smb user backend

lib/smb.php

@@ -0,0 +1,43 @@
+<?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.
+ */
+
+class OC_User_SMB extends OC_User_Backend{
+	private $host;
+
+	const smbclient='smbclient';
+	const loginError='NT_STATUS_LOGON_FAILURE';
+	
+	public function __construct($host){
+		$this->host=$host;
+	}
+	
+	/**
+	 * @brief Check if the password is correct
+	 * @param $uid The username
+	 * @param $password The password
+	 * @returns true/false
+	 *
+	 * Check if the password is correct without logging in the user
+	 */
+	public function checkPassword($uid, $password){
+		$uidEscaped=escapeshellarg($uid);
+		$password=escapeshellarg($password);
+		$result=array();
+		$command=self::smbclient.' //'.$this->host.'/dummy -U'.$uidEscaped.'%'.$password;
+		$result=exec($command,$result);
+		if(substr($result,-strlen(self::loginError))==self::loginError){
+			return false;
+		}else{
+			return $uid;
+		}
+	}
+	
+	public function userExists($uid){
+		return true;
+	}
+}