Files
Froxlor/lib/functions/validate/function.appendOpenbasedirPath.php

61 lines
1.8 KiB
PHP

<?php
/**
* This file is part of the Froxlor project.
* Copyright (c) 2010 the Froxlor Team (see authors).
*
* For the full copyright and license information, please view the COPYING
* file that was distributed with this source code. You can also view the
* COPYING file online at http://files.froxlor.org/misc/COPYING.txt
*
* @copyright (c) the authors
* @author Froxlor team <team@froxlor.org> (2010-)
* @license GPLv2 http://files.froxlor.org/misc/COPYING.txt
* @package Functions
*
*/
/**
* checks give path for security issues
* and returns a string that can be appended
* to a line for a open_basedir directive
*
* @param string $path the path to check and append
* @param boolean $first if true, no ':' will be prefixed to the path
*
* @return string
*/
function appendOpenBasedirPath($path = '', $first = false) {
$path = makeCorrectDir($path);
// check for php-version that requires the trailing
// slash to be removed as it does not allow the usage
// of the subfolders within the given folder, fixes #797
if ((PHP_MINOR_VERSION == 2 && PHP_VERSION_ID >= 50216)
|| PHP_VERSION_ID >= 50304
) {
// check trailing slash
if (substr($path, -1, 1) == '/') {
// remove it
$path = substr($path, 0, -1);
}
}
if($path != ''
&& $path != '/'
&& !preg_match("#^/dev#i", $path)
&& !preg_match("#^/proc#i", $path)
&& !preg_match("#^/etc#i", $path)
&& !preg_match("#^/sys#i", $path)
&& !preg_match("#:#", $path)
) {
if ($first) {
return $path;
}
return ':' . $path;
}
return '';
}