The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2000, Richard Sharpe |
| 3 | * |
| 4 | * This software may be distributed either under the terms of the |
| 5 | * BSD-style licence that accompanies tcpdump or under the GNU GPL |
| 6 | * version 2 or later. |
| 7 | * |
| 8 | * print-beep.c |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #ifndef lint |
| 13 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 14 | "@(#) $Header: /tcpdump/master/tcpdump/print-beep.c,v 1.6 2003-11-16 09:36:13 guy Exp $"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 15 | #endif |
| 16 | |
| 17 | #ifdef HAVE_CONFIG_H |
| 18 | #include "config.h" |
| 19 | #endif |
| 20 | |
| 21 | #include <tcpdump-stdinc.h> |
| 22 | |
| 23 | #ifdef HAVE_MEMORY_H |
| 24 | #include <memory.h> |
| 25 | #endif |
| 26 | #include <stdio.h> |
| 27 | #include <stdlib.h> |
| 28 | #include <string.h> |
| 29 | |
| 30 | #include "interface.h" |
| 31 | #include "extract.h" |
| 32 | |
| 33 | /* Check for a string but not go beyond length |
| 34 | * Return TRUE on match, FALSE otherwise |
| 35 | * |
| 36 | * Looks at the first few chars up to tl1 ... |
| 37 | */ |
| 38 | |
| 39 | static int l_strnstart(const char *, u_int, const char *, u_int); |
| 40 | |
| 41 | static int |
| 42 | l_strnstart(const char *tstr1, u_int tl1, const char *str2, u_int l2) |
| 43 | { |
| 44 | |
| 45 | if (tl1 > l2) |
| 46 | return 0; |
| 47 | |
| 48 | return (strncmp(tstr1, str2, tl1) == 0 ? 1 : 0); |
| 49 | } |
| 50 | |
| 51 | void |
| 52 | beep_print(const u_char *bp, u_int length) |
| 53 | { |
| 54 | |
| 55 | if (l_strnstart("MSG", 4, (const char *)bp, length)) /* A REQuest */ |
| 56 | printf(" BEEP MSG"); |
| 57 | else if (l_strnstart("RPY ", 4, (const char *)bp, length)) |
| 58 | printf(" BEEP RPY"); |
| 59 | else if (l_strnstart("ERR ", 4, (const char *)bp, length)) |
| 60 | printf(" BEEP ERR"); |
| 61 | else if (l_strnstart("ANS ", 4, (const char *)bp, length)) |
| 62 | printf(" BEEP ANS"); |
| 63 | else if (l_strnstart("NUL ", 4, (const char *)bp, length)) |
| 64 | printf(" BEEP NUL"); |
| 65 | else if (l_strnstart("SEQ ", 4, (const char *)bp, length)) |
| 66 | printf(" BEEP SEQ"); |
| 67 | else if (l_strnstart("END", 4, (const char *)bp, length)) |
| 68 | printf(" BEEP END"); |
| 69 | else |
| 70 | printf(" BEEP (payload or undecoded)"); |
| 71 | } |