112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
/*
|
|
* 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);
|
|
}
|
|
}
|