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<?php
/*
This code is part of FusionDirectory (http://www.fusiondirectory.org/)
Copyright (C) 2003-2010 Cajus Pollmeier
Copyright (C) 2011-2013 FusionDirectory
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*!
* \file class_password-methods-ssha.inc
* Source code for class passwordMethodssha
*/
/*!
* \brief This class contains all the functions for ssha password methods
* \see passwordMethod
*/
class passwordMethodssha extends passwordMethod
{
/*!
* \brief passwordMethodssha Constructor
*
* \param string $config
*/
function __construct($config)
{
}
/*!
* \brief Is available
*
* \return TRUE if is avaibable, otherwise return false
*/
function is_available()
{
if (function_exists("sha1")) {
return TRUE;
} elseif (function_exists("mhash")) {
return TRUE;
} else {
return FALSE;
}
}
/*!
* \brief Generate template hash
*
* \param string $pwd Password
*/
function generate_hash($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;
}
/*!
* \brief Get the hash name
*/
static function get_hash_name()
{
return "ssha";
}
}
?>
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