Current File : /var/www/businessmultisite/wp-content/plugins/duplicator-pro/classes/utilities/class.u.shell.php
<?php
defined("ABSPATH") or die("");
class DUP_PRO_Shell_U
{
public static function runAndGetResponse($command, $index)
{
$command = "$command | awk '{print $$index }'";
$ret_val = shell_exec($command);
return trim($ret_val);
}
/**
* Escape a string to be used as a shell argument with bypass support for Windows
*
* NOTES:
* Provides a way to support shell args on Windows OS and allows %,! on Windows command line
* Safe if input is know such as a defined constant and not from user input escape shellarg
* on Windows with turn %,! into spaces
*
* @return string
*/
public static function escapeshellargWindowsSupport($string)
{
if (strncasecmp(PHP_OS, 'WIN', 3) == 0) {
if (strstr($string, '%') || strstr($string, '!')) {
$result = '"' . str_replace('"', '', $string) . '"';
return $result;
}
}
return escapeshellarg($string);
}
public static function getCompressionParam($isCompressed)
{
if ($isCompressed) {
$parameter = '-6';
} else {
$parameter = '-0';
}
return $parameter;
}
public static function isShellExecEnabled()
{
//if there are multiple paths to scan the shellexec must be deactivated
$scanPath = DUP_PRO_Archive::getScanPaths();
if (count($scanPath) > 1) {
return false;
}
$cmds = array('shell_exec', 'escapeshellarg', 'escapeshellcmd', 'extension_loaded');
//Function disabled at server level
if (array_intersect($cmds, array_map('trim', explode(',', @ini_get('disable_functions'))))) {
return apply_filters('duplicator_pro_is_shellzip_available', false);
}
//Suhosin: http://www.hardened-php.net/suhosin/
//Will cause PHP to silently fail
if (extension_loaded('suhosin')) {
$suhosin_ini = @ini_get("suhosin.executor.func.blacklist");
if (array_intersect($cmds, array_map('trim', explode(',', $suhosin_ini)))) {
return apply_filters('duplicator_pro_is_shellzip_available', false);
}
}
if (! function_exists('shell_exec')) {
return apply_filters('duplicator_pro_is_shellzip_available', false);
}
// Can we issue a simple echo command?
if (!@shell_exec('echo duplicator')) {
$ret = false;
} else {
$ret = true;
}
return apply_filters('duplicator_pro_is_shellzip_available', $ret);
}
/**
*
* @return boolean
*
*/
public static function isPopenEnabled()
{
if (!DUP_PRO_U::isIniFunctionEnalbe('popen') || !DUP_PRO_U::isIniFunctionEnalbe('proc_open')) {
$ret = false;
} else {
$ret = true;
}
$ret = apply_filters('duplicator_pro_is_popen_enabled', $ret);
return $ret;
}
}
Mini Shell