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/*
* 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[] =
"@(#) $Header: /tcpdump/master/tcpdump/print-timed.c,v 1.3 2001/05/17 18:33:23 fenner Exp $";
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/param.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <stdio.h>
#include <string.h>
#include "timed.h"
#include "interface.h"
static 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, u_int length)
{
#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 = ntohl((long)tsp->tsp_time.tv_sec);
usec = ntohl((long)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);
}
}
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