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

src/Native/NativeFileInfo.php

@@ -0,0 +1,144 @@
+<?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\Native;
+
+use Icewind\SMB\IFileInfo;
+
+class NativeFileInfo implements IFileInfo {
+	const MODE_FILE = 0100000;
+
+	/**
+	 * @var string
+	 */
+	protected $path;
+
+	/**
+	 * @var string
+	 */
+	protected $name;
+
+	/**
+	 * @var NativeShare
+	 */
+	protected $share;
+
+	/**
+	 * @var array|null
+	 */
+	protected $statCache;
+
+	/**
+	 * @var int
+	 */
+	protected $modeCache;
+
+	/**
+	 * @param NativeShare $share
+	 * @param string $path
+	 * @param string $name
+	 * @param array $stat
+	 */
+	public function __construct($share, $path, $name, $stat = null) {
+		$this->share = $share;
+		$this->path = $path;
+		$this->name = $name;
+		$this->statCache = $stat;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getPath() {
+		return $this->path;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getName() {
+		return $this->name;
+	}
+
+	/**
+	 * @return array
+	 */
+	protected function stat() {
+		if (is_null($this->statCache)) {
+			$this->statCache = $this->share->getStat($this->getPath());
+		}
+		return $this->statCache;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getSize() {
+		$stat = $this->stat();
+		return $stat['size'];
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getMTime() {
+		$stat = $this->stat();
+		return $stat['mtime'];
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function isDirectory() {
+		$stat = $this->stat();
+		return !($stat['mode'] & self::MODE_FILE);
+	}
+
+	/**
+	 * @return int
+	 */
+	protected function getMode() {
+		if (!$this->modeCache) {
+			$attribute = $this->share->getAttribute($this->path, 'system.dos_attr.mode');
+			// parse hex string
+			$this->modeCache = (int)hexdec(substr($attribute, 2));
+		}
+		return $this->modeCache;
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function isReadOnly() {
+		$mode = $this->getMode();
+		return (bool)($mode & IFileInfo::MODE_READONLY);
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function isHidden() {
+		$mode = $this->getMode();
+		return (bool)($mode & IFileInfo::MODE_HIDDEN);
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function isSystem() {
+		$mode = $this->getMode();
+		return (bool)($mode & IFileInfo::MODE_SYSTEM);
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function isArchived() {
+		$mode = $this->getMode();
+		return (bool)($mode & IFileInfo::MODE_ARCHIVE);
+	}
+}

src/Native/NativeReadStream.php

@@ -0,0 +1,101 @@
+<?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\Native;
+
+/**
+ * Stream optimized for read only usage
+ */
+class NativeReadStream extends NativeStream {
+	const CHUNK_SIZE = 1048576; // 1MB chunks
+	/**
+	 * @var resource
+	 */
+	private $readBuffer = null;
+
+	private $bufferSize = 0;
+
+	private $pos = 0;
+
+	public function stream_open($path, $mode, $options, &$opened_path) {
+		$this->readBuffer = fopen('php://memory', 'r+');
+
+		return parent::stream_open($path, $mode, $options, $opened_path);
+
+	}
+
+	/**
+	 * Wrap a stream from libsmbclient-php into a regular php stream
+	 *
+	 * @param \Icewind\SMB\NativeState $state
+	 * @param resource $smbStream
+	 * @param string $mode
+	 * @param string $url
+	 * @return resource
+	 */
+	public static function wrap($state, $smbStream, $mode, $url) {
+		stream_wrapper_register('nativesmb', NativeReadStream::class);
+		$context = stream_context_create(array(
+			'nativesmb' => array(
+				'state'  => $state,
+				'handle' => $smbStream,
+				'url'    => $url
+			)
+		));
+		$fh = fopen('nativesmb://', $mode, false, $context);
+		stream_wrapper_unregister('nativesmb');
+		return $fh;
+	}
+
+	public function stream_read($count) {
+		// php reads 8192 bytes at once
+		// however due to network latency etc, it's faster to read in larger chunks
+		// and buffer the result
+		if (!parent::stream_eof() && $this->bufferSize < $count) {
+			$remaining = $this->readBuffer;
+			$this->readBuffer = fopen('php://memory', 'r+');
+			$this->bufferSize = 0;
+			stream_copy_to_stream($remaining, $this->readBuffer);
+			$this->bufferSize += fwrite($this->readBuffer, parent::stream_read(self::CHUNK_SIZE));
+			fseek($this->readBuffer, 0);
+		}
+
+		$result = fread($this->readBuffer, $count);
+		$this->bufferSize -= $count;
+
+		$read = strlen($result);
+		$this->pos += $read;
+
+		return $result;
+	}
+
+	public function stream_seek($offset, $whence = SEEK_SET) {
+		$result = parent::stream_seek($offset, $whence);
+		if ($result) {
+			$this->readBuffer = fopen('php://memory', 'r+');
+			$this->bufferSize = 0;
+			$this->pos = parent::stream_tell();
+		}
+		return $result;
+	}
+
+	public function stream_eof() {
+		return $this->bufferSize <= 0 && parent::stream_eof();
+	}
+
+	public function stream_tell() {
+		return $this->pos;
+	}
+
+	public function stream_write($data) {
+		return false;
+	}
+
+	public function stream_truncate($size) {
+		return false;
+	}
+}

src/Native/NativeServer.php

@@ -0,0 +1,71 @@
+<?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\Native;
+
+use Icewind\SMB\AbstractServer;
+use Icewind\SMB\IAuth;
+use Icewind\SMB\System;
+use Icewind\SMB\TimeZoneProvider;
+
+class NativeServer extends AbstractServer {
+	/**
+	 * @var NativeState
+	 */
+	protected $state;
+
+	/**
+	 * @param string $host
+	 * @param IAuth $auth
+	 * @param System $system
+	 * @param TimeZoneProvider $timeZoneProvider
+	 */
+	public function __construct($host, IAuth $auth, System $system, TimeZoneProvider $timeZoneProvider) {
+		parent::__construct($host, $auth, $system, $timeZoneProvider);
+		$this->state = new NativeState();
+	}
+
+	protected function connect() {
+		$this->state->init($this->getAuth());
+	}
+
+	/**
+	 * @return \Icewind\SMB\IShare[]
+	 * @throws \Icewind\SMB\Exception\AuthenticationException
+	 * @throws \Icewind\SMB\Exception\InvalidHostException
+	 */
+	public function listShares() {
+		$this->connect();
+		$shares = array();
+		$dh = $this->state->opendir('smb://' . $this->getHost());
+		while ($share = $this->state->readdir($dh)) {
+			if ($share['type'] === 'file share') {
+				$shares[] = $this->getShare($share['name']);
+			}
+		}
+		$this->state->closedir($dh);
+		return $shares;
+	}
+
+	/**
+	 * @param string $name
+	 * @return \Icewind\SMB\IShare
+	 */
+	public function getShare($name) {
+		return new NativeShare($this, $name);
+	}
+
+	/**
+	 * Check if the smbclient php extension is available
+	 *
+	 * @param System $system
+	 * @return bool
+	 */
+	public static function available(System $system) {
+		return function_exists('smbclient_state_new');
+	}
+}

src/Native/NativeShare.php

@@ -0,0 +1,314 @@
+<?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\Native;
+
+use Icewind\SMB\AbstractShare;
+use Icewind\SMB\Exception\DependencyException;
+use Icewind\SMB\Exception\InvalidPathException;
+use Icewind\SMB\Exception\InvalidResourceException;
+use Icewind\SMB\INotifyHandler;
+use Icewind\SMB\IServer;
+use Icewind\SMB\Wrapped\Server;
+use Icewind\SMB\Wrapped\Share;
+
+class NativeShare extends AbstractShare {
+	/**
+	 * @var IServer $server
+	 */
+	private $server;
+
+	/**
+	 * @var string $name
+	 */
+	private $name;
+
+	/**
+	 * @var NativeState $state
+	 */
+	private $state;
+
+	/**
+	 * @param IServer $server
+	 * @param string $name
+	 */
+	public function __construct($server, $name) {
+		parent::__construct();
+		$this->server = $server;
+		$this->name = $name;
+	}
+
+	/**
+	 * @throws \Icewind\SMB\Exception\ConnectionException
+	 * @throws \Icewind\SMB\Exception\AuthenticationException
+	 * @throws \Icewind\SMB\Exception\InvalidHostException
+	 */
+	protected function getState() {
+		if ($this->state and $this->state instanceof NativeState) {
+			return $this->state;
+		}
+
+		$this->state = new NativeState();
+		$this->state->init($this->server->getAuth());
+		return $this->state;
+	}
+
+	/**
+	 * Get the name of the share
+	 *
+	 * @return string
+	 */
+	public function getName() {
+		return $this->name;
+	}
+
+	private function buildUrl($path) {
+		$this->verifyPath($path);
+		$url = sprintf('smb://%s/%s', $this->server->getHost(), $this->name);
+		if ($path) {
+			$path = trim($path, '/');
+			$url .= '/';
+			$url .= implode('/', array_map('rawurlencode', explode('/', $path)));
+		}
+		return $url;
+	}
+
+	/**
+	 * List the content of a remote folder
+	 *
+	 * @param string $path
+	 * @return \Icewind\SMB\IFileInfo[]
+	 *
+	 * @throws \Icewind\SMB\Exception\NotFoundException
+	 * @throws \Icewind\SMB\Exception\InvalidTypeException
+	 */
+	public function dir($path) {
+		$files = array();
+
+		$dh = $this->getState()->opendir($this->buildUrl($path));
+		while ($file = $this->getState()->readdir($dh)) {
+			$name = $file['name'];
+			if ($name !== '.' and $name !== '..') {
+				$files [] = new NativeFileInfo($this, $path . '/' . $name, $name);
+			}
+		}
+
+		$this->getState()->closedir($dh);
+		return $files;
+	}
+
+	/**
+	 * @param string $path
+	 * @return \Icewind\SMB\IFileInfo
+	 */
+	public function stat($path) {
+		return new NativeFileInfo($this, $path, basename($path), $this->getStat($path));
+	}
+
+	public function getStat($path) {
+		return $this->getState()->stat($this->buildUrl($path));
+	}
+
+	/**
+	 * Create a folder on the share
+	 *
+	 * @param string $path
+	 * @return bool
+	 *
+	 * @throws \Icewind\SMB\Exception\NotFoundException
+	 * @throws \Icewind\SMB\Exception\AlreadyExistsException
+	 */
+	public function mkdir($path) {
+		return $this->getState()->mkdir($this->buildUrl($path));
+	}
+
+	/**
+	 * Remove a folder on the share
+	 *
+	 * @param string $path
+	 * @return bool
+	 *
+	 * @throws \Icewind\SMB\Exception\NotFoundException
+	 * @throws \Icewind\SMB\Exception\InvalidTypeException
+	 */
+	public function rmdir($path) {
+		return $this->getState()->rmdir($this->buildUrl($path));
+	}
+
+	/**
+	 * Delete a file on the share
+	 *
+	 * @param string $path
+	 * @return bool
+	 *
+	 * @throws \Icewind\SMB\Exception\NotFoundException
+	 * @throws \Icewind\SMB\Exception\InvalidTypeException
+	 */
+	public function del($path) {
+		return $this->getState()->unlink($this->buildUrl($path));
+	}
+
+	/**
+	 * Rename a remote file
+	 *
+	 * @param string $from
+	 * @param string $to
+	 * @return bool
+	 *
+	 * @throws \Icewind\SMB\Exception\NotFoundException
+	 * @throws \Icewind\SMB\Exception\AlreadyExistsException
+	 */
+	public function rename($from, $to) {
+		return $this->getState()->rename($this->buildUrl($from), $this->buildUrl($to));
+	}
+
+	/**
+	 * Upload a local file
+	 *
+	 * @param string $source local file
+	 * @param string $target remove file
+	 * @return bool
+	 *
+	 * @throws \Icewind\SMB\Exception\NotFoundException
+	 * @throws \Icewind\SMB\Exception\InvalidTypeException
+	 */
+	public function put($source, $target) {
+		$sourceHandle = fopen($source, 'rb');
+		$targetHandle = $this->getState()->create($this->buildUrl($target));
+
+		while ($data = fread($sourceHandle, NativeReadStream::CHUNK_SIZE)) {
+			$this->getState()->write($targetHandle, $data);
+		}
+		$this->getState()->close($targetHandle);
+		return true;
+	}
+
+	/**
+	 * Download a remote file
+	 *
+	 * @param string $source remove file
+	 * @param string $target local file
+	 * @return bool
+	 *
+	 * @throws \Icewind\SMB\Exception\NotFoundException
+	 * @throws \Icewind\SMB\Exception\InvalidTypeException
+	 * @throws \Icewind\SMB\Exception\InvalidPathException
+	 * @throws \Icewind\SMB\Exception\InvalidResourceException
+	 */
+	public function get($source, $target) {
+		if (!$target) {
+			throw new InvalidPathException('Invalid target path: Filename cannot be empty');
+		}
+		$targetHandle = @fopen($target, 'wb');
+		if (!$targetHandle) {
+			$error = error_get_last();
+			if (is_array($error)) {
+				$reason = $error['message'];
+			} else {
+				$reason = 'Unknown error';
+			}
+			throw new InvalidResourceException('Failed opening local file "' . $target . '" for writing: ' . $reason);
+		}
+
+		$sourceHandle = $this->getState()->open($this->buildUrl($source), 'r');
+		if (!$sourceHandle) {
+			fclose($targetHandle);
+			throw new InvalidResourceException('Failed opening remote file "' . $source . '" for reading');
+		}
+
+		while ($data = $this->getState()->read($sourceHandle, NativeReadStream::CHUNK_SIZE)) {
+			fwrite($targetHandle, $data);
+		}
+		$this->getState()->close($sourceHandle);
+		return true;
+	}
+
+	/**
+	 * Open a readable stream top a remote file
+	 *
+	 * @param string $source
+	 * @return resource a read only stream with the contents of the remote file
+	 *
+	 * @throws \Icewind\SMB\Exception\NotFoundException
+	 * @throws \Icewind\SMB\Exception\InvalidTypeException
+	 */
+	public function read($source) {
+		$url = $this->buildUrl($source);
+		$handle = $this->getState()->open($url, 'r');
+		return NativeReadStream::wrap($this->getState(), $handle, 'r', $url);
+	}
+
+	/**
+	 * Open a readable stream top a remote file
+	 *
+	 * @param string $source
+	 * @return resource a read only stream with the contents of the remote file
+	 *
+	 * @throws \Icewind\SMB\Exception\NotFoundException
+	 * @throws \Icewind\SMB\Exception\InvalidTypeException
+	 */
+	public function write($source) {
+		$url = $this->buildUrl($source);
+		$handle = $this->getState()->create($url);
+		return NativeWriteStream::wrap($this->getState(), $handle, 'w', $url);
+	}
+
+	/**
+	 * Get extended attributes for the path
+	 *
+	 * @param string $path
+	 * @param string $attribute attribute to get the info
+	 * @return string the attribute value
+	 */
+	public function getAttribute($path, $attribute) {
+		return $this->getState()->getxattr($this->buildUrl($path), $attribute);
+	}
+
+	/**
+	 * Get extended attributes for the path
+	 *
+	 * @param string $path
+	 * @param string $attribute attribute to get the info
+	 * @param mixed $value
+	 * @return string the attribute value
+	 */
+	public function setAttribute($path, $attribute, $value) {
+
+		if ($attribute === 'system.dos_attr.mode' and is_int($value)) {
+			$value = '0x' . dechex($value);
+		}
+
+		return $this->getState()->setxattr($this->buildUrl($path), $attribute, $value);
+	}
+
+	/**
+	 * @param string $path
+	 * @param int $mode a combination of FileInfo::MODE_READONLY, FileInfo::MODE_ARCHIVE, FileInfo::MODE_SYSTEM and FileInfo::MODE_HIDDEN, FileInfo::NORMAL
+	 * @return mixed
+	 */
+	public function setMode($path, $mode) {
+		return $this->setAttribute($path, 'system.dos_attr.mode', $mode);
+	}
+
+	/**
+	 * @param string $path
+	 * @return INotifyHandler
+	 */
+	public function notify($path) {
+		// php-smbclient does support notify (https://github.com/eduardok/libsmbclient-php/issues/29)
+		// so we use the smbclient based backend for this
+		if (!Server::available($this->server->getSystem())) {
+			throw new DependencyException('smbclient not found in path for notify command');
+		}
+		$share = new Share($this->server, $this->getName());
+		return $share->notify($path);
+	}
+
+	public function __destruct() {
+		unset($this->state);
+	}
+}

src/Native/NativeState.php

@@ -0,0 +1,309 @@
+<?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\Native;
+
+use Icewind\SMB\Exception\AlreadyExistsException;
+use Icewind\SMB\Exception\ConnectionRefusedException;
+use Icewind\SMB\Exception\Exception;
+use Icewind\SMB\Exception\FileInUseException;
+use Icewind\SMB\Exception\ForbiddenException;
+use Icewind\SMB\Exception\HostDownException;
+use Icewind\SMB\Exception\InvalidArgumentException;
+use Icewind\SMB\Exception\InvalidTypeException;
+use Icewind\SMB\Exception\NoRouteToHostException;
+use Icewind\SMB\Exception\NotEmptyException;
+use Icewind\SMB\Exception\NotFoundException;
+use Icewind\SMB\Exception\OutOfSpaceException;
+use Icewind\SMB\Exception\TimedOutException;
+use Icewind\SMB\IAuth;
+
+/**
+ * Low level wrapper for libsmbclient-php with error handling
+ */
+class NativeState {
+	/**
+	 * @var resource
+	 */
+	protected $state;
+
+	protected $handlerSet = false;
+
+	protected $connected = false;
+
+	// see error.h
+	const EXCEPTION_MAP = [
+		1   => ForbiddenException::class,
+		2   => NotFoundException::class,
+		13  => ForbiddenException::class,
+		16  => FileInUseException::class,
+		17  => AlreadyExistsException::class,
+		20  => InvalidTypeException::class,
+		21  => InvalidTypeException::class,
+		22  => InvalidArgumentException::class,
+		28  => OutOfSpaceException::class,
+		39  => NotEmptyException::class,
+		110 => TimedOutException::class,
+		111 => ConnectionRefusedException::class,
+		112 => HostDownException::class,
+		113 => NoRouteToHostException::class
+	];
+
+	protected function handleError($path) {
+		$error = smbclient_state_errno($this->state);
+		if ($error === 0) {
+			return;
+		}
+		throw Exception::fromMap(self::EXCEPTION_MAP, $error, $path);
+	}
+
+	protected function testResult($result, $uri) {
+		if ($result === false or $result === null) {
+			// smb://host/share/path
+			if (is_string($uri) && count(explode('/', $uri, 5)) > 4) {
+				list(, , , , $path) = explode('/', $uri, 5);
+				$path = '/' . $path;
+			} else {
+				$path = null;
+			}
+			$this->handleError($path);
+		}
+	}
+
+	/**
+	 * @param IAuth $auth
+	 * @return bool
+	 */
+	public function init(IAuth $auth) {
+		if ($this->connected) {
+			return true;
+		}
+		$this->state = smbclient_state_new();
+		smbclient_option_set($this->state, SMBCLIENT_OPT_AUTO_ANONYMOUS_LOGIN, false);
+		$auth->setExtraSmbClientOptions($this->state);
+		$result = @smbclient_state_init($this->state, $auth->getWorkgroup(), $auth->getUsername(), $auth->getPassword());
+
+		$this->testResult($result, '');
+		$this->connected = true;
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @return resource
+	 */
+	public function opendir($uri) {
+		$result = @smbclient_opendir($this->state, $uri);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param resource $dir
+	 * @return array
+	 */
+	public function readdir($dir) {
+		$result = @smbclient_readdir($this->state, $dir);
+
+		$this->testResult($result, $dir);
+		return $result;
+	}
+
+	/**
+	 * @param $dir
+	 * @return bool
+	 */
+	public function closedir($dir) {
+		$result = smbclient_closedir($this->state, $dir);
+
+		$this->testResult($result, $dir);
+		return $result;
+	}
+
+	/**
+	 * @param string $old
+	 * @param string $new
+	 * @return bool
+	 */
+	public function rename($old, $new) {
+		$result = @smbclient_rename($this->state, $old, $this->state, $new);
+
+		$this->testResult($result, $new);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @return bool
+	 */
+	public function unlink($uri) {
+		$result = @smbclient_unlink($this->state, $uri);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @param int $mask
+	 * @return bool
+	 */
+	public function mkdir($uri, $mask = 0777) {
+		$result = @smbclient_mkdir($this->state, $uri, $mask);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @return bool
+	 */
+	public function rmdir($uri) {
+		$result = @smbclient_rmdir($this->state, $uri);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @return array
+	 */
+	public function stat($uri) {
+		$result = @smbclient_stat($this->state, $uri);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param resource $file
+	 * @return array
+	 */
+	public function fstat($file) {
+		$result = @smbclient_fstat($this->state, $file);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @param string $mode
+	 * @param int $mask
+	 * @return resource
+	 */
+	public function open($uri, $mode, $mask = 0666) {
+		$result = @smbclient_open($this->state, $uri, $mode, $mask);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @param int $mask
+	 * @return resource
+	 */
+	public function create($uri, $mask = 0666) {
+		$result = @smbclient_creat($this->state, $uri, $mask);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param resource $file
+	 * @param int $bytes
+	 * @return string
+	 */
+	public function read($file, $bytes) {
+		$result = @smbclient_read($this->state, $file, $bytes);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	/**
+	 * @param resource $file
+	 * @param string $data
+	 * @param int $length
+	 * @return int
+	 */
+	public function write($file, $data, $length = null) {
+		$result = @smbclient_write($this->state, $file, $data, $length);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	/**
+	 * @param resource $file
+	 * @param int $offset
+	 * @param int $whence SEEK_SET | SEEK_CUR | SEEK_END
+	 * @return int|bool new file offset as measured from the start of the file on success, false on failure.
+	 */
+	public function lseek($file, $offset, $whence = SEEK_SET) {
+		$result = @smbclient_lseek($this->state, $file, $offset, $whence);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	/**
+	 * @param resource $file
+	 * @param int $size
+	 * @return bool
+	 */
+	public function ftruncate($file, $size) {
+		$result = @smbclient_ftruncate($this->state, $file, $size);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	public function close($file) {
+		$result = @smbclient_close($this->state, $file);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @param string $key
+	 * @return string
+	 */
+	public function getxattr($uri, $key) {
+		$result = @smbclient_getxattr($this->state, $uri, $key);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @param string $key
+	 * @param string $value
+	 * @param int $flags
+	 * @return mixed
+	 */
+	public function setxattr($uri, $key, $value, $flags = 0) {
+		$result = @smbclient_setxattr($this->state, $uri, $key, $value, $flags);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	public function __destruct() {
+		if ($this->connected) {
+			smbclient_state_free($this->state);
+		}
+	}
+}

src/Native/NativeStream.php

@@ -0,0 +1,127 @@
+<?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\Native;
+
+use Icewind\SMB\Exception\Exception;
+use Icewind\SMB\Exception\InvalidRequestException;
+use Icewind\Streams\File;
+
+class NativeStream implements File {
+	/**
+	 * @var resource
+	 */
+	public $context;
+
+	/**
+	 * @var NativeState
+	 */
+	protected $state;
+
+	/**
+	 * @var resource
+	 */
+	protected $handle;
+
+	/**
+	 * @var bool
+	 */
+	protected $eof = false;
+
+	/**
+	 * @var string
+	 */
+	protected $url;
+
+	/**
+	 * Wrap a stream from libsmbclient-php into a regular php stream
+	 *
+	 * @param \Icewind\SMB\NativeState $state
+	 * @param resource $smbStream
+	 * @param string $mode
+	 * @param string $url
+	 * @return resource
+	 */
+	public static function wrap($state, $smbStream, $mode, $url) {
+		stream_wrapper_register('nativesmb', NativeStream::class);
+		$context = stream_context_create(array(
+			'nativesmb' => array(
+				'state'  => $state,
+				'handle' => $smbStream,
+				'url'    => $url
+			)
+		));
+		$fh = fopen('nativesmb://', $mode, false, $context);
+		stream_wrapper_unregister('nativesmb');
+		return $fh;
+	}
+
+	public function stream_close() {
+		return $this->state->close($this->handle);
+	}
+
+	public function stream_eof() {
+		return $this->eof;
+	}
+
+	public function stream_flush() {
+	}
+
+
+	public function stream_open($path, $mode, $options, &$opened_path) {
+		$context = stream_context_get_options($this->context);
+		$this->state = $context['nativesmb']['state'];
+		$this->handle = $context['nativesmb']['handle'];
+		$this->url = $context['nativesmb']['url'];
+		return true;
+	}
+
+	public function stream_read($count) {
+		$result = $this->state->read($this->handle, $count);
+		if (strlen($result) < $count) {
+			$this->eof = true;
+		}
+		return $result;
+	}
+
+	public function stream_seek($offset, $whence = SEEK_SET) {
+		$this->eof = false;
+		try {
+			return $this->state->lseek($this->handle, $offset, $whence) !== false;
+		} catch (InvalidRequestException $e) {
+			return false;
+		}
+	}
+
+	public function stream_stat() {
+		try {
+			return $this->state->stat($this->url);
+		} catch (Exception $e) {
+			return false;
+		}
+	}
+
+	public function stream_tell() {
+		return $this->state->lseek($this->handle, 0, SEEK_CUR);
+	}
+
+	public function stream_write($data) {
+		return $this->state->write($this->handle, $data);
+	}
+
+	public function stream_truncate($size) {
+		return $this->state->ftruncate($this->handle, $size);
+	}
+
+	public function stream_set_option($option, $arg1, $arg2) {
+		return false;
+	}
+
+	public function stream_lock($operation) {
+		return false;
+	}
+}

src/Native/NativeWriteStream.php

@@ -0,0 +1,100 @@
+<?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\Native;
+
+/**
+ * Stream optimized for write only usage
+ */
+class NativeWriteStream extends NativeStream {
+	const CHUNK_SIZE = 1048576; // 1MB chunks
+	/**
+	 * @var resource
+	 */
+	private $writeBuffer = null;
+
+	private $bufferSize = 0;
+
+	private $pos = 0;
+
+	public function stream_open($path, $mode, $options, &$opened_path) {
+		$this->writeBuffer = fopen('php://memory', 'r+');
+
+		return parent::stream_open($path, $mode, $options, $opened_path);
+
+	}
+
+	/**
+	 * Wrap a stream from libsmbclient-php into a regular php stream
+	 *
+	 * @param \Icewind\SMB\NativeState $state
+	 * @param resource $smbStream
+	 * @param string $mode
+	 * @param string $url
+	 * @return resource
+	 */
+	public static function wrap($state, $smbStream, $mode, $url) {
+		stream_wrapper_register('nativesmb', NativeWriteStream::class);
+		$context = stream_context_create(array(
+			'nativesmb' => array(
+				'state'  => $state,
+				'handle' => $smbStream,
+				'url'    => $url
+			)
+		));
+		$fh = fopen('nativesmb://', $mode, false, $context);
+		stream_wrapper_unregister('nativesmb');
+		return $fh;
+	}
+
+	public function stream_seek($offset, $whence = SEEK_SET) {
+		$this->flushWrite();
+		$result = parent::stream_seek($offset, $whence);
+		if ($result) {
+			$this->pos = parent::stream_tell();
+		}
+		return $result;
+	}
+
+	private function flushWrite() {
+		rewind($this->writeBuffer);
+		$this->state->write($this->handle, stream_get_contents($this->writeBuffer));
+		$this->writeBuffer = fopen('php://memory', 'r+');
+		$this->bufferSize = 0;
+	}
+
+	public function stream_write($data) {
+		$written = fwrite($this->writeBuffer, $data);
+		$this->bufferSize += $written;
+		$this->pos += $written;
+
+		if ($this->bufferSize >= self::CHUNK_SIZE) {
+			$this->flushWrite();
+		}
+
+		return $written;
+	}
+
+	public function stream_close() {
+		$this->flushWrite();
+		return parent::stream_close();
+	}
+
+	public function stream_tell() {
+		return $this->pos;
+	}
+
+	public function stream_read($count) {
+		return false;
+	}
+
+	public function stream_truncate($size) {
+		$this->flushWrite();
+		$this->pos = $size;
+		return parent::stream_truncate($size);
+	}
+}