| /* |
| * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that: (1) source code distributions |
| * retain the above copyright notice and this paragraph in its entirety, (2) |
| * distributions including binary code include the above copyright notice and |
| * this paragraph in its entirety in the documentation or other materials |
| * provided with the distribution, and (3) all advertising materials mentioning |
| * features or use of this software display the following acknowledgement: |
| * ``This product includes software developed by the University of California, |
| * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| * the University nor the names of its contributors may be used to endorse |
| * or promote products derived from this software without specific prior |
| * written permission. |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| */ |
| |
| #ifndef lint |
| static const char rcsid[] _U_ = |
| "@(#) $Header: /tcpdump/master/tcpdump/print-rt6.c,v 1.27 2005-04-20 22:34:57 guy Exp $"; |
| #endif |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #ifdef INET6 |
| |
| #include <tcpdump-stdinc.h> |
| |
| #include <stdio.h> |
| |
| #include "ip6.h" |
| |
| #include "interface.h" |
| #include "addrtoname.h" |
| #include "extract.h" |
| |
| int |
| rt6_print(register const u_char *bp, const u_char *bp2 _U_) |
| { |
| register const struct ip6_rthdr *dp; |
| register const struct ip6_rthdr0 *dp0; |
| register const u_char *ep; |
| int i, len; |
| register const struct in6_addr *addr; |
| |
| dp = (struct ip6_rthdr *)bp; |
| len = dp->ip6r_len; |
| |
| /* 'ep' points to the end of available data. */ |
| ep = snapend; |
| |
| TCHECK(dp->ip6r_segleft); |
| |
| printf("srcrt (len=%d", dp->ip6r_len); /*)*/ |
| printf(", type=%d", dp->ip6r_type); |
| printf(", segleft=%d", dp->ip6r_segleft); |
| |
| switch (dp->ip6r_type) { |
| #ifndef IPV6_RTHDR_TYPE_0 |
| #define IPV6_RTHDR_TYPE_0 0 |
| #endif |
| #ifndef IPV6_RTHDR_TYPE_2 |
| #define IPV6_RTHDR_TYPE_2 2 |
| #endif |
| case IPV6_RTHDR_TYPE_0: |
| case IPV6_RTHDR_TYPE_2: /* Mobile IPv6 ID-20 */ |
| dp0 = (struct ip6_rthdr0 *)dp; |
| |
| TCHECK(dp0->ip6r0_reserved); |
| if (dp0->ip6r0_reserved || vflag) { |
| printf(", rsv=0x%0x", |
| EXTRACT_32BITS(&dp0->ip6r0_reserved)); |
| } |
| |
| if (len % 2 == 1) |
| goto trunc; |
| len >>= 1; |
| addr = &dp0->ip6r0_addr[0]; |
| for (i = 0; i < len; i++) { |
| if ((u_char *)(addr + 1) > ep) |
| goto trunc; |
| |
| printf(", [%d]%s", i, ip6addr_string(addr)); |
| addr++; |
| } |
| /*(*/ |
| printf(") "); |
| return((dp0->ip6r0_len + 1) << 3); |
| break; |
| default: |
| goto trunc; |
| break; |
| } |
| |
| trunc: |
| fputs("[|srcrt]", stdout); |
| return -1; |
| } |
| #endif /* INET6 */ |