hg/dhcpcd: src/ipv6nd.c annotate

annotate src/ipv6nd.c @ 5535:a0d828e25482 draft

Add --noconfigure option With this set dhcpcd will not configure anything on the host. The expectation is that a 3rd party script will instead.

author	Roy Marples <roy@marples.name>
date	Wed, 04 Nov 2020 14:18:48 +0000
parents	6a2da5651841
children	e65d193a1960

rev	line source
4548 c7df03794de3 Add SPDX identifiers to all dhcpcd source files. Yegor Yefremov <yegorslists@googlemail.com> parents: 4534 diff changeset	1 /* SPDX-License-Identifier: BSD-2-Clause */
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2 /*
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	3 * dhcpcd - IPv6 ND handling
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 <sys/ioctl.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	30 #include <sys/param.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	31 #include <sys/socket.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	32 #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	33 #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	34 #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	35 #include <netinet/ip6.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	36 #include <netinet/icmp6.h>
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	37
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	38 #include <assert.h>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	39 #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	40 #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	41 #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	42 #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	43 #include <string.h>
5065 641e15827969 Be pedantic and move syslog.h into the right place Roy Marples <roy@marples.name> parents: 5064 diff changeset	44 #include <syslog.h>
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	45 #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	46
5038 1e35e845790a eloop: define eloop queue numbers in common.h Roy Marples <roy@marples.name> parents: 4990 diff changeset	47 #define ELOOP_QUEUE ELOOP_IPV6ND
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	48 #include "common.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 "dhcpcd.h"
4349 f87c2ed9ff46 DHCP6: Remove #defines for functions when DHCP6 is disabled Roy Marples <roy@marples.name> parents: 4336 diff changeset	50 #include "dhcp-common.h"
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	51 #include "dhcp6.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 "eloop.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	53 #include "if.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	54 #include "ipv6.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	55 #include "ipv6nd.h"
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	56 #include "logerr.h"
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	57 #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	58 #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	59 #include "script.h"
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	60
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	61 /* Debugging Router Solicitations is a lot of spam, so disable it */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	62 //#define DEBUG_RS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	63
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	64 #ifndef ND_RA_FLAG_HOME_AGENT
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	65 #define ND_RA_FLAG_HOME_AGENT 0x20 /* Home Agent flag in RA */
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	66 #endif
5363 e161ef164608 inet6: Report RA Proxy flag if set Roy Marples <roy@marples.name> parents: 5362 diff changeset	67 #ifndef ND_RA_FLAG_PROXY
e161ef164608 inet6: Report RA Proxy flag if set Roy Marples <roy@marples.name> parents: 5362 diff changeset	68 #define ND_RA_FLAG_PROXY 0x04 /* Proxy */
e161ef164608 inet6: Report RA Proxy flag if set Roy Marples <roy@marples.name> parents: 5362 diff changeset	69 #endif
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	70 #ifndef ND_OPT_PI_FLAG_ROUTER
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	71 #define ND_OPT_PI_FLAG_ROUTER 0x20 /* Router flag in PI */
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	72 #endif
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	73
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	74 #ifndef ND_OPT_RDNSS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	75 #define ND_OPT_RDNSS 25
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	76 struct nd_opt_rdnss { /* RDNSS option RFC 6106 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	77 uint8_t nd_opt_rdnss_type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	78 uint8_t nd_opt_rdnss_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	79 uint16_t nd_opt_rdnss_reserved;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	80 uint32_t nd_opt_rdnss_lifetime;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	81 /* followed by list of IP prefixes */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	82 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	83 __CTASSERT(sizeof(struct nd_opt_rdnss) == 8);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	84 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	85
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	86 #ifndef ND_OPT_DNSSL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	87 #define ND_OPT_DNSSL 31
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	88 struct nd_opt_dnssl { /* DNSSL option RFC 6106 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	89 uint8_t nd_opt_dnssl_type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	90 uint8_t nd_opt_dnssl_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	91 uint16_t nd_opt_dnssl_reserved;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	92 uint32_t nd_opt_dnssl_lifetime;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	93 /* followed by list of DNS servers */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	94 };
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	95 __CTASSERT(sizeof(struct nd_opt_rdnss) == 8);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	96 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	97
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	98 /* Impossible options, so we can easily add extras */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	99 #define _ND_OPT_PREFIX_ADDR 255 + 1
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	100
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	101 /* Minimal IPv6 MTU */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	102 #ifndef IPV6_MMTU
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	103 #define IPV6_MMTU 1280
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	104 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	105
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	106 #ifndef ND_RA_FLAG_RTPREF_HIGH
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	107 #define ND_RA_FLAG_RTPREF_MASK 0x18
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	108 #define ND_RA_FLAG_RTPREF_HIGH 0x08
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	109 #define ND_RA_FLAG_RTPREF_MEDIUM 0x00
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	110 #define ND_RA_FLAG_RTPREF_LOW 0x18
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	111 #define ND_RA_FLAG_RTPREF_RSV 0x10
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	112 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	113
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	114 #define EXPIRED_MAX 5 /* Remember 5 expired routers to avoid
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	115 logspam. */
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	116
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	117 #define MIN_RANDOM_FACTOR 500 /* millisecs */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	118 #define MAX_RANDOM_FACTOR 1500 /* millisecs */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	119 #define MIN_RANDOM_FACTOR_U MIN_RANDOM_FACTOR * 1000 /* usecs */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	120 #define MAX_RANDOM_FACTOR_U MAX_RANDOM_FACTOR * 1000 /* usecs */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	121
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	122 #if BYTE_ORDER == BIG_ENDIAN
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	123 #define IPV6_ADDR_INT32_ONE 1
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	124 #define IPV6_ADDR_INT16_MLL 0xff02
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	125 #elif BYTE_ORDER == LITTLE_ENDIAN
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	126 #define IPV6_ADDR_INT32_ONE 0x01000000
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	127 #define IPV6_ADDR_INT16_MLL 0x02ff
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	128 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	129
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	130 /* Debugging Neighbor Solicitations is a lot of spam, so disable it */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	131 //#define DEBUG_NS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	132 //
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	133
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	134 static void ipv6nd_handledata(void *);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	135
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	136 /*
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	137 * Android ships buggy ICMP6 filter headers.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	138 * Supply our own until they fix their shit.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	139 * References:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	140 * https://android-review.googlesource.com/#/c/58438/
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	141 * http://code.google.com/p/android/issues/original?id=32621&seq=24
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	142 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	143 #ifdef __ANDROID__
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	144 #undef ICMP6_FILTER_WILLPASS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	145 #undef ICMP6_FILTER_WILLBLOCK
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	146 #undef ICMP6_FILTER_SETPASS
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	147 #undef ICMP6_FILTER_SETBLOCK
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	148 #undef ICMP6_FILTER_SETPASSALL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	149 #undef ICMP6_FILTER_SETBLOCKALL
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	150 #define ICMP6_FILTER_WILLPASS(type, filterp) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	151 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	152 #define ICMP6_FILTER_WILLBLOCK(type, filterp) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	153 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	154 #define ICMP6_FILTER_SETPASS(type, filterp) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	155 ((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31))))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	156 #define ICMP6_FILTER_SETBLOCK(type, filterp) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	157 ((((filterp)->icmp6_filt[(type) >> 5]) \|= (1 << ((type) & 31))))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	158 #define ICMP6_FILTER_SETPASSALL(filterp) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	159 memset(filterp, 0, sizeof(struct icmp6_filter));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	160 #define ICMP6_FILTER_SETBLOCKALL(filterp) \
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	161 memset(filterp, 0xff, sizeof(struct icmp6_filter));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	162 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	163
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	164 /* Support older systems with different defines */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	165 #if !defined(IPV6_RECVHOPLIMIT) && defined(IPV6_HOPLIMIT)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	166 #define IPV6_RECVHOPLIMIT IPV6_HOPLIMIT
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	167 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	168 #if !defined(IPV6_RECVPKTINFO) && defined(IPV6_PKTINFO)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	169 #define IPV6_RECVPKTINFO IPV6_PKTINFO
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	170 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	171
4140 57e2a4bfb9b7 ipv6nd_freedrop is no longer public. Roy Marples <roy@marples.name> parents: 4123 diff changeset	172 /* Handy defines */
57e2a4bfb9b7 ipv6nd_freedrop is no longer public. Roy Marples <roy@marples.name> parents: 4123 diff changeset	173 #define ipv6nd_free_ra(ra) ipv6nd_freedrop_ra((ra), 0)
57e2a4bfb9b7 ipv6nd_freedrop is no longer public. Roy Marples <roy@marples.name> parents: 4123 diff changeset	174 #define ipv6nd_drop_ra(ra) ipv6nd_freedrop_ra((ra), 1)
57e2a4bfb9b7 ipv6nd_freedrop is no longer public. Roy Marples <roy@marples.name> parents: 4123 diff changeset	175
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	176 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	177 ipv6nd_printoptions(const struct dhcpcd_ctx *ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	178 const struct dhcp_opt *opts, size_t opts_len)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	179 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	180 size_t i, j;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	181 const struct dhcp_opt opt, opt2;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	182 int cols;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	183
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	184 for (i = 0, opt = ctx->nd_opts;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	185 i < ctx->nd_opts_len; i++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	186 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	187 for (j = 0, opt2 = opts; j < opts_len; j++, opt2++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	188 if (opt2->option == opt->option)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	189 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	190 if (j == opts_len) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	191 cols = printf("%03d %s", opt->option, opt->var);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	192 dhcp_print_option_encoding(opt, cols);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	193 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	194 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	195 for (i = 0, opt = opts; i < opts_len; i++, opt++) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	196 cols = printf("%03d %s", opt->option, opt->var);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	197 dhcp_print_option_encoding(opt, cols);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	198 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	199 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	200
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	201 int
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	202 ipv6nd_open(bool recv)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	203 {
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	204 int fd, on;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	205 struct icmp6_filter filt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	206
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	207 fd = xsocket(PF_INET6, SOCK_RAW \| SOCK_CXNB, IPPROTO_ICMPV6);
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	208 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	209 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	210
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	211 ICMP6_FILTER_SETBLOCKALL(&filt);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	212
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	213 /* RFC4861 4.1 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	214 on = 255;
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	215 if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	216 &on, sizeof(on)) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	217 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	218
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	219 if (recv) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	220 on = 1;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	221 if (setsockopt(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO,
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	222 &on, sizeof(on)) == -1)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	223 goto eexit;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	224
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	225 on = 1;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	226 if (setsockopt(fd, IPPROTO_IPV6, IPV6_RECVHOPLIMIT,
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	227 &on, sizeof(on)) == -1)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	228 goto eexit;
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	229
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	230 ICMP6_FILTER_SETPASS(ND_ROUTER_ADVERT, &filt);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	231
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	232 #ifdef SO_RERROR
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	233 on = 1;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	234 if (setsockopt(fd, SOL_SOCKET, SO_RERROR,
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	235 &on, sizeof(on)) == -1)
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	236 goto eexit;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	237 #endif
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	238 }
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	239
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	240 if (setsockopt(fd, IPPROTO_ICMPV6, ICMP6_FILTER,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	241 &filt, sizeof(filt)) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	242 goto eexit;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	243
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	244 return fd;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	245
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	246 eexit:
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	247 close(fd);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	248 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	249 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	250
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	251 #ifdef __sun
4841 bace61b4b4ff Solaris: Fix non PRIVSEP compile Roy Marples <roy@marples.name> parents: 4840 diff changeset	252 int
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	253 ipv6nd_openif(struct interface *ifp)
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	254 {
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	255 int fd;
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	256 struct ipv6_mreq mreq = {
4486 ecc12563d4ad sun: Simplify initialisation of the multicast destination Roy Marples <roy@marples.name> parents: 4484 diff changeset	257 .ipv6mr_multiaddr = IN6ADDR_LINKLOCAL_ALLNODES_INIT,
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	258 .ipv6mr_interface = ifp->index
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	259 };
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	260 struct rs_state *state = RS_STATE(ifp);
4474 5038198ddbae sun: Bind IPv6ND socket to interface. Roy Marples <roy@marples.name> parents: 4473 diff changeset	261 uint_t ifindex = ifp->index;
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	262
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	263 if (state->nd_fd != -1)
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	264 return state->nd_fd;
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	265
5276 3bc21bfa52f8 Solaris: Fix compile Roy Marples <roy@marples.name> parents: 5258 diff changeset	266 fd = ipv6nd_open(true);
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	267 if (fd == -1)
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	268 return -1;
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	269
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	270 if (setsockopt(fd, IPPROTO_IPV6, IPV6_BOUND_IF,
4474 5038198ddbae sun: Bind IPv6ND socket to interface. Roy Marples <roy@marples.name> parents: 4473 diff changeset	271 &ifindex, sizeof(ifindex)) == -1)
5038198ddbae sun: Bind IPv6ND socket to interface. Roy Marples <roy@marples.name> parents: 4473 diff changeset	272 {
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	273 close(fd);
4474 5038198ddbae sun: Bind IPv6ND socket to interface. Roy Marples <roy@marples.name> parents: 4473 diff changeset	274 return -1;
5038198ddbae sun: Bind IPv6ND socket to interface. Roy Marples <roy@marples.name> parents: 4473 diff changeset	275 }
5038198ddbae sun: Bind IPv6ND socket to interface. Roy Marples <roy@marples.name> parents: 4473 diff changeset	276
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	277 if (setsockopt(fd, IPPROTO_IPV6, IPV6_JOIN_GROUP,
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	278 &mreq, sizeof(mreq)) == -1)
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	279 {
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	280 close(fd);
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	281 return -1;
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	282 }
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	283
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	284 state->nd_fd = fd;
8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	285 eloop_event_add(ifp->ctx->eloop, fd, ipv6nd_handledata, ifp);
8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	286 return fd;
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	287 }
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	288 #endif
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	289
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	290 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	291 ipv6nd_makersprobe(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	292 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	293 struct rs_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	294 struct nd_router_solicit *rs;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	295
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	296 state = RS_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	297 free(state->rs);
4076 9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	298 state->rslen = sizeof(*rs);
9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	299 if (ifp->hwlen != 0)
9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	300 state->rslen += (size_t)ROUNDUP8(ifp->hwlen + 2);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	301 state->rs = calloc(1, state->rslen);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	302 if (state->rs == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	303 return -1;
4114 ac458a95c4c7 Fix a memory issue. Roy Marples <roy@marples.name> parents: 4090 diff changeset	304 rs = state->rs;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	305 rs->nd_rs_type = ND_ROUTER_SOLICIT;
4114 ac458a95c4c7 Fix a memory issue. Roy Marples <roy@marples.name> parents: 4090 diff changeset	306 //rs->nd_rs_code = 0;
ac458a95c4c7 Fix a memory issue. Roy Marples <roy@marples.name> parents: 4090 diff changeset	307 //rs->nd_rs_cksum = 0;
ac458a95c4c7 Fix a memory issue. Roy Marples <roy@marples.name> parents: 4090 diff changeset	308 //rs->nd_rs_reserved = 0;
4076 9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	309
9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	310 if (ifp->hwlen != 0) {
9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	311 struct nd_opt_hdr *nd;
9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	312
4114 ac458a95c4c7 Fix a memory issue. Roy Marples <roy@marples.name> parents: 4090 diff changeset	313 nd = (struct nd_opt_hdr *)(state->rs + 1);
4076 9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	314 nd->nd_opt_type = ND_OPT_SOURCE_LINKADDR;
9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	315 nd->nd_opt_len = (uint8_t)((ROUNDUP8(ifp->hwlen + 2)) >> 3);
9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	316 memcpy(nd + 1, ifp->hwaddr, ifp->hwlen);
9433864aa014 Hardware Address validation Roy Marples <roy@marples.name> parents: 4024 diff changeset	317 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	318 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	319 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	320
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	321 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	322 ipv6nd_sendrsprobe(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	323 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	324 struct interface *ifp = arg;
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	325 struct rs_state *state = RS_STATE(ifp);
4476 60b8905c878e IPv6ND: Use generic initialisers rather than inet_pton Roy Marples <roy@marples.name> parents: 4474 diff changeset	326 struct sockaddr_in6 dst = {
60b8905c878e IPv6ND: Use generic initialisers rather than inet_pton Roy Marples <roy@marples.name> parents: 4474 diff changeset	327 .sin6_family = AF_INET6,
60b8905c878e IPv6ND: Use generic initialisers rather than inet_pton Roy Marples <roy@marples.name> parents: 4474 diff changeset	328 .sin6_addr = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT,
60b8905c878e IPv6ND: Use generic initialisers rather than inet_pton Roy Marples <roy@marples.name> parents: 4474 diff changeset	329 .sin6_scope_id = ifp->index,
60b8905c878e IPv6ND: Use generic initialisers rather than inet_pton Roy Marples <roy@marples.name> parents: 4474 diff changeset	330 };
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	331 struct iovec iov = { .iov_base = state->rs, .iov_len = state->rslen };
5172 6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5171 diff changeset	332 union {
6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5171 diff changeset	333 struct cmsghdr hdr;
6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5171 diff changeset	334 uint8_t buf[CMSG_SPACE(sizeof(struct in6_pktinfo))];
6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5171 diff changeset	335 } cmsgbuf = { .buf = { 0 } };
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	336 struct msghdr msg = {
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	337 .msg_name = &dst, .msg_namelen = sizeof(dst),
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	338 .msg_iov = &iov, .msg_iovlen = 1,
5172 6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5171 diff changeset	339 .msg_control = cmsgbuf.buf, .msg_controllen = sizeof(cmsgbuf.buf),
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	340 };
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	341 struct cmsghdr *cm;
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	342 struct in6_pktinfo pi = { .ipi6_ifindex = ifp->index };
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	343 int s;
5276 3bc21bfa52f8 Solaris: Fix compile Roy Marples <roy@marples.name> parents: 5258 diff changeset	344 #ifndef __sun
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	345 struct dhcpcd_ctx *ctx = ifp->ctx;
5276 3bc21bfa52f8 Solaris: Fix compile Roy Marples <roy@marples.name> parents: 5258 diff changeset	346 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	347
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	348 if (ipv6_linklocal(ifp) == NULL) {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4010 diff changeset	349 logdebugx("%s: delaying Router Solicitation for LL address",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	350 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	351 ipv6_addlinklocalcallback(ifp, ipv6nd_sendrsprobe, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	352 return;
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
4192 72557c2f086e bsd: set sa_len Roy Marples <roy@marples.name> parents: 4183 diff changeset	355 #ifdef HAVE_SA_LEN
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	356 dst.sin6_len = sizeof(dst);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	357 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	358
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	359 /* Set the outbound interface */
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	360 cm = CMSG_FIRSTHDR(&msg);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	361 if (cm == NULL) /* unlikely */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	362 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	363 cm->cmsg_level = IPPROTO_IPV6;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	364 cm->cmsg_type = IPV6_PKTINFO;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	365 cm->cmsg_len = CMSG_LEN(sizeof(pi));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	366 memcpy(CMSG_DATA(cm), &pi, sizeof(pi));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	367
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4010 diff changeset	368 logdebugx("%s: sending Router Solicitation", ifp->name);
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	369 #ifdef PRIVSEP
4869 5bad3606b951 privsep: prefer IN_PRIVSEP macros Roy Marples <roy@marples.name> parents: 4856 diff changeset	370 if (IN_PRIVSEP(ifp->ctx)) {
4842 efc22a0dde81 Solaris: start privsep support Roy Marples <roy@marples.name> parents: 4841 diff changeset	371 if (ps_inet_sendnd(ifp, &msg) == -1)
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	372 logerr(__func__);
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	373 goto sent;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	374 }
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	375 #endif
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	376 #ifdef __sun
5278 ffa72e19fcb8 Solaris: Fix sending RS probes Roy Marples <roy@marples.name> parents: 5276 diff changeset	377 if (state->nd_fd == -1) {
ffa72e19fcb8 Solaris: Fix sending RS probes Roy Marples <roy@marples.name> parents: 5276 diff changeset	378 if (ipv6nd_openif(ifp) == -1) {
ffa72e19fcb8 Solaris: Fix sending RS probes Roy Marples <roy@marples.name> parents: 5276 diff changeset	379 logerr(__func__);
ffa72e19fcb8 Solaris: Fix sending RS probes Roy Marples <roy@marples.name> parents: 5276 diff changeset	380 return;
ffa72e19fcb8 Solaris: Fix sending RS probes Roy Marples <roy@marples.name> parents: 5276 diff changeset	381 }
ffa72e19fcb8 Solaris: Fix sending RS probes Roy Marples <roy@marples.name> parents: 5276 diff changeset	382 }
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	383 s = state->nd_fd;
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	384 #else
5231 a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	385 if (ctx->nd_fd == -1) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	386 ctx->nd_fd = ipv6nd_open(true);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	387 if (ctx->nd_fd == -1) {
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	388 logerr(__func__);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	389 return;
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	390 }
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	391 eloop_event_add(ctx->eloop, ctx->nd_fd, ipv6nd_handledata, ctx);
a2c342295221 privsep: Enable Capsicum for all processes. Roy Marples <roy@marples.name> parents: 5204 diff changeset	392 }
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	393 s = ifp->ctx->nd_fd;
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	394 #endif
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	395 if (sendmsg(s, &msg, 0) == -1) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	396 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	397 /* Allow IPv6ND to continue .... at most a few errors
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	398 * would be logged.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	399 * Generally the error is ENOBUFS when struggling to
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	400 * associate with an access point. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	401 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	402
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	403 #ifdef PRIVSEP
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	404 sent:
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	405 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	406 if (state->rsprobes++ < MAX_RTR_SOLICITATIONS)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	407 eloop_timeout_add_sec(ifp->ctx->eloop,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	408 RTR_SOLICITATION_INTERVAL, ipv6nd_sendrsprobe, ifp);
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	409 else
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	410 logwarnx("%s: no IPv6 Routers available", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	411 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	412
4588 6aced73a8438 Remove ND6 Advertisement from SMALL builds. Roy Marples <roy@marples.name> parents: 4564 diff changeset	413 #ifdef ND6_ADVERTISE
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	414 static void
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	415 ipv6nd_sendadvertisement(void *arg)
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	416 {
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	417 struct ipv6_addr *ia = arg;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	418 struct interface *ifp = ia->iface;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	419 struct dhcpcd_ctx *ctx = ifp->ctx;
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	420 struct sockaddr_in6 dst = {
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	421 .sin6_family = AF_INET6,
4476 60b8905c878e IPv6ND: Use generic initialisers rather than inet_pton Roy Marples <roy@marples.name> parents: 4474 diff changeset	422 .sin6_addr = IN6ADDR_LINKLOCAL_ALLNODES_INIT,
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	423 .sin6_scope_id = ifp->index,
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	424 };
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	425 struct iovec iov = { .iov_base = ia->na, .iov_len = ia->na_len };
5172 6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5171 diff changeset	426 union {
6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5171 diff changeset	427 struct cmsghdr hdr;
6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5171 diff changeset	428 uint8_t buf[CMSG_SPACE(sizeof(struct in6_pktinfo))];
6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5171 diff changeset	429 } cmsgbuf = { .buf = { 0 } };
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	430 struct msghdr msg = {
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	431 .msg_name = &dst, .msg_namelen = sizeof(dst),
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	432 .msg_iov = &iov, .msg_iovlen = 1,
5172 6efcf294d3a0 Align more CMSG foo. Roy Marples <roy@marples.name> parents: 5171 diff changeset	433 .msg_control = cmsgbuf.buf, .msg_controllen = sizeof(cmsgbuf.buf),
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	434 };
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	435 struct cmsghdr *cm;
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	436 struct in6_pktinfo pi = { .ipi6_ifindex = ifp->index };
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	437 const struct rs_state *state = RS_CSTATE(ifp);
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	438 int s;
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	439
5499 6a2da5651841 dhcpcd: Simplify the link handling even more Roy Marples <roy@marples.name> parents: 5497 diff changeset	440 if (state == NULL \|\| !if_is_link_up(ifp))
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	441 goto freeit;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	442
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	443 #ifdef SIN6_LEN
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	444 dst.sin6_len = sizeof(dst);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	445 #endif
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	446
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	447 /* Set the outbound interface. */
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	448 cm = CMSG_FIRSTHDR(&msg);
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	449 assert(cm != NULL);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	450 cm->cmsg_level = IPPROTO_IPV6;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	451 cm->cmsg_type = IPV6_PKTINFO;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	452 cm->cmsg_len = CMSG_LEN(sizeof(pi));
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	453 memcpy(CMSG_DATA(cm), &pi, sizeof(pi));
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	454 logdebugx("%s: sending NA for %s", ifp->name, ia->saddr);
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	455
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	456 #ifdef PRIVSEP
4869 5bad3606b951 privsep: prefer IN_PRIVSEP macros Roy Marples <roy@marples.name> parents: 4856 diff changeset	457 if (IN_PRIVSEP(ifp->ctx)) {
4842 efc22a0dde81 Solaris: start privsep support Roy Marples <roy@marples.name> parents: 4841 diff changeset	458 if (ps_inet_sendnd(ifp, &msg) == -1)
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	459 logerr(__func__);
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	460 goto sent;
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	461 }
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	462 #endif
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	463 #ifdef __sun
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	464 s = state->nd_fd;
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	465 #else
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	466 s = ctx->nd_fd;
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	467 #endif
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	468 if (sendmsg(s, &msg, 0) == -1)
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	469 logerr(__func__);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	470
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	471 #ifdef PRIVSEP
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	472 sent:
073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	473 #endif
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	474 if (++ia->na_count < MAX_NEIGHBOR_ADVERTISEMENT) {
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	475 eloop_timeout_add_sec(ctx->eloop,
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	476 state->retrans / 1000, ipv6nd_sendadvertisement, ia);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	477 return;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	478 }
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	479
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	480 freeit:
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	481 free(ia->na);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	482 ia->na = NULL;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	483 ia->na_count = 0;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	484 }
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	485
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	486 void
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	487 ipv6nd_advertise(struct ipv6_addr *ia)
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	488 {
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	489 struct dhcpcd_ctx *ctx;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	490 struct interface *ifp;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	491 struct ipv6_state *state;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	492 struct ipv6_addr iap, iaf;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	493 struct nd_neighbor_advert *na;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	494
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	495 if (IN6_IS_ADDR_MULTICAST(&ia->addr))
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	496 return;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	497
4686 4e051b494520 Solaris: Sending NA now seems to work! Roy Marples <roy@marples.name> parents: 4669 diff changeset	498 #ifdef __sun
4e051b494520 Solaris: Sending NA now seems to work! Roy Marples <roy@marples.name> parents: 4669 diff changeset	499 if (!(ia->flags & IPV6_AF_AUTOCONF) && ia->flags & IPV6_AF_RAPFX)
4e051b494520 Solaris: Sending NA now seems to work! Roy Marples <roy@marples.name> parents: 4669 diff changeset	500 return;
4e051b494520 Solaris: Sending NA now seems to work! Roy Marples <roy@marples.name> parents: 4669 diff changeset	501 #endif
4e051b494520 Solaris: Sending NA now seems to work! Roy Marples <roy@marples.name> parents: 4669 diff changeset	502
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	503 ctx = ia->iface->ctx;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	504 /* Find the most preferred address to advertise. */
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	505 iaf = NULL;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	506 TAILQ_FOREACH(ifp, ctx->ifaces, next) {
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	507 state = IPV6_STATE(ifp);
5499 6a2da5651841 dhcpcd: Simplify the link handling even more Roy Marples <roy@marples.name> parents: 5497 diff changeset	508 if (state == NULL \|\| !if_is_link_up(ifp))
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	509 continue;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	510
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	511 TAILQ_FOREACH(iap, &state->addrs, next) {
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	512 if (!IN6_ARE_ADDR_EQUAL(&iap->addr, &ia->addr))
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	513 continue;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	514
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	515 /* Cancel any current advertisement. */
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	516 eloop_timeout_delete(ctx->eloop,
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	517 ipv6nd_sendadvertisement, iap);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	518
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	519 /* Don't advertise what we can't use. */
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	520 if (iap->prefix_vltime == 0 \|\|
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	521 iap->addr_flags & IN6_IFF_NOTUSEABLE)
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	522 continue;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	523
4393 c75918907654 ipv6nd: Don't sort interfaces when picking best address Roy Marples <roy@marples.name> parents: 4374 diff changeset	524 if (iaf == NULL \|\|
c75918907654 ipv6nd: Don't sort interfaces when picking best address Roy Marples <roy@marples.name> parents: 4374 diff changeset	525 iaf->iface->metric > iap->iface->metric)
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	526 iaf = iap;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	527 }
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	528 }
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	529 if (iaf == NULL)
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	530 return;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	531
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	532 /* Make the packet. */
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	533 ifp = iaf->iface;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	534 iaf->na_len = sizeof(*na);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	535 if (ifp->hwlen != 0)
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	536 iaf->na_len += (size_t)ROUNDUP8(ifp->hwlen + 2);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	537 na = calloc(1, iaf->na_len);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	538 if (na == NULL) {
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	539 logerr(__func__);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	540 return;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	541 }
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	542
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	543 na->nd_na_type = ND_NEIGHBOR_ADVERT;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	544 na->nd_na_flags_reserved = ND_NA_FLAG_OVERRIDE;
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5231 diff changeset	545 #if defined(PRIVSEP) && (defined(__linux__) \|\| defined(HAVE_PLEDGE))
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5231 diff changeset	546 if (IN_PRIVSEP(ctx)) {
5413 bb929420bc5d Linux: IP6 forwaring only applies to "all" interface Roy Marples <roy@marples.name> parents: 5372 diff changeset	547 if (ps_root_ip6forwarding(ctx, ifp->name) != 0)
5258 f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5231 diff changeset	548 na->nd_na_flags_reserved \|= ND_NA_FLAG_ROUTER;
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5231 diff changeset	549 } else
f29e384aa13e privsep: Allow Linux to work without needing any mounts Roy Marples <roy@marples.name> parents: 5231 diff changeset	550 #endif
5413 bb929420bc5d Linux: IP6 forwaring only applies to "all" interface Roy Marples <roy@marples.name> parents: 5372 diff changeset	551 if (ip6_forwarding(ifp->name) != 0)
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	552 na->nd_na_flags_reserved \|= ND_NA_FLAG_ROUTER;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	553 na->nd_na_target = ia->addr;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	554
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	555 if (ifp->hwlen != 0) {
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	556 struct nd_opt_hdr *opt;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	557
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	558 opt = (struct nd_opt_hdr *)(na + 1);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	559 opt->nd_opt_type = ND_OPT_TARGET_LINKADDR;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	560 opt->nd_opt_len = (uint8_t)((ROUNDUP8(ifp->hwlen + 2)) >> 3);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	561 memcpy(opt + 1, ifp->hwaddr, ifp->hwlen);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	562 }
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	563
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	564 iaf->na_count = 0;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	565 free(iaf->na);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	566 iaf->na = na;
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	567 eloop_timeout_delete(ctx->eloop, ipv6nd_sendadvertisement, iaf);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	568 ipv6nd_sendadvertisement(iaf);
d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	569 }
4604 1224950f9862 BSD: Warn when kernel does not support sending ND6 advertisements Roy Marples <roy@marples.name> parents: 4603 diff changeset	570 #elif !defined(SMALL)
1224950f9862 BSD: Warn when kernel does not support sending ND6 advertisements Roy Marples <roy@marples.name> parents: 4603 diff changeset	571 #warning kernel does not support userland sending ND6 advertisements
4588 6aced73a8438 Remove ND6 Advertisement from SMALL builds. Roy Marples <roy@marples.name> parents: 4564 diff changeset	572 #endif /* ND6_ADVERTISE */
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	573
4534 003dc9907bba RA: expire whole RA on carrier up Roy Marples <roy@marples.name> parents: 4532 diff changeset	574 static void
003dc9907bba RA: expire whole RA on carrier up Roy Marples <roy@marples.name> parents: 4532 diff changeset	575 ipv6nd_expire(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	576 {
4534 003dc9907bba RA: expire whole RA on carrier up Roy Marples <roy@marples.name> parents: 4532 diff changeset	577 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	578 struct ra *rap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	579
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	580 if (ifp->ctx->ra_routers == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	581 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	582
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	583 TAILQ_FOREACH(rap, ifp->ctx->ra_routers, next) {
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	584 if (rap->iface == ifp && rap->willexpire)
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	585 rap->doexpire = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	586 }
4534 003dc9907bba RA: expire whole RA on carrier up Roy Marples <roy@marples.name> parents: 4532 diff changeset	587 ipv6nd_expirera(ifp);
003dc9907bba RA: expire whole RA on carrier up Roy Marples <roy@marples.name> parents: 4532 diff changeset	588 }
003dc9907bba RA: expire whole RA on carrier up Roy Marples <roy@marples.name> parents: 4532 diff changeset	589
003dc9907bba RA: expire whole RA on carrier up Roy Marples <roy@marples.name> parents: 4532 diff changeset	590 void
003dc9907bba RA: expire whole RA on carrier up Roy Marples <roy@marples.name> parents: 4532 diff changeset	591 ipv6nd_startexpire(struct interface *ifp)
003dc9907bba RA: expire whole RA on carrier up Roy Marples <roy@marples.name> parents: 4532 diff changeset	592 {
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	593 struct ra *rap;
4534 003dc9907bba RA: expire whole RA on carrier up Roy Marples <roy@marples.name> parents: 4532 diff changeset	594
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	595 if (ifp->ctx->ra_routers == NULL)
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	596 return;
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	597
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	598 TAILQ_FOREACH(rap, ifp->ctx->ra_routers, next) {
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	599 if (rap->iface == ifp)
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	600 rap->willexpire = true;
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	601 }
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	602 eloop_q_timeout_add_sec(ifp->ctx->eloop, ELOOP_IPV6RA_EXPIRE,
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	603 RTR_CARRIER_EXPIRE, ipv6nd_expire, ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	604 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	605
5130 d34c808ae81e Linux: Note router preference when adding routes Roy Marples <roy@marples.name> parents: 5109 diff changeset	606 int
4812 2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	607 ipv6nd_rtpref(struct ra *rap)
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	608 {
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	609
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	610 switch (rap->flags & ND_RA_FLAG_RTPREF_MASK) {
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	611 case ND_RA_FLAG_RTPREF_HIGH:
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	612 return RTPREF_HIGH;
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	613 case ND_RA_FLAG_RTPREF_MEDIUM:
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	614 case ND_RA_FLAG_RTPREF_RSV:
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	615 return RTPREF_MEDIUM;
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	616 case ND_RA_FLAG_RTPREF_LOW:
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	617 return RTPREF_LOW;
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	618 default:
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	619 logerrx("%s: impossible RA flag %x", __func__, rap->flags);
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	620 return RTPREF_INVALID;
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	621 }
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	622 /* NOTREACHED */
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	623 }
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	624
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	625 static void
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	626 ipv6nd_sortrouters(struct dhcpcd_ctx *ctx)
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	627 {
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	628 struct ra_head sorted_routers = TAILQ_HEAD_INITIALIZER(sorted_routers);
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	629 struct ra ra1, ra2;
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	630
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	631 while ((ra1 = TAILQ_FIRST(ctx->ra_routers)) != NULL) {
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	632 TAILQ_REMOVE(ctx->ra_routers, ra1, next);
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	633 TAILQ_FOREACH(ra2, &sorted_routers, next) {
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	634 if (ra1->iface->metric > ra2->iface->metric)
4812 2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	635 continue;
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	636 if (ra1->expired && !ra2->expired)
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	637 continue;
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	638 if (ra1->willexpire && !ra2->willexpire)
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	639 continue;
4812 2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	640 if (ra1->lifetime == 0 && ra2->lifetime != 0)
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	641 continue;
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	642 if (!ra1->isreachable && ra2->reachable)
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	643 continue;
5085 c56d345a7b0d RA: Prefer older routers at the preference Roy Marples <roy@marples.name> parents: 5083 diff changeset	644 if (ipv6nd_rtpref(ra1) <= ipv6nd_rtpref(ra2))
4812 2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	645 continue;
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	646 /* All things being equal, prefer older routers. */
4929 597274e21b1a inet6: Don't compare router dates when sorting Roy Marples <roy@marples.name> parents: 4924 diff changeset	647 /* We don't need to check time, becase newer
597274e21b1a inet6: Don't compare router dates when sorting Roy Marples <roy@marples.name> parents: 4924 diff changeset	648 * routers are always added to the tail and then
597274e21b1a inet6: Don't compare router dates when sorting Roy Marples <roy@marples.name> parents: 4924 diff changeset	649 * sorted. */
4812 2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	650 TAILQ_INSERT_BEFORE(ra2, ra1, next);
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	651 break;
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	652 }
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	653 if (ra2 == NULL)
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	654 TAILQ_INSERT_TAIL(&sorted_routers, ra1, next);
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	655 }
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	656
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	657 TAILQ_CONCAT(ctx->ra_routers, &sorted_routers, next);
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	658 }
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	659
4813 ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	660 static void
5179 e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	661 ipv6nd_applyra(struct interface *ifp)
4813 ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	662 {
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	663 struct ra *rap;
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	664 struct rs_state *state = RS_STATE(ifp);
5179 e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	665 struct ra defra = {
e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	666 .iface = ifp,
e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	667 .hoplimit = IPV6_DEFHLIM ,
e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	668 .reachable = REACHABLE_TIME,
e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	669 .retrans = RETRANS_TIMER,
e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	670 };
e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	671
e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	672 TAILQ_FOREACH(rap, ifp->ctx->ra_routers, next) {
5181 6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	673 if (rap->iface == ifp)
4813 ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	674 break;
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	675 }
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	676
5179 e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	677 /* If we have no Router Advertisement, then set default values. */
5181 6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	678 if (rap == NULL \|\| rap->expired \|\| rap->willexpire)
5179 e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	679 rap = &defra;
4813 ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	680
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	681 state->retrans = rap->retrans;
4916 7513775ead91 inet6: Adjust prior so that we don't support old kernels Roy Marples <roy@marples.name> parents: 4872 diff changeset	682 if (if_applyra(rap) == -1 && errno != ENOENT)
4813 ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	683 logerr(__func__);
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	684 }
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	685
4669 ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	686 /*
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	687 * Neighbour reachability.
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	688 *
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	689 * RFC 4681 6.2.5 says when a node is no longer a router it MUST
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	690 * send a RA with a zero lifetime.
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	691 * All OS's I know of set the NA router flag if they are a router
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	692 * or not and disregard that they are actively advertising or
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	693 * shutting down. If the interface is disabled, it cant't send a NA at all.
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	694 *
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	695 * As such we CANNOT rely on the NA Router flag and MUST use
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	696 * unreachability or receive a RA with a lifetime of zero to remove
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	697 * the node as a default router.
ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	698 */
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	699 void
4669 ec9d26e0de41 inet6: Stop reacting to kernel neighbour messages about a router Roy Marples <roy@marples.name> parents: 4667 diff changeset	700 ipv6nd_neighbour(struct dhcpcd_ctx ctx, struct in6_addr addr, bool reachable)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	701 {
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	702 struct ra rap, rapr;
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	703
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	704 if (ctx->ra_routers == NULL)
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	705 return;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	706
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	707 TAILQ_FOREACH(rap, ctx->ra_routers, next) {
4667 7cf17538b8b7 inet6: Stop listening to NA messages Roy Marples <roy@marples.name> parents: 4648 diff changeset	708 if (IN6_ARE_ADDR_EQUAL(&rap->from, addr))
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	709 break;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	710 }
4667 7cf17538b8b7 inet6: Stop listening to NA messages Roy Marples <roy@marples.name> parents: 4648 diff changeset	711
4872 8a51f7ed7061 IPv6ND: Fix reachable test Roy Marples <roy@marples.name> parents: 4869 diff changeset	712 if (rap == NULL \|\| rap->expired \|\| rap->isreachable == reachable)
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	713 return;
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	714
4812 2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	715 rap->isreachable = reachable;
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	716 loginfox("%s: %s is %s", rap->iface->name, rap->sfrom,
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	717 reachable ? "reachable again" : "unreachable");
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	718
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	719 /* See if we can install a reachable default router. */
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	720 ipv6nd_sortrouters(ctx);
5179 e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	721 ipv6nd_applyra(rap->iface);
4812 2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	722 rt_build(ctx, AF_INET6);
4667 7cf17538b8b7 inet6: Stop listening to NA messages Roy Marples <roy@marples.name> parents: 4648 diff changeset	723
4820 646c8e73cc8a IPv6ND: If a router is reachable again, don't solicit another. Roy Marples <roy@marples.name> parents: 4819 diff changeset	724 if (reachable)
646c8e73cc8a IPv6ND: If a router is reachable again, don't solicit another. Roy Marples <roy@marples.name> parents: 4819 diff changeset	725 return;
646c8e73cc8a IPv6ND: If a router is reachable again, don't solicit another. Roy Marples <roy@marples.name> parents: 4819 diff changeset	726
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	727 /* If we have no reachable default routers, try and solicit one. */
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	728 TAILQ_FOREACH(rapr, ctx->ra_routers, next) {
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	729 if (rap == rapr \|\| rap->iface != rapr->iface)
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	730 continue;
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	731 if (rapr->isreachable && !rapr->expired && rapr->lifetime)
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	732 break;
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	733 }
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	734
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	735 if (rapr == NULL)
4647 82fa5c0d9714 inet6: Just solicit when a router is unreachable Roy Marples <roy@marples.name> parents: 4646 diff changeset	736 ipv6nd_startrs(rap->iface);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	737 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	738
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	739 const struct ipv6_addr *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	740 ipv6nd_iffindaddr(const struct interface ifp, const struct in6_addr addr,
4123 441ac8d90316 Promote IPv6 dhcpcd address flags to unsignned int to allow expansion. Roy Marples <roy@marples.name> parents: 4116 diff changeset	741 unsigned int flags)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	742 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	743 struct ra *rap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	744 struct ipv6_addr *ap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	745
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	746 if (ifp->ctx->ra_routers == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	747 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	748
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	749 TAILQ_FOREACH(rap, ifp->ctx->ra_routers, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	750 if (rap->iface != ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	751 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	752 TAILQ_FOREACH(ap, &rap->addrs, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	753 if (ipv6_findaddrmatch(ap, addr, flags))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	754 return ap;
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 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	757 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	758 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	759
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	760 struct ipv6_addr *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	761 ipv6nd_findaddr(struct dhcpcd_ctx ctx, const struct in6_addr addr,
4123 441ac8d90316 Promote IPv6 dhcpcd address flags to unsignned int to allow expansion. Roy Marples <roy@marples.name> parents: 4116 diff changeset	762 unsigned int flags)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	763 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	764 struct ra *rap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	765 struct ipv6_addr *ap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	766
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	767 if (ctx->ra_routers == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	768 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	769
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	770 TAILQ_FOREACH(rap, ctx->ra_routers, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	771 TAILQ_FOREACH(ap, &rap->addrs, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	772 if (ipv6_findaddrmatch(ap, addr, flags))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	773 return ap;
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 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	776 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	777 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	778
5105 88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	779 static struct ipv6_addr *
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	780 ipv6nd_rapfindprefix(struct ra *rap,
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	781 const struct in6_addr *pfx, uint8_t pfxlen)
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	782 {
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	783 struct ipv6_addr *ia;
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	784
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	785 TAILQ_FOREACH(ia, &rap->addrs, next) {
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	786 if (ia->prefix_vltime == 0)
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	787 continue;
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	788 if (ia->prefix_len == pfxlen &&
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	789 IN6_ARE_ADDR_EQUAL(&ia->prefix, pfx))
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	790 break;
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	791 }
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	792 return ia;
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	793 }
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	794
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	795 struct ipv6_addr *
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	796 ipv6nd_iffindprefix(struct interface *ifp,
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	797 const struct in6_addr *pfx, uint8_t pfxlen)
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	798 {
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	799 struct ra *rap;
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	800 struct ipv6_addr *ia;
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	801
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	802 ia = NULL;
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	803 TAILQ_FOREACH(rap, ifp->ctx->ra_routers, next) {
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	804 if (rap->iface != ifp)
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	805 continue;
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	806 ia = ipv6nd_rapfindprefix(rap, pfx, pfxlen);
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	807 if (ia != NULL)
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	808 break;
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	809 }
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	810 return ia;
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	811 }
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	812
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	813 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	814 ipv6nd_removefreedrop_ra(struct ra *rap, int remove_ra, int drop_ra)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	815 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	816
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	817 eloop_timeout_delete(rap->iface->ctx->eloop, NULL, rap->iface);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	818 eloop_timeout_delete(rap->iface->ctx->eloop, NULL, rap);
4141 45e849031aec Ensure that all RA's are actually dropped when dropping an interface. Roy Marples <roy@marples.name> parents: 4140 diff changeset	819 if (remove_ra)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	820 TAILQ_REMOVE(rap->iface->ctx->ra_routers, rap, next);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	821 ipv6_freedrop_addrs(&rap->addrs, drop_ra, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	822 free(rap->data);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	823 free(rap);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	824 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	825
4140 57e2a4bfb9b7 ipv6nd_freedrop is no longer public. Roy Marples <roy@marples.name> parents: 4123 diff changeset	826 static void
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	827 ipv6nd_freedrop_ra(struct ra *rap, int drop)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	828 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	829
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	830 ipv6nd_removefreedrop_ra(rap, 1, drop);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	831 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	832
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	833 ssize_t
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	834 ipv6nd_free(struct interface *ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	835 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	836 struct rs_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	837 struct ra rap, ran;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	838 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	839 ssize_t n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	840
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	841 state = RS_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	842 if (state == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	843 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	844
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	845 ctx = ifp->ctx;
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	846 #ifdef __sun
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	847 eloop_event_delete(ctx->eloop, state->nd_fd);
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	848 close(state->nd_fd);
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	849 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	850 free(state->rs);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	851 free(state);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	852 ifp->if_data[IF_DATA_IPV6ND] = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	853 n = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	854 TAILQ_FOREACH_SAFE(rap, ifp->ctx->ra_routers, next, ran) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	855 if (rap->iface == ifp) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	856 ipv6nd_free_ra(rap);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	857 n++;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	858 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	859 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	860
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	861 #ifndef __sun
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	862 /* If we don't have any more IPv6 enabled interfaces,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	863 * close the global socket and release resources */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	864 TAILQ_FOREACH(ifp, ctx->ifaces, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	865 if (RS_STATE(ifp))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	866 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	867 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	868 if (ifp == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	869 if (ctx->nd_fd != -1) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	870 eloop_event_delete(ctx->eloop, ctx->nd_fd);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	871 close(ctx->nd_fd);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	872 ctx->nd_fd = -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	873 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	874 }
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	875 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	876
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	877 return n;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	878 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	879
4856 a0a073f9c5ef dhcpcd: Rework daemonisation Roy Marples <roy@marples.name> parents: 4842 diff changeset	880 static void
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	881 ipv6nd_scriptrun(struct ra *rap)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	882 {
4856 a0a073f9c5ef dhcpcd: Rework daemonisation Roy Marples <roy@marples.name> parents: 4842 diff changeset	883 int hasdns, hasaddress;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	884 struct ipv6_addr *ap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	885
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	886 hasaddress = 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 all addresses have completed DAD run the script */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	888 TAILQ_FOREACH(ap, &rap->addrs, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	889 if ((ap->flags & (IPV6_AF_AUTOCONF \| IPV6_AF_ADDED)) ==
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	890 (IPV6_AF_AUTOCONF \| IPV6_AF_ADDED))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	891 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	892 hasaddress = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	893 if (!(ap->flags & IPV6_AF_DADCOMPLETED) &&
3960 42a6a3d1596e Remove custom logger and output all diagnostics via syslog(3). Roy Marples <roy@marples.name> parents: 3932 diff changeset	894 ipv6_iffindaddr(ap->iface, &ap->addr,
42a6a3d1596e Remove custom logger and output all diagnostics via syslog(3). Roy Marples <roy@marples.name> parents: 3932 diff changeset	895 IN6_IFF_TENTATIVE))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	896 ap->flags \|= IPV6_AF_DADCOMPLETED;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	897 if ((ap->flags & IPV6_AF_DADCOMPLETED) == 0) {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4010 diff changeset	898 logdebugx("%s: waiting for Router Advertisement"
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	899 " DAD to complete",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	900 rap->iface->name);
4856 a0a073f9c5ef dhcpcd: Rework daemonisation Roy Marples <roy@marples.name> parents: 4842 diff changeset	901 return;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	902 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	903 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	904 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	905
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	906 /* If we don't require RDNSS then set hasdns = 1 so we fork */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	907 if (!(rap->iface->options->options & DHCPCD_IPV6RA_REQRDNSS))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	908 hasdns = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	909 else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	910 hasdns = rap->hasdns;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	911 }
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 script_runreason(rap->iface, "ROUTERADVERT");
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	914 if (hasdns && (hasaddress \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	915 !(rap->flags & (ND_RA_FLAG_MANAGED \| ND_RA_FLAG_OTHER))))
4856 a0a073f9c5ef dhcpcd: Rework daemonisation Roy Marples <roy@marples.name> parents: 4842 diff changeset	916 dhcpcd_daemonise(rap->iface->ctx);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	917 #if 0
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	918 else if (options & DHCPCD_DAEMONISE &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	919 !(options & DHCPCD_DAEMONISED) && new_data)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	920 logwarnx("%s: did not fork due to an absent"
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	921 " RDNSS option in the RA",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	922 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	923 #endif
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	926 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	927 ipv6nd_addaddr(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	928 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	929 struct ipv6_addr *ap = arg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	930
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	931 ipv6_addaddr(ap, NULL);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	932 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	933
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	934 int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	935 ipv6nd_dadcompleted(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	936 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	937 const struct ra *rap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	938 const struct ipv6_addr *ap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	939
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	940 TAILQ_FOREACH(rap, ifp->ctx->ra_routers, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	941 if (rap->iface != ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	942 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	943 TAILQ_FOREACH(ap, &rap->addrs, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	944 if (ap->flags & IPV6_AF_AUTOCONF &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	945 ap->flags & IPV6_AF_ADDED &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	946 !(ap->flags & IPV6_AF_DADCOMPLETED))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	947 return 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	948 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	949 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	950 return 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	951 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	952
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	953 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	954 ipv6nd_dadcallback(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	955 {
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	956 struct ipv6_addr ia = arg, rapap;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	957 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	958 struct ra *rap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	959 int wascompleted, found;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	960 char buf[INET6_ADDRSTRLEN];
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	961 const char *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	962 int dadcounter;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	963
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	964 ifp = ia->iface;
bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	965 wascompleted = (ia->flags & IPV6_AF_DADCOMPLETED);
bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	966 ia->flags \|= IPV6_AF_DADCOMPLETED;
5171 5943646f9dd3 DHCP6: Implement DECLINE support for duplicated addresses Roy Marples <roy@marples.name> parents: 5160 diff changeset	967 if (ia->addr_flags & IN6_IFF_DUPLICATED) {
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	968 ia->dadcounter++;
bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	969 logwarnx("%s: DAD detected %s", ifp->name, ia->saddr);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	970
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	971 /* Try and make another stable private address.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	972 * Because ap->dadcounter is always increamented,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	973 * a different address is generated. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	974 /* XXX Cache DAD counter per prefix/id/ssid? */
4982 661857d82a40 inet6: Check if we can try a new address on DAD failure. Roy Marples <roy@marples.name> parents: 4981 diff changeset	975 if (ifp->options->options & DHCPCD_SLAACPRIVATE &&
661857d82a40 inet6: Check if we can try a new address on DAD failure. Roy Marples <roy@marples.name> parents: 4981 diff changeset	976 IA6_CANAUTOCONF(ia))
661857d82a40 inet6: Check if we can try a new address on DAD failure. Roy Marples <roy@marples.name> parents: 4981 diff changeset	977 {
4934 64d2e5e77cc3 inet6: Use milliseconds rather than timespec for calcuating delays Roy Marples <roy@marples.name> parents: 4929 diff changeset	978 unsigned int delay;
64d2e5e77cc3 inet6: Use milliseconds rather than timespec for calcuating delays Roy Marples <roy@marples.name> parents: 4929 diff changeset	979
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	980 if (ia->dadcounter >= IDGEN_RETRIES) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	981 logerrx("%s: unable to obtain a"
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	982 " stable private address",
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	983 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	984 goto try_script;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	985 }
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	986 loginfox("%s: deleting address %s",
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	987 ifp->name, ia->saddr);
bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	988 if (if_address6(RTM_DELADDR, ia) == -1 &&
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	989 errno != EADDRNOTAVAIL && errno != ENXIO)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	990 logerr(__func__);
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	991 dadcounter = ia->dadcounter;
bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	992 if (ipv6_makestableprivate(&ia->addr,
bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	993 &ia->prefix, ia->prefix_len,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	994 ifp, &dadcounter) == -1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	995 {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	996 logerr("ipv6_makestableprivate");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	997 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	998 }
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	999 ia->dadcounter = dadcounter;
bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	1000 ia->flags &= ~(IPV6_AF_ADDED \| IPV6_AF_DADCOMPLETED);
bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	1001 ia->flags \|= IPV6_AF_NEW;
bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	1002 p = inet_ntop(AF_INET6, &ia->addr, buf, sizeof(buf));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1003 if (p)
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	1004 snprintf(ia->saddr,
bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	1005 sizeof(ia->saddr),
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1006 "%s/%d",
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	1007 p, ia->prefix_len);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1008 else
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	1009 ia->saddr[0] = '\0';
4934 64d2e5e77cc3 inet6: Use milliseconds rather than timespec for calcuating delays Roy Marples <roy@marples.name> parents: 4929 diff changeset	1010 delay = arc4random_uniform(IDGEN_DELAY * MSEC_PER_SEC);
64d2e5e77cc3 inet6: Use milliseconds rather than timespec for calcuating delays Roy Marples <roy@marples.name> parents: 4929 diff changeset	1011 eloop_timeout_add_msec(ifp->ctx->eloop, delay,
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	1012 ipv6nd_addaddr, ia);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1013 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1014 }
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1017 try_script:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1018 if (!wascompleted) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1019 TAILQ_FOREACH(rap, ifp->ctx->ra_routers, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1020 if (rap->iface != ifp)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1021 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1022 wascompleted = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1023 found = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1024 TAILQ_FOREACH(rapap, &rap->addrs, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1025 if (rapap->flags & IPV6_AF_AUTOCONF &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1026 rapap->flags & IPV6_AF_ADDED &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1027 (rapap->flags & IPV6_AF_DADCOMPLETED) == 0)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1028 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1029 wascompleted = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1030 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1031 }
4116 bbc873111f06 More ap -> ia Roy Marples <roy@marples.name> parents: 4115 diff changeset	1032 if (rapap == ia)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1033 found = 1;
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1036 if (wascompleted && found) {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4010 diff changeset	1037 logdebugx("%s: Router Advertisement DAD "
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1038 "completed",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1039 rap->iface->name);
4856 a0a073f9c5ef dhcpcd: Rework daemonisation Roy Marples <roy@marples.name> parents: 4842 diff changeset	1040 ipv6nd_scriptrun(rap);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1041 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1042 }
4588 6aced73a8438 Remove ND6 Advertisement from SMALL builds. Roy Marples <roy@marples.name> parents: 4564 diff changeset	1043 #ifdef ND6_ADVERTISE
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	1044 ipv6nd_advertise(ia);
4588 6aced73a8438 Remove ND6 Advertisement from SMALL builds. Roy Marples <roy@marples.name> parents: 4564 diff changeset	1045 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1046 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1047 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1048
5107 a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1049 static struct ipv6_addr *
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1050 ipv6nd_findmarkstale(struct ra rap, struct ipv6_addr ia, bool mark)
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1051 {
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1052 struct dhcpcd_ctx *ctx = ia->iface->ctx;
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1053 struct ra *rap2;
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1054 struct ipv6_addr *ia2;
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1055
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1056 TAILQ_FOREACH(rap2, ctx->ra_routers, next) {
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1057 if (rap2 == rap \|\|
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1058 rap2->iface != rap->iface \|\|
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1059 rap2->expired)
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1060 continue;
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1061 TAILQ_FOREACH(ia2, &rap2->addrs, next) {
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1062 if (!IN6_ARE_ADDR_EQUAL(&ia->prefix, &ia2->prefix))
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1063 continue;
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1064 if (!(ia2->flags & IPV6_AF_STALE))
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1065 return ia2;
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1066 if (mark)
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1067 ia2->prefix_pltime = 0;
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1068 }
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1069 }
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1070 return NULL;
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1071 }
a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1072
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1073 #ifndef DHCP6
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1074 /* If DHCPv6 is compiled out, supply a shim to provide an error message
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1075 * if IPv6RA requests DHCPv6. */
4349 f87c2ed9ff46 DHCP6: Remove #defines for functions when DHCP6 is disabled Roy Marples <roy@marples.name> parents: 4336 diff changeset	1076 enum DH6S {
f87c2ed9ff46 DHCP6: Remove #defines for functions when DHCP6 is disabled Roy Marples <roy@marples.name> parents: 4336 diff changeset	1077 DH6S_REQUEST,
f87c2ed9ff46 DHCP6: Remove #defines for functions when DHCP6 is disabled Roy Marples <roy@marples.name> parents: 4336 diff changeset	1078 DH6S_INFORM,
f87c2ed9ff46 DHCP6: Remove #defines for functions when DHCP6 is disabled Roy Marples <roy@marples.name> parents: 4336 diff changeset	1079 };
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1080 static int
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1081 dhcp6_start(__unused struct interface *ifp, __unused enum DH6S init_state)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1082 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1083
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1084 errno = ENOTSUP;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1085 return -1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1086 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1087 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1088
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1089 static void
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1090 ipv6nd_handlera(struct dhcpcd_ctx *ctx,
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1091 const struct sockaddr_in6 from, const char sfrom,
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1092 struct interface ifp, struct icmp6_hdr icp, size_t len, int hoplimit)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1093 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1094 size_t i, olen;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1095 struct nd_router_advert *nd_ra;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1096 struct nd_opt_hdr ndo;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1097 struct nd_opt_prefix_info pi;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1098 struct nd_opt_mtu mtu;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1099 struct nd_opt_rdnss rdnss;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1100 uint8_t *p;
5107 a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1101 struct ra *rap;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1102 struct in6_addr pi_prefix;
5107 a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1103 struct ipv6_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	1104 struct dhcp_opt *dho;
4648 16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1105 bool new_rap, new_data, has_address;
4268 bd01addbb40f ipv6nd: warn if router lifetime is set to zero Roy Marples <roy@marples.name> parents: 4267 diff changeset	1106 uint32_t old_lifetime;
4819 20f0d2d242a1 RA: Warn if advertised MTU is greater than link MTU Roy Marples <roy@marples.name> parents: 4813 diff changeset	1107 int ifmtu;
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5044 diff changeset	1108 int loglevel;
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1109 unsigned int flags;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1110 #ifdef IPV6_MANAGETEMPADDR
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1111 bool new_ia;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1112 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1113
5322 3dd079b1d37b RA: Abort if no state Roy Marples <roy@marples.name> parents: 5278 diff changeset	1114 if (ifp == NULL \|\| RS_STATE(ifp) == NULL) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1115 #ifdef DEBUG_RS
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1116 logdebugx("RA for unexpected interface from %s", sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1117 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1118 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1119 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1120
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1121 if (len < sizeof(struct nd_router_advert)) {
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1122 logerrx("IPv6 RA packet too short from %s", sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1123 return;
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
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1126 /* RFC 4861 7.1.2 */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1127 if (hoplimit != 255) {
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1128 logerrx("invalid hoplimit(%d) in RA from %s", hoplimit, sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1129 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1130 }
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1131 if (!IN6_IS_ADDR_LINKLOCAL(&from->sin6_addr)) {
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1132 logerrx("RA from non local address %s", sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1133 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1134 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1135
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1136 if (!(ifp->options->options & DHCPCD_IPV6RS)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1137 #ifdef DEBUG_RS
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1138 logerrx("%s: unexpected RA from %s", ifp->name, sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1139 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1140 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1141 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1142
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1143 /* We could receive a RA before we sent a RS*/
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1144 if (ipv6_linklocal(ifp) == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1145 #ifdef DEBUG_RS
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4010 diff changeset	1146 logdebugx("%s: received RA from %s (no link-local)",
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1147 ifp->name, sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1148 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1149 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1150 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1151
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1152 if (ipv6_iffindaddr(ifp, &from->sin6_addr, IN6_IFF_TENTATIVE)) {
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4010 diff changeset	1153 logdebugx("%s: ignoring RA from ourself %s",
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1154 ifp->name, sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1155 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1156 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1157
5181 6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1158 #ifdef NOCARRIER_PRESERVE_IP
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1159 /*
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1160 * Because we preserve RA's and expire them quickly after
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1161 * carrier up, it's important to reset the kernels notion of
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1162 * reachable timers back to default values before applying
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1163 * new RA values.
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1164 */
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1165 TAILQ_FOREACH(rap, ctx->ra_routers, next) {
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1166 if (ifp == rap->iface)
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1167 break;
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1168 }
5346 3ceefc13699e minor cleanup Roy Marples <roy@marples.name> parents: 5322 diff changeset	1169 if (rap != NULL && rap->willexpire)
5181 6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1170 ipv6nd_applyra(ifp);
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1171 #endif
6788ac9191a7 inet6: Set default ND timers before a RA arrives after preservation Roy Marples <roy@marples.name> parents: 5180 diff changeset	1172
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1173 TAILQ_FOREACH(rap, ctx->ra_routers, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1174 if (ifp == rap->iface &&
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1175 IN6_ARE_ADDR_EQUAL(&rap->from, &from->sin6_addr))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1176 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1177 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1178
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1179 nd_ra = (struct nd_router_advert *)icp;
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 /* We don't want to spam the log with the fact we got an RA every
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1182 * 30 seconds or so, so only spam the log if it's different. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1183 if (rap == NULL \|\| (rap->data_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 memcmp(rap->data, (unsigned char *)icp, rap->data_len) != 0))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1185 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1186 if (rap) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1187 free(rap->data);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1188 rap->data_len = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1189 }
4269 3050be161143 ipv6nd: use bools here Roy Marples <roy@marples.name> parents: 4268 diff changeset	1190 new_data = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1191 } else
4269 3050be161143 ipv6nd: use bools here Roy Marples <roy@marples.name> parents: 4268 diff changeset	1192 new_data = false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1193 if (rap == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1194 rap = calloc(1, sizeof(*rap));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1195 if (rap == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1196 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1197 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1198 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1199 rap->iface = ifp;
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1200 rap->from = from->sin6_addr;
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1201 strlcpy(rap->sfrom, sfrom, sizeof(rap->sfrom));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1202 TAILQ_INIT(&rap->addrs);
4269 3050be161143 ipv6nd: use bools here Roy Marples <roy@marples.name> parents: 4268 diff changeset	1203 new_rap = true;
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1204 rap->isreachable = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1205 } else
4269 3050be161143 ipv6nd: use bools here Roy Marples <roy@marples.name> parents: 4268 diff changeset	1206 new_rap = false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1207 if (rap->data_len == 0) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1208 rap->data = malloc(len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1209 if (rap->data == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1210 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1211 if (new_rap)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1212 free(rap);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1213 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1214 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1215 memcpy(rap->data, icp, len);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1216 rap->data_len = len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1217 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1218
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1219 /* We could change the debug level based on new_data, but some
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1220 * routers like to decrease the advertised valid and preferred times
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1221 * in accordance with the own prefix times which would result in too
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1222 * much needless log spam. */
5044 f51d310db3b7 inet6: Swap between DISCOVER and INFORM better Roy Marples <roy@marples.name> parents: 5040 diff changeset	1223 if (rap->willexpire)
f51d310db3b7 inet6: Swap between DISCOVER and INFORM better Roy Marples <roy@marples.name> parents: 5040 diff changeset	1224 new_data = true;
5150 85569e7510f2 inet6: Only log RA's when they are from a new server Roy Marples <roy@marples.name> parents: 5130 diff changeset	1225 loglevel = new_rap \|\| rap->willexpire \|\| !rap->isreachable ?
5484 e01d8ea25a42 Clean up some warnings. Sascha Wildner <saw@online.de> parents: 5413 diff changeset	1226 LOG_INFO : LOG_DEBUG;
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5044 diff changeset	1227 logmessage(loglevel, "%s: Router Advertisement from %s",
7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5044 diff changeset	1228 ifp->name, rap->sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1229
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1230 clock_gettime(CLOCK_MONOTONIC, &rap->acquired);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1231 rap->flags = nd_ra->nd_ra_flags_reserved;
4268 bd01addbb40f ipv6nd: warn if router lifetime is set to zero Roy Marples <roy@marples.name> parents: 4267 diff changeset	1232 old_lifetime = rap->lifetime;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1233 rap->lifetime = ntohs(nd_ra->nd_ra_router_lifetime);
4268 bd01addbb40f ipv6nd: warn if router lifetime is set to zero Roy Marples <roy@marples.name> parents: 4267 diff changeset	1234 if (!new_rap && rap->lifetime == 0 && old_lifetime != 0)
bd01addbb40f ipv6nd: warn if router lifetime is set to zero Roy Marples <roy@marples.name> parents: 4267 diff changeset	1235 logwarnx("%s: %s: no longer a default router",
bd01addbb40f ipv6nd: warn if router lifetime is set to zero Roy Marples <roy@marples.name> parents: 4267 diff changeset	1236 ifp->name, rap->sfrom);
4813 ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1237 if (nd_ra->nd_ra_curhoplimit != 0)
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1238 rap->hoplimit = nd_ra->nd_ra_curhoplimit;
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1239 else
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1240 rap->hoplimit = IPV6_DEFHLIM;
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1241 if (nd_ra->nd_ra_reachable != 0) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1242 rap->reachable = ntohl(nd_ra->nd_ra_reachable);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1243 if (rap->reachable > MAX_REACHABLE_TIME)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1244 rap->reachable = 0;
4813 ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1245 } else
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1246 rap->reachable = REACHABLE_TIME;
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1247 if (nd_ra->nd_ra_retransmit != 0)
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1248 rap->retrans = ntohl(nd_ra->nd_ra_retransmit);
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1249 else
ef33eb73e97d INET6: Apply hoplimit, reachable and retrans timer values from RA. Roy Marples <roy@marples.name> parents: 4812 diff changeset	1250 rap->retrans = RETRANS_TIMER;
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1251 rap->expired = rap->willexpire = rap->doexpire = false;
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1252 rap->hasdns = false;
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1253 rap->isreachable = true;
4648 16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1254 has_address = false;
4822 8ea5c8980467 RA: Set mtu to zero and then pull in the MTU option if any Roy Marples <roy@marples.name> parents: 4820 diff changeset	1255 rap->mtu = 0;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1256
4237 db600851438a Fix compile on OpenBSD. Roy Marples <roy@marples.name> parents: 4235 diff changeset	1257 #ifdef IPV6_AF_TEMPORARY
4235 27bad70c0d9c link: detect buffer overflow / desync and relearn interface state Roy Marples <roy@marples.name> parents: 4234 diff changeset	1258 ipv6_markaddrsstale(ifp, IPV6_AF_TEMPORARY);
4237 db600851438a Fix compile on OpenBSD. Roy Marples <roy@marples.name> parents: 4235 diff changeset	1259 #endif
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1260 TAILQ_FOREACH(ia, &rap->addrs, next) {
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1261 ia->flags \|= IPV6_AF_STALE;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1262 }
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 len -= sizeof(struct nd_router_advert);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1265 p = ((uint8_t *)icp) + sizeof(struct nd_router_advert);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1266 for (; len > 0; p += olen, len -= olen) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1267 if (len < sizeof(ndo)) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1268 logerrx("%s: short option", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1269 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1270 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1271 memcpy(&ndo, p, sizeof(ndo));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1272 olen = (size_t)ndo.nd_opt_len * 8;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1273 if (olen == 0) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1274 logerrx("%s: zero length option", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1275 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1276 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1277 if (olen > len) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1278 logerrx("%s: option length exceeds message",
3960 42a6a3d1596e Remove custom logger and output all diagnostics via syslog(3). Roy Marples <roy@marples.name> parents: 3932 diff changeset	1279 ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1280 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1281 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1282
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1283 if (has_option_mask(ifp->options->rejectmasknd,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1284 ndo.nd_opt_type))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1285 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1286 for (i = 0, dho = ctx->nd_opts;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1287 i < ctx->nd_opts_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1288 i++, dho++)
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 if (dho->option == ndo.nd_opt_type)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1291 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1292 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1293 if (dho != NULL)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1294 logwarnx("%s: reject RA (option %s) from %s",
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1295 ifp->name, dho->var, rap->sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1296 else
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1297 logwarnx("%s: reject RA (option %d) from %s",
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1298 ifp->name, ndo.nd_opt_type, rap->sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1299 if (new_rap)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1300 ipv6nd_removefreedrop_ra(rap, 0, 0);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1301 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1302 ipv6nd_free_ra(rap);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1303 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1304 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1305
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1306 if (has_option_mask(ifp->options->nomasknd, ndo.nd_opt_type))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1307 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1308
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1309 switch (ndo.nd_opt_type) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1310 case ND_OPT_PREFIX_INFORMATION:
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5044 diff changeset	1311 loglevel = new_data ? LOG_ERR : LOG_DEBUG;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1312 if (ndo.nd_opt_len != 4) {
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1313 logmessage(loglevel,
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1314 "%s: invalid option len for prefix",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1315 ifp->name);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1316 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1317 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1318 memcpy(&pi, p, sizeof(pi));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1319 if (pi.nd_opt_pi_prefix_len > 128) {
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1320 logmessage(loglevel, "%s: invalid prefix len",
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1321 ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1322 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1323 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1324 /* nd_opt_pi_prefix is not aligned. */
3960 42a6a3d1596e Remove custom logger and output all diagnostics via syslog(3). Roy Marples <roy@marples.name> parents: 3932 diff changeset	1325 memcpy(&pi_prefix, &pi.nd_opt_pi_prefix,
42a6a3d1596e Remove custom logger and output all diagnostics via syslog(3). Roy Marples <roy@marples.name> parents: 3932 diff changeset	1326 sizeof(pi_prefix));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1327 if (IN6_IS_ADDR_MULTICAST(&pi_prefix) \|\|
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1328 IN6_IS_ADDR_LINKLOCAL(&pi_prefix))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1329 {
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1330 logmessage(loglevel, "%s: invalid prefix in RA",
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1331 ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1332 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1333 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1334 if (ntohl(pi.nd_opt_pi_preferred_time) >
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1335 ntohl(pi.nd_opt_pi_valid_time))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1336 {
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1337 logmessage(loglevel, "%s: pltime > vltime",
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1338 ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1339 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1340 }
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1341
5372 a64688cee252 inet6: No flags on the prefix means the prefix is via the router Roy Marples <roy@marples.name> parents: 5363 diff changeset	1342 flags = IPV6_AF_RAPFX;
a64688cee252 inet6: No flags on the prefix means the prefix is via the router Roy Marples <roy@marples.name> parents: 5363 diff changeset	1343 /* If no flags are set, that means the prefix is
a64688cee252 inet6: No flags on the prefix means the prefix is via the router Roy Marples <roy@marples.name> parents: 5363 diff changeset	1344 * available via the router. */
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1345 if (pi.nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_ONLINK)
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1346 flags \|= IPV6_AF_ONLINK;
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1347 if (pi.nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_AUTO &&
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1348 rap->iface->options->options &
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1349 DHCPCD_IPV6RA_AUTOCONF)
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1350 flags \|= IPV6_AF_AUTOCONF;
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1351 if (pi.nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_ROUTER)
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1352 flags \|= IPV6_AF_ROUTER;
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1353
5105 88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	1354 ia = ipv6nd_rapfindprefix(rap,
88e25390d763 ND: If a secondary router adds the same prefix, use it's address Roy Marples <roy@marples.name> parents: 5104 diff changeset	1355 &pi_prefix, pi.nd_opt_pi_prefix_len);
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1356 if (ia == NULL) {
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1357 ia = ipv6_newaddr(rap->iface,
5372 a64688cee252 inet6: No flags on the prefix means the prefix is via the router Roy Marples <roy@marples.name> parents: 5363 diff changeset	1358 &pi_prefix, pi.nd_opt_pi_prefix_len, flags);
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1359 if (ia == NULL)
4090 62f8388ea690 Make ipv6_newaddr() more flexable so it's the sole source of Roy Marples <roy@marples.name> parents: 4076 diff changeset	1360 break;
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1361 ia->prefix = pi_prefix;
4336 881356480905 ip6: Install not on link routes with a gateway of the router Roy Marples <roy@marples.name> parents: 4335 diff changeset	1362 if (flags & IPV6_AF_AUTOCONF)
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1363 ia->dadcallback = ipv6nd_dadcallback;
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1364 ia->created = ia->acquired = rap->acquired;
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1365 TAILQ_INSERT_TAIL(&rap->addrs, ia, next);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1366
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1367 #ifdef IPV6_MANAGETEMPADDR
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1368 /* New address to dhcpcd RA handling.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1369 * If the address already exists and a valid
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1370 * temporary address also exists then
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1371 * extend the existing one rather than
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1372 * create a new one */
4336 881356480905 ip6: Install not on link routes with a gateway of the router Roy Marples <roy@marples.name> parents: 4335 diff changeset	1373 if (flags & IPV6_AF_AUTOCONF &&
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1374 ipv6_iffindaddr(ifp, &ia->addr,
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1375 IN6_IFF_NOTUSEABLE) &&
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1376 ipv6_settemptime(ia, 0))
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1377 new_ia = false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1378 else
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1379 new_ia = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1380 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1381 } else {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1382 #ifdef IPV6_MANAGETEMPADDR
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1383 new_ia = false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1384 #endif
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1385 ia->flags \|= flags;
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1386 ia->flags &= ~IPV6_AF_STALE;
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1387 ia->acquired = rap->acquired;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1388 }
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1389 ia->prefix_vltime =
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1390 ntohl(pi.nd_opt_pi_valid_time);
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1391 ia->prefix_pltime =
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1392 ntohl(pi.nd_opt_pi_preferred_time);
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1393 if (ia->prefix_vltime != 0 &&
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1394 ia->flags & IPV6_AF_AUTOCONF)
4648 16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1395 has_address = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1396
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1397 #ifdef IPV6_MANAGETEMPADDR
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1398 /* RFC4941 Section 3.3.3 */
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1399 if (ia->flags & IPV6_AF_AUTOCONF &&
5153 8248b3a04908 inet6: Add 'temporary' directive to the slaac option Roy Marples <roy@marples.name> parents: 5150 diff changeset	1400 ia->iface->options->options & DHCPCD_SLAACTEMP &&
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1401 IA6_CANAUTOCONF(ia))
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1402 {
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1403 if (!new_ia) {
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1404 if (ipv6_settemptime(ia, 1) == NULL)
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1405 new_ia = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1406 }
5082 5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1407 if (new_ia && ia->prefix_pltime) {
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1408 if (ipv6_createtempaddr(ia,
5f7d664db35c IPv6ND: ap -> ia rototill Roy Marples <roy@marples.name> parents: 5065 diff changeset	1409 &ia->acquired) == NULL)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1410 logerr("ipv6_createtempaddr");
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1411 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1412 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1413 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1414 break;
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 case ND_OPT_MTU:
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1417 if (len < sizeof(mtu)) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5044 diff changeset	1418 logmessage(loglevel, "%s: short MTU option", ifp->name);
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1419 break;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1420 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1421 memcpy(&mtu, p, sizeof(mtu));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1422 mtu.nd_opt_mtu_mtu = ntohl(mtu.nd_opt_mtu_mtu);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1423 if (mtu.nd_opt_mtu_mtu < IPV6_MMTU) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5044 diff changeset	1424 logmessage(loglevel, "%s: invalid MTU %d",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1425 ifp->name, mtu.nd_opt_mtu_mtu);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1426 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1427 }
4819 20f0d2d242a1 RA: Warn if advertised MTU is greater than link MTU Roy Marples <roy@marples.name> parents: 4813 diff changeset	1428 ifmtu = if_getmtu(ifp);
20f0d2d242a1 RA: Warn if advertised MTU is greater than link MTU Roy Marples <roy@marples.name> parents: 4813 diff changeset	1429 if (ifmtu == -1)
20f0d2d242a1 RA: Warn if advertised MTU is greater than link MTU Roy Marples <roy@marples.name> parents: 4813 diff changeset	1430 logerr("if_getmtu");
20f0d2d242a1 RA: Warn if advertised MTU is greater than link MTU Roy Marples <roy@marples.name> parents: 4813 diff changeset	1431 else if (mtu.nd_opt_mtu_mtu > (uint32_t)ifmtu) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5044 diff changeset	1432 logmessage(loglevel, "%s: advertised MTU %d"
4819 20f0d2d242a1 RA: Warn if advertised MTU is greater than link MTU Roy Marples <roy@marples.name> parents: 4813 diff changeset	1433 " is greater than link MTU %d",
20f0d2d242a1 RA: Warn if advertised MTU is greater than link MTU Roy Marples <roy@marples.name> parents: 4813 diff changeset	1434 ifp->name, mtu.nd_opt_mtu_mtu, ifmtu);
20f0d2d242a1 RA: Warn if advertised MTU is greater than link MTU Roy Marples <roy@marples.name> parents: 4813 diff changeset	1435 rap->mtu = (uint32_t)ifmtu;
20f0d2d242a1 RA: Warn if advertised MTU is greater than link MTU Roy Marples <roy@marples.name> parents: 4813 diff changeset	1436 } else
20f0d2d242a1 RA: Warn if advertised MTU is greater than link MTU Roy Marples <roy@marples.name> parents: 4813 diff changeset	1437 rap->mtu = mtu.nd_opt_mtu_mtu;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1438 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1439 case ND_OPT_RDNSS:
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1440 if (len < sizeof(rdnss)) {
5064 7721231839f5 logerr: Use macros to call log functions Sergey Nikiforov <Sergey.Nikiforov@kaspersky.com> parents: 5044 diff changeset	1441 logmessage(loglevel, "%s: short RDNSS option", ifp->name);
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1442 break;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1443 }
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1444 memcpy(&rdnss, p, sizeof(rdnss));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1445 if (rdnss.nd_opt_rdnss_lifetime &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1446 rdnss.nd_opt_rdnss_len > 1)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1447 rap->hasdns = 1;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1448 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1449 default:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1450 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1451 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1452 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1453
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1454 for (i = 0, dho = ctx->nd_opts;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1455 i < ctx->nd_opts_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1456 i++, dho++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1457 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1458 if (has_option_mask(ifp->options->requiremasknd,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1459 dho->option))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1460 {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1461 logwarnx("%s: reject RA (no option %s) from %s",
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1462 ifp->name, dho->var, rap->sfrom);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1463 if (new_rap)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1464 ipv6nd_removefreedrop_ra(rap, 0, 0);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1465 else
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1466 ipv6nd_free_ra(rap);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1467 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1468 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1469 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1470
5083 705e8e8d8f60 IPv6ND: Mark stale addresses/prefixes with a pltime of zero. Roy Marples <roy@marples.name> parents: 5082 diff changeset	1471 TAILQ_FOREACH(ia, &rap->addrs, next) {
705e8e8d8f60 IPv6ND: Mark stale addresses/prefixes with a pltime of zero. Roy Marples <roy@marples.name> parents: 5082 diff changeset	1472 if (!(ia->flags & IPV6_AF_STALE) \|\| ia->prefix_pltime == 0)
705e8e8d8f60 IPv6ND: Mark stale addresses/prefixes with a pltime of zero. Roy Marples <roy@marples.name> parents: 5082 diff changeset	1473 continue;
5107 a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1474 if (ipv6nd_findmarkstale(rap, ia, false) != NULL)
5104 2804763cefbd ND: Only deprecate prefixes when all stale Roy Marples <roy@marples.name> parents: 5096 diff changeset	1475 continue;
5107 a3da4f12835f ND: Improve stale detection for >1 router Roy Marples <roy@marples.name> parents: 5106 diff changeset	1476 ipv6nd_findmarkstale(rap, ia, true);
5083 705e8e8d8f60 IPv6ND: Mark stale addresses/prefixes with a pltime of zero. Roy Marples <roy@marples.name> parents: 5082 diff changeset	1477 logdebugx("%s: %s: became stale", ifp->name, ia->saddr);
5109 a7b7abb6211c Note that setting pltime to zero for stale addresses isn't RFC compliant Roy Marples <roy@marples.name> parents: 5107 diff changeset	1478 /* Technically this violates RFC 4861 6.3.4,
a7b7abb6211c Note that setting pltime to zero for stale addresses isn't RFC compliant Roy Marples <roy@marples.name> parents: 5107 diff changeset	1479 * but we need a mechanism to tell the kernel to
a7b7abb6211c Note that setting pltime to zero for stale addresses isn't RFC compliant Roy Marples <roy@marples.name> parents: 5107 diff changeset	1480 * try and prefer other addresses. */
5083 705e8e8d8f60 IPv6ND: Mark stale addresses/prefixes with a pltime of zero. Roy Marples <roy@marples.name> parents: 5082 diff changeset	1481 ia->prefix_pltime = 0;
705e8e8d8f60 IPv6ND: Mark stale addresses/prefixes with a pltime of zero. Roy Marples <roy@marples.name> parents: 5082 diff changeset	1482 }
705e8e8d8f60 IPv6ND: Mark stale addresses/prefixes with a pltime of zero. Roy Marples <roy@marples.name> parents: 5082 diff changeset	1483
4702 b2b39cc615ad inet6: Fix default route not being installed Roy Marples <roy@marples.name> parents: 4686 diff changeset	1484 if (new_data && !has_address && rap->lifetime && !ipv6_anyglobal(ifp))
4648 16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1485 logwarnx("%s: no global addresses for default route",
16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1486 ifp->name);
16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1487
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1488 if (new_rap)
4812 2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	1489 TAILQ_INSERT_TAIL(ctx->ra_routers, rap, next);
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	1490 if (new_data)
2d85b6abdb3b INET6: Sort routers when reachability changes Roy Marples <roy@marples.name> parents: 4789 diff changeset	1491 ipv6nd_sortrouters(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	1492
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1493 if (ifp->ctx->options & DHCPCD_TEST) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1494 script_runreason(ifp, "TEST");
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1495 goto handle_flag;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1496 }
5535 a0d828e25482 Add --noconfigure option Roy Marples <roy@marples.name> parents: 5499 diff changeset	1497
a0d828e25482 Add --noconfigure option Roy Marples <roy@marples.name> parents: 5499 diff changeset	1498 if (!(ifp->options->options & DHCPCD_CONFIGURE))
a0d828e25482 Add --noconfigure option Roy Marples <roy@marples.name> parents: 5499 diff changeset	1499 goto run;
a0d828e25482 Add --noconfigure option Roy Marples <roy@marples.name> parents: 5499 diff changeset	1500
5179 e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	1501 ipv6nd_applyra(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1502 ipv6_addaddrs(&rap->addrs);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1503 #ifdef IPV6_MANAGETEMPADDR
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1504 ipv6_addtempaddrs(ifp, &rap->acquired);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1505 #endif
5535 a0d828e25482 Add --noconfigure option Roy Marples <roy@marples.name> parents: 5499 diff changeset	1506 rt_build(ifp->ctx, AF_INET6);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1507
5535 a0d828e25482 Add --noconfigure option Roy Marples <roy@marples.name> parents: 5499 diff changeset	1508 run:
4856 a0a073f9c5ef dhcpcd: Rework daemonisation Roy Marples <roy@marples.name> parents: 4842 diff changeset	1509 ipv6nd_scriptrun(rap);
3932 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 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1512 eloop_timeout_delete(ifp->ctx->eloop, NULL, rap); /* reachable timer */
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 handle_flag:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1515 if (!(ifp->options->options & DHCPCD_DHCP6))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1516 goto nodhcp6;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1517 /* Only log a DHCPv6 start error if compiled in or debugging is enabled. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1518 #ifdef DHCP6
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1519 #define LOG_DHCP6 logerr
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1520 #else
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1521 #define LOG_DHCP6 logdebug
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1522 #endif
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1523 if (rap->flags & ND_RA_FLAG_MANAGED) {
4183 115cbfa711e2 DHCPv6: confirm lease on carrier up Roy Marples <roy@marples.name> parents: 4182 diff changeset	1524 if (new_data && dhcp6_start(ifp, DH6S_REQUEST) == -1)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1525 LOG_DHCP6("dhcp6_start: %s", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1526 } else if (rap->flags & ND_RA_FLAG_OTHER) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1527 if (new_data && dhcp6_start(ifp, DH6S_INFORM) == -1)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1528 LOG_DHCP6("dhcp6_start: %s", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1529 } else {
4349 f87c2ed9ff46 DHCP6: Remove #defines for functions when DHCP6 is disabled Roy Marples <roy@marples.name> parents: 4336 diff changeset	1530 #ifdef DHCP6
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1531 if (new_data)
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4010 diff changeset	1532 logdebugx("%s: No DHCPv6 instruction in RA", ifp->name);
4349 f87c2ed9ff46 DHCP6: Remove #defines for functions when DHCP6 is disabled Roy Marples <roy@marples.name> parents: 4336 diff changeset	1533 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1534 nodhcp6:
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1535 if (ifp->ctx->options & DHCPCD_TEST) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1536 eloop_exit(ifp->ctx->eloop, EXIT_SUCCESS);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1537 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1538 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1539 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1540
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1541 /* Expire should be called last as the rap object could be destroyed */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1542 ipv6nd_expirera(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1543 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1544
4648 16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1545 bool
16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1546 ipv6nd_hasralifetime(const struct interface *ifp, bool lifetime)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1547 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1548 const struct ra *rap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1549
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1550 if (ifp->ctx->ra_routers) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1551 TAILQ_FOREACH(rap, ifp->ctx->ra_routers, next)
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1552 if (rap->iface == ifp &&
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1553 !rap->expired &&
4648 16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1554 (!lifetime \|\|rap->lifetime))
16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1555 return true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1556 }
4648 16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1557 return false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1558 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1559
4648 16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1560 bool
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1561 ipv6nd_hasradhcp(const struct interface *ifp, bool managed)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1562 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1563 const struct ra *rap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1564
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1565 if (ifp->ctx->ra_routers) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1566 TAILQ_FOREACH(rap, ifp->ctx->ra_routers, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1567 if (rap->iface == ifp &&
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1568 !rap->expired && !rap->willexpire &&
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1569 ((managed && rap->flags & ND_RA_FLAG_MANAGED) \|\|
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1570 (!managed && rap->flags & ND_RA_FLAG_OTHER)))
4648 16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1571 return true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1572 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1573 }
4648 16b119f7fc39 inet6: Don't install a default route if no global address Roy Marples <roy@marples.name> parents: 4647 diff changeset	1574 return false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1575 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1576
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1577 static const uint8_t *
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1578 ipv6nd_getoption(struct dhcpcd_ctx *ctx,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1579 size_t os, unsigned int code, size_t *len,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1580 const uint8_t od, size_t ol, struct dhcp_opt *oopt)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1581 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1582 struct nd_opt_hdr ndo;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1583 size_t i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1584 struct dhcp_opt *opt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1585
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1586 if (od) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1587 *os = sizeof(ndo);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1588 if (ol < *os) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1589 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1590 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1591 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1592 memcpy(&ndo, od, sizeof(ndo));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1593 i = (size_t)(ndo.nd_opt_len * 8);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1594 if (i > ol) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1595 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1596 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1597 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1598 *len = i;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1599 *code = ndo.nd_opt_type;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1600 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1601
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1602 for (i = 0, opt = ctx->nd_opts;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1603 i < ctx->nd_opts_len; i++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1604 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1605 if (opt->option == *code) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1606 *oopt = opt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1607 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1608 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1609 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1610
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1611 if (od)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1612 return od + sizeof(ndo);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1613 return NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1614 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1615
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1616 ssize_t
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1617 ipv6nd_env(FILE fp, 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	1618 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1619 size_t i, j, n, len, olen;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1620 struct ra *rap;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1621 char ndprefix[32];
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1622 struct dhcp_opt *opt;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1623 uint8_t *p;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1624 struct nd_opt_hdr ndo;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1625 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	1626 struct timespec now;
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1627 int pref;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1628
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1629 clock_gettime(CLOCK_MONOTONIC, &now);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1630 i = n = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1631 TAILQ_FOREACH(rap, ifp->ctx->ra_routers, next) {
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1632 if (rap->iface != ifp \|\| rap->expired)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1633 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1634 i++;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1635 snprintf(ndprefix, sizeof(ndprefix), "nd%zu", i);
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1636 if (efprintf(fp, "%s_from=%s", ndprefix, rap->sfrom) == -1)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1637 return -1;
4564 622983991bf6 Cast time_t to long long to satisfy printf. Roy Marples <roy@marples.name> parents: 4549 diff changeset	1638 if (efprintf(fp, "%s_acquired=%lld", ndprefix,
622983991bf6 Cast time_t to long long to satisfy printf. Roy Marples <roy@marples.name> parents: 4549 diff changeset	1639 (long long)rap->acquired.tv_sec) == -1)
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1640 return -1;
4564 622983991bf6 Cast time_t to long long to satisfy printf. Roy Marples <roy@marples.name> parents: 4549 diff changeset	1641 if (efprintf(fp, "%s_now=%lld", ndprefix,
622983991bf6 Cast time_t to long long to satisfy printf. Roy Marples <roy@marples.name> parents: 4549 diff changeset	1642 (long long)now.tv_sec) == -1)
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1643 return -1;
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1644 if (efprintf(fp, "%s_hoplimit=%u", ndprefix, rap->hoplimit) == -1)
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1645 return -1;
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1646 pref = ipv6nd_rtpref(rap);
5363 e161ef164608 inet6: Report RA Proxy flag if set Roy Marples <roy@marples.name> parents: 5362 diff changeset	1647 if (efprintf(fp, "%s_flags=%s%s%s%s%s", ndprefix,
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1648 rap->flags & ND_RA_FLAG_MANAGED ? "M" : "",
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1649 rap->flags & ND_RA_FLAG_OTHER ? "O" : "",
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1650 rap->flags & ND_RA_FLAG_HOME_AGENT ? "H" : "",
5363 e161ef164608 inet6: Report RA Proxy flag if set Roy Marples <roy@marples.name> parents: 5362 diff changeset	1651 pref == RTPREF_HIGH ? "h" : pref == RTPREF_LOW ? "l" : "",
e161ef164608 inet6: Report RA Proxy flag if set Roy Marples <roy@marples.name> parents: 5362 diff changeset	1652 rap->flags & ND_RA_FLAG_PROXY ? "P" : "") == -1)
5362 17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1653 return -1;
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1654 if (efprintf(fp, "%s_lifetime=%u", ndprefix, rap->lifetime) == -1)
17f0de2ed2aa inet6: Add support for reporting Mobile IPv6 RA's Roy Marples <roy@marples.name> parents: 5346 diff changeset	1655 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	1656
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1657 /* Zero our indexes */
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1658 for (j = 0, opt = rap->iface->ctx->nd_opts;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1659 j < rap->iface->ctx->nd_opts_len;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1660 j++, opt++)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1661 dhcp_zero_index(opt);
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1662 for (j = 0, opt = rap->iface->options->nd_override;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1663 j < rap->iface->options->nd_override_len;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1664 j++, opt++)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1665 dhcp_zero_index(opt);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1666
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1667 /* Unlike DHCP, ND6 options may occur more than once.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1668 * There is also no provision for option concatenation
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1669 * unlike DHCP. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1670 len = rap->data_len - sizeof(struct nd_router_advert);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1671 for (p = rap->data + sizeof(struct nd_router_advert);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1672 len >= sizeof(ndo);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1673 p += olen, len -= olen)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1674 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1675 memcpy(&ndo, p, sizeof(ndo));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1676 olen = (size_t)(ndo.nd_opt_len * 8);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1677 if (olen > len) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1678 errno = EINVAL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1679 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1680 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1681 if (has_option_mask(rap->iface->options->nomasknd,
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1682 ndo.nd_opt_type))
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1683 continue;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1684 for (j = 0, opt = rap->iface->options->nd_override;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1685 j < rap->iface->options->nd_override_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1686 j++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1687 if (opt->option == ndo.nd_opt_type)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1688 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1689 if (j == rap->iface->options->nd_override_len) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1690 for (j = 0, opt = rap->iface->ctx->nd_opts;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1691 j < rap->iface->ctx->nd_opts_len;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1692 j++, opt++)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1693 if (opt->option == ndo.nd_opt_type)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1694 break;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1695 if (j == rap->iface->ctx->nd_opts_len)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1696 opt = NULL;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1697 }
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1698 if (opt == NULL)
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1699 continue;
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1700 dhcp_envoption(rap->iface->ctx, fp,
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1701 ndprefix, rap->iface->name,
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1702 opt, ipv6nd_getoption,
f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1703 p + sizeof(ndo), olen - sizeof(ndo));
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1704 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1705
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1706 /* We need to output the addresses we actually made
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1707 * from the prefix information options as well. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1708 j = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1709 TAILQ_FOREACH(ia, &rap->addrs, next) {
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1710 if (!(ia->flags & IPV6_AF_AUTOCONF) \|\|
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1711 #ifdef IPV6_AF_TEMPORARY
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1712 ia->flags & IPV6_AF_TEMPORARY \|\|
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1713 #endif
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1714 !(ia->flags & IPV6_AF_ADDED) \|\|
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1715 ia->prefix_vltime == 0)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1716 continue;
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1717 if (efprintf(fp, "%s_addr%zu=%s",
5096 d6af8586cbaf script: Start RA addresses from 1, not 0. Roy Marples <roy@marples.name> parents: 5085 diff changeset	1718 ndprefix, ++j, ia->saddr) == -1)
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1719 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	1720 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1721 }
4535 f2ddefe6c69e script: Write variables to a FILE Roy Marples <roy@marples.name> parents: 4534 diff changeset	1722 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	1723 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1724
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1725 void
4232 8b92c1844860 Log the pid of the process deleting an assigned address. Roy Marples <roy@marples.name> parents: 4231 diff changeset	1726 ipv6nd_handleifa(int cmd, struct ipv6_addr *addr, pid_t pid)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1727 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1728 struct ra *rap;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1729
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1730 /* IPv6 init may not have happened yet if we are learning
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1731 * existing addresses when dhcpcd starts. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1732 if (addr->iface->ctx->ra_routers == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1733 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1734
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1735 TAILQ_FOREACH(rap, addr->iface->ctx->ra_routers, next) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1736 if (rap->iface != addr->iface)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1737 continue;
4232 8b92c1844860 Log the pid of the process deleting an assigned address. Roy Marples <roy@marples.name> parents: 4231 diff changeset	1738 ipv6_handleifa_addrs(cmd, &rap->addrs, addr, pid);
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 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1741
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1742 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1743 ipv6nd_expirera(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1744 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1745 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	1746 struct ra rap, ran;
4924 7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1747 struct timespec now;
7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1748 uint32_t elapsed;
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1749 bool expired, valid;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1750 struct ipv6_addr *ia;
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1751 size_t len, olen;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1752 uint8_t *p;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1753 struct nd_opt_hdr ndo;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1754 #if 0
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1755 struct nd_opt_prefix_info pi;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1756 #endif
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1757 struct nd_opt_dnssl dnssl;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1758 struct nd_opt_rdnss rdnss;
4923 4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1759 unsigned int next = 0, ltime;
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1760 size_t nexpired = 0;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1761
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1762 ifp = arg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1763 clock_gettime(CLOCK_MONOTONIC, &now);
4349 f87c2ed9ff46 DHCP6: Remove #defines for functions when DHCP6 is disabled Roy Marples <roy@marples.name> parents: 4336 diff changeset	1764 expired = false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1765
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1766 TAILQ_FOREACH_SAFE(rap, ifp->ctx->ra_routers, next, ran) {
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1767 if (rap->iface != ifp \|\| rap->expired)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1768 continue;
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1769 valid = false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1770 if (rap->lifetime) {
4924 7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1771 elapsed = (uint32_t)eloop_timespec_diff(&now,
7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1772 &rap->acquired, NULL);
5180 0e4f56cb4c03 inet6: Expire ND on the second, not after it Roy Marples <roy@marples.name> parents: 5179 diff changeset	1773 if (elapsed >= rap->lifetime \|\| rap->doexpire) {
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 (!rap->expired) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1775 logwarnx("%s: %s: router expired",
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1776 ifp->name, rap->sfrom);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1777 rap->lifetime = 0;
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1778 expired = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1779 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1780 } else {
4349 f87c2ed9ff46 DHCP6: Remove #defines for functions when DHCP6 is disabled Roy Marples <roy@marples.name> parents: 4336 diff changeset	1781 valid = true;
4924 7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1782 ltime = rap->lifetime - elapsed;
4923 4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1783 if (next == 0 \|\| ltime < next)
4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1784 next = ltime;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1785 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1786 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1787
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1788 /* Not every prefix is tied to an address which
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1789 * the kernel can expire, so we need to handle it ourself.
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1790 * Also, some OS don't support address lifetimes (Solaris). */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1791 TAILQ_FOREACH(ia, &rap->addrs, next) {
4231 0dcc72ad719c ipv6nd: drop DHCPv6 when RA fully expires Roy Marples <roy@marples.name> parents: 4197 diff changeset	1792 if (ia->prefix_vltime == 0)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1793 continue;
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1794 if (ia->prefix_vltime == ND6_INFINITE_LIFETIME &&
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1795 !rap->doexpire)
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1796 {
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1797 valid = true;
4231 0dcc72ad719c ipv6nd: drop DHCPv6 when RA fully expires Roy Marples <roy@marples.name> parents: 4197 diff changeset	1798 continue;
0dcc72ad719c ipv6nd: drop DHCPv6 when RA fully expires Roy Marples <roy@marples.name> parents: 4197 diff changeset	1799 }
4924 7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1800 elapsed = (uint32_t)eloop_timespec_diff(&now,
7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1801 &ia->acquired, NULL);
5180 0e4f56cb4c03 inet6: Expire ND on the second, not after it Roy Marples <roy@marples.name> parents: 5179 diff changeset	1802 if (elapsed >= ia->prefix_vltime \|\| rap->doexpire) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1803 if (ia->flags & IPV6_AF_ADDED) {
4981 0fa3ebf43a1d inet6: Log expiration of a prefix if autoconf is not set Roy Marples <roy@marples.name> parents: 4978 diff changeset	1804 logwarnx("%s: expired %s %s",
0fa3ebf43a1d inet6: Log expiration of a prefix if autoconf is not set Roy Marples <roy@marples.name> parents: 4978 diff changeset	1805 ia->iface->name,
0fa3ebf43a1d inet6: Log expiration of a prefix if autoconf is not set Roy Marples <roy@marples.name> parents: 4978 diff changeset	1806 ia->flags & IPV6_AF_AUTOCONF ?
0fa3ebf43a1d inet6: Log expiration of a prefix if autoconf is not set Roy Marples <roy@marples.name> parents: 4978 diff changeset	1807 "address" : "prefix",
0fa3ebf43a1d inet6: Log expiration of a prefix if autoconf is not set Roy Marples <roy@marples.name> parents: 4978 diff changeset	1808 ia->saddr);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1809 if (if_address6(RTM_DELADDR, ia)== -1 &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1810 errno != EADDRNOTAVAIL &&
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1811 errno != ENXIO)
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	1812 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1813 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1814 ia->prefix_vltime = ia->prefix_pltime = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1815 ia->flags &=
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1816 ~(IPV6_AF_ADDED \| IPV6_AF_DADCOMPLETED);
4349 f87c2ed9ff46 DHCP6: Remove #defines for functions when DHCP6 is disabled Roy Marples <roy@marples.name> parents: 4336 diff changeset	1817 expired = true;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1818 } else {
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1819 valid = true;
4924 7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1820 ltime = ia->prefix_vltime - elapsed;
4923 4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1821 if (next == 0 \|\| ltime < next)
4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1822 next = ltime;
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
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1826 /* Work out expiry for ND options */
4924 7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1827 elapsed = (uint32_t)eloop_timespec_diff(&now,
7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1828 &rap->acquired, NULL);
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1829 len = rap->data_len - sizeof(struct nd_router_advert);
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1830 for (p = rap->data + sizeof(struct nd_router_advert);
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1831 len >= sizeof(ndo);
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1832 p += olen, len -= olen)
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1833 {
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1834 memcpy(&ndo, p, sizeof(ndo));
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1835 olen = (size_t)(ndo.nd_opt_len * 8);
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1836 if (olen > len) {
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1837 errno = EINVAL;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1838 break;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1839 }
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1840
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1841 if (has_option_mask(rap->iface->options->nomasknd,
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1842 ndo.nd_opt_type))
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1843 continue;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1844
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1845 switch (ndo.nd_opt_type) {
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1846 /* Prefix info is already checked in the above loop. */
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1847 #if 0
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1848 case ND_OPT_PREFIX_INFORMATION:
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1849 if (len < sizeof(pi))
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1850 break;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1851 memcpy(&pi, p, sizeof(pi));
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1852 ltime = pi.nd_opt_pi_valid_time;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1853 break;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1854 #endif
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1855 case ND_OPT_DNSSL:
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1856 if (len < sizeof(dnssl))
4539 3d212cac74d3 ND: Ensure that ltime is always set Roy Marples <roy@marples.name> parents: 4535 diff changeset	1857 continue;
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1858 memcpy(&dnssl, p, sizeof(dnssl));
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1859 ltime = dnssl.nd_opt_dnssl_lifetime;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1860 break;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1861 case ND_OPT_RDNSS:
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1862 if (len < sizeof(rdnss))
4539 3d212cac74d3 ND: Ensure that ltime is always set Roy Marples <roy@marples.name> parents: 4535 diff changeset	1863 continue;
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1864 memcpy(&rdnss, p, sizeof(rdnss));
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1865 ltime = rdnss.nd_opt_rdnss_lifetime;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1866 break;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1867 default:
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1868 continue;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1869 }
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1870
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1871 if (ltime == 0)
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1872 continue;
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1873 if (rap->doexpire) {
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1874 expired = true;
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1875 continue;
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1876 }
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1877 if (ltime == ND6_INFINITE_LIFETIME) {
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1878 valid = true;
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1879 continue;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1880 }
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1881
4923 4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1882 ltime = ntohl(ltime);
5180 0e4f56cb4c03 inet6: Expire ND on the second, not after it Roy Marples <roy@marples.name> parents: 5179 diff changeset	1883 if (elapsed >= ltime) {
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1884 expired = true;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1885 continue;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1886 }
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1887
4923 4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1888 valid = true;
4924 7c1a365b1e2d eloop: reduce timers rather than calculating expiry Roy Marples <roy@marples.name> parents: 4923 diff changeset	1889 ltime -= elapsed;
4923 4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1890 if (next == 0 \|\| ltime < next)
4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1891 next = ltime;
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1892 }
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1893
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1894 if (valid)
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1895 continue;
999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1896
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1897 /* Router has expired. Let's not keep a lot of them. */
c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1898 rap->expired = true;
4530 999c0c21711d RA: expire RDNSS and DNSSL entries Roy Marples <roy@marples.name> parents: 4526 diff changeset	1899 if (++nexpired > EXPIRED_MAX)
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1900 ipv6nd_free_ra(rap);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1901 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1902
4923 4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1903 if (next != 0)
4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1904 eloop_timeout_add_sec(ifp->ctx->eloop,
4fcca755943e eloop: Allow for for timeouts greater than time_t and time wrapping Roy Marples <roy@marples.name> parents: 4922 diff changeset	1905 next, ipv6nd_expirera, ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1906 if (expired) {
5040 c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1907 logwarnx("%s: part of a Router Advertisement expired",
c44b319ae036 inet6: Ensure expired routers are cleared after a carrier loss Roy Marples <roy@marples.name> parents: 5038 diff changeset	1908 ifp->name);
5179 e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	1909 ipv6nd_sortrouters(ifp->ctx);
e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	1910 ipv6nd_applyra(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1911 rt_build(ifp->ctx, AF_INET6);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1912 script_runreason(ifp, "ROUTERADVERT");
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1913 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1914 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1915
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1916 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1917 ipv6nd_drop(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	1918 {
4141 45e849031aec Ensure that all RA's are actually dropped when dropping an interface. Roy Marples <roy@marples.name> parents: 4140 diff changeset	1919 struct ra rap, ran;
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1920 bool expired = false;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1921
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1922 if (ifp->ctx->ra_routers == NULL)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1923 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1924
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1925 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
4141 45e849031aec Ensure that all RA's are actually dropped when dropping an interface. Roy Marples <roy@marples.name> parents: 4140 diff changeset	1926 TAILQ_FOREACH_SAFE(rap, ifp->ctx->ra_routers, next, ran) {
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1927 if (rap->iface == ifp) {
4646 c83adc0e8b5f inet6: Only remove default route when router becomes unreachable Roy Marples <roy@marples.name> parents: 4604 diff changeset	1928 rap->expired = expired = true;
4141 45e849031aec Ensure that all RA's are actually dropped when dropping an interface. Roy Marples <roy@marples.name> parents: 4140 diff changeset	1929 ipv6nd_drop_ra(rap);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1930 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1931 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1932 if (expired) {
5179 e241904845af inet6: Apply the best RA which is still valid. Roy Marples <roy@marples.name> parents: 5172 diff changeset	1933 ipv6nd_applyra(ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1934 rt_build(ifp->ctx, AF_INET6);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1935 if ((ifp->options->options & DHCPCD_NODROP) != DHCPCD_NODROP)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1936 script_runreason(ifp, "ROUTERADVERT");
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1937 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1938 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1939
4840 073fcd86db9b privsep: Add support for priviledge separation Roy Marples <roy@marples.name> parents: 4822 diff changeset	1940 void
4787 d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1941 ipv6nd_recvmsg(struct dhcpcd_ctx ctx, struct msghdr msg)
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1942 {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1943 struct sockaddr_in6 from = (struct sockaddr_in6 )msg->msg_name;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1944 char sfrom[INET6_ADDRSTRLEN];
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1945 int hoplimit = 0;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1946 struct icmp6_hdr *icp;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1947 struct interface *ifp;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1948 size_t len = msg->msg_iov[0].iov_len;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1949
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1950 inet_ntop(AF_INET6, &from->sin6_addr, sfrom, sizeof(sfrom));
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1951 if ((size_t)len < sizeof(struct icmp6_hdr)) {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1952 logerrx("IPv6 ICMP packet too short from %s", sfrom);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1953 return;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1954 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1955
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1956 ifp = if_findifpfromcmsg(ctx, msg, &hoplimit);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1957 if (ifp == NULL) {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1958 logerr(__func__);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1959 return;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1960 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1961
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1962 /* Don't do anything if the user hasn't configured it. */
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1963 if (ifp->active != IF_ACTIVE_USER \|\|
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1964 !(ifp->options->options & DHCPCD_IPV6))
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1965 return;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1966
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1967 icp = (struct icmp6_hdr *)msg->msg_iov[0].iov_base;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1968 if (icp->icmp6_code == 0) {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1969 switch(icp->icmp6_type) {
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1970 case ND_ROUTER_ADVERT:
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1971 ipv6nd_handlera(ctx, from, sfrom,
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1972 ifp, icp, (size_t)len, hoplimit);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1973 return;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1974 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1975 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1976
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1977 logerrx("invalid IPv6 type %d or code %d from %s",
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1978 icp->icmp6_type, icp->icmp6_code, sfrom);
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1979 }
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1980
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	1981 static void
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1982 ipv6nd_handledata(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1983 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	1984 struct dhcpcd_ctx *ctx;
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	1985 int fd;
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1986 struct sockaddr_in6 from;
5193 658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5183 diff changeset	1987 union {
658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5183 diff changeset	1988 struct icmp6_hdr hdr;
658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5183 diff changeset	1989 uint8_t buf[64 * 1024]; /* Maximum ICMPv6 size */
658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5183 diff changeset	1990 } iovbuf;
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1991 struct iovec iov = {
5193 658eb5d94c0b DHCP: Use correct buffer for receiving UDP Roy Marples <roy@marples.name> parents: 5183 diff changeset	1992 .iov_base = iovbuf.buf, .iov_len = sizeof(iovbuf.buf),
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1993 };
5160 01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5153 diff changeset	1994 union {
01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5153 diff changeset	1995 struct cmsghdr hdr;
01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5153 diff changeset	1996 uint8_t buf[CMSG_SPACE(sizeof(struct in6_pktinfo)) +
01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5153 diff changeset	1997 CMSG_SPACE(sizeof(int))];
01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5153 diff changeset	1998 } cmsgbuf = { .buf = { 0 } };
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	1999 struct msghdr msg = {
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	2000 .msg_name = &from, .msg_namelen = sizeof(from),
a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	2001 .msg_iov = &iov, .msg_iovlen = 1,
5160 01d56b8eb743 align CMSG buffer Roy Marples <roy@marples.name> parents: 5153 diff changeset	2002 .msg_control = cmsgbuf.buf, .msg_controllen = sizeof(cmsgbuf.buf),
4371 a7f3d85f54ce Remove the send/recv structures from dhcpcd context and allocate Roy Marples <roy@marples.name> parents: 4355 diff changeset	2003 };
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2004 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	2005
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	2006 #ifdef __sun
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	2007 struct interface *ifp;
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	2008 struct rs_state *state;
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	2009
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	2010 ifp = arg;
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	2011 state = RS_STATE(ifp);
15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	2012 ctx = ifp->ctx;
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	2013 fd = state->nd_fd;
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	2014 #else
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2015 ctx = arg;
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	2016 fd = ctx->nd_fd;
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	2017 #endif
4788 8d8165824b16 Solaris: Fix prior by receving IP6_PKTINFO Roy Marples <roy@marples.name> parents: 4787 diff changeset	2018 len = recvmsg(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	2019 if (len == -1) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	2020 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2021 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2022 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2023
4787 d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	2024 iov.iov_len = (size_t)len;
d3a3a2ab8ba9 Split _recv() into _recv() and _recvmsg() functions Roy Marples <roy@marples.name>* parents: 4702 diff changeset	2025 ipv6nd_recvmsg(ctx, &msg);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2026 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2027
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2028 static void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2029 ipv6nd_startrs1(void *arg)
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2030 {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2031 struct interface *ifp = arg;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2032 struct rs_state *state;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2033
4024 0984f93d896e To be consitent, do the same to loginfo as we just did for logdebug. Roy Marples <roy@marples.name> parents: 4023 diff changeset	2034 loginfox("%s: soliciting an IPv6 router", ifp->name);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2035 state = RS_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2036 if (state == NULL) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2037 ifp->if_data[IF_DATA_IPV6ND] = calloc(1, sizeof(*state));
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2038 state = RS_STATE(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2039 if (state == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	2040 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2041 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2042 }
4472 9fc687d07672 Fix compile for non-sun Roy Marples <roy@marples.name> parents: 4471 diff changeset	2043 #ifdef __sun
4471 15b9659186e8 sun: Open an IPv6ND socket per interface Roy Marples <roy@marples.name> parents: 4374 diff changeset	2044 state->nd_fd = -1;
4472 9fc687d07672 Fix compile for non-sun Roy Marples <roy@marples.name> parents: 4471 diff changeset	2045 #endif
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2046 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2047
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2048 /* Always make a new probe as the underlying hardware
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2049 * address could have changed. */
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2050 ipv6nd_makersprobe(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2051 if (state->rs == NULL) {
4010 746684127581 logerr: errx with logging Roy Marples <roy@marples.name> parents: 3966 diff changeset	2052 logerr(__func__);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2053 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2054 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2055
4335 d0519e1f2f5f ip6: Implement IPv6 address sharing Roy Marples <roy@marples.name> parents: 4333 diff changeset	2056 state->retrans = RETRANS_TIMER;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2057 state->rsprobes = 0;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2058 ipv6nd_sendrsprobe(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2059 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2060
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2061 void
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2062 ipv6nd_startrs(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	2063 {
4934 64d2e5e77cc3 inet6: Use milliseconds rather than timespec for calcuating delays Roy Marples <roy@marples.name> parents: 4929 diff changeset	2064 unsigned int delay;
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2065
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2066 eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2067 if (!(ifp->options->options & DHCPCD_INITIAL_DELAY)) {
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2068 ipv6nd_startrs1(ifp);
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2069 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2070 }
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2071
4934 64d2e5e77cc3 inet6: Use milliseconds rather than timespec for calcuating delays Roy Marples <roy@marples.name> parents: 4929 diff changeset	2072 delay = arc4random_uniform(MAX_RTR_SOLICITATION_DELAY * MSEC_PER_SEC);
4023 66f9399ba5c6 Add logdebugx, similar to logerrx and logwarnx. Roy Marples <roy@marples.name> parents: 4010 diff changeset	2073 logdebugx("%s: delaying IPv6 router solicitation for %0.1f seconds",
4934 64d2e5e77cc3 inet6: Use milliseconds rather than timespec for calcuating delays Roy Marples <roy@marples.name> parents: 4929 diff changeset	2074 ifp->name, (float)delay / MSEC_PER_SEC);
64d2e5e77cc3 inet6: Use milliseconds rather than timespec for calcuating delays Roy Marples <roy@marples.name> parents: 4929 diff changeset	2075 eloop_timeout_add_msec(ifp->ctx->eloop, delay, ipv6nd_startrs1, ifp);
3932 e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2076 return;
e802a4235d75 Move the source files along with dev, crypt and comapt into src dir. Roy Marples <roy@marples.name> parents: diff changeset	2077 }

Mercurial > hg > dhcpcd

annotate src/ipv6nd.c @ 5535:a0d828e25482 draft