Handle login server error

src/Connection.php

@@ -8,8 +8,10 @@
 namespace Icewind\SMB;
 
 use Icewind\SMB\Exception\AuthenticationException;
+use Icewind\SMB\Exception\ConnectException;
 use Icewind\SMB\Exception\ConnectionException;
 use Icewind\SMB\Exception\InvalidHostException;
+use Icewind\SMB\Exception\NoLoginServerException;
 
 class Connection extends RawConnection {
 	const DELIMITER = 'smb:';
@@ -31,13 +33,16 @@ class Connection extends RawConnection {
 	 */
 	public function read() {
 		if (!$this->isValid()) {
-			throw new ConnectionException();
+			throw new ConnectionException('Connection not valied');
 		}
 		$line = $this->readLine(); //first line is prompt
 		$this->checkConnectionError($line);
 
 		$output = array();
 		$line = $this->readLine();
+		if ($line === false) {
+			throw new ConnectException('Unknown error');
+		}
 		$length = mb_strlen(self::DELIMITER);
 		while (mb_substr($line, 0, $length) !== self::DELIMITER) { //next prompt functions as delimiter
 			$output[] .= $line;
@@ -52,20 +57,24 @@ class Connection extends RawConnection {
 	 * @param $line
 	 * @throws AuthenticationException
 	 * @throws InvalidHostException
+	 * @throws NoLoginServerException
 	 */
 	private function checkConnectionError($line) {
 		$line = rtrim($line, ')');
 		if (substr($line, -23) === ErrorCodes::LogonFailure) {
-			throw new AuthenticationException();
+			throw new AuthenticationException('Invalid login');
 		}
 		if (substr($line, -26) === ErrorCodes::BadHostName) {
-			throw new InvalidHostException();
+			throw new InvalidHostException('Invalid hostname');
 		}
 		if (substr($line, -22) === ErrorCodes::Unsuccessful) {
-			throw new InvalidHostException();
+			throw new InvalidHostException('Connection unsuccessful');
 		}
 		if (substr($line, -28) === ErrorCodes::ConnectionRefused) {
-			throw new InvalidHostException();
+			throw new InvalidHostException('Connection refused');
+		}
+		if (substr($line, -26) === ErrorCodes::NoLogonServers) {
+			throw new NoLoginServerException('No login server');
 		}
 	}
 

src/ErrorCodes.php

@@ -15,6 +15,7 @@ class ErrorCodes {
 	const BadHostName = 'NT_STATUS_BAD_NETWORK_NAME';
 	const Unsuccessful = 'NT_STATUS_UNSUCCESSFUL';
 	const ConnectionRefused = 'NT_STATUS_CONNECTION_REFUSED';
+	const NoLogonServers =  'NT_STATUS_NO_LOGON_SERVERS';
 
 	const PathNotFound = 'NT_STATUS_OBJECT_PATH_NOT_FOUND';
 	const NoSuchFile = 'NT_STATUS_NO_SUCH_FILE';

src/Exception/NoLoginServerException.php

@@ -0,0 +1,10 @@
+<?php
+/**
+ * Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Licensed under the MIT license:
+ * http://opensource.org/licenses/MIT
+ */
+
+namespace Icewind\SMB\Exception;
+
+class NoLoginServerException extends ConnectException {}