1 /* $OpenBSD: print-timed.c,v 1.8 2020/01/24 22:46:37 procter 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 #ifdef HAVE_CONFIG_H 29 #include "config.h" 30 #endif 31 32 #include <sys/time.h> 33 34 #include <netinet/in.h> 35 36 #include <protocols/timed.h> 37 38 #include <stdio.h> 39 #include <string.h> 40 41 #include "interface.h" 42 #include "addrtoname.h" 43 #include "extract.h" /* must come after interface.h */ 44 45 static const char *tsptype[TSPTYPENUMBER] = 46 { "ANY", "ADJTIME", "ACK", "MASTERREQ", "MASTERACK", "SETTIME", "MASTERUP", 47 "SLAVEUP", "ELECTION", "ACCEPT", "REFUSE", "CONFLICT", "RESOLVE", "QUIT", 48 "DATE", "DATEREQ", "DATEACK", "TRACEON", "TRACEOFF", "MSITE", "MSITEREQ", 49 "TEST", "SETDATE", "SETDATEREQ", "LOOP" }; 50 51 void 52 timed_print(const u_char *bp, u_int length) 53 { 54 #define endof(x) ((u_char *)&(x) + sizeof (x)) 55 struct tsp *tsp = (struct tsp *)bp; 56 long sec, usec; 57 const u_char *end; 58 59 TCHECK(tsp->tsp_type); 60 if (tsp->tsp_type < TSPTYPENUMBER) 61 printf("TSP_%s", tsptype[tsp->tsp_type]); 62 else 63 printf("(tsp_type %#x)", tsp->tsp_type); 64 65 TCHECK(tsp->tsp_vers); 66 printf(" vers %d", tsp->tsp_vers); 67 68 TCHECK(tsp->tsp_seq); 69 printf(" seq %d", tsp->tsp_seq); 70 71 if (tsp->tsp_type == TSP_LOOP) { 72 TCHECK(tsp->tsp_hopcnt); 73 printf(" hopcnt %d", tsp->tsp_hopcnt); 74 } else if (tsp->tsp_type == TSP_SETTIME || 75 tsp->tsp_type == TSP_ADJTIME || 76 tsp->tsp_type == TSP_SETDATE || 77 tsp->tsp_type == TSP_SETDATEREQ) { 78 TCHECK(tsp->tsp_time); 79 sec = EXTRACT_32BITS(&tsp->tsp_time.tv_sec); 80 usec = EXTRACT_32BITS(&tsp->tsp_time.tv_usec); 81 if (usec < 0) 82 /* corrupt, skip the rest of the packet */ 83 return; 84 printf(" time "); 85 if (sec < 0 && usec != 0) { 86 sec++; 87 if (sec == 0) 88 fputc('-', stdout); 89 usec = 1000000 - usec; 90 } 91 printf("%ld.%06ld", sec, usec); 92 } 93 94 end = endof(tsp->tsp_name) > snapend ? snapend : endof(tsp->tsp_name); 95 printf(" name "); 96 if (fn_print(tsp->tsp_name, end)) 97 goto trunc; 98 return; 99 trunc: 100 printf(" [|timed]"); 101 } 102