The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* $NetBSD: print-ah.c,v 1.4 1996/05/20 00:41:16 fvdl Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that: (1) source code distributions |
| 9 | * retain the above copyright notice and this paragraph in its entirety, (2) |
| 10 | * distributions including binary code include the above copyright notice and |
| 11 | * this paragraph in its entirety in the documentation or other materials |
| 12 | * provided with the distribution, and (3) all advertising materials mentioning |
| 13 | * features or use of this software display the following acknowledgement: |
| 14 | * ``This product includes software developed by the University of California, |
| 15 | * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| 16 | * the University nor the names of its contributors may be used to endorse |
| 17 | * or promote products derived from this software without specific prior |
| 18 | * written permission. |
| 19 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| 20 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| 21 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 22 | */ |
| 23 | |
| 24 | #ifndef lint |
| 25 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 26 | "@(#) $Header: /tcpdump/master/tcpdump/print-ah.c,v 1.22 2003-11-19 00:36:06 guy Exp $ (LBL)"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 27 | #endif |
| 28 | |
| 29 | #ifdef HAVE_CONFIG_H |
| 30 | #include "config.h" |
| 31 | #endif |
| 32 | |
| 33 | #include <tcpdump-stdinc.h> |
| 34 | |
| 35 | #include <stdio.h> |
| 36 | |
| 37 | #include "ah.h" |
| 38 | |
| 39 | #include "interface.h" |
| 40 | #include "addrtoname.h" |
| 41 | #include "extract.h" |
| 42 | |
| 43 | int |
| 44 | ah_print(register const u_char *bp) |
| 45 | { |
| 46 | register const struct ah *ah; |
| 47 | register const u_char *ep; |
| 48 | int sumlen; |
| 49 | u_int32_t spi; |
| 50 | |
| 51 | ah = (const struct ah *)bp; |
| 52 | ep = snapend; /* 'ep' points to the end of available data. */ |
| 53 | |
| 54 | TCHECK(*ah); |
| 55 | |
| 56 | sumlen = ah->ah_len << 2; |
| 57 | spi = EXTRACT_32BITS(&ah->ah_spi); |
| 58 | |
| 59 | printf("AH(spi=0x%08x", spi); |
| 60 | if (vflag) |
| 61 | printf(",sumlen=%d", sumlen); |
| 62 | printf(",seq=0x%x", EXTRACT_32BITS(ah + 1)); |
| 63 | if (bp + sizeof(struct ah) + sumlen > ep) |
| 64 | fputs("[truncated]", stdout); |
| 65 | fputs("): ", stdout); |
| 66 | |
| 67 | return sizeof(struct ah) + sumlen; |
| 68 | trunc: |
| 69 | fputs("[|AH]", stdout); |
| 70 | return -1; |
| 71 | } |