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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)log.c 8.1 (Berkeley) 6/6/93 34 * $FreeBSD: src/usr.bin/tip/tip/log.c,v 1.4 1999/08/28 01:06:34 peter Exp $ 35 */ 36 37 #include "tip.h" 38 #include <err.h> 39 40 static FILE *flog = NULL; 41 42 /* 43 * Log file maintenance routines 44 */ 45 46 void 47 logent(char *group, char *num, char *acu, char *message) 48 { 49 char *user, *timestamp; 50 struct passwd *pwd; 51 time_t t; 52 53 if (flog == NULL) 54 return; 55 if (flock(fileno(flog), LOCK_EX) < 0) { 56 warn("flock"); 57 return; 58 } 59 if ((user = getlogin()) == NULL) { 60 if ((pwd = getpwuid(getuid())) == NULL) 61 user = "???"; 62 else 63 user = pwd->pw_name; 64 } 65 t = time(0); 66 timestamp = ctime(&t); 67 timestamp[24] = '\0'; 68 fprintf(flog, "%s (%s) <%s, %s, %s> %s\n", 69 user, timestamp, group, "", acu, message); 70 (void) fflush(flog); 71 (void) flock(fileno(flog), LOCK_UN); 72 } 73 74 void 75 loginit(void) 76 { 77 flog = fopen(value(LOG), "a"); 78 if (flog == NULL) 79 fprintf(stderr, "can't open log file %s.\r\n", value(LOG)); 80 } 81