175115Sfenner/* 275115Sfenner * Copyright (c) 2000 Ben Smithurst <ben@scientia.demon.co.uk> 375115Sfenner * All rights reserved. 475115Sfenner * 575115Sfenner * Redistribution and use in source and binary forms, with or without 675115Sfenner * modification, are permitted provided that: (1) source code distributions 775115Sfenner * retain the above copyright notice and this paragraph in its entirety, (2) 875115Sfenner * distributions including binary code include the above copyright notice and 975115Sfenner * this paragraph in its entirety in the documentation or other materials 1075115Sfenner * provided with the distribution, and (3) all advertising materials mentioning 1175115Sfenner * features or use of this software display the following acknowledgement: 1275115Sfenner * ``This product includes software developed by the University of California, 1375115Sfenner * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 1475115Sfenner * the University nor the names of its contributors may be used to endorse 1575115Sfenner * or promote products derived from this software without specific prior 1675115Sfenner * written permission. 1775115Sfenner * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 1875115Sfenner * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 1975115Sfenner * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 2075115Sfenner */ 2175115Sfenner 2275115Sfenner#ifndef lint 23127668Sbmsstatic const char rcsid[] _U_ = 24190207Srpaulo "@(#) $Header: /tcpdump/master/tcpdump/print-timed.c,v 1.9 2003-11-16 09:36:40 guy Exp $"; 2575115Sfenner#endif 2675115Sfenner 2775115Sfenner#ifdef HAVE_CONFIG_H 2875115Sfenner#include "config.h" 2975115Sfenner#endif 3075115Sfenner 31127668Sbms#include <tcpdump-stdinc.h> 32127668Sbms 3375115Sfenner#include <stdio.h> 3475115Sfenner#include <string.h> 3575115Sfenner 3698524Sfenner#include "timed.h" 3775115Sfenner#include "interface.h" 38127668Sbms#include "extract.h" 3975115Sfenner 40127668Sbmsstatic const char *tsptype[TSPTYPENUMBER] = 4175115Sfenner { "ANY", "ADJTIME", "ACK", "MASTERREQ", "MASTERACK", "SETTIME", "MASTERUP", 4275115Sfenner "SLAVEUP", "ELECTION", "ACCEPT", "REFUSE", "CONFLICT", "RESOLVE", "QUIT", 4375115Sfenner "DATE", "DATEREQ", "DATEACK", "TRACEON", "TRACEOFF", "MSITE", "MSITEREQ", 4475115Sfenner "TEST", "SETDATE", "SETDATEREQ", "LOOP" }; 4575115Sfenner 4675115Sfennervoid 47127668Sbmstimed_print(register const u_char *bp) 4875115Sfenner{ 4975115Sfenner#define endof(x) ((u_char *)&(x) + sizeof (x)) 5075115Sfenner struct tsp *tsp = (struct tsp *)bp; 5175115Sfenner long sec, usec; 5275115Sfenner const u_char *end; 5375115Sfenner 5475115Sfenner if (endof(tsp->tsp_type) > snapend) { 5575115Sfenner fputs("[|timed]", stdout); 5675115Sfenner return; 5775115Sfenner } 5875115Sfenner if (tsp->tsp_type < TSPTYPENUMBER) 5975115Sfenner printf("TSP_%s", tsptype[tsp->tsp_type]); 6075115Sfenner else 6175115Sfenner printf("(tsp_type %#x)", tsp->tsp_type); 6275115Sfenner 6375115Sfenner if (endof(tsp->tsp_vers) > snapend) { 6475115Sfenner fputs(" [|timed]", stdout); 6575115Sfenner return; 6675115Sfenner } 6775115Sfenner printf(" vers %d", tsp->tsp_vers); 6875115Sfenner 6975115Sfenner if (endof(tsp->tsp_seq) > snapend) { 7075115Sfenner fputs(" [|timed]", stdout); 7175115Sfenner return; 7275115Sfenner } 7375115Sfenner printf(" seq %d", tsp->tsp_seq); 7475115Sfenner 7575115Sfenner if (tsp->tsp_type == TSP_LOOP) { 7675115Sfenner if (endof(tsp->tsp_hopcnt) > snapend) { 7775115Sfenner fputs(" [|timed]", stdout); 7875115Sfenner return; 7975115Sfenner } 8075115Sfenner printf(" hopcnt %d", tsp->tsp_hopcnt); 8175115Sfenner } else if (tsp->tsp_type == TSP_SETTIME || 8275115Sfenner tsp->tsp_type == TSP_ADJTIME || 8375115Sfenner tsp->tsp_type == TSP_SETDATE || 8475115Sfenner tsp->tsp_type == TSP_SETDATEREQ) { 8575115Sfenner if (endof(tsp->tsp_time) > snapend) { 8675115Sfenner fputs(" [|timed]", stdout); 8775115Sfenner return; 8875115Sfenner } 89127668Sbms sec = EXTRACT_32BITS(&tsp->tsp_time.tv_sec); 90127668Sbms usec = EXTRACT_32BITS(&tsp->tsp_time.tv_usec); 9175115Sfenner if (usec < 0) 9275115Sfenner /* corrupt, skip the rest of the packet */ 9375115Sfenner return; 9475115Sfenner fputs(" time ", stdout); 9575115Sfenner if (sec < 0 && usec != 0) { 9675115Sfenner sec++; 9775115Sfenner if (sec == 0) 9875115Sfenner fputc('-', stdout); 9975115Sfenner usec = 1000000 - usec; 10075115Sfenner } 10175115Sfenner printf("%ld.%06ld", sec, usec); 10275115Sfenner } 10375115Sfenner 10475115Sfenner end = memchr(tsp->tsp_name, '\0', snapend - (u_char *)tsp->tsp_name); 10575115Sfenner if (end == NULL) 10675115Sfenner fputs(" [|timed]", stdout); 10775115Sfenner else { 10875115Sfenner fputs(" name ", stdout); 10975115Sfenner fwrite(tsp->tsp_name, end - (u_char *)tsp->tsp_name, 1, stdout); 11075115Sfenner } 11175115Sfenner} 112