195 lines
5.8 KiB
C
195 lines
5.8 KiB
C
/* $KAME: rtsold.h,v 1.19 2003/04/16 09:48:15 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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struct script_msg {
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TAILQ_ENTRY(script_msg) sm_next;
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char *sm_msg;
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};
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TAILQ_HEAD(script_msg_head_t, script_msg);
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struct ra_opt {
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TAILQ_ENTRY(ra_opt) rao_next;
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u_int8_t rao_type;
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struct timespec rao_expire;
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size_t rao_len;
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void *rao_msg;
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};
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TAILQ_HEAD(rainfo_head, ra_opt);
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struct rainfo {
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TAILQ_ENTRY(rainfo) rai_next;
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struct ifinfo *rai_ifinfo;
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struct sockaddr_in6 rai_saddr;
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TAILQ_HEAD(, ra_opt) rai_ra_opt;
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};
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struct ifinfo {
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TAILQ_ENTRY(ifinfo) ifi_next; /* pointer to the next interface */
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struct sockaddr_dl *sdl; /* link-layer address */
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char ifname[IFNAMSIZ]; /* interface name */
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u_int32_t linkid; /* link ID of this interface */
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int active; /* interface status */
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int probeinterval; /* interval of probe timer (if necessary) */
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int probetimer; /* rest of probe timer */
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int mediareqok; /* wheter the IF supports SIOCGIFMEDIA */
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int otherconfig; /* need a separate protocol for the "other"
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* configuration */
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int state;
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int probes;
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int dadcount;
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struct timespec timer;
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struct timespec expire;
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int errors; /* # of errors we've got - detect wedge */
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#define IFI_DNSOPT_STATE_NOINFO 0
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#define IFI_DNSOPT_STATE_RECEIVED 1
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int ifi_rdnss; /* RDNSS option state */
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int ifi_dnssl; /* DNSSL option state */
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int racnt; /* total # of valid RAs it have got */
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TAILQ_HEAD(, rainfo) ifi_rainfo;
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size_t rs_datalen;
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u_char *rs_data;
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};
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/* per interface status */
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#define IFS_IDLE 0
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#define IFS_DELAY 1
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#define IFS_PROBE 2
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#define IFS_DOWN 3
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#define IFS_TENTATIVE 4
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/* Interface list */
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extern TAILQ_HEAD(ifinfo_head_t, ifinfo) ifinfo_head;
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#define DNSINFO_ORIGIN_LABEL "slaac"
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/*
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* RFC 3542 API deprecates IPV6_PKTINFO in favor of
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* IPV6_RECVPKTINFO
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*/
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#ifndef IPV6_RECVPKTINFO
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#ifdef IPV6_PKTINFO
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#define IPV6_RECVPKTINFO IPV6_PKTINFO
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#endif
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#endif
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/*
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* RFC 3542 API deprecates IPV6_HOPLIMIT in favor of
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* IPV6_RECVHOPLIMIT
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*/
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#ifndef IPV6_RECVHOPLIMIT
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#ifdef IPV6_HOPLIMIT
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#define IPV6_RECVHOPLIMIT IPV6_HOPLIMIT
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#endif
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#endif
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#ifndef IN6ADDR_LINKLOCAL_ALLROUTERS_INIT
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#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
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{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
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#endif
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#define TS_CMP(tsp, usp, cmp) \
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(((tsp)->tv_sec == (usp)->tv_sec) ? \
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((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
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((tsp)->tv_sec cmp (usp)->tv_sec))
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#define TS_ADD(tsp, usp, vsp) \
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do { \
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(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
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(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
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if ((vsp)->tv_nsec >= 1000000000L) { \
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(vsp)->tv_sec++; \
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(vsp)->tv_nsec -= 1000000000L; \
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} \
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} while (0)
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#define TS_SUB(tsp, usp, vsp) \
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do { \
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(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
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(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
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if ((vsp)->tv_nsec < 0) { \
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(vsp)->tv_sec--; \
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(vsp)->tv_nsec += 1000000000L; \
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} \
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} while (0)
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/* rtsold.c */
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extern struct timespec tm_max;
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extern int dflag;
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extern int aflag;
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extern int Fflag;
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extern int uflag;
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extern const char *otherconf_script;
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extern const char *resolvconf_script;
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extern int ifconfig(char *);
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extern void iflist_init(void);
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struct ifinfo *find_ifinfo(int);
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struct rainfo *find_rainfo(struct ifinfo *, struct sockaddr_in6 *);
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void rtsol_timer_update(struct ifinfo *);
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extern void warnmsg(int, const char *, const char *, ...)
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__attribute__((__format__(__printf__, 3, 4)));
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extern char **autoifprobe(void);
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extern int ra_opt_handler(struct ifinfo *);
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/* if.c */
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extern int ifinit(void);
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extern int interface_up(char *);
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extern int interface_status(struct ifinfo *);
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extern int lladdropt_length(struct sockaddr_dl *);
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extern void lladdropt_fill(struct sockaddr_dl *, struct nd_opt_hdr *);
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extern struct sockaddr_dl *if_nametosdl(char *);
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extern int getinet6sysctl(int);
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extern int setinet6sysctl(int, int);
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/* rtsol.c */
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extern int rssock;
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extern int sockopen(void);
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extern void sendpacket(struct ifinfo *);
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extern void rtsol_input(int);
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/* probe.c */
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extern int probe_init(void);
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extern void defrouter_probe(struct ifinfo *);
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/* dump.c */
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extern void rtsold_dump_file(const char *);
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extern const char *sec2str(const struct timespec *);
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/* rtsock.c */
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extern int rtsock_open(void);
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extern int rtsock_input(int);
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