add support for anonymous auth

README.md

@@ -35,6 +35,14 @@ $share = $server->getShare('test');
 The server factory will automatically pick between the `smbclient` and `libsmbclient-php`
 based backend depending on what is available.
 
+### Using anonymous authentication ### 
+
+```php
+$serverFactory = new ServerFactory();
+$auth = new AnonymousAuth();
+$server = $serverFactory->createServer('localhost', $auth);
+```
+
 ### Using kerberos authentication ###
 
 ```php

src/AnonymousAuth.php

@@ -0,0 +1,45 @@
+<?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;
+
+
+class AnonymousAuth implements IAuth {
+	public function getUsername() {
+		return null;
+	}
+
+	public function getWorkgroup() {
+		return 'dummy';
+	}
+
+	public function getPassword() {
+		return null;
+	}
+
+	public function getExtraCommandLineArguments() {
+		return '-N';
+	}
+
+	public function setExtraSmbClientOptions($smbClientState) {
+		smbclient_option_set($smbClientState, SMBCLIENT_OPT_AUTO_ANONYMOUS_LOGIN, true);
+	}
+}

src/Wrapped/RawConnection.php

@@ -128,7 +128,7 @@ class RawConnection {
 	 * @return array
 	 */
 	public function readAll() {
-		$output = array();
+		$output = [];
 		while ($line = $this->readLine()) {
 			$output[] = $line;
 		}

src/Wrapped/Server.php

@@ -56,7 +56,7 @@ class Server extends AbstractServer {
 		}
 		$output = $connection->readAll();
 		// sometimes we get an empty line first
-		if (count($output) === 0) {
+		if (count($output) < 2) {
 			$output = $connection->readAll();
 		}
 		$parser = new Parser($this->timezoneProvider);