installer_base.lib.php 128 KB
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<?php

/*
Copyright (c) 2007-2010, Till Brehm, projektfarm Gmbh
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 installer_base {

	var $wb = array();
	var $language = 'en';
	var $db;
	public $conf;
	public $install_ispconfig_interface = true;
	public $is_update = false; // true if it is an update, falsi if it is a new install
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	protected $mailman_group = 'list';
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	public function __construct() {
		global $conf; //TODO: maybe $conf  should be passed to constructor
		//$this->conf = $conf;
	}

	//: TODO  Implement the translation function and language files for the installer.
	public function lng($text) {
		return $text;
	}

	public function error($msg) {
		die('ERROR: '.$msg."\n");
	}

	public function warning($msg) {
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		echo 'WARNING: '.$msg."\n";
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	}
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	public function simple_query($query, $answers, $default, $name = '') {
		global $autoinstall;
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		$finished = false;
		do {
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			if($name != '' && $autoinstall[$name] != '') {
				if($autoinstall[$name] == 'default') {
					$input = $default;
				} else {
					$input = $autoinstall[$name];
				}
			} else {
				$answers_str = implode(',', $answers);
				swrite($this->lng($query).' ('.$answers_str.') ['.$default.']: ');
				$input = sread();
			}
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			//* Stop the installation
			if($input == 'quit') {
				swriteln($this->lng("Installation terminated by user.\n"));
				die();
			}

			//* Select the default
			if($input == '') {
				$answer = $default;
				$finished = true;
			}

			//* Set answer id valid
			if(in_array($input, $answers)) {
				$answer = $input;
				$finished = true;
			}

		} while ($finished == false);
		swriteln();
		return $answer;
	}

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	public function free_query($query, $default, $name = '') {
		global $autoinstall;
		if($name != '' && $autoinstall[$name] != '') {
			if($autoinstall[$name] == 'default') {
				$input = $default;
			} else {
				$input = $autoinstall[$name];
			}
		} else {
			swrite($this->lng($query).' ['.$default.']: ');
			$input = sread();
		}
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		//* Stop the installation
		if($input == 'quit') {
			swriteln($this->lng("Installation terminated by user.\n"));
			die();
		}

		$answer =  ($input == '') ? $default : $input;
		swriteln();
		return $answer;
	}

	/*
	// TODO: this function is not used atmo I think - pedro
	function request_language(){
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		swriteln(lng('Enter your language'));
		swriteln(lng('de, en'));
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	}
	*/

	//** Detect installed applications
	public function find_installed_apps() {
		global $conf;

		if(is_installed('mysql') || is_installed('mysqld')) $conf['mysql']['installed'] = true;
		if(is_installed('postfix')) $conf['postfix']['installed'] = true;
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		if(is_installed('postgrey')) $conf['postgrey']['installed'] = true;
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		if(is_installed('mailman') || is_installed('mmsitepass')) $conf['mailman']['installed'] = true;
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		if(is_installed('apache') || is_installed('apache2') || is_installed('httpd') || is_installed('httpd2')) $conf['apache']['installed'] = true;
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		if(is_installed('getmail')) $conf['getmail']['installed'] = true;
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		if(is_installed('courierlogger')) $conf['courier']['installed'] = true;
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		if(is_installed('dovecot')) $conf['dovecot']['installed'] = true;
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		if(is_installed('saslauthd')) $conf['saslauthd']['installed'] = true;
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		if(is_installed('amavisd-new') || is_installed('amavisd')) $conf['amavis']['installed'] = true;
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		if(is_installed('clamdscan')) $conf['clamav']['installed'] = true;
		if(is_installed('pure-ftpd') || is_installed('pure-ftpd-wrapper')) $conf['pureftpd']['installed'] = true;
		if(is_installed('mydns') || is_installed('mydns-ng')) $conf['mydns']['installed'] = true;
		if(is_installed('jk_chrootsh')) $conf['jailkit']['installed'] = true;
		if(is_installed('pdns_server') || is_installed('pdns_control')) $conf['powerdns']['installed'] = true;
		if(is_installed('named') || is_installed('bind') || is_installed('bind9')) $conf['bind']['installed'] = true;
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		if(is_installed('squid')) $conf['squid']['installed'] = true;
		if(is_installed('nginx')) $conf['nginx']['installed'] = true;
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		if(is_installed('iptables') && is_installed('ufw')) $conf['ufw']['installed'] = true;
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		if(is_installed('fail2ban-server')) $conf['fail2ban']['installed'] = true;
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		if(is_installed('vzctl')) $conf['openvz']['installed'] = true;
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		if(is_installed('iptables') && is_installed('bastille-netfilter')) $conf['bastille']['installed'] = true;
		if(is_installed('metronome') && is_installed('metronomectl')) $conf['xmpp']['installed'] = true;
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		if(is_installed('spamassassin')) $conf['spamassassin']['installed'] = true;
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		if(is_installed('vlogger')) $conf['vlogger']['installed'] = true;
		if(is_installed('cron')) $conf['cron']['installed'] = true;
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		if ($conf['services']['web'] && (($conf['apache']['installed'] && is_file($conf['apache']["vhost_conf_enabled_dir"]."/000-ispconfig.vhost")) || ($conf['nginx']['installed'] && is_file($conf['nginx']["vhost_conf_enabled_dir"]."/000-ispconfig.vhost")))) $this->ispconfig_interface_installed = true;
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	}

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    public function force_configure_app($service, $enable_force=true) {
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		$force = false;
        swriteln("[WARN] autodetect for $service failed");
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		if($enable_force) {
	        if(strtolower($this->simple_query("Force configure $service", array('y', 'n'), 'n') ) == 'y') {
	            $force = true;
			} else swriteln("Skipping $service\n");
		}
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		return $force;
    }

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	public function reconfigure_app($service, $reconfigure_services_answer) {
		$reconfigure = false;
		if ($reconfigure_services_answer != 'selected') {
			$reconfigure = true;
		} else {
			if(strtolower($this->simple_query("Reconfigure $service", array('y', 'n'), 'y') ) == 'y') {
				$reconfigure = true;
			} else {
				swriteln("Skip reconfigure $service\n");
			}
		}
		return $reconfigure;
	}
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	/** Create the database for ISPConfig */
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	public function configure_database() {
		global $conf;

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		//* check sql-mode
		$check_sql_mode = $this->db->queryOneRecord("SELECT @@sql_mode");

		if ($check_sql_mode['@@sql_mode'] != '' && $check_sql_mode['@@sql_mode'] != 'NO_ENGINE_SUBSTITUTION') die('Wrong SQL-mode. You should use NO_ENGINE_SUBSTITUTION');

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

		//* Set the database name in the DB library
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		$this->db->setDBName($conf['mysql']['database']);
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		//* Load the database dump into the database, if database contains no tables
		$db_tables = $this->db->getTables();
		if(count($db_tables) > 0) {
			$this->error('Stopped: Database already contains some tables.');
		} else {
			if($conf['mysql']['admin_password'] == '') {
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				caselog("mysql --default-character-set=".escapeshellarg($conf['mysql']['charset'])." -h ".escapeshellarg($conf['mysql']['host'])." -u ".escapeshellarg($conf['mysql']['admin_user'])." ".escapeshellarg($conf['mysql']['database'])." < '".ISPC_INSTALL_ROOT."/install/sql/ispconfig3.sql' &> /dev/null",
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					__FILE__, __LINE__, 'read in ispconfig3.sql', 'could not read in ispconfig3.sql');
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			} else {
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				caselog("mysql --default-character-set=".escapeshellarg($conf['mysql']['charset'])." -h ".escapeshellarg($conf['mysql']['host'])." -u ".escapeshellarg($conf['mysql']['admin_user'])." -p".escapeshellarg($conf['mysql']['admin_password'])." ".escapeshellarg($conf['mysql']['database'])." < '".ISPC_INSTALL_ROOT."/install/sql/ispconfig3.sql' &> /dev/null",
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					__FILE__, __LINE__, 'read in ispconfig3.sql', 'could not read in ispconfig3.sql');
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			}
			$db_tables = $this->db->getTables();
			if(count($db_tables) == 0) {
				$this->error('Unable to load SQL-Dump into database table.');
			}

			//* Load system.ini into the sys_ini table
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			$system_ini = rf('tpl/system.ini.master');
			$this->db->query("UPDATE sys_ini SET config = ? WHERE sysini_id = 1", $system_ini);
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		}
	}

	//** Create the server record in the database
	public function add_database_server_record() {

		global $conf;

		if($conf['mysql']['host'] == 'localhost') {
			$from_host = 'localhost';
		} else {
			$from_host = $conf['hostname'];
		}

		// Delete ISPConfig user in the local database, in case that it exists
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		$this->db->query("DELETE FROM mysql.user WHERE User = ? AND Host = ?", $conf['mysql']['ispconfig_user'], $from_host);
		$this->db->query("DELETE FROM mysql.db WHERE Db = ? AND Host = ?", $conf['mysql']['database'], $from_host);
		$this->db->query('FLUSH PRIVILEGES');
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		//* Create the ISPConfig database user in the local database
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		$query = 'GRANT SELECT, INSERT, UPDATE, DELETE ON ?? TO ?@? IDENTIFIED BY ?';
		if(!$this->db->query($query, $conf['mysql']['database'] . ".*", $conf['mysql']['ispconfig_user'], $from_host, $conf['mysql']['ispconfig_password'])) {
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			$this->error('Unable to create database user: '.$conf['mysql']['ispconfig_user'].' Error: '.$this->db->errorMessage);
		}

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

		//* Set the database name in the DB library
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		$this->db->setDBName($conf['mysql']['database']);
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		$tpl_ini_array = ini_to_array(rf('tpl/server.ini.master'));

		//* Update further distribution specific parameters for server config here
		//* HINT: Every line added here has to be added in update.lib.php too!!
		$tpl_ini_array['web']['vhost_conf_dir'] = $conf['apache']['vhost_conf_dir'];
		$tpl_ini_array['web']['vhost_conf_enabled_dir'] = $conf['apache']['vhost_conf_enabled_dir'];
		$tpl_ini_array['jailkit']['jailkit_chroot_app_programs'] = $conf['jailkit']['jailkit_chroot_app_programs'];
		$tpl_ini_array['fastcgi']['fastcgi_phpini_path'] = $conf['fastcgi']['fastcgi_phpini_path'];
		$tpl_ini_array['fastcgi']['fastcgi_starter_path'] = $conf['fastcgi']['fastcgi_starter_path'];
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		$tpl_ini_array['fastcgi']['fastcgi_bin'] = $conf['fastcgi']['fastcgi_bin'];
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		$tpl_ini_array['server']['hostname'] = $conf['hostname'];
		$tpl_ini_array['server']['ip_address'] = @gethostbyname($conf['hostname']);
		$tpl_ini_array['web']['website_basedir'] = $conf['web']['website_basedir'];
		$tpl_ini_array['web']['website_path'] = $conf['web']['website_path'];
		$tpl_ini_array['web']['website_symlinks'] = $conf['web']['website_symlinks'];
		$tpl_ini_array['cron']['crontab_dir'] = $conf['cron']['crontab_dir'];
		$tpl_ini_array['web']['security_level'] = 20;
		$tpl_ini_array['web']['user'] = $conf['apache']['user'];
		$tpl_ini_array['web']['group'] = $conf['apache']['group'];
		$tpl_ini_array['web']['php_ini_path_apache'] = $conf['apache']['php_ini_path_apache'];
		$tpl_ini_array['web']['php_ini_path_cgi'] = $conf['apache']['php_ini_path_cgi'];
		$tpl_ini_array['mail']['pop3_imap_daemon'] = ($conf['dovecot']['installed'] == true)?'dovecot':'courier';
		$tpl_ini_array['mail']['mail_filter_syntax'] = ($conf['dovecot']['installed'] == true)?'sieve':'maildrop';
		$tpl_ini_array['dns']['bind_user'] = $conf['bind']['bind_user'];
		$tpl_ini_array['dns']['bind_group'] = $conf['bind']['bind_group'];
		$tpl_ini_array['dns']['bind_zonefiles_dir'] = $conf['bind']['bind_zonefiles_dir'];
		$tpl_ini_array['dns']['named_conf_path'] = $conf['bind']['named_conf_path'];
		$tpl_ini_array['dns']['named_conf_local_path'] = $conf['bind']['named_conf_local_path'];
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		$tpl_ini_array['web']['nginx_vhost_conf_dir'] = $conf['nginx']['vhost_conf_dir'];
		$tpl_ini_array['web']['nginx_vhost_conf_enabled_dir'] = $conf['nginx']['vhost_conf_enabled_dir'];
		$tpl_ini_array['web']['nginx_user'] = $conf['nginx']['user'];
		$tpl_ini_array['web']['nginx_group'] = $conf['nginx']['group'];
		$tpl_ini_array['web']['nginx_cgi_socket'] = $conf['nginx']['cgi_socket'];
		$tpl_ini_array['web']['php_fpm_init_script'] = $conf['nginx']['php_fpm_init_script'];
		$tpl_ini_array['web']['php_fpm_ini_path'] = $conf['nginx']['php_fpm_ini_path'];
		$tpl_ini_array['web']['php_fpm_pool_dir'] = $conf['nginx']['php_fpm_pool_dir'];
		$tpl_ini_array['web']['php_fpm_start_port'] = $conf['nginx']['php_fpm_start_port'];
		$tpl_ini_array['web']['php_fpm_socket_dir'] = $conf['nginx']['php_fpm_socket_dir'];
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		if ($conf['nginx']['installed'] == true) {
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			$tpl_ini_array['web']['server_type'] = 'nginx';
			$tpl_ini_array['global']['webserver'] = 'nginx';
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		}
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		if (array_key_exists('awstats', $conf)) {
			foreach ($conf['awstats'] as $aw_sett => $aw_value) {
				$tpl_ini_array['web']['awstats_'.$aw_sett] = $aw_value;
			}
		}

		$server_ini_content = array_to_ini($tpl_ini_array);
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		$mail_server_enabled = ($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;
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		$vserver_server_enabled = ($conf['openvz']['installed'])?1:0;
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		$proxy_server_enabled = (isset($conf['services']['proxy']) && $conf['services']['proxy'])?1:0;
		$firewall_server_enabled = (isset($conf['services']['firewall']) && $conf['services']['firewall'])?1:0;
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		//** Get the database version number based on the patchfiles
		$found = true;
		$current_db_version = 1;
		while($found == true) {
			$next_db_version = intval($current_db_version + 1);
			$patch_filename = realpath(dirname(__FILE__).'/../').'/sql/incremental/upd_'.str_pad($next_db_version, 4, '0', STR_PAD_LEFT).'.sql';
			if(is_file($patch_filename)) {
				$current_db_version = $next_db_version;
			} else {
				$found = false;
			}
		}
		$current_db_version = intval($current_db_version);


		if($conf['mysql']['master_slave_setup'] == 'y') {

			//* Insert the server record in master DB
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			$sql = "INSERT INTO `server` (`sys_userid`, `sys_groupid`, `sys_perm_user`, `sys_perm_group`, `sys_perm_other`, `server_name`, `mail_server`, `web_server`, `dns_server`, `file_server`, `db_server`, `vserver_server`, `config`, `updated`, `active`, `dbversion`,`firewall_server`,`proxy_server`) VALUES (1, 1, 'riud', 'riud', 'r', ?, ?, ?, ?, ?, ?, ?, ?, 0, 1, ?, ?, ?);";
			$this->dbmaster->query($sql, $conf['hostname'], $mail_server_enabled, $web_server_enabled, $dns_server_enabled, $file_server_enabled, $db_server_enabled, $vserver_server_enabled, $server_ini_content, $current_db_version, $proxy_server_enabled, $firewall_server_enabled);
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			$conf['server_id'] = $this->dbmaster->insertID();
			$conf['server_id'] = $conf['server_id'];

			//* Insert the same record in the local DB
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			$sql = "INSERT INTO `server` (`server_id`, `sys_userid`, `sys_groupid`, `sys_perm_user`, `sys_perm_group`, `sys_perm_other`, `server_name`, `mail_server`, `web_server`, `dns_server`, `file_server`, `db_server`, `vserver_server`, `config`, `updated`, `active`, `dbversion`,`firewall_server`,`proxy_server`) VALUES (?,1, 1, 'riud', 'riud', 'r', ?, ?, ?, ?, ?, ?, ?, ?, 0, 1, ?, ?, ?);";
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			$this->db->query($sql, $conf['server_id'], $conf['hostname'], $mail_server_enabled, $web_server_enabled, $dns_server_enabled, $file_server_enabled, $db_server_enabled, $vserver_server_enabled, $server_ini_content, $current_db_version, $proxy_server_enabled, $firewall_server_enabled);
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			//* username for the ispconfig user
			$conf['mysql']['master_ispconfig_user'] = 'ispcsrv'.$conf['server_id'];

			$this->grant_master_database_rights();

		} else {
			//* Insert the server, if its not a mster / slave setup
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			$sql = "INSERT INTO `server` (`sys_userid`, `sys_groupid`, `sys_perm_user`, `sys_perm_group`, `sys_perm_other`, `server_name`, `mail_server`, `web_server`, `dns_server`, `file_server`, `db_server`, `vserver_server`, `config`, `updated`, `active`, `dbversion`,`firewall_server`,`proxy_server`) VALUES (1, 1, 'riud', 'riud', 'r', ?, ?, ?, ?, ?, ?, ?, ?, 0, 1, ?, ?, ?);";
			$this->db->query($sql, $conf['hostname'], $mail_server_enabled, $web_server_enabled, $dns_server_enabled, $file_server_enabled, $db_server_enabled, $vserver_server_enabled, $server_ini_content, $current_db_version, $proxy_server_enabled, $firewall_server_enabled);
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			$conf['server_id'] = $this->db->insertID();
			$conf['server_id'] = $conf['server_id'];
		}


	}

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	public function grant_master_database_rights($verbose = false) {
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		global $conf;

		/*
		 * The following code is a little bit tricky:
		 * * If we HAVE a master-slave - Setup then the client has to grant the rights for himself
		 *   at the master.
		 * * If we DO NOT have a master-slave - Setup then we have two possibilities
		 *   1) it is a single server
		 *   2) it is the MASTER of n clients
		*/
		$hosts = array();
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		if($conf['mysql']['master_slave_setup'] == 'y') {
			/*
			 * it is a master-slave - Setup so the slave has to grant its rights in the master
			 * database
			 */

			//* insert the ispconfig user in the remote server
			$from_host = $conf['hostname'];
			$from_ip = gethostbyname($conf['hostname']);
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			$hosts[$from_host]['user'] = $conf['mysql']['master_ispconfig_user'];
			$hosts[$from_host]['db'] = $conf['mysql']['master_database'];
			$hosts[$from_host]['pwd'] = $conf['mysql']['master_ispconfig_password'];

			$hosts[$from_ip]['user'] = $conf['mysql']['master_ispconfig_user'];
			$hosts[$from_ip]['db'] = $conf['mysql']['master_database'];
			$hosts[$from_ip]['pwd'] = $conf['mysql']['master_ispconfig_password'];
		} else{
			/*
			 * it is NOT a master-slave - Setup so we have to find out all clients and their
			 * host
			 */
			$query = "SELECT Host, User FROM mysql.user WHERE User like 'ispcsrv%' ORDER BY User, Host";
			$data = $this->dbmaster->queryAllRecords($query);
			if($data === false) {
				$this->error('Unable to get the user rights: '.$value['db'].' Error: '.$this->dbmaster->errorMessage);
			}
			foreach ($data as $item){
				$hosts[$item['Host']]['user'] = $item['User'];
				$hosts[$item['Host']]['db'] = $conf['mysql']['master_database'];
				$hosts[$item['Host']]['pwd'] = ''; // the user already exists, so we need no pwd!
			}
		}
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		if(count($hosts) > 0) {
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			foreach($hosts as $host => $value) {
				/*
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			 * If a pwd exists, this means, we have to add the new user (and his pwd).
			 * if not, the user already exists and we do not need the pwd
			 */
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				if ($value['pwd'] != ''){
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					$query = "CREATE USER ?@? IDENTIFIED BY ?";
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					if ($verbose){
						echo "\n\n" . $query ."\n";
					}
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					$this->dbmaster->query($query, $value['user'], $host, $value['pwd']); // ignore the error
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				}
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				/*
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			 *  Try to delete all rights of the user in case that it exists.
			 *  In Case that it will not exist, do nothing (ignore the error!)
			 */
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				$query = "REVOKE ALL PRIVILEGES, GRANT OPTION FROM ?@?";
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				if ($verbose){
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					echo "\n\n" . $query ."\n";
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				}
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				$this->dbmaster->query($query, $value['user'], $host); // ignore the error
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				//* Create the ISPConfig database user in the remote database
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				$query = "GRANT SELECT ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.server', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, INSERT ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.sys_log', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, UPDATE(`status`, `error`) ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.sys_datalog', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, UPDATE(`status`) ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.software_update_inst', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, UPDATE(`updated`) ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.server', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, UPDATE (`ssl_request`, `ssl_cert`, `ssl_action`, `ssl_key`) ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.web_domain', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.sys_group', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, UPDATE (`action_state`, `response`) ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.sys_remoteaction', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, INSERT , DELETE ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.monitor_data', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, INSERT, UPDATE ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.mail_traffic', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, INSERT, UPDATE ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.web_traffic', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, UPDATE, DELETE ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.aps_instances', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
				
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				$query = "GRANT SELECT, DELETE ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.aps_instances_settings', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, INSERT, DELETE ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.web_backup', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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				$query = "GRANT SELECT, INSERT, DELETE ON ?? TO ?@?";
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				if ($verbose){
					echo $query ."\n";
				}
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				if(!$this->dbmaster->query($query, $value['db'] . '.mail_backup', $value['user'], $host)) {
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					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
				}
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			}

			/*
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		 * It is all done. Relod the rights...
		 */
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			$this->dbmaster->query('FLUSH PRIVILEGES');
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		}

	}

	//** writes postfix configuration files
	public function process_postfix_config($configfile) {
		global $conf;

		$config_dir = $conf['postfix']['config_dir'].'/';
		$full_file_name = $config_dir.$configfile;
		//* Backup exiting file
		if(is_file($full_file_name)) {
			copy($full_file_name, $config_dir.$configfile.'~');
		}
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		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master', 'tpl/'.$configfile.'.master');
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		$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']['ip'], $content);
		$content = str_replace('{server_id}', $conf['server_id'], $content);
		wf($full_file_name, $content);
	}

	public function configure_jailkit() {
		global $conf;

		$cf = $conf['jailkit'];
		$config_dir = $cf['config_dir'];
		$jk_init = $cf['jk_init'];
		$jk_chrootsh = $cf['jk_chrootsh'];

		if (is_dir($config_dir)) {
			if(is_file($config_dir.'/'.$jk_init)) copy($config_dir.'/'.$jk_init, $config_dir.'/'.$jk_init.'~');
			if(is_file($config_dir.'/'.$jk_chrootsh.'.master')) copy($config_dir.'/'.$jk_chrootsh.'.master', $config_dir.'/'.$jk_chrootsh.'~');
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			if(is_file($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$jk_init.'.master')) {
				copy($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$jk_init.'.master', $config_dir.'/'.$jk_init);
			} else {
				copy('tpl/'.$jk_init.'.master', $config_dir.'/'.$jk_init);
			}
			if(is_file($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$jk_chrootsh.'.master')) {
				copy($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$jk_chrootsh.'.master', $config_dir.'/'.$jk_chrootsh);
			} else {
				copy('tpl/'.$jk_chrootsh.'.master', $config_dir.'/'.$jk_chrootsh);
			}
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		}
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		//* help jailkit fo find its ini files
		if(!is_link('/usr/jk_socketd.ini')) exec('ln -s /etc/jailkit/jk_socketd.ini /usr/jk_socketd.ini');
		if(!is_link('/usr/jk_init.ini')) exec('ln -s /etc/jailkit/jk_init.ini /usr/jk_init.ini');
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	}
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	public function configure_mailman($status = 'insert') {
		global $conf;

		$config_dir = $conf['mailman']['config_dir'].'/';
		$full_file_name = $config_dir.'mm_cfg.py';
		//* Backup exiting file
		if(is_file($full_file_name)) {
			copy($full_file_name, $config_dir.'mm_cfg.py~');
		}
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		// load files
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		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/mm_cfg.py.master', 'tpl/mm_cfg.py.master');
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		$old_file = rf($full_file_name);
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		$old_options = array();
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		$lines = explode("\n", $old_file);
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		foreach ($lines as $line)
		{
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			if (trim($line) != '' && substr($line, 0, 1) != '#')
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			{
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				@list($key, $value) = @explode("=", $line);
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				if (isset($value) && $value !== '')
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				{
					$key = rtrim($key);
					$old_options[$key] = trim($value);
				}
			}
		}
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		$virtual_domains = '';
		if($status == 'update')
		{
			// create virtual_domains list
			$domainAll = $this->db->queryAllRecords("SELECT domain FROM mail_mailinglist GROUP BY domain");
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			if(is_array($domainAll)) {
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				foreach($domainAll as $domain)
				{
					if ($domainAll[0]['domain'] == $domain['domain'])
						$virtual_domains .= "'".$domain['domain']."'";
					else
						$virtual_domains .= ", '".$domain['domain']."'";
				}
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			}
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		}
		else
			$virtual_domains = "' '";
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		$content = str_replace('{hostname}', $conf['hostname'], $content);
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		if(!isset($old_options['DEFAULT_SERVER_LANGUAGE'])) $old_options['DEFAULT_SERVER_LANGUAGE'] = '';
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		$content = str_replace('{default_language}', $old_options['DEFAULT_SERVER_LANGUAGE'], $content);
		$content = str_replace('{virtual_domains}', $virtual_domains, $content);
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		wf($full_file_name, $content);
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		//* Write virtual_to_transport.sh script
		$config_dir = $conf['mailman']['config_dir'].'/';
		$full_file_name = $config_dir.'virtual_to_transport.sh';
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		//* Backup exiting virtual_to_transport.sh script
		if(is_file($full_file_name)) {
			copy($full_file_name, $config_dir.'virtual_to_transport.sh~');
		}
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		if(is_dir('/etc/mailman')) {
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			if(is_file($conf['ispconfig_install_dir'].'/server/conf-custom/install/mailman-virtual_to_transport.sh')) {
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				copy($conf['ispconfig_install_dir'].'/server/conf-custom/install/mailman-virtual_to_transport.sh', $full_file_name);
			} else {
				copy('tpl/mailman-virtual_to_transport.sh', $full_file_name);
			}
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			chgrp($full_file_name, $this->mailman_group);
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			chmod($full_file_name, 0755);
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		}

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		//* Create aliasaes
		exec('/usr/lib/mailman/bin/genaliases 2>/dev/null');
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		if(!is_file('/var/lib/mailman/data/transport-mailman')) touch('/var/lib/mailman/data/transport-mailman');
		exec('/usr/sbin/postmap /var/lib/mailman/data/transport-mailman');
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	}

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	//* with postfix >= 2.9 we can detect configured services with postconf
	public function postfix_master() {
    	exec("postconf -M", $out, $ret);
		return $ret===0?true:false;
	}

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	public function configure_postfix($options = '') {
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		global $conf,$autoinstall;
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		$cf = $conf['postfix'];
		$config_dir = $cf['config_dir'];

		if(!is_dir($config_dir)) {
			$this->error("The postfix configuration directory '$config_dir' does not exist.");
		}

		//* mysql-virtual_domains.cf
		$this->process_postfix_config('mysql-virtual_domains.cf');

		//* mysql-virtual_forwardings.cf
		$this->process_postfix_config('mysql-virtual_forwardings.cf');

		//* mysql-virtual_mailboxes.cf
		$this->process_postfix_config('mysql-virtual_mailboxes.cf');

		//* mysql-virtual_email2email.cf
		$this->process_postfix_config('mysql-virtual_email2email.cf');

		//* mysql-virtual_transports.cf
		$this->process_postfix_config('mysql-virtual_transports.cf');

		//* mysql-virtual_recipient.cf
		$this->process_postfix_config('mysql-virtual_recipient.cf');

		//* mysql-virtual_sender.cf
		$this->process_postfix_config('mysql-virtual_sender.cf');

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		//* mysql-virtual_sender_login_maps.cf
		$this->process_postfix_config('mysql-virtual_sender_login_maps.cf');

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		//* mysql-virtual_client.cf
		$this->process_postfix_config('mysql-virtual_client.cf');

		//* mysql-virtual_relaydomains.cf
		$this->process_postfix_config('mysql-virtual_relaydomains.cf');

		//* mysql-virtual_relayrecipientmaps.cf
		$this->process_postfix_config('mysql-virtual_relayrecipientmaps.cf');
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		//* mysql-virtual_outgoing_bcc.cf
		$this->process_postfix_config('mysql-virtual_outgoing_bcc.cf');
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                //* mysql-virtual_policy_greylist.cf
                $this->process_postfix_config('mysql-virtual_policy_greylist.cf');

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		//* postfix-dkim
		$full_file_name=$config_dir.'/tag_as_originating.re';
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		if(is_file($full_file_name)) copy($full_file_name, $full_file_name.'~');
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		wf($full_file_name, '/^/ FILTER amavis:[127.0.0.1]:10026');
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		$full_file_name=$config_dir.'/tag_as_foreign.re';
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		if(is_file($full_file_name)) copy($full_file_name, $full_file_name.'~');
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		wf($full_file_name, '/^/ FILTER amavis:[127.0.0.1]:10024');
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		//* Changing mode and group of the new created config files.
		caselog('chmod o= '.$config_dir.'/mysql-virtual_*.cf* &> /dev/null',
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			__FILE__, __LINE__, 'chmod on mysql-virtual_*.cf*', 'chmod on mysql-virtual_*.cf* failed');
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		caselog('chgrp '.$cf['group'].' '.$config_dir.'/mysql-virtual_*.cf* &> /dev/null',
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			__FILE__, __LINE__, 'chgrp on mysql-virtual_*.cf*', 'chgrp on mysql-virtual_*.cf* failed');
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		//* Creating virtual mail user and group
		$command = 'groupadd -g '.$cf['vmail_groupid'].' '.$cf['vmail_groupname'];
		if(!is_group($cf['vmail_groupname'])) caselog($command.' &> /dev/null', __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

		$command = 'useradd -g '.$cf['vmail_groupname'].' -u '.$cf['vmail_userid'].' '.$cf['vmail_username'].' -d '.$cf['vmail_mailbox_base'].' -m';
		if(!is_user($cf['vmail_username'])) caselog("$command &> /dev/null", __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");
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		//* These postconf commands will be executed on installation and update
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		$server_ini_rec = $this->db->queryOneRecord("SELECT config FROM ?? WHERE server_id = ?", $conf["mysql"]["database"] . '.server', $conf['server_id']);
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		$server_ini_array = ini_to_array(stripslashes($server_ini_rec['config']));
		unset($server_ini_rec);

		//* If there are RBL's defined, format the list and add them to smtp_recipient_restrictions to prevent removeal after an update
		$rbl_list = '';
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		if (@isset($server_ini_array['mail']['realtime_blackhole_list']) && $server_ini_array['mail']['realtime_blackhole_list'] != '') {
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			$rbl_hosts = explode(",", str_replace(" ", "", $server_ini_array['mail']['realtime_blackhole_list']));
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			foreach ($rbl_hosts as $key => $value) {
				$rbl_list .= ", reject_rbl_client ". $value;
			}
		}
		unset($rbl_hosts);
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		//* If Postgrey is installed, configure it
		$greylisting = '';
		if($conf['postgrey']['installed'] == true) {
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			$greylisting = ', check_recipient_access mysql:/etc/postfix/mysql-virtual_policy_greylist.cf';
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		}
		
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		$reject_sender_login_mismatch = '';
		if(isset($server_ini_array['mail']['reject_sender_login_mismatch']) && ($server_ini_array['mail']['reject_sender_login_mismatch'] == 'y')) {
			$reject_sender_login_mismatch = ', reject_authenticated_sender_login_mismatch';
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		}
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		unset($server_ini_array);
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		$postconf_placeholders = array('{config_dir}' => $config_dir,
			'{vmail_mailbox_base}' => $cf['vmail_mailbox_base'],
			'{vmail_userid}' => $cf['vmail_userid'],
			'{vmail_groupid}' => $cf['vmail_groupid'],
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			'{rbl_list}' => $rbl_list,
			'{greylisting}' => $greylisting,
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			'{reject_slm}' => $reject_sender_login_mismatch,
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		);
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		$postconf_tpl = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/debian_postfix.conf.master', 'tpl/debian_postfix.conf.master');
		$postconf_tpl = strtr($postconf_tpl, $postconf_placeholders);
		$postconf_commands = array_filter(explode("\n", $postconf_tpl)); // read and remove empty lines
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		//* These postconf commands will be executed on installation only
		if($this->is_update == false) {
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			$postconf_commands = array_merge($postconf_commands, array(
					'myhostname = '.$conf['hostname'],
					'mydestination = '.$conf['hostname'].', localhost, localhost.localdomain',
					'mynetworks = 127.0.0.0/8 [::1]/128'
				));
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		}
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		//* Create the header and body check files
		touch($config_dir.'/header_checks');
		touch($config_dir.'/mime_header_checks');
		touch($config_dir.'/nested_header_checks');
		touch($config_dir.'/body_checks');
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		//* Create the mailman files
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		if(!is_dir('/var/lib/mailman/data')) exec('mkdir -p /var/lib/mailman/data');
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		if(!is_file('/var/lib/mailman/data/aliases')) touch('/var/lib/mailman/data/aliases');
		exec('postalias /var/lib/mailman/data/aliases');
		if(!is_file('/var/lib/mailman/data/virtual-mailman')) touch('/var/lib/mailman/data/virtual-mailman');
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		exec('postmap /var/lib/mailman/data/virtual-mailman');
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		if(!is_file('/var/lib/mailman/data/transport-mailman')) touch('/var/lib/mailman/data/transport-mailman');
		exec('/usr/sbin/postmap /var/lib/mailman/data/transport-mailman');
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		//* Make a backup copy of the main.cf file
		copy($config_dir.'/main.cf', $config_dir.'/main.cf~');

		//* Executing the postconf commands
		foreach($postconf_commands as $cmd) {
			$command = "postconf -e '$cmd'";
			caselog($command." &> /dev/null", __FILE__, __LINE__, 'EXECUTED: '.$command, 'Failed to execute the command '.$command);
		}

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		if(!stristr($options, 'dont-create-certs')) {
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			//* Create the SSL certificate
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			if(AUTOINSTALL){
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				$command = 'cd '.$config_dir.'; '
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					."openssl req -new -subj '/C=".escapeshellcmd($autoinstall['ssl_cert_country'])."/ST=".escapeshellcmd($autoinstall['ssl_cert_state'])."/L=".escapeshellcmd($autoinstall['ssl_cert_locality'])."/O=".escapeshellcmd($autoinstall['ssl_cert_organisation'])."/OU=".escapeshellcmd($autoinstall['ssl_cert_organisation_unit'])."/CN=".escapeshellcmd($autoinstall['ssl_cert_common_name'])."' -outform PEM -out smtpd.cert -newkey rsa:4096 -nodes -keyout smtpd.key -keyform PEM -days 3650 -x509";
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			} else {
				$command = 'cd '.$config_dir.'; '
					.'openssl req -new -outform PEM -out smtpd.cert -newkey rsa:4096 -nodes -keyout smtpd.key -keyform PEM -days 3650 -x509';
			}
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			exec($command);

			$command = 'chmod o= '.$config_dir.'/smtpd.key';
			caselog($command.' &> /dev/null', __FILE__, __LINE__, 'EXECUTED: '.$command, 'Failed to execute the command '.$command);
		}

		//** We have to change the permissions of the courier authdaemon directory to make it accessible for maildrop.
		$command = 'chmod 755  /var/run/courier/authdaemon/';
		if(is_file('/var/run/courier/authdaemon/')) caselog($command.' &> /dev/null', __FILE__, __LINE__, 'EXECUTED: '.$command, 'Failed to execute the command '.$command);

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		//* Check maildrop service in posfix master.cf
		$regex = "/^maildrop   unix.*pipe flags=DRhu user=vmail argv=\\/usr\\/bin\\/maildrop -d ".$cf['vmail_username']." \\$\{extension} \\$\{recipient} \\$\{user} \\$\{nexthop} \\$\{sender}/";
		$configfile = $config_dir.'/master.cf';
		if ($this->postfix_master()) {
			exec ("postconf -M maildrop.unix", $out, $ret);
			$change_maildrop_flags = @(preg_match($regex, $out[0]) && $out[0] !='')?false:true;
		} else { //* fallback - postfix < 2.9
			$change_maildrop_flags = @(preg_match($regex, $configfile))?false:true;
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		}
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		if ($change_maildrop_flags) {
			//* Change maildrop service in posfix master.cf
			if(is_file($config_dir.'/master.cf')) {
				copy($config_dir.'/master.cf', $config_dir.'/master.cf~');
			}
			if(is_file($config_dir.'/master.cf~')) {
				chmod($config_dir.'/master.cf~', 0400);
 			}
			$configfile = $config_dir.'/master.cf';
			$content = rf($configfile);
			$content =	str_replace('flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}',
						'flags=DRhu user='.$cf['vmail_username'].' argv=/usr/bin/maildrop -d '.$cf['vmail_username'].' ${extension} ${recipient} ${user} ${nexthop} ${sender}',
						$content);
			wf($configfile, $content);
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		}

		//* Writing the Maildrop mailfilter file
		$configfile = 'mailfilter';
		if(is_file($cf['vmail_mailbox_base'].'/.'.$configfile)) {
			copy($cf['vmail_mailbox_base'].'/.'.$configfile, $cf['vmail_mailbox_base'].'/.'.$configfile.'~');
		}
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		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master', 'tpl/'.$configfile.'.master');
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		$content = str_replace('{dist_postfix_vmail_mailbox_base}', $cf['vmail_mailbox_base'], $content);
		wf($cf['vmail_mailbox_base'].'/.'.$configfile, $content);

		//* Create the directory for the custom mailfilters
		if(!is_dir($cf['vmail_mailbox_base'].'/mailfilters')) {
			$command = 'mkdir '.$cf['vmail_mailbox_base'].'/mailfilters';
			caselog($command." &> /dev/null", __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");
		}

		//* Chmod and chown the .mailfilter file
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		$command = 'chown '.$cf['vmail_username'].':'.$cf['vmail_groupname'].' '.$cf['vmail_mailbox_base'].'/.mailfilter';
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		caselog($command." &> /dev/null", __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

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		$command = 'chmod 600 '.$cf['vmail_mailbox_base'].'/.mailfilter';
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		caselog($command." &> /dev/null", __FILE__, __LINE__, "EXECUTED: $command", "Failed to execute the command $command");

	}
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	public function configure_saslauthd() {
		global $conf;
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		//* Get saslsauthd version
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		exec('saslauthd -v 2>&1', $out);
		$parts = explode(' ', $out[0]);
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		$saslversion = $parts[1];
		unset($parts);
		unset($out);
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		if(version_compare($saslversion , '2.1.23', '<=')) {
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			//* Configfile for saslauthd versions up to 2.1.23
			$configfile = 'sasl_smtpd.conf';
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		} else {
			//* Configfile for saslauthd versions 2.1.24 and newer
			$configfile = 'sasl_smtpd2.conf';
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		}
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		if(is_file($conf['postfix']['config_dir'].'/sasl/smtpd.conf')) copy($conf['postfix']['config_dir'].'/sasl/smtpd.conf', $conf['postfix']['config_dir'].'/sasl/smtpd.conf~');
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		if(is_file($conf['postfix']['config_dir'].'/sasl/smtpd.conf~')) chmod($conf['postfix']['config_dir'].'/sasl/smtpd.conf~', 0400);
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		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master', 'tpl/'.$configfile.'.master');
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		$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']['ip'], $content);
		wf($conf['postfix']['config_dir'].'/sasl/smtpd.conf', $content);
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		// TODO: Chmod and chown on the config file


		// Recursively create the spool directory
		if(!@is_dir('/var/spool/postfix/var/run/saslauthd')) mkdir('/var/spool/postfix/var/run/saslauthd', 0755, true);

		// Edit the file /etc/default/saslauthd
		$configfile = $conf['saslauthd']['config'];
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		if(is_file($configfile)) copy($configfile, $configfile.'~');
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		if(is_file($configfile.'~')) chmod($configfile.'~', 0400);
		$content = rf($configfile);
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		$content = str_replace('START=no', 'START=yes', $content);
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		// Debian
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		$content = str_replace('OPTIONS="-c"', 'OPTIONS="-m /var/spool/postfix/var/run/saslauthd -r"', $content);
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		// Ubuntu
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		$content = str_replace('OPTIONS="-c -m /var/run/saslauthd"', 'OPTIONS="-c -m /var/spool/postfix/var/run/saslauthd -r"', $content);
		wf($configfile, $content);
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		// Edit the file /etc/init.d/saslauthd
		$configfile = $conf['init_scripts'].'/'.$conf['saslauthd']['init_script'];
		$content = rf($configfile);
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		$content = str_replace('PIDFILE=$RUN_DIR/saslauthd.pid', 'PIDFILE="/var/spool/postfix/var/run/${NAME}/saslauthd.pid"', $content);
		wf($configfile, $content);
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		// add the postfix user to the sasl group (at least necessary for Ubuntu 8.04 and most likely Debian Lenny as well.
		exec('adduser postfix sasl');


	}

	public function configure_pam() {
		global $conf;
		$pam = $conf['pam'];
		//* configure pam for SMTP authentication agains the ispconfig database
		$configfile = 'pamd_smtp';
		if(is_file($pam.'/smtp'))    copy($pam.'/smtp', $pam.'/smtp~');
		if(is_file($pam.'/smtp~'))   chmod($pam.'/smtp~', 0400);