1 /* $OpenBSD: log.c,v 1.8 2006/03/16 19:32:46 deraadt Exp $ */ 2 /* $NetBSD: log.c,v 1.4 1994/12/24 17:56:28 cgd Exp $ */ 3 4 /*- 5 * SPDX-License-Identifier: BSD-3-Clause 6 * 7 * Copyright (c) 1983, 1993 8 * The Regents of the University of California. All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)log.c 8.1 (Berkeley) 6/6/93"; 41 static const char rcsid[] = "$OpenBSD: log.c,v 1.8 2006/03/16 19:32:46 deraadt Exp $"; 42 #endif 43 #endif /* not lint */ 44 45 #include "tip.h" 46 47 #ifdef ACULOG 48 static FILE *flog = NULL; 49 50 /* 51 * Log file maintenance routines 52 */ 53 void 54 logent(char *group, char *num, char *acu, char *message) 55 { 56 char *user, *timestamp; 57 struct passwd *pwd; 58 time_t t; 59 60 if (flog == NULL) 61 return; 62 if (flock(fileno(flog), LOCK_EX) < 0) { 63 perror("flock"); 64 return; 65 } 66 if ((user = getlogin()) == NOSTR) { 67 if ((pwd = getpwuid(getuid())) == NOPWD) 68 user = "???"; 69 else 70 user = pwd->pw_name; 71 } 72 t = time(0); 73 timestamp = ctime(&t); 74 timestamp[24] = '\0'; 75 fprintf(flog, "%s (%s) <%s, %s, %s> %s\n", 76 user, timestamp, group, 77 #ifdef PRISTINE 78 "", 79 #else 80 num, 81 #endif 82 acu, message); 83 (void) fflush(flog); 84 (void) flock(fileno(flog), LOCK_UN); 85 } 86 87 void 88 loginit(void) 89 { 90 flog = fopen(value(LOG), "a"); 91 if (flog == NULL) 92 fprintf(stderr, "can't open log file %s.\r\n", value(LOG)); 93 } 94 #endif 95