xref: /freebsd/lib/libutil/auth.c (revision 69761016be942dc4c291e264d32b49f997644539)
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  * $Id*
32  *
33  */
34 
35 #include <stdio.h>
36 #include <syslog.h>
37 #include <sys/types.h>
38 #include <libutil.h>
39 
40 static properties P;
41 
42 static int
43 initauthconf(const char *path)
44 {
45     FILE *fp;
46 
47     if (!P) {
48 	if ((fp = fopen(path, "r")) == NULL) {
49 	    syslog(LOG_ERR, "initauthconf: unable to open file: %s", path);
50 	    return 1;
51 	}
52 	P = properties_read(fp);
53 	fclose(fp);
54 	if (!P) {
55 	    syslog(LOG_ERR, "initauthconf: unable to parse file: %s", path);
56 	    return 1;
57 	}
58     }
59     return 0;
60 }
61 
62 char *
63 auth_getval(const char *name)
64 {
65     if (!P && initauthconf(_PATH_AUTHCONF))
66 	return NULL;
67     else
68 	return property_find(P, name);
69 }
70