rtsold.h revision 330897
1/* $KAME: rtsold.h,v 1.19 2003/04/16 09:48:15 itojun Exp $ */ 2 3/*- 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * $FreeBSD: stable/11/usr.sbin/rtsold/rtsold.h 330897 2018-03-14 03:19:51Z eadler $ 34 */ 35 36struct script_msg { 37 TAILQ_ENTRY(script_msg) sm_next; 38 39 char *sm_msg; 40}; 41 42TAILQ_HEAD(script_msg_head_t, script_msg); 43 44struct ra_opt { 45 TAILQ_ENTRY(ra_opt) rao_next; 46 47 u_int8_t rao_type; 48 struct timespec rao_expire; 49 size_t rao_len; 50 void *rao_msg; 51}; 52 53TAILQ_HEAD(rainfo_head, ra_opt); 54 55struct rainfo { 56 TAILQ_ENTRY(rainfo) rai_next; 57 58 struct ifinfo *rai_ifinfo; 59 struct sockaddr_in6 rai_saddr; 60 TAILQ_HEAD(, ra_opt) rai_ra_opt; 61}; 62 63struct ifinfo { 64 TAILQ_ENTRY(ifinfo) ifi_next; /* pointer to the next interface */ 65 66 struct sockaddr_dl *sdl; /* link-layer address */ 67 char ifname[IFNAMSIZ]; /* interface name */ 68 u_int32_t linkid; /* link ID of this interface */ 69 int active; /* interface status */ 70 int probeinterval; /* interval of probe timer (if necessary) */ 71 int probetimer; /* rest of probe timer */ 72 int mediareqok; /* whether the IF supports SIOCGIFMEDIA */ 73 int otherconfig; /* need a separate protocol for the "other" 74 * configuration */ 75 int state; 76 int probes; 77 int dadcount; 78 struct timespec timer; 79 struct timespec expire; 80 int errors; /* # of errors we've got - detect wedge */ 81#define IFI_DNSOPT_STATE_NOINFO 0 82#define IFI_DNSOPT_STATE_RECEIVED 1 83 int ifi_rdnss; /* RDNSS option state */ 84 int ifi_dnssl; /* DNSSL option state */ 85 86 int racnt; /* total # of valid RAs it have got */ 87 TAILQ_HEAD(, rainfo) ifi_rainfo; 88 89 size_t rs_datalen; 90 u_char *rs_data; 91}; 92 93/* per interface status */ 94#define IFS_IDLE 0 95#define IFS_DELAY 1 96#define IFS_PROBE 2 97#define IFS_DOWN 3 98#define IFS_TENTATIVE 4 99 100/* Interface list */ 101extern TAILQ_HEAD(ifinfo_head_t, ifinfo) ifinfo_head; 102 103#define DNSINFO_ORIGIN_LABEL "slaac" 104/* 105 * RFC 3542 API deprecates IPV6_PKTINFO in favor of 106 * IPV6_RECVPKTINFO 107 */ 108#ifndef IPV6_RECVPKTINFO 109#ifdef IPV6_PKTINFO 110#define IPV6_RECVPKTINFO IPV6_PKTINFO 111#endif 112#endif 113/* 114 * RFC 3542 API deprecates IPV6_HOPLIMIT in favor of 115 * IPV6_RECVHOPLIMIT 116 */ 117#ifndef IPV6_RECVHOPLIMIT 118#ifdef IPV6_HOPLIMIT 119#define IPV6_RECVHOPLIMIT IPV6_HOPLIMIT 120#endif 121#endif 122 123#ifndef IN6ADDR_LINKLOCAL_ALLROUTERS_INIT 124#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ 125 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 126 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} 127#endif 128 129#define TS_CMP(tsp, usp, cmp) \ 130 (((tsp)->tv_sec == (usp)->tv_sec) ? \ 131 ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \ 132 ((tsp)->tv_sec cmp (usp)->tv_sec)) 133#define TS_ADD(tsp, usp, vsp) \ 134 do { \ 135 (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \ 136 (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \ 137 if ((vsp)->tv_nsec >= 1000000000L) { \ 138 (vsp)->tv_sec++; \ 139 (vsp)->tv_nsec -= 1000000000L; \ 140 } \ 141 } while (0) 142#define TS_SUB(tsp, usp, vsp) \ 143 do { \ 144 (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \ 145 (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \ 146 if ((vsp)->tv_nsec < 0) { \ 147 (vsp)->tv_sec--; \ 148 (vsp)->tv_nsec += 1000000000L; \ 149 } \ 150 } while (0) 151 152/* rtsold.c */ 153extern struct timespec tm_max; 154extern int dflag; 155extern int aflag; 156extern int Fflag; 157extern int uflag; 158extern const char *otherconf_script; 159extern const char *resolvconf_script; 160extern int ifconfig(char *); 161extern void iflist_init(void); 162struct ifinfo *find_ifinfo(int); 163struct rainfo *find_rainfo(struct ifinfo *, struct sockaddr_in6 *); 164void rtsol_timer_update(struct ifinfo *); 165extern void warnmsg(int, const char *, const char *, ...) 166 __attribute__((__format__(__printf__, 3, 4))); 167extern char **autoifprobe(void); 168extern int ra_opt_handler(struct ifinfo *); 169 170/* if.c */ 171extern int ifinit(void); 172extern int interface_up(char *); 173extern int interface_status(struct ifinfo *); 174extern int lladdropt_length(struct sockaddr_dl *); 175extern void lladdropt_fill(struct sockaddr_dl *, struct nd_opt_hdr *); 176extern struct sockaddr_dl *if_nametosdl(char *); 177extern int getinet6sysctl(int); 178extern int setinet6sysctl(int, int); 179 180/* rtsol.c */ 181extern int rssock; 182extern int sockopen(void); 183extern void sendpacket(struct ifinfo *); 184extern void rtsol_input(int); 185 186/* probe.c */ 187extern int probe_init(void); 188extern void defrouter_probe(struct ifinfo *); 189 190/* dump.c */ 191extern void rtsold_dump_file(const char *); 192extern const char *sec2str(const struct timespec *); 193 194/* rtsock.c */ 195extern int rtsock_open(void); 196extern int rtsock_input(int); 197