traceroute6.c (1f69b3fb55ee0c91b14d428fa114a2c812c723a9) traceroute6.c (af58a3c6bf09911a4a2092b38ad1b056a83fac50)
1/* $KAME: traceroute6.c,v 1.68 2004/01/25 11:16:12 suz Exp $ */
2
3/*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 * All rights reserved.
8 *

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326int rcvhlim;
327struct in6_pktinfo *rcvpktinfo;
328
329struct sockaddr_in6 Src, Dst, Rcv;
330u_long datalen = 20; /* How much data */
331#define ICMP6ECHOLEN 8
332/* XXX: 2064 = 127(max hops in type 0 rthdr) * sizeof(ip6_hdr) + 16(margin) */
333char rtbuf[2064];
1/* $KAME: traceroute6.c,v 1.68 2004/01/25 11:16:12 suz Exp $ */
2
3/*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 * All rights reserved.
8 *

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326int rcvhlim;
327struct in6_pktinfo *rcvpktinfo;
328
329struct sockaddr_in6 Src, Dst, Rcv;
330u_long datalen = 20; /* How much data */
331#define ICMP6ECHOLEN 8
332/* XXX: 2064 = 127(max hops in type 0 rthdr) * sizeof(ip6_hdr) + 16(margin) */
333char rtbuf[2064];
334#ifdef USE_RFC2292BIS
335struct ip6_rthdr *rth;
334struct ip6_rthdr *rth;
336#endif
337struct cmsghdr *cmsg;
338
339char *source = NULL;
340char *hostname;
341
342u_long nprobes = 3;
343u_long first_hop = 1;
344u_long max_hops = 30;

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430 break;
431 case 'g':
432 hp = getipnodebyname(optarg, AF_INET6, 0, &h_errno);
433 if (hp == NULL) {
434 fprintf(stderr,
435 "traceroute6: unknown host %s\n", optarg);
436 exit(1);
437 }
335struct cmsghdr *cmsg;
336
337char *source = NULL;
338char *hostname;
339
340u_long nprobes = 3;
341u_long first_hop = 1;
342u_long max_hops = 30;

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428 break;
429 case 'g':
430 hp = getipnodebyname(optarg, AF_INET6, 0, &h_errno);
431 if (hp == NULL) {
432 fprintf(stderr,
433 "traceroute6: unknown host %s\n", optarg);
434 exit(1);
435 }
438#ifdef USE_RFC2292BIS
439 if (rth == NULL) {
440 /*
441 * XXX: We can't detect the number of
442 * intermediate nodes yet.
443 */
444 if ((rth = inet6_rth_init((void *)rtbuf,
445 sizeof(rtbuf), IPV6_RTHDR_TYPE_0,
446 0)) == NULL) {

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451 }
452 if (inet6_rth_add((void *)rth,
453 (struct in6_addr *)hp->h_addr)) {
454 fprintf(stderr,
455 "inet6_rth_add failed for %s\n",
456 optarg);
457 exit(1);
458 }
436 if (rth == NULL) {
437 /*
438 * XXX: We can't detect the number of
439 * intermediate nodes yet.
440 */
441 if ((rth = inet6_rth_init((void *)rtbuf,
442 sizeof(rtbuf), IPV6_RTHDR_TYPE_0,
443 0)) == NULL) {

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448 }
449 if (inet6_rth_add((void *)rth,
450 (struct in6_addr *)hp->h_addr)) {
451 fprintf(stderr,
452 "inet6_rth_add failed for %s\n",
453 optarg);
454 exit(1);
455 }
459#else /* old advanced API */
460 if (cmsg == NULL)
461 cmsg = inet6_rthdr_init(rtbuf, IPV6_RTHDR_TYPE_0);
462 inet6_rthdr_add(cmsg, (struct in6_addr *)hp->h_addr,
463 IPV6_RTHDR_LOOSE);
464#endif
465 freehostent(hp);
466 break;
467 case 'I':
468 useproto = IPPROTO_ICMPV6;
469 break;
470 case 'l':
471 lflag++;
472 break;

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758 }
759#endif /* SO_SNDBUF */
760 if (options & SO_DEBUG)
761 (void) setsockopt(sndsock, SOL_SOCKET, SO_DEBUG,
762 (char *)&on, sizeof(on));
763 if (options & SO_DONTROUTE)
764 (void) setsockopt(sndsock, SOL_SOCKET, SO_DONTROUTE,
765 (char *)&on, sizeof(on));
456 freehostent(hp);
457 break;
458 case 'I':
459 useproto = IPPROTO_ICMPV6;
460 break;
461 case 'l':
462 lflag++;
463 break;

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749 }
750#endif /* SO_SNDBUF */
751 if (options & SO_DEBUG)
752 (void) setsockopt(sndsock, SOL_SOCKET, SO_DEBUG,
753 (char *)&on, sizeof(on));
754 if (options & SO_DONTROUTE)
755 (void) setsockopt(sndsock, SOL_SOCKET, SO_DONTROUTE,
756 (char *)&on, sizeof(on));
766#ifdef USE_RFC2292BIS
767 if (rth) {/* XXX: there is no library to finalize the header... */
768 rth->ip6r_len = rth->ip6r_segleft * 2;
769 if (setsockopt(sndsock, IPPROTO_IPV6, IPV6_RTHDR,
770 (void *)rth, (rth->ip6r_len + 1) << 3)) {
771 fprintf(stderr, "setsockopt(IPV6_RTHDR): %s\n",
772 strerror(errno));
773 exit(1);
774 }
775 }
757 if (rth) {/* XXX: there is no library to finalize the header... */
758 rth->ip6r_len = rth->ip6r_segleft * 2;
759 if (setsockopt(sndsock, IPPROTO_IPV6, IPV6_RTHDR,
760 (void *)rth, (rth->ip6r_len + 1) << 3)) {
761 fprintf(stderr, "setsockopt(IPV6_RTHDR): %s\n",
762 strerror(errno));
763 exit(1);
764 }
765 }
776#else /* old advanced API */
777 if (cmsg != NULL) {
778 inet6_rthdr_lasthop(cmsg, IPV6_RTHDR_LOOSE);
779 if (setsockopt(sndsock, IPPROTO_IPV6, IPV6_PKTOPTIONS,
780 rtbuf, cmsg->cmsg_len) < 0) {
781 fprintf(stderr, "setsockopt(IPV6_PKTOPTIONS): %s\n",
782 strerror(errno));
783 exit(1);
784 }
785 }
786#endif /* USE_RFC2292BIS */
787#ifdef IPSEC
788#ifdef IPSEC_POLICY_IPSEC
789 /*
790 * do not raise error even if setsockopt fails, kernel may have ipsec
791 * turned off.
792 */
793 if (setpolicy(sndsock, "in bypass") < 0)
794 errx(1, "%s", ipsec_strerror());

--- 943 unchanged lines hidden --- 		766#ifdef IPSEC
767#ifdef IPSEC_POLICY_IPSEC
768 /*
769 * do not raise error even if setsockopt fails, kernel may have ipsec
770 * turned off.
771 */
772 if (setpolicy(sndsock, "in bypass") < 0)
773 errx(1, "%s", ipsec_strerror());

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