<?php
/**
 * Cracker Tracker Protection System - Extended Edition
 * Initially created by Christian Knerr - www.cback.de
 *
 * Extended by: Roland Haeder - www.ship-simu.org
 *
 * @author		Roland Haeder <webmaster@ship-simu.org>
 * @version		3.0.0
 * @copyright	Copyright (c) 2009 - 2017 Cracker Tracker Team
 * @license		GNU GPL 3.0 or any newer version
 * @link		http://www.ship-simu.org
 *
 * This program is based on Cracker Tracker Protection System - Stand-Alone
 * which has been written by Christian Knerr and is heavily enhanced in
 * detectection, logging and reporting of suspicious traffic.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

// XDEBUG call
//* DEBUG: */ xdebug_start_trace();

// Include files
require 'libs/lib_general.php';
require 'libs/lib_detector.php';
require 'libs/lib_connect.php';
require 'libs/lib_updates.php';

// Init
initCrackerTrackerArrays();

// Load configuration, if any is found
crackerTrackerLoadConfiguration();

// Get a database link
aquireCrackerTrackerDatabaseLink();

// Update database scheme
crackerTrackerUpdateDatabaseScheme();

// If it differs to original and the *whole* request string is not in whitelist
// then block the attempt
if (!crackerTrackerIsConsole() && isCrackerTrackerWormDetected()) {
	// Send the email, this must be the last line in this if() block because it contains a exit()
	sendCrackerTrackerMail();
} elseif (!crackerTrackerIsConsole() && isCrackerTrackerPostAttackDetected()) {
	// Send the email, this must be the last line in this if() block because it contains a exit()
	sendCrackerTrackerPostMail();
} elseif (!crackerTrackerIsConsole() && getCrackerTrackerConfig('ctracker_alert_user') == 'Y' && isCrackerTrackerIpSuspicious()) {
	// This IP is suspicious, so we alert him/her
	crackerTrackerAlertCurrentUser();
}

// Close any open database links
crackerTrackerCloseDatabaseLink();