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