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<?php
/*
* This code is part of GOsa (http://www.gosa-project.org)
* Copyright (C) 2003-2008 GONICUS GmbH
*
* ID: $$Id: class_password-methods-ssha.inc 15380 2010-01-27 14:03:19Z cajus $$
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
class passwordMethodssha extends passwordMethod
{
function __construct($config)
{
}
function is_available()
{
if(function_exists("sha1")){
return true;
}elseif(function_exists("mhash")){
return true;
}else{
return false;
}
}
function generate_hash($pwd)
{
if (function_exists("sha1")) {
$salt= substr(pack("h*", md5(mt_rand())), 0, 8);
$salt= substr(pack("H*", sha1($salt.$pwd)), 0, 4);
$pwd= "{SSHA}".base64_encode(pack("H*", sha1($pwd.$salt)).$salt);
return $pwd;
} elseif(function_exists("mhash")) {
$salt=mhash_keygen_s2k(MHASH_SHA1,$pwd, substr(pack("h*",md5(mt_rand())),0,8),4);
$pwd= "{SSHA}".base64_encode(mhash(MHASH_SHA1, $pwd.$salt).$salt);
} else {
msg_dialog::display(_("Configuration error"), msgPool::missingext("mhash"), ERROR_DIALOG);
return(false);
}
return $pwd;
}
function get_hash_name()
{
return "ssha";
}
}
// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>
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