system.inc.php 56.3 KB
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<?php
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/*
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Copyright (c) 2007, Till Brehm, projektfarm Gmbh
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All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name of ISPConfig nor the names of its contributors
      may be used to endorse or promote products derived from this software without
      specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

class system{

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	var $FILE = '/root/ispconfig/scripts/lib/classes/ispconfig_system.lib.php';
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	var $server_id;
	var $server_conf;
	var $data;
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	var $min_uid = 500;
	var $min_gid = 500;
	
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	/**
	 * Construct for this class
	 *
	 * @return system
	 */
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	public function __construct(){
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		//global $go_info;
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		//$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';
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	}
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	/**
	 * Get the hostname from the server
	 *
	 * @return string
	 */
	public function hostname(){
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		$dist = $this->server_conf['dist'];
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		ob_start();
		passthru('hostname');
		$hostname = ob_get_contents();
		ob_end_clean();
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		$hostname = trim($hostname);
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		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 $hostname;
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	}
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	/**
	 * Add an user to the system
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	 *
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	 */
	public function adduser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort = '*'){
		global $app;
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		if($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);
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				// TB: leere Zeilen entfernen
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				$app->file->remove_blank_lines($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");
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					// TB: leere Zeilen entfernen
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					$app->file->remove_blank_lines($shadow_datei);
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					$app->log->caselog("pwd_mkdb $shadow_datei &> /dev/null", $this->FILE, __LINE__);
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				}
				return true;
			}
		}
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	}
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	/**
	 * Update users when someone edit it
	 *
	 */
	function updateuser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort = '*'){
		//* First delete the users
		$this->deluser($user_username);
		//* Add the user again
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		$this->adduser($user_username, $uid, $gid, $username, $homedir, $shell, $passwort);
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	}
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	/**
	 * Lock the user
	 *
	 */
	function deactivateuser($user_username){
		$passwort = str_rot13($this->getpasswd($user_username));
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		$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, $passwort);
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	}
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	/**
	 * Delete a user from the system
	 *
	 */
	function deluser($user_username){
		global $app;
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		if($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", $this->FILE, __LINE__);
			}
			return true;
		} else {
			return false;
		}
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	}
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	/**
	 * Add a usergroup to the system
	 *
	 */
	function addgroup($group, $gid, $members = ''){
		global $app;
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		if($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", $this->FILE, __LINE__);
			}
			return true;
		}
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	}
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	/**
	 * Update usersgroup in way to delete and add it again
	 *
	 */
	function updategroup($group, $gid, $members = ''){
		$this->delgroup($group);
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		$this->addgroup($group, $gid, $members);
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	}
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	/**
	 * Delete a usergroup from the system
	 *
	 */
	function delgroup($group){
		global $app;
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		if($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;
		}
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	}
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	/**
	 * Order usergroups
	 *
	 */
	function order_users_groups(){
		global $app;
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		$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);
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	}
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	/**
	 * Find a user / group id
	 *
	 */
	function find_uid_gid($min, $max){
		global $app;
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		if($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 $new_id;
			} else {
				return false;
			}
		} else {
			return false;
		}
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	}
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	/**
	 * Check if the users is really a user into the system
	 *
	 */
	function is_user($user){
		global $app;
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		$user_datei = $this->server_conf['passwd_datei'];
		$users = $app->file->no_comments($user_datei);
		$lines = explode("\n", $users);
		if(is_array($lines)){
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			foreach($lines as $line){
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				if(trim($line) != ''){
					list($f1, $f2, $f3, $f4, $f5, $f6, $f7) = explode(':', $line);
					if($f1 == $user) return true;
				}
			}
		}
		return false;
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	}
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	/**
	 * Check if the group is on this system
	 *
	 */
	function is_group($group){
		global $app;
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		$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 == $group) return true;
				}
			}
		}
		return false;
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	}
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	/*
	// Alternative implementation of the is_group function. Should be faster then the old one To be tested.
	function is_group($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;
	}
	*/
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	function root_group(){
		global $app;
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		$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 $f1;
				}
			}
		}
		return false;
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	}
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	/**
	 * Get the groups of an user
	 *
	 */
	function get_user_groups($username){
		global $app;
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		$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(',', $user_groups);
		return '';
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	}
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	/**
	 * Get a user password
	 *
	 */
	function getpasswd($user){
		global $app;
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		if($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 $f2;
					}
				}
			}
		} else {
			return false;
		}
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	}
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	/**
	 * Get the user from an user id
	 *
	 */
	function getuser($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;
	}





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	/**
	 * Get the user id from an user
	 *
	 */
	function getuid($user){
		global $app;
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		if($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 $f3;
					}
				}
			}
		} else {
			return false;
		}
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	}
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	/**
	 * Get the group from a group id
	 *
	 */
	function getgroup($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;
	}





685 686 687 688 689 690
	/**
	 * Get the group id from an group
	 *
	 */
	function getgid($group){
		global $app;
691 692
		if($this->is_group($group)){
			$group_datei = $this->server_conf['group_datei'];
693 694 695
			$groups = $app->file->no_comments($group_datei);
			$lines = explode("\n", $groups);
			if(is_array($lines)){
696
				foreach($lines as $line){
697 698 699 700 701 702
					if(trim($line) != ""){
						list($f1, $f2, $f3, $f4) = explode(':', $line);
						if($f1 == $group) return $f3;
					}
				}
			}
703 704 705
		} else {
			return false;
		}
706
	}
707 708 709 710 711





712
	/**
713 714 715
	 * Return info about a group by name
	 *
	 */
716 717 718 719 720 721 722 723 724 725 726 727 728 729 730
	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();
			}
731 732 733 734 735
			$group_details = array( 'name' => $group,
				'passwd' => $f2,
				'members' => $members,
				'gid' => $f3);
			return $group_details;
736 737 738
		} else {
			return posix_getgrnam($group);
		}
739 740 741 742 743 744
	}





745 746 747 748 749 750
	/**
	 * Get all information from a user
	 *
	 */
	function get_user_attributes($user){
		global $app;
751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774
		if($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;
		}
775
	}
776 777 778 779 780





781 782 783 784
	/**
	 * Edit the owner of a file
	 *
	 */
785
	function chown($file, $owner, $allow_symlink = false){
786 787 788
		global $app;
		if($allow_symlink == false && $this->checkpath($file) == false) {
			$app->log("Action aborted, file is a symlink: $file", LOGLEVEL_WARN);
789 790
			return false;
		}
791 792 793 794 795 796 797 798
		if(file_exists($file)) {
			if(@chown($file, $owner)) {
				return true;
			} else {
				$app->log("chown failed: $file : $owner", LOGLEVEL_DEBUG);
				return false;
			}
		}
799
	}
800

801
	function chgrp($file, $group = '', $allow_symlink = false){
802 803 804
		global $app;
		if($allow_symlink == false && $this->checkpath($file) == false) {
			$app->log("Action aborted, file is a symlink: $file", LOGLEVEL_WARN);
805 806
			return false;
		}
807 808 809 810 811 812 813 814
		if(file_exists($file)) {
			if(@chgrp($file, $group)) {
				return true;
			} else {
				$app->log("chgrp failed: $file : $group", LOGLEVEL_DEBUG);
				return false;
			}
		}
815
	}
816

817 818
	//* Change the mode of a file
	function chmod($file, $mode, $allow_symlink = false) {
819
		global $app;
820
		if($allow_symlink == false && $this->checkpath($file) == false) {
821
			$app->log("Action aborted, file is a symlink: $file", LOGLEVEL_WARN);
822 823
			return false;
		}
824 825 826
		if(@chmod($file, $mode)) {
			return true;
		} else {
827
			$app->log("chmod failed: $file : $mode", LOGLEVEL_DEBUG);
828 829
			return false;
		}
830
	}
831

832
	function file_put_contents($filename, $data, $allow_symlink = false) {
833
		global $app;
834
		if($allow_symlink == false && $this->checkpath($filename) == false) {
835
			$app->log("Action aborted, file is a symlink: $filename", LOGLEVEL_WARN);
836 837
			return false;
		}
838
		if(file_exists($filename)) unlink($filename);
839 840
		return file_put_contents($filename, $data);
	}
841

842
	function file_get_contents($filename, $allow_symlink = false) {
843
		global $app;
844
		if($allow_symlink == false && $this->checkpath($filename) == false) {
845
			$app->log("Action aborted, file is a symlink: $filename", LOGLEVEL_WARN);
846 847
			return false;
		}
848
		return file_get_contents($filename, $data);
849
	}
850

851
	function rename($filename, $new_filename, $allow_symlink = false) {
852
		global $app;
853
		if($allow_symlink == false && $this->checkpath($filename) == false) {
854
			$app->log("Action aborted, file is a symlink: $filename", LOGLEVEL_WARN);
855 856 857 858
			return false;
		}
		return rename($filename, $new_filename);
	}
859

860
	function mkdir($dirname, $allow_symlink = false, $mode = 0777, $recursive = false) {
861
		global $app;
862
		if($allow_symlink == false && $this->checkpath($dirname) == false) {
863
			$app->log("Action aborted, file is a symlink: $dirname", LOGLEVEL_WARN);
864 865
			return false;
		}
866
		if(@mkdir($dirname, $mode, $recursive)) {
867 868
			return true;
		} else {
869
			$app->log("mkdir failed: $dirname", LOGLEVEL_DEBUG);
870 871
			return false;
		}
872
	}
873

874
	function unlink($filename) {
875
		if(file_exists($filename) || is_link($filename)) {
876 877
			return unlink($filename);
		}
878
	}
879 880 881

	function copy($file1, $file2) {
		return copy($file1, $file2);
882
	}
883

884
	function touch($file, $allow_symlink = false){
885 886 887 888 889
		global $app;
		if($allow_symlink == false && @file_exists($file) && $this->checkpath($file) == false) {
			$this->unlink($file);
		}
		if(@touch($file)) {
890
			return true;
891 892
		} else {
			$app->log("touch failed: $file", LOGLEVEL_DEBUG);
893
			return false;
894
		}
895
	}
896

897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925
	public function create_relative_link($f, $t) {
		global $app;

		// $from already exists
		$from = realpath($f);

		// realpath requires the traced file to exist - so, lets touch it first, then remove
		@$app->system->unlink($t); touch($t);
		$to = realpath($t);
		@$app->system->unlink($t);

		// Remove from the left side matching path elements from $from and $to
		// and get path elements counts
		$a1 = explode('/', $from); $a2 = explode('/', $to);
		for ($c = 0; $a1[$c] == $a2[$c]; $c++) {
			unset($a1[$c]); unset($a2[$c]);
		}
		$cfrom = implode('/', $a1);

		// Check if a path is fully a subpath of another - no way to create symlink in the case
		if (count($a1) == 0 || count($a2) == 0) return false;

		// Add ($cnt_to-1) number of "../" elements to left side of $cfrom
		for ($c = 0; $c < (count($a2)-1); $c++) { $cfrom = '../'.$cfrom; }
		if(strstr($to,'/etc/letsencrypt/archive/')) $to = str_replace('/etc/letsencrypt/archive/','/etc/letsencrypt/live/',$to);

		return symlink($cfrom, $to);
	}

926 927 928
	function checkpath($path) {
		$path = trim($path);
		//* We allow only absolute paths
929 930
		if(substr($path, 0, 1) != '/') return false;

931
		//* We allow only some characters in the path
932
		// * is allowed, for example it is part of wildcard certificates/keys: *.example.com.crt
933
		if(!preg_match('@^/[-a-zA-Z0-9_/.*]{1,}[~]?$@', $path)) return false;
934

935
		//* Check path for symlinks
936
		$path_parts = explode('/', $path);
937 938 939 940 941
		$testpath = '';
		foreach($path_parts as $p) {
			$testpath .= '/'.$p;
			if(is_link($testpath)) return false;
		}
942

943
		return true;
944
	}
945 946


947 948 949 950
	/**
	 * This function checks the free space for a given directory
	 * @param path check path
	 * @param limit min. free space in bytes
951
	 * @return bool - true when the the free space is above limit ohterwise false, opt. available disk-space
952 953
	*/

954
	function check_free_space($path, $limit = 0, &$free_space = 0) {
955 956 957 958 959 960 961 962
		$path = rtrim($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.
        */
963
		while(!is_dir($path) && $path != '/') $path = realpath(dirname($path));
964

965
		$free_space = disk_free_space($out);
966

967 968 969 970
		if (!$free_space) {
			$free_space = 0;
			return false;
		}
971

972
		if ($free_space >= $limit) {
973 974 975 976 977 978
			return true;
		} else {
			return false;
		}

	}
979 980 981



982 983 984 985 986 987
	/**
	 * Add an user to a specific group
	 *
	 */
	function add_user_to_group($group, $user = 'admispconfig'){
		global $app;
988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008
		$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__);
		}
1009
	}
1010

1011
	/*
1012 1013 1014
	function usermod($user, $groups){
		global $app;
	  	if($this->is_user($user)){
1015 1016
		    $groups = explode(',', str_replace(' ', '', $groups));
	    	$group_file = $app->file->rf($this->server_conf['group_datei']);
1017 1018 1019
	    	$group_file_lines = explode("\n", $group_file);
	    	foreach($group_file_lines as $group_file_line){
	      		if(trim($group_file_line) != ""){
1020 1021
	        		list($f1, $f2, $f3, $f4) = explode(':', $group_file_line);
	        		$group_users = explode(',', str_replace(' ', '', $f4));
1022 1023 1024 1025 1026 1027
	        		if(!in_array($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;
	            			}
1028
	            			$f4 = implode(',', $g_users);
1029 1030 1031
	          			}
		        	} else {
	          			if(!in_array($user, $group_users)){
1032
	            			if(trim($group_users[0]) == '') unset($group_users);
1033 1034
	            			$group_users[] = $user;
	          			}
1035
	          			$f4 = implode(',', $group_users);
1036
	        		}
1037
	        		$new_group_file[] = $f1.':'.$f2.':'.$f3.':'.$f4;
1038 1039 1040
	      		}
	    	}
	    	$new_group_file = implode("\n", $new_group_file);
1041 1042 1043 1044
	    	$app->file->wf($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__);
1045 1046 1047
	    	}
	    	return true;
	  	} else {
1048
		    return false;
1049 1050
	  	}
	}
1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113
	*/

	/**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);
							}
						}
					}
				}
			}
		}
	}





1114 1115 1116 1117 1118 1119
	/**
	 * Filter information from the commands
	 *
	 */
	function grep($content, $string, $params = ''){
		global $app;
1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161
		// 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;
		}
1162
	}
1163 1164 1165 1166 1167





1168 1169 1170 1171 1172 1173
	/**
	 * Strip content from fields
	 *
	 */
	function cut($content, $field, $delimiter = ':'){
		global $app;
1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187
		$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;
		}
1188
	}
1189 1190 1191 1192 1193





1194 1195 1196 1197 1198 1199
	/**
	 * Get the content off a file
	 *
	 */
	function cat($file){
		global $app;
1200
		return $app->file->rf($file);
1201
	}
1202 1203 1204 1205 1206





1207 1208 1209 1210 1211 1212
	/**
	 * Control services to restart etc
	 *
	 */
	function daemon_init($daemon, $action){
		//* $action = start|stop|restart|reload
1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248
		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', $this->FILE, __LINE__);
						}
					}
				}
			}
		}
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	}
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	function netmask($netmask){
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		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);
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	}
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	function binary_netmask($netmask){
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		list($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');
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	}
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	function network($ip, $netmask){
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		$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);
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	}
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	/**
	 * Make a broadcast address from an IP number in combination with netmask
	 *
	 */
	function broadcast($ip, $netmask){
		$netmask = $this->netmask($netmask);
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		$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);
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	}
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	/**
	 * Get the network address information
	 *
	 */
	function network_info(){
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		$dist = $this->server_conf['dist'];
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		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;
		}
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	}
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	/**
	 * Configure the network settings from the system
	 *
	 */
	function network_config(){
		$ifconfig = $this->network_info();
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		if($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;
						}
					}
				}
			}
		}
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	}
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	function quota_dirs(){
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		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;
		}
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	}
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	/**
	 * Scan the trash for virusses infection
	 *
	 */
	function make_trashscan(){
		global $app;
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		//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');
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	}
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	/**
	 * Get the current time
	 *
	 */
	function get_time(){
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		$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;
		}
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	}
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	function replaceLine($filename, $search_pattern, $new_line, $strict = 0, $append = 1) {
1528
		global $app;
1529
		if($this->checkpath($filename) == false) {
1530
			$app->log("Action aborted, file is a symlink: $filename", LOGLEVEL_WARN);
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			return false;
		}
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		$lines = @file($filename);
		$out = '';
		$found = 0;
		if(is_array($lines)) {
			foreach($lines as $line) {
				if($strict == 0) {
1539
					if(stristr($line, $search_pattern)) {
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						$out .= $new_line."\n";
						$found = 1;
					} else {
						$out .= $line;
					}
				} else {
					if(trim($line) == $search_pattern) {
						$out .= $new_line."\n";
						$found = 1;
					} else {
						$out .= $line;
					}
				}
			}
		}
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1556 1557
		if($found == 0) {
			//* add \n if the last line does not end with \n or \r
1558
			if(substr($out, -1) != "\n" && substr($out, -1) != "\r" && filesize($filename) > 0) $out .= "\n";
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			//* add the new line at the end of the file
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			if($append == 1) {
				$out .= $new_line."\n";
			}
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		}
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		file_put_contents($filename, $out);
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	}
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	function removeLine($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 .= $line;
					}
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				}
			}
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			file_put_contents($filename, $out);
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		}
	}
1589

Dominik's avatar
Dominik committed
1590
	function maildirmake($maildir_path, $user = '', $subfolder = '', $group = '') {
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		global $app, $conf;
		
		// load the server configuration options
		$app->uses("getconf");
		$mail_config = $app->getconf->get_server_config($conf["server_id"], 'mail');
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1598
		if($subfolder != '') {
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			$dir = escapeshellcmd($maildir_path.'/.'.$subfolder);
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