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"
30 RCSID("$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 */
41 extern ServerOptions options;
42
43 static void
userauth_passwd(Authctxt * authctxt)44 userauth_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
69 Authmethod 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