xref: /freebsd/usr.bin/tip/tip/log.c (revision d0b2dbfa)
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 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)log.c	8.1 (Berkeley) 6/6/93";
39 static const char rcsid[] = "$OpenBSD: log.c,v 1.8 2006/03/16 19:32:46 deraadt Exp $";
40 #endif
41 #endif /* not lint */
42 
43 #include "tip.h"
44 
45 #ifdef ACULOG
46 static	FILE *flog = NULL;
47 
48 /*
49  * Log file maintenance routines
50  */
51 void
52 logent(char *group, char *num, char *acu, char *message)
53 {
54 	char *user, *timestamp;
55 	struct passwd *pwd;
56 	time_t t;
57 
58 	if (flog == NULL)
59 		return;
60 	if (flock(fileno(flog), LOCK_EX) < 0) {
61 		perror("flock");
62 		return;
63 	}
64 	if ((user = getlogin()) == NOSTR) {
65 		if ((pwd = getpwuid(getuid())) == NOPWD)
66 			user = "???";
67 		else
68 			user = pwd->pw_name;
69 	}
70 	t = time(0);
71 	timestamp = ctime(&t);
72 	timestamp[24] = '\0';
73 	fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
74 		user, timestamp, group,
75 #ifdef PRISTINE
76 		"",
77 #else
78 		num,
79 #endif
80 		acu, message);
81 	(void) fflush(flog);
82 	(void) flock(fileno(flog), LOCK_UN);
83 }
84 
85 void
86 loginit(void)
87 {
88 	flog = fopen(value(LOG), "a");
89 	if (flog == NULL)
90 		fprintf(stderr, "can't open log file %s.\r\n", value(LOG));
91 }
92 #endif
93