1 /* $OpenBSD: print-timed.c,v 1.4 2007/10/07 16:41:05 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Ben Smithurst <ben@scientia.demon.co.uk> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that: (1) source code distributions 9 * retain the above copyright notice and this paragraph in its entirety, (2) 10 * distributions including binary code include the above copyright notice and 11 * this paragraph in its entirety in the documentation or other materials 12 * provided with the distribution, and (3) all advertising materials mentioning 13 * features or use of this software display the following acknowledgement: 14 * ``This product includes software developed by the University of California, 15 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 16 * the University nor the names of its contributors may be used to endorse 17 * or promote products derived from this software without specific prior 18 * written permission. 19 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 20 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 22 * 23 * from tcpdump.org: 24 * Header: /tcpdump/master/tcpdump/print-timed.c,v 1.1 2000/10/06 05:35:37 guy Exp 25 * 26 */ 27 28 #ifndef lint 29 static const char rcsid[] = 30 "@(#) $Id: print-timed.c,v 1.4 2007/10/07 16:41:05 deraadt Exp $"; 31 #endif 32 33 #ifdef HAVE_CONFIG_H 34 #include "config.h" 35 #endif 36 37 #include <sys/param.h> 38 #include <sys/time.h> 39 40 #include <netinet/in.h> 41 42 #include <protocols/timed.h> 43 44 #include <stdio.h> 45 #include <string.h> 46 47 #include "interface.h" 48 #include "addrtoname.h" 49 #include "extract.h" /* must come after interface.h */ 50 51 static const char *tsptype[TSPTYPENUMBER] = 52 { "ANY", "ADJTIME", "ACK", "MASTERREQ", "MASTERACK", "SETTIME", "MASTERUP", 53 "SLAVEUP", "ELECTION", "ACCEPT", "REFUSE", "CONFLICT", "RESOLVE", "QUIT", 54 "DATE", "DATEREQ", "DATEACK", "TRACEON", "TRACEOFF", "MSITE", "MSITEREQ", 55 "TEST", "SETDATE", "SETDATEREQ", "LOOP" }; 56 57 void 58 timed_print(register const u_char *bp, u_int length) 59 { 60 #define endof(x) ((u_char *)&(x) + sizeof (x)) 61 struct tsp *tsp = (struct tsp *)bp; 62 long sec, usec; 63 const u_char *end; 64 65 TCHECK(tsp->tsp_type); 66 if (tsp->tsp_type < TSPTYPENUMBER) 67 printf("TSP_%s", tsptype[tsp->tsp_type]); 68 else 69 printf("(tsp_type %#x)", tsp->tsp_type); 70 71 TCHECK(tsp->tsp_vers); 72 printf(" vers %d", tsp->tsp_vers); 73 74 TCHECK(tsp->tsp_seq); 75 printf(" seq %d", tsp->tsp_seq); 76 77 if (tsp->tsp_type == TSP_LOOP) { 78 TCHECK(tsp->tsp_hopcnt); 79 printf(" hopcnt %d", tsp->tsp_hopcnt); 80 } else if (tsp->tsp_type == TSP_SETTIME || 81 tsp->tsp_type == TSP_ADJTIME || 82 tsp->tsp_type == TSP_SETDATE || 83 tsp->tsp_type == TSP_SETDATEREQ) { 84 TCHECK(tsp->tsp_time); 85 sec = EXTRACT_32BITS(&tsp->tsp_time.tv_sec); 86 usec = EXTRACT_32BITS(&tsp->tsp_time.tv_usec); 87 if (usec < 0) 88 /* corrupt, skip the rest of the packet */ 89 return; 90 fputs(" time ", stdout); 91 if (sec < 0 && usec != 0) { 92 sec++; 93 if (sec == 0) 94 fputc('-', stdout); 95 usec = 1000000 - usec; 96 } 97 printf("%ld.%06ld", sec, usec); 98 } 99 100 end = endof(tsp->tsp_name) > snapend ? snapend : endof(tsp->tsp_name); 101 fputs(" name ", stdout); 102 if (fn_print(tsp->tsp_name, end)) 103 goto trunc; 104 return; 105 trunc: 106 fputs(" [|timed]", stdout); 107 } 108