1/*
2 * Copyright (c) 2000 Markus Friedl.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24/*
25 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
26 * Use is subject to license terms.
27 */
28
29#include "includes.h"
30RCSID("$OpenBSD: auth2-passwd.c,v 1.2 2002/05/31 11:35:15 markus Exp $");
31
32#pragma ident	"%Z%%M%	%I%	%E% SMI"
33
34#include "xmalloc.h"
35#include "packet.h"
36#include "log.h"
37#include "auth.h"
38#include "servconf.h"
39
40/* import */
41extern ServerOptions options;
42
43static void
44userauth_passwd(Authctxt *authctxt)
45{
46	char *password;
47	int change;
48	u_int len;
49
50	if (!authctxt || !authctxt->method)
51		fatal("%s: missing context", __func__);
52
53	change = packet_get_char();
54	if (change)
55		log("password change not supported");
56	password = packet_get_string(&len);
57	packet_check_eom();
58	if (
59#ifdef HAVE_CYGWIN
60	    check_nt_auth(1, authctxt->pw) &&
61#endif
62	    auth_password(authctxt, password) == 1) {
63		authctxt->method->authenticated = 1;
64	}
65	memset(password, 0, len);
66	xfree(password);
67}
68
69Authmethod method_passwd = {
70	"password",
71	&options.password_authentication,
72	userauth_passwd,
73	NULL,		    /* no abandon function */
74	NULL, NULL,	    /* method data and hist data */
75	1,		    /* initial userauth */
76	0, 0, 0,	    /* counters */
77	0, 0, 0, 0, 0, 0    /* state */
78};
79