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<?php

/*
Copyright (c) 2007, 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.
*/

/*
	ISPConfig 3 installer.
*/

error_reporting(E_ALL|E_STRICT);

//** The banner on the command line
echo "\n\n".str_repeat('-',80)."\n";
echo " _____ ___________   _____              __ _       
|_   _/  ___| ___ \ /  __ \            / _(_)      
  | | \ `--.| |_/ / | /  \/ ___  _ __ | |_ _  __ _ 
  | |  `--. \  __/  | |    / _ \| '_ \|  _| |/ _` |
 _| |_/\__/ / |     | \__/\ (_) | | | | | | | (_| |
 \___/\____/\_|      \____/\___/|_| |_|_| |_|\__, |
                                              __/ |
                                             |___/ ";
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echo "\n".str_repeat('-',80)."\n";
echo "\n\n>> Initial configuration  \n\n";
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//** Include the library with the basic installer functions
//** Include the base class of the installer class
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//** Install logfile
define('ISPC_LOG_FILE', '/var/log/ispconfig_install.log');
define('ISPC_INSTALL_ROOT', realpath(dirname(__FILE__).'/../'));

//** Check for existing installation
/*if(is_dir("/usr/local/ispconfig")) {
    die('We will stop here. There is already a ISPConfig installation, use the update script to update this installation.');
}*/

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//** Get distribution identifier
$dist = get_distname();
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if($dist['id'] == '') die('Linux Distribution or Version not recognized.');
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//** Include the distribution specific installer class library and configuration
if(is_file('dist/lib/'.$dist['baseid'].'.lib.php')) include_once('dist/lib/'.$dist['baseid'].'.lib.php');
include_once('dist/lib/'.$dist['id'].'.lib.php');
include_once('dist/conf/'.$dist['id'].'.conf.php');
//****************************************************************************************************
//** Installer Interface 
//****************************************************************************************************
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swriteln($inst->lng('    Following will be a few questions for primary configuration so be careful.'));
swriteln($inst->lng('    Default values are in [brackets] and can be accepted with <ENTER>.'));
swriteln($inst->lng('    Tap in "quit" (without the quotes) to stop the installer.'."\n\n"));
//** Check log file is writable (probably not root or sudo)
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if(!is_writable(dirname(ISPC_LOG_FILE))){
    die("ERROR: Cannot write to the directory ".dirname(ISPC_LOG_FILE).". Are you root or sudo ?\n\n");
if(is_dir('/root/ispconfig') || is_dir('/home/admispconfig')) {
	die('This software can not be installed on a server wich runs ISPConfig 2.x.');
}

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//** Detect the installed applications
$inst->find_installed_apps();

//** Select the language
$conf['language'] = $inst->simple_query('Select language', array('en','de'), 'en');
$install_mode = $inst->simple_query('Installation mode', array('standard','expert'), 'standard');
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$tmp_out = array();
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$conf['hostname'] = $inst->free_query('Full qualified hostname (FQDN) of the server, eg server1.domain.tld ', $tmp_out[0]);
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unset($tmp_out);
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$finished = false;
do {
	$tmp_mysql_server_host = $inst->free_query('MySQL server hostname', $conf['mysql']['host']);
	$tmp_mysql_server_admin_user = $inst->free_query('MySQL root username', $conf['mysql']['admin_user']);
	$tmp_mysql_server_admin_password = $inst->free_query('MySQL root password', $conf['mysql']['admin_password']);
    $tmp_mysql_server_database = $inst->free_query('MySQL database to create', $conf['mysql']['database']);
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    $tmp_mysql_server_charset = $inst->free_query('MySQL charset', $conf['mysql']['charset']);
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	//* Initialize the MySQL server connection
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	if(@mysql_connect($tmp_mysql_server_host, $tmp_mysql_server_admin_user, $tmp_mysql_server_admin_password)) {
		$conf['mysql']['host'] = $tmp_mysql_server_host;
		$conf['mysql']['admin_user'] = $tmp_mysql_server_admin_user;
		$conf['mysql']['admin_password'] = $tmp_mysql_server_admin_password;
        $conf['mysql']['database'] = $tmp_mysql_server_database;
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        $conf['mysql']['charset'] = $tmp_mysql_server_charset;
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		$finished = true;
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	} else {
		swriteln($inst->lng('Unable to connect to mysql server').' '.mysql_error());
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	}
} while ($finished == false);
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unset($finished);
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// Resolve the IP address of the mysql hostname.
if(!$conf['mysql']['ip'] = gethostbyname($conf['mysql']['host'])) die('Unable to resolve hostname'.$conf['mysql']['host']);


//** initializing database connection
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include_once('lib/mysql.lib.php');
$inst->db = new db();
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//** Begin with standard or expert installation
if($install_mode == 'standard') {
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	$inst->configure_database();
	
	//* Insert the Server record into the database
	$inst->add_database_server_record();
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	$inst->configure_postfix();
	//* Configure jailkit
	swriteln('Configuring Jailkit');
	$inst->configure_jailkit();
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	swriteln('Configuring SASL');
	$inst->configure_saslauthd();

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	swriteln('Configuring PAM');
	$inst->configure_pam();

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	swriteln('Configuring Courier');
	$inst->configure_courier();

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	swriteln('Configuring Spamassassin');
	$inst->configure_spamassassin();

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	swriteln('Configuring Amavisd');
	$inst->configure_amavis();

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	swriteln('Configuring Getmail');
	$inst->configure_getmail();
	

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	swriteln('Configuring Pureftpd');
	$inst->configure_pureftpd();

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	swriteln('Configuring MyDNS');
	$inst->configure_mydns();
	swriteln('Configuring Apache');
	$inst->configure_apache();
	
	//* Configure Firewall
	swriteln('Configuring Firewall');
	$inst->configure_firewall();
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	swriteln('Installing ISPConfig');
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	//** Customise the port ISPConfig runs on
	$conf['apache']['vhost_port'] = $inst->free_query('ISPConfig Port', '8080');
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	$inst->install_ispconfig();
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	//* Configure DBServer
	swriteln('Configuring DBServer');
	$inst->configure_dbserver();
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	swriteln('Installing Crontab');
	$inst->install_crontab();
	
	swriteln('Restarting services ...');
	if($conf['mysql']['init_script'] != '' && is_file($conf['init_scripts'].'/'.$conf['mysql']['init_script']))					system($conf['init_scripts'].'/'.$conf['mysql']['init_script'].' restart');
	if($conf['postfix']['init_script'] != '' && is_file($conf['init_scripts'].'/'.$conf['postfix']['init_script']))				system($conf['init_scripts'].'/'.$conf['postfix']['init_script'].' restart');
	if($conf['saslauthd']['init_script'] != '' && is_file($conf['init_scripts'].'/'.$conf['saslauthd']['init_script']))			system($conf['init_scripts'].'/'.$conf['saslauthd']['init_script'].' restart');
	if($conf['amavis']['init_script'] != '' && is_file($conf['init_scripts'].'/'.$conf['amavis']['init_script']))					system($conf['init_scripts'].'/'.$conf['amavis']['init_script'].' restart');
	if($conf['clamav']['init_script'] != '' && is_file($conf['init_scripts'].'/'.$conf['clamav']['init_script']))					system($conf['init_scripts'].'/'.$conf['clamav']['init_script'].' restart');
	if($conf['courier']['courier-authdaemon'] != '' && is_file($conf['init_scripts'].'/'.$conf['courier']['courier-authdaemon'])) system($conf['init_scripts'].'/'.$conf['courier']['courier-authdaemon'].' restart');
	if($conf['courier']['courier-imap'] != '' && is_file($conf['init_scripts'].'/'.$conf['courier']['courier-imap'])) 			system($conf['init_scripts'].'/'.$conf['courier']['courier-imap'].' restart');
	if($conf['courier']['courier-imap-ssl'] != '' && is_file($conf['init_scripts'].'/'.$conf['courier']['courier-imap-ssl'])) 	system($conf['init_scripts'].'/'.$conf['courier']['courier-imap-ssl'].' restart');
	if($conf['courier']['courier-pop'] != '' && is_file($conf['init_scripts'].'/'.$conf['courier']['courier-pop'])) 				system($conf['init_scripts'].'/'.$conf['courier']['courier-pop'].' restart');
	if($conf['courier']['courier-pop-ssl'] != '' && is_file($conf['init_scripts'].'/'.$conf['courier']['courier-pop-ssl'])) 		system($conf['init_scripts'].'/'.$conf['courier']['courier-pop-ssl'].' restart');
	if($conf['apache']['init_script'] != '' && is_file($conf['init_scripts'].'/'.$conf['apache']['init_script'])) 				system($conf['init_scripts'].'/'.$conf['apache']['init_script'].' restart');
	if($conf['pureftpd']['init_script'] != '' && is_file($conf['init_scripts'].'/'.$conf['pureftpd']['init_script']))				system($conf['init_scripts'].'/'.$conf['pureftpd']['init_script'].' restart');
	if($conf['mydns']['init_script'] != '' && is_file($conf['init_scripts'].'/'.$conf['mydns']['init_script']))					system($conf['init_scripts'].'/'.$conf['mydns']['init_script'].' restart &> /dev/null');
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	//* In expert mode, we select the services in the following steps, only db is always available
	$conf['services']['mail'] = false;
	$conf['services']['web'] = false;
	$conf['services']['dns'] = false;
	$conf['services']['db'] = true;
	
	
	// $conf['server_id'] = $inst->free_query('Unique Numeric ID of the server','1');
	// Server ID is an autoInc value of the mysql database now
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	if(strtolower($inst->simple_query('Shall this server join an existing ISPConfig multiserver setup',array('y','n'),'n')) == 'y') {
		$conf['mysql']['master_slave_setup'] = 'y';
		
		//** Get MySQL root credentials
		$finished = false;
		do {
			$tmp_mysql_server_host = $inst->free_query('MySQL master server hostname', $conf['mysql']['master_host']);
			$tmp_mysql_server_admin_user = $inst->free_query('MySQL master server root username', $conf['mysql']['master_admin_user']);
			$tmp_mysql_server_admin_password = $inst->free_query('MySQL master server root password', $conf['mysql']['master_admin_password']);
    		$tmp_mysql_server_database = $inst->free_query('MySQL master server database name', $conf['mysql']['master_database']);
	
			//* Initialize the MySQL server connection
			if(@mysql_connect($tmp_mysql_server_host, $tmp_mysql_server_admin_user, $tmp_mysql_server_admin_password)) {
				$conf['mysql']['master_host'] = $tmp_mysql_server_host;
				$conf['mysql']['master_admin_user'] = $tmp_mysql_server_admin_user;
				$conf['mysql']['master_admin_password'] = $tmp_mysql_server_admin_password;
				$conf['mysql']['master_database'] = $tmp_mysql_server_database;
				$finished = true;
			} else {
				swriteln($inst->lng('Unable to connect to mysql server').' '.mysql_error());
			}
		} while ($finished == false);
		unset($finished);
		
		// initialize the connection to the master database
		$inst->dbmaster = new db();
		if($inst->dbmaster->linkId) $inst->dbmaster->closeConn();
		$inst->dbmaster->dbHost = $conf['mysql']["master_host"];
		$inst->dbmaster->dbName = $conf['mysql']["master_database"];
		$inst->dbmaster->dbUser = $conf['mysql']["master_admin_user"];
		$inst->dbmaster->dbPass = $conf['mysql']["master_admin_password"];
		
	} else {
		// the master DB is the same then the slave DB
		$inst->dbmaster = $inst->db;
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	}
	
	//* Create the mysql database
	$inst->configure_database();
		
	//* Insert the Server record into the database
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	swriteln('Adding ISPConfig server record to database.');
	$inst->add_database_server_record();

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	if(strtolower($inst->simple_query('Configure Mail', array('y','n') ,'y') ) == 'y') {
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		$conf['services']['mail'] = true;
		
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		swriteln('Configuring Postfix');
		$inst->configure_postfix();
		
		//* Configure saslauthd
		swriteln('Configuring SASL');
		$inst->configure_saslauthd();
		
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		swriteln('Configuring PAM');
		$inst->configure_pam();

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		swriteln('Configuring Courier');
		$inst->configure_courier();

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		swriteln('Configuring Spamassassin');
		$inst->configure_spamassassin();

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		swriteln('Configuring Amavisd');
		$inst->configure_amavis();

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		swriteln('Configuring Getmail');
		$inst->configure_getmail();
		
		if($conf['postfix']['init_script'] != '')			system($conf['init_scripts'].'/'.$conf['postfix']['init_script'].' restart');
		if($conf['saslauthd']['init_script'] != '')			system($conf['init_scripts'].'/'.$conf['saslauthd']['init_script'].' restart');
		if($conf['amavis']['init_script'] != '')			system($conf['init_scripts'].'/'.$conf['amavis']['init_script'].' restart');
		if($conf['clamav']['init_script'] != '')			system($conf['init_scripts'].'/'.$conf['clamav']['init_script'].' restart');
		if($conf['courier']['courier-authdaemon'] != '') 	system($conf['init_scripts'].'/'.$conf['courier']['courier-authdaemon'].' restart');
		if($conf['courier']['courier-imap'] != '') 			system($conf['init_scripts'].'/'.$conf['courier']['courier-imap'].' restart');
		if($conf['courier']['courier-imap-ssl'] != '') 		system($conf['init_scripts'].'/'.$conf['courier']['courier-imap-ssl'].' restart');
		if($conf['courier']['courier-pop'] != '') 			system($conf['init_scripts'].'/'.$conf['courier']['courier-pop'].' restart');
		if($conf['courier']['courier-pop-ssl'] != '') 		system($conf['init_scripts'].'/'.$conf['courier']['courier-pop-ssl'].' restart');
	//** Configure Jailkit
	if(strtolower($inst->simple_query('Configure Jailkit', array('y','n'),'y') ) == 'y') {	
		swriteln('Configuring Jailkit');
		$inst->configure_jailkit();
	}
	
	//** Configure Pureftpd
	if(strtolower($inst->simple_query('Configure FTP Server', array('y','n'),'y') ) == 'y') {	
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		swriteln('Configuring Pureftpd');
		$inst->configure_pureftpd();
		if($conf['pureftpd']['init_script'] != '') system($conf['init_scripts'].'/'.$conf['pureftpd']['init_script'].' restart');
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	if(strtolower($inst->simple_query('Configure DNS Server',array('y','n'),'y')) == 'y') {
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		$conf['services']['dns'] = true;
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		swriteln('Configuring MyDNS');
		$inst->configure_mydns();
		if($conf['mydns']['init_script'] != '')	system($conf['init_scripts'].'/'.$conf['mydns']['init_script'].' restart &> /dev/null');
	swriteln("\nHint: If this server shall run the ispconfig interface, select 'y' in the next option.\n");
	if(strtolower($inst->simple_query('Configure Apache Server',array('y','n'),'y')) == 'y') {	
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		$conf['services']['web'] = true;
		swriteln('Configuring Apache');
		$inst->configure_apache();
	}
	
	//** Configure Firewall
	if(strtolower($inst->simple_query('Configure Firewall Server',array('y','n'),'y')) == 'y') {	
		swriteln('Configuring Firewall');
		$inst->configure_firewall();
	}
	
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	if(strtolower($inst->simple_query('Install ISPConfig Web-Interface',array('y','n'),'y')) == 'y') {
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		swriteln('Installing ISPConfig');
		
		//** We want to check if the server is a module or cgi based php enabled server
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		//** TODO: Don't always ask for this somehow ?
		/*
		$fast_cgi = $inst->simple_query('CGI PHP Enabled Server?', array('yes','no'),'no');

		if($fast_cgi == 'yes') {
	 		$alias = $inst->free_query('Script Alias', '/php/');
	 		$path = $inst->free_query('Script Alias Path', '/path/to/cgi/bin');
	 		$conf['apache']['vhost_cgi_alias'] = sprintf('ScriptAlias %s %s', $alias, $path);
	 		$conf['apache']['vhost_cgi_alias'] = "";
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		*/

		//** Customise the port ISPConfig runs on
		$conf['apache']['vhost_port'] = $inst->free_query('ISPConfig Port', '8080');
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		$inst->install_ispconfig_interface = true;
			
	} else {
		$inst->install_ispconfig_interface = false;
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	$inst->install_ispconfig();
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	//* Configure DBServer
	swriteln('Configuring DBServer');
	$inst->configure_dbserver();
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	//* Configure ISPConfig
	swriteln('Installing Crontab');
	$inst->install_crontab();
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	if($conf['apache']['init_script'] != '' && @is_file($conf['init_scripts'].'/'.$conf['apache']['init_script'])) system($conf['init_scripts'].'/'.$conf['apache']['init_script'].' restart');
} //* << $install_mode / 'Standard' or Genius