hg/dhcpcd: src/if-linux.c annotate

annotate src/if-linux.c @ 5534:605f7f9a20c0 draft

fix if_getnetworknamespace matching bug. (#19) Co-authored-by: Ted Feng <Ted.Feng@Aviatnet.com>

author	Ted Feng <artisdom@gmail.com>
date	Wed, 04 Nov 2020 11:31:40 +1300
parents	8f117781bb06
children	e65d193a1960

rev	line source
4548 c7df03794de3 Add SPDX identifiers to all dhcpcd source files. Yegor Yefremov <yegorslists@googlemail.com> parents: 4521 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 * Linux interface driver for dhcpcd
4922 555d7d1a4939 Welcome to 2020! Roy Marples <roy@marples.name> parents: 4916 diff changeset	4 * Copyright (c) 2006-2020 Roy Marples <roy@marples.name>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	5 * All rights reserved
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	6
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	7 * Redistribution and use in source and binary forms, with or without
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	8 * modification, are permitted provided that the following conditions
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	9 * are met:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	10 * 1. Redistributions of source code must retain the above copyright
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	11 * notice, this list of conditions and the following disclaimer.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	12 * 2. Redistributions in binary form must reproduce the above copyright
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	13 * notice, this list of conditions and the following disclaimer in the
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	14 * documentation and/or other materials provided with the distribution.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	15 *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	26 * SUCH DAMAGE.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	27 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	28
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	29 #include <asm/types.h> /* Needed for 2.4 kernels */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	30
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/types.h>
4052 08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	32 #include <sys/ioctl.h>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	33 #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	34 #include <sys/param.h>
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	35 #include <sys/stat.h>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	36
5130 d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	37 #include <linux/icmpv6.h>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	38 #include <linux/if_addr.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 <linux/if_link.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	40 #include <linux/if_packet.h>
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	41 #include <linux/if_tun.h>
4052 08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	42 #include <linux/if_vlan.h>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	43 #include <linux/filter.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	44 #include <linux/netlink.h>
4052 08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	45 #include <linux/sockios.h>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	46 #include <linux/rtnetlink.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	47
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	48 #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	49 #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	50 #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	51 #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	52 #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	53
4778 6640d0cfd4e0 Fix building on systems with musl (#10) Peter Bui <pbui@github.bx612.space> parents: 4757 diff changeset	54 /* musl has its own definition of struct ethhdr, so only include
6640d0cfd4e0 Fix building on systems with musl (#10) Peter Bui <pbui@github.bx612.space> parents: 4757 diff changeset	55 * netinet/if_ether.h on systems with GLIBC. For the ARPHRD constants,
6640d0cfd4e0 Fix building on systems with musl (#10) Peter Bui <pbui@github.bx612.space> parents: 4757 diff changeset	56 * we must include linux/if_arp.h instead. */
6640d0cfd4e0 Fix building on systems with musl (#10) Peter Bui <pbui@github.bx612.space> parents: 4757 diff changeset	57 #if defined(__GLIBC__)
6640d0cfd4e0 Fix building on systems with musl (#10) Peter Bui <pbui@github.bx612.space> parents: 4757 diff changeset	58 #include <netinet/if_ether.h>
6640d0cfd4e0 Fix building on systems with musl (#10) Peter Bui <pbui@github.bx612.space> parents: 4757 diff changeset	59 #else
6640d0cfd4e0 Fix building on systems with musl (#10) Peter Bui <pbui@github.bx612.space> parents: 4757 diff changeset	60 #include <linux/if_arp.h>
6640d0cfd4e0 Fix building on systems with musl (#10) Peter Bui <pbui@github.bx612.space> parents: 4757 diff changeset	61 #endif
6640d0cfd4e0 Fix building on systems with musl (#10) Peter Bui <pbui@github.bx612.space> parents: 4757 diff changeset	62
5457 7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	63 #include <dirent.h>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	64 #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	65 #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	66 #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	67 #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	68 #include <stddef.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 <stdio.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 <stdlib.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 <string.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 <time.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 <unistd.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	74
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	75 #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	76 #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	77 #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	78 #include "dev.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	79 #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	80 #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	81 #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	82 #include "ipv4ll.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	83 #include "ipv6.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	84 #include "ipv6nd.h"
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3965 diff changeset	85 #include "logerr.h"
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	86 #include "privsep.h"
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	87 #include "route.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	88 #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	89
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	90 #ifdef HAVE_NL80211_H
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	91 #include <linux/genetlink.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	92 #include <linux/nl80211.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	93 #else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	94 int if_getssid_wext(const char ifname, uint8_t ssid);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	95 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	96
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	97 /* Support older kernels */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	98 #ifndef IFLA_WIRELESS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	99 #define IFLA_WIRELESS (IFLA_MASTER + 1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	100 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	101
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	102 /* For some reason, glibc doesn't include newer flags from linux/if.h
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	103 * However, we cannot include linux/if.h directly as it conflicts
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	104 * with the glibc version. D'oh! */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	105 #ifndef IFF_LOWER_UP
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	106 #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	107 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	108
4366 702f7b1412c1 linux: Fix compile on old RedHat/CentOS systems Roy Marples <roy@marples.name> parents: 4335 diff changeset	109 /* Buggy CentOS and RedHat */
702f7b1412c1 linux: Fix compile on old RedHat/CentOS systems Roy Marples <roy@marples.name> parents: 4335 diff changeset	110 #ifndef SOL_NETLINK
702f7b1412c1 linux: Fix compile on old RedHat/CentOS systems Roy Marples <roy@marples.name> parents: 4335 diff changeset	111 #define SOL_NETLINK 270
702f7b1412c1 linux: Fix compile on old RedHat/CentOS systems Roy Marples <roy@marples.name> parents: 4335 diff changeset	112 #endif
702f7b1412c1 linux: Fix compile on old RedHat/CentOS systems Roy Marples <roy@marples.name> parents: 4335 diff changeset	113
5388 9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	114 /*
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	115 * Someone should fix kernel headers for clang alignment warnings.
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	116 * But this is unlikely.
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	117 * https://www.spinics.net/lists/netdev/msg646934.html
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	118 */
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	119
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	120 #undef NLA_ALIGNTO
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	121 #undef NLA_ALIGN
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	122 #undef NLA_HDRLEN
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	123 #define NLA_ALIGNTO 4U
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	124 #define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	125 #define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr)))
9bb47d579f62 Linux: redefine NLA_ALIGNTO as 4U Roy Marples <roy@marples.name> parents: 5387 diff changeset	126
4885 c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	127 #undef IFA_RTA
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	128 #define IFA_RTA(r) ((struct rtattr )(void )(((char *)(r)) \
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	129 + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	130 #undef IFLA_RTA
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	131 #define IFLA_RTA(r) ((struct rtattr )(void )(((char *)(r)) \
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	132 + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	133 #undef NLMSG_NEXT
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	134 #define NLMSG_NEXT(nlh, len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	135 (struct nlmsghdr )(void )(((char *)(nlh)) \
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	136 + NLMSG_ALIGN((nlh)->nlmsg_len)))
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	137 #undef RTM_RTA
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	138 #define RTM_RTA(r) (void )(((char )(r)) + NLMSG_ALIGN(sizeof(struct rtmsg)))
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	139 #undef RTA_NEXT
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	140 #define RTA_NEXT(rta, attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	141 (struct rtattr )(void )(((char *)(rta)) \
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	142 + RTA_ALIGN((rta)->rta_len)))
c6dd4ab0a843 Linux: work around alignment isses with clang Roy Marples <roy@marples.name> parents: 4884 diff changeset	143
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	144 struct priv {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	145 int route_fd;
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	146 int generic_fd;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	147 uint32_t route_pid;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	148 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	149
4147 dba5fa9d56cc Comment out IPoIB broadcast address with a comment. Roy Marples <roy@marples.name> parents: 4113 diff changeset	150 /* We need this to send a broadcast for InfiniBand.
dba5fa9d56cc Comment out IPoIB broadcast address with a comment. Roy Marples <roy@marples.name> parents: 4113 diff changeset	151 * Our old code used sendto, but our new code writes to a raw BPF socket.
dba5fa9d56cc Comment out IPoIB broadcast address with a comment. Roy Marples <roy@marples.name> parents: 4113 diff changeset	152 * What header structure does IPoIB use? */
dba5fa9d56cc Comment out IPoIB broadcast address with a comment. Roy Marples <roy@marples.name> parents: 4113 diff changeset	153 #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	154 /* Broadcast address for IPoIB */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	155 static const uint8_t ipv4_bcast_addr[] = {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	156 0x00, 0xff, 0xff, 0xff,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	157 0xff, 0x12, 0x40, 0x1b, 0x00, 0x00, 0x00, 0x00,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	158 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	159 };
4147 dba5fa9d56cc Comment out IPoIB broadcast address with a comment. Roy Marples <roy@marples.name> parents: 4113 diff changeset	160 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	161
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	162 static int if_addressexists(struct interface , struct in_addr );
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	163
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	164 #define PROC_INET6 "/proc/net/if_inet6"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	165 #define PROC_PROMOTE "/proc/sys/net/ipv4/conf/%s/promote_secondaries"
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	166 #define SYS_BRIDGE "/sys/class/net/%s/bridge/bridge_id"
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	167 #define SYS_LAYER2 "/sys/class/net/%s/device/layer2"
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	168 #define SYS_TUNTAP "/sys/class/net/%s/tun_flags"
3932 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 char *mproc =
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	171 #if defined(__alpha__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	172 "system type"
5382 294dba04aa07 Linux: support aarch64 for reading cpu info Roy Marples <roy@marples.name> parents: 5341 diff changeset	173 #elif defined(__arm__) \|\| defined(__aarch64__)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	174 "Hardware"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	175 #elif defined(__avr32__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	176 "cpu family"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	177 #elif defined(__bfin__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	178 "BOARD Name"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	179 #elif defined(__cris__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	180 "cpu model"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	181 #elif defined(__frv__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	182 "System"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	183 #elif defined(__i386__) \|\| defined(__x86_64__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	184 "vendor_id"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	185 #elif defined(__ia64__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	186 "vendor"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	187 #elif defined(__hppa__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	188 "model"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	189 #elif defined(__m68k__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	190 "MMU"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	191 #elif defined(__mips__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	192 "system type"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	193 #elif defined(__powerpc__) \|\| defined(__powerpc64__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	194 "machine"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	195 #elif defined(__s390__) \|\| defined(__s390x__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	196 "Manufacturer"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	197 #elif defined(__sh__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	198 "machine"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	199 #elif defined(sparc) \|\| defined(__sparc__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	200 "cpu"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	201 #elif defined(__vax__)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	202 "cpu"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	203 #else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	204 NULL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	205 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	206 ;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	207
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	208 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	209 if_machinearch(char *str, 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	210 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	211 FILE *fp;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	212 char buf[256];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	213
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	214 if (mproc == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	215 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	216 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	217 }
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 fp = fopen("/proc/cpuinfo", "r");
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	220 if (fp == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	221 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	222
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	223 while (fscanf(fp, "%255s : ", buf) != EOF) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	224 if (strncmp(buf, mproc, strlen(mproc)) == 0 &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	225 fscanf(fp, "%255s", buf) == 1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	226 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	227 fclose(fp);
5207 84b63f09c8a4 privsep: Handle all file IO in the Priviledged Actioneer Roy Marples <roy@marples.name> parents: 5178 diff changeset	228 return snprintf(str, len, "%s", buf);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	229 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	230 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	231 fclose(fp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	232 errno = ESRCH;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	233 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	234 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	235
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	236 static int
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	237 check_proc_int(struct dhcpcd_ctx ctx, const char path)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	238 {
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	239 char buf[64];
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	240 int error, i;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	241
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	242 if (dhcp_readfile(ctx, path, buf, sizeof(buf)) == -1)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	243 return -1;
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	244 i = (int)strtoi(buf, NULL, 0, INT_MIN, INT_MAX, &error);
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	245 if (error != 0 && error != ENOTSUP) {
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	246 errno = error;
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	247 return -1;
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	248 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	249 return i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	250 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	251
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	252 static int
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	253 check_proc_uint(struct dhcpcd_ctx ctx, const char path, unsigned int *u)
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	254 {
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	255 char buf[64];
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	256 int error;
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	257
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	258 if (dhcp_readfile(ctx, path, buf, sizeof(buf)) == -1)
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	259 return -1;
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	260 *u = (unsigned int)strtou(buf, NULL, 0, 0, UINT_MAX, &error);
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	261 if (error != 0 && error != ENOTSUP) {
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	262 errno = error;
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	263 return error;
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	264 }
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	265 return 0;
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	266 }
121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	267
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	268 static ssize_t
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	269 if_writepathuint(struct dhcpcd_ctx ctx, const char path, unsigned int val)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	270 {
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	271 char buf[64];
5264 868ac20cdbad Fix some memory issues with prior Roy Marples <roy@marples.name> parents: 5258 diff changeset	272 int len;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	273
5264 868ac20cdbad Fix some memory issues with prior Roy Marples <roy@marples.name> parents: 5258 diff changeset	274 len = snprintf(buf, sizeof(buf), "%u\n", val);
868ac20cdbad Fix some memory issues with prior Roy Marples <roy@marples.name> parents: 5258 diff changeset	275 if (len == -1)
868ac20cdbad Fix some memory issues with prior Roy Marples <roy@marples.name> parents: 5258 diff changeset	276 return -1;
868ac20cdbad Fix some memory issues with prior Roy Marples <roy@marples.name> parents: 5258 diff changeset	277 return dhcp_writefile(ctx, path, 0664, buf, (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	278 }
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 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	281 if_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	282 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	283 char path[sizeof(PROC_PROMOTE) + IF_NAMESIZE];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	284 int n;
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 /* We enable promote_secondaries so that we can do this
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	287 * add 192.168.1.2/24
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	288 * add 192.168.1.3/24
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	289 * del 192.168.1.2/24
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	290 * and the subnet mask moves onto 192.168.1.3/24
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	291 * This matches the behaviour of BSD which makes coding dhcpcd
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	292 * a little easier as there's just one behaviour. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	293 snprintf(path, sizeof(path), PROC_PROMOTE, ifp->name);
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	294 n = check_proc_int(ifp->ctx, path);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	295 if (n == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	296 return errno == ENOENT ? 0 : -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	297 if (n == 1)
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;
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	299 return if_writepathuint(ifp->ctx, path, 1) == -1 ? -1 : 0;
3932 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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	302 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	303 if_conf(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	304 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	305 char path[sizeof(SYS_LAYER2) + IF_NAMESIZE];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	306 int n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	307
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	308 /* Some qeth setups require the use of the broadcast flag. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	309 snprintf(path, sizeof(path), SYS_LAYER2, ifp->name);
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	310 n = check_proc_int(ifp->ctx, path);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	311 if (n == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	312 return errno == ENOENT ? 0 : -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	313 if (n == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	314 ifp->options->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	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
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	318 static bool
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	319 if_bridge(struct dhcpcd_ctx ctx, const char ifname)
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	320 {
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	321 char path[sizeof(SYS_BRIDGE) + IF_NAMESIZE], buf[64];
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	322
121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	323 snprintf(path, sizeof(path), SYS_BRIDGE, ifname);
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	324 if (dhcp_readfile(ctx, path, buf, sizeof(buf)) == -1)
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	325 return false;
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	326 return true;
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	327 }
121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	328
121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	329 static bool
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	330 if_tap(struct dhcpcd_ctx ctx, const char ifname)
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	331 {
121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	332 char path[sizeof(SYS_TUNTAP) + IF_NAMESIZE];
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	333 unsigned int u;
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	334
121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	335 snprintf(path, sizeof(path), SYS_TUNTAP, ifname);
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	336 if (check_proc_uint(ctx, path, &u) == -1)
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	337 return false;
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	338 return u & IFF_TAP;
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	339 }
121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	340
4747 c995401f5572 if: Ignore TAP interfaces by default Roy Marples <roy@marples.name> parents: 4721 diff changeset	341 bool
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	342 if_ignore(struct dhcpcd_ctx ctx, const char ifname)
4747 c995401f5572 if: Ignore TAP interfaces by default Roy Marples <roy@marples.name> parents: 4721 diff changeset	343 {
c995401f5572 if: Ignore TAP interfaces by default Roy Marples <roy@marples.name> parents: 4721 diff changeset	344
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	345 if (if_tap(ctx, ifname) \|\| if_bridge(ctx, ifname))
4750 121555ba3cbe Linux: Ignore TAP and Bridge interfaces by default Roy Marples <roy@marples.name> parents: 4748 diff changeset	346 return true;
4747 c995401f5572 if: Ignore TAP interfaces by default Roy Marples <roy@marples.name> parents: 4721 diff changeset	347 return false;
c995401f5572 if: Ignore TAP interfaces by default Roy Marples <roy@marples.name> parents: 4721 diff changeset	348 }
c995401f5572 if: Ignore TAP interfaces by default Roy Marples <roy@marples.name> parents: 4721 diff changeset	349
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	350 /* XXX work out Virtal Interface Masters */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	351 int
5215 c246c5e40b03 Fix compile on Linux and Solaris Roy Marples <roy@marples.name> parents: 5207 diff changeset	352 if_vimaster(__unused struct dhcpcd_ctx ctx, __unused const char ifname)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	353 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	354
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	355 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	356 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	357
4052 08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	358 unsigned short
08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	359 if_vlanid(const struct interface *ifp)
08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	360 {
08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	361 struct vlan_ioctl_args v;
08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	362
08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	363 memset(&v, 0, sizeof(v));
08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	364 strlcpy(v.device1, ifp->name, sizeof(v.device1));
08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	365 v.cmd = GET_VLAN_VID_CMD;
5460 5f999efcfe01 Linux: Use SIOCSIFVLAN rather than SIOCSIFVLAN Roy Marples <roy@marples.name> parents: 5458 diff changeset	366 if (ioctl(ifp->ctx->pf_inet_fd, SIOCGIFVLAN, &v) != 0)
4052 08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	367 return 0; /* 0 means no VLANID */
08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	368 return (unsigned short)v.u.VID;
08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	369 }
08038b46c0f5 Detect VLANID to use in IAID. Roy Marples <roy@marples.name> parents: 4026 diff changeset	370
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	371 int
5282 8afafcabcfa5 privsep: Drain the link socket as we can't re-open it. Roy Marples <roy@marples.name> parents: 5281 diff changeset	372 if_linksocket(struct sockaddr_nl *nl, int protocol, 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	373 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	374 int fd;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	375
5282 8afafcabcfa5 privsep: Drain the link socket as we can't re-open it. Roy Marples <roy@marples.name> parents: 5281 diff changeset	376 fd = xsocket(AF_NETLINK, SOCK_RAW \| SOCK_CLOEXEC \| flags, protocol);
8afafcabcfa5 privsep: Drain the link socket as we can't re-open it. Roy Marples <roy@marples.name> parents: 5281 diff changeset	377 if (fd == -1)
3932 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 nl->nl_family = AF_NETLINK;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	380 if (bind(fd, (struct sockaddr )nl, sizeof(nl)) == -1) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	381 close(fd);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	382 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	383 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	384 return fd;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	385 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	386
5457 7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	387 char *
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	388 if_getnetworknamespace(char *buf, size_t len)
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	389 {
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	390 struct stat sb_self, sb_netns;
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	391 DIR *dir;
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	392 struct dirent *de;
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	393 char file[PATH_MAX], *bufp = NULL;
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	394
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	395 if (stat("/proc/self/ns/net", &sb_self) == -1)
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	396 return NULL;
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	397
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	398 dir = opendir("/var/run/netns");
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	399 if (dir == NULL)
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	400 return NULL;
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	401
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	402 while ((de = readdir(dir)) != NULL) {
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	403 snprintf(file, sizeof(file), "/var/run/netns/%s", de->d_name);
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	404 if (stat(file, &sb_netns) == -1)
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	405 continue;
5534 605f7f9a20c0 fix if_getnetworknamespace matching bug. (#19) Ted Feng <artisdom@gmail.com> parents: 5533 diff changeset	406 if (sb_self.st_dev != sb_netns.st_dev \|\|
5457 7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	407 sb_self.st_ino != sb_netns.st_ino)
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	408 continue;
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	409 strlcpy(buf, de->d_name, len);
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	410 bufp = buf;
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	411 break;
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	412 }
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	413 closedir(dir);
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	414 return bufp;
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	415 }
7fb0274b9127 Linux: detect network namespace and deny udev in one Roy Marples <roy@marples.name> parents: 5414 diff changeset	416
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	417 int
5458 dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	418 os_init(void)
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	419 {
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	420 char netns[PATH_MAX], *p;
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	421
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	422 p = if_getnetworknamespace(netns, sizeof(netns));
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	423 if (p != NULL)
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	424 loginfox("network namespace: %s", p);
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	425
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	426 return 0;
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	427 }
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	428
dd8347a0ea1c Adjust prior so that message is logged before starting dev Roy Marples <roy@marples.name> parents: 5457 diff changeset	429 int
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	430 if_opensockets_os(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	431 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	432 struct priv *priv;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	433 struct sockaddr_nl snl;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	434 socklen_t len;
4323 40f11bb944d4 Linux: Use NETLINK_BROADCAST_ERROR Roy Marples <roy@marples.name> parents: 4293 diff changeset	435 #ifdef NETLINK_BROADCAST_ERROR
40f11bb944d4 Linux: Use NETLINK_BROADCAST_ERROR Roy Marples <roy@marples.name> parents: 4293 diff changeset	436 int on = 1;
40f11bb944d4 Linux: Use NETLINK_BROADCAST_ERROR Roy Marples <roy@marples.name> parents: 4293 diff changeset	437 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	438
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	439 /* Open the link socket first so it gets pid() for the socket.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	440 * Then open our persistent route socket so we get a unique
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	441 * pid that doesn't clash with a process id for after we fork. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	442 memset(&snl, 0, sizeof(snl));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	443 snl.nl_groups = RTMGRP_LINK;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	444
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	445 #ifdef INET
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	446 snl.nl_groups \|= RTMGRP_IPV4_ROUTE \| RTMGRP_IPV4_IFADDR;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	447 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	448 #ifdef INET6
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	449 snl.nl_groups \|= RTMGRP_IPV6_ROUTE \| RTMGRP_IPV6_IFADDR \| RTMGRP_NEIGH;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	450 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	451
5282 8afafcabcfa5 privsep: Drain the link socket as we can't re-open it. Roy Marples <roy@marples.name> parents: 5281 diff changeset	452 ctx->link_fd = if_linksocket(&snl, NETLINK_ROUTE, SOCK_NONBLOCK);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	453 if (ctx->link_fd == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	454 return -1;
4323 40f11bb944d4 Linux: Use NETLINK_BROADCAST_ERROR Roy Marples <roy@marples.name> parents: 4293 diff changeset	455 #ifdef NETLINK_BROADCAST_ERROR
4568 63aea27dd3bc Linux: Care about the return of setsockopt Roy Marples <roy@marples.name> parents: 4555 diff changeset	456 if (setsockopt(ctx->link_fd, SOL_NETLINK, NETLINK_BROADCAST_ERROR,
63aea27dd3bc Linux: Care about the return of setsockopt Roy Marples <roy@marples.name> parents: 4555 diff changeset	457 &on, sizeof(on)) == -1)
4569 5de548eda5ae Change prior to be non-fatal Roy Marples <roy@marples.name> parents: 4568 diff changeset	458 logerr("%s: NETLINK_BROADCAST_ERROR", __func__);
4323 40f11bb944d4 Linux: Use NETLINK_BROADCAST_ERROR Roy Marples <roy@marples.name> parents: 4293 diff changeset	459 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	460
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	461 if ((priv = calloc(1, sizeof(*priv))) == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	462 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	463
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	464 ctx->priv = priv;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	465 memset(&snl, 0, sizeof(snl));
5282 8afafcabcfa5 privsep: Drain the link socket as we can't re-open it. Roy Marples <roy@marples.name> parents: 5281 diff changeset	466 priv->route_fd = if_linksocket(&snl, NETLINK_ROUTE, 0);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	467 if (priv->route_fd == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	468 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	469 len = sizeof(snl);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	470 if (getsockname(priv->route_fd, (struct sockaddr *)&snl, &len) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	471 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	472 priv->route_pid = snl.nl_pid;
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	473
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	474 memset(&snl, 0, sizeof(snl));
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	475 priv->generic_fd = if_linksocket(&snl, NETLINK_GENERIC, 0);
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	476 if (priv->generic_fd == -1)
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	477 return -1;
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	478
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	479 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	480 }
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 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	483 if_closesockets_os(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	484 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	485 struct priv *priv;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	486
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	487 if (ctx->priv != NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	488 priv = (struct priv *)ctx->priv;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	489 close(priv->route_fd);
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	490 close(priv->generic_fd);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	491 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	492 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	493
4495 74aa6ad52b0d BSD: RTM_IFINFO is not emitted for all interfaces past unknown link Roy Marples <roy@marples.name> parents: 4421 diff changeset	494 int
4962 854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	495 if_setmac(struct interface ifp, void mac, uint8_t maclen)
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	496 {
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	497 struct ifreq ifr = {
5166 a70f6ddefe3c Rename ifp->family -> ifp->hwtype so it's less confusing Roy Marples <roy@marples.name> parents: 5153 diff changeset	498 .ifr_hwaddr.sa_family = ifp->hwtype,
4962 854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	499 };
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	500
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	501 if (ifp->hwlen != maclen \|\| maclen > sizeof(ifr.ifr_hwaddr.sa_data)) {
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	502 errno = EINVAL;
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	503 return -1;
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	504 }
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	505
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	506 strlcpy(ifr.ifr_name, ifp->name, sizeof(ifr.ifr_name));
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	507 memcpy(ifr.ifr_hwaddr.sa_data, mac, maclen);
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	508 return if_ioctl(ifp->ctx, SIOCSIFHWADDR, &ifr, sizeof(ifr));
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	509 }
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	510
854219946ad4 Linux: Support hardware address randomisation Roy Marples <roy@marples.name> parents: 4944 diff changeset	511 int
5486 8e2b8ce8c972 BSD: struct if_data->ifi_link_state is the single source of truth Roy Marples <roy@marples.name> parents: 5475 diff changeset	512 if_carrier(struct interface ifp, __unused const void ifadata)
4495 74aa6ad52b0d BSD: RTM_IFINFO is not emitted for all interfaces past unknown link Roy Marples <roy@marples.name> parents: 4421 diff changeset	513 {
74aa6ad52b0d BSD: RTM_IFINFO is not emitted for all interfaces past unknown link Roy Marples <roy@marples.name> parents: 4421 diff changeset	514
74aa6ad52b0d BSD: RTM_IFINFO is not emitted for all interfaces past unknown link Roy Marples <roy@marples.name> parents: 4421 diff changeset	515 return ifp->flags & IFF_RUNNING ? LINK_UP : LINK_DOWN;
74aa6ad52b0d BSD: RTM_IFINFO is not emitted for all interfaces past unknown link Roy Marples <roy@marples.name> parents: 4421 diff changeset	516 }
74aa6ad52b0d BSD: RTM_IFINFO is not emitted for all interfaces past unknown link Roy Marples <roy@marples.name> parents: 4421 diff changeset	517
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	518 int
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	519 if_getnetlink(struct dhcpcd_ctx ctx, struct iovec iov, int fd, int flags,
8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	520 int (cb)(struct dhcpcd_ctx , void , struct nlmsghdr ), void *cbarg)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	521 {
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	522 struct sockaddr_nl nladdr = { .nl_pid = 0 };
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	523 struct msghdr msg = {
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	524 .msg_name = &nladdr, .msg_namelen = sizeof(nladdr),
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	525 .msg_iov = iov, .msg_iovlen = 1,
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	526 };
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	527 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	528 struct nlmsghdr *nlm;
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	529 int 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	530 unsigned int again;
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	531 bool terminated;
3932 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 recv_again:
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	534 len = recvmsg(fd, &msg, flags);
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	535 if (len == -1 \|\| len == 0)
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	536 return (int)len;
3932 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 /* Check sender */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	539 if (msg.msg_namelen != sizeof(nladdr)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	540 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	541 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	542 }
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	543
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	544 /* Ignore message if it is not from kernel */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	545 if (nladdr.nl_pid != 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	546 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	547
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	548 again = 0;
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	549 terminated = false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	550 for (nlm = iov->iov_base;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	551 nlm && NLMSG_OK(nlm, (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	552 nlm = NLMSG_NEXT(nlm, len))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	553 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	554 again = (nlm->nlmsg_flags & NLM_F_MULTI);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	555 if (nlm->nlmsg_type == NLMSG_NOOP)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	556 continue;
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	557
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	558 if (nlm->nlmsg_type == NLMSG_ERROR) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	559 struct nlmsgerr *err;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	560
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	561 if (nlm->nlmsg_len - sizeof(nlm) < sizeof(err)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	562 errno = EBADMSG;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	563 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	564 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	565 err = (struct nlmsgerr *)NLMSG_DATA(nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	566 if (err->error != 0) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	567 errno = -err->error;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	568 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	569 }
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	570 again = 0;
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	571 terminated = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	572 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	573 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	574 if (nlm->nlmsg_type == NLMSG_DONE) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	575 again = 0;
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	576 terminated = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	577 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	578 }
5387 08cbef5c8e9e Linux: Warn if netlink(7) seq number doesn't match expectation. Roy Marples <roy@marples.name> parents: 5386 diff changeset	579 if (cb == NULL)
08cbef5c8e9e Linux: Warn if netlink(7) seq number doesn't match expectation. Roy Marples <roy@marples.name> parents: 5386 diff changeset	580 continue;
08cbef5c8e9e Linux: Warn if netlink(7) seq number doesn't match expectation. Roy Marples <roy@marples.name> parents: 5386 diff changeset	581 if (nlm->nlmsg_seq != (uint32_t)ctx->seq && fd != ctx->link_fd)
08cbef5c8e9e Linux: Warn if netlink(7) seq number doesn't match expectation. Roy Marples <roy@marples.name> parents: 5386 diff changeset	582 logwarnx("%s: received sequence %u, expecting %d",
08cbef5c8e9e Linux: Warn if netlink(7) seq number doesn't match expectation. Roy Marples <roy@marples.name> parents: 5386 diff changeset	583 __func__, nlm->nlmsg_seq, ctx->seq);
08cbef5c8e9e Linux: Warn if netlink(7) seq number doesn't match expectation. Roy Marples <roy@marples.name> parents: 5386 diff changeset	584 else
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	585 r = cb(ctx, cbarg, nlm);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	586 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	587
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	588 if ((again \|\| !terminated) && (ctx != NULL && ctx->link_fd != fd))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	589 goto recv_again;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	590
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	591 return r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	592 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	593
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	594 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	595 if_copyrt(struct dhcpcd_ctx ctx, struct rt rt, struct nlmsghdr *nlm)
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 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	598 struct rtmsg *rtm;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	599 struct rtattr *rta;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	600 unsigned int ifindex;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	601 struct sockaddr *sa;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	602
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	603 len = nlm->nlmsg_len - sizeof(*nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	604 if (len < sizeof(*rtm)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	605 errno = EBADMSG;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	606 return -1;
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 rtm = (struct rtmsg *)NLMSG_DATA(nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	609 if (rtm->rtm_table != RT_TABLE_MAIN)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	610 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	611
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	612 memset(rt, 0, sizeof(*rt));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	613 if (rtm->rtm_type == RTN_UNREACHABLE)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	614 rt->rt_flags \|= RTF_REJECT;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	615
4884 1378ef92e8bc Linux: remove some casts no longer needed Roy Marples <roy@marples.name> parents: 4840 diff changeset	616 rta = RTM_RTA(rtm);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	617 len = RTM_PAYLOAD(nlm);
4897 877cf2803035 Linux: Move RTA_OK and RTA_NEXT from a while to a for loop. Roy Marples <roy@marples.name> parents: 4885 diff changeset	618 for (; RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	619 sa = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	620 switch (rta->rta_type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	621 case RTA_DST:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	622 sa = &rt->rt_dest;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	623 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	624 case RTA_GATEWAY:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	625 sa = &rt->rt_gateway;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	626 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	627 case RTA_PREFSRC:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	628 sa = &rt->rt_ifa;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	629 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	630 case RTA_OIF:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	631 ifindex = (unsigned int )RTA_DATA(rta);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	632 rt->rt_ifp = if_findindex(ctx->ifaces, ifindex);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	633 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	634 case RTA_PRIORITY:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	635 rt->rt_metric = (unsigned int )RTA_DATA(rta);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	636 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	637 case RTA_METRICS:
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 struct rtattr *r2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	640 size_t l2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	641
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	642 l2 = rta->rta_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	643 r2 = (struct rtattr *)RTA_DATA(rta);
4897 877cf2803035 Linux: Move RTA_OK and RTA_NEXT from a while to a for loop. Roy Marples <roy@marples.name> parents: 4885 diff changeset	644 for (; RTA_OK(r2, l2); r2 = RTA_NEXT(r2, l2)) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	645 switch (r2->rta_type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	646 case RTAX_MTU:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	647 rt->rt_mtu = (unsigned int )RTA_DATA(r2);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	648 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	649 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	650 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	651 break;
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	655 if (sa != NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	656 socklen_t salen;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	657
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	658 sa->sa_family = rtm->rtm_family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	659 salen = sa_addrlen(sa);
4572 e438211a2b44 Linux: Work around a coverity issue Roy Marples <roy@marples.name> parents: 4569 diff changeset	660 /* sa is a union where sockaddr_in6 is the biggest. */
e438211a2b44 Linux: Work around a coverity issue Roy Marples <roy@marples.name> parents: 4569 diff changeset	661 /* coverity[overrun-buffer-arg] */
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	662 memcpy((char *)sa + sa_addroffset(sa), RTA_DATA(rta),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	663 MIN(salen, RTA_PAYLOAD(rta)));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	664 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	665 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	666
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	667 /* If no RTA_DST set the unspecified address for the family. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	668 if (rt->rt_dest.sa_family == AF_UNSPEC)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	669 rt->rt_dest.sa_family = rtm->rtm_family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	670
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	671 rt->rt_netmask.sa_family = rtm->rtm_family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	672 sa_fromprefix(&rt->rt_netmask, rtm->rtm_dst_len);
4293 63138e0b8d68 linux: set RTF_HOST correctly when reading kernel routes. Roy Marples <roy@marples.name> parents: 4292 diff changeset	673 if (sa_is_allones(&rt->rt_netmask))
63138e0b8d68 linux: set RTF_HOST correctly when reading kernel routes. Roy Marples <roy@marples.name> parents: 4292 diff changeset	674 rt->rt_flags \|= RTF_HOST;
3932 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 #if 0
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	677 if (rt->rtp_ifp == NULL && rt->src.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	678 struct ipv4_addr *ap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	679
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	680 /* For some reason the default route comes back with the
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	681 * loopback interface in RTA_OIF? Lets find it by
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	682 * preferred source address */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	683 if ((ap = ipv4_findaddr(ctx, &rt->src)))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	684 rt->iface = ap->iface;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	685 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	686 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	687
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	688 if (rt->rt_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 errno = ESRCH;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	690 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	691 }
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 }
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 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	696 link_route(struct dhcpcd_ctx ctx, __unused 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	697 struct nlmsghdr *nlm)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	698 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	699 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	700 int cmd;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	701 struct priv *priv;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	702 struct rt rt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	703
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	704 switch (nlm->nlmsg_type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	705 case RTM_NEWROUTE:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	706 cmd = RTM_ADD;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	707 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	708 case RTM_DELROUTE:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	709 cmd = RTM_DELETE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	710 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	711 default:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	712 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	713 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	714
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	715 len = nlm->nlmsg_len - sizeof(*nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	716 if (len < sizeof(struct rtmsg)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	717 errno = EBADMSG;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	718 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	719 }
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 /* Ignore messages we sent. */
4970 64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	722 #ifdef PRIVSEP
64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	723 if (ctx->ps_root_pid != 0 &&
64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	724 nlm->nlmsg_pid == (uint32_t)ctx->ps_root_pid)
64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	725 return 0;
64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	726 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	727 priv = (struct priv *)ctx->priv;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	728 if (nlm->nlmsg_pid == priv->route_pid)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	729 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	730
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	731 if (if_copyrt(ctx, &rt, nlm) == 0)
4421 1c0d24d49b16 route: log which pid deletes routes Roy Marples <roy@marples.name> parents: 4371 diff changeset	732 rt_recvrt(cmd, &rt, (pid_t)nlm->nlmsg_pid);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	733
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	734 return 0;
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	737 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	738 link_addr(struct dhcpcd_ctx ctx, struct interface ifp, struct nlmsghdr *nlm)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	739 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	740 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	741 struct rtattr *rta;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	742 struct ifaddrmsg *ifa;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	743 struct priv *priv;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	744 #ifdef INET
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	745 struct in_addr addr, net, brd;
5533 8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	746 int ret;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	747 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	748 #ifdef INET6
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	749 struct in6_addr addr6;
4779 66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	750 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	751 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	752
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	753 if (nlm->nlmsg_type != RTM_DELADDR && nlm->nlmsg_type != RTM_NEWADDR)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	754 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	755
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	756 len = nlm->nlmsg_len - sizeof(*nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	757 if (len < sizeof(*ifa)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	758 errno = EBADMSG;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	759 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	760 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	761
4985 d9cb0a6245a4 Only ignore address messages from ourself for deletion. Roy Marples <roy@marples.name> parents: 4982 diff changeset	762 /* Ignore address deletions from ourself.
d9cb0a6245a4 Only ignore address messages from ourself for deletion. Roy Marples <roy@marples.name> parents: 4982 diff changeset	763 * We need to process address flag changes though. */
d9cb0a6245a4 Only ignore address messages from ourself for deletion. Roy Marples <roy@marples.name> parents: 4982 diff changeset	764 if (nlm->nlmsg_type == RTM_DELADDR) {
4970 64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	765 #ifdef PRIVSEP
4985 d9cb0a6245a4 Only ignore address messages from ourself for deletion. Roy Marples <roy@marples.name> parents: 4982 diff changeset	766 if (ctx->ps_root_pid != 0 &&
d9cb0a6245a4 Only ignore address messages from ourself for deletion. Roy Marples <roy@marples.name> parents: 4982 diff changeset	767 nlm->nlmsg_pid == (uint32_t)ctx->ps_root_pid)
d9cb0a6245a4 Only ignore address messages from ourself for deletion. Roy Marples <roy@marples.name> parents: 4982 diff changeset	768 return 0;
4970 64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	769 #endif
4985 d9cb0a6245a4 Only ignore address messages from ourself for deletion. Roy Marples <roy@marples.name> parents: 4982 diff changeset	770 priv = (struct priv*)ctx->priv;
d9cb0a6245a4 Only ignore address messages from ourself for deletion. Roy Marples <roy@marples.name> parents: 4982 diff changeset	771 if (nlm->nlmsg_pid == priv->route_pid)
d9cb0a6245a4 Only ignore address messages from ourself for deletion. Roy Marples <roy@marples.name> parents: 4982 diff changeset	772 return 0;
d9cb0a6245a4 Only ignore address messages from ourself for deletion. Roy Marples <roy@marples.name> parents: 4982 diff changeset	773 }
3932 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 ifa = NLMSG_DATA(nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	776 if ((ifp = if_findindex(ctx->ifaces, ifa->ifa_index)) == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	777 /* We don't know about the interface the address is for
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	778 * so it's not really an error */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	779 return 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	780 }
4884 1378ef92e8bc Linux: remove some casts no longer needed Roy Marples <roy@marples.name> parents: 4840 diff changeset	781 rta = IFA_RTA(ifa);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	782 len = NLMSG_PAYLOAD(nlm, sizeof(*ifa));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	783 switch (ifa->ifa_family) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	784 #ifdef INET
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	785 case AF_INET:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	786 addr.s_addr = brd.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	787 inet_cidrtoaddr(ifa->ifa_prefixlen, &net);
4897 877cf2803035 Linux: Move RTA_OK and RTA_NEXT from a while to a for loop. Roy Marples <roy@marples.name> parents: 4885 diff changeset	788 for (; RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	789 switch (rta->rta_type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	790 case IFA_ADDRESS:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	791 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	792 memcpy(&brd.s_addr, RTA_DATA(rta),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	793 sizeof(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	794 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	795 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	796 case IFA_BROADCAST:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	797 memcpy(&brd.s_addr, RTA_DATA(rta),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	798 sizeof(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	799 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	800 case IFA_LOCAL:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	801 memcpy(&addr.s_addr, RTA_DATA(rta),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	802 sizeof(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	803 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	804 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	805 }
4779 66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	806
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	807 /* Validate RTM_DELADDR really means address deleted
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	808 * and anything else really means address exists. */
5533 8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	809 ret = if_addressexists(ifp, &addr);
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	810 if (ret == -1) {
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	811 logerr("if_addressexists: %s", inet_ntoa(addr));
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	812 break;
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	813 } else if (ret == 1) {
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	814 if (nlm->nlmsg_type == RTM_DELADDR)
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	815 break;
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	816 } else {
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	817 if (nlm->nlmsg_type != RTM_DELADDR)
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	818 break;
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	819 }
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	820
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	821 ipv4_handleifa(ctx, nlm->nlmsg_type, NULL, ifp->name,
4232 8b92c1844860 Log the pid of the process deleting an assigned address. Roy Marples <roy@marples.name> parents: 4229 diff changeset	822 &addr, &net, &brd, ifa->ifa_flags, (pid_t)nlm->nlmsg_pid);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	823 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	824 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	825 #ifdef INET6
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	826 case AF_INET6:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	827 memset(&addr6, 0, sizeof(addr6));
4897 877cf2803035 Linux: Move RTA_OK and RTA_NEXT from a while to a for loop. Roy Marples <roy@marples.name> parents: 4885 diff changeset	828 for (; RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	829 switch (rta->rta_type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	830 case IFA_ADDRESS:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	831 memcpy(&addr6.s6_addr, RTA_DATA(rta),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	832 sizeof(addr6.s6_addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	833 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	834 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	835 }
4779 66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	836
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	837 /* Validate RTM_DELADDR really means address deleted
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	838 * and anything else really means address exists. */
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	839 flags = if_addrflags6(ifp, &addr6, NULL);
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	840 if (nlm->nlmsg_type == RTM_DELADDR) {
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	841 if (flags != -1)
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	842 break;
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	843 } else {
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	844 if (flags == -1)
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	845 break;
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	846 }
66684c1c08bd Linux: Validate RTM_DELADDR/RTM_NEWADDR messages for IPv6 Roy Marples <roy@marples.name> parents: 4778 diff changeset	847
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	848 ipv6_handleifa(ctx, nlm->nlmsg_type, NULL, ifp->name,
4232 8b92c1844860 Log the pid of the process deleting an assigned address. Roy Marples <roy@marples.name> parents: 4229 diff changeset	849 &addr6, ifa->ifa_prefixlen, ifa->ifa_flags,
8b92c1844860 Log the pid of the process deleting an assigned address. Roy Marples <roy@marples.name> parents: 4229 diff changeset	850 (pid_t)nlm->nlmsg_pid);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	851 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	852 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	853 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	854 return 0;
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	857 static uint8_t
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	858 l2addr_len(unsigned short if_type)
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 switch (if_type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	862 case ARPHRD_ETHER: /* FALLTHROUGH */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	863 case ARPHRD_IEEE802: /FALLTHROUGH /
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	864 case ARPHRD_IEEE80211:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	865 return 6;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	866 case ARPHRD_IEEE1394:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	867 return 8;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	868 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	869 return 20;
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 /* Impossible */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	873 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	874 }
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 #ifdef INET6
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	877 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	878 link_neigh(struct dhcpcd_ctx ctx, __unused 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	879 struct nlmsghdr *nlm)
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 struct ndmsg *r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	882 struct rtattr *rta;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	883 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	884
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	885 if (nlm->nlmsg_type != RTM_NEWNEIGH && nlm->nlmsg_type != RTM_DELNEIGH)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	886 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	887 if (nlm->nlmsg_len < sizeof(*r))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	888 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	889
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	890 r = NLMSG_DATA(nlm);
4884 1378ef92e8bc Linux: remove some casts no longer needed Roy Marples <roy@marples.name> parents: 4840 diff changeset	891 rta = RTM_RTA(r);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	892 len = RTM_PAYLOAD(nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	893 if (r->ndm_family == AF_INET6) {
5115 bc8b0d0c68af Linux: improve IPv6 router reachability Roy Marples <roy@marples.name> parents: 5064 diff changeset	894 bool unreachable;
4669 ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4636 diff changeset	895 struct in6_addr addr6;
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4636 diff changeset	896
5115 bc8b0d0c68af Linux: improve IPv6 router reachability Roy Marples <roy@marples.name> parents: 5064 diff changeset	897 unreachable = (nlm->nlmsg_type == RTM_NEWNEIGH &&
bc8b0d0c68af Linux: improve IPv6 router reachability Roy Marples <roy@marples.name> parents: 5064 diff changeset	898 r->ndm_state & NUD_FAILED);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	899 memset(&addr6, 0, sizeof(addr6));
4897 877cf2803035 Linux: Move RTA_OK and RTA_NEXT from a while to a for loop. Roy Marples <roy@marples.name> parents: 4885 diff changeset	900 for (; RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	901 switch (rta->rta_type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	902 case NDA_DST:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	903 memcpy(&addr6.s6_addr, RTA_DATA(rta),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	904 sizeof(addr6.s6_addr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	905 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	906 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	907 }
5115 bc8b0d0c68af Linux: improve IPv6 router reachability Roy Marples <roy@marples.name> parents: 5064 diff changeset	908 ipv6nd_neighbour(ctx, &addr6, !unreachable);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	909 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	910
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	911 return 0;
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 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	914
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	915 static int
4521 9a0884e8ab97 linux: use correct prototype Roy Marples <roy@marples.name> parents: 4511 diff changeset	916 link_netlink(struct dhcpcd_ctx ctx, void arg, struct nlmsghdr *nlm)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	917 {
4521 9a0884e8ab97 linux: use correct prototype Roy Marples <roy@marples.name> parents: 4511 diff changeset	918 struct interface *ifp = arg;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	919 int r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	920 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	921 struct rtattr rta, hwaddr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	922 struct ifinfomsg *ifi;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	923 char ifn[IF_NAMESIZE + 1];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	924
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	925 r = link_route(ctx, ifp, nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	926 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	927 return r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	928 r = link_addr(ctx, ifp, nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	929 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	930 return r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	931 #ifdef INET6
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	932 r = link_neigh(ctx, ifp, nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	933 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	934 return r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	935 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	936
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	937 if (nlm->nlmsg_type != RTM_NEWLINK && nlm->nlmsg_type != RTM_DELLINK)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	938 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	939 len = nlm->nlmsg_len - sizeof(*nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	940 if ((size_t)len < sizeof(*ifi)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	941 errno = EBADMSG;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	942 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	943 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	944 ifi = NLMSG_DATA(nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	945 if (ifi->ifi_flags & IFF_LOOPBACK)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	946 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	947 rta = (void )((char )ifi + NLMSG_ALIGN(sizeof(*ifi)));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	948 len = NLMSG_PAYLOAD(nlm, sizeof(*ifi));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	949 *ifn = '\0';
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	950 hwaddr = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	951
4897 877cf2803035 Linux: Move RTA_OK and RTA_NEXT from a while to a for loop. Roy Marples <roy@marples.name> parents: 4885 diff changeset	952 for (; RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	953 switch (rta->rta_type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	954 case IFLA_WIRELESS:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	955 /* Ignore wireless messages */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	956 if (nlm->nlmsg_type == RTM_NEWLINK &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	957 ifi->ifi_change == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	958 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	959 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	960 case IFLA_IFNAME:
4015 6aa00a675750 Cast away a coverity issue. Roy Marples <roy@marples.name> parents: 4010 diff changeset	961 strlcpy(ifn, (char *)RTA_DATA(rta), sizeof(ifn));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	962 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	963 case IFLA_ADDRESS:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	964 hwaddr = rta;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	965 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	966 }
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	969 if (nlm->nlmsg_type == RTM_DELLINK) {
5285 7754eb6cd2eb Linux: File compile without plugins Julian Wollrath <julian@haerkules.de> parents: 5282 diff changeset	970 #ifdef PLUGIN_DEV
4257 29971caaafc9 Linux: If listening to dev manager, let it remove interfaces Roy Marples <roy@marples.name> parents: 4255 diff changeset	971 /* If are listening to a dev manager, let that remove
29971caaafc9 Linux: If listening to dev manager, let it remove interfaces Roy Marples <roy@marples.name> parents: 4255 diff changeset	972 * the interface rather than the kernel. */
29971caaafc9 Linux: If listening to dev manager, let it remove interfaces Roy Marples <roy@marples.name> parents: 4255 diff changeset	973 if (dev_listening(ctx) < 1)
5285 7754eb6cd2eb Linux: File compile without plugins Julian Wollrath <julian@haerkules.de> parents: 5282 diff changeset	974 #endif
4257 29971caaafc9 Linux: If listening to dev manager, let it remove interfaces Roy Marples <roy@marples.name> parents: 4255 diff changeset	975 dhcpcd_handleinterface(ctx, -1, ifn);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	976 return 0;
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	979 /* Virtual interfaces may not get a valid hardware address
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	980 * at this point.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	981 * To trigger a valid hardware address pickup we need to pretend
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	982 * that that don't exist until they have one. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	983 if (ifi->ifi_flags & IFF_MASTER && !hwaddr) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	984 dhcpcd_handleinterface(ctx, -1, ifn);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	985 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	986 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	987
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	988 /* Check for a new interface */
4255 8524a8375483 Linux: Improve interface renaming Roy Marples <roy@marples.name> parents: 4232 diff changeset	989 ifp = if_findindex(ctx->ifaces, (unsigned int)ifi->ifi_index);
8524a8375483 Linux: Improve interface renaming Roy Marples <roy@marples.name> parents: 4232 diff changeset	990 if (ifp == NULL) {
5285 7754eb6cd2eb Linux: File compile without plugins Julian Wollrath <julian@haerkules.de> parents: 5282 diff changeset	991 #ifdef PLUGIN_DEV
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	992 /* If are listening to a dev manager, let that announce
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	993 * the interface rather than the kernel. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	994 if (dev_listening(ctx) < 1)
5285 7754eb6cd2eb Linux: File compile without plugins Julian Wollrath <julian@haerkules.de> parents: 5282 diff changeset	995 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	996 dhcpcd_handleinterface(ctx, 1, ifn);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	997 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	998 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	999
4255 8524a8375483 Linux: Improve interface renaming Roy Marples <roy@marples.name> parents: 4232 diff changeset	1000 /* Handle interface being renamed */
8524a8375483 Linux: Improve interface renaming Roy Marples <roy@marples.name> parents: 4232 diff changeset	1001 if (strcmp(ifp->name, ifn) != 0) {
8524a8375483 Linux: Improve interface renaming Roy Marples <roy@marples.name> parents: 4232 diff changeset	1002 dhcpcd_handleinterface(ctx, -1, ifn);
8524a8375483 Linux: Improve interface renaming Roy Marples <roy@marples.name> parents: 4232 diff changeset	1003 dhcpcd_handleinterface(ctx, 1, ifn);
8524a8375483 Linux: Improve interface renaming Roy Marples <roy@marples.name> parents: 4232 diff changeset	1004 return 0;
8524a8375483 Linux: Improve interface renaming Roy Marples <roy@marples.name> parents: 4232 diff changeset	1005 }
8524a8375483 Linux: Improve interface renaming Roy Marples <roy@marples.name> parents: 4232 diff changeset	1006
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1007 /* Re-read hardware address and friends */
5168 1f5dc6102f9b if: support changing hardware address type on Linux Roy Marples <roy@marples.name> parents: 5166 diff changeset	1008 if (!(ifi->ifi_flags & IFF_UP)) {
1f5dc6102f9b if: support changing hardware address type on Linux Roy Marples <roy@marples.name> parents: 5166 diff changeset	1009 void *hwa = hwaddr != NULL ? RTA_DATA(hwaddr) : NULL;
1f5dc6102f9b if: support changing hardware address type on Linux Roy Marples <roy@marples.name> parents: 5166 diff changeset	1010 uint8_t hwl = l2addr_len(ifi->ifi_type);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1011
5168 1f5dc6102f9b if: support changing hardware address type on Linux Roy Marples <roy@marples.name> parents: 5166 diff changeset	1012 if (hwaddr != NULL && hwaddr->rta_len != RTA_LENGTH(hwl))
1f5dc6102f9b if: support changing hardware address type on Linux Roy Marples <roy@marples.name> parents: 5166 diff changeset	1013 hwa = NULL;
1f5dc6102f9b if: support changing hardware address type on Linux Roy Marples <roy@marples.name> parents: 5166 diff changeset	1014 dhcpcd_handlehwaddr(ifp, ifi->ifi_type, hwa, hwl);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1015 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1016
5486 8e2b8ce8c972 BSD: struct if_data->ifi_link_state is the single source of truth Roy Marples <roy@marples.name> parents: 5475 diff changeset	1017 dhcpcd_handlecarrier(ifp,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1018 ifi->ifi_flags & IFF_RUNNING ? LINK_UP : LINK_DOWN,
5486 8e2b8ce8c972 BSD: struct if_data->ifi_link_state is the single source of truth Roy Marples <roy@marples.name> parents: 5475 diff changeset	1019 ifi->ifi_flags);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1020 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1021 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1022
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1023 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1024 if_handlelink(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	1025 {
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1026 unsigned char buf[16 * 1024];
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1027 struct iovec iov = {
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1028 .iov_base = buf,
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1029 .iov_len = sizeof(buf),
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1030 };
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1031
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1032 return if_getnetlink(ctx, &iov, ctx->link_fd, MSG_DONTWAIT,
8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1033 &link_netlink, NULL);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1034 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1035
4944 572ef46ecde3 Linux: clean up some compile warnings without privsep Roy Marples <roy@marples.name> parents: 4922 diff changeset	1036 #ifdef PRIVSEP
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1037 static bool
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1038 if_netlinkpriv(int protocol, struct nlmsghdr *nlm)
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1039 {
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1040
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1041 if (protocol != NETLINK_ROUTE)
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1042 return false;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1043
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1044 switch(nlm->nlmsg_type) {
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1045 case RTM_NEWADDR: /* FALLTHROUGH */
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1046 case RTM_DELADDR: /* FALLTHROUGH */
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1047 case RTM_NEWROUTE: /* FALLTHROUGH */
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1048 case RTM_DELROUTE: /* FALLTHROUGH */
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1049 case RTM_NEWLINK:
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1050 return true;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1051 default:
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1052 return false;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1053 }
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1054 }
4944 572ef46ecde3 Linux: clean up some compile warnings without privsep Roy Marples <roy@marples.name> parents: 4922 diff changeset	1055 #endif
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1056
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1057 static int
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1058 if_sendnetlink(struct dhcpcd_ctx ctx, int protocol, struct nlmsghdr hdr,
8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1059 int (cb)(struct dhcpcd_ctx , void , struct nlmsghdr ), void *cbarg)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1060 {
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1061 int s;
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1062 struct sockaddr_nl snl = { .nl_family = AF_NETLINK };
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1063 struct iovec iov = { .iov_base = hdr, .iov_len = hdr->nlmsg_len };
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1064 struct msghdr msg = {
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1065 .msg_name = &snl, .msg_namelen = sizeof(snl),
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1066 .msg_iov = &iov, .msg_iovlen = 1
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1067 };
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1068 struct priv priv = (struct priv )ctx->priv;
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1069 unsigned char buf[16 * 1024];
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1070 struct iovec riov = {
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1071 .iov_base = buf,
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1072 .iov_len = sizeof(buf),
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1073 };
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1074
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1075 /* Request a reply */
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1076 hdr->nlmsg_flags \|= NLM_F_ACK;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1077 hdr->nlmsg_seq = (uint32_t)++ctx->seq;
5387 08cbef5c8e9e Linux: Warn if netlink(7) seq number doesn't match expectation. Roy Marples <roy@marples.name> parents: 5386 diff changeset	1078 if ((unsigned int)ctx->seq > UINT32_MAX)
08cbef5c8e9e Linux: Warn if netlink(7) seq number doesn't match expectation. Roy Marples <roy@marples.name> parents: 5386 diff changeset	1079 ctx->seq = 0;
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1080
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1081 #ifdef PRIVSEP
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1082 if (ctx->options & DHCPCD_PRIVSEP && if_netlinkpriv(protocol, hdr))
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1083 return (int)ps_root_sendnetlink(ctx, protocol, &msg);
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1084 #endif
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	1085
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1086 switch (protocol) {
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1087 case NETLINK_ROUTE:
5533 8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1088 s = priv->route_fd;
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1089 break;
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1090 case NETLINK_GENERIC:
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1091 s = priv->generic_fd;
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1092 #if 0
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1093 #ifdef NETLINK_GET_STRICT_CHK
4970 64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	1094 if (hdr->nlmsg_type == RTM_GETADDR) {
64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	1095 int on = 1;
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1096
4970 64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	1097 if (setsockopt(s, SOL_NETLINK, NETLINK_GET_STRICT_CHK,
5051 5f9bca74bad0 Linux: mask the NETLINK_GET_STRICT_CHK: Protocol not available error Roy Marples <roy@marples.name> parents: 5026 diff changeset	1098 &on, sizeof(on)) == -1 && errno != ENOPROTOOPT)
4970 64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	1099 logerr("%s: NETLINK_GET_STRICT_CHK", __func__);
64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	1100 }
64b25cbb621f Linux: Use the persistent route socket for writing netlink msgs Roy Marples <roy@marples.name> parents: 4962 diff changeset	1101 #endif
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1102 #endif
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1103 break;
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1104 default:
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1105 errno = EINVAL;
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1106 return -1;
4804 4b8a5e58ffcc Linux: always open a netlink socket when writing netlink messages Roy Marples <roy@marples.name> parents: 4781 diff changeset	1107 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1108
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1109 if (sendmsg(s, &msg, 0) == -1)
b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1110 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	1111
5386 b28b0962bfe2 Linux: keep the generic netlink socket around to get ssid with privsep Roy Marples <roy@marples.name> parents: 5384 diff changeset	1112 return if_getnetlink(ctx, &riov, s, 0, cb, cbarg);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1113 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1114
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1115 #define NLMSG_TAIL(nmsg) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1116 ((struct rtattr *)(((ptrdiff_t)(nmsg))+NLMSG_ALIGN((nmsg)->nlmsg_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 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1119 add_attr_l(struct nlmsghdr *n, unsigned short maxlen, unsigned short type,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1120 const void *data, unsigned short alen)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1121 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1122 unsigned short len = (unsigned short)RTA_LENGTH(alen);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1123 struct rtattr *rta;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1124
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1125 if (NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(len) > maxlen) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1126 errno = ENOBUFS;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1127 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1128 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1129
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1130 rta = NLMSG_TAIL(n);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1131 rta->rta_type = type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1132 rta->rta_len = len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1133 if (alen)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1134 memcpy(RTA_DATA(rta), data, alen);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1135 n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1136
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1137 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1138 }
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 static int
5130 d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1141 add_attr_8(struct nlmsghdr *n, unsigned short maxlen, unsigned short type,
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1142 uint8_t data)
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1143 {
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1144
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1145 return add_attr_l(n, maxlen, type, &data, sizeof(data));
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1146 }
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1147
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1148 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	1149 add_attr_32(struct nlmsghdr *n, unsigned short maxlen, unsigned short type,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1150 uint32_t data)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1151 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1152 unsigned short len = RTA_LENGTH(sizeof(data));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1153 struct rtattr *rta;
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 if (NLMSG_ALIGN(n->nlmsg_len) + len > maxlen) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1156 errno = ENOBUFS;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1157 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1158 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1159
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1160 rta = NLMSG_TAIL(n);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1161 rta->rta_type = type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1162 rta->rta_len = len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1163 memcpy(RTA_DATA(rta), &data, sizeof(data));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1164 n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1165
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1166 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1167 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1168
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1169 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1170 rta_add_attr_32(struct rtattr *rta, unsigned short maxlen,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1171 unsigned short type, uint32_t data)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1172 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1173 unsigned short len = RTA_LENGTH(sizeof(data));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1174 struct rtattr *subrta;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1175
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1176 if (RTA_ALIGN(rta->rta_len) + len > maxlen) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1177 errno = ENOBUFS;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1178 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1179 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1180
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1181 subrta = (void )((char)rta + RTA_ALIGN(rta->rta_len));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1182 subrta->rta_type = type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1183 subrta->rta_len = len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1184 memcpy(RTA_DATA(subrta), &data, sizeof(data));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1185 rta->rta_len = (unsigned short)(NLMSG_ALIGN(rta->rta_len) + len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1186 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1187 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1188
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1189 #ifdef HAVE_NL80211_H
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1190 static struct nlattr *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1191 nla_next(struct nlattr nla, size_t rem)
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 *rem -= (size_t)NLA_ALIGN(nla->nla_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1195 return (void )((char )nla + NLA_ALIGN(nla->nla_len));
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1198 #define NLA_TYPE(nla) ((nla)->nla_type & NLA_TYPE_MASK)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1199 #define NLA_LEN(nla) (unsigned int)((nla)->nla_len - NLA_HDRLEN)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1200 #define NLA_OK(nla, rem) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1201 ((rem) >= sizeof(struct nlattr) && \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1202 (nla)->nla_len >= sizeof(struct nlattr) && \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1203 (nla)->nla_len <= rem)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1204 #define NLA_DATA(nla) (void )((char )(nla) + NLA_HDRLEN)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1205 #define NLA_FOR_EACH_ATTR(pos, head, len, rem) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1206 for (pos = head, rem = len; \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1207 NLA_OK(pos, rem); \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1208 pos = nla_next(pos, &(rem)))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1209
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1210 struct nlmg
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1211 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1212 struct nlmsghdr hdr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1213 struct genlmsghdr ghdr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1214 char buffer[64];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1215 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1216
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1217 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1218 nla_put_32(struct nlmsghdr *n, unsigned short maxlen,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1219 unsigned short type, uint32_t data)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1220 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1221 unsigned short len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1222 struct nlattr *nla;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1223
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1224 len = NLA_ALIGN(NLA_HDRLEN + sizeof(data));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1225 if (NLMSG_ALIGN(n->nlmsg_len) + len > maxlen) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1226 errno = ENOBUFS;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1227 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1228 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1229
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1230 nla = (struct nlattr *)NLMSG_TAIL(n);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1231 nla->nla_type = type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1232 nla->nla_len = len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1233 memcpy(NLA_DATA(nla), &data, sizeof(data));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1234 n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + len;
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 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1237 }
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 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1240 nla_put_string(struct nlmsghdr *n, unsigned short maxlen,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1241 unsigned short type, const char *data)
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 struct nlattr *nla;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1244 size_t len, sl;
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 sl = strlen(data) + 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1247 len = NLA_ALIGN(NLA_HDRLEN + sl);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1248 if (NLMSG_ALIGN(n->nlmsg_len) + len > maxlen) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1249 errno = ENOBUFS;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1250 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1251 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1252
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1253 nla = (struct nlattr *)NLMSG_TAIL(n);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1254 nla->nla_type = type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1255 nla->nla_len = (unsigned short)len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1256 memcpy(NLA_DATA(nla), data, sl);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1257 n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + (unsigned short)len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1258 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1259 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1260
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1261 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1262 nla_parse(struct nlattr tb[], struct nlattr head, size_t len, int maxtype)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1263 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1264 struct nlattr *nla;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1265 size_t rem;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1266 int type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1267
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1268 memset(tb, 0, sizeof(tb) ((unsigned int)maxtype + 1));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1269 NLA_FOR_EACH_ATTR(nla, head, len, rem) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1270 type = NLA_TYPE(nla);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1271 if (type > maxtype)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1272 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1273 tb[type] = nla;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1274 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1275 return 0;
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 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1279 genl_parse(struct nlmsghdr nlm, struct nlattr tb[], int maxtype)
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 struct genlmsghdr *ghdr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1282 struct nlattr *head;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1283 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	1284
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1285 ghdr = NLMSG_DATA(nlm);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1286 head = (void )((char )ghdr + GENL_HDRLEN);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1287 len = nlm->nlmsg_len - GENL_HDRLEN - NLMSG_HDRLEN;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1288 return nla_parse(tb, head, len, maxtype);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1289 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1290
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1291 static int
4400 2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1292 _gnl_getfamily(__unused struct dhcpcd_ctx ctx, __unused 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	1293 struct nlmsghdr *nlm)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1294 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1295 struct nlattr *tb[CTRL_ATTR_FAMILY_ID + 1];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1296 uint16_t family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1297
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1298 if (genl_parse(nlm, tb, CTRL_ATTR_FAMILY_ID) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1299 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1300 if (tb[CTRL_ATTR_FAMILY_ID] == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1301 errno = ENOENT;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1302 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1303 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1304 memcpy(&family, NLA_DATA(tb[CTRL_ATTR_FAMILY_ID]), sizeof(family));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1305 return (int)family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1306 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1307
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1308 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1309 gnl_getfamily(struct dhcpcd_ctx ctx, 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	1310 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1311 struct nlmg nlm;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1312
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1313 memset(&nlm, 0, sizeof(nlm));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1314 nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct genlmsghdr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1315 nlm.hdr.nlmsg_type = GENL_ID_CTRL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1316 nlm.hdr.nlmsg_flags = NLM_F_REQUEST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1317 nlm.ghdr.cmd = CTRL_CMD_GETFAMILY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1318 nlm.ghdr.version = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1319 if (nla_put_string(&nlm.hdr, sizeof(nlm),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1320 CTRL_ATTR_FAMILY_NAME, name) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1321 return -1;
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1322 return if_sendnetlink(ctx, NETLINK_GENERIC, &nlm.hdr,
8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1323 &_gnl_getfamily, NULL);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1324 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1325
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1326 static int
4400 2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1327 _if_getssid_nl80211(__unused struct dhcpcd_ctx ctx, 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	1328 struct nlmsghdr *nlm)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1329 {
4400 2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1330 struct interface *ifp = arg;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1331 struct nlattr *tb[NL80211_ATTR_BSS + 1];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1332 struct nlattr *bss[NL80211_BSS_STATUS + 1];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1333 uint32_t status;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1334 unsigned char *ie;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1335 int ie_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1336
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1337 if (genl_parse(nlm, tb, NL80211_ATTR_BSS) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1338 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1339
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1340 if (tb[NL80211_ATTR_BSS] == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1341 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1342
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1343 if (nla_parse(bss,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1344 NLA_DATA(tb[NL80211_ATTR_BSS]),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1345 NLA_LEN(tb[NL80211_ATTR_BSS]),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1346 NL80211_BSS_STATUS) == -1)
3960 42a6a3d1596e Remove custom logger and output all diagnostics via syslog(3). Roy Marples <roy@marples.name> parents: 3932 diff changeset	1347 return 0;
42a6a3d1596e Remove custom logger and output all diagnostics via syslog(3). Roy Marples <roy@marples.name> parents: 3932 diff changeset	1348
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1349 if (bss[NL80211_BSS_BSSID] == NULL \|\| bss[NL80211_BSS_STATUS] == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1350 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1351
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1352 memcpy(&status, NLA_DATA(bss[NL80211_BSS_STATUS]), sizeof(status));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1353 if (status != NL80211_BSS_STATUS_ASSOCIATED)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1354 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1355
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1356 if (bss[NL80211_BSS_INFORMATION_ELEMENTS] == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1357 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1358
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1359 ie = NLA_DATA(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1360 ie_len = (int)NLA_LEN(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1361 /* ie[0] is type, ie[1] is lenth, ie[2..] is data */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1362 while (ie_len >= 2 && ie_len >= ie[1]) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1363 if (ie[0] == 0) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1364 /* SSID */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1365 if (ie[1] > IF_SSIDLEN) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1366 errno = ENOBUFS;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1367 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1368 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1369 ifp->ssid_len = ie[1];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1370 memcpy(ifp->ssid, ie + 2, ifp->ssid_len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1371 return (int)ifp->ssid_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1372 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1373 ie_len -= ie[1] + 2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1374 ie += ie[1] + 2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1375 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1376
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1377 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1378 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1379
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1380 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1381 if_getssid_nl80211(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	1382 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1383 int family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1384 struct nlmg nlm;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1385
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1386 errno = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1387 family = gnl_getfamily(ifp->ctx, "nl80211");
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1388 if (family == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1389 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1390
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1391 /* Is this a wireless interface? */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1392 memset(&nlm, 0, sizeof(nlm));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1393 nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct genlmsghdr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1394 nlm.hdr.nlmsg_type = (unsigned short)family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1395 nlm.hdr.nlmsg_flags = NLM_F_REQUEST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1396 nlm.ghdr.cmd = NL80211_CMD_GET_WIPHY;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1397 nla_put_32(&nlm.hdr, sizeof(nlm), NL80211_ATTR_IFINDEX, ifp->index);
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1398 if (if_sendnetlink(ifp->ctx, NETLINK_GENERIC, &nlm.hdr,
8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1399 NULL, NULL) == -1)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1400 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1401
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1402 /* We need to parse out the list of scan results and find the one
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1403 * we are connected to. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1404 memset(&nlm, 0, sizeof(nlm));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1405 nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct genlmsghdr));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1406 nlm.hdr.nlmsg_type = (unsigned short)family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1407 nlm.hdr.nlmsg_flags = NLM_F_REQUEST \| NLM_F_DUMP;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1408 nlm.ghdr.cmd = NL80211_CMD_GET_SCAN;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1409 nla_put_32(&nlm.hdr, sizeof(nlm), NL80211_ATTR_IFINDEX, ifp->index);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1410
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1411 return if_sendnetlink(ifp->ctx, NETLINK_GENERIC, &nlm.hdr,
8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1412 &_if_getssid_nl80211, ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1413 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1414 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1415
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1416 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1417 if_getssid(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	1418 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1419 int r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1420
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1421 #ifdef HAVE_NL80211_H
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1422 r = if_getssid_nl80211(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1423 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	1424 ifp->ssid_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1425 #else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1426 r = if_getssid_wext(ifp->name, ifp->ssid);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1427 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	1428 ifp->ssid_len = (unsigned int)r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1429 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1430
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1431 ifp->ssid[ifp->ssid_len] = '\0';
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1432 return r;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1433 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1434
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1435 struct nlma
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1436 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1437 struct nlmsghdr hdr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1438 struct ifaddrmsg ifa;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1439 char buffer[64];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1440 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1441
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1442 #ifdef INET
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1443 struct ifiaddr
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1444 {
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1445 unsigned int ifa_ifindex;
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1446 struct in_addr ifa_addr;
5533 8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1447 bool ifa_found;
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1448 };
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1449
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1450 static int
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1451 _if_addressexists(__unused struct dhcpcd_ctx *ctx,
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1452 void arg, struct nlmsghdr nlm)
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1453 {
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1454 struct ifiaddr *ia = arg;
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1455 in_addr_t this_addr;
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1456 size_t len;
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1457 struct rtattr *rta;
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1458 struct ifaddrmsg *ifa;
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1459
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1460 ifa = NLMSG_DATA(nlm);
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1461 if (ifa->ifa_index != ia->ifa_ifindex \|\| ifa->ifa_family != AF_INET)
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1462 return 0;
5533 8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1463
4884 1378ef92e8bc Linux: remove some casts no longer needed Roy Marples <roy@marples.name> parents: 4840 diff changeset	1464 rta = IFA_RTA(ifa);
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1465 len = NLMSG_PAYLOAD(nlm, sizeof(*ifa));
4897 877cf2803035 Linux: Move RTA_OK and RTA_NEXT from a while to a for loop. Roy Marples <roy@marples.name> parents: 4885 diff changeset	1466 for (; RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1467 switch (rta->rta_type) {
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1468 case IFA_LOCAL:
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1469 memcpy(&this_addr, RTA_DATA(rta), sizeof(this_addr));
5533 8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1470 if (this_addr == ia->ifa_addr.s_addr) {
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1471 ia->ifa_found = true;
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1472 return 1;
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1473 }
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1474 break;
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1475 }
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1476 }
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1477 return 0;
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1478 }
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1479
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1480 static int
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1481 if_addressexists(struct interface ifp, struct in_addr addr)
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1482 {
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1483 struct ifiaddr ia = {
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1484 .ifa_ifindex = ifp->index,
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1485 .ifa_addr = *addr,
5533 8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1486 .ifa_found = false,
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1487 };
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1488 struct nlma nlm = {
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1489 .hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)),
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1490 .hdr.nlmsg_type = RTM_GETADDR,
5533 8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1491 .hdr.nlmsg_flags = NLM_F_REQUEST \| NLM_F_MATCH,
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1492 .ifa.ifa_family = AF_INET,
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1493 .ifa.ifa_index = ifp->index,
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1494 };
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1495
5533 8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1496 int error = if_sendnetlink(ifp->ctx, NETLINK_ROUTE, &nlm.hdr,
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1497 &_if_addressexists, &ia);
5533 8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1498 if (error == -1)
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1499 return -1;
8f117781bb06 Linux: Fix detecting existing IPv4 addresses Roy Marples <roy@marples.name> parents: 5486 diff changeset	1500 return ia.ifa_found ? 1 : 0;
4781 090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1501 }
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1502 #endif
090b21343985 Linux: validate RTM_NEWADDR/RTM_DELADDR for AF_INET as well. Roy Marples <roy@marples.name> parents: 4779 diff changeset	1503
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1504 struct nlmr
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1505 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1506 struct nlmsghdr hdr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1507 struct rtmsg rt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1508 char buffer[256];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1509 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1510
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1511 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1512 if_route(unsigned char cmd, const struct rt *rt)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1513 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1514 struct nlmr nlm;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1515 bool gateway_unspec;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1516
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1517 memset(&nlm, 0, sizeof(nlm));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1518 nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1519 switch (cmd) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1520 case RTM_CHANGE:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1521 nlm.hdr.nlmsg_type = RTM_NEWROUTE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1522 nlm.hdr.nlmsg_flags = NLM_F_CREATE \| NLM_F_REPLACE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1523 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1524 case RTM_ADD:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1525 nlm.hdr.nlmsg_type = RTM_NEWROUTE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1526 nlm.hdr.nlmsg_flags = NLM_F_CREATE \| NLM_F_EXCL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1527 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1528 case RTM_DELETE:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1529 nlm.hdr.nlmsg_type = RTM_DELROUTE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1530 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1531 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1532 nlm.hdr.nlmsg_flags \|= NLM_F_REQUEST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1533 nlm.rt.rtm_family = (unsigned char)rt->rt_dest.sa_family;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1534 nlm.rt.rtm_table = RT_TABLE_MAIN;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1535
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1536 gateway_unspec = sa_is_unspecified(&rt->rt_gateway);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1537
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1538 if (cmd == RTM_DELETE) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1539 nlm.rt.rtm_scope = RT_SCOPE_NOWHERE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1540 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1541 /* Address generated routes are RTPROT_KERNEL,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1542 * otherwise RTPROT_BOOT */
4161 a40c7c100a45 Set RA routes as RA in supported OS's. Roy Marples <roy@marples.name> parents: 4147 diff changeset	1543 #ifdef RTPROT_RA
a40c7c100a45 Set RA routes as RA in supported OS's. Roy Marples <roy@marples.name> parents: 4147 diff changeset	1544 if (rt->rt_dflags & RTDF_RA)
a40c7c100a45 Set RA routes as RA in supported OS's. Roy Marples <roy@marples.name> parents: 4147 diff changeset	1545 nlm.rt.rtm_protocol = RTPROT_RA;
a40c7c100a45 Set RA routes as RA in supported OS's. Roy Marples <roy@marples.name> parents: 4147 diff changeset	1546 else
a40c7c100a45 Set RA routes as RA in supported OS's. Roy Marples <roy@marples.name> parents: 4147 diff changeset	1547 #endif
4162 fbed6260b7e1 Set DHCP routes as DHCP in supported OS's. Roy Marples <roy@marples.name> parents: 4161 diff changeset	1548 #ifdef RTPROT_DHCP
fbed6260b7e1 Set DHCP routes as DHCP in supported OS's. Roy Marples <roy@marples.name> parents: 4161 diff changeset	1549 if (rt->rt_dflags & RTDF_DHCP)
fbed6260b7e1 Set DHCP routes as DHCP in supported OS's. Roy Marples <roy@marples.name> parents: 4161 diff changeset	1550 nlm.rt.rtm_protocol = RTPROT_DHCP;
fbed6260b7e1 Set DHCP routes as DHCP in supported OS's. Roy Marples <roy@marples.name> parents: 4161 diff changeset	1551 else
fbed6260b7e1 Set DHCP routes as DHCP in supported OS's. Roy Marples <roy@marples.name> parents: 4161 diff changeset	1552 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1553 if (rt->rt_dflags & RTDF_IFA_ROUTE)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1554 nlm.rt.rtm_protocol = RTPROT_KERNEL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1555 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1556 nlm.rt.rtm_protocol = RTPROT_BOOT;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1557 if (rt->rt_ifp->flags & IFF_LOOPBACK)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1558 nlm.rt.rtm_scope = RT_SCOPE_HOST;
4292 3d4667e8f9c9 linux: fix adding host routes Roy Marples <roy@marples.name> parents: 4257 diff changeset	1559 else if (gateway_unspec)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1560 nlm.rt.rtm_scope = RT_SCOPE_LINK;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1561 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1562 nlm.rt.rtm_scope = RT_SCOPE_UNIVERSE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1563 if (rt->rt_flags & RTF_REJECT)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1564 nlm.rt.rtm_type = RTN_UNREACHABLE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1565 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1566 nlm.rt.rtm_type = RTN_UNICAST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1567 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1568
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1569 #define ADDSA(type, sa) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1570 add_attr_l(&nlm.hdr, sizeof(nlm), (type), \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1571 (const char *)(sa) + sa_addroffset((sa)), \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1572 (unsigned short)sa_addrlen((sa)));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1573 nlm.rt.rtm_dst_len = (unsigned char)sa_toprefix(&rt->rt_netmask);
4574 901ff4b0952b Linux: Mark another coverity false positive. Roy Marples <roy@marples.name> parents: 4572 diff changeset	1574 /* rt->rt_dest and rt->gateway are unions where sockaddr_in6
901ff4b0952b Linux: Mark another coverity false positive. Roy Marples <roy@marples.name> parents: 4572 diff changeset	1575 * is the biggest member. However, we access them as the
901ff4b0952b Linux: Mark another coverity false positive. Roy Marples <roy@marples.name> parents: 4572 diff changeset	1576 * generic sockaddr and coverity thinks this will overrun. */
901ff4b0952b Linux: Mark another coverity false positive. Roy Marples <roy@marples.name> parents: 4572 diff changeset	1577 /* coverity[overrun-buffer-arg] */
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1578 ADDSA(RTA_DST, &rt->rt_dest);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1579 if (cmd == RTM_ADD \|\| cmd == RTM_CHANGE) {
4574 901ff4b0952b Linux: Mark another coverity false positive. Roy Marples <roy@marples.name> parents: 4572 diff changeset	1580 if (!gateway_unspec) {
901ff4b0952b Linux: Mark another coverity false positive. Roy Marples <roy@marples.name> parents: 4572 diff changeset	1581 /* coverity[overrun-buffer-arg] */
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1582 ADDSA(RTA_GATEWAY, &rt->rt_gateway);
4574 901ff4b0952b Linux: Mark another coverity false positive. Roy Marples <roy@marples.name> parents: 4572 diff changeset	1583 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1584 /* Cannot add tentative source addresses.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1585 * We don't know this here, so just skip INET6 ifa's.*/
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1586 if (!sa_is_unspecified(&rt->rt_ifa) &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1587 rt->rt_ifa.sa_family != AF_INET6)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1588 ADDSA(RTA_PREFSRC, &rt->rt_ifa);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1589 if (rt->rt_mtu) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1590 char metricsbuf[32];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1591 struct rtattr metrics = (void )metricsbuf;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1592
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1593 metrics->rta_type = RTA_METRICS;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1594 metrics->rta_len = RTA_LENGTH(0);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1595 rta_add_attr_32(metrics, sizeof(metricsbuf),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1596 RTAX_MTU, rt->rt_mtu);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1597 add_attr_l(&nlm.hdr, sizeof(nlm), RTA_METRICS,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1598 RTA_DATA(metrics),
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1599 (unsigned short)RTA_PAYLOAD(metrics));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1600 }
5130 d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1601
5341 b5656c618975 Linux: Fix compile for systems without route preference Roy Marples <roy@marples.name> parents: 5285 diff changeset	1602 #ifdef HAVE_ROUTE_PREF
5130 d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1603 if (rt->rt_dflags & RTDF_RA) {
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1604 uint8_t pref;
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1605
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1606 switch(rt->rt_pref) {
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1607 case RTPREF_LOW:
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1608 pref = ICMPV6_ROUTER_PREF_LOW;
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1609 break;
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1610 case RTPREF_MEDIUM:
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1611 pref = ICMPV6_ROUTER_PREF_MEDIUM;
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1612 break;
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1613 case RTPREF_HIGH:
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1614 pref = ICMPV6_ROUTER_PREF_HIGH;
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1615 break;
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1616 default:
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1617 pref = ICMPV6_ROUTER_PREF_INVALID;
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1618 break;
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1619 }
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1620 add_attr_8(&nlm.hdr, sizeof(nlm), RTA_PREF, pref);
d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5115 diff changeset	1621 }
5341 b5656c618975 Linux: Fix compile for systems without route preference Roy Marples <roy@marples.name> parents: 5285 diff changeset	1622 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1623 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1624
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1625 if (!sa_is_loopback(&rt->rt_gateway))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1626 add_attr_32(&nlm.hdr, sizeof(nlm), RTA_OIF, rt->rt_ifp->index);
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 if (rt->rt_metric != 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1629 add_attr_32(&nlm.hdr, sizeof(nlm), RTA_PRIORITY,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1630 rt->rt_metric);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1631
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1632 return if_sendnetlink(rt->rt_ifp->ctx, NETLINK_ROUTE, &nlm.hdr,
8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1633 NULL, NULL);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1634 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1635
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1636 static int
4400 2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1637 _if_initrt(struct dhcpcd_ctx ctx, 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	1638 struct nlmsghdr *nlm)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1639 {
4400 2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1640 struct rt rt, *rtn;
2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1641 rb_tree_t *kroutes = arg;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1642
4400 2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1643 if (if_copyrt(ctx, &rt, nlm) != 0)
2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1644 return 0;
2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1645 if ((rtn = rt_new(rt.rt_ifp)) == NULL) {
2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1646 logerr(__func__);
2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1647 return 0;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1648 }
4400 2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1649 memcpy(rtn, &rt, sizeof(*rtn));
2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1650 if (rb_tree_insert_node(kroutes, rtn) != rtn)
2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1651 rt_free(rtn);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1652 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1653 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1654
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1655 int
4400 2d6a2c8c6b56 route: Remove kroutes and make froutes optional Roy Marples <roy@marples.name> parents: 4371 diff changeset	1656 if_initrt(struct dhcpcd_ctx ctx, rb_tree_t kroutes, int af)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1657 {
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1658 struct nlmr nlm = {
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1659 .hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg)),
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1660 .hdr.nlmsg_type = RTM_GETROUTE,
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1661 .hdr.nlmsg_flags = NLM_F_REQUEST \| NLM_F_MATCH,
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1662 .rt.rtm_table = RT_TABLE_MAIN,
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1663 .rt.rtm_family = (unsigned char)af,
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4366 diff changeset	1664 };
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1665
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1666 return if_sendnetlink(ctx, NETLINK_ROUTE, &nlm.hdr,
8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1667 &_if_initrt, kroutes);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1668 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1669
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1670 #ifdef INET
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1671 /* Linux is a special snowflake when it comes to BPF. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1672 const char *bpf_name = "Packet Socket";
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1673
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1674 /* Linux is a special snowflake for opening BPF. */
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1675 struct bpf *
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1676 bpf_open(const struct interface *ifp,
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1677 int (filter)(const struct bpf , const struct in_addr *),
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1678 const 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	1679 {
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1680 struct bpf *bpf;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1681 union sockunion {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1682 struct sockaddr sa;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1683 struct sockaddr_ll sll;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1684 struct sockaddr_storage ss;
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1685 } su = {
5383 5f88487cbf65 Linux: fix a compile warning for older compilers Roy Marples <roy@marples.name> parents: 5382 diff changeset	1686 .sll = {
5f88487cbf65 Linux: fix a compile warning for older compilers Roy Marples <roy@marples.name> parents: 5382 diff changeset	1687 .sll_family = PF_PACKET,
5f88487cbf65 Linux: fix a compile warning for older compilers Roy Marples <roy@marples.name> parents: 5382 diff changeset	1688 .sll_protocol = htons(ETH_P_ALL),
5f88487cbf65 Linux: fix a compile warning for older compilers Roy Marples <roy@marples.name> parents: 5382 diff changeset	1689 .sll_ifindex = (int)ifp->index,
5f88487cbf65 Linux: fix a compile warning for older compilers Roy Marples <roy@marples.name> parents: 5382 diff changeset	1690 }
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1691 };
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1692 #ifdef PACKET_AUXDATA
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1693 int n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1694 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1695
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1696 bpf = calloc(1, sizeof(*bpf));
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1697 if (bpf == NULL)
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1698 return NULL;
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1699 bpf->bpf_ifp = ifp;
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1700
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1701 /* Allocate a suitably large buffer for a single packet. */
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1702 bpf->bpf_size = ETH_DATA_LEN;
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1703 bpf->bpf_buffer = malloc(bpf->bpf_size);
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1704 if (bpf->bpf_buffer == NULL)
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1705 goto eexit;
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1706
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1707 bpf->bpf_fd = xsocket(PF_PACKET, SOCK_RAW\|SOCK_CXNB,htons(ETH_P_ALL));
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1708 if (bpf->bpf_fd == -1)
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1709 goto eexit;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1710
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1711 /* We cannot validate the correct interface,
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1712 * so we MUST set this first. */
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1713 if (bind(bpf->bpf_fd, &su.sa, sizeof(su.sll)) == -1)
4113 d30461d23e91 Persist shared IP address on interfaces. Roy Marples <roy@marples.name> parents: 4052 diff changeset	1714 goto eexit;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1715
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1716 if (filter(bpf, ia) != 0)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1717 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1718
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1719 /* In the ideal world, this would be set before the bind and filter. */
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1720 #ifdef PACKET_AUXDATA
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1721 n = 1;
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1722 if (setsockopt(bpf->bpf_fd, SOL_PACKET, PACKET_AUXDATA,
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1723 &n, sizeof(n)) != 0) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1724 if (errno != ENOPROTOOPT)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1725 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1726 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1727 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1728
4757 19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1729 /*
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1730 * At this point we could have received packets for the wrong
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1731 * interface or which don't pass the filter.
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1732 * Linux should flush upon setting the filter like every other OS.
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1733 * There is no way of flushing them from userland.
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1734 * As such, consumers need to inspect each packet to ensure it's valid.
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1735 * Or to put it another way, don't trust the Linux BPF filter.
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1736 */
19c3b77a9940 BPF: Move validation logic from BPF to consumers Roy Marples <roy@marples.name> parents: 4750 diff changeset	1737
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1738 return bpf;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1739
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1740 eexit:
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1741 if (bpf->bpf_fd != -1)
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1742 close(bpf->bpf_fd);
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1743 free(bpf->bpf_buffer);
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1744 free(bpf);
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1745 return NULL;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1746 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1747
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1748 /* BPF requires that we read the entire buffer.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1749 * So we pass the buffer in the API so we can loop on >1 packet. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1750 ssize_t
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1751 bpf_read(struct bpf bpf, void 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	1752 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1753 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	1754 struct iovec iov = {
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1755 .iov_base = bpf->bpf_buffer,
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1756 .iov_len = bpf->bpf_size,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1757 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1758 struct msghdr msg = { .msg_iov = &iov, .msg_iovlen = 1 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1759 #ifdef PACKET_AUXDATA
5172 6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5168 diff changeset	1760 union {
6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5168 diff changeset	1761 struct cmsghdr hdr;
6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5168 diff changeset	1762 uint8_t buf[CMSG_SPACE(sizeof(struct tpacket_auxdata))];
6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5168 diff changeset	1763 } cmsgbuf = { .buf = { 0 } };
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1764 struct cmsghdr *cmsg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1765 struct tpacket_auxdata *aux;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1766 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1767
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1768 #ifdef PACKET_AUXDATA
5172 6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5168 diff changeset	1769 msg.msg_control = cmsgbuf.buf;
6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5168 diff changeset	1770 msg.msg_controllen = sizeof(cmsgbuf.buf);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1771 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1772
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1773 bytes = recvmsg(bpf->bpf_fd, &msg, 0);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1774 if (bytes == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1775 return -1;
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1776 bpf->bpf_flags \|= BPF_EOF; /* We only ever read one packet. */
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1777 bpf->bpf_flags &= ~BPF_PARTIALCSUM;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1778 if (bytes) {
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1779 if (bpf_frame_bcast(bpf->bpf_ifp, bpf->bpf_buffer) == 0)
bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1780 bpf->bpf_flags \|= BPF_BCAST;
4456 101b31471d89 BPF: Set BPF_MCAST flag as on BSD Roy Marples <roy@marples.name> parents: 4421 diff changeset	1781 else
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1782 bpf->bpf_flags &= ~BPF_BCAST;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1783 if ((size_t)bytes > len)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1784 bytes = (ssize_t)len;
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1785 memcpy(data, bpf->bpf_buffer, (size_t)bytes);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1786 #ifdef PACKET_AUXDATA
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1787 for (cmsg = CMSG_FIRSTHDR(&msg);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1788 cmsg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1789 cmsg = CMSG_NXTHDR(&msg, cmsg))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1790 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1791 if (cmsg->cmsg_level == SOL_PACKET &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1792 cmsg->cmsg_type == PACKET_AUXDATA) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1793 aux = (void *)CMSG_DATA(cmsg);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1794 if (aux->tp_status & TP_STATUS_CSUMNOTREADY)
5234 bcd021398c1d Fix compile on Linux Roy Marples <roy@marples.name> parents: 5230 diff changeset	1795 bpf->bpf_flags \|= BPF_PARTIALCSUM;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1796 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1797 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1798 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1799 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1800 return bytes;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1801 }
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 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1804 bpf_attach(int s, void *filter, unsigned int filter_len)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1805 {
4636 ef8b96679637 Linux: minor optimisation Roy Marples <roy@marples.name> parents: 4609 diff changeset	1806 struct sock_fprog pf = {
ef8b96679637 Linux: minor optimisation Roy Marples <roy@marples.name> parents: 4609 diff changeset	1807 .filter = filter,
4694 426e04b84902 Linux: cast away a compile warning Roy Marples <roy@marples.name> parents: 4670 diff changeset	1808 .len = (unsigned short)filter_len,
4636 ef8b96679637 Linux: minor optimisation Roy Marples <roy@marples.name> parents: 4609 diff changeset	1809 };
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1810
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1811 /* Install the filter. */
5230 92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1812 if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER, &pf, sizeof(pf)) == -1)
92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1813 return -1;
92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1814
92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1815 #ifdef SO_LOCK_FILTER
92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1816 int on = 1;
92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1817
92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1818 if (setsockopt(s, SOL_SOCKET, SO_LOCK_FILTER, &on, sizeof(on)) == -1)
92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1819 return -1;
92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1820 #endif
92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1821
92569921a974 Linux: Lock the BPF filter from future changes Roy Marples <roy@marples.name> parents: 5215 diff changeset	1822 return 0;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1823 }
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 int
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1826 if_address(unsigned char cmd, const struct ipv4_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	1827 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1828 struct nlma nlm;
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1829 struct ifa_cacheinfo cinfo;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1830 int retval = 0;
4609 636120b95e27 Linux: Fix compile on 3.x Roy Marples <roy@marples.name> parents: 4574 diff changeset	1831 #ifdef IFA_F_NOPREFIXROUTE
4194 f82c8bde229d linux: use IFA_F_NOPREFIXROUTE for ipv4 addresses Roy Marples <roy@marples.name> parents: 4180 diff changeset	1832 uint32_t flags = 0;
4609 636120b95e27 Linux: Fix compile on 3.x Roy Marples <roy@marples.name> parents: 4574 diff changeset	1833 #endif
3932 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 memset(&nlm, 0, sizeof(nlm));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1836 nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1837 nlm.hdr.nlmsg_flags = NLM_F_REQUEST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1838 nlm.hdr.nlmsg_type = cmd;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1839 if (cmd == RTM_NEWADDR)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1840 nlm.hdr.nlmsg_flags \|= NLM_F_CREATE \| NLM_F_REPLACE;
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1841 nlm.ifa.ifa_index = ia->iface->index;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1842 nlm.ifa.ifa_family = AF_INET;
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1843
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1844 nlm.ifa.ifa_prefixlen = inet_ntocidr(ia->mask);
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1845
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1846 #if 0
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1847 /* This creates the aliased interface */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1848 add_attr_l(&nlm.hdr, sizeof(nlm), IFA_LABEL,
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1849 ia->iface->alias,
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1850 (unsigned short)(strlen(ia->iface->alias) + 1));
4194 f82c8bde229d linux: use IFA_F_NOPREFIXROUTE for ipv4 addresses Roy Marples <roy@marples.name> parents: 4180 diff changeset	1851 #endif
f82c8bde229d linux: use IFA_F_NOPREFIXROUTE for ipv4 addresses Roy Marples <roy@marples.name> parents: 4180 diff changeset	1852
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1853 add_attr_l(&nlm.hdr, sizeof(nlm), IFA_LOCAL,
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1854 &ia->addr.s_addr, sizeof(ia->addr.s_addr));
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1855
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1856 if (cmd == RTM_NEWADDR) {
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1857 #ifdef IFA_F_NOPREFIXROUTE
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1858 if (nlm.ifa.ifa_prefixlen < 32)
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1859 flags \|= IFA_F_NOPREFIXROUTE;
4609 636120b95e27 Linux: Fix compile on 3.x Roy Marples <roy@marples.name> parents: 4574 diff changeset	1860 add_attr_32(&nlm.hdr, sizeof(nlm), IFA_FLAGS, flags);
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1861 #endif
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1862
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1863 add_attr_l(&nlm.hdr, sizeof(nlm), IFA_BROADCAST,
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1864 &ia->brd.s_addr, sizeof(ia->brd.s_addr));
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1865
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1866 memset(&cinfo, 0, sizeof(cinfo));
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1867 cinfo.ifa_prefered = ia->pltime;
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1868 cinfo.ifa_valid = ia->vltime;
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1869 add_attr_l(&nlm.hdr, sizeof(nlm), IFA_CACHEINFO,
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1870 &cinfo, sizeof(cinfo));
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1871 }
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1872
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1873 if (if_sendnetlink(ia->iface->ctx, NETLINK_ROUTE, &nlm.hdr,
8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1874 NULL, NULL) == -1)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1875 retval = -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1876 return retval;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1877 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1878
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1879 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1880 if_addrflags(__unused 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	1881 __unused const struct in_addr addr, __unused const char alias)
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1884 /* Linux has no support for IPv4 address flags */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1885 return 0;
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 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1888
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1889 #ifdef INET6
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1890 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1891 if_address6(unsigned char cmd, const struct ipv6_addr *ia)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1892 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1893 struct nlma nlm;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1894 struct ifa_cacheinfo cinfo;
4609 636120b95e27 Linux: Fix compile on 3.x Roy Marples <roy@marples.name> parents: 4574 diff changeset	1895 #if defined(IFA_F_MANAGETEMPADDR) \|\| defined(IFA_F_NOPREFIXROUTE)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1896 uint32_t flags = 0;
4609 636120b95e27 Linux: Fix compile on 3.x Roy Marples <roy@marples.name> parents: 4574 diff changeset	1897 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1898
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1899 memset(&nlm, 0, sizeof(nlm));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1900 nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1901 nlm.hdr.nlmsg_flags = NLM_F_REQUEST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1902 nlm.hdr.nlmsg_type = cmd;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1903 if (cmd == RTM_NEWADDR)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1904 nlm.hdr.nlmsg_flags \|= NLM_F_CREATE \| NLM_F_REPLACE;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1905 nlm.ifa.ifa_index = ia->iface->index;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1906 nlm.ifa.ifa_family = AF_INET6;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1907
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1908 /* Add as /128 if no IFA_F_NOPREFIXROUTE ? */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1909 nlm.ifa.ifa_prefixlen = ia->prefix_len;
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1910
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1911 #if 0
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1912 /* This creates the aliased interface */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1913 add_attr_l(&nlm.hdr, sizeof(nlm), IFA_LABEL,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1914 ia->iface->alias, (unsigned short)(strlen(ia->iface->alias) + 1));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1915 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1916 add_attr_l(&nlm.hdr, sizeof(nlm), IFA_LOCAL,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1917 &ia->addr.s6_addr, sizeof(ia->addr.s6_addr));
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 if (cmd == RTM_NEWADDR) {
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1920 #ifdef IPV6_MANAGETEMPADDR
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1921 if (ia->flags & IPV6_AF_TEMPORARY) {
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1922 /* Currently the kernel filters out these flags */
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1923 #ifdef IFA_F_NOPREFIXROUTE
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1924 flags \|= IFA_F_TEMPORARY;
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1925 #else
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1926 nlm.ifa.ifa_flags \|= IFA_F_TEMPORARY;
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1927 #endif
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1928 }
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1929 #elif IFA_F_MANAGETEMPADDR
4982 661857d82a40 inet6: Check if we can try a new address on DAD failure. Roy Marples <roy@marples.name> parents: 4978 diff changeset	1930 if (ia->flags & IPV6_AF_AUTOCONF && IA6_CANAUTOCONF(ia))
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1931 flags \|= IFA_F_MANAGETEMPADDR;
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1932 #endif
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1933 #ifdef IFA_F_NOPREFIXROUTE
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1934 if (!IN6_IS_ADDR_LINKLOCAL(&ia->addr))
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1935 flags \|= IFA_F_NOPREFIXROUTE;
93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1936 #endif
4609 636120b95e27 Linux: Fix compile on 3.x Roy Marples <roy@marples.name> parents: 4574 diff changeset	1937 #if defined(IFA_F_MANAGETEMPADDR) \|\| defined(IFA_F_NOPREFIXROUTE)
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1938 add_attr_32(&nlm.hdr, sizeof(nlm), IFA_FLAGS, flags);
4609 636120b95e27 Linux: Fix compile on 3.x Roy Marples <roy@marples.name> parents: 4574 diff changeset	1939 #endif
4555 93b4eb29d297 DHCP: Set address vltime and pltime to the length of the lease Roy Marples <roy@marples.name> parents: 4548 diff changeset	1940
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1941 memset(&cinfo, 0, sizeof(cinfo));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1942 cinfo.ifa_prefered = ia->prefix_pltime;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1943 cinfo.ifa_valid = ia->prefix_vltime;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1944 add_attr_l(&nlm.hdr, sizeof(nlm), IFA_CACHEINFO,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1945 &cinfo, sizeof(cinfo));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1946 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1947
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1948 return if_sendnetlink(ia->iface->ctx, NETLINK_ROUTE, &nlm.hdr,
8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	1949 NULL, NULL);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1950 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1951
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1952 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1953 if_addrflags6(const struct interface ifp, const struct in6_addr addr,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1954 __unused const char *alias)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1955 {
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1956 char buf[PS_BUFLEN], bp = buf, line;
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1957 ssize_t buflen;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1958 char *p, ifaddress[33], address[33], name[IF_NAMESIZE + 1];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1959 unsigned int ifindex;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1960 int prefix, scope, flags, i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1961
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1962 buflen = dhcp_readfile(ifp->ctx, PROC_INET6, buf, sizeof(buf));
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1963 if (buflen == -1)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1964 return -1;
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1965 if ((size_t)buflen == sizeof(buf)) {
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1966 errno = ENOBUFS;
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1967 return -1;
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1968 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1969
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1970 p = ifaddress;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1971 for (i = 0; i < (int)sizeof(addr->s6_addr); i++) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1972 p += snprintf(p, 3, "%.2x", addr->s6_addr[i]);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1973 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1974 *p = '\0';
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1975
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1976 while ((line = get_line(&bp, &buflen)) != NULL) {
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1977 if (sscanf(line,
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1978 "%32[a-f0-9] %x %x %x %x %"TOSTRING(IF_NAMESIZE)"s\n",
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1979 address, &ifindex, &prefix, &scope, &flags, name) != 6 \|\|
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1980 strlen(address) != 32)
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	1981 {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1982 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1983 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1984 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1985 if (strcmp(name, ifp->name) == 0 &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1986 strcmp(ifaddress, address) == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1987 return flags;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1988 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1989
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1990 errno = ESRCH;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1991 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1992 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1993
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1994 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1995 if_getlifetime6(__unused struct ipv6_addr *ia)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1996 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1997
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1998 /* God knows how to work out address lifetimes on Linux */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1999 errno = ENOTSUP;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2000 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2001 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2002
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2003 struct nlml
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2004 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2005 struct nlmsghdr hdr;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2006 struct ifinfomsg i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2007 char buffer[32];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2008 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2009
5134 3b4dcb6c284c linux: Remove warning when HAVE_IN6_ADDR_GEN_MODE_NONE isn't supported Roy Marples <roy@marples.name> parents: 5130 diff changeset	2010 #ifdef HAVE_IN6_ADDR_GEN_MODE_NONE
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2011 static struct rtattr *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2012 add_attr_nest(struct nlmsghdr *n, unsigned short maxlen, unsigned short type)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2013 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2014 struct rtattr *nest;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2015
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2016 nest = NLMSG_TAIL(n);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2017 add_attr_l(n, maxlen, 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	2018 return nest;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2019 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2020
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2021 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2022 add_attr_nest_end(struct nlmsghdr n, struct rtattr nest)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2023 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2024
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2025 nest->rta_len = (unsigned short)((char )NLMSG_TAIL(n) - (char )nest);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2026 }
5134 3b4dcb6c284c linux: Remove warning when HAVE_IN6_ADDR_GEN_MODE_NONE isn't supported Roy Marples <roy@marples.name> parents: 5130 diff changeset	2027 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2028
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2029 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2030 if_disable_autolinklocal(struct dhcpcd_ctx *ctx, unsigned int ifindex)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2031 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2032 #ifdef HAVE_IN6_ADDR_GEN_MODE_NONE
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2033 struct nlml nlm;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2034 struct rtattr afs, afs6;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2035
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2036 memset(&nlm, 0, sizeof(nlm));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2037 nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2038 nlm.hdr.nlmsg_type = RTM_NEWLINK;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2039 nlm.hdr.nlmsg_flags = NLM_F_REQUEST;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2040 nlm.i.ifi_family = AF_INET6;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2041 nlm.i.ifi_index = (int)ifindex;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2042 afs = add_attr_nest(&nlm.hdr, sizeof(nlm), IFLA_AF_SPEC);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2043 afs6 = add_attr_nest(&nlm.hdr, sizeof(nlm), AF_INET6);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2044 add_attr_8(&nlm.hdr, sizeof(nlm), IFLA_INET6_ADDR_GEN_MODE,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2045 IN6_ADDR_GEN_MODE_NONE);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2046 add_attr_nest_end(&nlm.hdr, afs6);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2047 add_attr_nest_end(&nlm.hdr, afs);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2048
4808 8761aaee4efe Linux: improve the netlink API more Roy Marples <roy@marples.name> parents: 4804 diff changeset	2049 return if_sendnetlink(ctx, NETLINK_ROUTE, &nlm.hdr, NULL, NULL);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2050 #else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2051 UNUSED(ctx);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2052 UNUSED(ifindex);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2053 errno = ENOTSUP;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2054 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2055 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2056 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2057
4814 409f831b6585 Linux: fix compile for prior Roy Marples <roy@marples.name> parents: 4813 diff changeset	2058 static const char *p_conf = "/proc/sys/net/ipv6/conf";
409f831b6585 Linux: fix compile for prior Roy Marples <roy@marples.name> parents: 4813 diff changeset	2059 static const char *p_neigh = "/proc/sys/net/ipv6/neigh";
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2060
4218 f618f850efdc inet6: simplify setup of kernel Roy Marples <roy@marples.name> parents: 4197 diff changeset	2061 void
f618f850efdc inet6: simplify setup of kernel Roy Marples <roy@marples.name> parents: 4197 diff changeset	2062 if_setup_inet6(const 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	2063 {
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	2064 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	2065 int ra;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2066 char path[256];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2067
5384 6d1812f4a3ac Linux: Sweep errors about disabling autogeneration of LL addrs Roy Marples <roy@marples.name> parents: 5383 diff changeset	2068 /* The kernel cannot make stable private addresses.
6d1812f4a3ac Linux: Sweep errors about disabling autogeneration of LL addrs Roy Marples <roy@marples.name> parents: 5383 diff changeset	2069 * However, a lot of distros ship newer kernel headers than
6d1812f4a3ac Linux: Sweep errors about disabling autogeneration of LL addrs Roy Marples <roy@marples.name> parents: 5383 diff changeset	2070 * the kernel itself so sweep that error under the table. */
6d1812f4a3ac Linux: Sweep errors about disabling autogeneration of LL addrs Roy Marples <roy@marples.name> parents: 5383 diff changeset	2071 if (if_disable_autolinklocal(ctx, ifp->index) == -1 &&
6d1812f4a3ac Linux: Sweep errors about disabling autogeneration of LL addrs Roy Marples <roy@marples.name> parents: 5383 diff changeset	2072 errno != ENODEV && errno != ENOTSUP && errno != EINVAL)
4218 f618f850efdc inet6: simplify setup of kernel Roy Marples <roy@marples.name> parents: 4197 diff changeset	2073 logdebug("%s: if_disable_autolinklocal", ifp->name);
f618f850efdc inet6: simplify setup of kernel Roy Marples <roy@marples.name> parents: 4197 diff changeset	2074
f618f850efdc inet6: simplify setup of kernel Roy Marples <roy@marples.name> parents: 4197 diff changeset	2075 /*
4229 12388193ccdc inet6: remove references to the crazies. Roy Marples <roy@marples.name> parents: 4225 diff changeset	2076 * If not doing autoconf, don't disable the kernel from doing it.
12388193ccdc inet6: remove references to the crazies. Roy Marples <roy@marples.name> parents: 4225 diff changeset	2077 * If we need to, we should have another option actively disable it.
4218 f618f850efdc inet6: simplify setup of kernel Roy Marples <roy@marples.name> parents: 4197 diff changeset	2078 */
f618f850efdc inet6: simplify setup of kernel Roy Marples <roy@marples.name> parents: 4197 diff changeset	2079 if (!(ifp->options->options & DHCPCD_IPV6RS))
f618f850efdc inet6: simplify setup of kernel Roy Marples <roy@marples.name> parents: 4197 diff changeset	2080 return;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2081
4814 409f831b6585 Linux: fix compile for prior Roy Marples <roy@marples.name> parents: 4813 diff changeset	2082 snprintf(path, sizeof(path), "%s/%s/autoconf", p_conf, ifp->name);
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	2083 ra = check_proc_int(ctx, path);
4218 f618f850efdc inet6: simplify setup of kernel Roy Marples <roy@marples.name> parents: 4197 diff changeset	2084 if (ra != 1 && ra != -1) {
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	2085 if (if_writepathuint(ctx, path, 0) == -1)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3965 diff changeset	2086 logerr("%s: %s", __func__, path);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2087 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2088
4814 409f831b6585 Linux: fix compile for prior Roy Marples <roy@marples.name> parents: 4813 diff changeset	2089 snprintf(path, sizeof(path), "%s/%s/accept_ra", p_conf, ifp->name);
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	2090 ra = check_proc_int(ctx, path);
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3965 diff changeset	2091 if (ra == -1) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2092 /* The sysctl probably doesn't exist, but this isn't an
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2093 * error as such so just log it and continue */
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5051 diff changeset	2094 if (errno != ENOENT)
7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5051 diff changeset	2095 logerr("%s: %s", __func__, path);
4218 f618f850efdc inet6: simplify setup of kernel Roy Marples <roy@marples.name> parents: 4197 diff changeset	2096 } else if (ra != 0) {
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	2097 if (if_writepathuint(ctx, path, 0) == -1)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3965 diff changeset	2098 logerr("%s: %s", __func__, path);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2099 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2100 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2101
4813 ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4809 diff changeset	2102 int
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4809 diff changeset	2103 if_applyra(const struct ra *rap)
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4809 diff changeset	2104 {
4814 409f831b6585 Linux: fix compile for prior Roy Marples <roy@marples.name> parents: 4813 diff changeset	2105 char path[256];
409f831b6585 Linux: fix compile for prior Roy Marples <roy@marples.name> parents: 4813 diff changeset	2106 const char *ifname = rap->iface->name;
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4828 diff changeset	2107 struct dhcpcd_ctx *ctx = rap->iface->ctx;
4813 ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4809 diff changeset	2108 int error = 0;
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4809 diff changeset	2109
5178 fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2110 if (rap->hoplimit != 0) {
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2111 snprintf(path, sizeof(path), "%s/%s/hop_limit", p_conf, ifname);
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2112 if (if_writepathuint(ctx, path, rap->hoplimit) == -1)
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2113 error = -1;
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2114 }
4826 c5cf512c2370 Linux: prefer ms RA times Roy Marples <roy@marples.name> parents: 4814 diff changeset	2115
5178 fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2116 if (rap->retrans != 0) {
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2117 snprintf(path, sizeof(path), "%s/%s/retrans_time_ms",
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2118 p_neigh, ifname);
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2119 if (if_writepathuint(ctx, path, rap->retrans) == -1)
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2120 error = -1;
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2121 }
4826 c5cf512c2370 Linux: prefer ms RA times Roy Marples <roy@marples.name> parents: 4814 diff changeset	2122
5178 fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2123 if (rap->reachable != 0) {
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2124 snprintf(path, sizeof(path), "%s/%s/base_reachable_time_ms",
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2125 p_neigh, ifname);
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2126 if (if_writepathuint(ctx, path, rap->reachable) == -1)
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2127 error = -1;
fbe055b8e53d Linux: Only set positive reachable timers Roy Marples <roy@marples.name> parents: 5172 diff changeset	2128 }
4916 7513775ead91 inet6: Adjust prior so that we don't support old kernels Roy Marples <roy@marples.name> parents: 4914 diff changeset	2129
4813 ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4809 diff changeset	2130 return error;
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4809 diff changeset	2131 }
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4809 diff changeset	2132
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	2133 int
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	2134 ip6_forwarding(const char *ifname)
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	2135 {
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	2136 char path[256], buf[64];
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	2137 int error, i;
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	2138
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	2139 if (ifname == NULL)
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	2140 ifname = "all";
4814 409f831b6585 Linux: fix compile for prior Roy Marples <roy@marples.name> parents: 4813 diff changeset	2141 snprintf(path, sizeof(path), "%s/%s/forwarding", p_conf, ifname);
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	2142 if (readfile(path, buf, sizeof(buf)) == -1)
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	2143 return 0;
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5234 diff changeset	2144 i = (int)strtoi(buf, NULL, 0, INT_MIN, INT_MAX, &error);
5414 bf786eeda3fc Linux: fix reading the ipv6 forwarding proc entry Roy Marples <roy@marples.name> parents: 5388 diff changeset	2145 if (error != 0 && error != ENOTSUP)
5281 9f9a330f6e24 Fix some Coverity isues Roy Marples <roy@marples.name> parents: 5264 diff changeset	2146 return 0;
9f9a330f6e24 Fix some Coverity isues Roy Marples <roy@marples.name> parents: 5264 diff changeset	2147 return i;
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	2148 }
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	2149
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2150 #endif /* INET6 */

Mercurial > hg > dhcpcd

annotate src/if-linux.c @ 5534:605f7f9a20c0 draft