1 <?php
2 /*
3 * This code is part of GOsa (http://www.gosa-project.org)
4 * Copyright (C) 2003-2008 GONICUS GmbH
5 *
6 * ID: $$Id$$
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
23 class passwordMethodssha extends passwordMethod
24 {
25 function passwordMethodssha($config)
26 {
27 }
29 function is_available()
30 {
31 if(function_exists("sha1")){
32 return true;
33 }elseif(function_exists("mhash")){
34 return true;
35 }else{
36 return false;
37 }
38 }
40 function generate_hash($pwd)
41 {
42 if (function_exists("sha1")) {
43 $salt= substr(pack("h*", md5(mt_rand())), 0, 8);
44 $salt= substr(pack("H*", sha1($salt.$pwd)), 0, 4);
45 $pwd= "{SSHA}".base64_encode(pack("H*", sha1($pwd.$salt)).$salt);
46 return $pwd;
47 } elseif(function_exists("mhash")) {
48 $salt=mhash_keygen_s2k(MHASH_SHA1,$pwd, substr(pack("h*",md5(mt_rand())),0,8),4);
49 $pwd= "{SSHA}".base64_encode(mhash(MHASH_SHA1, $pwd.$salt).$salt);
50 } else {
51 msg_dialog::display(_("Configuration error"), msgPool::missingext("mhash"), ERROR_DIALOG);
52 return(false);
53 }
54 return $pwd;
55 }
58 function get_hash_name()
59 {
60 return "ssha";
61 }
63 }
65 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
66 ?>