pam.php
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pam.php
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	<?php

	/**
	* PAM Password Driver
	*
	* @version 2.0
	* @author Aleksander Machniak
	*
	* Copyright (C) The Roundcube Dev Team
	*
	* 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 3 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, see http://www.gnu.org/licenses/.
	*/

	class rcube_pam_password
	{
	function save($currpass, $newpass, $username)
	{
	$error = '';

	if (extension_loaded('pam') \|\| extension_loaded('pam_auth')) {
	if (pam_auth($username, $currpass, $error, false)) {
	if (pam_chpass($username, $currpass, $newpass)) {
	return PASSWORD_SUCCESS;
	}
	}
	else {
	rcube::raise_error(array(
	'code' => 600,
	'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Password plugin: PAM authentication failed for user $username: $error"
	), true, false);
	}
	}
	else {
	rcube::raise_error(array(
	'code' => 600,
	'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Password plugin: PECL-PAM module not loaded"
	), true, false);
	}

	return PASSWORD_ERROR;
	}
	}