xref: /freebsd/usr.bin/tip/tip/log.c (revision e627b39baccd1ec9129690167cf5e6d860509655)
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 
34 #ifndef lint
35 static char sccsid[] = "@(#)log.c	8.1 (Berkeley) 6/6/93";
36 #endif /* not lint */
37 
38 #include "tipconf.h"
39 #include "tip.h"
40 
41 #if ACULOG
42 static	FILE *flog = NULL;
43 
44 /*
45  * Log file maintenance routines
46  */
47 
48 logent(group, num, acu, message)
49 	char *group, *num, *acu, *message;
50 {
51 	char *user, *timestamp;
52 	struct passwd *pwd;
53 	long t;
54 
55 	if (flog == NULL)
56 		return;
57 	if (flock(fileno(flog), LOCK_EX) < 0) {
58 		perror("tip: flock");
59 		return;
60 	}
61 	if ((user = getlogin()) == NOSTR)
62 		if ((pwd = getpwuid(getuid())) == NOPWD)
63 			user = "???";
64 		else
65 			user = pwd->pw_name;
66 	t = time(0);
67 	timestamp = ctime(&t);
68 	timestamp[24] = '\0';
69 	fprintf(flog, "%s (%s) <%s, %s, %s> %s\n",
70 		user, timestamp, group,
71 #if PRISTINE
72 		"",
73 #else
74 		num,
75 #endif
76 		acu, message);
77 	(void) fflush(flog);
78 	(void) flock(fileno(flog), LOCK_UN);
79 }
80 
81 loginit()
82 {
83 	flog = fopen(value(LOG), "a");
84 	if (flog == NULL)
85 		fprintf(stderr, "can't open log file %s.\r\n", value(LOG));
86 }
87 #endif
88