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		}

		if(is_file('/etc/inetd.conf')) {
			replaceLine('/etc/inetd.conf','/usr/sbin/pure-ftpd-wrapper','#ftp     stream  tcp     nowait  root    /usr/sbin/tcpd /usr/sbin/pure-ftpd-wrapper',0,0);
			if(is_file($conf['init_scripts'].'/'.'openbsd-inetd')) exec($conf['init_scripts'].'/'.'openbsd-inetd restart');
		}

		if(!is_file('/etc/pure-ftpd/conf/DontResolve')) exec('echo "yes" > /etc/pure-ftpd/conf/DontResolve');
	}

	public function configure_mydns() {
		global $conf;

		// configure pam for SMTP authentication agains the ispconfig database
		$configfile = 'mydns.conf';
		if(is_file($conf['mydns']['config_dir'].'/'.$configfile)) copy($conf['mydns']['config_dir'].'/'.$configfile,$conf['mydns']['config_dir'].'/'.$configfile.'~');
		if(is_file($conf['mydns']['config_dir'].'/'.$configfile.'~')) chmod($conf['mydns']['config_dir'].'/'.$configfile.'~', 0400);
		$content = rf('tpl/'.$configfile.'.master');
		$content = str_replace('{mysql_server_ispconfig_user}',$conf['mysql']['ispconfig_user'],$content);
		$content = str_replace('{mysql_server_ispconfig_password}',$conf['mysql']['ispconfig_password'], $content);
		$content = str_replace('{mysql_server_database}',$conf['mysql']['database'],$content);
		$content = str_replace('{mysql_server_host}',$conf['mysql']['host'],$content);
		$content = str_replace('{server_id}',$conf['server_id'],$content);
		wf($conf['mydns']['config_dir'].'/'.$configfile,$content);
		chmod($conf['mydns']['config_dir'].'/'.$configfile, 0600);
		chown($conf['mydns']['config_dir'].'/'.$configfile, 'root');
		chgrp($conf['mydns']['config_dir'].'/'.$configfile, 'root');

	}

	public function configure_powerdns() {
		global $conf;

		//* Create the database
		if(!$this->db->query('CREATE DATABASE IF NOT EXISTS '.$conf['powerdns']['database'].' DEFAULT CHARACTER SET '.$conf['mysql']['charset'])) {
			$this->error('Unable to create MySQL database: '.$conf['powerdns']['database'].'.');
		}

		//* Create the ISPConfig database user in the local database
		$query = "GRANT ALL ON `".$conf['powerdns']['database']."` . * TO '".$conf['mysql']['ispconfig_user']."'@'localhost';";
		if(!$this->db->query($query)) {
			$this->error('Unable to create user for powerdns database Error: '.$this->db->errorMessage);
		}

		//* Reload database privelages
		$this->db->query('FLUSH PRIVILEGES;');

		//* load the powerdns databse dump
		if($conf['mysql']['admin_password'] == '') {
			caselog("mysql --default-character-set=".$conf['mysql']['charset']." -h '".$conf['mysql']['host']."' -u '".$conf['mysql']['admin_user']."' '".$conf['powerdns']['database']."' < '".ISPC_INSTALL_ROOT."/install/sql/powerdns.sql' &> /dev/null",
					__FILE__, __LINE__, 'read in ispconfig3.sql', 'could not read in powerdns.sql');
		} else {
			caselog("mysql --default-character-set=".$conf['mysql']['charset']." -h '".$conf['mysql']['host']."' -u '".$conf['mysql']['admin_user']."' -p'".$conf['mysql']['admin_password']."' '".$conf['powerdns']['database']."' < '".ISPC_INSTALL_ROOT."/install/sql/powerdns.sql' &> /dev/null",
					__FILE__, __LINE__, 'read in ispconfig3.sql', 'could not read in powerdns.sql');
		}

		//* Create the powerdns config file
		$configfile = 'pdns.local';
		if(is_file($conf['powerdns']['config_dir'].'/'.$configfile)) copy($conf['powerdns']['config_dir'].'/'.$configfile,$conf['powerdns']['config_dir'].'/'.$configfile.'~');
		if(is_file($conf['powerdns']['config_dir'].'/'.$configfile.'~')) chmod($conf['powerdns']['config_dir'].'/'.$configfile.'~', 0400);
		$content = rf('tpl/'.$configfile.'.master');
		$content = str_replace('{mysql_server_ispconfig_user}',$conf['mysql']['ispconfig_user'],$content);
		$content = str_replace('{mysql_server_ispconfig_password}',$conf['mysql']['ispconfig_password'], $content);
		$content = str_replace('{powerdns_database}',$conf['powerdns']['database'],$content);
		$content = str_replace('{mysql_server_host}',$conf['mysql']['host'],$content);
		wf($conf['powerdns']['config_dir'].'/'.$configfile,$content);
		chmod($conf['powerdns']['config_dir'].'/'.$configfile, 0600);
		chown($conf['powerdns']['config_dir'].'/'.$configfile, 'root');
		chgrp($conf['powerdns']['config_dir'].'/'.$configfile, 'root');


	}

	public function configure_bind() {
		global $conf;

	    //* Check if the zonefile directory has a slash at the end
	    $content=$conf['bind']['bind_zonefiles_dir'];
	    if(substr($content,-1,1) != '/') {
    	    $content .= '/';
		}

		//* Create the slave subdirectory
	    $content .= 'slave';
	    if(!@is_dir($content)) mkdir($content, 0770, true);

	    //* Chown the slave subdirectory to $conf['bind']['bind_user']
	    chown($content, $conf['bind']['bind_user']);
	    chgrp($content, $conf['bind']['bind_group']);

	}



	public function configure_apache() {
		global $conf;

		//* Create the logging directory for the vhost logfiles
		if(!@is_dir($conf['ispconfig_log_dir'].'/httpd')) mkdir($conf['ispconfig_log_dir'].'/httpd', 0755, true);

		if(is_file('/etc/suphp/suphp.conf')) {
			replaceLine('/etc/suphp/suphp.conf','php=php:/usr/bin','x-httpd-suphp="php:/usr/bin/php-cgi"',0);
			//replaceLine('/etc/suphp/suphp.conf','docroot=','docroot=/var/clients',0);
			replaceLine('/etc/suphp/suphp.conf','umask=0077','umask=0022',0);
		}

		if(is_file('/etc/apache2/sites-enabled/000-default')) {
			replaceLine('/etc/apache2/sites-available/000-default','NameVirtualHost *','NameVirtualHost *:80',1,0);
			replaceLine('/etc/apache2/sites-available/000-default','<VirtualHost *>','<VirtualHost *:80>',1,0);
		}

		if(is_file('/etc/apache2/ports.conf')) {
			// add a line "Listen 443" to ports conf if line does not exist
			replaceLine('/etc/apache2/ports.conf','Listen 443','Listen 443',1);
		}


		//* Copy the ISPConfig configuration include
		$vhost_conf_dir = $conf['apache']['vhost_conf_dir'];
		$vhost_conf_enabled_dir = $conf['apache']['vhost_conf_enabled_dir'];

		// copy('tpl/apache_ispconfig.conf.master',$vhost_conf_dir.'/ispconfig.conf');

		$content = rf('tpl/apache_ispconfig.conf.master');
		$records = $this->db->queryAllRecords('SELECT * FROM '.$conf['mysql']['master_database'].'.server_ip WHERE server_id = '.$conf['server_id']." AND virtualhost = 'y'");
		if(is_array($records) && count($records) > 0) {
			foreach($records as $rec) {
				$content .= 'NameVirtualHost '.$rec['ip_address'].":80\n";
				$content .= 'NameVirtualHost '.$rec['ip_address'].":443\n";
			}
		}
		$content .= "\n";
		wf($vhost_conf_dir.'/ispconfig.conf',$content);

		if(!@is_link($vhost_conf_enabled_dir.'/000-ispconfig.conf')) {
			symlink($vhost_conf_dir.'/ispconfig.conf',$vhost_conf_enabled_dir.'/000-ispconfig.conf');
		}

		//* make sure that webalizer finds its config file when it is directly in /etc
		if(@is_file('/etc/webalizer.conf') && !@is_dir('/etc/webalizer')) {
			mkdir('/etc/webalizer');
			symlink('/etc/webalizer.conf','/etc/webalizer/webalizer.conf');
		}

		if(is_file('/etc/webalizer/webalizer.conf')) {
			// Change webalizer mode to incremental
			replaceLine('/etc/webalizer/webalizer.conf','#IncrementalName','IncrementalName webalizer.current',0,0);
			replaceLine('/etc/webalizer/webalizer.conf','#Incremental','Incremental     yes',0,0);
			replaceLine('/etc/webalizer/webalizer.conf','#HistoryName','HistoryName     webalizer.hist',0,0);
		}
		
		// Check the awsatst script
		if(!is_dir('/usr/share/awstats/tools')) exec('mkdir -p /usr/share/awstats/tools');
		if(!file_exists('/usr/share/awstats/tools/awstats_buildstaticpages.pl') && file_exists('/usr/share/doc/awstats/examples/awstats_buildstaticpages.pl')) symlink('/usr/share/doc/awstats/examples/awstats_buildstaticpages.pl','/usr/share/awstats/tools/awstats_buildstaticpages.pl');
		if(file_exists('/etc/awstats/awstats.conf.local')) replaceLine('/etc/awstats/awstats.conf.local','LogFormat=4','LogFormat=1',0,1);
		
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		//* add a sshusers group
		$command = 'groupadd sshusers';
		if(!is_group('sshusers')) caselog($command.' &> /dev/null 2> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

	}
	
	public function configure_nginx()
	{
		global $conf;
		$row = $this->db->queryOneRecord("SELECT server_name FROM server WHERE server_id = ".$conf["server_id"]."");
		$ip_address = gethostbyname($row["server_name"]);
		$server_name = $row["server_name"];

        //setup proxy.conf
		$configfile = 'proxy.conf';
		if(is_file($conf["nginx"]["config_dir"].'/'.$configfile)) copy($conf["nginx"]["config_dir"].'/'.$configfile,$conf["nginx"]["config_dir"].'/'.$configfile.'~');
		if(is_file($conf["nginx"]["config_dir"].'/'.$configfile.'~')) exec('chmod 400 '.$conf["nginx"]["config_dir"].'/'.$configfile.'~');
		$content = rf("tpl/nginx_".$configfile.".master");
		wf($conf["nginx"]["config_dir"].'/'.$configfile,$content);
		exec('chmod 600 '.$conf["nginx"]["config_dir"].'/'.$configfile);
		exec('chown root:root '.$conf["nginx"]["config_dir"].'/'.$configfile);

        //setup conf.d/cache.conf
        $configfile = 'cache.conf';
		if(is_file($conf["nginx"]["config_dir"].'/conf.d/'.$configfile)) copy($conf["nginx"]["config_dir"].'/conf.d/'.$configfile,$conf["nginx"]["config_dir"].'/conf.d/'.$configfile.'~');
		if(is_file($conf["nginx"]["config_dir"].'/conf.d/'.$configfile.'~')) exec('chmod 400 '.$conf["nginx"]["config_dir"].'/conf.d/'.$configfile.'~');
		$content = rf("tpl/nginx_".$configfile.".master");
		wf($conf["nginx"]["config_dir"].'/conf.d/'.$configfile,$content);
		exec('chmod 600 '.$conf["nginx"]["config_dir"].'/conf.d/'.$configfile);
		exec('chown root:root '.$conf["nginx"]["config_dir"].'/conf.d/'.$configfile);

        //setup cache directories
        mkdir('/var/cache/nginx/cache');
        exec('chown www-data:www-data /var/cache/nginx/cache');
        mkdir('/var/cache/nginx/temp');
        exec('chown www-data:www-data /var/cache/nginx/temp');
	}
	
	public function configure_squid()
	{
		global $conf;
		$row = $this->db->queryOneRecord("SELECT server_name FROM server WHERE server_id = ".$conf["server_id"]."");
		$ip_address = gethostbyname($row["server_name"]);
		$server_name = $row["server_name"];
		
		$configfile = 'squid.conf';
		if(is_file($conf["squid"]["config_dir"].'/'.$configfile)) copy($conf["squid"]["config_dir"].'/'.$configfile,$conf["squid"]["config_dir"].'/'.$configfile.'~');
		if(is_file($conf["squid"]["config_dir"].'/'.$configfile.'~')) exec('chmod 400 '.$conf["squid"]["config_dir"].'/'.$configfile.'~');
		$content = rf("tpl/".$configfile.".master");
		$content = str_replace('{server_name}',$server_name,$content);
		$content = str_replace('{ip_address}',$ip_address, $content);
		$content = str_replace('{config_dir}',$conf['squid']['config_dir'], $content);
		wf($conf["squid"]["config_dir"].'/'.$configfile,$content);
		exec('chmod 600 '.$conf["squid"]["config_dir"].'/'.$configfile);
		exec('chown root:root '.$conf["squid"]["config_dir"].'/'.$configfile);
	}
	
	public function configure_ufw_firewall()
	{
		$configfile = 'ufw.conf';
		if(is_file('/etc/ufw/ufw.conf')) copy('/etc/ufw/ufw.conf','/etc/ufw/ufw.conf~');
		$content = rf("tpl/".$configfile.".master");
		wf('/etc/ufw/ufw.conf',$content);
		exec('chmod 600 /etc/ufw/ufw.conf');
		exec('chown root:root /etc/ufw/ufw.conf');	
	}
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	public function configure_firewall() {
		global $conf;

		$dist_init_scripts = $conf['init_scripts'];

		if(is_dir('/etc/Bastille.backup')) caselog('rm -rf /etc/Bastille.backup', __FILE__, __LINE__);
		if(is_dir('/etc/Bastille')) caselog('mv -f /etc/Bastille /etc/Bastille.backup', __FILE__, __LINE__);
		@mkdir('/etc/Bastille', 0700);
		if(is_dir('/etc/Bastille.backup/firewall.d')) caselog('cp -pfr /etc/Bastille.backup/firewall.d /etc/Bastille/', __FILE__, __LINE__);
		caselog('cp -f tpl/bastille-firewall.cfg.master /etc/Bastille/bastille-firewall.cfg', __FILE__, __LINE__);
		caselog('chmod 644 /etc/Bastille/bastille-firewall.cfg', __FILE__, __LINE__);
		$content = rf('/etc/Bastille/bastille-firewall.cfg');
		$content = str_replace('{DNS_SERVERS}', '', $content);

		$tcp_public_services = '';
		$udp_public_services = '';

		$row = $this->db->queryOneRecord('SELECT * FROM '.$conf["mysql"]["database"].'.firewall WHERE server_id = '.intval($conf['server_id']));

		if(trim($row['tcp_port']) != '' || trim($row['udp_port']) != '') {
			$tcp_public_services = trim(str_replace(',',' ',$row['tcp_port']));
			$udp_public_services = trim(str_replace(',',' ',$row['udp_port']));
		} else {
			$tcp_public_services = '21 22 25 53 80 110 143 443 3306 8080 10000';
			$udp_public_services = '53';
		}

		if(!stristr($tcp_public_services, $conf['apache']['vhost_port'])) {
			$tcp_public_services .= ' '.intval($conf['apache']['vhost_port']);
			if($row['tcp_port'] != '') $this->db->query("UPDATE firewall SET tcp_port = tcp_port + ',".intval($conf['apache']['vhost_port'])."' WHERE server_id = ".intval($conf['server_id']));
		}

		$content = str_replace('{TCP_PUBLIC_SERVICES}', $tcp_public_services, $content);
		$content = str_replace('{UDP_PUBLIC_SERVICES}', $udp_public_services, $content);

		wf('/etc/Bastille/bastille-firewall.cfg', $content);

		if(is_file($dist_init_scripts.'/bastille-firewall')) caselog('mv -f '.$dist_init_scripts.'/bastille-firewall '.$dist_init_scripts.'/bastille-firewall.backup', __FILE__, __LINE__);
		caselog('cp -f apps/bastille-firewall '.$dist_init_scripts, __FILE__, __LINE__);
		caselog('chmod 700 '.$dist_init_scripts.'/bastille-firewall', __FILE__, __LINE__);

		if(is_file('/sbin/bastille-ipchains')) caselog('mv -f /sbin/bastille-ipchains /sbin/bastille-ipchains.backup', __FILE__, __LINE__);
		caselog('cp -f apps/bastille-ipchains /sbin', __FILE__, __LINE__);
		caselog('chmod 700 /sbin/bastille-ipchains', __FILE__, __LINE__);

		if(is_file('/sbin/bastille-netfilter')) caselog('mv -f /sbin/bastille-netfilter /sbin/bastille-netfilter.backup', __FILE__, __LINE__);
		caselog('cp -f apps/bastille-netfilter /sbin', __FILE__, __LINE__);
		caselog('chmod 700 /sbin/bastille-netfilter', __FILE__, __LINE__);

		if(!@is_dir('/var/lock/subsys')) caselog('mkdir /var/lock/subsys', __FILE__, __LINE__);

		exec('which ipchains &> /dev/null', $ipchains_location, $ret_val);
		if(!is_file('/sbin/ipchains') && !is_link('/sbin/ipchains') && $ret_val == 0) phpcaselog(@symlink(shell_exec('which ipchains'), '/sbin/ipchains'), 'create symlink', __FILE__, __LINE__);
		unset($ipchains_location);
		exec('which iptables &> /dev/null', $iptables_location, $ret_val);
		if(!is_file('/sbin/iptables') && !is_link('/sbin/iptables') && $ret_val == 0) phpcaselog(@symlink(trim(shell_exec('which iptables')), '/sbin/iptables'), 'create symlink', __FILE__, __LINE__);
		unset($iptables_location);

	}

	public function configure_vlogger() {
		global $conf;

		//** Configure vlogger to use traffic logging to mysql (master) db
		$configfile = 'vlogger-dbi.conf';
		if(is_file($conf['vlogger']['config_dir'].'/'.$configfile)) copy($conf['vlogger']['config_dir'].'/'.$configfile,$conf['vlogger']['config_dir'].'/'.$configfile.'~');
		if(is_file($conf['vlogger']['config_dir'].'/'.$configfile.'~')) chmod($conf['vlogger']['config_dir'].'/'.$configfile.'~', 0400);
		$content = rf('tpl/'.$configfile.'.master');
		if($conf['mysql']['master_slave_setup'] == 'y') {
			$content = str_replace('{mysql_server_ispconfig_user}',$conf['mysql']['master_ispconfig_user'],$content);
			$content = str_replace('{mysql_server_ispconfig_password}',$conf['mysql']['master_ispconfig_password'], $content);
			$content = str_replace('{mysql_server_database}',$conf['mysql']['master_database'],$content);
			$content = str_replace('{mysql_server_ip}',$conf['mysql']['master_host'],$content);
		} else {
			$content = str_replace('{mysql_server_ispconfig_user}',$conf['mysql']['ispconfig_user'],$content);
			$content = str_replace('{mysql_server_ispconfig_password}',$conf['mysql']['ispconfig_password'], $content);
			$content = str_replace('{mysql_server_database}',$conf['mysql']['database'],$content);
			$content = str_replace('{mysql_server_ip}',$conf['mysql']['host'],$content);
		}
		wf($conf['vlogger']['config_dir'].'/'.$configfile,$content);
		chmod($conf['vlogger']['config_dir'].'/'.$configfile, 0600);
		chown($conf['vlogger']['config_dir'].'/'.$configfile, 'root');
		chgrp($conf['vlogger']['config_dir'].'/'.$configfile, 'root');

	}

	public function configure_apps_vhost() {
		global $conf;

		//* Create the ispconfig apps vhost user and group

		$apps_vhost_user = escapeshellcmd($conf['web']['apps_vhost_user']);
		$apps_vhost_group = escapeshellcmd($conf['web']['apps_vhost_group']);
		$install_dir = escapeshellcmd($conf['web']['website_basedir'].'/apps');

		$command = 'groupadd '.$apps_vhost_user;
		if(!is_group($apps_vhost_group)) caselog($command.' &> /dev/null 2> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		$command = 'useradd -g '.$apps_vhost_group.' -d '.$install_dir.' '.$apps_vhost_group;
		if(!is_user($apps_vhost_user)) caselog($command.' &> /dev/null 2> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");


		$command = 'adduser '.$conf['apache']['user'].' '.$apps_vhost_group;
		caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		if(!@is_dir($install_dir)) mkdir($install_dir, 0755, true);
		chown($install_dir, $apps_vhost_user);
		chgrp($install_dir, $apps_vhost_group);

		//* Copy the apps vhost file
		$vhost_conf_dir = $conf['apache']['vhost_conf_dir'];
		$vhost_conf_enabled_dir = $conf['apache']['vhost_conf_enabled_dir'];
		$apps_vhost_servername = ($conf['web']['apps_vhost_servername'] == '')?'':'ServerName '.$conf['web']['apps_vhost_servername'];

		// Dont just copy over the virtualhost template but add some custom settings
		$content = rf('tpl/apache_apps.vhost.master');

		$content = str_replace('{apps_vhost_ip}', $conf['web']['apps_vhost_ip'], $content);
		$content = str_replace('{apps_vhost_port}', $conf['web']['apps_vhost_port'], $content);
		$content = str_replace('{apps_vhost_dir}', $conf['web']['website_basedir'].'/apps', $content);
		$content = str_replace('{website_basedir}', $conf['web']['website_basedir'], $content);
		$content = str_replace('{apps_vhost_servername}', $apps_vhost_servername, $content);


		// comment out the listen directive if port is 80 or 443
		if($conf['web']['apps_vhost_ip'] == 80 or $conf['web']['apps_vhost_ip'] == 443) {
			$content = str_replace('{vhost_port_listen}', '#', $content);
		} else {
			$content = str_replace('{vhost_port_listen}', '', $content);
		}

		wf($vhost_conf_dir.'/apps.vhost', $content);

		//copy('tpl/apache_ispconfig.vhost.master', "$vhost_conf_dir/ispconfig.vhost");
		//* and create the symlink
		if($this->install_ispconfig_interface == true) {
			if(@is_link($vhost_conf_enabled_dir.'/apps.vhost')) unlink($vhost_conf_enabled_dir.'/apps.vhost');
			if(!@is_link($vhost_conf_enabled_dir.'/000-apps.vhost')) {
				symlink($vhost_conf_dir.'/apps.vhost',$vhost_conf_enabled_dir.'/000-apps.vhost');
			}
		}
		if(!is_file($conf['web']['website_basedir'].'/php-fcgi-scripts/apps/.php-fcgi-starter')) {
			mkdir($conf['web']['website_basedir'].'/php-fcgi-scripts/apps', 0755, true);
			copy('tpl/apache_apps_fcgi_starter.master',$conf['web']['website_basedir'].'/php-fcgi-scripts/apps/.php-fcgi-starter');
			exec('chmod +x '.$conf['web']['website_basedir'].'/php-fcgi-scripts/apps/.php-fcgi-starter');
			exec('chown -R ispapps:ispapps '.$conf['web']['website_basedir'].'/php-fcgi-scripts/apps');

		}

	}
	
	public function make_ispconfig_ssl_cert() {
		global $conf;

		$install_dir = $conf['ispconfig_install_dir'];
		
		$ssl_crt_file = $install_dir.'/interface/ssl/ispserver.crt';
		$ssl_csr_file = $install_dir.'/interface/ssl/ispserver.csr';
		$ssl_key_file = $install_dir.'/interface/ssl/ispserver.key';
		
		if(!@is_dir($install_dir.'/interface/ssl')) mkdir($install_dir.'/interface/ssl', 0755, true);
		
		$ssl_pw = substr(md5(mt_rand()),0,6);
		exec("openssl genrsa -des3 -passout pass:$ssl_pw -out $ssl_key_file 4096");
		exec("openssl req -new -passin pass:$ssl_pw -passout pass:$ssl_pw -key $ssl_key_file -out $ssl_csr_file");
		exec("openssl req -x509 -passin pass:$ssl_pw -passout pass:$ssl_pw -key $ssl_key_file -in $ssl_csr_file -out $ssl_crt_file -days 3650");
		exec("openssl rsa -passin pass:$ssl_pw -in $ssl_key_file -out $ssl_key_file.insecure");
		rename($ssl_key_file,$ssl_key_file.'.secure');
		rename($ssl_key_file.'.insecure',$ssl_key_file);
		
	}

	public function install_ispconfig() {
		global $conf;

		$install_dir = $conf['ispconfig_install_dir'];

		//* Create the ISPConfig installation directory
		if(!@is_dir($install_dir)) {
			$command = "mkdir $install_dir";
			caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");
		}

		//* Create a ISPConfig user and group
		$command = 'groupadd ispconfig';
		if(!is_group('ispconfig')) caselog($command.' &> /dev/null 2> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		$command = 'useradd -g ispconfig -d '.$install_dir.' ispconfig';
		if(!is_user('ispconfig')) caselog($command.' &> /dev/null 2> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		//* copy the ISPConfig interface part
		$command = 'cp -rf ../interface '.$install_dir;
		caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		//* copy the ISPConfig server part
		$command = 'cp -rf ../server '.$install_dir;
		caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		//* Create a symlink, so ISPConfig is accessible via web
		// Replaced by a separate vhost definition for port 8080
		// $command = "ln -s $install_dir/interface/web/ /var/www/ispconfig";
		// caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		//* Create the config file for ISPConfig interface
		$configfile = 'config.inc.php';
		if(is_file($install_dir.'/interface/lib/'.$configfile)) {
			copy($install_dir.'/interface/lib/'.$configfile, $install_dir.'/interface/lib/'.$configfile.'~');
		}
		$content = rf('tpl/'.$configfile.'.master');
		$content = str_replace('{mysql_server_ispconfig_user}', $conf['mysql']['ispconfig_user'], $content);
		$content = str_replace('{mysql_server_ispconfig_password}',$conf['mysql']['ispconfig_password'], $content);
		$content = str_replace('{mysql_server_database}', $conf['mysql']['database'], $content);
		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);

		$content = str_replace('{mysql_master_server_ispconfig_user}', $conf['mysql']['master_ispconfig_user'], $content);
		$content = str_replace('{mysql_master_server_ispconfig_password}', $conf['mysql']['master_ispconfig_password'], $content);
		$content = str_replace('{mysql_master_server_database}', $conf['mysql']['master_database'], $content);
		$content = str_replace('{mysql_master_server_host}', $conf['mysql']['master_host'], $content);

		$content = str_replace('{server_id}', $conf['server_id'], $content);
		$content = str_replace('{ispconfig_log_priority}', $conf['ispconfig_log_priority'], $content);
		$content = str_replace('{language}', $conf['language'], $content);

		wf($install_dir.'/interface/lib/'.$configfile, $content);

		//* Create the config file for ISPConfig server
		$configfile = 'config.inc.php';
		if(is_file($install_dir.'/server/lib/'.$configfile)) {
			copy($install_dir.'/server/lib/'.$configfile, $install_dir.'/interface/lib/'.$configfile.'~');
		}
		$content = rf('tpl/'.$configfile.'.master');
		$content = str_replace('{mysql_server_ispconfig_user}', $conf['mysql']['ispconfig_user'], $content);
		$content = str_replace('{mysql_server_ispconfig_password}', $conf['mysql']['ispconfig_password'], $content);
		$content = str_replace('{mysql_server_database}', $conf['mysql']['database'], $content);
		$content = str_replace('{mysql_server_host}', $conf['mysql']['host'], $content);

		$content = str_replace('{mysql_master_server_ispconfig_user}', $conf['mysql']['master_ispconfig_user'], $content);
		$content = str_replace('{mysql_master_server_ispconfig_password}', $conf['mysql']['master_ispconfig_password'], $content);
		$content = str_replace('{mysql_master_server_database}', $conf['mysql']['master_database'], $content);
		$content = str_replace('{mysql_master_server_host}', $conf['mysql']['master_host'], $content);

		$content = str_replace('{server_id}', $conf['server_id'], $content);
		$content = str_replace('{ispconfig_log_priority}', $conf['ispconfig_log_priority'], $content);
		$content = str_replace('{language}', $conf['language'], $content);

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		wf($install_dir.'/server/lib/'.$configfile, $content);

		//* Create the config file for remote-actions (but only, if it does not exist, because
		//  the value is a autoinc-value and so changed by the remoteaction_core_module
		if (!file_exists($install_dir.'/server/lib/remote_action.inc.php')) {
			$content = '<?php' . "\n" . '$maxid_remote_action = 0;' . "\n" . '?>';
			wf($install_dir.'/server/lib/remote_action.inc.php', $content);
		}

		//* Enable the server modules and plugins.
		// TODO: Implement a selector which modules and plugins shall be enabled.
		$dir = $install_dir.'/server/mods-available/';
		if (is_dir($dir)) {
			if ($dh = opendir($dir)) {
				while (($file = readdir($dh)) !== false) {
					if($file != '.' && $file != '..' && substr($file,-8,8) == '.inc.php') {
						include_once($install_dir.'/server/mods-available/'.$file);
						$module_name = substr($file,0,-8);
						$tmp = new $module_name;
						if($tmp->onInstall()) {
							if(!@is_link($install_dir.'/server/mods-enabled/'.$file)) {
								@symlink($install_dir.'/server/mods-available/'.$file, $install_dir.'/server/mods-enabled/'.$file);
								// @symlink($install_dir.'/server/mods-available/'.$file, '../mods-enabled/'.$file);
							}
							if (strpos($file, '_core_module') !== false) {
								if(!@is_link($install_dir.'/server/mods-core/'.$file)) {
									@symlink($install_dir.'/server/mods-available/'.$file, $install_dir.'/server/mods-core/'.$file);
									// @symlink($install_dir.'/server/mods-available/'.$file, '../mods-core/'.$file);
								}
							}
						}
						unset($tmp);
					}
				}
				closedir($dh);
			}
		}

		$dir = $install_dir.'/server/plugins-available/';
		if (is_dir($dir)) {
			if ($dh = opendir($dir)) {
				while (($file = readdir($dh)) !== false) {
					if($file != '.' && $file != '..' && substr($file,-8,8) == '.inc.php') {
						include_once($install_dir.'/server/plugins-available/'.$file);
						$plugin_name = substr($file,0,-8);
						$tmp = new $plugin_name;
						if(method_exists($tmp,'onInstall') && $tmp->onInstall()) {
							if(!@is_link($install_dir.'/server/plugins-enabled/'.$file)) {
								@symlink($install_dir.'/server/plugins-available/'.$file, $install_dir.'/server/plugins-enabled/'.$file);
								//@symlink($install_dir.'/server/plugins-available/'.$file, '../plugins-enabled/'.$file);
							}
							if (strpos($file, '_core_plugin') !== false) {
								if(!@is_link($install_dir.'/server/plugins-core/'.$file)) {
									@symlink($install_dir.'/server/plugins-available/'.$file, $install_dir.'/server/plugins-core/'.$file);
									//@symlink($install_dir.'/server/plugins-available/'.$file, '../plugins-core/'.$file);
								}
							}
						}
						unset($tmp);
					}
				}
				closedir($dh);
			}
		}

		// Update the server config
		$mail_server_enabled = ($conf['services']['mail'])?1:0;
		$web_server_enabled = ($conf['services']['web'])?1:0;
		$dns_server_enabled = ($conf['services']['dns'])?1:0;
		$file_server_enabled = ($conf['services']['file'])?1:0;
		$db_server_enabled = ($conf['services']['db'])?1:0;
		$vserver_server_enabled = ($conf['services']['vserver'])?1:0;
		$proxy_server_enabled = ($conf['services']['proxy'])?1:0;
		$firewall_server_enabled = ($conf['services']['firewall'])?1:0;
		$sql = "UPDATE `server` SET mail_server = '$mail_server_enabled', web_server = '$web_server_enabled', dns_server = '$dns_server_enabled', file_server = '$file_server_enabled', db_server = '$db_server_enabled', vserver_server = '$vserver_server_enabled', proxy_server = '$proxy_server_enabled', firewall_server = '$firewall_server_enabled' WHERE server_id = ".intval($conf['server_id']);
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		if($conf['mysql']['master_slave_setup'] == 'y') {
			$this->dbmaster->query($sql);
			$this->db->query($sql);
		} else {
			$this->db->query($sql);
		}


		//* Chmod the files
		$command = 'chmod -R 750 '.$install_dir;
		caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		//* chown the files to the ispconfig user and group
		$command = 'chown -R ispconfig:ispconfig '.$install_dir;
		caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		//* Make the global language file directory group writable
		exec("chmod -R 770 $install_dir/interface/lib/lang");

		//* Make the temp directory for language file exports writable
		if(is_dir($install_dir.'/interface/web/temp')) exec("chmod -R 770 $install_dir/interface/web/temp");

		//* Make all interface language file directories group writable
		$handle = @opendir($install_dir.'/interface/web');
		while ($file = @readdir ($handle)) {
			if ($file != '.' && $file != '..') {
				if(@is_dir($install_dir.'/interface/web'.'/'.$file.'/lib/lang')) {
					$handle2 = opendir($install_dir.'/interface/web'.'/'.$file.'/lib/lang');
					chmod($install_dir.'/interface/web'.'/'.$file.'/lib/lang',0770);
					while ($lang_file = @readdir ($handle2)) {
						if ($lang_file != '.' && $lang_file != '..') {
							chmod($install_dir.'/interface/web'.'/'.$file.'/lib/lang/'.$lang_file,0770);
						}
					}
				}
			}
		}

		//* make sure that the server config file (not the interface one) is only readable by the root user
		chmod($install_dir.'/server/lib/'.$configfile, 0600);
		chown($install_dir.'/server/lib/'.$configfile, 'root');
		chgrp($install_dir.'/server/lib/'.$configfile, 'root');

		chmod($install_dir.'/server/lib/remote_action.inc.php', 0600);
		chown($install_dir.'/server/lib/remote_action.inc.php', 'root');
		chgrp($install_dir.'/server/lib/remote_action.inc.php', 'root');

		if(@is_file($install_dir.'/server/lib/mysql_clientdb.conf')) {
			chmod($install_dir.'/server/lib/mysql_clientdb.conf', 0600);
			chown($install_dir.'/server/lib/mysql_clientdb.conf', 'root');
			chgrp($install_dir.'/server/lib/mysql_clientdb.conf', 'root');
		}

		// TODO: FIXME: add the www-data user to the ispconfig group. This is just for testing
		// and must be fixed as this will allow the apache user to read the ispconfig files.
		// Later this must run as own apache server or via suexec!
		$command = 'adduser www-data ispconfig';
		caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		//* Make the shell scripts executable
		$command = "chmod +x $install_dir/server/scripts/*.sh";
		caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		//* Copy the ISPConfig vhost for the controlpanel
		$vhost_conf_dir = $conf['apache']['vhost_conf_dir'];
		$vhost_conf_enabled_dir = $conf['apache']['vhost_conf_enabled_dir'];


		// Dont just copy over the virtualhost template but add some custom settings
		$content = rf('tpl/apache_ispconfig.vhost.master');
		$content = str_replace('{vhost_port}', $conf['apache']['vhost_port'], $content);

		// comment out the listen directive if port is 80 or 443
		if($conf['apache']['vhost_port'] == 80 or $conf['apache']['vhost_port'] == 443) {
			$content = str_replace('{vhost_port_listen}', '#', $content);
		} else {
			$content = str_replace('{vhost_port_listen}', '', $content);
		}
		
		if(is_file($install_dir.'/interface/ssl/ispserver.crt') && is_file($install_dir.'/interface/ssl/ispserver.key')) {
			$content = str_replace('{ssl_comment}', '', $content);
		} else {
			$content = str_replace('{ssl_comment}', '#', $content);
		}

		wf($vhost_conf_dir.'/ispconfig.vhost', $content);

		//copy('tpl/apache_ispconfig.vhost.master', $vhost_conf_dir.'/ispconfig.vhost');
		//* and create the symlink
		if($this->install_ispconfig_interface == true && $this->is_update == false) {
			if(@is_link($vhost_conf_enabled_dir.'/ispconfig.vhost')) unlink($vhost_conf_enabled_dir.'/ispconfig.vhost');
			if(!@is_link($vhost_conf_enabled_dir.'/000-ispconfig.vhost')) {
				symlink($vhost_conf_dir.'/ispconfig.vhost',$vhost_conf_enabled_dir.'/000-ispconfig.vhost');
			}
		}
		if(!is_file('/var/www/php-fcgi-scripts/ispconfig/.php-fcgi-starter')) {
			mkdir('/var/www/php-fcgi-scripts/ispconfig', 0755, true);
			copy('tpl/apache_ispconfig_fcgi_starter.master','/var/www/php-fcgi-scripts/ispconfig/.php-fcgi-starter');
			exec('chmod +x /var/www/php-fcgi-scripts/ispconfig/.php-fcgi-starter');
			symlink($install_dir.'/interface/web','/var/www/ispconfig');
			exec('chown -R ispconfig:ispconfig /var/www/php-fcgi-scripts/ispconfig');

		}

		//* Install the update script
		if(is_file('/usr/local/bin/ispconfig_update_from_svn.sh')) unlink('/usr/local/bin/ispconfig_update_from_svn.sh');
		chown($install_dir.'/server/scripts/update_from_svn.sh', 'root');
		chmod($install_dir.'/server/scripts/update_from_svn.sh', 0700);
		chown($install_dir.'/server/scripts/update_from_tgz.sh', 'root');
		chmod($install_dir.'/server/scripts/update_from_tgz.sh', 0700);
		chown($install_dir.'/server/scripts/ispconfig_update.sh', 'root');
		chmod($install_dir.'/server/scripts/ispconfig_update.sh', 0700);
		if(!is_link('/usr/local/bin/ispconfig_update_from_svn.sh')) symlink($install_dir.'/server/scripts/ispconfig_update.sh','/usr/local/bin/ispconfig_update_from_svn.sh');
		if(!is_link('/usr/local/bin/ispconfig_update.sh')) symlink($install_dir.'/server/scripts/ispconfig_update.sh','/usr/local/bin/ispconfig_update.sh');

		//* Make the logs readable for the ispconfig user
		if(@is_file('/var/log/mail.log')) exec('chmod +r /var/log/mail.log');
		if(@is_file('/var/log/mail.warn')) exec('chmod +r /var/log/mail.warn');
		if(@is_file('/var/log/mail.err')) exec('chmod +r /var/log/mail.err');
		if(@is_file('/var/log/messages')) exec('chmod +r /var/log/messages');
		if(@is_file('/var/log/clamav/clamav.log')) exec('chmod +r /var/log/clamav/clamav.log');
		if(@is_file('/var/log/clamav/freshclam.log')) exec('chmod +r /var/log/clamav/freshclam.log');

		//* Create the ispconfig log file and directory
		if(!is_file($conf['ispconfig_log_dir'].'/ispconfig.log')) {
			if(!is_dir($conf['ispconfig_log_dir'])) mkdir($conf['ispconfig_log_dir'], 0755);
			touch($conf['ispconfig_log_dir'].'/ispconfig.log');
		}

		rename($install_dir.'/server/scripts/run-getmail.sh','/usr/local/bin/run-getmail.sh');
		if(is_user('getmail')) chown('/usr/local/bin/run-getmail.sh', 'getmail');
		chmod('/usr/local/bin/run-getmail.sh', 0744);

		//* Add Log-Rotation
		if (is_dir('/etc/logrotate.d')) {
			@unlink('/etc/logrotate.d/logispc3'); // ignore, if the file is not there
			/* We rotate these logs in cron_daily.php
			$fh = fopen('/etc/logrotate.d/logispc3', 'w');
			fwrite($fh,
					"$conf['ispconfig_log_dir']/ispconfig.log { \n" .
					"	weekly \n" .
					"	missingok \n" .
					"	rotate 4 \n" .
					"	compress \n" .
					"	delaycompress \n" .
					"} \n" .
					"$conf['ispconfig_log_dir']/cron.log { \n" .
					"	weekly \n" .
					"	missingok \n" .
					"	rotate 4 \n" .
					"	compress \n" .
					"	delaycompress \n" .
					"}");
			fclose($fh);
			*/
		}
	}

	public function configure_dbserver() {
		global $conf;

		//* If this server shall act as database server for client DB's, we configure this here
		$install_dir = $conf['ispconfig_install_dir'];

		// Create a file with the database login details which
		// are used to create the client databases.

		if(!is_dir($install_dir.'/server/lib')) {
			$command = "mkdir $install_dir/server/lib";
			caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");
		}

		$content = rf('tpl/mysql_clientdb.conf.master');
		$content = str_replace('{username}',$conf['mysql']['admin_user'],$content);
		$content = str_replace('{password}',$conf['mysql']['admin_password'], $content);
		wf($install_dir.'/server/lib/mysql_clientdb.conf',$content);
		chmod($install_dir.'/server/lib/mysql_clientdb.conf', 0600);
		chown($install_dir.'/server/lib/mysql_clientdb.conf', 'root');
		chgrp($install_dir.'/server/lib/mysql_clientdb.conf', 'root');

	}

	public function install_crontab() {
		global $conf;

		$install_dir = $conf['ispconfig_install_dir'];

		//* Root Crontab
		exec('crontab -u root -l > crontab.txt');
		$existing_root_cron_jobs = file('crontab.txt');

		// remove existing ispconfig cronjobs, in case the syntax has changed
		foreach($existing_root_cron_jobs as $key => $val) {
			if(stristr($val,$install_dir)) unset($existing_root_cron_jobs[$key]);
		}

		$root_cron_jobs = array(
				"* * * * * ".$install_dir."/server/server.sh > /dev/null 2>> ".$conf['ispconfig_log_dir']."/cron.log",
				"30 00 * * * ".$install_dir."/server/cron_daily.sh > /dev/null 2>> ".$conf['ispconfig_log_dir']."/cron.log"
		);
		foreach($root_cron_jobs as $cron_job) {
			if(!in_array($cron_job."\n", $existing_root_cron_jobs)) {
				$existing_root_cron_jobs[] = $cron_job."\n";
			}
		}
		file_put_contents('crontab.txt', $existing_root_cron_jobs);
		exec('crontab -u root crontab.txt &> /dev/null');
		unlink('crontab.txt');

		//* Getmail crontab
		if(is_user('getmail')) {
			$cf = $conf['getmail'];
			exec('crontab -u getmail -l > crontab.txt');
			$existing_cron_jobs = file('crontab.txt');

			$cron_jobs = array(
					'*/5 * * * * /usr/local/bin/run-getmail.sh > /dev/null 2>> '.$conf['ispconfig_log_dir'].'/cron.log'
			);

			// remove existing ispconfig cronjobs, in case the syntax has changed
			foreach($existing_cron_jobs as $key => $val) {
				if(stristr($val,'getmail')) unset($existing_cron_jobs[$key]);
			}

			foreach($cron_jobs as $cron_job) {
				if(!in_array($cron_job."\n", $existing_cron_jobs)) {
					$existing_cron_jobs[] = $cron_job."\n";
				}
			}
			file_put_contents('crontab.txt', $existing_cron_jobs);
			exec('crontab -u getmail crontab.txt &> /dev/null');
			unlink('crontab.txt');
		}

		touch($conf['ispconfig_log_dir'].'/cron.log');
		chmod($conf['ispconfig_log_dir'].'/cron.log', 0666);

	}

	/**
	 * Helper function - get the path to a template file based on
	 * the local part of the filename. Checks first for the existence
	 * of a distribution specific file and if not found looks in the
	 * base template folder. Optionally the behaviour can be changed
	 * by setting the 2nd parameter which will fetch the contents
	 * of the template file and return it instead of the path. The 3rd
	 * parameter further extends this behaviour by filtering the contents
	 * by inserting the ispconfig database credentials using the {} placeholders.
	 *
	 * @param string $tLocal local part of filename
	 * @param bool $tRf
	 * @param bool $tDBCred
	 * @return string Relative path to the chosen template file
	 */
	protected function get_template_file($tLocal, $tRf=false, $tDBCred=false) {
		global $conf, $dist;

		$final_path = '';
		$dist_template = 'dist/tpl/'.strtolower($dist['name'])."/$tLocal.master";
		if (file_exists($dist_template)) {
			$final_path = $dist_template;
		} else {
			$final_path = "tpl/$tLocal.master";
		}

		if (!$tRf) {
			return $final_path;
		} else {
			return (!$tDBCred) ? rf($final_path) : $this->insert_db_credentials(rf($final_path));
		}
	}

	/**
	 * Helper function - writes the contents to a config file
	 * and performs a backup if the file exist. Additionally
	 * if the file exists the new file will be given the
	 * same rights and ownership as the original. Optionally the
	 * rights and/or ownership can be overriden by appending umask,
	 * user and group to the parameters. Providing only uid and gid
	 * values will result in only a chown.
	 *
	 * @param $tConf
	 * @param $tContents
	 * @return bool
	 */
	protected function write_config_file($tConf, $tContents) {
		// Backup config file before writing new contents and stat file
		if ( is_file($tConf) ) {
			$stat = exec('stat -c \'%a %U %G\' '.escapeshellarg($tConf), $output, $res);
			if ($res == 0) { // stat successfull
				list($access, $user, $group) = split(" ", $stat);
			}

			if ( copy($tConf, $tConf.'~') ) {
				chmod($tConf.'~', 0400);
			}
		}

		wf($tConf, $tContents); // write file

		if (func_num_args() >= 4) // override rights and/or ownership
		{
			$args = func_get_args();
			$output = array_slice($args, 2);

			switch (sizeof($output)) {
				case 3:
					$umask = array_shift($output);
					if (is_numeric($umask) && preg_match('/^0?[0-7]{3}$/', $umask)) {
						$access = $umask;
					}
				case 2:
					if (is_user($output[0]) && is_group($output[1])) {
						list($user,$group) = $output;
					}
					break;
			}
		}

		if (!empty($user) && !empty($group)) {
			chown($tConf, $user);
			chgrp($tConf, $group);
		}

		if (!empty($access)) {
			exec("chmod $access $tConf");
		}
	}

	/**
	 * Helper function - filter the contents of a config
	 * file by inserting the common ispconfig database
	 * credentials.
	 *
	 * @param $tContents
	 * @return string
	 */
	protected function insert_db_credentials($tContents) {
		global $conf;

		$tContents = str_replace('{mysql_server_ispconfig_user}', $conf["mysql"]["ispconfig_user"], $tContents);
		$tContents = str_replace('{mysql_server_ispconfig_password}', $conf["mysql"]["ispconfig_password"], $tContents);
		$tContents = str_replace('{mysql_server_database}', $conf["mysql"]["database"], $tContents);
		$tContents = str_replace('{mysql_server_ip}', $conf["mysql"]["ip"], $tContents);
		$tContents = str_replace('{mysql_server_host}',$conf['mysql']['host'], $tContents);
		$tContents = str_replace('{mysql_server_port}',$conf["mysql"]["port"], $tContents);

		return $tContents;
	}
}

?>