From e1ceb050e19c7574bca146a8da7047ee4ff456b5 Mon Sep 17 00:00:00 2001
From: Marius Burkard <m.burkard@pixcept.de>
Date: Sun, 10 Jul 2016 05:02:35 -0400
Subject: [PATCH] Merge branch 'stable-3.1'

---
 server/lib/classes/system.inc.php | 2948 +++++++++++++++++++++++++++++++++++++++-------------------
 1 files changed, 1,982 insertions(+), 966 deletions(-)

diff --git a/server/lib/classes/system.inc.php b/server/lib/classes/system.inc.php
index 977ed33..978a891 100644
--- a/server/lib/classes/system.inc.php
+++ b/server/lib/classes/system.inc.php
@@ -1,6 +1,7 @@
 <?php
+
 /*
-Copyright (c) 2007, projektfarm Gmbh, Till Brehm, Falko Timme
+Copyright (c) 2007, Till Brehm, projektfarm Gmbh
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,
@@ -27,973 +28,1988 @@
 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-
 class system{
 
-var $FILE = "/root/ispconfig/scripts/lib/classes/ispconfig_system.lib.php";
-var $server_id;
-var $server_conf;
-var $data;
+	var $FILE = '/root/ispconfig/scripts/lib/classes/ispconfig_system.lib.php';
+	var $server_id;
+	var $server_conf;
+	var $data;
+	var $min_uid = 500;
+	var $min_gid = 500;
+	
+	/**
+	 * Construct for this class
+	 *
+	 * @return system
+	 */
 
-function system(){
-  global $go_info;
-  $this->server_id = $go_info["isp"]["server_id"];
-  $this->server_conf = $go_info["isp"]["server_conf"];
-  $this->server_conf["passwd_datei"] = '/etc/passwd';
-  $this->server_conf["shadow_datei"] = '/etc/shadow';
-  $this->server_conf["group_datei"] = '/etc/group';
+
+	public function __construct(){
+		//global $go_info;
+		//$this->server_id = $go_info['isp']['server_id'];
+		//$this->server_conf = $go_info['isp']['server_conf'];
+		$this->server_conf['passwd_datei'] = '/etc/passwd';
+		$this->server_conf['shadow_datei'] = '/etc/shadow';
+		$this->server_conf['group_datei'] = '/etc/group';
+	}
+
+
+
+	/**
+	 * Get the hostname from the server
+	 *
+	 * @return string
+	 */
+	public function hostname(){
+		$dist = $this->server_conf['dist'];
+
+		ob_start();
+		passthru('hostname');
+		$hostname = ob_get_contents();
+		ob_end_clean();
+		$hostname = trim($hostname);
+		ob_start();
+		if(!strstr($dist, 'freebsd')){
+			passthru('dnsdomainname');
+		} else {
+			passthru('domainname');
+		}
+		$domainname = ob_get_contents();
+		ob_end_clean();
+		$domainname = trim($domainname);
+		if($domainname != ""){
+			if(!strstr($hostname, $domainname)) $hostname .= ".".$domainname;
+		}
+		return $hostname;
+	}
+
+
+
+	/**
+	 * Add an user to the system
+	 *
+	 */
+	public function adduser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort = '*'){
+		global $app;
+		if($this->is_user($user_username)){
+			return false;
+		} else {
+			if(trim($user_username) != '') {
+				$user_datei = $this->server_conf['passwd_datei'];
+				$shadow_datei = $this->server_conf['shadow_datei'];
+				$shell = realpath($shell);
+				if(trim($passwort) == '') $passwort = '*';
+				$new_user = "\n$user_username:x:$uid:$gid:$username:$homedir:$shell\n";
+				$app->log->msg('USER: '.$new_user);
+				$app->file->af($user_datei, $new_user);
+				if($shadow_datei == '/etc/shadow'){
+					$datum = time();
+					$tage = floor($datum/86400);
+					$new_passwd = "\n$user_username:$passwort:$tage:0:99999:7:::\n";
+				} else {
+					$new_passwd = "\n$user_username:$passwort:$uid:$gid::0:0:$username:$homedir:$shell\n";
+				}
+				$app->file->af($shadow_datei, $new_passwd);
+				// TB: leere Zeilen entfernen
+				$app->file->remove_blank_lines($shadow_datei);
+				$app->file->remove_blank_lines($user_datei);
+				// TB: user Sortierung deaktiviert
+				//$this->order_users_groups();
+				if($shadow_datei != '/etc/shadow'){
+					$app->file->af($shadow_datei, "\n");
+					// TB: leere Zeilen entfernen
+					$app->file->remove_blank_lines($shadow_datei);
+					$app->log->caselog("pwd_mkdb $shadow_datei &> /dev/null", $this->FILE, __LINE__);
+				}
+				return true;
+			}
+		}
+	}
+
+
+
+
+
+	/**
+	 * Update users when someone edit it
+	 *
+	 */
+	function updateuser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort = '*'){
+		//* First delete the users
+		$this->deluser($user_username);
+		//* Add the user again
+		$this->adduser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort);
+	}
+
+
+
+
+
+	/**
+	 * Lock the user
+	 *
+	 */
+	function deactivateuser($user_username){
+		$passwort = str_rot13($this->getpasswd($user_username));
+		$user_attr = $this->get_user_attributes($user_username);
+		$uid = $user_attr['uid'];
+		$gid = $user_attr['gid'];
+		$username = $user_attr['name'];
+		$homedir = $user_attr['homedir'];
+		$shell = '/dev/null';
+		$this->deluser($user_username);
+		$this->adduser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort);
+	}
+
+
+	/**
+	 * Delete a user from the system
+	 *
+	 */
+	function deluser($user_username){
+		global $app;
+		if($this->is_user($user_username)){
+			$user_datei = $this->server_conf['passwd_datei'];
+			$shadow_datei = $this->server_conf['shadow_datei'];
+			$users = $app->file->rf($user_datei);
+			$lines = explode("\n", $users);
+			if(is_array($lines)){
+				$num_lines = sizeof($lines);
+				for($i=0;$i<$num_lines;$i++){
+					if(trim($lines[$i]) != ''){
+						list($f1, ) = explode(':', $lines[$i]);
+						if($f1 != $user_username) $new_lines[] = $lines[$i];
+					}
+				}
+				$new_users = implode("\n", $new_lines);
+				$app->file->wf($user_datei, $new_users);
+				unset($new_lines);
+				unset($lines);
+				unset($new_users);
+			}
+			$app->file->remove_blank_lines($user_datei);
+
+			$passwds = $app->file->rf($shadow_datei);
+			$lines = explode("\n", $passwds);
+			if(is_array($lines)){
+				$num_lines = sizeof($lines);
+				for($i=0;$i<$num_lines;$i++){
+					if(trim($lines[$i]) != ''){
+						list($f1, ) = explode(':', $lines[$i]);
+						if($f1 != $user_username) $new_lines[] = $lines[$i];
+					}
+				}
+				$new_passwds = implode("\n", $new_lines);
+				$app->file->wf($shadow_datei, $new_passwds);
+				unset($new_lines);
+				unset($lines);
+				unset($new_passwds);
+			}
+			$app->file->remove_blank_lines($shadow_datei);
+
+			$group_file = $app->file->rf($this->server_conf['group_datei']);
+			$group_file_lines = explode("\n", $group_file);
+			foreach($group_file_lines as $group_file_line){
+				if(trim($group_file_line) != ''){
+					list($f1, $f2, $f3, $f4) = explode(':', $group_file_line);
+					$group_users = explode(',', str_replace(' ', '', $f4));
+					if(in_array($user_username, $group_users)){
+						$g_users = array();
+						foreach($group_users as $group_user){
+							if($group_user != $user_username) $g_users[] = $group_user;
+						}
+						$f4 = implode(',', $g_users);
+					}
+					$new_group_file[] = $f1.':'.$f2.':'.$f3.':'.$f4;
+				}
+			}
+			$new_group_file = implode("\n", $new_group_file);
+			$app->file->wf($this->server_conf['group_datei'], $new_group_file);
+			// TB: auskommentiert
+			//$this->order_users_groups();
+
+			if($shadow_datei != '/etc/shadow'){
+				$app->file->af($shadow_datei, "\n");
+				$app->log->caselog("pwd_mkdb $shadow_datei &> /dev/null", $this->FILE, __LINE__);
+			}
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Add a usergroup to the system
+	 *
+	 */
+	function addgroup($group, $gid, $members = ''){
+		global $app;
+		if($this->is_group($group)){
+			return false;
+		} else {
+			$group_datei = $this->server_conf['group_datei'];
+			$shadow_datei = $this->server_conf['shadow_datei'];
+			$new_group = "\n$group:x:$gid:$members\n";
+			$app->file->af($group_datei, $new_group);
+
+			// TB: auskommentiert
+			//$this->order_users_groups();
+			if($shadow_datei != '/etc/shadow'){
+				$app->log->caselog("pwd_mkdb $shadow_datei &> /dev/null", $this->FILE, __LINE__);
+			}
+			return true;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Update usersgroup in way to delete and add it again
+	 *
+	 */
+	function updategroup($group, $gid, $members = ''){
+		$this->delgroup($group);
+		$this->addgroup($group, $gid, $members);
+	}
+
+
+
+
+
+	/**
+	 * Delete a usergroup from the system
+	 *
+	 */
+	function delgroup($group){
+		global $app;
+		if($this->is_group($group)){
+			$group_datei = $this->server_conf['group_datei'];
+			$shadow_datei = $this->server_conf['shadow_datei'];
+			$groups = $app->file->rf($group_datei);
+			$lines = explode("\n", $groups);
+			if(is_array($lines)){
+				$num_lines = sizeof($lines);
+				for($i=0;$i<$num_lines;$i++){
+					if(trim($lines[$i]) != ''){
+						list($f1, ) = explode(':', $lines[$i]);
+						if($f1 != $group) $new_lines[] = $lines[$i];
+					}
+				}
+				$new_groups = implode("\n", $new_lines);
+				$app->file->wf($group_datei, $new_groups);
+				unset($new_lines);
+				unset($lines);
+				unset($new_groups);
+			}
+			// TB: auskommentiert
+			//$this->order_users_groups();
+			if($shadow_datei != '/etc/shadow'){
+				$app->log->caselog("pwd_mkdb $shadow_datei &> /dev/null", $this->FILE, __LINE__);
+			}
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+
+	/**
+	 * Order usergroups
+	 *
+	 */
+	function order_users_groups(){
+		global $app;
+		$user_datei = $this->server_conf['passwd_datei'];
+		$shadow_datei = $this->server_conf['shadow_datei'];
+		$group_datei = $this->server_conf['group_datei'];
+
+		$groups = $app->file->no_comments($group_datei);
+		$lines = explode("\n", $groups);
+		if(is_array($lines)){
+			foreach($lines as $line){
+				if(trim($line) != ''){
+					list($f1, $f2, $f3, $f4) = explode(':', $line);
+					$arr[$f3] = $line;
+				}
+			}
+		}
+		ksort($arr);
+		reset($arr);
+		if($shadow_datei != '/etc/shadow'){
+			$app->file->wf($group_datei, $app->file->remove_blank_lines(implode("\n", $arr), 0)."\n");
+		}else {
+			$app->file->wf($group_datei, $app->file->remove_blank_lines(implode("\n", $arr), 0));
+		}
+		unset($arr);
+
+		$users = $app->file->no_comments($user_datei);
+		$lines = explode("\n", $users);
+		if(is_array($lines)){
+			foreach($lines as $line){
+				if(trim($line) != ""){
+					list($f1, $f2, $f3, ) = explode(':', $line);
+					if($f1 != 'toor'){
+						$arr[$f3] = $line;
+					} else {
+						$arr[70000] = $line;
+					}
+				}
+			}
+		}
+		ksort($arr);
+		reset($arr);
+		$app->file->wf($user_datei, $app->file->remove_blank_lines(implode("\n", $arr), 0));
+		unset($arr);
+
+		$passwds = $app->file->no_comments($shadow_datei);
+		$lines = explode("\n", $passwds);
+		if(is_array($lines)){
+			foreach($lines as $line){
+				if(trim($line) != ''){
+					list($f1, $f2, $f3, ) = explode(':', $line);
+					if($f1 != 'toor'){
+						$uid = $this->getuid($f1);
+						if(!is_bool($uid)) $arr[$uid] = $line;
+					} else {
+						$arr[70000] = $line;
+					}
+				}
+			}
+		}
+		ksort($arr);
+		reset($arr);
+		$app->file->wf($shadow_datei, $app->file->remove_blank_lines(implode("\n", $arr), 0));
+		unset($arr);
+	}
+
+
+
+
+
+	/**
+	 * Find a user / group id
+	 *
+	 */
+	function find_uid_gid($min, $max){
+		global $app;
+		if($min < $max && $min >= 0 && $max >= 0 && $min <= 65536 && $max <= 65536 && is_int($min) && is_int($max)){
+			for($i=$min;$i<=$max;$i++){
+				$uid_arr[$i] = $gid_arr[$i] = 1;
+			}
+			$user_datei = $this->server_conf['passwd_datei'];
+			$group_datei = $this->server_conf['group_datei'];
+
+			$users = $app->file->no_comments($user_datei);
+			$lines = explode("\n", $users);
+			if(is_array($lines)){
+				foreach($lines as $line){
+					if(trim($line) != ''){
+						list($f1, $f2, $f3, $f4, $f5, $f6, $f7) = explode(':', $line);
+						if($f3 >= $min && $f3 <= $max) unset($uid_arr[$f3]);
+					}
+				}
+				if(!empty($uid_arr)){
+					foreach($uid_arr as $key => $val){
+						$uids[] = $key;
+					}
+					$min_uid = min($uids);
+					unset($uid_arr);
+				} else {
+					return false;
+				}
+			}
+
+			$groups = $app->file->no_comments($group_datei);
+			$lines = explode("\n", $groups);
+			if(is_array($lines)){
+				foreach($lines as $line){
+					if(trim($line) != ''){
+						list($f1, $f2, $f3, $f4) = explode(':', $line);
+						if($f3 >= $min && $f3 <= $max) unset($gid_arr[$f3]);
+					}
+				}
+				if(!empty($gid_arr)){
+					foreach($gid_arr as $key => $val){
+						$gids[] = $key;
+					}
+					$min_gid = min($gids);
+					unset($gid_arr);
+				} else {
+					return false;
+				}
+			}
+
+			$result = array_intersect($uids, $gids);
+			$new_id = (max($result));
+			unset($uids);
+			unset($gids);
+			unset($result);
+			if($new_id <= $max){
+				return $new_id;
+			} else {
+				return false;
+			}
+		} else {
+			return false;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Check if the users is really a user into the system
+	 *
+	 */
+	function is_user($user){
+		global $app;
+		$user_datei = $this->server_conf['passwd_datei'];
+		$users = $app->file->no_comments($user_datei);
+		$lines = explode("\n", $users);
+		if(is_array($lines)){
+			foreach($lines as $line){
+				if(trim($line) != ''){
+					list($f1, $f2, $f3, $f4, $f5, $f6, $f7) = explode(':', $line);
+					if($f1 == $user) return true;
+				}
+			}
+		}
+		return false;
+	}
+
+
+
+
+
+	/**
+	 * Check if the group is on this system
+	 *
+	 */
+	function is_group($group){
+		global $app;
+		$group_datei = $this->server_conf['group_datei'];
+		$groups = $app->file->no_comments($group_datei);
+		$lines = explode("\n", $groups);
+		if(is_array($lines)){
+			foreach($lines as $line){
+				if(trim($line) != ""){
+					list($f1, $f2, $f3, $f4) = explode(':', $line);
+					if($f1 == $group) return true;
+				}
+			}
+		}
+		return false;
+	}
+
+	/*
+	// Alternative implementation of the is_group function. Should be faster then the old one To be tested.
+	function is_group($group) {
+	$groupfile = '/etc/group';
+	if(is_file($groupfile)) {
+		$handle = fopen ($groupfile, "r");
+		while (!feof($handle)) {
+			$line = trim(fgets($handle, 4096));
+			if($line != ""){
+				$parts = explode(":", $line);
+	        	if($parts[0] == $group) {
+					fclose ($handle);
+					return true;
+				}
+			}
+		}
+		fclose ($handle);
+	}
+	return false;
+	}
+	*/
+
+	function root_group(){
+		global $app;
+		$group_datei = $this->server_conf['group_datei'];
+		$groups = $app->file->no_comments($group_datei);
+		$lines = explode("\n", $groups);
+		if(is_array($lines)){
+			foreach($lines as $line){
+				if(trim($line) != ''){
+					list($f1, $f2, $f3, $f4) = explode(':', $line);
+					if($f3 == 0) return $f1;
+				}
+			}
+		}
+		return false;
+	}
+
+
+
+
+
+	/**
+	 * Get the groups of an user
+	 *
+	 */
+	function get_user_groups($username){
+		global $app;
+		$user_groups = array();
+		$group_datei = $this->server_conf['group_datei'];
+		$groups = $app->file->no_comments($group_datei);
+		$lines = explode("\n", $groups);
+		if(is_array($lines)){
+			foreach($lines as $line){
+				if(trim($line) != ''){
+					list($f1, $f2, $f3, $f4) = explode(':', $line);
+					if(intval($f3) < intval($this->server_conf['groupid_von']) && trim($f1) != 'users'){
+						$tmp_group_users = explode(',', str_replace(' ', '', $f4));
+						if(in_array($username, $tmp_group_users) && trim($f1) != '') $user_groups[] = $f1;
+						unset($tmp_group_users);
+					}
+				}
+			}
+		}
+		if(!empty($user_groups)) return implode(',', $user_groups);
+		return '';
+	}
+
+
+
+
+
+	/**
+	 * Get a user password
+	 *
+	 */
+	function getpasswd($user){
+		global $app;
+		if($this->is_user($user)){
+			$shadow_datei = $this->server_conf['shadow_datei'];
+			$passwds = $app->file->no_comments($shadow_datei);
+			$lines = explode("\n", $passwds);
+			if(is_array($lines)){
+				foreach($lines as $line){
+					if(trim($line) != ''){
+						list($f1, $f2, ) = explode(':', $line);
+						if($f1 == $user) return $f2;
+					}
+				}
+			}
+		} else {
+			return false;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Get the user from an user id
+	 *
+	 */
+	function getuser($uid){
+		global $app;
+		$user_datei = $this->server_conf['passwd_datei'];
+		$users = $app->file->no_comments($user_datei);
+		$lines = explode("\n", $users);
+		if(is_array($lines)){
+			foreach($lines as $line){
+				if(trim($line) != ''){
+					list($f1, $f2, $f3,) = explode(':', $line);
+					if($f3 == $uid) return $f1;
+				}
+			}
+		}
+		return false;
+	}
+
+
+
+
+
+	/**
+	 * Get the user id from an user
+	 *
+	 */
+	function getuid($user){
+		global $app;
+		if($this->is_user($user)){
+			$user_datei = $this->server_conf['passwd_datei'];
+			$users = $app->file->no_comments($user_datei);
+			$lines = explode("\n", $users);
+			if(is_array($lines)){
+				foreach($lines as $line){
+					if(trim($line) != ''){
+						list($f1, $f2, $f3, ) = explode(':', $line);
+						if($f1 == $user) return $f3;
+					}
+				}
+			}
+		} else {
+			return false;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Get the group from a group id
+	 *
+	 */
+	function getgroup($gid){
+		global $app;
+		$group_datei = $this->server_conf['group_datei'];
+		$groups = $app->file->no_comments($group_datei);
+		$lines = explode("\n", $groups);
+		if(is_array($lines)){
+			foreach($lines as $line){
+				if(trim($line) != ""){
+					list($f1, $f2, $f3, $f4) = explode(':', $line);
+					if($f3 == $gid) return $f1;
+				}
+			}
+		}
+		return false;
+	}
+
+
+
+
+
+	/**
+	 * Get the group id from an group
+	 *
+	 */
+	function getgid($group){
+		global $app;
+		if($this->is_group($group)){
+			$group_datei = $this->server_conf['group_datei'];
+			$groups = $app->file->no_comments($group_datei);
+			$lines = explode("\n", $groups);
+			if(is_array($lines)){
+				foreach($lines as $line){
+					if(trim($line) != ""){
+						list($f1, $f2, $f3, $f4) = explode(':', $line);
+						if($f1 == $group) return $f3;
+					}
+				}
+			}
+		} else {
+			return false;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Return info about a group by name
+	 *
+	 */
+	function posix_getgrnam($group) {
+		if(!function_exists('posix_getgrnam')){
+			$group_datei = $this->server_conf['group_datei'];
+			$cmd = 'grep -m 1 "^'.$group.':" '.$group_datei;
+			exec($cmd, $output, $return_var);
+			if($return_var != 0 || !$output[0]) return false;
+			list($f1, $f2, $f3, $f4) = explode(':', $output[0]);
+			$f2 = trim($f2);
+			$f3 = trim($f3);
+			$f4 = trim($f4);
+			if($f4 != ''){
+				$members = explode(',', $f4);
+			} else {
+				$members = array();
+			}
+			$group_details = array( 'name' => $group,
+				'passwd' => $f2,
+				'members' => $members,
+				'gid' => $f3);
+			return $group_details;
+		} else {
+			return posix_getgrnam($group);
+		}
+	}
+
+
+
+
+
+	/**
+	 * Get all information from a user
+	 *
+	 */
+	function get_user_attributes($user){
+		global $app;
+		if($this->is_user($user)){
+			$user_datei = $this->server_conf['passwd_datei'];
+			$users = $app->file->no_comments($user_datei);
+			$lines = explode("\n", $users);
+			if(is_array($lines)){
+				foreach($lines as $line){
+					if(trim($line) != ''){
+						list($f1, $f2, $f3, $f4, $f5, $f6, $f7) = explode(':', $line);
+						if($f1 == $user){
+							$user_attr['username'] = $f1;
+							$user_attr['x'] = $f2;
+							$user_attr['uid'] = $f3;
+							$user_attr['gid'] = $f4;
+							$user_attr['name'] = $f5;
+							$user_attr['homedir'] = $f6;
+							$user_attr['shell'] = $f7;
+							return $user_attr;
+						}
+					}
+				}
+			}
+		} else {
+			return false;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Edit the owner of a file
+	 *
+	 */
+	function chown($file, $owner, $allow_symlink = false){
+		global $app;
+		if($allow_symlink == false && $this->checkpath($file) == false) {
+			$app->log("Action aborted, file is a symlink: $file", LOGLEVEL_WARN);
+			return false;
+		}
+		if(file_exists($file)) {
+			if(@chown($file, $owner)) {
+				return true;
+			} else {
+				$app->log("chown failed: $file : $owner", LOGLEVEL_DEBUG);
+				return false;
+			}
+		}
+	}
+
+	function chgrp($file, $group = '', $allow_symlink = false){
+		global $app;
+		if($allow_symlink == false && $this->checkpath($file) == false) {
+			$app->log("Action aborted, file is a symlink: $file", LOGLEVEL_WARN);
+			return false;
+		}
+		if(file_exists($file)) {
+			if(@chgrp($file, $group)) {
+				return true;
+			} else {
+				$app->log("chgrp failed: $file : $group", LOGLEVEL_DEBUG);
+				return false;
+			}
+		}
+	}
+
+	//* Change the mode of a file
+	function chmod($file, $mode, $allow_symlink = false) {
+		global $app;
+		if($allow_symlink == false && $this->checkpath($file) == false) {
+			$app->log("Action aborted, file is a symlink: $file", LOGLEVEL_WARN);
+			return false;
+		}
+		if(@chmod($file, $mode)) {
+			return true;
+		} else {
+			$app->log("chmod failed: $file : $mode", LOGLEVEL_DEBUG);
+			return false;
+		}
+	}
+
+	function file_put_contents($filename, $data, $allow_symlink = false) {
+		global $app;
+		if($allow_symlink == false && $this->checkpath($filename) == false) {
+			$app->log("Action aborted, file is a symlink: $filename", LOGLEVEL_WARN);
+			return false;
+		}
+		if(file_exists($filename)) unlink($filename);
+		return file_put_contents($filename, $data);
+	}
+
+	function file_get_contents($filename, $allow_symlink = false) {
+		global $app;
+		if($allow_symlink == false && $this->checkpath($filename) == false) {
+			$app->log("Action aborted, file is a symlink: $filename", LOGLEVEL_WARN);
+			return false;
+		}
+		return file_get_contents($filename, $data);
+	}
+
+	function rename($filename, $new_filename, $allow_symlink = false) {
+		global $app;
+		if($allow_symlink == false && $this->checkpath($filename) == false) {
+			$app->log("Action aborted, file is a symlink: $filename", LOGLEVEL_WARN);
+			return false;
+		}
+		return rename($filename, $new_filename);
+	}
+
+	function mkdir($dirname, $allow_symlink = false) {
+		global $app;
+		if($allow_symlink == false && $this->checkpath($dirname) == false) {
+			$app->log("Action aborted, file is a symlink: $dirname", LOGLEVEL_WARN);
+			return false;
+		}
+		if(@mkdir($dirname)) {
+			return true;
+		} else {
+			$app->log("mkdir failed: $dirname", LOGLEVEL_DEBUG);
+			return false;
+		}
+	}
+
+	function unlink($filename) {
+		if(file_exists($filename) || is_link($filename)) {
+			return unlink($filename);
+		}
+	}
+
+	function copy($file1, $file2) {
+		return copy($file1, $file2);
+	}
+
+	function touch($file, $allow_symlink = false){
+		global $app;
+		if($allow_symlink == false && @file_exists($file) && $this->checkpath($file) == false) {
+			$this->unlink($file);
+		}
+		if(@touch($file)) {
+			return true;
+		} else {
+			$app->log("touch failed: $file", LOGLEVEL_DEBUG);
+			return false;
+		}
+	}
+
+	function checkpath($path) {
+		$path = trim($path);
+		//* We allow only absolute paths
+		if(substr($path, 0, 1) != '/') return false;
+
+		//* We allow only some characters in the path
+		// * is allowed, for example it is part of wildcard certificates/keys: *.example.com.crt
+		if(!preg_match('@^/[-a-zA-Z0-9_/.*]{1,}[~]?$@', $path)) return false;
+
+		//* Check path for symlinks
+		$path_parts = explode('/', $path);
+		$testpath = '';
+		foreach($path_parts as $p) {
+			$testpath .= '/'.$p;
+			if(is_link($testpath)) return false;
+		}
+
+		return true;
+	}
+
+
+	/**
+	 * This function checks the free space for a given directory
+	 * @param path check path
+	 * @param limit min. free space in bytes
+	 * @return bool - true when the the free space is above limit ohterwise false, opt. available disk-space
+	*/
+
+	function check_free_space($path, $limit = 0, &$free_space = 0) {
+		$path = rtrim($path, '/');
+
+		/**
+		* Make sure that we have only existing directories in the path.
+
+		* Given a file name instead of a directory, the behaviour of the disk_free_space
+		function is unspecified and may differ between operating systems and PHP versions.
+        */
+		while(!is_dir($path) && $path != '/') $path = realpath(dirname($path));
+
+		$free_space = disk_free_space($out);
+
+		if (!$free_space) {
+			$free_space = 0;
+			return false;
+		}
+
+		if ($free_space >= $limit) {
+			return true;
+		} else {
+			return false;
+		}
+
+	}
+
+
+
+	/**
+	 * Add an user to a specific group
+	 *
+	 */
+	function add_user_to_group($group, $user = 'admispconfig'){
+		global $app;
+		$group_file = $app->file->rf($this->server_conf['group_datei']);
+		$group_file_lines = explode("\n", $group_file);
+		foreach($group_file_lines as $group_file_line){
+			list($group_name, $group_x, $group_id, $group_users) = explode(':', $group_file_line);
+			if($group_name == $group){
+				$group_users = explode(',', str_replace(' ', '', $group_users));
+				if(!in_array($user, $group_users)){
+					$group_users[] = $user;
+				}
+				$group_users = implode(',', $group_users);
+				if(substr($group_users, 0, 1) == ',') $group_users = substr($group_users, 1);
+				$group_file_line = $group_name.':'.$group_x.':'.$group_id.':'.$group_users;
+			}
+			$new_group_file[] = $group_file_line;
+		}
+		$new_group_file = implode("\n", $new_group_file);
+		$app->file->wf($this->server_conf['group_datei'], $new_group_file);
+		$app->file->remove_blank_lines($this->server_conf['group_datei']);
+		if($this->server_conf['shadow_datei'] != '/etc/shadow'){
+			$app->log->caselog('pwd_mkdb '.$this->server_conf['shadow_datei'].' &> /dev/null', $this->FILE, __LINE__);
+		}
+	}
+
+	/*
+	function usermod($user, $groups){
+		global $app;
+	  	if($this->is_user($user)){
+		    $groups = explode(',', str_replace(' ', '', $groups));
+	    	$group_file = $app->file->rf($this->server_conf['group_datei']);
+	    	$group_file_lines = explode("\n", $group_file);
+	    	foreach($group_file_lines as $group_file_line){
+	      		if(trim($group_file_line) != ""){
+	        		list($f1, $f2, $f3, $f4) = explode(':', $group_file_line);
+	        		$group_users = explode(',', str_replace(' ', '', $f4));
+	        		if(!in_array($f1, $groups)){
+	          			if(in_array($user, $group_users)){
+	            			$g_users = array();
+	            			foreach($group_users as $group_user){
+	              				if($group_user != $user) $g_users[] = $group_user;
+	            			}
+	            			$f4 = implode(',', $g_users);
+	          			}
+		        	} else {
+	          			if(!in_array($user, $group_users)){
+	            			if(trim($group_users[0]) == '') unset($group_users);
+	            			$group_users[] = $user;
+	          			}
+	          			$f4 = implode(',', $group_users);
+	        		}
+	        		$new_group_file[] = $f1.':'.$f2.':'.$f3.':'.$f4;
+	      		}
+	    	}
+	    	$new_group_file = implode("\n", $new_group_file);
+	    	$app->file->wf($this->server_conf['group_datei'], $new_group_file);
+	    	$app->file->remove_blank_lines($this->server_conf['group_datei']);
+	    	if($this->server_conf['shadow_datei'] != '/etc/shadow'){
+	      		$app->log->caselog('pwd_mkdb '.$this->server_conf['shadow_datei'].' &> /dev/null', $this->FILE, __LINE__);
+	    	}
+	    	return true;
+	  	} else {
+		    return false;
+	  	}
+	}
+	*/
+
+	/**boot autostart etc
+	 *
+	 */
+	function rc_edit($service, $rl, $action){
+		// $action = "on|off";
+		global $app;
+		$dist_init_scripts = $app->system->server_conf['dist_init_scripts'];
+		$dist_runlevel = $app->system->server_conf['dist_runlevel'];
+		$dist = $app->system->server_conf['dist'];
+		if(trim($dist_runlevel) == ''){ // falls es keine runlevel gibt (FreeBSD)
+			if($action == 'on'){
+				@symlink($dist_init_scripts.'/'.$service, $dist_init_scripts.'/'.$service.'.sh');
+			}
+			if($action == 'off'){
+				if(is_link($dist_init_scripts.'/'.$service.'.sh')){
+					unlink($dist_init_scripts.'/'.$service.'.sh');
+				} else {
+					rename($dist_init_scripts.'/'.$service.'.sh', $dist_init_scripts.'/'.$service);
+				}
+			}
+		} else { // Linux
+			if(substr($dist, 0, 4) == 'suse'){
+				if($action == 'on'){
+					exec("chkconfig --add $service &> /dev/null");
+				}
+				if($action == 'off'){
+					exec("chkconfig --del $service &> /dev/null");
+				}
+			} else {
+				$runlevels = explode(',', $rl);
+				foreach($runlevels as $runlevel){
+					$runlevel = trim($runlevel);
+					if($runlevel != '' && is_dir($dist_runlevel.'/rc'.$runlevel.'.d')){
+						$handle=opendir($dist_runlevel.'/rc'.$runlevel.'.d');
+						while($file = readdir($handle)){
+							if($file != '.' && $file != '..'){
+								$target = @readlink($dist_runlevel.'/rc'.$runlevel.'.d/'.$file);
+								if(strstr($file, $service) && strstr($target, $service) && substr($file, 0, 1) == 'S') $ln_arr[$runlevel][] = $dist_runlevel.'/rc'.$runlevel.'.d/'.$file;
+							}
+						}
+						closedir($handle);
+					}
+					if($action == 'on'){
+						if(!is_array($ln_arr[$runlevel])) @symlink($dist_init_scripts.'/'.$service, $dist_runlevel.'/rc'.$runlevel.'.d/S99'.$service);
+					}
+					if($action == 'off'){
+						if(is_array($ln_arr[$runlevel])){
+							foreach($ln_arr[$runlevel] as $link){
+								unlink($link);
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+
+
+
+
+	/**
+	 * Filter information from the commands
+	 *
+	 */
+	function grep($content, $string, $params = ''){
+		global $app;
+		// params: i, v, w
+		$content = $app->file->unix_nl($content);
+		$lines = explode("\n", $content);
+		foreach($lines as $line){
+			if(!strstr($params, 'w')){
+				if(strstr($params, 'i')){
+					if(strstr($params, 'v')){
+						if(!stristr($line, $string)) $find[] = $line;
+					} else {
+						if(stristr($line, $string)) $find[] = $line;
+					}
+				} else {
+					if(strstr($params, 'v')){
+						if(!strstr($line, $string)) $find[] = $line;
+					} else {
+						if(strstr($line, $string)) $find[] = $line;
+					}
+				}
+			} else {
+				if(strstr($params, 'i')){
+					if(strstr($params, 'v')){
+						if(!$app->string->is_word($string, $line, 'i')) $find[] = $line;
+					} else {
+						if($app->string->is_word($string, $line, 'i')) $find[] = $line;
+					}
+				} else {
+					if(strstr($params, 'v')){
+						if(!$app->string->is_word($string, $line)) $find[] = $line;
+					} else {
+						if($app->string->is_word($string, $line)) $find[] = $line;
+					}
+				}
+			}
+		}
+		if(is_array($find)){
+			$ret_val = implode("\n", $find);
+			if(substr($ret_val, -1) != "\n") $ret_val .= "\n";
+			$find = NULL;
+			return $ret_val;
+		} else {
+			return false;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Strip content from fields
+	 *
+	 */
+	function cut($content, $field, $delimiter = ':'){
+		global $app;
+		$content = $app->file->unix_nl($content);
+		$lines = explode("\n", $content);
+		foreach($lines as $line){
+			$elms = explode($delimiter, $line);
+			$find[] = $elms[($field-1)];
+		}
+		if(is_array($find)){
+			$ret_val = implode("\n", $find);
+			if(substr($ret_val, -1) != "\n") $ret_val .= "\n";
+			$find = NULL;
+			return $ret_val;
+		} else {
+			return false;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Get the content off a file
+	 *
+	 */
+	function cat($file){
+		global $app;
+		return $app->file->rf($file);
+	}
+
+
+
+
+
+	/**
+	 * Control services to restart etc
+	 *
+	 */
+	function daemon_init($daemon, $action){
+		//* $action = start|stop|restart|reload
+		global $app;
+		$dist = $this->server_conf['dist'];
+		$dist_init_scripts = $this->server_conf['dist_init_scripts'];
+		if(!strstr($dist, 'freebsd')){
+			$app->log->caselog("$dist_init_scripts/$daemon $action &> /dev/null", $this->FILE, __LINE__);
+		} else {
+			if(is_file($dist_init_scripts.'/'.$daemon.'.sh') || is_link($dist_init_scripts.'/'.$daemon.'.sh')){
+				if($action == 'start' || $action == 'stop'){
+					$app->log->caselog($dist_init_scripts.'/'.$daemon.'.sh '.$action.' &> /dev/null', $this->FILE, __LINE__);
+				} else {
+					$app->log->caselog($dist_init_scripts.'/'.$daemon.'.sh stop &> /dev/null', $this->FILE, __LINE__);
+					sleep(3);
+					$app->log->caselog($dist_init_scripts.'/'.$daemon.'.sh start &> /dev/null', $this->FILE, __LINE__);
+				}
+			} else {
+				if(is_file($dist_init_scripts.'/'.$daemon) || is_link($dist_init_scripts.'/'.$daemon)){
+					if($action == 'start' || $action == 'stop'){
+						$app->log->caselog($dist_init_scripts.'/'.$daemon.' '.$action.' &> /dev/null', $this->FILE, __LINE__);
+					} else {
+						$app->log->caselog($dist_init_scripts.'/'.$daemon.' stop &> /dev/null', $this->FILE, __LINE__);
+						sleep(3);
+						$app->log->caselog($dist_init_scripts.'/'.$daemon.' start &> /dev/null', $this->FILE, __LINE__);
+					}
+				} else {
+					if(is_file('/etc/rc.d/'.$daemon) || is_link('/etc/rc.d/'.$daemon)){
+						if($action == 'start' || $action == 'stop'){
+							$app->log->caselog('/etc/rc.d/'.$daemon.' '.$action.' &> /dev/null', $this->FILE, __LINE__);
+						} else {
+							$app->log->caselog('/etc/rc.d/'.$daemon.' stop &> /dev/null', $this->FILE, __LINE__);
+							sleep(3);
+							$app->log->caselog('/etc/rc.d/'.$daemon.' start &> /dev/null', $this->FILE, __LINE__);
+						}
+					}
+				}
+			}
+		}
+	}
+
+	function netmask($netmask){
+		list($f1, $f2, $f3, $f4) = explode('.', trim($netmask));
+		$bin = str_pad(decbin($f1), 8, '0', STR_PAD_LEFT).str_pad(decbin($f2), 8, '0', STR_PAD_LEFT).str_pad(decbin($f3), 8, '0', STR_PAD_LEFT).str_pad(decbin($f4), 8, '0', STR_PAD_LEFT);
+		$parts = explode('0', $bin);
+		$bin = str_pad($parts[0], 32, '0', STR_PAD_RIGHT);
+		$bin = wordwrap($bin, 8, '.', 1);
+		list($f1, $f2, $f3, $f4) = explode('.', trim($bin));
+		return bindec($f1).'.'.bindec($f2).'.'.bindec($f3).'.'.bindec($f4);
+	}
+
+	function binary_netmask($netmask){
+		list($f1, $f2, $f3, $f4) = explode('.', trim($netmask));
+		$bin = str_pad(decbin($f1), 8, '0', STR_PAD_LEFT).str_pad(decbin($f2), 8, '0', STR_PAD_LEFT).str_pad(decbin($f3), 8, '0', STR_PAD_LEFT).str_pad(decbin($f4), 8, '0', STR_PAD_LEFT);
+		$parts = explode('0', $bin);
+		return substr_count($parts[0], '1');
+	}
+
+	function network($ip, $netmask){
+		$netmask = $this->netmask($netmask);
+		list($f1, $f2, $f3, $f4) = explode('.', $netmask);
+		$netmask_bin = str_pad(decbin($f1), 8, '0', STR_PAD_LEFT).str_pad(decbin($f2), 8, '0', STR_PAD_LEFT).str_pad(decbin($f3), 8, '0', STR_PAD_LEFT).str_pad(decbin($f4), 8, '0', STR_PAD_LEFT);
+		list($f1, $f2, $f3, $f4) = explode('.', $ip);
+		$ip_bin = str_pad(decbin($f1), 8, '0', STR_PAD_LEFT).str_pad(decbin($f2), 8, '0', STR_PAD_LEFT).str_pad(decbin($f3), 8, '0', STR_PAD_LEFT).str_pad(decbin($f4), 8, '0', STR_PAD_LEFT);
+		for($i=0;$i<32;$i++){
+			$network_bin .= substr($netmask_bin, $i, 1) * substr($ip_bin, $i, 1);
+		}
+		$network_bin = wordwrap($network_bin, 8, '.', 1);
+		list($f1, $f2, $f3, $f4) = explode('.', trim($network_bin));
+		return bindec($f1).'.'.bindec($f2).'.'.bindec($f3).'.'.bindec($f4);
+	}
+
+
+
+
+
+	/**
+	 * Make a broadcast address from an IP number in combination with netmask
+	 *
+	 */
+	function broadcast($ip, $netmask){
+		$netmask = $this->netmask($netmask);
+		$binary_netmask = $this->binary_netmask($netmask);
+		list($f1, $f2, $f3, $f4) = explode('.', $ip);
+		$ip_bin = str_pad(decbin($f1), 8, '0', STR_PAD_LEFT).str_pad(decbin($f2), 8, '0', STR_PAD_LEFT).str_pad(decbin($f3), 8, '0', STR_PAD_LEFT).str_pad(decbin($f4), 8, '0', STR_PAD_LEFT);
+		$broadcast_bin = str_pad(substr($ip_bin, 0, $binary_netmask), 32, '1', STR_PAD_RIGHT);
+		$broadcast_bin = wordwrap($broadcast_bin, 8, '.', 1);
+		list($f1, $f2, $f3, $f4) = explode('.', trim($broadcast_bin));
+		return bindec($f1).'.'.bindec($f2).'.'.bindec($f3).'.'.bindec($f4);
+	}
+
+
+
+
+
+	/**
+	 * Get the network address information
+	 *
+	 */
+	function network_info(){
+		$dist = $this->server_conf['dist'];
+		ob_start();
+		passthru('ifconfig');
+		$output = ob_get_contents();
+		ob_end_clean();
+		$lines = explode("\n", $output);
+		foreach($lines as $line){
+			$elms = explode(' ', $line);
+			if(trim($elms[0]) != '' && substr($elms[0], 0, 1) != "\t"){
+				$elms[0] = trim($elms[0]);
+				if(strstr($dist, 'freebsd')) $elms[0] = substr($elms[0], 0, -1);
+				$interfaces[] = $elms[0];
+			}
+		}
+		if(!empty($interfaces)){
+			foreach($interfaces as $interface){
+				ob_start();
+				if(!strstr($dist, 'freebsd')){
+					passthru('ifconfig '.$interface." | grep -iw 'inet' | cut -f2 -d: | cut -f1 -d' '");
+				} else {
+					passthru('ifconfig '.$interface." | grep -iw 'inet' | grep -iv 'inet6' | cut -f2 -d' '");
+				}
+				$output = trim(ob_get_contents());
+				ob_end_clean();
+				if($output != ''){
+					$ifconfig['INTERFACE'][$interface] = $output;
+					$ifconfig['IP'][$output] = $interface;
+				}
+			}
+			if(!empty($ifconfig)){
+				return $ifconfig;
+			} else {
+				return false;
+			}
+		} else {
+			return false;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Configure the network settings from the system
+	 *
+	 */
+	function network_config(){
+		$ifconfig = $this->network_info();
+		if($ifconfig){
+			$main_interface = $ifconfig['IP'][$this->server_conf['server_ip']];
+			if(strstr($main_interface, ':')){
+				$parts = explode(':', $main_interface);
+				$main_interface = trim($parts[0]);
+			}
+			if($main_interface != ''){
+				$ips = $this->data['isp_server_ip'];
+				if(!empty($ips)){
+					foreach($ips as $ip){
+						if(!isset($ifconfig['IP'][$ip['server_ip']])){
+							$to_set[] = $ip['server_ip'];
+						} else {
+							unset($ifconfig['IP'][$ip['server_ip']]);
+						}
+					}
+					if(!empty($ifconfig['IP'])){
+						foreach($ifconfig['IP'] as $key => $val){
+							if(!strstr($val, 'lo') && !strstr($val, 'lp') && strstr($val, $main_interface)){
+								exec('ifconfig '.$val.' down &> /dev/null');
+								unset($ifconfig['INTERFACE'][$val]);
+							}
+						}
+					}
+					if(!empty($to_set)){
+						foreach($to_set as $to){
+							$i = 0;
+							while($i >= 0){
+								if(isset($ifconfig['INTERFACE'][$main_interface.':'.$i])){
+									$i++;
+								} else {
+									$new_interface = $main_interface.':'.$i;
+									$i = -1;
+								}
+							}
+							exec('ifconfig '.$new_interface.' '.$to.' netmask '.$this->server_conf['server_netzmaske'].' up &> /dev/null');
+							$ifconfig['INTERFACE'][$new_interface] = $to;
+						}
+					}
+				}
+			}
+		}
+	}
+
+	function quota_dirs(){
+		global $app;
+		$content = $app->file->unix_nl($app->file->no_comments('/etc/fstab'));
+		$lines = explode("\n", $content);
+		foreach($lines as $line){
+			$line = trim($line);
+			if($line != ''){
+				$elms = explode("\t", $line);
+				foreach($elms as $elm){
+					if(trim($elm) != '') $f[] = $elm;
+				}
+				if(!empty($f) && stristr($f[3], 'userquota') && stristr($f[3], 'groupquota')){
+					$q_dirs[] = trim($f[1]);
+				}
+				unset($f);
+			}
+		}
+		if(!empty($q_dirs)){
+			return $q_dirs;
+		} else {
+			return false;
+		}
+	}
+
+
+
+
+
+	/**
+	 * Scan the trash for virusses infection
+	 *
+	 */
+	function make_trashscan(){
+		global $app;
+		//trashscan erstellen
+		// Template Öffnen
+		$app->tpl->clear_all();
+		$app->tpl->define( array(table    => 'trashscan.master'));
+
+		if(!isset($this->server_conf['virusadmin']) || trim($this->server_conf['virusadmin']) == '') $this->server_conf['virusadmin'] = 'admispconfig@localhost';
+		if(substr($this->server_conf['virusadmin'], 0, 1) == '#'){
+			$notify = 'no';
+		} else {
+			$notify = 'yes';
+		}
+
+		// Variablen zuweisen
+		$app->tpl->assign( array(VIRUSADMIN => $this->server_conf['virusadmin'],
+				NOTIFICATION => $notify));
+
+		$app->tpl->parse(TABLE, table);
+
+		$trashscan_text = $app->tpl->fetch();
+
+		$datei = '/home/admispconfig/ispconfig/tools/clamav/bin/trashscan';
+		$app->file->wf($datei, $trashscan_text);
+
+		chmod($datei, 0755);
+		chown($datei, 'admispconfig');
+		chgrp($datei, 'admispconfig');
+	}
+
+
+
+
+
+	/**
+	 * Get the current time
+	 *
+	 */
+	function get_time(){
+		$addr = 'http://www.ispconfig.org/';
+		$timeout = 1;
+		$url_parts = parse_url($addr);
+		$path = $url_parts['path'];
+		$port = 80;
+		$urlHandle = @fsockopen($url_parts['host'], $port, $errno, $errstr, $timeout);
+		if ($urlHandle){
+			socket_set_timeout($urlHandle, $timeout);
+
+			$urlString = 'GET '.$path." HTTP/1.0\r\nHost: ".$url_parts['host']."\r\nConnection: Keep-Alive\r\nUser-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)\r\n";
+			if ($user) $urlString .= 'Authorization: Basic '.base64_encode($user.':'.$pass)."\r\n";
+			$urlString .= "\r\n";
+			fputs($urlHandle, $urlString);
+
+			$month['Jan'] = '01';
+			$month['Feb'] = '02';
+			$month['Mar'] = '03';
+			$month['Apr'] = '04';
+			$month['May'] = '05';
+			$month['Jun'] = '06';
+			$month['Jul'] = '07';
+			$month['Aug'] = '08';
+			$month['Sep'] = '09';
+			$month['Oct'] = '10';
+			$month['Nov'] = '11';
+			$month['Dec'] = '12';
+			$c = 0;
+			$l = 0;
+			$startzeit = time();
+			while(!feof($urlHandle) && $c < 2 && $l == 0){
+				$line = trim(fgets($urlHandle, 128));
+				$response .= $line;
+				$c = time() - $startzeit;
+				if($line == '' || substr($line, 0, 5) == 'Date:') $l += 1; // nur den Header auslesen
+				if(substr($line, 0, 5) == 'Date:'){
+					$parts = explode(' ', $line);
+					$tag = $parts[2];
+					$monat = $month[$parts[3]];
+					$jahr = $parts[4];
+					list($stunde, $minute, $sekunde) = explode(':', $parts[5]);
+					$timestamp = mktime($stunde, $minute, $sekunde, $monat, $tag, $jahr);
+				}
+			}
+
+			@fclose($urlHandle);
+
+			return $timestamp;
+		} else {
+			@fclose($urlHandle);
+			return false;
+		}
+	}
+
+	function replaceLine($filename, $search_pattern, $new_line, $strict = 0, $append = 1) {
+		global $app;
+		if($this->checkpath($filename) == false) {
+			$app->log("Action aborted, file is a symlink: $filename", LOGLEVEL_WARN);
+			return false;
+		}
+		$lines = @file($filename);
+		$out = '';
+		$found = 0;
+		if(is_array($lines)) {
+			foreach($lines as $line) {
+				if($strict == 0) {
+					if(stristr($line, $search_pattern)) {
+						$out .= $new_line."\n";
+						$found = 1;
+					} else {
+						$out .= $line;
+					}
+				} else {
+					if(trim($line) == $search_pattern) {
+						$out .= $new_line."\n";
+						$found = 1;
+					} else {
+						$out .= $line;
+					}
+				}
+			}
+		}
+
+		if($found == 0) {
+			//* add \n if the last line does not end with \n or \r
+			if(substr($out, -1) != "\n" && substr($out, -1) != "\r" && filesize($filename) > 0) $out .= "\n";
+			//* add the new line at the end of the file
+			if($append == 1) {
+				$out .= $new_line."\n";
+			}
+		}
+		file_put_contents($filename, $out);
+	}
+
+	function removeLine($filename, $search_pattern, $strict = 0) {
+		global $app;
+		if($this->checkpath($filename) == false) {
+			$app->log("Action aborted, file is a symlink: $filename", LOGLEVEL_WARN);
+			return false;
+		}
+		if($lines = @file($filename)) {
+			$out = '';
+			foreach($lines as $line) {
+				if($strict == 0) {
+					if(!stristr($line, $search_pattern)) {
+						$out .= $line;
+					}
+				} else {
+					if(!trim($line) == $search_pattern) {
+						$out .= $line;
+					}
+				}
+			}
+			file_put_contents($filename, $out);
+		}
+	}
+
+	function maildirmake($maildir_path, $user = '', $subfolder = '', $group = '') {
+
+		global $app, $conf;
+		
+		// load the server configuration options
+		$app->uses("getconf");
+		$mail_config = $app->getconf->get_server_config($conf["server_id"], 'mail');
+
+		if($subfolder != '') {
+			$dir = escapeshellcmd($maildir_path.'/.'.$subfolder);
+		} else {
+			$dir = escapeshellcmd($maildir_path);
+		}
+
+		if(!is_dir($dir)) mkdir($dir, 0700, true);
+
+		if($user != '' && $user != 'root' && $this->is_user($user)) {
+			$user = escapeshellcmd($user);
+			if(is_dir($dir)) $this->chown($dir, $user);
+
+			$chown_mdsub = true;
+		}
+
+		if($group != '' && $group != 'root' && $this->is_group($group)) {
+			$group = escapeshellcmd($group);
+			if(is_dir($dir)) $this->chgrp($dir, $group);
+		
+			$chgrp_mdsub = true;
+		}
+
+		$maildirsubs = array('cur', 'new', 'tmp');
+
+		foreach ($maildirsubs as $mdsub) {
+			if(!is_dir($dir.'/'.$mdsub)) mkdir($dir.'/'.$mdsub, 0700, true);
+			if ($chown_mdsub) chown($dir.'/'.$mdsub, $user);
+			if ($chgrp_mdsub) chgrp($dir.'/'.$mdsub, $group);
+		}
+
+		chmod($dir, 0700);
+
+		/*
+		if($user != '' && $this->is_user($user) && $user != 'root') {
+			$user = escapeshellcmd($user);
+			// I assume that the name of the (vmail group) is the same as the name of the mail user in ISPConfig 3
+			$group = $user;
+			exec("chown $user:$group $dir $dir_cur $dir_new $dir_tmp");
+		}
+		*/
+
+		//* Add the subfolder to the subscriptions and courierimapsubscribed files
+		if($subfolder != '') {
+			
+			// Courier
+			if($mail_config['pop3_imap_daemon'] == 'courier') {
+				if(!is_file($maildir_path.'/courierimapsubscribed')) {
+					$tmp_file = escapeshellcmd($maildir_path.'/courierimapsubscribed');
+					touch($tmp_file);
+					chmod($tmp_file, 0744);
+					chown($tmp_file, 'vmail');
+					chgrp($tmp_file, 'vmail');
+				}
+				$this->replaceLine($maildir_path.'/courierimapsubscribed', 'INBOX.'.$subfolder, 'INBOX.'.$subfolder, 1, 1);
+			}
+
+			// Dovecot
+			if($mail_config['pop3_imap_daemon'] == 'dovecot') {
+				if(!is_file($maildir_path.'/subscriptions')) {
+					$tmp_file = escapeshellcmd($maildir_path.'/subscriptions');
+					touch($tmp_file);
+					chmod($tmp_file, 0744);
+					chown($tmp_file, 'vmail');
+					chgrp($tmp_file, 'vmail');
+				}
+				$this->replaceLine($maildir_path.'/subscriptions', $subfolder, $subfolder, 1, 1);
+			}
+		}
+
+		$app->log('Created Maildir '.$maildir_path.' with subfolder: '.$subfolder, LOGLEVEL_DEBUG);
+
+	}
+
+	//* Function to create directory paths and chown them to a user and group
+	function mkdirpath($path, $mode = 0755, $user = '', $group = '') {
+		$path_parts = explode('/', $path);
+		$new_path = '';
+		if(is_array($path_parts)) {
+			foreach($path_parts as $part) {
+				$new_path .= '/'.$part;
+				if(!@is_dir($new_path)) {
+					$this->mkdir($new_path);
+					$this->chmod($new_path, $mode);
+					if($user != '') $this->chown($new_path, $user);
+					if($group != '') $this->chgrp($new_path, $group);
+				}
+			}
+		}
+
+	}
+
+	//* Check if a application is installed
+	function is_installed($appname) {
+		exec('which '.escapeshellcmd($appname).' 2> /dev/null', $out, $returncode);
+		if(isset($out[0]) && stristr($out[0], $appname) && $returncode == 0) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	function web_folder_protection($document_root, $protect) {
+		global $app, $conf;
+
+		if($this->checkpath($document_root) == false) {
+			$app->log("Action aborted, target is a symlink: $document_root", LOGLEVEL_DEBUG);
+			return false;
+		}
+
+		//* load the server configuration options
+		$app->uses('getconf');
+		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
+
+		if($protect == true && $web_config['web_folder_protection'] == 'y') {
+			//* Add protection
+			if($document_root != '' && $document_root != '/' && strlen($document_root) > 6 && !stristr($document_root, '..')) exec('chattr +i '.escapeshellcmd($document_root));
+		} else {
+			//* Remove protection
+			if($document_root != '' && $document_root != '/' && strlen($document_root) > 6 && !stristr($document_root, '..')) exec('chattr -i '.escapeshellcmd($document_root));
+		}
+	}
+
+	function usermod($username, $uid = 0, $gid = 0, $home = '', $shell = '', $password = '', $login = '') {
+		global $app;
+
+		if($login == '') $login = $username;
+
+		//* Change values in /etc/passwd
+		$passwd_file_array = file('/etc/passwd');
+		if(is_array($passwd_file_array)) {
+			foreach($passwd_file_array as $line) {
+				$line = trim($line);
+				$parts = explode(':', $line);
+				if($parts[0] == $username) {
+					if(trim($login) != '' && trim($login) != trim($username)) $parts[0] = trim($login);
+					if(!empty($uid)) $parts[2] = trim($uid);
+					if(!empty($gid)) $parts[3] = trim($gid);
+					if(trim($home) != '') $parts[5] = trim($home);
+					if(trim($shell) != '') $parts[6] = trim($shell);
+					$new_line = implode(':', $parts);
+					copy('/etc/passwd', '/etc/passwd~');
+					chmod('/etc/passwd~', 0600);
+					$app->uses('system');
+					$app->system->replaceLine('/etc/passwd', $line, $new_line, 1, 0);
+				}
+			}
+			unset($passwd_file_array);
+		}
+
+		//* If username != login, change username in group and gshadow file
+		if($username  != $login) {
+			$group_file_array = file('/etc/group');
+			if(is_array($group_file_array)) {
+				foreach($group_file_array as $line) {
+					$line = trim($line);
+					$parts = explode(':', $line);
+					if(strstr($parts[3], $username)) {
+						$uparts = explode(',', $parts[3]);
+						if(is_array($uparts)) {
+							foreach($uparts as $key => $val) {
+								if($val == $username) $uparts[$key] = $login;
+							}
+						}
+						$parts[3] = implode(',', $uparts);
+						$new_line = implode(':', $parts);
+						copy('/etc/group', '/etc/group~');
+						chmod('/etc/group~', 0600);
+						$app->system->replaceLine('/etc/group', $line, $new_line, 1, 0);
+					}
+				}
+			}
+			unset($group_file_array);
+
+			$gshadow_file_array = file('/etc/gshadow');
+			if(is_array($gshadow_file_array)) {
+				foreach($gshadow_file_array as $line) {
+					$line = trim($line);
+					$parts = explode(':', $line);
+					if(strstr($parts[3], $username)) {
+						$uparts = explode(',', $parts[3]);
+						if(is_array($uparts)) {
+							foreach($uparts as $key => $val) {
+								if($val == $username) $uparts[$key] = $login;
+							}
+						}
+						$parts[3] = implode(',', $uparts);
+						$new_line = implode(':', $parts);
+						copy('/etc/gshadow', '/etc/gshadow~');
+						chmod('/etc/gshadow~', 0600);
+						$app->system->replaceLine('/etc/gshadow', $line, $new_line, 1, 0);
+					}
+				}
+			}
+			unset($group_file_array);
+		}
+
+
+		//* When password or login name has been changed
+		if($password != '' || $username  != $login) {
+			$shadow_file_array = file('/etc/shadow');
+			if(is_array($shadow_file_array)) {
+				foreach($shadow_file_array as $line) {
+					$line = trim($line);
+					$parts = explode(':', $line);
+					if($parts[0] == $username) {
+						if(trim($login) != '' && trim($login) != trim($username)) $parts[0] = trim($login);
+						if(trim($password) != '') $parts[1] = trim($password);
+						$new_line = implode(':', $parts);
+						copy('/etc/shadow', '/etc/shadow~');
+						chmod('/etc/shadow~', 0600);
+						$app->system->replaceLine('/etc/shadow', $line, $new_line, 1, 0);
+					}
+				}
+			}
+			unset($shadow_file_array);
+		}
+	}
+
+	function intval($string, $force_numeric = false) {
+		if(intval($string) == 2147483647) {
+			if($force_numeric == true) return floatval($string);
+			elseif(preg_match('/^([-]?)[0]*([1-9][0-9]*)([^0-9].*)*$/', $string, $match)) return $match[1].$match[2];
+			else return 0;
+		} else {
+			return intval($string);
+		}
+	}
+
+	function is_mounted($mountpoint){
+		//$cmd = 'df 2>/dev/null | grep " '.$mountpoint.'$"';
+		$cmd = 'mount 2>/dev/null | grep " on '.$mountpoint.' type "';
+		exec($cmd, $output, $return_var);
+		return $return_var == 0 ? true : false;
+	}
+
+	function mount_backup_dir($backup_dir, $mount_cmd = '/usr/local/ispconfig/server/scripts/backup_dir_mount.sh'){
+		global $app, $conf;
+		
+		if($this->is_mounted($backup_dir)) return true;
+		
+		$mounted = true;
+		if ( 	is_file($mount_cmd) &&
+				is_executable($mount_cmd) &&
+				fileowner($mount_cmd) === 0
+		) {
+			if (!$this->is_mounted($backup_dir)){
+				exec($mount_cmd);
+				sleep(1);
+				if (!$this->is_mounted($backup_dir)) $mounted = false;
+			}
+		} else $mounted = false;
+		if (!$mounted) {
+			//* send email to admin that backup directory could not be mounted
+			$global_config = $app->getconf->get_global_config('mail');
+			if($global_config['admin_mail'] != ''){
+				$subject = 'Backup directory '.$backup_dir.' could not be mounted';
+				$message = "Backup directory ".$backup_dir." could not be mounted.\n\nThe command\n\n".$mount_cmd."\n\nfailed.";
+				mail($global_config['admin_mail'], $subject, $message);
+			}
+		}
+
+		return $mounted;
+	}
+
+	function umount_backup_dir($backup_dir, $mount_cmd = '/usr/local/ispconfig/server/scripts/backup_dir_umount.sh'){
+		global $app, $conf;
+
+		if ( 	is_file($mount_cmd) &&
+				is_executable($mount_cmd) &&
+				fileowner($mount_cmd) === 0
+		) {
+			if ($this->is_mounted($backup_dir)){
+				exec($mount_cmd);
+				sleep(1);
+			}
+		}
+
+        $unmounted = $this->is_mounted($backup_dir) == 0 ? true : false;
+		if(!$unmounted) {
+			//* send email to admin that backup directory could not be unmounted
+			$global_config = $app->getconf->get_global_config('mail');
+			if($global_config['admin_mail'] != ''){
+				$subject = 'Backup directory '.$backup_dir.' could not be unmounted';
+				$message = "Backup directory ".$backup_dir." could not be unmounted.\n\nThe command\n\n".$mount_cmd."\n\nfailed.";
+				mail($global_config['admin_mail'], $subject, $message);
+			}
+		}
+
+		return $unmounted;
+
+	}
+
+	function _getinitcommand($servicename, $action, $init_script_directory = '', $check_service) {
+		global $conf;
+		// upstart
+		if(is_executable('/sbin/initctl')){
+			exec('/sbin/initctl version 2>/dev/null | /bin/grep -q upstart', $retval['output'], $retval['retval']);
+			if(intval($retval['retval']) == 0) return 'service '.$servicename.' '.$action;
+		}
+
+		// systemd
+		if(is_executable('/bin/systemd') || is_executable('/usr/bin/systemctl')){
+			if ($check_service) {
+				exec("systemctl is-enabled ".$servicename." 2>&1", $out, $ret_val);
+			}
+			if ($ret_val == 0 || !$check_service) {
+				return 'systemctl '.$action.' '.$servicename.'.service';
+			}
+		}
+
+		// sysvinit
+		if($init_script_directory == '') $init_script_directory = $conf['init_scripts'];
+		if(substr($init_script_directory, -1) === '/') $init_script_directory = substr($init_script_directory, 0, -1);
+		if($check_service && is_executable($init_script_directory.'/'.$servicename)) {
+			return $init_script_directory.'/'.$servicename.' '.$action;
+		}
+		if (!$check_service) {
+			return $init_script_directory.'/'.$servicename.' '.$action;
+		}
+	}
+
+	function getinitcommand($servicename, $action, $init_script_directory = '', $check_service=false) {
+		if (is_array($servicename)) {
+			foreach($servicename as $service) {
+				$out = $this->_getinitcommand($service, $action, $init_script_directory, true);
+				if ($out != '') return $out;
+			}
+		} else {
+			return $this->_getinitcommand($servicename, $action, $init_script_directory, $check_service);
+		}
+	}
+
+	function getapacheversion($get_minor = false) {
+		global $app;
+		
+		$cmd = '';
+		if($this->is_installed('apache2ctl')) $cmd = 'apache2ctl -v';
+		elseif($this->is_installed('apachectl')) $cmd = 'apachectl -v';
+		else {
+			$app->log("Could not check apache version, apachectl not found.", LOGLEVEL_WARN);
+			return '2.2';
+		}
+		
+		exec($cmd, $output, $return_var);
+		if($return_var != 0 || !$output[0]) {
+			$app->log("Could not check apache version, apachectl did not return any data.", LOGLEVEL_WARN);
+			return '2.2';
+		}
+		
+		if(preg_match('/version:\s*Apache\/(\d+)(\.(\d+)(\.(\d+))*)?(\D|$)/i', $output[0], $matches)) {
+			return $matches[1] . (isset($matches[3]) ? '.' . $matches[3] : '') . (isset($matches[5]) && $get_minor == true ? '.' . $matches[5] : '');
+		} else {
+			$app->log("Could not check apache version, did not find version string in apachectl output.", LOGLEVEL_WARN);
+			return '2.2';
+		}
+	}
+
+	function getapachemodules() {
+		global $app;
+		
+		$cmd = '';
+		if($this->is_installed('apache2ctl')) $cmd = 'apache2ctl -t -D DUMP_MODULES';
+		elseif($this->is_installed('apachectl')) $cmd = 'apachectl -t -D DUMP_MODULES';
+		else {
+			$app->log("Could not check apache modules, apachectl not found.", LOGLEVEL_WARN);
+			return array();
+		}
+		
+		exec($cmd . ' 2>/dev/null', $output, $return_var);
+		if($return_var != 0 || !$output[0]) {
+			$app->log("Could not check apache modules, apachectl did not return any data.", LOGLEVEL_WARN);
+			return array();
+		}
+		
+		$modules = array();
+		for($i = 0; $i < count($output); $i++) {
+			if(preg_match('/^\s*(\w+)\s+\((shared|static)\)\s*$/', $output[$i], $matches)) {
+				$modules[] = $matches[1];
+			}
+		}
+		
+		return $modules;
+	}
+	
+	//* ISPConfig mail function
+	public function mail($to, $subject, $text, $from, $filepath = '', $filetype = 'application/pdf', $filename = '', $cc = '', $bcc = '', $from_name = '') {
+		global $app, $conf;
+
+		if($conf['demo_mode'] == true) $app->error("Mail sending disabled in demo mode.");
+
+		$app->uses('getconf,ispcmail');
+		$mail_config = $app->getconf->get_global_config('mail');
+		if($mail_config['smtp_enabled'] == 'y') {
+			$mail_config['use_smtp'] = true;
+			$app->ispcmail->setOptions($mail_config);
+		}
+		$app->ispcmail->setSender($from, $from_name);
+		$app->ispcmail->setSubject($subject);
+		$app->ispcmail->setMailText($text);
+
+		if($filepath != '') {
+			if(!file_exists($filepath)) $app->error("Mail attachement does not exist ".$filepath);
+			$app->ispcmail->readAttachFile($filepath);
+		}
+
+		if($cc != '') $app->ispcmail->setHeader('Cc', $cc);
+		if($bcc != '') $app->ispcmail->setHeader('Bcc', $bcc);
+
+		$app->ispcmail->send($to);
+		$app->ispcmail->finish();
+		
+		return true;
+	}
+	
+	public function is_allowed_user($username, $check_id = true, $restrict_names = false) {
+		global $app;
+		
+		$name_blacklist = array('root','ispconfig','vmail','getmail');
+		if(in_array($username,$name_blacklist)) return false;
+		
+		if(preg_match('/^[a-zA-Z0-9\.\-_]{1,32}$/', $username) == false) return false;
+		
+		if($check_id && intval($this->getuid($username)) < $this->min_uid) return false;
+		
+		if($restrict_names == true && preg_match('/^web\d+$/', $username) == false) return false;
+		
+		return true;
+	}
+	
+	public function is_allowed_group($groupname, $check_id = true, $restrict_names = false) {
+		global $app;
+		
+		$name_blacklist = array('root','ispconfig','vmail','getmail');
+		if(in_array($groupname,$name_blacklist)) return false;
+		
+		if(preg_match('/^[a-zA-Z0-9\.\-_]{1,32}$/', $groupname) == false) return false;
+		
+		if($check_id && intval($this->getgid($groupname)) < $this->min_gid) return false;
+		
+		if($restrict_names == true && preg_match('/^client\d+$/', $groupname) == false) return false;
+		
+		return true;
+	}
+	
 }
 
-function hostname(){
-  $dist = $this->server_conf["dist"];
-
-  ob_start();
-  passthru("hostname");
-  $hostname = ob_get_contents();
-  ob_end_clean();
-  $hostname = trim($hostname);
-  ob_start();
-  if(!strstr($dist, "freebsd")){
-    passthru("dnsdomainname");
-  } else {
-    passthru("domainname");
-  }
-  $domainname = ob_get_contents();
-  ob_end_clean();
-  $domainname = trim($domainname);
-  if($domainname != ""){
-    if(!strstr($hostname, $domainname)) $hostname .= ".".$domainname;
-  }
-  return $hostname;
-}
-
-function adduser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort = '*'){
-  global $app;
-  if($this->is_user($user_username)){
-    return false;
-  } else {
-          if(trim($user_username) != '') {
-                $user_datei = $this->server_conf["passwd_datei"];
-            $shadow_datei = $this->server_conf["shadow_datei"];
-            $shell = realpath($shell);
-            if(trim($passwort) == "") $passwort = '*';
-            $new_user = "\n$user_username:x:$uid:$gid:$username:$homedir:$shell\n";
-                $app->log->msg("USER: $new_user");
-            $app->file->af($user_datei, $new_user);
-            if($shadow_datei == "/etc/shadow"){
-                      $datum = time();
-                      $tage = floor($datum/86400);
-                      $new_passwd = "\n$user_username:$passwort:$tage:0:99999:7:::\n";
-            } else {
-                      $new_passwd = "\n$user_username:$passwort:$uid:$gid::0:0:$username:$homedir:$shell\n";
-            }
-            $app->file->af($shadow_datei, $new_passwd);
-
-                // TB: leere Zeilen entfernen
-                $app->file->remove_blank_lines($shadow_datei);
-                $app->file->remove_blank_lines($user_datei);
-            // TB: user Sortierung deaktiviert
-                //$this->order_users_groups();
-            if($shadow_datei != "/etc/shadow"){
-                      $app->file->af($shadow_datei, "\n");
-
-                        // TB: leere Zeilen entfernen
-                        $app->file->remove_blank_lines($shadow_datei);
-
-                      $app->log->caselog("pwd_mkdb $shadow_datei &> /dev/null", $this->FILE, __LINE__);
-            }
-
-            return true;
-        }
-  }
-}
-
-function updateuser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort = '*'){
-  $this->deluser($user_username);
-  $this->adduser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort);
-}
-
-function deactivateuser($user_username){
-  $passwort = str_rot13($this->getpasswd($user_username));
-  $user_attr = $this->get_user_attributes($user_username);
-  $uid = $user_attr["uid"];
-  $gid = $user_attr["gid"];
-  $username = $user_attr["name"];
-  $homedir = $user_attr["homedir"];
-  $shell = "/dev/null";
-  $this->deluser($user_username);
-  $this->adduser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort);
-}
-
-function deluser($user_username){
-  global $app;
-  if($this->is_user($user_username)){
-    $user_datei = $this->server_conf["passwd_datei"];
-    $shadow_datei = $this->server_conf["shadow_datei"];
-    $users = $app->file->rf($user_datei);
-    $lines = explode("\n", $users);
-    if(is_array($lines)){
-      $num_lines = sizeof($lines);
-      for($i=0;$i<$num_lines;$i++){
-        if(trim($lines[$i]) != ""){
-          list($f1,) = explode(":", $lines[$i]);
-          if($f1 != $user_username) $new_lines[] = $lines[$i];
-        }
-      }
-      $new_users = implode("\n", $new_lines);
-      $app->file->wf($user_datei, $new_users);
-      unset($new_lines);
-      unset($lines);
-      unset($new_users);
-    }
-    $app->file->remove_blank_lines($user_datei);
-
-    $passwds = $app->file->rf($shadow_datei);
-    $lines = explode("\n", $passwds);
-    if(is_array($lines)){
-      $num_lines = sizeof($lines);
-      for($i=0;$i<$num_lines;$i++){
-        if(trim($lines[$i]) != ""){
-          list($f1,) = explode(":", $lines[$i]);
-          if($f1 != $user_username) $new_lines[] = $lines[$i];
-        }
-      }
-      $new_passwds = implode("\n", $new_lines);
-      $app->file->wf($shadow_datei, $new_passwds);
-      unset($new_lines);
-      unset($lines);
-      unset($new_passwds);
-    }
-    $app->file->remove_blank_lines($shadow_datei);
-
-    $group_file = $app->file->rf($this->server_conf["group_datei"]);
-    $group_file_lines = explode("\n", $group_file);
-    foreach($group_file_lines as $group_file_line){
-      if(trim($group_file_line) != ""){
-        list($f1, $f2, $f3, $f4) = explode(":", $group_file_line);
-        $group_users = explode(",", str_replace(" ", "", $f4));
-        if(in_array($user_username, $group_users)){
-          $g_users = array();
-          foreach($group_users as $group_user){
-            if($group_user != $user_username) $g_users[] = $group_user;
-          }
-          $f4 = implode(",", $g_users);
-        }
-        $new_group_file[] = $f1.":".$f2.":".$f3.":".$f4;
-      }
-    }
-    $new_group_file = implode("\n", $new_group_file);
-    $app->file->wf($this->server_conf["group_datei"], $new_group_file);
-    // TB: auskommentiert
-        //$this->order_users_groups();
-
-    if($shadow_datei != "/etc/shadow"){
-      $app->file->af($shadow_datei, "\n");
-      $app->log->caselog("pwd_mkdb $shadow_datei &> /dev/null", $this->FILE, __LINE__);
-    }
-    return true;
-  } else {
-    return false;
-  }
-}
-
-function addgroup($group, $gid, $members = ''){
-  global $app;
-  if($this->is_group($group)){
-    return false;
-  } else {
-    $group_datei = $this->server_conf["group_datei"];
-    $shadow_datei = $this->server_conf["shadow_datei"];
-    $new_group = "\n$group:x:$gid:$members\n";
-    $app->file->af($group_datei, $new_group);
-
-        // TB: auskommentiert
-        //$this->order_users_groups();
-    if($shadow_datei != "/etc/shadow"){
-      $app->log->caselog("pwd_mkdb $shadow_datei &> /dev/null", $this->FILE, __LINE__);
-    }
-    return true;
-  }
-}
-
-function updategroup($group, $gid, $members = ''){
-  $this->delgroup($group);
-  $this->addgroup($group, $gid, $members);
-}
-
-function delgroup($group){
-  global $app;
-  if($this->is_group($group)){
-    $group_datei = $this->server_conf["group_datei"];
-    $shadow_datei = $this->server_conf["shadow_datei"];
-    $groups = $app->file->rf($group_datei);
-    $lines = explode("\n", $groups);
-    if(is_array($lines)){
-      $num_lines = sizeof($lines);
-      for($i=0;$i<$num_lines;$i++){
-        if(trim($lines[$i]) != ""){
-          list($f1,) = explode(":", $lines[$i]);
-          if($f1 != $group) $new_lines[] = $lines[$i];
-        }
-      }
-      $new_groups = implode("\n", $new_lines);
-      $app->file->wf($group_datei, $new_groups);
-      unset($new_lines);
-      unset($lines);
-      unset($new_groups);
-    }
-        // TB: auskommentiert
-    //$this->order_users_groups();
-    if($shadow_datei != "/etc/shadow"){
-      $app->log->caselog("pwd_mkdb $shadow_datei &> /dev/null", $this->FILE, __LINE__);
-    }
-    return true;
-  } else {
-    return false;
-  }
-}
-
-function order_users_groups(){
-  global $app;
-  $user_datei = $this->server_conf["passwd_datei"];
-  $shadow_datei = $this->server_conf["shadow_datei"];
-  $group_datei = $this->server_conf["group_datei"];
-
-  $groups = $app->file->no_comments($group_datei);
-  $lines = explode("\n", $groups);
-  if(is_array($lines)){
-    foreach($lines as $line){
-      if(trim($line) != ""){
-        list($f1, $f2, $f3, $f4) = explode(":", $line);
-        $arr[$f3] = $line;
-      }
-    }
-  }
-  ksort($arr);
-  reset($arr);
-  if($shadow_datei != "/etc/shadow"){
-    $app->file->wf($group_datei, $app->file->remove_blank_lines(implode("\n", $arr), 0)."\n");
-  }else {
-    $app->file->wf($group_datei, $app->file->remove_blank_lines(implode("\n", $arr), 0));
-  }
-  unset($arr);
-
-  $users = $app->file->no_comments($user_datei);
-  $lines = explode("\n", $users);
-  if(is_array($lines)){
-    foreach($lines as $line){
-      if(trim($line) != ""){
-        list($f1, $f2, $f3,) = explode(":", $line);
-        if($f1 != "toor"){
-          $arr[$f3] = $line;
-        } else {
-          $arr[70000] = $line;
-        }
-      }
-    }
-  }
-  ksort($arr);
-  reset($arr);
-  $app->file->wf($user_datei, $app->file->remove_blank_lines(implode("\n", $arr), 0));
-  unset($arr);
-
-  $passwds = $app->file->no_comments($shadow_datei);
-  $lines = explode("\n", $passwds);
-  if(is_array($lines)){
-    foreach($lines as $line){
-      if(trim($line) != ""){
-        list($f1, $f2, $f3,) = explode(":", $line);
-        if($f1 != "toor"){
-          $uid = $this->getuid($f1);
-          if(!is_bool($uid)) $arr[$uid] = $line;
-        } else {
-          $arr[70000] = $line;
-        }
-      }
-    }
-  }
-  ksort($arr);
-  reset($arr);
-  $app->file->wf($shadow_datei, $app->file->remove_blank_lines(implode("\n", $arr), 0));
-  unset($arr);
-}
-
-function find_uid_gid($min, $max){
-  global $app;
-  if($min < $max && $min >= 0 && $max >= 0 && $min <= 65536 && $max <= 65536 && is_int($min) && is_int($max)){
-    for($i=$min;$i<=$max;$i++){
-      $uid_arr[$i] = $gid_arr[$i] = 1;
-    }
-    $user_datei = $this->server_conf["passwd_datei"];
-    $group_datei = $this->server_conf["group_datei"];
-
-    $users = $app->file->no_comments($user_datei);
-    $lines = explode("\n", $users);
-    if(is_array($lines)){
-      foreach($lines as $line){
-        if(trim($line) != ""){
-          list($f1, $f2, $f3, $f4, $f5, $f6, $f7) = explode(":", $line);
-          if($f3 >= $min && $f3 <= $max) unset($uid_arr[$f3]);
-        }
-      }
-      if(!empty($uid_arr)){
-        foreach($uid_arr as $key => $val){
-          $uids[] = $key;
-        }
-        $min_uid = min($uids);
-        unset($uid_arr);
-      } else {
-        return false;
-      }
-    }
-
-    $groups = $app->file->no_comments($group_datei);
-    $lines = explode("\n", $groups);
-    if(is_array($lines)){
-      foreach($lines as $line){
-        if(trim($line) != ""){
-          list($f1, $f2, $f3, $f4) = explode(":", $line);
-          if($f3 >= $min && $f3 <= $max) unset($gid_arr[$f3]);
-        }
-      }
-      if(!empty($gid_arr)){
-        foreach($gid_arr as $key => $val){
-          $gids[] = $key;
-        }
-        $min_gid = min($gids);
-        unset($gid_arr);
-      } else {
-        return false;
-      }
-    }
-
-    $result = array_intersect($uids, $gids);
-    $new_id = (max($result));
-    unset($uids);
-    unset($gids);
-    unset($result);
-    if($new_id <= $max){
-      return $new_id;
-    } else {
-      return false;
-    }
-  } else {
-    return false;
-  }
-}
-
-function is_user($user){
-  global $app;
-  $user_datei = $this->server_conf["passwd_datei"];
-  $users = $app->file->no_comments($user_datei);
-  $lines = explode("\n", $users);
-  if(is_array($lines)){
-    foreach($lines as $line){
-      if(trim($line) != ""){
-        list($f1, $f2, $f3, $f4, $f5, $f6, $f7) = explode(":", $line);
-        if($f1 == $user) return true;
-      }
-    }
-  }
-  return false;
-}
-
-function is_group($group){
-  global $app;
-  $group_datei = $this->server_conf["group_datei"];
-  $groups = $app->file->no_comments($group_datei);
-  $lines = explode("\n", $groups);
-  if(is_array($lines)){
-    foreach($lines as $line){
-      if(trim($line) != ""){
-        list($f1, $f2, $f3, $f4) = explode(":", $line);
-        if($f1 == $group) return true;
-      }
-    }
-  }
-  return false;
-}
-
-function root_group(){
-  global $app;
-  $group_datei = $this->server_conf["group_datei"];
-  $groups = $app->file->no_comments($group_datei);
-  $lines = explode("\n", $groups);
-  if(is_array($lines)){
-    foreach($lines as $line){
-      if(trim($line) != ""){
-        list($f1, $f2, $f3, $f4) = explode(":", $line);
-        if($f3 == 0) return $f1;
-      }
-    }
-  }
-  return false;
-}
-
-function get_user_groups($username){
-  global $app;
-  $user_groups = array();
-  $group_datei = $this->server_conf["group_datei"];
-  $groups = $app->file->no_comments($group_datei);
-  $lines = explode("\n", $groups);
-  if(is_array($lines)){
-    foreach($lines as $line){
-      if(trim($line) != ""){
-        list($f1, $f2, $f3, $f4) = explode(":", $line);
-        if(intval($f3) < intval($this->server_conf["groupid_von"]) && trim($f1) != 'users'){
-          $tmp_group_users = explode(',', str_replace(' ', '', $f4));
-          if(in_array($username, $tmp_group_users) && trim($f1) != '') $user_groups[] = $f1;
-          unset($tmp_group_users);
-        }
-      }
-    }
-  }
-  if(!empty($user_groups)) return implode(',', $user_groups);
-  return '';
-}
-
-function getpasswd($user){
-  global $app;
-  if($this->is_user($user)){
-    $shadow_datei = $this->server_conf["shadow_datei"];
-    $passwds = $app->file->no_comments($shadow_datei);
-    $lines = explode("\n", $passwds);
-    if(is_array($lines)){
-      foreach($lines as $line){
-        if(trim($line) != ""){
-          list($f1, $f2,) = explode(":", $line);
-          if($f1 == $user) return $f2;
-        }
-      }
-    }
-  } else {
-    return false;
-  }
-}
-
-function getuid($user){
-  global $app;
-  if($this->is_user($user)){
-    $user_datei = $this->server_conf["passwd_datei"];
-    $users = $app->file->no_comments($user_datei);
-    $lines = explode("\n", $users);
-    if(is_array($lines)){
-      foreach($lines as $line){
-        if(trim($line) != ""){
-          list($f1, $f2, $f3,) = explode(":", $line);
-          if($f1 == $user) return $f3;
-        }
-      }
-    }
-  } else {
-    return false;
-  }
-}
-
-function get_user_attributes($user){
-  global $app;
-  if($this->is_user($user)){
-    $user_datei = $this->server_conf["passwd_datei"];
-    $users = $app->file->no_comments($user_datei);
-    $lines = explode("\n", $users);
-    if(is_array($lines)){
-      foreach($lines as $line){
-        if(trim($line) != ""){
-          list($f1, $f2, $f3, $f4, $f5, $f6, $f7) = explode(":", $line);
-          if($f1 == $user){
-            $user_attr["username"] = $f1;
-            $user_attr["x"] = $f2;
-            $user_attr["uid"] = $f3;
-            $user_attr["gid"] = $f4;
-            $user_attr["name"] = $f5;
-            $user_attr["homedir"] = $f6;
-            $user_attr["shell"] = $f7;
-            return $user_attr;
-          }
-        }
-      }
-    }
-  } else {
-    return false;
-  }
-}
-
-function chown($file, $owner, $group = ''){
-  $owner_change = @chown($file, $owner);
-  if($group != ""){
-    $group_change = @chgrp($file, $group);
-  } else {
-    $group_change = 1;
-  }
-  if($owner_change && $group_change){
-    return true;
-  } else {
-    return false;
-  }
-}
-
-function add_user_to_group($group, $user = 'admispconfig'){
-  global $app;
-  $group_file = $app->file->rf($this->server_conf["group_datei"]);
-  $group_file_lines = explode("\n", $group_file);
-  foreach($group_file_lines as $group_file_line){
-    list($group_name,$group_x,$group_id,$group_users) = explode(":",$group_file_line);
-    if($group_name == $group){
-      $group_users = explode(",", str_replace(" ", "", $group_users));
-      if(!in_array($user, $group_users)){
-        $group_users[] = $user;
-      }
-      $group_users = implode(",", $group_users);
-      if(substr($group_users,0,1) == ",") $group_users = substr($group_users,1);
-      $group_file_line = $group_name.":".$group_x.":".$group_id.":".$group_users;
-    }
-    $new_group_file[] = $group_file_line;
-  }
-  $new_group_file = implode("\n", $new_group_file);
-  $app->file->wf($this->server_conf["group_datei"], $new_group_file);
-  $app->file->remove_blank_lines($this->server_conf["group_datei"]);
-  if($this->server_conf["shadow_datei"] != "/etc/shadow"){
-    $app->log->caselog("pwd_mkdb ".$this->server_conf["shadow_datei"]." &> /dev/null", $this->FILE, __LINE__);
-  }
-}
-
-function usermod($user, $groups){
-  global $app;
-  if($this->is_user($user)){
-    $groups = explode(",", str_replace(" ", "", $groups));
-    $group_file = $app->file->rf($this->server_conf["group_datei"]);
-    $group_file_lines = explode("\n", $group_file);
-    foreach($group_file_lines as $group_file_line){
-      if(trim($group_file_line) != ""){
-        list($f1, $f2, $f3, $f4) = explode(":", $group_file_line);
-        $group_users = explode(",", str_replace(" ", "", $f4));
-        if(!in_array($f1, $groups)){
-          if(in_array($user, $group_users)){
-            $g_users = array();
-            foreach($group_users as $group_user){
-              if($group_user != $user) $g_users[] = $group_user;
-            }
-            $f4 = implode(",", $g_users);
-          }
-        } else {
-          if(!in_array($user, $group_users)){
-            if(trim($group_users[0]) == "") unset($group_users);
-            $group_users[] = $user;
-          }
-          $f4 = implode(",", $group_users);
-        }
-        $new_group_file[] = $f1.":".$f2.":".$f3.":".$f4;
-      }
-    }
-    $new_group_file = implode("\n", $new_group_file);
-    $app->file->wf($this->server_conf["group_datei"], $new_group_file);
-    $app->file->remove_blank_lines($this->server_conf["group_datei"]);
-    if($this->server_conf["shadow_datei"] != "/etc/shadow"){
-      $app->log->caselog("pwd_mkdb ".$this->server_conf["shadow_datei"]." &> /dev/null", $this->FILE, __LINE__);
-    }
-    return true;
-  } else {
-    return false;
-  }
-}
-
-function rc_edit($service, $rl, $action){
-  // $action = "on|off";
-  global $app;
-  $dist_init_scripts = $app->system->server_conf["dist_init_scripts"];
-  $dist_runlevel = $app->system->server_conf["dist_runlevel"];
-  $dist = $app->system->server_conf["dist"];
-  if(trim($dist_runlevel) == ""){ // falls es keine runlevel gibt (FreeBSD)
-    if($action == "on"){
-      @symlink($dist_init_scripts."/".$service, $dist_init_scripts."/".$service.".sh");
-    }
-    if($action == "off"){
-      if(is_link($dist_init_scripts."/".$service.".sh")){
-        unlink($dist_init_scripts."/".$service.".sh");
-      } else {
-        exec("mv -f ".$dist_init_scripts."/".$service.".sh ".$dist_init_scripts."/".$service." &> /dev/null");
-      }
-    }
-  } else { // Linux
-    if(substr($dist, 0,4) == 'suse'){
-      if($action == "on"){
-        exec("chkconfig --add $service &> /dev/null");
-      }
-      if($action == "off"){
-        exec("chkconfig --del $service &> /dev/null");
-      }
-    } else {
-      $runlevels = explode(",", $rl);
-      foreach($runlevels as $runlevel){
-        $runlevel = trim($runlevel);
-        if($runlevel != "" && is_dir($dist_runlevel."/rc".$runlevel.".d")){
-          $handle=opendir($dist_runlevel."/rc".$runlevel.".d");
-          while($file = readdir($handle)){
-            if($file != "." && $file != ".."){
-              $target = @readlink($dist_runlevel."/rc".$runlevel.".d/".$file);
-              if(strstr($file, $service) && strstr($target, $service) && substr($file,0,1) == "S") $ln_arr[$runlevel][] = $dist_runlevel."/rc".$runlevel.".d/".$file;
-            }
-          }
-          closedir($handle);
-        }
-        if($action == "on"){
-          if(!is_array($ln_arr[$runlevel])) @symlink($dist_init_scripts."/".$service, $dist_runlevel."/rc".$runlevel.".d/S99".$service);
-        }
-        if($action == "off"){
-          if(is_array($ln_arr[$runlevel])){
-            foreach($ln_arr[$runlevel] as $link){
-              unlink($link);
-            }
-          }
-        }
-      }
-    }
-  }
-}
-
-function grep($content, $string, $params = ''){
-  global $app;
-  // params: i, v, w
-  $content = $app->file->unix_nl($content);
-  $lines = explode("\n", $content);
-  foreach($lines as $line){
-    if(!strstr($params, 'w')){
-      if(strstr($params, 'i')){
-        if(strstr($params, 'v')){
-          if(!stristr($line, $string)) $find[] = $line;
-        } else {
-          if(stristr($line, $string)) $find[] = $line;
-        }
-      } else {
-        if(strstr($params, 'v')){
-          if(!strstr($line, $string)) $find[] = $line;
-        } else {
-          if(strstr($line, $string)) $find[] = $line;
-        }
-      }
-    } else {
-      if(strstr($params, 'i')){
-        if(strstr($params, 'v')){
-          if(!$app->string->is_word($string, $line, 'i')) $find[] = $line;
-        } else {
-          if($app->string->is_word($string, $line, 'i')) $find[] = $line;
-        }
-      } else {
-        if(strstr($params, 'v')){
-          if(!$app->string->is_word($string, $line)) $find[] = $line;
-        } else {
-          if($app->string->is_word($string, $line)) $find[] = $line;
-        }
-      }
-    }
-  }
-  if(is_array($find)){
-    $ret_val = implode("\n", $find);
-    if(substr($ret_val,-1) != "\n") $ret_val .= "\n";
-    $find = NULL;
-    return $ret_val;
-  } else {
-    return false;
-  }
-}
-
-function cut($content, $field, $delimiter = ':'){
-  global $app;
-  $content = $app->file->unix_nl($content);
-  $lines = explode("\n", $content);
-  foreach($lines as $line){
-    $elms = explode($delimiter, $line);
-    $find[] = $elms[($field-1)];
-  }
-  if(is_array($find)){
-    $ret_val = implode("\n", $find);
-    if(substr($ret_val,-1) != "\n") $ret_val .= "\n";
-    $find = NULL;
-    return $ret_val;
-  } else {
-    return false;
-  }
-}
-
-function cat($file){
-  global $app;
-  return $app->file->rf($file);
-}
-
-function daemon_init($daemon, $action){
-  // $action = start|stop|restart|reload
-  global $app;
-  $dist = $this->server_conf["dist"];
-  $dist_init_scripts = $this->server_conf["dist_init_scripts"];
-  if(!strstr($dist, "freebsd")){
-    $app->log->caselog("$dist_init_scripts/$daemon $action &> /dev/null", $this->FILE, __LINE__);
-  } else {
-    if(is_file($dist_init_scripts."/".$daemon.".sh") || is_link($dist_init_scripts."/".$daemon.".sh")){
-      if($action == "start" || $action == "stop"){
-        $app->log->caselog($dist_init_scripts."/".$daemon.".sh ".$action." &> /dev/null", $this->FILE, __LINE__);
-      } else {
-        $app->log->caselog($dist_init_scripts."/".$daemon.".sh stop &> /dev/null", $this->FILE, __LINE__);
-        sleep(3);
-        $app->log->caselog($dist_init_scripts."/".$daemon.".sh start &> /dev/null", $this->FILE, __LINE__);
-      }
-    } else {
-      if(is_file($dist_init_scripts."/".$daemon) || is_link($dist_init_scripts."/".$daemon)){
-        if($action == "start" || $action == "stop"){
-          $app->log->caselog($dist_init_scripts."/".$daemon." ".$action." &> /dev/null", $this->FILE, __LINE__);
-        } else {
-          $app->log->caselog($dist_init_scripts."/".$daemon." stop &> /dev/null", $this->FILE, __LINE__);
-          sleep(3);
-          $app->log->caselog($dist_init_scripts."/".$daemon." start &> /dev/null", $this->FILE, __LINE__);
-        }
-      } else {
-        if(is_file("/etc/rc.d/".$daemon) || is_link("/etc/rc.d/".$daemon)){
-          if($action == "start" || $action == "stop"){
-            $app->log->caselog("/etc/rc.d/".$daemon." ".$action." &> /dev/null", $this->FILE, __LINE__);
-          } else {
-            $app->log->caselog("/etc/rc.d/".$daemon." stop &> /dev/null", $this->FILE, __LINE__);
-            sleep(3);
-            $app->log->caselog("/etc/rc.d/".$daemon." start &> /dev/null", $this->FILE, __LINE__);
-          }
-        }
-      }
-    }
-  }
-}
-
-function netmask($netmask){
-  list($f1,$f2,$f3,$f4) = explode(".", trim($netmask));
-  $bin = str_pad(decbin($f1),8,"0",STR_PAD_LEFT).str_pad(decbin($f2),8,"0",STR_PAD_LEFT).str_pad(decbin($f3),8,"0",STR_PAD_LEFT).str_pad(decbin($f4),8,"0",STR_PAD_LEFT);
-  $parts = explode("0", $bin);
-  $bin = str_pad($parts[0], 32, "0", STR_PAD_RIGHT);
-  $bin = wordwrap($bin, 8, ".", 1);
-  list($f1,$f2,$f3,$f4) = explode(".", trim($bin));
-  return bindec($f1).".".bindec($f2).".".bindec($f3).".".bindec($f4);
-}
-
-function binary_netmask($netmask){
-  list($f1,$f2,$f3,$f4) = explode(".", trim($netmask));
-  $bin = str_pad(decbin($f1),8,"0",STR_PAD_LEFT).str_pad(decbin($f2),8,"0",STR_PAD_LEFT).str_pad(decbin($f3),8,"0",STR_PAD_LEFT).str_pad(decbin($f4),8,"0",STR_PAD_LEFT);
-  $parts = explode("0", $bin);
-  return substr_count($parts[0], "1");
-}
-
-function network($ip, $netmask){
-  $netmask = $this->netmask($netmask);
-  list($f1,$f2,$f3,$f4) = explode(".", $netmask);
-  $netmask_bin = str_pad(decbin($f1),8,"0",STR_PAD_LEFT).str_pad(decbin($f2),8,"0",STR_PAD_LEFT).str_pad(decbin($f3),8,"0",STR_PAD_LEFT).str_pad(decbin($f4),8,"0",STR_PAD_LEFT);
-  list($f1,$f2,$f3,$f4) = explode(".", $ip);
-  $ip_bin = str_pad(decbin($f1),8,"0",STR_PAD_LEFT).str_pad(decbin($f2),8,"0",STR_PAD_LEFT).str_pad(decbin($f3),8,"0",STR_PAD_LEFT).str_pad(decbin($f4),8,"0",STR_PAD_LEFT);
-  for($i=0;$i<32;$i++){
-    $network_bin .= substr($netmask_bin,$i,1) * substr($ip_bin,$i,1);
-  }
-  $network_bin = wordwrap($network_bin, 8, ".", 1);
-  list($f1,$f2,$f3,$f4) = explode(".", trim($network_bin));
-  return bindec($f1).".".bindec($f2).".".bindec($f3).".".bindec($f4);
-}
-
-function broadcast($ip, $netmask){
-  $netmask = $this->netmask($netmask);
-  $binary_netmask = $this->binary_netmask($netmask);
-  list($f1,$f2,$f3,$f4) = explode(".", $ip);
-  $ip_bin = str_pad(decbin($f1),8,"0",STR_PAD_LEFT).str_pad(decbin($f2),8,"0",STR_PAD_LEFT).str_pad(decbin($f3),8,"0",STR_PAD_LEFT).str_pad(decbin($f4),8,"0",STR_PAD_LEFT);
-  $broadcast_bin = str_pad(substr($ip_bin, 0, $binary_netmask),32,"1",STR_PAD_RIGHT);
-  $broadcast_bin = wordwrap($broadcast_bin, 8, ".", 1);
-  list($f1,$f2,$f3,$f4) = explode(".", trim($broadcast_bin));
-  return bindec($f1).".".bindec($f2).".".bindec($f3).".".bindec($f4);
-}
-
-function network_info(){
-  $dist = $this->server_conf["dist"];
-  ob_start();
-  passthru("ifconfig");
-  $output = ob_get_contents();
-  ob_end_clean();
-  $lines = explode("\n", $output);
-  foreach($lines as $line){
-    $elms = explode(" ", $line);
-    if(trim($elms[0]) != "" && substr($elms[0],0,1) != "\t"){
-      $elms[0] = trim($elms[0]);
-      if(strstr($dist, "freebsd")) $elms[0] = substr($elms[0],0,-1);
-      $interfaces[] = $elms[0];
-    }
-  }
-  if(!empty($interfaces)){
-    foreach($interfaces as $interface){
-      ob_start();
-      if(!strstr($dist, "freebsd")){
-        passthru("ifconfig ".$interface." | grep -iw 'inet' | cut -f2 -d: | cut -f1 -d' '");
-      }else {
-        passthru("ifconfig ".$interface." | grep -iw 'inet' | grep -iv 'inet6' | cut -f2 -d' '");
-      }
-      $output = trim(ob_get_contents());
-      ob_end_clean();
-      if($output != ""){
-        $ifconfig["INTERFACE"][$interface] = $output;
-        $ifconfig["IP"][$output] = $interface;
-      }
-    }
-    if(!empty($ifconfig)){
-      return $ifconfig;
-    } else {
-      return false;
-    }
-  } else {
-    return false;
-  }
-}
-
-function network_config(){
-  $ifconfig = $this->network_info();
-  if($ifconfig){
-    $main_interface = $ifconfig["IP"][$this->server_conf["server_ip"]];
-    if(strstr($main_interface, ":")){
-      $parts = explode(":", $main_interface);
-      $main_interface = trim($parts[0]);
-    }
-    if($main_interface != ""){
-      $ips = $this->data["isp_server_ip"];
-      if(!empty($ips)){
-        foreach($ips as $ip){
-          if(!isset($ifconfig["IP"][$ip["server_ip"]])){
-            $to_set[] = $ip["server_ip"];
-          } else {
-            unset($ifconfig["IP"][$ip["server_ip"]]);
-          }
-        }
-        if(!empty($ifconfig["IP"])){
-          foreach($ifconfig["IP"] as $key => $val){
-            if(!strstr($val, "lo") && !strstr($val, "lp") && strstr($val, $main_interface)){
-              exec("ifconfig ".$val." down &> /dev/null");
-              unset($ifconfig["INTERFACE"][$val]);
-            }
-          }
-        }
-        if(!empty($to_set)){
-         foreach($to_set as $to){
-           $i = 0;
-           while($i >= 0){
-             if(isset($ifconfig["INTERFACE"][$main_interface.":".$i])){
-               $i++;
-             } else {
-               $new_interface = $main_interface.":".$i;
-               $i = -1;
-             }
-           }
-           exec("ifconfig ".$new_interface." ".$to." netmask ".$this->server_conf["server_netzmaske"]." up &> /dev/null");
-           $ifconfig["INTERFACE"][$new_interface] = $to;
-          }
-        }
-      }
-    }
-  }
-}
-
-function quota_dirs(){
-  global $app;
-  $content = $app->file->unix_nl($app->file->no_comments("/etc/fstab"));
-  $lines = explode("\n", $content);
-  foreach($lines as $line){
-    $line = trim($line);
-    if($line != ""){
-      $elms = explode("\t", $line);
-      foreach($elms as $elm){
-        if(trim($elm) != "") $f[] = $elm;
-      }
-      if(!empty($f) && stristr($f[3], "userquota") && stristr($f[3], "groupquota")){
-        $q_dirs[] = trim($f[1]);
-      }
-      unset($f);
-    }
-  }
-  if(!empty($q_dirs)){
-    return $q_dirs;
-  } else {
-    return false;
-  }
-}
-
-function make_trashscan(){
-  global $app;
-  //trashscan erstellen
-  // Template �ffnen
-  $app->tpl->clear_all();
-  $app->tpl->define( array(table    => "trashscan.master"));
-
-  if(!isset($this->server_conf["virusadmin"]) || trim($this->server_conf["virusadmin"]) == "") $this->server_conf["virusadmin"] = "admispconfig@localhost";
-  if(substr($this->server_conf["virusadmin"],0,1) == "#"){
-    $notify = "no";
-  } else {
-    $notify = "yes";
-  }
-
-  // Variablen zuweisen
-  $app->tpl->assign( array(VIRUSADMIN => $this->server_conf["virusadmin"],
-                           NOTIFICATION => $notify));
-
-  $app->tpl->parse(TABLE, table);
-
-  $trashscan_text = $app->tpl->fetch();
-
-  $datei = "/home/admispconfig/ispconfig/tools/clamav/bin/trashscan";
-  $app->file->wf($datei, $trashscan_text);
-
-  exec("chown admispconfig:admispconfig $datei &> /dev/null");
-  exec("chmod 755 $datei");
-}
-
-function get_time(){
-  $addr = "http://www.ispconfig.org/";
-  $timeout = 1;
-  $url_parts = parse_url($addr);
-  $path = $url_parts["path"];
-  $port = 80;
-  $urlHandle = @fsockopen($url_parts["host"], $port, $errno, $errstr, $timeout);
-  if ($urlHandle){
-    socket_set_timeout($urlHandle, $timeout);
-
-    $urlString = "GET $path HTTP/1.0\r\nHost: ".$url_parts["host"]."\r\nConnection: Keep-Alive\r\nUser-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)\r\n";
-    if ($user) $urlString .= "Authorization: Basic ".base64_encode("$user:$pass")."\r\n";
-    $urlString .= "\r\n";
-    fputs($urlHandle, $urlString);
-
-    $month["Jan"] = "01";
-    $month["Feb"] = "02";
-    $month["Mar"] = "03";
-    $month["Apr"] = "04";
-    $month["May"] = "05";
-    $month["Jun"] = "06";
-    $month["Jul"] = "07";
-    $month["Aug"] = "08";
-    $month["Sep"] = "09";
-    $month["Oct"] = "10";
-    $month["Nov"] = "11";
-    $month["Dec"] = "12";
-    $c = 0;
-    $l = 0;
-    $startzeit = time();
-    while(!feof($urlHandle) && $c < 2 && $l == 0){
-      $line = trim(fgets($urlHandle,128));
-      $response .= $line;
-      $c = time() - $startzeit;
-      if($line == "" || substr($line, 0, 5) == "Date:") $l += 1; // nur den Header auslesen
-      if(substr($line, 0, 5) == "Date:"){
-        $parts = explode(" ", $line);
-        $tag = $parts[2];
-        $monat = $month[$parts[3]];
-        $jahr = $parts[4];
-        list($stunde, $minute, $sekunde) = explode(":", $parts[5]);
-        $timestamp = mktime($stunde,$minute,$sekunde,$monat,$tag,$jahr);
-      }
-    }
-
-    @fclose($urlHandle);
-
-    return $timestamp;
-  } else {
-    @fclose($urlHandle);
-    return false;
-  }
-}
-
-}
-?>
\ No newline at end of file
+?>

--
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