A BSD authentication module for duress passwords
1/* $OpenBSD$ */
2/*-
3 * Copyright (c) 2001 Hans Insulander <hin@openbsd.org>.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#ifndef _COMMON_H_
29#define _COMMON_H_
30
31#include <sys/types.h>
32#include <sys/resource.h>
33
34#include <signal.h>
35#include <syslog.h>
36#include <stdlib.h>
37#include <unistd.h>
38#include <login_cap.h>
39#include <bsd_auth.h>
40#include <stdio.h>
41#include <stdarg.h>
42#include <string.h>
43#include <pwd.h>
44#include <err.h>
45#include <util.h>
46#include <limits.h>
47#include <readpassphrase.h>
48#include <paths.h>
49
50#define MODE_LOGIN 0
51#define MODE_CHALLENGE 1
52#define MODE_RESPONSE 2
53
54#define AUTH_OK 0
55#define AUTH_FAILED -1
56
57#define DURESS_FILE "/etc/duress"
58
59extern FILE *back;
60
61int pwd_login(char *, char *, char *, int, char *, struct passwd *);
62
63#endif /* !_COMMON_H_ */