xref: /freebsd/usr.bin/tip/tip/log.c (revision fd45b686f9d92f583366c75b22c04c7ee49709c0)
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 "tip.h"
36 
37 #ifdef ACULOG
38 static	FILE *flog = NULL;
39 
40 /*
41  * Log file maintenance routines
42  */
43 void
44 logent(char *group, char *num, char *acu, char *message)
45 {
46 	char *user, *timestamp;
47 	struct passwd *pwd;
48 	time_t t;
49 
50 	if (flog == NULL)
51 		return;
52 	if (flock(fileno(flog), LOCK_EX) < 0) {
53 		perror("flock");
54 		return;
55 	}
56 	if ((user = getlogin()) == NOSTR) {
57 		if ((pwd = getpwuid(getuid())) == NOPWD)
58 			user = "???";
59 		else
60 			user = pwd->pw_name;
61 	}
62 	t = time(0);
63 	timestamp = ctime(&t);
64 	timestamp[24] = '\0';
65 	fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
66 		user, timestamp, group,
67 #ifdef PRISTINE
68 		"",
69 #else
70 		num,
71 #endif
72 		acu, message);
73 	(void) fflush(flog);
74 	(void) flock(fileno(flog), LOCK_UN);
75 }
76 
77 void
78 loginit(void)
79 {
80 	flog = fopen(value(LOG), "a");
81 	if (flog == NULL)
82 		fprintf(stderr, "can't open log file %s.\r\n", value(LOG));
83 }
84 #endif
85