xref: /freebsd/usr.bin/tip/tip/log.c (revision c98323078dede7579020518ec84cdcb478e5c142)
1 /*	$OpenBSD: log.c,v 1.5 2001/09/09 19:30:49 millert Exp $	*/
2 /*	$NetBSD: log.c,v 1.4 1994/12/24 17:56:28 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1983, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
39 
40 #ifndef lint
41 #if 0
42 static char sccsid[] = "@(#)log.c	8.1 (Berkeley) 6/6/93";
43 static char rcsid[] = "$OpenBSD: log.c,v 1.5 2001/09/09 19:30:49 millert Exp $";
44 #endif
45 #endif /* not lint */
46 
47 #include "tip.h"
48 
49 #ifdef ACULOG
50 static	FILE *flog = NULL;
51 
52 /*
53  * Log file maintenance routines
54  */
55 void
56 logent(group, num, acu, message)
57 	char *group;
58 	const char *num, *acu, *message;
59 {
60 	char *user, *timestamp;
61 	struct passwd *pwd;
62 	time_t t;
63 
64 	if (flog == NULL)
65 		return;
66 	if (flock(fileno(flog), LOCK_EX) < 0) {
67 		perror("flock");
68 		return;
69 	}
70 	if ((user = getlogin()) == NOSTR) {
71 		if ((pwd = getpwuid(getuid())) == NOPWD)
72 			user = "???";
73 		else
74 			user = pwd->pw_name;
75 	}
76 	t = time(0);
77 	timestamp = ctime(&t);
78 	timestamp[24] = '\0';
79 	fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
80 		user, timestamp, group,
81 #ifdef PRISTINE
82 		"",
83 #else
84 		num,
85 #endif
86 		acu, message);
87 	(void) fflush(flog);
88 	(void) flock(fileno(flog), LOCK_UN);
89 }
90 
91 void
92 loginit()
93 {
94 	flog = fopen(value(LOG), "a");
95 	if (flog == NULL)
96 		fprintf(stderr, "can't open log file %s.\r\n", value(LOG));
97 }
98 #endif
99