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route6d.c (62607) route6d.c (62921)
1/* $FreeBSD: head/usr.sbin/route6d/route6d.c 62607 2000-07-05 02:14:16Z itojun $ */
1/* $FreeBSD: head/usr.sbin/route6d/route6d.c 62921 2000-07-10 18:27:55Z ume $ */
2/* $KAME: route6d.c,v 1.30 2000/06/04 06:48:03 itojun Exp $ */
3
4/*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions

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52#include <err.h>
53
54#include <sys/types.h>
55#include <sys/param.h>
56#include <sys/file.h>
57#include <sys/socket.h>
58#include <sys/ioctl.h>
59#include <sys/sysctl.h>
2/* $KAME: route6d.c,v 1.30 2000/06/04 06:48:03 itojun Exp $ */
3
4/*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions

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52#include <err.h>
53
54#include <sys/types.h>
55#include <sys/param.h>
56#include <sys/file.h>
57#include <sys/socket.h>
58#include <sys/ioctl.h>
59#include <sys/sysctl.h>
60#ifdef ADVAPI
61#include <sys/uio.h>
60#include <sys/uio.h>
62#endif
63#include <net/if.h>
64#if defined(__FreeBSD__) && __FreeBSD__ >= 3
65#include <net/if_var.h>
66#endif /* __FreeBSD__ >= 3 */
67#define KERNEL 1
68#define _KERNEL 1
69#include <net/route.h>
70#undef KERNEL

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511 ripsend(ifcp, &ifcp->ifc_ripsin, 0);
512 }
513 alarm(ripinterval(SUPPLY_INTERVAL6));
514}
515
516void
517init()
518{
61#include <net/if.h>
62#if defined(__FreeBSD__) && __FreeBSD__ >= 3
63#include <net/if_var.h>
64#endif /* __FreeBSD__ >= 3 */
65#define KERNEL 1
66#define _KERNEL 1
67#include <net/route.h>
68#undef KERNEL

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509 ripsend(ifcp, &ifcp->ifc_ripsin, 0);
510 }
511 alarm(ripinterval(SUPPLY_INTERVAL6));
512}
513
514void
515init()
516{
519#ifdef ADVAPI
520 int i;
521#endif
522 int int0, int255, error;
517 int i, int0, int255, error;
523 struct addrinfo hints, *res;
524 char port[10];
525
526 ifc = (struct ifc *)NULL;
527 nifc = 0;
528 nindex2ifc = 0; /*initial guess*/
529 index2ifc = NULL;
530 snprintf(port, sizeof(port), "%d", RIP6_PORT);

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546 if (bind(ripsock, res->ai_addr, res->ai_addrlen) < 0)
547 fatal("rip bind");
548 if (setsockopt(ripsock, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
549 &int255, sizeof(int255)) < 0)
550 fatal("rip IPV6_MULTICAST_HOPS");
551 if (setsockopt(ripsock, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,
552 &int0, sizeof(int0)) < 0)
553 fatal("rip IPV6_MULTICAST_LOOP");
518 struct addrinfo hints, *res;
519 char port[10];
520
521 ifc = (struct ifc *)NULL;
522 nifc = 0;
523 nindex2ifc = 0; /*initial guess*/
524 index2ifc = NULL;
525 snprintf(port, sizeof(port), "%d", RIP6_PORT);

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541 if (bind(ripsock, res->ai_addr, res->ai_addrlen) < 0)
542 fatal("rip bind");
543 if (setsockopt(ripsock, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
544 &int255, sizeof(int255)) < 0)
545 fatal("rip IPV6_MULTICAST_HOPS");
546 if (setsockopt(ripsock, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,
547 &int0, sizeof(int0)) < 0)
548 fatal("rip IPV6_MULTICAST_LOOP");
554#ifdef ADVAPI
549
555 i = 1;
556#ifdef IPV6_RECVPKTINFO
557 if (setsockopt(ripsock, IPPROTO_IPV6, IPV6_RECVPKTINFO, &i,
558 sizeof(i)) < 0)
559 fatal("rip IPV6_RECVPKTINFO");
560#else /* old adv. API */
561 if (setsockopt(ripsock, IPPROTO_IPV6, IPV6_PKTINFO, &i,
562 sizeof(i)) < 0)
563 fatal("rip IPV6_PKTINFO");
564#endif
550 i = 1;
551#ifdef IPV6_RECVPKTINFO
552 if (setsockopt(ripsock, IPPROTO_IPV6, IPV6_RECVPKTINFO, &i,
553 sizeof(i)) < 0)
554 fatal("rip IPV6_RECVPKTINFO");
555#else /* old adv. API */
556 if (setsockopt(ripsock, IPPROTO_IPV6, IPV6_PKTINFO, &i,
557 sizeof(i)) < 0)
558 fatal("rip IPV6_PKTINFO");
559#endif
565#endif /*ADVAPI*/
566
567 memset(&hints, 0, sizeof(hints));
568 hints.ai_family = PF_INET6;
569 hints.ai_socktype = SOCK_DGRAM;
570 error = getaddrinfo(RIP6_DEST, port, &hints, &res);
571 if (error)
572 fatal(gai_strerror(error));
573 if (res->ai_next)

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826 struct sockaddr_in6 *sin;
827 int len;
828{
829 /*
830 * MSG_DONTROUTE should not be specified when it responds with a
831 * RIP6_REQUEST message. SO_DONTROUTE has been specified to
832 * other sockets.
833 */
560
561 memset(&hints, 0, sizeof(hints));
562 hints.ai_family = PF_INET6;
563 hints.ai_socktype = SOCK_DGRAM;
564 error = getaddrinfo(RIP6_DEST, port, &hints, &res);
565 if (error)
566 fatal(gai_strerror(error));
567 if (res->ai_next)

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820 struct sockaddr_in6 *sin;
821 int len;
822{
823 /*
824 * MSG_DONTROUTE should not be specified when it responds with a
825 * RIP6_REQUEST message. SO_DONTROUTE has been specified to
826 * other sockets.
827 */
834#ifdef ADVAPI
835 struct msghdr m;
836 struct cmsghdr *cm;
837 struct iovec iov[2];
838 u_char cmsgbuf[256];
839 struct in6_pktinfo *pi;
840 int index;
841 struct sockaddr_in6 sincopy;
842

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873 memset(&pi->ipi6_addr, 0, sizeof(pi->ipi6_addr)); /*::*/
874 pi->ipi6_ifindex = index;
875 }
876
877 if (sendmsg(ripsock, &m, 0 /*MSG_DONTROUTE*/) < 0) {
878 trace(1, "sendmsg: %s\n", strerror(errno));
879 return errno;
880 }
828 struct msghdr m;
829 struct cmsghdr *cm;
830 struct iovec iov[2];
831 u_char cmsgbuf[256];
832 struct in6_pktinfo *pi;
833 int index;
834 struct sockaddr_in6 sincopy;
835

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866 memset(&pi->ipi6_addr, 0, sizeof(pi->ipi6_addr)); /*::*/
867 pi->ipi6_ifindex = index;
868 }
869
870 if (sendmsg(ripsock, &m, 0 /*MSG_DONTROUTE*/) < 0) {
871 trace(1, "sendmsg: %s\n", strerror(errno));
872 return errno;
873 }
881#else
882 if (sendto(ripsock, ripbuf, len, 0 /*MSG_DONTROUTE*/,
883 (struct sockaddr *)sin, sizeof(struct sockaddr_in6)) < 0) {
884 trace(1, "sendto: %s\n", strerror(errno));
885 return errno;
886 }
887#endif
874
888 return 0;
889}
890
891/*
892 * Receive and process RIP packets. Update the routes/kernel forwarding
893 * table if necessary.
894 */
895void
896riprecv()
897{
898 struct ifc *ifcp, *ic;
899 struct sockaddr_in6 fsock;
900 struct in6_addr nh; /* next hop */
901 struct rip6 *rp;
902 struct netinfo6 *np, *nq;
903 struct riprt *rrt;
904 int len, nn, need_trigger, index;
875 return 0;
876}
877
878/*
879 * Receive and process RIP packets. Update the routes/kernel forwarding
880 * table if necessary.
881 */
882void
883riprecv()
884{
885 struct ifc *ifcp, *ic;
886 struct sockaddr_in6 fsock;
887 struct in6_addr nh; /* next hop */
888 struct rip6 *rp;
889 struct netinfo6 *np, *nq;
890 struct riprt *rrt;
891 int len, nn, need_trigger, index;
905#ifndef ADVAPI
906 int flen;
907#endif
908 char buf[4 * RIP6_MAXMTU];
909 time_t t;
892 char buf[4 * RIP6_MAXMTU];
893 time_t t;
910#ifdef ADVAPI
911 struct msghdr m;
912 struct cmsghdr *cm;
913 struct iovec iov[2];
914 u_char cmsgbuf[256];
915 struct in6_pktinfo *pi;
894 struct msghdr m;
895 struct cmsghdr *cm;
896 struct iovec iov[2];
897 u_char cmsgbuf[256];
898 struct in6_pktinfo *pi;
916#endif /*ADVAPI*/
917 struct iff *iffp;
918 struct in6_addr ia;
919 int ok;
920
921 need_trigger = 0;
899 struct iff *iffp;
900 struct in6_addr ia;
901 int ok;
902
903 need_trigger = 0;
922#ifdef ADVAPI
904
923 m.msg_name = (caddr_t)&fsock;
924 m.msg_namelen = sizeof(fsock);
925 iov[0].iov_base = (caddr_t)buf;
926 iov[0].iov_len = sizeof(buf);
927 m.msg_iov = iov;
928 m.msg_iovlen = 1;
929 cm = (struct cmsghdr *)cmsgbuf;
930 m.msg_control = (caddr_t)cm;

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939 && cm->cmsg_type == IPV6_PKTINFO) {
940 pi = (struct in6_pktinfo *)(CMSG_DATA(cm));
941 index = pi->ipi6_ifindex;
942 break;
943 }
944 }
945 if (index && IN6_IS_ADDR_LINKLOCAL(&fsock.sin6_addr))
946 SET_IN6_LINKLOCAL_IFINDEX(fsock.sin6_addr, index);
905 m.msg_name = (caddr_t)&fsock;
906 m.msg_namelen = sizeof(fsock);
907 iov[0].iov_base = (caddr_t)buf;
908 iov[0].iov_len = sizeof(buf);
909 m.msg_iov = iov;
910 m.msg_iovlen = 1;
911 cm = (struct cmsghdr *)cmsgbuf;
912 m.msg_control = (caddr_t)cm;

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921 && cm->cmsg_type == IPV6_PKTINFO) {
922 pi = (struct in6_pktinfo *)(CMSG_DATA(cm));
923 index = pi->ipi6_ifindex;
924 break;
925 }
926 }
927 if (index && IN6_IS_ADDR_LINKLOCAL(&fsock.sin6_addr))
928 SET_IN6_LINKLOCAL_IFINDEX(fsock.sin6_addr, index);
947#else
948 flen = sizeof(struct sockaddr_in6);
949 if ((len = recvfrom(ripsock, buf, sizeof(buf), 0,
950 (struct sockaddr *)&fsock, &flen)) < 0)
951 fatal("recvfrom");
952 if (IN6_IS_ADDR_LINKLOCAL(&fsock.sin6_addr))
953 index = IN6_LINKLOCAL_IFINDEX(fsock.sin6_addr);
954 else
955 index = 0;
956#endif /*ADVAPI*/
957
958 nh = fsock.sin6_addr;
959 nn = (len - sizeof(struct rip6) + sizeof(struct netinfo6)) /
960 sizeof(struct netinfo6);
961 rp = (struct rip6 *)buf;
962 np = rp->rip6_nets;
963
964 if (rp->rip6_vers != RIP6_VERSION) {

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930 nh = fsock.sin6_addr;
931 nn = (len - sizeof(struct rip6) + sizeof(struct netinfo6)) /
932 sizeof(struct netinfo6);
933 rp = (struct rip6 *)buf;
934 np = rp->rip6_nets;
935
936 if (rp->rip6_vers != RIP6_VERSION) {

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