xref: /dragonfly/lib/libutil/auth.c (revision 984263bc)
1 /*
2  *
3  * Simple authentication database handling code.
4  *
5  * Copyright (c) 1998
6  *	Jordan Hubbard.  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  *    verbatim and that no modifications are made prior to this
14  *    point in the file.
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  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR HIS PETS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * $FreeBSD: src/lib/libutil/auth.c,v 1.3.6.1 2001/03/05 06:29:52 kris Exp $
32  *
33  */
34 
35 #include <unistd.h>
36 #include <syslog.h>
37 #include <sys/types.h>
38 #include <paths.h>
39 #include <fcntl.h>
40 #include <libutil.h>
41 
42 static properties P;
43 
44 static int
45 initauthconf(const char *path)
46 {
47     int fd;
48 
49     if (!P) {
50 	if ((fd = open(path, O_RDONLY)) < 0) {
51 	    syslog(LOG_ERR, "initauthconf: unable to open file: %s", path);
52 	    return 1;
53 	}
54 	P = properties_read(fd);
55 	close(fd);
56 	if (!P) {
57 	    syslog(LOG_ERR, "initauthconf: unable to parse file: %s", path);
58 	    return 1;
59 	}
60     }
61     return 0;
62 }
63 
64 char *
65 auth_getval(const char *name)
66 {
67     if (!P && initauthconf(_PATH_AUTHCONF))
68 	return NULL;
69     else
70 	return property_find(P, name);
71 }
72