease = &state->lease;
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	1942 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	1943 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	1944 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	1945 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	1946 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	1947 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	1948 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1949
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1950 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1951 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	1952 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1953
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1954 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	1955 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1956
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1957 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1958 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	1959 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1960 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	1961 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	1962 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	1963
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	1964 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	1965 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	1966 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	1967 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	1968 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	1969 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	1970 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	1971 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	1972 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	1973 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	1974 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1975
4584 978e3fbbec6c Fix compile on Linux without ARPING Roy Marples <roy@marples.name> parents: 4581 diff changeset	1976 #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	1977 static void
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1978 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	1979 {
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1980 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	1981
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1982 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	1983 return;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1984 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	1985 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1986
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	1987 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	1988 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	1989 dhcp_bind(ifp);
4485 9ba7f650a8f7 Merge branch 'dhcpcd-7' Roy Marples <roy@marples.name> parents: 4463 4481 diff changeset	1990 #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	1991 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1992 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	1993 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	1994
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1995 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	1996 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	1997 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	1998 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	1999 get_lease(ifp, &state->lease, state->new, state->new_len);
4457 8e41e487831d Linux: Fix compile Roy Marples <roy@marples.name> parents: 4453 diff changeset	2000 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	2001 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	2002 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	2003 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2004 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2005
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2006 /* If we forked, stop here. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2007 if (ifp->ctx->options & DHCPCD_FORKED)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2008 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2009
4287 2b519911f230 dhcp: Fix more fallout for builds without IPv4LL Roy Marples <roy@marples.name> parents: 4278 diff changeset	2010 #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	2011 /* 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	2012 ipv4ll_drop(ifp);
4287 2b519911f230 dhcp: Fix more fallout for builds without IPv4LL Roy Marples <roy@marples.name> parents: 4278 diff changeset	2013 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2014
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2015 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	2016 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	2017 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2018
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2019
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2020 static bool
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2021 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	2022 {
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2023 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	2024 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	2025 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	2026 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	2027 #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	2028 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	2029 #endif
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2030
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2031 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	2032 !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	2033 return deleted;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2034
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2035 /* 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	2036 logerrx("%s: DAD detected %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	2037 unlink(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	2038 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	2039 dhcp_decline(ifp);
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2040 #ifdef IN_IFF_DUPLICATED
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2041 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	2042 ipv4_deladdr(iap, 0);
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2043 deleted = true;
65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	2044 }
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2045 #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	2046 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	2047 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	2048 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	2049 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	2050 #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	2051 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	2052 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	2053 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	2054 }
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2055 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	2056 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	2057 return deleted;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2058 }
4584 978e3fbbec6c Fix compile on Linux without ARPING Roy Marples <roy@marples.name> parents: 4581 diff changeset	2059 #endif
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2060
4585 745c62847a59 Fix compile on NetBSD with ARP but not ARPING Roy Marples <roy@marples.name> parents: 4584 diff changeset	2061 #if defined(ARP) && (!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	2062 static void
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2063 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	2064 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2065 struct interface *ifp;
4581 f069d6d7f542 Fix build without ARP and/or ARPING Roy Marples <roy@marples.name> parents: 4567 diff changeset	2066 #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	2067 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	2068 struct if_options *ifo;
4581 f069d6d7f542 Fix build without ARP and/or ARPING Roy Marples <roy@marples.name> parents: 4567 diff changeset	2069 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2070
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2071 ifp = astate->iface;
4581 f069d6d7f542 Fix build without ARP and/or ARPING Roy Marples <roy@marples.name> parents: 4567 diff changeset	2072 #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	2073 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	2074 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	2075 if (ifo->arping_len && 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	2076 /* 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	2077 * 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	2078 * arping profile */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2079 if (++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	2080 astate->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	2081 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	2082 arp_probe(astate);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2083 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2084 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2085 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	2086 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	2087 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2088 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2089 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2090
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2091 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	2092 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2093
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2094 static void
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2095 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	2096 {
4457 8e41e487831d Linux: Fix compile Roy Marples <roy@marples.name> parents: 4453 diff changeset	2097 struct in_addr addr;
4581 f069d6d7f542 Fix build without ARP and/or ARPING Roy Marples <roy@marples.name> parents: 4567 diff changeset	2098 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	2099 #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	2100 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	2101 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	2102
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2103 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	2104
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2105 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	2106 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	2107 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	2108 amsg &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2109 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	2110 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2111 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	2112
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2113 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	2114 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	2115 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	2116 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2117 /* 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	2118 * 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	2119 * arping profile */
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2120 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	2121 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2122 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2123 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	2124 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	2125 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	2126 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2127 }
4581 f069d6d7f542 Fix build without ARP and/or ARPING Roy Marples <roy@marples.name> parents: 4567 diff changeset	2128 #else
f069d6d7f542 Fix build without ARP and/or ARPING Roy Marples <roy@marples.name> parents: 4567 diff changeset	2129 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	2130 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2131
4457 8e41e487831d Linux: Fix compile Roy Marples <roy@marples.name> parents: 4453 diff changeset	2132 addr = astate->addr;
8e41e487831d Linux: Fix compile Roy Marples <roy@marples.name> parents: 4453 diff changeset	2133 arp_free(astate);
4567 dda61c0a55f5 DHCP: On ARP duplication, ensure the interface pointer is valid Roy Marples <roy@marples.name> parents: 4562 diff changeset	2134 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	2135 }
4376 579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2136
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2137 #ifdef KERNEL_RFC5227
4376 579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2138 static void
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2139 dhcp_arp_announced(struct arp_state *state)
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2140 {
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2141
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2142 arp_free(state);
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2143 }
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2144 #endif /* KERNEL_RFC5227 */
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2145 #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	2146
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2147 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2148 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	2149 {
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2150 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	2151 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	2152 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	2153 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	2154
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2155 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	2156 /* 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	2157 * 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	2158 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	2159 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	2160 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	2161 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	2162 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	2163 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	2164 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	2165 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	2166 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2167 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	2168 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	2169 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	2170 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	2171 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	2172 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	2173 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	2174 } 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	2175 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	2176 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	2177 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	2178 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	2179 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2180 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	2181 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	2182 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	2183 lease->renewaltime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2184 lease->rebindtime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2185 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	2186 loginfox("%s: leased %s for infinity",
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2187 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	2188 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2189 if (lease->leasetime < DHCP_MIN_LEASE) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2190 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	2191 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	2192 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	2193 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2194 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	2195 lease->rebindtime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2196 (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	2197 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	2198 lease->rebindtime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2199 (uint32_t)(lease->leasetime * T2);
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2200 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	2201 "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	2202 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	2203 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2204 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	2205 lease->renewaltime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2206 (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	2207 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	2208 lease->renewaltime =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2209 (uint32_t)(lease->leasetime * T1);
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2210 logwarnx("%s: renewal time greater than "
746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2211 "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	2212 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	2213 }
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2214 if (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	2215 lease->addr.s_addr == state->addr->addr.s_addr &&
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2216 !(state->added & STATE_FAKE))
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	2217 logdebugx("%s: leased %s for %"PRIu32" seconds",
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2218 ifp->name, inet_ntoa(lease->addr),
746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2219 lease->leasetime);
746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2220 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	2221 loginfox("%s: leased %s for %"PRIu32" seconds",
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2222 ifp->name, inet_ntoa(lease->addr),
746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2223 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	2224 }
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 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	2227 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	2228 script_runreason(ifp, state->reason);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2229 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	2230 return;
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 if (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 (state->old && !(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	2234 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	2235 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	2236 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	2237 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	2238 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2239 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	2240 } 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	2241 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	2242 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2243 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	2244 }
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4549 diff changeset	2245 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	2246 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	2247 else {
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2248 eloop_timeout_add_sec(ctx->eloop,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2249 (time_t)lease->renewaltime, dhcp_startrenew, ifp);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2250 eloop_timeout_add_sec(ctx->eloop,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2251 (time_t)lease->rebindtime, dhcp_rebind, ifp);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2252 eloop_timeout_add_sec(ctx->eloop,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2253 (time_t)lease->leasetime, dhcp_expire, ifp);
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	2254 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	2255 " seconds",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2256 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	2257 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2258 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	2259 if (!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	2260 !(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	2261 if (write_lease(ifp, state->new, state->new_len) == -1)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2262 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	2263
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2264 ipv4_applyaddr(ifp);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2265
4681 c0b19aa0ee47 DHCP: Don't listen on the unspecified address when not in master mode Roy Marples <roy@marples.name> parents: 4677 diff changeset	2266 /* 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	2267 * on a UDP socket. */
4792 ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2268 if (!(state->udp_fd == -1 \|\|
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2269 (state->old != NULL && state->old->yiaddr != state->new->yiaddr)))
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2270 return;
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2271 dhcp_close(ifp);
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2272
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	2273
4792 ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2274 /* If not in master mode, open an address specific socket. */
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2275 if (ctx->udp_fd != -1)
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2276 return;
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	2277 state->udp_fd = dhcp_openudp(&state->addr->addr);
4792 ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2278 if (state->udp_fd == -1) {
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2279 logerr(__func__);
ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2280 /* 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	2281 * 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	2282 * 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	2283 * 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	2284 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	2285 return;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	2286 }
4792 ed9e1c73478f DHCP: Rework closing BPF and seeing if we need to open UDP Roy Marples <roy@marples.name> parents: 4791 diff changeset	2287 eloop_event_add(ctx->eloop, state->udp_fd, 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	2288 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2289
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2290 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2291 dhcp_lastlease(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2292 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2293 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	2294 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	2295
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	2296 loginfox("%s: timed out contacting a DHCP server, using last lease",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2297 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2298 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	2299 /* If we forked, stop here. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2300 if (ifp->ctx->options & DHCPCD_FORKED)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2301 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2302 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	2303 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	2304 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2305
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2306 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	2307 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	2308 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	2309 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2310 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	2311 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	2312
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2313 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	2314 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2315
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2316 (*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	2317 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	2318
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2319 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	2320 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	2321 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	2322
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2323 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	2324 *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	2325 *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	2326 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	2327 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	2328 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2329
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2330 *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	2331 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	2332 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2333
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2334 #ifdef ARP
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2335 #ifndef KERNEL_RFC5227
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2336 static void
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2337 dhcp_arp_defend_failed(struct arp_state *astate)
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2338 {
4998 2d8fdeec9674 DHCP: Take interface reference on Address Defend failure Roy Marples <roy@marples.name> parents: 4903 diff changeset	2339 struct interface *ifp = astate->iface;
2d8fdeec9674 DHCP: Take interface reference on Address Defend failure Roy Marples <roy@marples.name> parents: 4903 diff changeset	2340
2d8fdeec9674 DHCP: Take interface reference on Address Defend failure Roy Marples <roy@marples.name> parents: 4903 diff changeset	2341 dhcp_drop(ifp, "EXPIRED");
2d8fdeec9674 DHCP: Take interface reference on Address Defend failure Roy Marples <roy@marples.name> parents: 4903 diff changeset	2342 dhcp_start1(ifp);
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2343 }
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2344 #endif
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2345
4585 745c62847a59 Fix compile on NetBSD with ARP but not ARPING Roy Marples <roy@marples.name> parents: 4584 diff changeset	2346 #if !defined(KERNEL_RFC5227) \|\| defined(ARPING)
4376 579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2347 static struct arp_state *
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2348 dhcp_arp_new(struct interface ifp, struct in_addr addr)
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2349 {
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2350 struct arp_state *astate;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2351
4376 579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2352 astate = arp_new(ifp, addr);
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2353 if (astate == NULL)
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2354 return NULL;
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2355
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2356 astate->found_cb = dhcp_arp_found;
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2357 astate->not_found_cb = dhcp_arp_not_found;
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2358 #ifdef KERNEL_RFC5227
4376 579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2359 astate->announced_cb = dhcp_arp_announced;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2360 #else
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	2361 astate->announced_cb = NULL;
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2362 astate->defend_failed_cb = dhcp_arp_defend_failed;
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2363 #endif
4376 579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2364 return astate;
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	2365 }
4585 745c62847a59 Fix compile on NetBSD with ARP but not ARPING Roy Marples <roy@marples.name> parents: 4584 diff changeset	2366 #endif
4587 02c41622154f NetBSD: Allow dhcpcd to be built without ARP support Roy Marples <roy@marples.name> parents: 4585 diff changeset	2367 #endif /* ARP */
02c41622154f NetBSD: Allow dhcpcd to be built without ARP support Roy Marples <roy@marples.name> parents: 4585 diff changeset	2368
02c41622154f NetBSD: Allow dhcpcd to be built without ARP support Roy Marples <roy@marples.name> parents: 4585 diff changeset	2369 #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	2370 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2371 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	2372 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2373 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	2374 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	2375 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	2376
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2377 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	2378
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2379 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	2380 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	2381 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	2382 /* 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	2383 * 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	2384 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	2385 #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	2386 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	2387 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	2388 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	2389 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	2390
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2391 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	2392 /* 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	2393 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	2394 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	2395 } 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	2396 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	2397 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	2398 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	2399 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	2400 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2401 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2402 #else
4630 fe510f5ee194 ARP: Respect IFF_NOARP interface flag more Roy Marples <roy@marples.name> parents: 4617 diff changeset	2403 if (!(ifp->flags & IFF_NOARP) &&
fe510f5ee194 ARP: Respect IFF_NOARP interface flag more Roy Marples <roy@marples.name> parents: 4617 diff changeset	2404 ifp->options->options & DHCPCD_ARP &&
fe510f5ee194 ARP: Respect IFF_NOARP interface flag more Roy Marples <roy@marples.name> parents: 4617 diff changeset	2405 ia == NULL)
fe510f5ee194 ARP: Respect IFF_NOARP interface flag more Roy Marples <roy@marples.name> parents: 4617 diff changeset	2406 {
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2407 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	2408 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	2409
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2410 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	2411 if (astate == NULL)
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2412 return -1;
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2413
4191 30f5f070a4aa dhcp: set probe state only when probing. Roy Marples <roy@marples.name> parents: 4188 diff changeset	2414 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	2415 get_lease(ifp, &l, state->offer, state->offer_len);
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	2416 loginfox("%s: probing 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	2417 ifp->name, inet_ntoa(l.addr), inet_ntocidr(l.mask));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2418 /* We need to handle DAD. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2419 arp_probe(astate);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2420 return 0;
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 #endif
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 return 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2425 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2426
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2427 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2428 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	2429 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2430
4425 7cd9fb2bbbe3 DHCP: Dont really add static address in test mode Roy Marples <roy@marples.name> parents: 4377 diff changeset	2431 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	2432 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	2433 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	2434 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2435 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2436
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2437 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2438 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	2439 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2440 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	2441 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	2442 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	2443
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2444 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	2445 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	2446
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2447 ia = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2448 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	2449 (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	2450 {
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	2451 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	2452 "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	2453 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	2454 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	2455 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2456 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2457
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2458 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	2459 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	2460 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	2461 if (state->offer_len)
4587 02c41622154f NetBSD: Allow dhcpcd to be built without ARP support Roy Marples <roy@marples.name> parents: 4585 diff changeset	2462 #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	2463 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	2464 #else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2465 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	2466 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2467 }
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 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2470 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	2471 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2472 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	2473 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	2474 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	2475
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2476 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	2477 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	2478
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2479 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	2480 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	2481 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	2482 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	2483
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2484 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	2485 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	2486 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	2487 loginfox("%s: waiting for 3rd party to "
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2488 "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	2489 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2490 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	2491 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	2492 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	2493 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2494 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2495 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2496 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2497 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	2498 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	2499 if (ifp->ctx->options & DHCPCD_TEST) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2500 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	2501 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2502 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2503 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2504 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	2505 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	2506 /* 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	2507 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	2508 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	2509 &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	2510 #ifdef ARP
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	2511 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	2512 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2513 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2514 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	2515 &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	2516 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	2517 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2518 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2519
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2520 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	2521 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	2522 &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	2523 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	2524 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	2525 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	2526 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	2527 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2528 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2529
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2530 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2531 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	2532 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2533 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	2534 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	2535
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2536 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	2537 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2538 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	2539 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	2540 (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	2541 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	2542 (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	2543 !(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	2544 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2545 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	2546 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2547 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2548
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2549 #ifdef ARP
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2550 static int
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2551 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	2552 {
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2553 const struct interface *ifp1;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2554 const struct dhcp_state *state;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2555
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2556 TAILQ_FOREACH(ifp1, ifp->ctx->ifaces, next) {
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2557 if (ifp1 == ifp)
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2558 continue;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2559 if ((state = D_CSTATE(ifp1)) == NULL)
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2560 continue;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2561 switch(state->state) {
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2562 case DHS_REBOOT:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2563 case DHS_RENEW:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2564 case DHS_REBIND:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2565 case DHS_BOUND:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2566 case DHS_INFORM:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2567 break;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2568 default:
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2569 continue;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2570 }
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2571 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	2572 return 1;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2573 }
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2574 return 0;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2575 }
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2576 #endif
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2577
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2578 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2579 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	2580 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2581 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	2582 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	2583 #ifdef ARP
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2584 struct ipv4_addr *ia;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2585 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2586
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2587 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	2588 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2589 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	2590 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	2591 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	2592
4355 226e00ec9457 link: introduce LINK_DOWN_IFFUP Roy Marples <roy@marples.name> parents: 4333 diff changeset	2593 if (ifo->options & DHCPCD_LINK && ifp->carrier <= LINK_DOWN) {
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	2594 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	2595 return;
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 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	2598 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	2599 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2600 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2601 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	2602 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	2603 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	2604 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	2605 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2606 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2607 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	2608 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	2609 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2610 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2611 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	2612 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2613
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	2614 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	2615 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	2616
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2617 #ifdef ARP
4810 88ffa4a9431f DHCP: When rebinding ensure we have a DHCP ARP state Roy Marples <roy@marples.name> parents: 4792 diff changeset	2618 #ifndef KERNEL_RFC5227
88ffa4a9431f DHCP: When rebinding ensure we have a DHCP ARP state Roy Marples <roy@marples.name> parents: 4792 diff changeset	2619 /* 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	2620 (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	2621 #endif
88ffa4a9431f DHCP: When rebinding ensure we have a DHCP ARP state Roy Marples <roy@marples.name> parents: 4792 diff changeset	2622
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2623 /* 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	2624 * 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	2625 * interface gets the reply. */
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2626 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	2627 if (ia != NULL &&
4332 8777d91277fc dhcp: Don't ARP announce bound addresses when testing Roy Marples <roy@marples.name> parents: 4299 diff changeset	2628 !(ifp->ctx->options & DHCPCD_TEST) &&
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2629 #ifdef IN_IFF_NOTUSEABLE
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2630 !(ia->addr_flags & IN_IFF_NOTUSEABLE) &&
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2631 #endif
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2632 dhcp_activeaddr(ifp, &state->lease.addr) == 0)
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2633 arp_ifannounceaddr(ifp, &state->lease.addr);
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2634 #endif
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	2635
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2636 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	2637 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	2638 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	2639
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2640 #ifdef IPV4LL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2641 /* 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	2642 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	2643 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	2644 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	2645 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2646
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2647 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	2648 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	2649 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	2650 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	2651 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	2652 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	2653
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2654 /* 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	2655 * 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	2656 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	2657 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2658
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2659 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2660 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	2661 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2662 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	2663 #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	2664 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	2665 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2666
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2667 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	2668 /* 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	2669 * 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	2670 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	2671 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	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
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2675 #ifdef ARP
00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2676 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	2677 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	2678 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2679 #ifdef ARPING
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2680 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	2681 #endif
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	2682
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2683 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	2684 !(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	2685 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2686 /* 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	2687 * 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	2688 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	2689 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2690 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	2691
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2692 unlink(state->leasefile);
4355 226e00ec9457 link: introduce LINK_DOWN_IFFUP Roy Marples <roy@marples.name> parents: 4333 diff changeset	2693 if (ifp->carrier > LINK_DOWN &&
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2694 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	2695 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	2696 {
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	2697 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	2698 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	2699 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	2700 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	2701 #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	2702 /* 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	2703 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	2704 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	2705 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	2706 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2707 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2708 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2709
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_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	2711 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2712 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	2713 #endif
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2714
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2715 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	2716 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	2717 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	2718 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	2719 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	2720 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	2721 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	2722 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	2723 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	2724 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	2725 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	2726 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	2727 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	2728 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	2729 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	2730 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	2731 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	2732 }
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 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2735 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	2736 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2737 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	2738
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2739 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	2740 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	2741 return 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2742 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2743 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2744
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2745 #define WHTLST_NONE 0
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2746 #define WHTLST_MATCH 1
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2747 #define WHTLST_NOMATCH 2
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2748 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	2749 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	2750 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2751 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	2752
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2753 if (ifo->whitelist_len == 0)
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2754 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	2755 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	2756 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	2757 return WHTLST_MATCH;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2758 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	2759 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2760
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2761 static void
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2762 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	2763 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	2764 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	2765 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2766 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	2767 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	2768 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	2769 int r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2770 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	2771
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2772 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	2773 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	2774 if (a) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2775 char *tmp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2776 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	2777
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2778 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	2779 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	2780 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	2781 if (tmp == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2782 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	2783 free(a);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2784 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2785 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2786 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	2787 free(a);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2788 a = tmp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2789 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2790 } 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	2791 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	2792 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	2793 if (a == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	2794 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	2795 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2796 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2797 } else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2798 a = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2799
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2800 tfrom = "from";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2801 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	2802 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	2803 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	2804 overl = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2805 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	2806 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	2807 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	2808 if (a == NULL)
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2809 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	2810 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	2811 else
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2812 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	2813 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	2814 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2815 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	2816 tfrom = "via";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2817 addr = *from;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2818 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2819 if (a == NULL)
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2820 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	2821 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	2822 else
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2823 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	2824 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	2825 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2826 free(a);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2827 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2828
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2829 /* 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	2830 * 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	2831 * Try and re-direct it here. */
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2832 static void
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2833 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	2834 const struct in_addr *from)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2835 {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2836 struct interface *ifn;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2837 const struct dhcp_state *state;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2838 uint32_t xid;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2839
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2840 xid = ntohl(bootp->xid);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2841 TAILQ_FOREACH(ifn, ifp->ctx->ifaces, next) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2842 state = D_CSTATE(ifn);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2843 if (state == NULL \|\| state->state == DHS_NONE)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2844 continue;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2845 if (state->xid != xid)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2846 continue;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2847 if (ifn->hwlen <= sizeof(bootp->chaddr) &&
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2848 memcmp(bootp->chaddr, ifn->hwaddr, ifn->hwlen))
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2849 continue;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2850 logdebugx("%s: redirecting DHCP message to %s",
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2851 ifp->name, ifn->name);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2852 dhcp_handledhcp(ifn, bootp, bootp_len, from);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2853 }
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2854 }
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2855
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2856 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2857 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	2858 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	2859 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2860 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	2861 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	2862 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	2863 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	2864 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	2865 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	2866 char *msg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2867 bool bootp_copied;
3989 b05654495fd8 If auth is disabled, then disable FORCERENEW and RECONFIGURE_ACCEPT Roy Marples <roy@marples.name> parents: 3970 diff changeset	2868 #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	2869 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	2870 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	2871 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2872 #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	2873 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	2874 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2875
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2876 #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	2877 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	2878 #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	2879 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	2880
4736 4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2881 #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	2882 (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	2883
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2884 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	2885 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	2886 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	2887 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	2888 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2889 }
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2890
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2891 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	2892 if (IS_STATE_ACTIVE(state))
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2893 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	2894 ifp->name, ntohl(bootp->xid), state->xid,
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2895 inet_ntoa(*from));
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2896 dhcp_redirect_dhcp(ifp, bootp, bootp_len, from);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2897 return;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2898 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2899
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2900 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	2901 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	2902 {
4736 4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2903 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	2904 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	2905
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2906 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	2907 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	2908 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	2909 buf, sizeof(buf)));
4104f563fcc3 DHCP: Don't log diagnostics when state is not running Roy Marples <roy@marples.name> parents: 4731 diff changeset	2910 }
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2911 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	2912 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2913 }
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2914
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2915 if (!ifp->active)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2916 return;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2917
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2918 i = whitelisted_ip(ifp->options, from->s_addr);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2919 switch (i) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2920 case WHTLST_NOMATCH:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2921 logwarnx("%s: non whitelisted DHCP packet from %s",
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2922 ifp->name, inet_ntoa(*from));
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2923 return;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2924 case WHTLST_MATCH:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2925 break;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2926 case WHTLST_NONE:
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2927 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	2928 logwarnx("%s: blacklisted DHCP packet from %s",
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2929 ifp->name, inet_ntoa(*from));
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2930 return;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2931 }
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	2932 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2933
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2934 /* 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	2935 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	2936 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	2937 type = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2938 else if (ifo->options & DHCPCD_BOOTP) {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	2939 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	2940 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2941 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2942 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2943
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2944 #ifdef AUTH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2945 /* 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	2946 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	2947 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	2948 if (auth) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2949 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	2950 (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	2951 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	2952 {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2953 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	2954 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2955 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2956 if (state->auth.token)
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	2957 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	2958 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	2959 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	2960 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	2961 } 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	2962 if (ifo->auth.options & DHCPCD_AUTH_REQUIRE) {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2963 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	2964 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2965 }
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2966 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	2967 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2968 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2969
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2970 /* RFC 3203 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2971 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	2972 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	2973 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	2974 {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2975 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	2976 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2977 }
3989 b05654495fd8 If auth is disabled, then disable FORCERENEW and RECONFIGURE_ACCEPT Roy Marples <roy@marples.name> parents: 3970 diff changeset	2978 #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	2979 if (auth == NULL) {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2980 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	2981 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	2982 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2983 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2984 if (state->state != DHS_BOUND && state->state != DHS_INFORM) {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2985 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	2986 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2987 }
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2988 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	2989 /* 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	2990 * 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	2991 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	2992 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	2993 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2994 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	2995 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	2996 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	2997 }
3989 b05654495fd8 If auth is disabled, then disable FORCERENEW and RECONFIGURE_ACCEPT Roy Marples <roy@marples.name> parents: 3970 diff changeset	2998 #else
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	2999 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	3000 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3001 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3002 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3003
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3004 if (state->state == DHS_BOUND) {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3005 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	3006 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3007 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3008
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3009 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	3010 /* Ignore any DHCP messages whilst probing a lease to bind. */
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3011 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	3012 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3013 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3014
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3015 /* 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	3016 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	3017
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3018 /* 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	3019 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	3020 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	3021 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	3022 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	3023 {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3024 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	3025 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3026 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3027 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3028
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3029 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	3030 /* 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	3031 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	3032 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	3033 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	3034 {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3035 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	3036 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3037 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3038
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3039 /* We should restart on a NAK */
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3040 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	3041 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	3042 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	3043 {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3044 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	3045 free(msg);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3046 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3047 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	3048 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3049 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	3050 dhcp_drop(ifp, "NAK");
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3051 unlink(state->leasefile);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3052 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3053
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3054 /* 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	3055 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	3056 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	3057 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	3058 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	3059 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3060 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	3061 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	3062 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	3063 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3064 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3065 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3066
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3067 /* 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	3068 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	3069 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	3070 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	3071 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	3072 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3073 /* 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	3074 * 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	3075 * 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	3076 * 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	3077 * always true. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3078 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	3079 continue;
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3080 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	3081 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3082 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3083 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3084
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3085 /* 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	3086 if (type == DHCP_OFFER && bootp->yiaddr == 0) {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3087 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	3088 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	3089 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	3090 {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3091 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	3092 free(msg);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3093 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3094 #ifdef IPV4LL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3095 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	3096 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	3097 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	3098 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3099 switch (tmp) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3100 case 0:
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3101 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	3102 ipv4ll_drop(ifp);
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	3103 #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	3104 arp_drop(ifp);
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	3105 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3106 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3107 case 1:
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3108 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	3109 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	3110 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3111 default:
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3112 logerrx("%s: unknown auto configuration "
746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3113 "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	3114 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	3115 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3116 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3117 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	3118 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	3119 DHCP_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	3120 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3121 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3122 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3123 }
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 /* 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	3126 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	3127 (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	3128 &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3129 (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	3130 {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3131 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	3132 return;
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3135 #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	3136 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	3137 if (ia && ia->addr_flags & IN_IFF_DUPLICATED) {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3138 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	3139 if (type)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3140 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	3141 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	3142 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	3143 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	3144 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	3145 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3146 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3147 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3148
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3149 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	3150 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	3151 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	3152 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	3153 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	3154 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	3155 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	3156 &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	3157 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	3158
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3159 /* 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	3160 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	3161 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	3162 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	3163 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	3164 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3165 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	3166 goto rapidcommit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3167 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3168
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3169 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	3170 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	3171 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	3172 if ((state->offer = malloc(bootp_len)) == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3173 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	3174 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	3175 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3176 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3177 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3178 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	3179 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	3180 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	3181 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	3182 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	3183 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	3184 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	3185 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	3186 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	3187 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	3188 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	3189 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	3190 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	3191 eloop_exit(ifp->ctx->eloop, EXIT_SUCCESS);
4427 960c888a8c4f DHCP: abort BPF in test mode on receipt of message. Roy Marples <roy@marples.name> parents: 4425 diff changeset	3192 state->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	3193 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3194 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3195 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	3196 /* 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	3197 if (type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3198 /* 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	3199 * 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	3200 * 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	3201 * 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	3202 * 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	3203 * DISCOVER. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3204 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	3205 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3206 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3207 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3208
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3209 if (type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3210 if (type == DHCP_OFFER) {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3211 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	3212 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3213 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3214
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3215 /* 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	3216 if (type != DHCP_ACK) {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3217 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	3218 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3219 }
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 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	3222 /* 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	3223 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	3224 DHO_RAPIDCOMMIT) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3225 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	3226 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	3227 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	3228 else {
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3229 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	3230 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3231 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3232 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3233
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3234 rapidcommit:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3235 if (!(ifo->options & DHCPCD_INFORM))
5070 55164c3f5aae logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5053 diff changeset	3236 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	3237 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3238 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	3239 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3240
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3241 /* 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	3242 * 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	3243 * 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	3244 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	3245
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3246 /* 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	3247 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	3248 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	3249 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	3250 if ((state->offer = malloc(bootp_len)) == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3251 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	3252 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	3253 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3254 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3255 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3256 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	3257 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	3258 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3259
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3260 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	3261 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	3262
4587 02c41622154f NetBSD: Allow dhcpcd to be built without ARP support Roy Marples <roy@marples.name> parents: 4585 diff changeset	3263 #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	3264 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	3265 #else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3266 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	3267 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3268 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3269
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3270 static void *
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3271 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	3272 {
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3273 const struct ip *ip = packet;
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3274 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	3275 char *p = packet;
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3276
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3277 p += ip_hl + sizeof(struct udphdr);
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3278 *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	3279 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	3280 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3281
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3282 static bool
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3283 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	3284 {
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3285 struct ip *ip = packet;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3286 size_t ip_hlen;
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3287 struct udphdr udp;
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3288
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3289 if (plen < sizeof(*ip))
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3290 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3291
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3292 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	3293 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3294
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3295 /* Sanity. */
4762 d68ac6b143c5 dhcp: Allow for trailing FCS in the packet. Roy Marples <roy@marples.name> parents: 4761 diff changeset	3296 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	3297 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3298
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3299 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	3300 if (ip_hlen < sizeof(*ip))
6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3301 return false;
6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3302
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3303 /* 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	3304 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	3305 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3306
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3307 /* Sanity. */
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3308 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	3309 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	3310 return false;
5154 f6dc9654ac6b cast is not needed Roy Marples <roy@marples.name> parents: 5070 diff changeset	3311 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	3312 return false;
6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3313
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3314 /* 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	3315 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	3316 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3317
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3318 return true;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3319 }
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3320
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3321 /* Lengths have already been checked. */
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3322 static bool
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3323 checksums_valid(void *packet,
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3324 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	3325 {
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3326 struct ip *ip = packet;
4770 e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3327 union pip {
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3328 struct ip ip;
4775 9a29b37bc5cb DHCP: Fix prior to not waste space Sergei Trofimovich <slyfox@gentoo.org> parents: 4773 diff changeset	3329 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	3330 } pip = {
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3331 .ip.ip_p = IPPROTO_UDP,
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3332 .ip.ip_src = ip->ip_src,
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3333 .ip.ip_dst = ip->ip_dst,
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	3334 };
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3335 size_t ip_hlen;
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3336 struct udphdr udp;
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3337 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	3338 uint32_t csum;
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3339
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3340 if (from != NULL)
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3341 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	3342
5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3343 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	3344 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	3345 return false;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3346
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3347 if (flags & BPF_PARTIALCSUM)
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3348 return true;
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3349
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3350 udpp = (char *)ip + ip_hlen;
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3351 memcpy(&udp, udpp, sizeof(udp));
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3352 if (udp.uh_sum == 0)
4761 6fc5fe895c67 dhcp: Fix incoming verification and checksum routines Maxime Villard <max@m00nbsd.net> parents: 4757 diff changeset	3353 return true;
4605 5ed975095c4e IP: Work with IP headers with options. Roy Marples <roy@marples.name> parents: 4602 diff changeset	3354
4608 3aef2b50ef03 DHCP: Rework checksuming so that the packet isn't touched. Roy Marples <roy@marples.name> parents: 4605 diff changeset	3355 /* 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	3356 * 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	3357 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	3358 csum = 0;
4768 55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3359
55d113e3c287 DHCP: Fix aliasing issues accessing the UDP header Roy Marples <roy@marples.name> parents: 4762 diff changeset	3360 /* 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	3361 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	3362 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	3363
4773 44414d81f0c1 Typo, thanks to Arfrever. Roy Marples <roy@marples.name> parents: 4770 diff changeset	3364 /* 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	3365 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	3366 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	3367
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3368 #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	3369 /* Put the checksum back. */
4770 e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3370 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	3371 #endif
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3372
e9cb321935ac DHCP: Fix strict aliasing of checksumming the pseudo header Roy Marples <roy@marples.name> parents: 4768 diff changeset	3373 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	3374 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3375
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3376 static void
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3377 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	3378 struct in_addr *from)
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3379 {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3380 size_t v;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3381
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3382 if (len < offsetof(struct bootp, vend)) {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3383 logerrx("%s: truncated packet (%zu) from %s",
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3384 ifp->name, len, inet_ntoa(*from));
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3385 return;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3386 }
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3387
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3388 /* 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	3389 * area has at least 4 octets. */
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3390 v = len - offsetof(struct bootp, vend);
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3391 while (v < 4) {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3392 bootp->vend[v++] = '\0';
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3393 len++;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3394 }
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3395
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3396 dhcp_handledhcp(ifp, bootp, len, from);
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3397 }
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3398
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3399 static void
4829 0609c95174a7 DHCP: Improve API for privsep Roy Marples <roy@marples.name> parents: 4825 diff changeset	3400 dhcp_packet(struct interface ifp, uint8_t data, 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	3401 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3402 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	3403 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	3404 size_t udp_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3405 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	3406
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3407 /* Validate filter. */
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3408 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	3409 #ifdef BPF_DEBUG
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3410 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	3411 #endif
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3412 return;
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3413 }
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3414
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3415 if (!checksums_valid(data, &from, state->bpf_flags)) {
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3416 logerrx("%s: checksum failure from %s",
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4738 diff changeset	3417 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	3418 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3419 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3420
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3421 /*
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3422 * 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	3423 * 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	3424 * 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	3425 * 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	3426 * 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	3427 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3428 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	3429 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	3430 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3431
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3432 static void
4717 3cce06e28d99 DHCP: Rename dhcp_readpacket to dhcp_readbpf Roy Marples <roy@marples.name> parents: 4715 diff changeset	3433 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	3434 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3435 struct interface *ifp = arg;
5030 28bb50e31931 BPF: Don't use magic in buffer length assignments Roy Marples <roy@marples.name> parents: 5027 diff changeset	3436 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	3437 ssize_t bytes;
4169 07bfee79bd7a bpf: store flags in state for a better abort Roy Marples <roy@marples.name> parents: 4168 diff changeset	3438 struct dhcp_state *state = D_STATE(ifp);
5025 38495dc55a10 BPF: Return the frame header with the data Roy Marples <roy@marples.name> parents: 4998 diff changeset	3439 ssize_t fl = (ssize_t)bpf_frame_header_len(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3440
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3441 /* Some RAW mechanisms are generic file descriptors, not sockets.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3442 * This means we have no kernel call to just get one packet,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3443 * so we have to process the entire buffer. */
4169 07bfee79bd7a bpf: store flags in state for a better abort Roy Marples <roy@marples.name> parents: 4168 diff changeset	3444 state->bpf_flags &= ~BPF_EOF;
4171 4ff80b2bbba1 Fix prior patches by using correct bitmasks for flags. Roy Marples <roy@marples.name> parents: 4169 diff changeset	3445 state->bpf_flags \|= BPF_READING;
4169 07bfee79bd7a bpf: store flags in state for a better abort Roy Marples <roy@marples.name> parents: 4168 diff changeset	3446 while (!(state->bpf_flags & BPF_EOF)) {
07bfee79bd7a bpf: store flags in state for a better abort Roy Marples <roy@marples.name> parents: 4168 diff changeset	3447 bytes = bpf_read(ifp, state->bpf_fd, buf, sizeof(buf),
07bfee79bd7a bpf: store flags in state for a better abort Roy Marples <roy@marples.name> parents: 4168 diff changeset	3448 &state->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	3449 if (bytes == -1) {
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3450 if (state->state != DHS_NONE) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3451 logerr("%s: %s", __func__, ifp->name);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3452 dhcp_close(ifp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3453 }
4171 4ff80b2bbba1 Fix prior patches by using correct bitmasks for flags. Roy Marples <roy@marples.name> parents: 4169 diff changeset	3454 break;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3455 }
5157 9a50ab509182 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5154 diff changeset	3456 if (fl != 0) {
9a50ab509182 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5154 diff changeset	3457 if (bytes < fl) {
9a50ab509182 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5154 diff changeset	3458 logerrx("%s: %s: short frame header",
9a50ab509182 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5154 diff changeset	3459 __func__, ifp->name);
9a50ab509182 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5154 diff changeset	3460 break;
9a50ab509182 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5154 diff changeset	3461 }
9a50ab509182 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5154 diff changeset	3462 bytes -= fl;
9a50ab509182 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5154 diff changeset	3463 memmove(buf, buf + fl, (size_t)bytes);
5025 38495dc55a10 BPF: Return the frame header with the data Roy Marples <roy@marples.name> parents: 4998 diff changeset	3464 }
5157 9a50ab509182 DHCP: Avoid mis-aligned BOOTP structure Roy Marples <roy@marples.name> parents: 5154 diff changeset	3465 dhcp_packet(ifp, buf, (size_t)bytes);
3970 c31023f676be Fix a potential crash where the DHCP state could be freed during processing. Roy Marples <roy@marples.name> parents: 3960 diff changeset	3466 /* 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	3467 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	3468 break;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3469 }
4171 4ff80b2bbba1 Fix prior patches by using correct bitmasks for flags. Roy Marples <roy@marples.name> parents: 4169 diff changeset	3470 if (state != NULL)
4ff80b2bbba1 Fix prior patches by using correct bitmasks for flags. Roy Marples <roy@marples.name> parents: 4169 diff changeset	3471 state->bpf_flags &= ~BPF_READING;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3472 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3473
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3474 static void
4787 d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3475 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	3476 {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3477 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	3478 struct iovec *iov = &msg->msg_iov[0];
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3479 struct interface *ifp;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3480 const struct dhcp_state *state;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3481
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3482 ifp = if_findifpfromcmsg(ctx, msg, NULL);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3483 if (ifp == NULL) {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3484 logerr(__func__);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3485 return;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3486 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3487 state = D_CSTATE(ifp);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3488 if (state == NULL) {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3489 logdebugx("%s: received BOOTP for inactive interface",
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3490 ifp->name);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3491 return;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3492 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3493
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3494 if (state->bpf_fd != -1) {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3495 /* 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	3496 return;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3497 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3498
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3499 dhcp_handlebootp(ifp, (struct bootp *)iov->iov_base, iov->iov_len,
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3500 &from->sin_addr);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3501 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3502
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3503 static void
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3504 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	3505 {
4602 4315e1265f1c DragonFlyBSD: Fix compile Roy Marples <roy@marples.name> parents: 4594 diff changeset	3506 const struct dhcp_state *state;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3507 struct sockaddr_in from;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3508 unsigned char buf[10 * 1024]; /* Maximum MTU */
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3509 struct iovec iov = {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3510 .iov_base = buf,
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3511 .iov_len = sizeof(buf),
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3512 };
5159 f5dbfb2af80c align CMSG buffer Roy Marples <roy@marples.name> parents: 5157 diff changeset	3513 union {
f5dbfb2af80c align CMSG buffer Roy Marples <roy@marples.name> parents: 5157 diff changeset	3514 struct cmsghdr hdr;
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	3515 #ifdef IP_RECVIF
5159 f5dbfb2af80c align CMSG buffer Roy Marples <roy@marples.name> parents: 5157 diff changeset	3516 uint8_t buf[CMSG_SPACE(sizeof(struct sockaddr_dl))];
4784 e04f4fb2f967 BSD: Use IP_RECVIF Roy Marples <roy@marples.name> parents: 4782 diff changeset	3517 #else
5159 f5dbfb2af80c align CMSG buffer Roy Marples <roy@marples.name> parents: 5157 diff changeset	3518 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	3519 #endif
5159 f5dbfb2af80c align CMSG buffer Roy Marples <roy@marples.name> parents: 5157 diff changeset	3520 } cmsgbuf = { .buf = { 0 } };
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3521 struct msghdr msg = {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3522 .msg_name = &from, .msg_namelen = sizeof(from),
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3523 .msg_iov = &iov, .msg_iovlen = 1,
5563 da781e97946d DHCP: Fix reading RENEW messages from inet socket Roy Marples <roy@marples.name> parents: 5159 diff changeset	3524 .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	3525 };
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3526 int s;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3527 ssize_t bytes;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3528
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3529 if (ifp != NULL) {
4594 81f346f0e892 DHCP: Avoid duplicate read of packet Roy Marples <roy@marples.name> parents: 4587 diff changeset	3530 state = D_CSTATE(ifp);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3531 s = state->udp_fd;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3532 } else
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3533 s = ctx->udp_fd;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3534
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3535 bytes = recvmsg(s, &msg, 0);
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3536 if (bytes == -1) {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3537 logerr(__func__);
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3538 return;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3539 }
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3540
4787 d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3541 iov.iov_len = (size_t)bytes;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4786 diff changeset	3542 dhcp_recvmsg(ctx, &msg);
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3543 }
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3544
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3545 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	3546 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	3547 {
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3548 struct dhcpcd_ctx *ctx = arg;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3549
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3550 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	3551 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3552
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3553 static void
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3554 dhcp_handleifudp(void *arg)
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3555 {
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3556 struct interface *ifp = arg;
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3557
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3558 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	3559 }
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3560
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3561 static int
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3562 dhcp_open(struct dhcpcd_ctx *ctx)
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3563 {
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3564
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3565 if (ctx->udp_fd != -1 \|\| (ctx->udp_fd = dhcp_openudp(NULL)) == -1)
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3566 return ctx->udp_fd;
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3567
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3568 eloop_event_add(ctx->eloop, ctx->udp_fd, dhcp_handleudp, ctx);
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3569 return ctx->udp_fd;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3570 }
5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3571
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3572 static int
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3573 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	3574 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3575 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	3576
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3577 state = D_STATE(ifp);
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3578 if (state->bpf_fd != -1)
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3579 return 0;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3580
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3581 state->bpf_fd = bpf_open(ifp, bpf_bootp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3582 if (state->bpf_fd == -1) {
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3583 if (errno == ENOENT) {
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3584 logerrx("%s not found", bpf_name);
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3585 /* May as well disable IPv4 entirely at
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3586 * this point as we really need it. */
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3587 ifp->options->options &= ~DHCPCD_IPV4;
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3588 } else
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3589 logerr("%s: %s", __func__, ifp->name);
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3590 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	3591 }
4168 e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3592
e8510a89cdb2 dhcp: arp announce existing address before reboot Roy Marples <roy@marples.name> parents: 4167 diff changeset	3593 eloop_event_add(ifp->ctx->eloop,
4717 3cce06e28d99 DHCP: Rename dhcp_readpacket to dhcp_readbpf Roy Marples <roy@marples.name> parents: 4715 diff changeset	3594 state->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	3595 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3596 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3597
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3598 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3599 dhcp_dump(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	3600 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3601 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	3602
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3603 ifp->if_data[IF_DATA_DHCP] = state = calloc(1, sizeof(*state));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3604 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	3605 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3606 state->bpf_fd = -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3607 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	3608 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	3609 state->new_len = read_lease(ifp, &state->new);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3610 if (state->new == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3611 logerr("%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	3612 *ifp->name ? ifp->name : state->leasefile, __func__);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3613 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3614 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3615 state->reason = "DUMP";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3616 return 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	3617
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3618 eexit:
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3619 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	3620 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3621 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3622
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3623 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3624 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	3625 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3626 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	3627 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	3628
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3629 dhcp_close(ifp);
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	3630 #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	3631 arp_drop(ifp);
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	3632 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3633 if (state) {
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3634 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	3635 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	3636 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	3637 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	3638 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	3639 free(state);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3640 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3641
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3642 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	3643 /* 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	3644 * 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	3645 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	3646 TAILQ_FOREACH(ifp, ctx->ifaces, next) {
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3647 state = D_STATE(ifp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3648 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	3649 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3650 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3651 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3652 if (ifp == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3653 if (ctx->udp_fd != -1) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3654 eloop_event_delete(ctx->eloop, ctx->udp_fd);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3655 close(ctx->udp_fd);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3656 ctx->udp_fd = -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3657 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3658
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3659 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	3660 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	3661 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3662 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3663
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3664 static int
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3665 dhcp_initstate(struct interface *ifp)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3666 {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3667 struct dhcp_state *state;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3668
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3669 state = D_STATE(ifp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3670 if (state != NULL)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3671 return 0;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3672
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3673 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	3674 state = D_STATE(ifp);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3675 if (state == NULL)
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3676 return -1;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3677
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3678 state->state = DHS_NONE;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3679 /* 0 is a valid fd, so init to -1 */
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3680 state->bpf_fd = -1;
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3681 state->udp_fd = -1;
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3682 #ifdef ARPING
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3683 state->arping_index = -1;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3684 #endif
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3685 return 1;
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3686 }
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3687
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3688 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	3689 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	3690 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3691 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	3692 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	3693 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	3694 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	3695
2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4396 diff changeset	3696 if (dhcp_initstate(ifp) == -1)
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3697 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	3698
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	3699 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	3700 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	3701 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	3702 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	3703 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	3704 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	3705
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3706 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	3707 /* 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	3708 * 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	3709 if (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	3710 unlink(state->leasefile);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3711
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3712 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	3713 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	3714
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3715 if (*ifo->clientid) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3716 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	3717 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	3718 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3719 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	3720 (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	3721 } 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	3722 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	3723 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	3724 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	3725 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3726 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	3727 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	3728 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	3729 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	3730 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	3731 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3732 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	3733 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	3734 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	3735 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3736 state->clientid[0] = len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3737 state->clientid[1] = (uint8_t)ifp->family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3738 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	3739 ifp->hwlen);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3740 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3741 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3742
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3743 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	3744 /* 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	3745 * 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	3746 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3747
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3748 if (ifo->options & DHCPCD_CLIENTID)
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	3749 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	3750 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	3751 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	3752 else if (ifp->hwlen)
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	3753 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	3754 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	3755 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3756
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3757 eexit:
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3758 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	3759 return -1;
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3762 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3763 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	3764 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3765 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	3766 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	3767 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	3768 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	3769 struct stat st;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3770 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	3771 int nolease;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3772
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3773 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	3774 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3775
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3776 /* 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	3777 * 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	3778 * 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	3779 * for dhcpcd running on another interface. */
4791 3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3780 if (ctx->options & DHCPCD_MASTER) {
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3781 if (dhcp_open(ctx) == -1) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3782 /* Don't log an error if some other process
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3783 * is handling this. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3784 if (errno != EADDRINUSE)
4791 3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3785 logerr("%s: dhcp_open", __func__);
3ba8c76fc5af DHCP: Simplify opening the UDP port for all interfaces. Roy Marples <roy@marples.name> parents: 4787 diff changeset	3786 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3787 }
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 if (dhcp_init(ifp) == -1) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3790 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	3791 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3792 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3793
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3794 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	3795 clock_gettime(CLOCK_MONOTONIC, &state->started);
4224 595761ecbde0 dhcp: reset interval during init Roy Marples <roy@marples.name> parents: 4207 diff changeset	3796 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	3797 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	3798 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	3799 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	3800
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3801 #ifdef ARPING
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3802 if (ifo->arping_len && 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	3803 struct arp_state *astate;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3804
4376 579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	3805 astate = dhcp_arp_new(ifp, NULL);
579ab74cded9 DHCP: free the ARP state of the address once announced Roy Marples <roy@marples.name> parents: 4374 diff changeset	3806 if (astate)
4453 00fb50fd1a45 ARP: Refactor so that ACD is available for all inet addresses Roy Marples <roy@marples.name> parents: 4427 diff changeset	3807 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	3808 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3809 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3810 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3811
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3812 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	3813 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	3814 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3815 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3816
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3817 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	3818 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	3819 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3820 }
4373 5ebc4718f728 DHCP: Close the BPF socket once BOUND Roy Marples <roy@marples.name> parents: 4365 diff changeset	3821
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3822 /* 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	3823 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	3824 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	3825 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	3826 /* 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	3827 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	3828 #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	3829 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	3830 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	3831
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3832 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	3833 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	3834 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3835
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3836 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	3837 !(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	3838 #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	3839 (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	3840 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3841 (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	3842 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	3843 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3844 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	3845 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	3846 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	3847 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3848 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3849 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3850 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	3851 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	3852
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3853 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	3854 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	3855 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	3856 (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	3857 &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	3858 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3859 /* 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	3860 * 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	3861 * 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	3862 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	3863 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	3864 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	3865 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	3866 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	3867 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	3868 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	3869 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	3870 } else
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3871 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	3872 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3873 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	3874 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	3875 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	3876 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	3877 } 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	3878 state->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	3879 stat(state->leasefile, &st) == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3880 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3881 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	3882
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3883 /* 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	3884 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	3885 if (now == -1 \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3886 (time_t)state->lease.leasetime < now - st.st_mtime)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3887 {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	3888 logdebugx("%s: discarding expired lease",
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 4002 diff changeset	3889 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	3890 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	3891 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	3892 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	3893 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	3894 /* 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	3895 * 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	3896 * 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	3897 * 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	3898 * 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	3899 * 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	3900 * 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	3901 * 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	3902 * 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	3903 * 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	3904 * 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	3905 * 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	3906 #if 0
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3907 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	3908 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	3909 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3910 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3911 l = (uint32_t)(now - st.st_mtime);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3912 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	3913 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	3914 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	3915 }
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3919 #ifdef IPV4LL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3920 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	3921 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	3922 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	3923 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3924 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3925 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3926
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3927 if (state->offer == NULL \|\| !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	3928 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	3929 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3930 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	3931 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3932
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3933 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3934 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	3935 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3936 struct timespec tv;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3937 #ifdef ARPING
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3938 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	3939 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3940
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3941 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	3942 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3943
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3944 /* 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	3945 * 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	3946 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	3947 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	3948 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	3949 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	3950
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3951 /* 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	3952 * length is greater than BOOTP CHADDR then we enforce a ClientID
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3953 * of the hardware address family and the hardware address.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3954 * 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	3955 * 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	3956 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	3957 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	3958 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	3959 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	3960
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3961 /* 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	3962 * the broadcast option being set. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3963 switch (ifp->family) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3964 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	3965 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	3966 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	3967 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3968 }
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 /* 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	3971 * 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	3972 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	3973 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	3974
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3975 /* 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	3976 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	3977 !(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	3978 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3979 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	3980 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3981 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3982
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3983 #ifdef ARPING
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3984 /* 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	3985 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	3986 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	3987 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	3988 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3989 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3990 #endif
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 tv.tv_sec = DHCP_MIN_DELAY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3993 tv.tv_nsec = (suseconds_t)arc4random_uniform(
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3994 (DHCP_MAX_DELAY - DHCP_MIN_DELAY) * NSEC_PER_SEC);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3995 timespecnorm(&tv);
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4014 diff changeset	3996 logdebugx("%s: delaying IPv4 for %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	3997 ifp->name, timespec_to_double(&tv));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3998
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3999 eloop_timeout_add_tv(ifp->ctx->eloop, &tv, 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	4000 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4001
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4002 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4003 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	4004 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4005 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	4006
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4007 state = D_STATE(ifp);
4135 64796240ee75 arp: RFC5227 kernels need to send ARP too Roy Marples <roy@marples.name> parents: 4125 diff changeset	4008 #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	4009 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	4010 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	4011 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4012
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4013 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	4014
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4015 if (state != NULL && state->added) {
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4016 rt_build(ifp->ctx, AF_INET);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4017 #ifdef ARP
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4018 arp_announceaddr(ifp->ctx, &state->addr->addr);
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4019 #endif
d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4020 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4021 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4022
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4023 struct ipv4_addr *
4232 8b92c1844860 Log the pid of the process deleting an assigned address. Roy Marples <roy@marples.name> parents: 4224 diff changeset	4024 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	4025 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4026 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	4027 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	4028 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	4029 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	4030
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4031 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	4032 state = D_STATE(ifp);
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4108 diff changeset	4033 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	4034 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	4035
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4036 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	4037 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	4038 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	4039 ifp->name, pid, ia->saddr);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4040 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	4041 /* 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	4042 * 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	4043 dhcp_drop(ifp, "EXPIRE");
4242 9f4dc610f30c Really start dhcp on deletion of address. Roy Marples <roy@marples.name> parents: 4240 diff changeset	4044 dhcp_start1(ifp);
4782 8a9ec0631165 INET: Fix a potential memory leak Roy Marples <roy@marples.name> parents: 4775 diff changeset	4045 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	4046 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4047 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4048
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4049 if (cmd != RTM_NEWADDR)
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4050 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	4051
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4052 #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	4053 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	4054 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	4055 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	4056 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	4057 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4058
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4059 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	4060 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	4061 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	4062 dhcp_inform(ifp);
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4063 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	4064 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4065
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4066 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	4067 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	4068 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	4069 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	4070
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4071 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	4072 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	4073 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	4074 if (state->new == NULL)
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4075 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	4076 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	4077 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	4078 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	4079 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	4080 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	4081 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	4082 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	4083 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	4084 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	4085 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	4086 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	4087 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	4088 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	4089 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	4090 }
4737 65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4091
65679ce5c370 inet: Rework prior incase DHCP uses an IPv4LL address Roy Marples <roy@marples.name> parents: 4736 diff changeset	4092 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	4093 }

Mercurial > hg > dhcpcd

annotate src/dhcp.c @ 5563:da781e97946d draft dhcpcd-8