The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2000 Ben Smithurst <ben@scientia.demon.co.uk> |
| 3 | * 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-timed.c,v 1.9 2003-11-16 09:36:40 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 | #include <tcpdump-stdinc.h> |
| 32 | |
| 33 | #include <stdio.h> |
| 34 | #include <string.h> |
| 35 | |
| 36 | #include "timed.h" |
| 37 | #include "interface.h" |
| 38 | #include "extract.h" |
| 39 | |
| 40 | static const char *tsptype[TSPTYPENUMBER] = |
| 41 | { "ANY", "ADJTIME", "ACK", "MASTERREQ", "MASTERACK", "SETTIME", "MASTERUP", |
| 42 | "SLAVEUP", "ELECTION", "ACCEPT", "REFUSE", "CONFLICT", "RESOLVE", "QUIT", |
| 43 | "DATE", "DATEREQ", "DATEACK", "TRACEON", "TRACEOFF", "MSITE", "MSITEREQ", |
| 44 | "TEST", "SETDATE", "SETDATEREQ", "LOOP" }; |
| 45 | |
| 46 | void |
| 47 | timed_print(register const u_char *bp) |
| 48 | { |
| 49 | #define endof(x) ((u_char *)&(x) + sizeof (x)) |
| 50 | struct tsp *tsp = (struct tsp *)bp; |
| 51 | long sec, usec; |
| 52 | const u_char *end; |
| 53 | |
| 54 | if (endof(tsp->tsp_type) > snapend) { |
| 55 | fputs("[|timed]", stdout); |
| 56 | return; |
| 57 | } |
| 58 | if (tsp->tsp_type < TSPTYPENUMBER) |
| 59 | printf("TSP_%s", tsptype[tsp->tsp_type]); |
| 60 | else |
| 61 | printf("(tsp_type %#x)", tsp->tsp_type); |
| 62 | |
| 63 | if (endof(tsp->tsp_vers) > snapend) { |
| 64 | fputs(" [|timed]", stdout); |
| 65 | return; |
| 66 | } |
| 67 | printf(" vers %d", tsp->tsp_vers); |
| 68 | |
| 69 | if (endof(tsp->tsp_seq) > snapend) { |
| 70 | fputs(" [|timed]", stdout); |
| 71 | return; |
| 72 | } |
| 73 | printf(" seq %d", tsp->tsp_seq); |
| 74 | |
| 75 | if (tsp->tsp_type == TSP_LOOP) { |
| 76 | if (endof(tsp->tsp_hopcnt) > snapend) { |
| 77 | fputs(" [|timed]", stdout); |
| 78 | return; |
| 79 | } |
| 80 | printf(" hopcnt %d", tsp->tsp_hopcnt); |
| 81 | } else if (tsp->tsp_type == TSP_SETTIME || |
| 82 | tsp->tsp_type == TSP_ADJTIME || |
| 83 | tsp->tsp_type == TSP_SETDATE || |
| 84 | tsp->tsp_type == TSP_SETDATEREQ) { |
| 85 | if (endof(tsp->tsp_time) > snapend) { |
| 86 | fputs(" [|timed]", stdout); |
| 87 | return; |
| 88 | } |
| 89 | sec = EXTRACT_32BITS(&tsp->tsp_time.tv_sec); |
| 90 | usec = EXTRACT_32BITS(&tsp->tsp_time.tv_usec); |
| 91 | if (usec < 0) |
| 92 | /* corrupt, skip the rest of the packet */ |
| 93 | return; |
| 94 | fputs(" time ", stdout); |
| 95 | if (sec < 0 && usec != 0) { |
| 96 | sec++; |
| 97 | if (sec == 0) |
| 98 | fputc('-', stdout); |
| 99 | usec = 1000000 - usec; |
| 100 | } |
| 101 | printf("%ld.%06ld", sec, usec); |
| 102 | } |
| 103 | |
| 104 | end = memchr(tsp->tsp_name, '\0', snapend - (u_char *)tsp->tsp_name); |
| 105 | if (end == NULL) |
| 106 | fputs(" [|timed]", stdout); |
| 107 | else { |
| 108 | fputs(" name ", stdout); |
| 109 | fwrite(tsp->tsp_name, end - (u_char *)tsp->tsp_name, 1, stdout); |
| 110 | } |
| 111 | } |