67 lines
1.5 KiB
PHP
67 lines
1.5 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
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* set the immutable flag for a file
|
|
*
|
|
* @param string $filename the file to set the flag for
|
|
*
|
|
* @return boolean
|
|
*/
|
|
function setImmutable($filename = null)
|
|
{
|
|
safe_exec(_getImmutableFunction(false).escapeshellarg($filename));
|
|
}
|
|
|
|
/**
|
|
* removes the immutable flag for a file
|
|
*
|
|
* @param string $filename the file to set the flag for
|
|
*
|
|
* @return boolean
|
|
*/
|
|
function removeImmutable($filename = null)
|
|
{
|
|
safe_exec(_getImmutableFunction(true).escapeshellarg($filename));
|
|
}
|
|
|
|
/**
|
|
* internal function to check whether
|
|
* to use chattr (Linux) or chflags (FreeBSD)
|
|
*
|
|
* @param boolean $remove whether to use +i|schg (false) or -i|noschg (true)
|
|
*
|
|
* @return string functionname + parameter (not the file)
|
|
*/
|
|
function _getImmutableFunction($remove = false)
|
|
{
|
|
$output = array();
|
|
$return_var = 0;
|
|
exec('which chattr 2>&1', $output, $return_var);
|
|
|
|
if((int)$return_var != 0)
|
|
{
|
|
// FreeBSD style
|
|
return 'chflags '.(($remove === true) ? 'noschg ' : 'schg ');
|
|
}
|
|
else
|
|
{
|
|
// Linux style
|
|
return 'chattr '.(($remove === true) ? '-i ' : '+i ');
|
|
}
|
|
}
|