opieextra.c revision 84216 
1/*
2 * This file contains routines modified from OpenBSD. Parts are contributed
3 * by Todd Miller <millert@openbsd.org>, Theo De Raadt <deraadt@openbsd.org>
4 * and possibly others.
5 */
6
7#include <sys/cdefs.h>
8__FBSDID("$FreeBSD: head/lib/libopie/opieextra.c 84216 2001-09-30 22:04:49Z dillon $");
9
10#include <stdio.h>
11#include <opie.h>
12
13/*
14 * opie_haopie()
15 *
16 * Returns: 1 user doesnt exist, -1 file error, 0 user exists.
17 *
18 */
19int
20opie_haskey(username)
21char *username;
22{
23	struct opie opie;
24
25	return opielookup(&opie, username);
26}
27
28/*
29 * opie_keyinfo()
30 *
31 * Returns the current sequence number and
32 * seed for the passed user.
33 *
34 */
35char *
36opie_keyinfo(username)
37char *username;
38{
39	int i;
40	static char str[OPIE_CHALLENGE_MAX];
41	struct opie opie;
42
43	i = opiechallenge(&opie, username, str);
44	if (i == -1)
45		return(0);
46
47	return(str);
48}
49
50/*
51 * opie_passverify()
52 *
53 * Check to see if answer is the correct one to the current
54 * challenge.
55 *
56 * Returns: 0 success, -1 failure
57 *
58 */
59int
60opie_passverify(username, passwd)
61char *username;
62char *passwd;
63{
64	int i;
65	struct opie opie;
66
67	i = opielookup(&opie, username);
68	if (i == -1 || i == 1)
69		return(-1);
70
71	if (opieverify(&opie, passwd) == 0)
72		return(opie.opie_n);
73
74	return(-1);
75}
76
77#define OPIE_HASH_DEFAULT	1
78
79/* Current hash type (index into opie_hash_types array) */
80static int opie_hash_type = OPIE_HASH_DEFAULT;
81
82struct opie_algorithm_table {
83	const char *name;
84};
85
86static struct opie_algorithm_table opie_algorithm_table[] = {
87	"md4", "md5"
88};
89
90/* Get current hash type */
91const char *
92opie_get_algorithm()
93{
94	return(opie_algorithm_table[opie_hash_type].name);
95}
96
97
98