115 lines
2.9 KiB
PHP
115 lines
2.9 KiB
PHP
<?php
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/**
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* Copyright 2000-2017 Horde LLC (http://www.horde.org/)
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*
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* See the enclosed file COPYING for license information (GPL). If you
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* did not receive this file, see http://www.horde.org/licenses/gpl.
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*
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* @category Horde
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* @copyright 2000-2017 Horde LLC
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* @license http://www.horde.org/licenses/gpl GPL
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* @package Passwd
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*/
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/**
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* Changes a password on a samba server.
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*
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* @author Rene Lund Jensen <Rene@lundjensen.net>
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* @category Horde
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* @copyright 2000-2017 Horde LLC
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* @license http://www.horde.org/licenses/gpl GPL
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* @package Passwd
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*/
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class Passwd_Driver_Smbpasswd extends Passwd_Driver
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{
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/**
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* Socket connection resource.
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*
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* @var resource
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*/
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protected $_fp;
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/**
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*/
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public function __construct(array $params = array())
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{
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parent::__construct(array_merge(array(
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'host' => 'localhost',
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'program' => '/usr/bin/smbpasswd'
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), $params));
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}
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/**
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* Connects a pipe to the sambaserver using the smbpasswd program.
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*
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* @param string $user The user to change the password for
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* @param string $tmpfile The name of a temporary file in which to write
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* output.
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*
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* @throws Passwd_Exception
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*/
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protected function _connect($user, $tmpfile)
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{
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if (!is_executable($this->_params['program'])) {
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throw new Passwd_Exception(_("Passwd is not properly configured."));
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}
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$cmd = sprintf(
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'%s -r %s -s -U "%s" > %s 2>&1',
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$this->_params['program'],
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$this->_params['host'],
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$user,
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$tmpfile
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);
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if (!($this->_fp = @popen($cmd, 'w'))) {
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throw new Passwd_Exception(_("Could not open pipe to smbpasswd."));
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}
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}
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/**
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* Disconnects the pipe to the sambaserver.
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*/
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protected function _disconnect()
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{
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@pclose($this->_fp);
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}
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/**
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* Sends a string to the waiting sambaserver.
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*
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* @param string $cmd The string to send to the server.
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*
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* @throws Passwd_Exception
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*/
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protected function _sendCommand($cmd)
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{
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if (fputs($this->_fp, $cmd . "\n") == -1) {
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throw new Passwd_Exception(_("Error sending data to smbpasswd."));
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}
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sleep(1);
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}
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/**
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*/
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protected function _changePassword($user, $oldpass, $newpass)
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{
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// Clean up user name in case evil characters are in it.
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$user = escapeshellcmd($user);
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$tmpfile = Horde::getTempFile('smbpasswd');
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$this->_connect($user, $tmpfile);
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$this->_sendCommand($oldpass);
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$this->_sendCommand($newpass);
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$this->_sendCommand($newpass);
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$this->_disconnect();
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$res = file($tmpfile);
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if (strstr($res[count($res) - 1], 'Password changed for user') === false) {
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throw new Passwd_Exception(strrchr(trim($res[count($res) - 2]), ':'));
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}
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}
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}
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