| /* |
| * Copyright (c) 2000 Ben Smithurst <ben@scientia.demon.co.uk> |
| * 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-timed.c,v 1.9 2003-11-16 09:36:40 guy Exp $"; |
| #endif |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include <tcpdump-stdinc.h> |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "timed.h" |
| #include "interface.h" |
| #include "extract.h" |
| |
| static const char *tsptype[TSPTYPENUMBER] = |
| { "ANY", "ADJTIME", "ACK", "MASTERREQ", "MASTERACK", "SETTIME", "MASTERUP", |
| "SLAVEUP", "ELECTION", "ACCEPT", "REFUSE", "CONFLICT", "RESOLVE", "QUIT", |
| "DATE", "DATEREQ", "DATEACK", "TRACEON", "TRACEOFF", "MSITE", "MSITEREQ", |
| "TEST", "SETDATE", "SETDATEREQ", "LOOP" }; |
| |
| void |
| timed_print(register const u_char *bp) |
| { |
| #define endof(x) ((u_char *)&(x) + sizeof (x)) |
| struct tsp *tsp = (struct tsp *)bp; |
| long sec, usec; |
| const u_char *end; |
| |
| if (endof(tsp->tsp_type) > snapend) { |
| fputs("[|timed]", stdout); |
| return; |
| } |
| if (tsp->tsp_type < TSPTYPENUMBER) |
| printf("TSP_%s", tsptype[tsp->tsp_type]); |
| else |
| printf("(tsp_type %#x)", tsp->tsp_type); |
| |
| if (endof(tsp->tsp_vers) > snapend) { |
| fputs(" [|timed]", stdout); |
| return; |
| } |
| printf(" vers %d", tsp->tsp_vers); |
| |
| if (endof(tsp->tsp_seq) > snapend) { |
| fputs(" [|timed]", stdout); |
| return; |
| } |
| printf(" seq %d", tsp->tsp_seq); |
| |
| if (tsp->tsp_type == TSP_LOOP) { |
| if (endof(tsp->tsp_hopcnt) > snapend) { |
| fputs(" [|timed]", stdout); |
| return; |
| } |
| printf(" hopcnt %d", tsp->tsp_hopcnt); |
| } else if (tsp->tsp_type == TSP_SETTIME || |
| tsp->tsp_type == TSP_ADJTIME || |
| tsp->tsp_type == TSP_SETDATE || |
| tsp->tsp_type == TSP_SETDATEREQ) { |
| if (endof(tsp->tsp_time) > snapend) { |
| fputs(" [|timed]", stdout); |
| return; |
| } |
| sec = EXTRACT_32BITS(&tsp->tsp_time.tv_sec); |
| usec = EXTRACT_32BITS(&tsp->tsp_time.tv_usec); |
| if (usec < 0) |
| /* corrupt, skip the rest of the packet */ |
| return; |
| fputs(" time ", stdout); |
| if (sec < 0 && usec != 0) { |
| sec++; |
| if (sec == 0) |
| fputc('-', stdout); |
| usec = 1000000 - usec; |
| } |
| printf("%ld.%06ld", sec, usec); |
| } |
| |
| end = memchr(tsp->tsp_name, '\0', snapend - (u_char *)tsp->tsp_name); |
| if (end == NULL) |
| fputs(" [|timed]", stdout); |
| else { |
| fputs(" name ", stdout); |
| fwrite(tsp->tsp_name, end - (u_char *)tsp->tsp_name, 1, stdout); |
| } |
| } |