The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994 |
| 3 | * The Regents of the University of California. All rights reserved. |
| 4 | * |
| 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 |
| 16 | * written permission. |
| 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. |
| 20 | */ |
| 21 | |
| 22 | #ifndef lint |
| 23 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 24 | "@(#) $Header: /tcpdump/master/tcpdump/print-rt6.c,v 1.27 2005-04-20 22:34:57 guy Exp $"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 25 | #endif |
| 26 | |
| 27 | #ifdef HAVE_CONFIG_H |
| 28 | #include "config.h" |
| 29 | #endif |
| 30 | |
| 31 | #ifdef INET6 |
| 32 | |
| 33 | #include <tcpdump-stdinc.h> |
| 34 | |
| 35 | #include <stdio.h> |
| 36 | |
| 37 | #include "ip6.h" |
| 38 | |
| 39 | #include "interface.h" |
| 40 | #include "addrtoname.h" |
| 41 | #include "extract.h" |
| 42 | |
| 43 | int |
| 44 | rt6_print(register const u_char *bp, const u_char *bp2 _U_) |
| 45 | { |
| 46 | register const struct ip6_rthdr *dp; |
| 47 | register const struct ip6_rthdr0 *dp0; |
| 48 | register const u_char *ep; |
| 49 | int i, len; |
| 50 | register const struct in6_addr *addr; |
| 51 | |
| 52 | dp = (struct ip6_rthdr *)bp; |
| 53 | len = dp->ip6r_len; |
| 54 | |
| 55 | /* 'ep' points to the end of available data. */ |
| 56 | ep = snapend; |
| 57 | |
| 58 | TCHECK(dp->ip6r_segleft); |
| 59 | |
| 60 | printf("srcrt (len=%d", dp->ip6r_len); /*)*/ |
| 61 | printf(", type=%d", dp->ip6r_type); |
| 62 | printf(", segleft=%d", dp->ip6r_segleft); |
| 63 | |
| 64 | switch (dp->ip6r_type) { |
| 65 | #ifndef IPV6_RTHDR_TYPE_0 |
| 66 | #define IPV6_RTHDR_TYPE_0 0 |
| 67 | #endif |
| 68 | #ifndef IPV6_RTHDR_TYPE_2 |
| 69 | #define IPV6_RTHDR_TYPE_2 2 |
| 70 | #endif |
| 71 | case IPV6_RTHDR_TYPE_0: |
| 72 | case IPV6_RTHDR_TYPE_2: /* Mobile IPv6 ID-20 */ |
| 73 | dp0 = (struct ip6_rthdr0 *)dp; |
| 74 | |
| 75 | TCHECK(dp0->ip6r0_reserved); |
| 76 | if (dp0->ip6r0_reserved || vflag) { |
| 77 | printf(", rsv=0x%0x", |
| 78 | EXTRACT_32BITS(&dp0->ip6r0_reserved)); |
| 79 | } |
| 80 | |
| 81 | if (len % 2 == 1) |
| 82 | goto trunc; |
| 83 | len >>= 1; |
| 84 | addr = &dp0->ip6r0_addr[0]; |
| 85 | for (i = 0; i < len; i++) { |
| 86 | if ((u_char *)(addr + 1) > ep) |
| 87 | goto trunc; |
| 88 | |
| 89 | printf(", [%d]%s", i, ip6addr_string(addr)); |
| 90 | addr++; |
| 91 | } |
| 92 | /*(*/ |
| 93 | printf(") "); |
| 94 | return((dp0->ip6r0_len + 1) << 3); |
| 95 | break; |
| 96 | default: |
| 97 | goto trunc; |
| 98 | break; |
| 99 | } |
| 100 | |
| 101 | trunc: |
| 102 | fputs("[|srcrt]", stdout); |
| 103 | return -1; |
| 104 | } |
| 105 | #endif /* INET6 */ |