move backends into their own namespace and add support for multiple auth methods

src/IAuth.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * @copyright Copyright (c) 2018 Robin Appelman <robin@icewind.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Icewind\SMB;
+
+interface IAuth {
+	/**
+	 * @return string|null
+	 */
+	public function getUsername();
+
+	/**
+	 * @return string|null
+	 */
+	public function getWorkgroup();
+
+	/**
+	 * @return string|null
+	 */
+	public function getPassword();
+
+	/**
+	 * Any extra command line option for smbclient that are required
+	 *
+	 * @return string
+	 */
+	public function getExtraCommandLineArguments();
+
+	/**
+	 * Set any extra options for libsmbclient that are required
+	 *
+	 * @param resource $smbClientState
+	 */
+	public function setExtraSmbClientOptions($smbClientState);
+}