+++ /dev/null
-<?php
-/************************************************************************
- * MXChange v0.2.1 Start: 09/20/2005 *
- * =============== Last change: 09/20/2005 *
- * *
- * -------------------------------------------------------------------- *
- * File : security_functions.php *
- * -------------------------------------------------------------------- *
- * Short description : Secure all GET, POST and COOKIE data *
- * -------------------------------------------------------------------- *
- * Kurzbeschreibung : Alle GET, POST und COOKIE-Daten sichern *
- * -------------------------------------------------------------------- *
- * *
- * -------------------------------------------------------------------- *
- * Copyright (c) 2003 - 2008 by Roland Haeder *
- * For more information visit: http://www.mxchange.org *
- * *
- * 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 2 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, write to the Free Software *
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
- * MA 02110-1301 USA *
- ************************************************************************/
-
-// Some security stuff...
-if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
-{
- $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
- require($INC);
-}
-
-/**
- * Function to secure input strings
- *
- * @param $str The unsecured string
- * @return $str A (hopefully) secured string against HTML and other things
- */
-function secureString ($str) {
- $str = trim(strip_tags($str));
- $str = htmlentities($str, ENT_QUOTES);
- return $str;
-}
-
-// Run only once this security check/exchange
-if (defined('__SECURITY')) return;
-
-// Fatal messages goes here
-global $FATAL;
-$FATAL = array();
-
-// Runtime quoting is off now...
-set_magic_quotes_runtime(false);
-
-// Unregister all global variables because of vultures and surpress failed attemps
-@import_request_variables('');
-
-// Error reporting level
-@error_reporting(E_ALL | E_STRICT);
-
-// Check if important arrays are found and define them if missing
-if (!isset($_SERVER))
-{
- global $_SERVER;
- $_SERVER = $GLOBALS['_SERVER'];
-}
-if (!isset($_GET))
-{
- global $_GET;
- $_GET = $GLOBALS['_GET'];
-}
-if (!isset($_POST))
-{
- global $_POST;
- $_POST = $GLOBALS['_POST'];
-}
-if (!isset($_COOKIE))
-{
- global $_COOKIE;
- $_COOKIE = $GLOBALS['_COOKIE'];
-}
-
-// Include IP-Filter here
-//require("/usr/share/php/ipfilter.php");
-
-// Generate arrays which holds the relevante chars to replace
-global $SEC_CHARS, $URL_CHARS;
-$SEC_CHARS = array(
- // The chars we are looking for...
- 'from' => array("{", "}", "/", ".", "'", "$", "(", ")", "{--", "--}", "%", ";", "[", "]", ":", "--"),
- // ... and we will replace to.
- 'to' => array(
- "{OPEN_ANCHOR2}",
- "{CLOSE_ANCHOR2}",
- "{SLASH}",
- "{DOT}",
- "{QUOT}",
- "{DOLLAR}",
- "{OPEN_ANCHOR}",
- "{CLOSE_ANCHOR}",
- "{OPEN_TEMPLATE}",
- "{CLOSE_TEMPLATE}",
- "{PER}",
- "{SEMI}",
- "{OPEN_INDEX}",
- "{CLOSE_INDEX}",
- "{DBL_DOT}",
- "{COMMENT}"
- ),
-);
-
-// Characters allowed in URLs
-//
-// Note: Do not replace 'to' with 'from' and vise-versa! When you do this all booked URLs will be
-// rejected because of the {SLASH}, {DOT} and all below listed items inside the URL.
-$URL_CHARS = array(
- // Search for these secured characters
- 'to' => array("{SLASH}", "{DOT}", "{PER}", "{DBL_DOT}", "{COMMENT}"),
- // Replace with these characters
- 'from' => array("/", ".", "%", ":", "--")
-);
-
-// Overworked security part:
-if (is_array($_GET)) {
- foreach ($_GET as $seckey=>$secvalue)
- {
- if (is_array($secvalue))
- {
- // Throw arrays away...
- unset($_GET[$seckey]);
- }
- else
- {
- // Only variables are allowed (non-array) but we secure them all!
- foreach ($SEC_CHARS['from'] as $key=>$char)
- {
- // Pass all through
- $_GET[$seckey] = str_replace($char , $SEC_CHARS['to'][$key], $_GET[$seckey]);
- }
-
- // Strip all other out
- $_GET[$seckey] = strip_tags($_GET[$seckey]);
- }
- }
-}
-
-if (basename($_SERVER['PHP_SELF']) != "install.php")
-{
- // And POST data
- foreach ($_POST as $seckey=>$secvalue)
- {
- if (!is_array($secvalue))
- {
- // Only variables are allowed (non-array) to be secured...
- foreach ($SEC_CHARS['from'] as $key=>$char)
- {
- // Pass all through
- $_POST[$seckey] = str_replace($char , $SEC_CHARS['to'][$key], $_POST[$seckey]);
- }
-
- // Strip all other out
- $_POST[$seckey] = strip_tags($_POST[$seckey]);
- }
- }
-
- // ... and finally cookies
- foreach ($_COOKIE as $seckey=>$secvalue)
- {
- if (is_array($secvalue))
- {
- // Throw arrays away...
- unset($_COOKIE[$seckey]);
- }
- else
- {
- // Only variables are allowed (non-array) but we secure them all!
- foreach ($SEC_CHARS['from'] as $key=>$char)
- {
- // Pass all through
- $_COOKIE[$seckey] = str_replace($char , $SEC_CHARS['to'][$key], $_COOKIE[$seckey]);
- }
-
- // Strip all other out
- $_COOKIE[$seckey] = strip_tags($_COOKIE[$seckey]);
- }
- }
-}
-
-// Activate caching or transparent compressing when it is not already done
-if (!defined('_OB_CACHING'))
-{
- if (phpversion() >= '4.0.4pl1' && (strstr(getenv('HTTP_USER_AGENT'),'compatible') || (strstr(getenv('HTTP_USER_AGENT'), "Mozilla"))))
- {
- if ((extension_loaded('zlib')) && (function_exists('ob_start')))
- {
- // Start caching
- define('_OB_CACHING', "on");
- ob_start();
- }
- else
- {
- // Extension not loaded or required function is missing
- define('_OB_CACHING', "404");
- }
- }
- else
- {
- // Old PHP version
- define('_OB_CACHING', "old");
- }
-}
-
-// At last secure the $_SERVER['PHP_SELF'] element
-$_SERVER['PHP_SELF'] = secureString($_SERVER['PHP_SELF']);
-
-// Split it up into path and filename
-$SELF_DIR = dirname($_SERVER['PHP_SELF']);
-$SELF_FILE = basename($_SERVER['PHP_SELF']);
-
-// Check for a .php inside the $SELF_DIR...
-while (ereg(".php", $SELF_DIR))
-{
- // Correct the dirname
- $SELF_DIR = substr($SELF_DIR, 0, (strpos($SELF_DIR, ".php") + 4));
- // Rewrite filename...
- $SELF_FILE = basename($SELF_DIR);
- // ... and dirname
- $SELF_DIR = dirname($SELF_DIR);
-}
-
-// Put both together again and let's pray it is secured now...
-$_SERVER['PHP_SELF'] = $SELF_DIR."/".$SELF_FILE;
-
-// Remove uneccessary variables
-unset($SELF_DIR);
-unset($SELF_FILE);
-
-// Security system loaded...
-define('__SECURITY', "1");
-
-//
-?>
projects / mailer.git / blobdiff