1241675Suqs/* $KAME: rtsold.h,v 1.19 2003/04/16 09:48:15 itojun Exp $ */ 2241675Suqs 3241675Suqs/* 4241675Suqs * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 5241675Suqs * All rights reserved. 6241675Suqs * 7241675Suqs * Redistribution and use in source and binary forms, with or without 8241675Suqs * modification, are permitted provided that the following conditions 9241675Suqs * are met: 10241675Suqs * 1. Redistributions of source code must retain the above copyright 11241675Suqs * notice, this list of conditions and the following disclaimer. 12241675Suqs * 2. Redistributions in binary form must reproduce the above copyright 13241675Suqs * notice, this list of conditions and the following disclaimer in the 14241675Suqs * documentation and/or other materials provided with the distribution. 15241675Suqs * 3. Neither the name of the project nor the names of its contributors 16241675Suqs * may be used to endorse or promote products derived from this software 17241675Suqs * without specific prior written permission. 18241675Suqs * 19241675Suqs * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20241675Suqs * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21241675Suqs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22241675Suqs * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 23241675Suqs * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24241675Suqs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25241675Suqs * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26241675Suqs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27241675Suqs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28241675Suqs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29241675Suqs * SUCH DAMAGE. 30241675Suqs * 31241675Suqs * $FreeBSD$ 32241675Suqs */ 33241675Suqs 34241675Suqsstruct script_msg { 35241675Suqs TAILQ_ENTRY(script_msg) sm_next; 36241675Suqs 37241675Suqs char *sm_msg; 38241675Suqs}; 39241675Suqs 40241675SuqsTAILQ_HEAD(script_msg_head_t, script_msg); 41241675Suqs 42241675Suqsstruct ra_opt { 43241675Suqs TAILQ_ENTRY(ra_opt) rao_next; 44241675Suqs 45241675Suqs u_int8_t rao_type; 46241675Suqs struct timespec rao_expire; 47241675Suqs size_t rao_len; 48241675Suqs void *rao_msg; 49241675Suqs}; 50241675Suqs 51241675SuqsTAILQ_HEAD(rainfo_head, ra_opt); 52241675Suqs 53241675Suqsstruct rainfo { 54241675Suqs TAILQ_ENTRY(rainfo) rai_next; 55241675Suqs 56241675Suqs struct ifinfo *rai_ifinfo; 57241675Suqs struct sockaddr_in6 rai_saddr; 58241675Suqs TAILQ_HEAD(, ra_opt) rai_ra_opt; 59241675Suqs}; 60241675Suqs 61241675Suqsstruct ifinfo { 62241675Suqs TAILQ_ENTRY(ifinfo) ifi_next; /* pointer to the next interface */ 63241675Suqs 64241675Suqs struct sockaddr_dl *sdl; /* link-layer address */ 65241675Suqs char ifname[IFNAMSIZ]; /* interface name */ 66241675Suqs u_int32_t linkid; /* link ID of this interface */ 67241675Suqs int active; /* interface status */ 68241675Suqs int probeinterval; /* interval of probe timer (if necessary) */ 69241675Suqs int probetimer; /* rest of probe timer */ 70241675Suqs int mediareqok; /* wheter the IF supports SIOCGIFMEDIA */ 71241675Suqs int otherconfig; /* need a separate protocol for the "other" 72241675Suqs * configuration */ 73241675Suqs int state; 74241675Suqs int probes; 75241675Suqs int dadcount; 76241675Suqs struct timespec timer; 77241675Suqs struct timespec expire; 78241675Suqs int errors; /* # of errors we've got - detect wedge */ 79241675Suqs#define IFI_DNSOPT_STATE_NOINFO 0 80241675Suqs#define IFI_DNSOPT_STATE_RECEIVED 1 81241675Suqs int ifi_rdnss; /* RDNSS option state */ 82241675Suqs int ifi_dnssl; /* DNSSL option state */ 83241675Suqs 84241675Suqs int racnt; /* total # of valid RAs it have got */ 85241675Suqs TAILQ_HEAD(, rainfo) ifi_rainfo; 86241675Suqs 87241675Suqs size_t rs_datalen; 88241675Suqs u_char *rs_data; 89241675Suqs}; 90241675Suqs 91241675Suqs/* per interface status */ 92241675Suqs#define IFS_IDLE 0 93241675Suqs#define IFS_DELAY 1 94241675Suqs#define IFS_PROBE 2 95241675Suqs#define IFS_DOWN 3 96241675Suqs#define IFS_TENTATIVE 4 97241675Suqs 98241675Suqs/* Interface list */ 99241675Suqsextern TAILQ_HEAD(ifinfo_head_t, ifinfo) ifinfo_head; 100241675Suqs 101241675Suqs#define DNSINFO_ORIGIN_LABEL "slaac" 102241675Suqs/* 103241675Suqs * RFC 3542 API deprecates IPV6_PKTINFO in favor of 104241675Suqs * IPV6_RECVPKTINFO 105241675Suqs */ 106241675Suqs#ifndef IPV6_RECVPKTINFO 107241675Suqs#ifdef IPV6_PKTINFO 108241675Suqs#define IPV6_RECVPKTINFO IPV6_PKTINFO 109241675Suqs#endif 110241675Suqs#endif 111241675Suqs/* 112241675Suqs * RFC 3542 API deprecates IPV6_HOPLIMIT in favor of 113241675Suqs * IPV6_RECVHOPLIMIT 114241675Suqs */ 115241675Suqs#ifndef IPV6_RECVHOPLIMIT 116241675Suqs#ifdef IPV6_HOPLIMIT 117241675Suqs#define IPV6_RECVHOPLIMIT IPV6_HOPLIMIT 118241675Suqs#endif 119241675Suqs#endif 120241675Suqs 121241675Suqs#ifndef IN6ADDR_LINKLOCAL_ALLROUTERS_INIT 122241675Suqs#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ 123241675Suqs {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 124241675Suqs 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} 125241675Suqs#endif 126241675Suqs 127241675Suqs#define TS_CMP(tsp, usp, cmp) \ 128241675Suqs (((tsp)->tv_sec == (usp)->tv_sec) ? \ 129241675Suqs ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \ 130241675Suqs ((tsp)->tv_sec cmp (usp)->tv_sec)) 131241675Suqs#define TS_ADD(tsp, usp, vsp) \ 132241675Suqs do { \ 133241675Suqs (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \ 134241675Suqs (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \ 135241675Suqs if ((vsp)->tv_nsec >= 1000000000L) { \ 136241675Suqs (vsp)->tv_sec++; \ 137241675Suqs (vsp)->tv_nsec -= 1000000000L; \ 138241675Suqs } \ 139241675Suqs } while (0) 140241675Suqs#define TS_SUB(tsp, usp, vsp) \ 141241675Suqs do { \ 142241675Suqs (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \ 143241675Suqs (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \ 144241675Suqs if ((vsp)->tv_nsec < 0) { \ 145241675Suqs (vsp)->tv_sec--; \ 146241675Suqs (vsp)->tv_nsec += 1000000000L; \ 147241675Suqs } \ 148241675Suqs } while (0) 149241675Suqs 150241675Suqs/* rtsold.c */ 151241675Suqsextern struct timespec tm_max; 152241675Suqsextern int dflag; 153241675Suqsextern int aflag; 154241675Suqsextern int Fflag; 155241675Suqsextern int uflag; 156241675Suqsextern const char *otherconf_script; 157241675Suqsextern const char *resolvconf_script; 158241675Suqsextern int ifconfig(char *); 159241675Suqsextern void iflist_init(void); 160241675Suqsstruct ifinfo *find_ifinfo(int); 161241675Suqsstruct rainfo *find_rainfo(struct ifinfo *, struct sockaddr_in6 *); 162241675Suqsvoid rtsol_timer_update(struct ifinfo *); 163241675Suqsextern void warnmsg(int, const char *, const char *, ...) 164241675Suqs __attribute__((__format__(__printf__, 3, 4))); 165241675Suqsextern char **autoifprobe(void); 166241675Suqsextern int ra_opt_handler(struct ifinfo *); 167241675Suqs 168241675Suqs/* if.c */ 169241675Suqsextern int ifinit(void); 170241675Suqsextern int interface_up(char *); 171241675Suqsextern int interface_status(struct ifinfo *); 172241675Suqsextern int lladdropt_length(struct sockaddr_dl *); 173241675Suqsextern void lladdropt_fill(struct sockaddr_dl *, struct nd_opt_hdr *); 174241675Suqsextern struct sockaddr_dl *if_nametosdl(char *); 175241675Suqsextern int getinet6sysctl(int); 176241675Suqsextern int setinet6sysctl(int, int); 177241675Suqs 178241675Suqs/* rtsol.c */ 179241675Suqsextern int rssock; 180241675Suqsextern int sockopen(void); 181241675Suqsextern void sendpacket(struct ifinfo *); 182241675Suqsextern void rtsol_input(int); 183241675Suqs 184241675Suqs/* probe.c */ 185241675Suqsextern int probe_init(void); 186241675Suqsextern void defrouter_probe(struct ifinfo *); 187241675Suqs 188241675Suqs/* dump.c */ 189241675Suqsextern void rtsold_dump_file(const char *); 190241675Suqsextern const char *sec2str(const struct timespec *); 191241675Suqs 192241675Suqs/* rtsock.c */ 193241675Suqsextern int rtsock_open(void); 194241675Suqsextern int rtsock_input(int); 195241675Suqs