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<?php
/**
* Copyright (c) 2014 Robin Appelman <[email protected]>
* This file is licensed under the Licensed under the MIT license:
* http://opensource.org/licenses/MIT
*/
namespace Icewind\SMB;
use Icewind\SMB\Exception\Exception;
class System implements ISystem {
/** @var (string|bool)[] */
private $paths = [];
* Get the path to a file descriptor of the current process
*
* @param int $num the file descriptor id
* @return string
* @throws Exception
public function getFD($num) {
$folders = [
'/proc/self/fd',
'/dev/fd'
];
foreach ($folders as $folder) {
if (file_exists($folder)) {
return $folder . '/' . $num;
}
throw new Exception('Cant find file descriptor path');
public function getSmbclientPath() {
return $this->getBinaryPath('smbclient');
public function getNetPath() {
return $this->getBinaryPath('net');
public function getStdBufPath() {
return $this->getBinaryPath('stdbuf');
public function libSmbclientAvailable() {
return function_exists('smbclient_state_new');
protected function getBinaryPath($binary) {
if (!isset($this->paths[$binary])) {
$result = null;
$output = array();
exec("which $binary 2>&1", $output, $result);
$this->paths[$binary] = $result === 0 ? trim(implode('', $output)) : false;
return $this->paths[$binary];