usr.sbin/route6d/route6d.c

278 	struct	ifc *ifcp;
403 	TAILQ_FOREACH(ifcp, &ifc_head, ifc_next) {
404 		if (ifcp->ifc_index < 0) {
406 			    "(no link-local address?)\n", ifcp->ifc_name);
416 	TAILQ_FOREACH(ifcp, &ifc_head, ifc_next) {
417 		ifrt(ifcp, 0);
456 	TAILQ_FOREACH(ifcp, &ifc_head, ifc_next) {
457 		if (iff_find(ifcp, IFIL_TYPE_N) != NULL)
459 		if (ifcp->ifc_index > 0 && (ifcp->ifc_flags & IFF_UP))
460 			sendrequest(ifcp);
577 	struct	ifc *ifcp;
595 	TAILQ_FOREACH(ifcp, &ifc_head, ifc_next) {
596 		if (ifcp->ifc_index > 0 && (ifcp->ifc_flags & IFF_UP))
597 			ripsend(ifcp, &ifcp->ifc_ripsin, 0);
753 ripflush(struct ifc *ifcp, struct sockaddr_in6 *sin6, int nrt, struct netinfo6 *np)
758 	if (ifcp)
760 			ifcp->ifc_name, nrt,
790 		if (ifcp != NULL) {
793 			    ifcp->ifc_name,
794 			    inet6_n2p(&ifcp->ifc_ripsin.sin6_addr));
796 			ifcp->ifc_flags &= ~IFF_UP;
808 ripsend(struct	ifc *ifcp, struct sockaddr_in6 *sin6, int flag)
819 	if (ifcp == NULL) {
850 	    (qflag || (ifcp->ifc_flags & IFF_LOOPBACK)))
854 	if (iff_find(ifcp, IFIL_TYPE_N) != NULL)
858 	if (iff_find(ifcp, IFIL_TYPE_T) != NULL) {
864 		rrt_info.rip6_metric += ifcp->ifc_metric;
869 		ripflush(ifcp, sin6, nrt, np);
873 	maxrte = (ifcp->ifc_mtu - sizeof(struct ip6_hdr) -
884 		if (out_filter(rrt, ifcp) == 0)
888 		if (tobeadv(rrt, ifcp) == 0)
897 		if (rrt->rrt_index == ifcp->ifc_index &&
902 					ripflush(ifcp, sin6, nrt, np);
915 		} else if (nh && (rrt->rrt_index != ifcp->ifc_index ||
920 				ripflush(ifcp, sin6, nrt, np);
935 			ripflush(ifcp, sin6, nrt, np);
942 		ripflush(ifcp, sin6, nrt, np);
949 out_filter(struct riprt *rrt, struct ifc *ifcp)
959 	TAILQ_FOREACH(iffp, &ifcp->ifc_iff_head, iff_next) {
976 		TAILQ_FOREACH(iffp, &ifcp->ifc_iff_head, iff_next) {
993 	if (iff_find(ifcp, IFIL_TYPE_O) != NULL) {
995 		TAILQ_FOREACH(iffp, &ifcp->ifc_iff_head, iff_next) {
1020 tobeadv(struct riprt *rrt, struct ifc *ifcp)
1031 		if (sflag && rrt->rrt_index != ifcp->ifc_index)
1036 	if (hflag == 0 && rrt->rrt_index == ifcp->ifc_index)
1104 	struct	ifc *ifcp, *ic;
1197 			ifcp = index2ifc[idx];
1198 			riprequest(ifcp, np, nn, &fsock);
1243 	ifcp = (idx < nindex2ifc) ? index2ifc[idx] : NULL;
1244 	if (!ifcp) {
1248 	if (IN6_ARE_ADDR_EQUAL(&ifcp->ifc_mylladdr, &fsock.sin6_addr))
1256 	if (iff_find(ifcp, IFIL_TYPE_N) != NULL)
1260 	    ifcp->ifc_name, inet6_n2p(&nh), ntohs(fsock.sin6_port), nn);
1321                 TAILQ_FOREACH(iffp, &ifcp->ifc_iff_head, iff_next) {
1344 		np->rip6_metric += ifcp->ifc_metric;
1354 				if (rrt->rrt_index == ifcp->ifc_index &&
1360 					rrt->rrt_index = ifcp->ifc_index;
1365 					addroute(rrt, &nh, ifcp);
1371 				   rrt->rrt_index == ifcp->ifc_index &&
1380 				if (rrt->rrt_index == ifcp->ifc_index &&
1386 					rrt->rrt_index = ifcp->ifc_index;
1391 					addroute(rrt, &nh, ifcp);
1410 			rrt->rrt_index = ifcp->ifc_index;
1419 			addroute(rrt, &nh, ifcp);
1432 				if (ifcp->ifc_index == ic->ifc_index)
1450 sendrequest(struct ifc *ifcp)
1455 	if (ifcp->ifc_flags & IFF_LOOPBACK)
1462 		ifcp->ifc_name, inet6_n2p(&ifcp->ifc_ripsin.sin6_addr));
1463 	error = sendpacket(&ifcp->ifc_ripsin, RIPSIZE(1));
1468 			ifcp->ifc_name, inet6_n2p(&ifcp->ifc_ripsin.sin6_addr));
1469 		ifcp->ifc_flags &= ~IFF_UP;	/* As if down for AF_INET6 */
1478 riprequest(struct ifc *ifcp,
1502 	ripsend(ifcp, sin6, RRTF_SENDANYWAY);
1512 	struct ifc *ifcp;
1529 		ifcp = ifc_find(ifa->ifa_name);
1533 		if (!ifcp) {
1535 			if ((ifcp = MALLOC(struct ifc)) == NULL) {
1539 			memset(ifcp, 0, sizeof(*ifcp));
1541 			ifcp->ifc_index = -1;
1542 			strlcpy(ifcp->ifc_name, ifa->ifa_name,
1543 			    sizeof(ifcp->ifc_name));
1544 			TAILQ_INIT(&ifcp->ifc_ifac_head);
1545 			TAILQ_INIT(&ifcp->ifc_iff_head);
1546 			ifcp->ifc_flags = ifa->ifa_flags;
1547 			TAILQ_INSERT_HEAD(&ifc_head, ifcp, ifc_next);
1548 			trace(1, "newif %s <%s>\n", ifcp->ifc_name,
1549 				ifflags(ifcp->ifc_flags));
1550 			if (!strcmp(ifcp->ifc_name, LOOPBACK_IF))
1551 				loopifcp = ifcp;
1554 			if (ifcp->ifc_flags != ifa->ifa_flags) {
1555 				trace(1, "%s: <%s> -> ", ifcp->ifc_name,
1556 					ifflags(ifcp->ifc_flags));
1558 				ifcp->ifc_cflags |= IFC_CHANGED;
1560 			ifcp->ifc_flags = ifa->ifa_flags;
1562 		if (ifconfig1(ifa->ifa_name, ifa->ifa_addr, ifcp, s) < 0) {
1566 		if ((ifcp->ifc_flags & (IFF_LOOPBACK | IFF_UP)) == IFF_UP
1567 		 && 0 < ifcp->ifc_index && !ifcp->ifc_joined) {
1568 			mreq.ipv6mr_multiaddr = ifcp->ifc_ripsin.sin6_addr;
1569 			mreq.ipv6mr_interface = ifcp->ifc_index;
1575 			trace(1, "join %s %s\n", ifcp->ifc_name, RIP6_DEST);
1576 			ifcp->ifc_joined++;
1586 	struct ifc *ifcp,
1605 	if ((ifac = ifa_match(ifcp, &sin6->sin6_addr, plen)) != NULL) {
1620 	ifac->ifac_ifc = ifcp;
1624 	if (ifcp->ifc_flags & IFF_POINTOPOINT) {
1639 	if (ifcp->ifc_index < 0 && IN6_IS_ADDR_LINKLOCAL(&ifac->ifac_addr)) {
1640 		ifcp->ifc_mylladdr = ifac->ifac_addr;
1641 		ifcp->ifc_index = ifac->ifac_scope_id;
1642 		memcpy(&ifcp->ifc_ripsin, &ripsin, ripsin.ss_len);
1643 		ifcp->ifc_ripsin.sin6_scope_id = ifcp->ifc_index;
1644 		setindex2ifc(ifcp->ifc_index, ifcp);
1645 		ifcp->ifc_mtu = getifmtu(ifcp->ifc_index);
1646 		if (ifcp->ifc_mtu > RIP6_MAXMTU)
1647 			ifcp->ifc_mtu = RIP6_MAXMTU;
1652 		ifcp->ifc_metric = ifr.ifr_metric;
1654 			ifcp->ifc_index, ifcp->ifc_mtu, ifcp->ifc_metric);
1656 		ifcp->ifc_cflags |= IFC_CHANGED;
1658 	TAILQ_INSERT_HEAD(&ifcp->ifc_ifac_head, ifac, ifac_next);
1666 	struct ifc *ifcp;
1669 	TAILQ_FOREACH(ifcp, &ifc_head, ifc_next) {
1670 		if (ifcp->ifc_index == ifindex)
1673 	if (ifcp == NULL)
1676 	tracet(1, "ifremove: %s is departed.\n", ifcp->ifc_name);
1677 	TAILQ_REMOVE(&ifc_head, ifcp, ifc_next);
1680 		if (rrt->rrt_index == ifcp->ifc_index &&
1684 	free(ifcp);
1701 	struct ifc *ifcp, *ic;
1904 				ifcp = index2ifc[ifam->ifam_index];
1906 				ifcp = NULL;
1907 			if (!ifcp) {
1912 			if (!rt_deladdr(ifcp, rta[RTAX_IFA], rta[RTAX_NETMASK]))
1922 		TAILQ_FOREACH(ifcp, &ifc_head, ifc_next) {
1923 			if (ifcp->ifc_cflags & IFC_CHANGED) {
1924 				if (ifrt(ifcp, 1)) {
1926 						if (ifcp->ifc_index == ic->ifc_index)
1937 				ifcp->ifc_cflags &= ~IFC_CHANGED;
2049 rt_deladdr(struct ifc *ifcp,
2069 		inet6_n2p(addr), prefix, ifcp->ifc_name);
2070 	ifac = ifa_match(ifcp, addr, prefix);
2073 			inet6_n2p(addr), prefix, ifcp->ifc_name);
2076 	if (ifac->ifac_ifc != ifcp) {
2079 			ifcp->ifc_name, ifac->ifac_ifc->ifc_name);
2082 	TAILQ_REMOVE(&ifcp->ifc_ifac_head, ifac, ifac_next);
2090 		inet6_n2p(&ni6.rip6_dest), ni6.rip6_plen, ifcp->ifc_index);
2094 		if (rrt->rrt_index == ifcp->ifc_index &&
2112 	if (ifcp->ifc_flags & IFF_POINTOPOINT) {
2119 			ifcp->ifc_index);
2121 			if (rrt->rrt_index == ifcp->ifc_index &&
2150 ifrt(struct ifc *ifcp, int again)
2159 	if (ifcp->ifc_flags & IFF_LOOPBACK)
2163 	if (ifcp->ifc_flags & IFF_POINTOPOINT) {
2164 		ifrt_p2p(ifcp, again);
2168 	TAILQ_FOREACH(ifac, &ifcp->ifc_ifac_head, ifac_next) {
2173 			    inet6_n2p(&ifac->ifac_addr), ifcp->ifc_name);
2180 			    ifcp->ifc_name);
2187 			    ifcp->ifc_name);
2191 		if (ifcp->ifc_flags & IFF_UP) {
2196 			rrt->rrt_index = ifcp->ifc_index;
2200 			rrt->rrt_info.rip6_metric = 1 + ifcp->ifc_metric;
2217 						    ifcp->ifc_name);
2230 			    ifcp->ifc_name);
2232 			addroute(rrt, &rrt->rrt_gw, ifcp);
2234 			sendrequest(ifcp);
2235 			ripsend(ifcp, &ifcp->ifc_ripsin, 0);
2239 				if (loop_rrt->rrt_index == ifcp->ifc_index) {
2263 ifrt_p2p(struct ifc *ifcp, int again)
2278 	TAILQ_FOREACH(ifac, &ifcp->ifc_ifac_head, ifac_next) {
2349 			rrt->rrt_index = ifcp->ifc_index;
2376 				    "(%s on %s)\n", category, ifcp->ifc_name);
2387 			rrt->rrt_info.rip6_metric = 1 + ifcp->ifc_metric;
2395 				    category, ifcp->ifc_name, noadv);
2406 				    category, ifcp->ifc_name, noadv);
2414 					    ifcp->ifc_name, noadv);
2813 	struct ifc *ifcp)
2823 	inet_ntop(AF_INET6, (void *)&ifcp->ifc_mylladdr, (char *)buf2, sizeof(buf2));
2856 		sin6->sin6_scope_id = ifcp->ifc_index;
3020 	struct ifc *ifcp;
3031 	TAILQ_FOREACH(ifcp, &ifc_head, ifc_next)
3036 	TAILQ_FOREACH(ifcp, &ifc_head, ifc_next) {
3037 		if ((ifcp->ifc_flags & IFF_UP) == 0)
3039 		if (iff_find(ifcp, IFIL_TYPE_N) != NULL)
3041 		ifdump0(dump, ifcp);
3045 	TAILQ_FOREACH(ifcp, &ifc_head, ifc_next) {
3046 		if ((ifcp->ifc_flags & IFF_UP) &&
3047 		    (iff_find(ifcp, IFIL_TYPE_N) == NULL))
3049 		ifdump0(dump, ifcp);
3057 ifdump0(FILE *dump, const struct ifc *ifcp)
3066 		ifcp->ifc_name, ifcp->ifc_index, ifflags(ifcp->ifc_flags),
3067 		inet6_n2p(&ifcp->ifc_mylladdr),
3068 		ifcp->ifc_mtu, ifcp->ifc_metric);
3069 	TAILQ_FOREACH(ifac, &ifcp->ifc_ifac_head, ifac_next) {
3070 		if (ifcp->ifc_flags & IFF_POINTOPOINT) {
3084 	TAILQ_FOREACH(iffp, &ifcp->ifc_iff_head, iff_next) {
3167 	struct ifc *ifcp;
3217 			TAILQ_FOREACH(ifcp, &ifc_head, ifc_next) {
3218 				if (fnmatch(ifname, ifcp->ifc_name, 0) != 0)
3230 				TAILQ_INSERT_HEAD(&ifcp->ifc_iff_head, iffp, iff_next);
3293 ifa_match(const struct ifc *ifcp,
3299 	TAILQ_FOREACH(ifac, &ifcp->ifc_ifac_head, ifac_next) {
3526 	struct ifc *ifcp;
3528 	TAILQ_FOREACH(ifcp, &ifc_head, ifc_next) {
3529 		if (strcmp(name, ifcp->ifc_name) == 0)
3532 	return (ifcp);
3536 iff_find(struct ifc *ifcp, int type)
3540 	TAILQ_FOREACH(iffp, &ifcp->ifc_iff_head, iff_next) {
3550 setindex2ifc(int idx, struct ifc *ifcp)
3579 	index2ifc[idx] = ifcp;