1 /* $KAME: rtsold.h,v 1.19 2003/04/16 09:48:15 itojun Exp $ */
4 * SPDX-License-Identifier: BSD-3-Clause
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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.
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
37 TAILQ_ENTRY(script_msg) sm_next;
42 TAILQ_HEAD(script_msg_head_t, script_msg);
45 TAILQ_ENTRY(ra_opt) rao_next;
48 struct timespec rao_expire;
53 TAILQ_HEAD(rainfo_head, ra_opt);
56 TAILQ_ENTRY(rainfo) rai_next;
58 struct ifinfo *rai_ifinfo;
59 struct sockaddr_in6 rai_saddr;
60 TAILQ_HEAD(, ra_opt) rai_ra_opt;
63 /* Per-interface tracking info. */
65 TAILQ_ENTRY(ifinfo) ifi_next; /* pointer to the next interface */
67 struct sockaddr_dl *sdl; /* link-layer address */
68 char ifname[IFNAMSIZ]; /* interface name */
69 uint32_t linkid; /* link ID of this interface */
70 int active; /* interface status */
71 int probeinterval; /* interval of probe timer (if necessary) */
72 int probetimer; /* rest of probe timer */
73 int mediareqok; /* whether the IF supports SIOCGIFMEDIA */
74 int managedconfig; /* need a separate protocol for the "managed"
76 int otherconfig; /* need a separate protocol for the "other"
81 struct timespec timer;
82 struct timespec expire;
83 #define IFI_DNSOPT_STATE_NOINFO 0
84 #define IFI_DNSOPT_STATE_RECEIVED 1
85 int ifi_rdnss; /* RDNSS option state */
86 int ifi_dnssl; /* DNSSL option state */
88 int racnt; /* total # of valid RAs it have got */
89 TAILQ_HEAD(, rainfo) ifi_rainfo;
95 /* per interface status */
100 #define IFS_TENTATIVE 4
103 extern TAILQ_HEAD(ifinfo_head_t, ifinfo) ifinfo_head;
105 #define DNSINFO_ORIGIN_LABEL "slaac"
107 * RFC 3542 API deprecates IPV6_PKTINFO in favor of
110 #ifndef IPV6_RECVPKTINFO
112 #define IPV6_RECVPKTINFO IPV6_PKTINFO
116 * RFC 3542 API deprecates IPV6_HOPLIMIT in favor of
119 #ifndef IPV6_RECVHOPLIMIT
121 #define IPV6_RECVHOPLIMIT IPV6_HOPLIMIT
125 #ifndef IN6ADDR_LINKLOCAL_ALLROUTERS_INIT
126 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
127 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
128 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
131 #define TS_CMP(tsp, usp, cmp) \
132 (((tsp)->tv_sec == (usp)->tv_sec) ? \
133 ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
134 ((tsp)->tv_sec cmp (usp)->tv_sec))
135 #define TS_ADD(tsp, usp, vsp) \
137 (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
138 (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
139 if ((vsp)->tv_nsec >= 1000000000L) { \
141 (vsp)->tv_nsec -= 1000000000L; \
144 #define TS_SUB(tsp, usp, vsp) \
146 (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
147 (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
148 if ((vsp)->tv_nsec < 0) { \
150 (vsp)->tv_nsec += 1000000000L; \
156 extern struct timespec tm_max;
161 extern const char *managedconf_script;
162 extern const char *otherconf_script;
163 extern const char *resolvconf_script;
164 extern struct cap_channel *capllflags, *capscript, *capsendmsg, *capsyslog;
166 struct ifinfo *find_ifinfo(int);
167 struct rainfo *find_rainfo(struct ifinfo *, struct sockaddr_in6 *);
168 void rtsol_timer_update(struct ifinfo *);
169 extern void warnmsg(int, const char *, const char *, ...)
170 __attribute__((__format__(__printf__, 3, 4)));
171 extern int ra_opt_handler(struct ifinfo *);
175 extern int ifinit(void);
176 extern int interface_up(char *);
177 extern int interface_status(struct ifinfo *);
178 extern int lladdropt_length(struct sockaddr_dl *);
179 extern void lladdropt_fill(struct sockaddr_dl *, struct nd_opt_hdr *);
180 extern struct sockaddr_dl *if_nametosdl(char *);
183 extern int recvsockopen(void);
184 extern void rtsol_input(int);
187 extern int cap_llflags_get(struct cap_channel *, const char *, int *);
190 extern int cap_script_run(struct cap_channel *, const char *const *);
191 extern int cap_script_wait(struct cap_channel *, int *);
194 extern int cap_probe_defrouters(struct cap_channel *, struct ifinfo *);
195 extern int cap_rssend(struct cap_channel *, struct ifinfo *);
198 extern FILE *rtsold_init_dumpfile(const char *);
199 extern void rtsold_dump(FILE *);
200 extern const char *sec2str(const struct timespec *);
203 extern int rtsock_open(void);
204 extern int rtsock_input(int);