diff options
Diffstat (limited to 'usr.sbin/traceroute/traceroute.c')
| -rw-r--r-- | usr.sbin/traceroute/traceroute.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/usr.sbin/traceroute/traceroute.c b/usr.sbin/traceroute/traceroute.c index 555c5a31952..97968d8096a 100644 --- a/usr.sbin/traceroute/traceroute.c +++ b/usr.sbin/traceroute/traceroute.c @@ -1,5 +1,5 @@ /* $NetBSD: traceroute.c,v 1.10 1995/05/21 15:50:45 mycroft Exp $ */ -/* $OpenBSD: traceroute.c,v 1.17 1997/06/09 00:21:16 denny Exp $ */ +/* $OpenBSD: traceroute.c,v 1.18 1997/06/09 21:31:01 deraadt Exp $ */ /*- * Copyright (c) 1990, 1993 @@ -288,6 +288,7 @@ int nprobes = 3; int max_ttl = 30; u_short ident; u_short port = 32768+666; /* start udp dest port # for probe packets */ +u_char proto = IPPROTO_UDP; int options; /* socket options */ int verbose; int waittime = 5; /* time to wait for response (in seconds) */ @@ -322,7 +323,7 @@ main(argc, argv) lsrr = 0; on = 1; seq = tos = 0; - while ((ch = getopt(argc, argv, "dDg:m:np:q:rs:t:w:vl")) != -1) + while ((ch = getopt(argc, argv, "dDg:m:np:q:rs:t:w:vlP:")) != -1) switch (ch) { case 'd': options |= SO_DEBUG; @@ -359,6 +360,16 @@ main(argc, argv) if (port < 1) errx(1, "port must be >0."); break; + case 'P': + proto = atoi(optarg); + if (proto <= 1) { + struct protoent *pent; + pent = getprotobyname(optarg); + if (pent) + proto = pent->p_proto; + errx(1, "proto must be >=0, or a name."); + } + break; case 'q': nprobes = atoi(optarg); if (nprobes < 1) @@ -439,7 +450,7 @@ main(argc, argv) ip->ip_dst = to.sin_addr; ip->ip_off = htons(0); ip->ip_hl = (sizeof(struct ip) + lsrrlen) >> 2; - ip->ip_p = IPPROTO_UDP; + ip->ip_p = proto; ip->ip_v = IPVERSION; ip->ip_tos = tos; @@ -756,7 +767,7 @@ packet_ok(buf, cc, from, seq) hip = &icp->icmp_ip; hlen = hip->ip_hl << 2; up = (struct udphdr *)((u_char *)hip + hlen); - if (hlen + 12 <= cc && hip->ip_p == IPPROTO_UDP && + if (hlen + 12 <= cc && hip->ip_p == proto && up->uh_sport == htons(ident) && up->uh_dport == htons(port+seq)) return (type == ICMP_TIMXCEED? -1 : code+1); |