auth.c revision 69156 
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: head/lib/libutil/auth.c 69156 2000-11-25 09:10:55Z peter $
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
42static properties P;
43
44static int
45initauthconf(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
64char *
65auth_getval(const char *name)
66{
67    if (!P && initauthconf(_PATH_AUTHCONF))
68	return NULL;
69    else
70	return property_find(P, name);
71}
72