opieextra.c revision 60572 
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 * $FreeBSD: head/lib/libopie/opieextra.c 60572 2000-05-15 04:20:54Z kris $
7 */
8
9#include <stdio.h>
10#include <opie.h>
11
12/*
13 * opie_haopie()
14 *
15 * Returns: 1 user doesnt exist, -1 file error, 0 user exists.
16 *
17 */
18int
19opie_haskey(username)
20char *username;
21{
22	struct opie opie;
23
24	return opielookup(&opie, username);
25}
26
27/*
28 * opie_keyinfo()
29 *
30 * Returns the current sequence number and
31 * seed for the passed user.
32 *
33 */
34char *
35opie_keyinfo(username)
36char *username;
37{
38	int i;
39	static char str[OPIE_CHALLENGE_MAX];
40	struct opie opie;
41
42	i = opiechallenge(&opie, username, str);
43	if (i == -1)
44		return(0);
45
46	return(str);
47}
48
49/*
50 * opie_passverify()
51 *
52 * Check to see if answer is the correct one to the current
53 * challenge.
54 *
55 * Returns: 0 success, -1 failure
56 *
57 */
58int
59opie_passverify(username, passwd)
60char *username;
61char *passwd;
62{
63	int i;
64	struct opie opie;
65
66	i = opielookup(&opie, username);
67	if (i == -1 || i == 1)
68		return(-1);
69
70	if (opieverify(&opie, passwd) == 0)
71		return(opie.opie_n);
72
73	return(-1);
74}
75
76#define OPIE_HASH_DEFAULT	1
77
78/* Current hash type (index into opie_hash_types array) */
79static int opie_hash_type = OPIE_HASH_DEFAULT;
80
81struct opie_algorithm_table {
82	const char *name;
83};
84
85static struct opie_algorithm_table opie_algorithm_table[] = {
86	"md4", "md5"
87};
88
89/* Get current hash type */
90const char *
91opie_get_algorithm()
92{
93	return(opie_algorithm_table[opie_hash_type].name);
94}
95
96
97