blob: a4f482d2e287fc3fabab717791df4c7db37997de [file] [log] [blame]
Ben Lindstrom855bf3a2002-06-06 20:27:55 +00001/*
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#include "includes.h"
Darren Tuckerea287062003-12-31 11:43:24 +110026RCSID("$OpenBSD: auth2-passwd.c,v 1.5 2003/12/31 00:24:50 dtucker Exp $");
Ben Lindstrom855bf3a2002-06-06 20:27:55 +000027
28#include "xmalloc.h"
29#include "packet.h"
30#include "log.h"
31#include "auth.h"
32#include "monitor_wrap.h"
33#include "servconf.h"
34
35/* import */
36extern ServerOptions options;
37
38static int
39userauth_passwd(Authctxt *authctxt)
40{
Darren Tuckerea287062003-12-31 11:43:24 +110041 char *password, *newpass;
Ben Lindstrom855bf3a2002-06-06 20:27:55 +000042 int authenticated = 0;
43 int change;
Darren Tuckerea287062003-12-31 11:43:24 +110044 u_int len, newlen;
45
Ben Lindstrom855bf3a2002-06-06 20:27:55 +000046 change = packet_get_char();
Darren Tuckerea287062003-12-31 11:43:24 +110047 password = packet_get_string(&len);
48 if (change) {
49 /* discard new password from packet */
50 newpass = packet_get_string(&newlen);
51 memset(newpass, 0, newlen);
52 xfree(newpass);
53 }
54 packet_check_eom();
55
Ben Lindstrom855bf3a2002-06-06 20:27:55 +000056 if (change)
Damien Miller996acd22003-04-09 20:59:48 +100057 logit("password change not supported");
Darren Tuckerea287062003-12-31 11:43:24 +110058 else if (PRIVSEP(auth_password(authctxt, password)) == 1
Ben Lindstrom855bf3a2002-06-06 20:27:55 +000059#ifdef HAVE_CYGWIN
Damien Millereab4bae2003-04-29 23:22:40 +100060 && check_nt_auth(1, authctxt->pw)
Ben Lindstrom855bf3a2002-06-06 20:27:55 +000061#endif
Damien Millereab4bae2003-04-29 23:22:40 +100062 )
Ben Lindstrom855bf3a2002-06-06 20:27:55 +000063 authenticated = 1;
64 memset(password, 0, len);
65 xfree(password);
66 return authenticated;
67}
68
69Authmethod method_passwd = {
70 "password",
71 userauth_passwd,
72 &options.password_authentication
73};