300 lines
		
	
	
	
		
			8 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			300 lines
		
	
	
	
		
			8 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * PHPIDS
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 * 
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 * Requirements: PHP5, SimpleXML
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 *
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 * Copyright (c) 2008 PHPIDS group (https://phpids.org)
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 *
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 * PHPIDS is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU Lesser General Public License as published by
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 * the Free Software Foundation, version 3 of the License, or 
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 * (at your option) any later version.
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 *
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 * PHPIDS is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU Lesser General Public License for more details.
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 * 
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with PHPIDS. If not, see <http://www.gnu.org/licenses/>.  
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 *
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 * PHP version 5.1.6+
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 * 
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 * @category Security
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 * @package  PHPIDS
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 * @author   Mario Heiderich <mario.heiderich@gmail.com>
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 * @author   Christian Matthies <ch0012@gmail.com>
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 * @author   Lars Strojny <lars@strojny.net>
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 * @license  http://www.gnu.org/licenses/lgpl.html LGPL
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 * @link     http://php-ids.org/
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 */
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require_once 'IDS/Log/Interface.php';
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/*
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 * Needed SQL:
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 *
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    CREATE DATABASE IF NOT EXISTS `phpids` DEFAULT CHARACTER 
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        SET utf8 COLLATE utf8_general_ci;
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    DROP TABLE IF EXISTS `intrusions`;
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    CREATE TABLE IF NOT EXISTS `intrusions` (
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      `id` int(11) unsigned NOT null auto_increment,
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      `name` varchar(128) NOT null,
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      `value` text NOT null,
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      `page` varchar(255) NOT null,
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      `tags` varchar(128) NOT null,
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      `ip` varchar(15) NOT null,
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      `ip2` varchar(15) NOT null,
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      `impact` int(11) unsigned NOT null,
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      `origin` varchar(15) NOT null,
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      `created` datetime NOT null,
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      PRIMARY KEY  (`id`)
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    ) ENGINE=MyISAM ;
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 *
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 *
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 *
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 */
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/**
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 * Database logging wrapper
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 *
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 * The database wrapper is designed to store reports into an sql database. It 
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 * implements the singleton pattern and is based in PDO, supporting 
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 * different database types.
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 *
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 * @category  Security
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 * @package   PHPIDS
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 * @author    Christian Matthies <ch0012@gmail.com>
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 * @author    Mario Heiderich <mario.heiderich@gmail.com>
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 * @author    Lars Strojny <lars@strojny.net>
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 * @copyright 2007-2009 The PHPIDS Group
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 * @license   http://www.gnu.org/licenses/lgpl.html LGPL
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 * @version   Release: $Id:Database.php 517 2007-09-15 15:04:13Z mario $
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 * @link      http://php-ids.org/
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 */
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class IDS_Log_Database implements IDS_Log_Interface
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{
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    /**
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     * Database wrapper
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     *
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     * @var string
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     */
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    private $wrapper = null;
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    /**
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     * Database user
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     *
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     * @var string
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     */
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    private $user = null;
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    /**
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     * Database password
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     *
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     * @var string
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     */
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    private $password = null;
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    /**
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     * Database table
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     *
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     * @var string
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     */
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    private $table = null;
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    /**
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     * Database handle
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     *
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     * @var object  PDO instance
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     */
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    private $handle    = null;
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    /**
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     * Prepared SQL statement
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     *
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     * @var string
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     */
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    private $statement = null;
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    /**
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     * Holds current remote address
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     *
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     * @var string
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     */
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    private $ip = 'local/unknown';
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    /**
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     * Instance container
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     *
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     * Due to the singleton pattern this class allows to initiate only one instance
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     * for each database wrapper.
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     *
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     * @var array
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     */
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    private static $instances = array();
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    /**
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     * Constructor
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     *
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     * Prepares the SQL statement
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     *
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     * @param mixed $config IDS_Init instance | array
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     * 
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     * @return void
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     * @throws PDOException if a db error occurred
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     */
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    protected function __construct($config) 
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    {
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        if ($config instanceof IDS_Init) {
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            $this->wrapper  = $config->config['Logging']['wrapper'];
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            $this->user     = $config->config['Logging']['user'];
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            $this->password = $config->config['Logging']['password'];
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            $this->table    = $config->config['Logging']['table'];
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        } elseif (is_array($config)) {
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            $this->wrapper  = $config['wrapper'];
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            $this->user     = $config['user'];
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            $this->password = $config['password'];
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            $this->table    = $config['table'];
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        }
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        // determine correct IP address and concat them if necessary
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        $this->ip  = $_SERVER['REMOTE_ADDR'];
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        $this->ip2 = isset($_SERVER['HTTP_X_FORWARDED_FOR']) 
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            ? $_SERVER['HTTP_X_FORWARDED_FOR'] 
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            : '';
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        try {
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            $this->handle = new PDO(
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                $this->wrapper,
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                $this->user,
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                $this->password
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            );
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            $this->statement = $this->handle->prepare('
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                INSERT INTO ' . $this->table . ' (
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                    name,
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                    value,
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                    page,
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                    tags,
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                    ip,
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                    ip2,
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                    impact,
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                    origin,
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                    created
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                )
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                VALUES (
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                    :name,
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                    :value,
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                    :page,
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                    :tags,
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                    :ip,
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                    :ip2,
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                    :impact,
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                    :origin,
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                    now()
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                )
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            ');
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        } catch (PDOException $e) {
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            throw new PDOException('PDOException: ' . $e->getMessage());
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        }
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    }
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    /**
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     * Returns an instance of this class
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     *
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     * This method allows the passed argument to be either an instance of IDS_Init or
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     * an array.
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     *
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     * @param  mixed  $config    IDS_Init | array
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     * @param  string $classname the class name to use
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     * 
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     * @return object $this
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     */
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    public static function getInstance($config, $classname = 'IDS_Log_Database')
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    {
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        if ($config instanceof IDS_Init) {
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            $wrapper = $config->config['Logging']['wrapper'];
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        } elseif (is_array($config)) {
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            $wrapper = $config['wrapper'];
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        }
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        if (!isset(self::$instances[$wrapper])) {
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            self::$instances[$wrapper] = new $classname($config);
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        }
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        return self::$instances[$wrapper];
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    }
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    /**
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     * Permitting to clone this object
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     *
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     * For the sake of correctness of a singleton pattern, this is necessary
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     * 
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     * @return void
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     */
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    private function __clone() 
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    { 
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    }
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    /**
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     * Stores given data into the database
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     *
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     * @param object $data IDS_Report instance
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     * 
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     * @throws Exception if db error occurred
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     * @return boolean
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     */
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    public function execute(IDS_Report $data) 
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    {
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        if (!isset($_SERVER['REQUEST_URI'])) {
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            $_SERVER['REQUEST_URI'] = substr($_SERVER['PHP_SELF'], 1);
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            if (isset($_SERVER['QUERY_STRING']) && $_SERVER['QUERY_STRING']) { 
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                $_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING']; 
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            } 
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        }     	
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        foreach ($data as $event) {
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            $page = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
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            $ip   = $this->ip;
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            $ip2  = $this->ip2;
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            $name   = $event->getName();
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            $value  = $event->getValue();
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            $impact = $event->getImpact();
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            $tags   = implode(', ', $event->getTags());
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            $this->statement->bindParam('name', $name);
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            $this->statement->bindParam('value', $value);
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            $this->statement->bindParam('page', $page);
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            $this->statement->bindParam('tags', $tags);
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            $this->statement->bindParam('ip', $ip);
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            $this->statement->bindParam('ip2', $ip2);
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            $this->statement->bindParam('impact', $impact);
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            $this->statement->bindParam('origin', $_SERVER['SERVER_ADDR']);
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            if (!$this->statement->execute()) {
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                $info = $this->statement->errorInfo();
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                throw new Exception(
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                    $this->statement->errorCode() . ', ' . $info[1] . ', ' . $info[2]
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                );
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            }
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        }
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        return true;
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    }
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}
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/**
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 * Local variables:
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 * tab-width: 4
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 * c-basic-offset: 4
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 * End:
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 * vim600: sw=4 ts=4 expandtab
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 */
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