2 * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
23 static const char rcsid[] =
24 "@(#) $Header: /tcpdump/master/tcpdump/print-rt6.c,v 1.17 2000/12/13 07:57:05 itojun Exp $";
33 #include <sys/param.h>
35 #include <sys/types.h>
36 #include <sys/socket.h>
39 #include <netinet/in.h>
45 #include "interface.h"
46 #include "addrtoname.h"
49 rt6_print(register const u_char *bp, register const u_char *bp2)
51 register const struct ip6_rthdr *dp;
52 register const struct ip6_rthdr0 *dp0;
53 register const struct ip6_hdr *ip;
54 register const u_char *ep;
56 register const struct in6_addr *addr;
58 dp = (struct ip6_rthdr *)bp;
59 ip = (struct ip6_hdr *)bp2;
62 /* 'ep' points to the end of available data. */
67 ip6addr_string(&ip->ip6_src),
68 ip6addr_string(&ip->ip6_dst));
71 TCHECK(dp->ip6r_segleft);
73 printf("srcrt (len=%d", dp->ip6r_len); /*)*/
74 printf(", type=%d", dp->ip6r_type);
75 printf(", segleft=%d", dp->ip6r_segleft);
77 switch (dp->ip6r_type) {
78 #ifndef IPV6_RTHDR_TYPE_0
79 #define IPV6_RTHDR_TYPE_0 0
81 case IPV6_RTHDR_TYPE_0:
82 dp0 = (struct ip6_rthdr0 *)dp;
84 TCHECK(dp0->ip6r0_reserved);
85 if (dp0->ip6r0_reserved || vflag) {
87 (u_int32_t)ntohl(dp0->ip6r0_reserved));
93 addr = &dp0->ip6r0_addr[0];
94 for (i = 0; i < len; i++) {
95 if ((u_char *)(addr + 1) > ep)
98 printf(", [%d]%s", i, ip6addr_string(addr));
103 return((dp0->ip6r0_len + 1) << 3);
111 fputs("[|srcrt]", stdout);
112 return 65535; /* XXX */