1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)log.c 8.1 (Berkeley) 6/6/93 30 * $FreeBSD: src/usr.bin/tip/tip/log.c,v 1.4 1999/08/28 01:06:34 peter Exp $ 31 */ 32 33 #include "tip.h" 34 #include <err.h> 35 36 static FILE *flog = NULL; 37 38 /* 39 * Log file maintenance routines 40 */ 41 42 void 43 logent(char *group, char *num, char *acu, char *message) 44 { 45 char *user, *timestamp; 46 struct passwd *pwd; 47 time_t t; 48 49 if (flog == NULL) 50 return; 51 if (flock(fileno(flog), LOCK_EX) < 0) { 52 warn("flock"); 53 return; 54 } 55 if ((user = getlogin()) == NULL) { 56 if ((pwd = getpwuid(getuid())) == NULL) 57 user = "???"; 58 else 59 user = pwd->pw_name; 60 } 61 t = time(0); 62 timestamp = ctime(&t); 63 timestamp[24] = '\0'; 64 fprintf(flog, "%s (%s) <%s, %s, %s> %s\n", 65 user, timestamp, group, "", acu, message); 66 (void) fflush(flog); 67 (void) flock(fileno(flog), LOCK_UN); 68 } 69 70 void 71 loginit(void) 72 { 73 flog = fopen(value(LOG), "a"); 74 if (flog == NULL) 75 fprintf(stderr, "can't open log file %s.\r\n", value(LOG)); 76 } 77