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<?php
/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
/**
* User authentication via samba (smbclient)
*
* @category Apps
* @package UserExternal
* @author Robin Appelman <icewind@owncloud.com>
* @license http://www.gnu.org/licenses/agpl AGPL
* @link http://github.com/owncloud/apps
*/
class OC_User_SMB extends \OCA\user_external\Base{
private $host;
const SMBCLIENT = 'smbclient -L';
const LOGINERROR = 'NT_STATUS_LOGON_FAILURE';
/**
* Create new samba authentication provider
*
* @param string $host Hostname or IP of windows machine
*/
public function __construct($host) {
parent::__construct($host);
$this->host=$host;
}
/**
* Check if the password is correct without logging in the user
*
* @param string $uid The username
* @param string $password The password
*
* @return true/false
*/
public function checkPassword($uid, $password) {
$uidEscaped=escapeshellarg($uid);
$password=escapeshellarg($password);
$result=array();
$command=self::SMBCLIENT.' '.escapeshellarg('//' . $this->host . '/dummy').' -U'.$uidEscaped.'%'.$password;
$lastline = exec($command, $output, $retval);
if ($retval === 127) {
OCP\Util::writeLog(
'user_external', 'ERROR: smbclient executable missing',
OCP\Util::ERROR
);
return false;
} else if (strpos($lastline, self::LOGINERROR) !== false) {
//normal login error
return false;
} else if (strpos($lastline, 'NT_STATUS_BAD_NETWORK_NAME') !== false) {
//login on minor error
goto login;
} else if ($retval != 0) {
//some other error
OCP\Util::writeLog(
'user_external', 'ERROR: smbclient error: ' . trim($lastline),
OCP\Util::ERROR
);
return false;
} else {
login:
$this->storeUser($uid);
return $uid;
}
}
}
|
