-<?php\r
-/************************************************************************\r
- * MXChange v0.2.1 Start: 09/20/2005 *\r
- * =============== Last change: 09/20/2005 *\r
- * *\r
- * -------------------------------------------------------------------- *\r
- * File : security_functions.php *\r
- * -------------------------------------------------------------------- *\r
- * Short description : Secure all GET, POST and COOKIE data *\r
- * -------------------------------------------------------------------- *\r
- * Kurzbeschreibung : Alle GET, POST und COOKIE-Daten sichern *\r
- * -------------------------------------------------------------------- *\r
- * *\r
- * -------------------------------------------------------------------- *\r
- * Copyright (c) 2003 - 2008 by Roland Haeder *\r
- * For more information visit: http://www.mxchange.org *\r
- * *\r
- * This program is free software; you can redistribute it and/or modify *\r
- * it under the terms of the GNU General Public License as published by *\r
- * the Free Software Foundation; either version 2 of the License, or *\r
- * (at your option) any later version. *\r
- * *\r
- * This program is distributed in the hope that it will be useful, *\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *\r
- * GNU General Public License for more details. *\r
- * *\r
- * You should have received a copy of the GNU General Public License *\r
- * along with this program; if not, write to the Free Software *\r
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *\r
- * MA 02110-1301 USA *\r
- ************************************************************************/\r
-\r
-// Some security stuff...\r
-if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))\r
-{\r
- $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4)."/security.php";\r
- require($INC);\r
-}\r
-\r
-// Run only once this security check/exchange\r
-if (defined('__SECURITY')) return;\r
-\r
-// Fatal messages goes here\r
-global $FATAL;\r
-$FATAL = array();\r
-\r
-// Runtime quoting is off now...\r
-set_magic_quotes_runtime(false);\r
-\r
-// Unregister all global variables because of vultures and surpress failed attemps\r
-@import_request_variables('');\r
-\r
-// Error reporting level\r
-@error_reporting(E_ALL | E_STRICT);\r
-\r
-// Check if important arrays are found and define them if missing\r
-if (!isset($_SERVER))\r
-{\r
- global $_SERVER;\r
- $_SERVER = $GLOBALS['_SERVER'];\r
-}\r
-if (!isset($_GET))\r
-{\r
- global $_GET;\r
- $_GET = $GLOBALS['_GET'];\r
-}\r
-if (!isset($_POST))\r
-{\r
- global $_POST;\r
- $_POST = $GLOBALS['_POST'];\r
-}\r
-if (!isset($_COOKIE))\r
-{\r
- global $_COOKIE;\r
- $_COOKIE = $GLOBALS['_COOKIE'];\r
-}\r
-\r
-// Include IP-Filter here\r
-//require("/usr/share/php/ipfilter.php");\r
-\r
-// Generate arrays which holds the relevante chars to replace\r
-global $SEC_CHARS, $URL_CHARS;\r
-$SEC_CHARS = array(\r
- // The chars we are looking for...\r
- 'from' => array("{", "}", "/", ".", "'", "$", "(", ")", "{--", "--}", "%", ";", "[", "]", ":", "--"),\r
- // ... and we will replace to.\r
- 'to' => array(\r
- "{OPEN_ANCHOR2}",\r
- "{CLOSE_ANCHOR2}",\r
- "{SLASH}",\r
- "{DOT}",\r
- "{QUOT}",\r
- "{DOLLAR}",\r
- "{OPEN_ANCHOR}",\r
- "{CLOSE_ANCHOR}",\r
- "{OPEN_TEMPLATE}",\r
- "{CLOSE_TEMPLATE}",\r
- "{PER}",\r
- "{SEMI}",\r
- "{OPEN_INDEX}",\r
- "{CLOSE_INDEX}",\r
- "{DBL_DOT}",\r
- "{COMMENT}"\r
- ),\r
-);\r
-\r
-// Characters allowed in URLs\r
-//\r
-// Note: Do not replace 'to' with 'from' and vise-versa! When you do this all booked URLs will be\r
-// rejected because of the {SLASH}, {DOT} and all below listed items inside the URL.\r
-$URL_CHARS = array(\r
- // Search for these secured characters\r
- 'to' => array("{SLASH}", "{DOT}", "{PER}", "{DBL_DOT}", "{COMMENT}"),\r
- // Replace with these characters\r
- 'from' => array("/", ".", "%", ":", "--")\r
-);\r
-\r
-// Overworked security part:\r
-if (is_array($_GET)) {\r
- foreach ($_GET as $seckey=>$secvalue)\r
- {\r
- if (is_array($secvalue))\r
- {\r
- // Throw arrays away...\r
- unset($_GET[$seckey]);\r
- }\r
- else\r
- {\r
- // Only variables are allowed (non-array) but we secure them all!\r
- foreach ($SEC_CHARS['from'] as $key=>$char)\r
- {\r
- // Pass all through\r
- $_GET[$seckey] = str_replace($char , $SEC_CHARS['to'][$key], $_GET[$seckey]);\r
- }\r
-\r
- // Strip all other out\r
- $_GET[$seckey] = strip_tags($_GET[$seckey]);\r
- }\r
- }\r
-}\r
-\r
-if (basename($_SERVER['PHP_SELF']) != "install.php")\r
-{\r
- // And POST data\r
- foreach ($_POST as $seckey=>$secvalue)\r
- {\r
- if (!is_array($secvalue))\r
- {\r
- // Only variables are allowed (non-array) to be secured...\r
- foreach ($SEC_CHARS['from'] as $key=>$char)\r
- {\r
- // Pass all through\r
- $_POST[$seckey] = str_replace($char , $SEC_CHARS['to'][$key], $_POST[$seckey]);\r
- }\r
-\r
- // Strip all other out\r
- $_POST[$seckey] = strip_tags($_POST[$seckey]);\r
- }\r
- }\r
-\r
- // ... and finally cookies\r
- foreach ($_COOKIE as $seckey=>$secvalue)\r
- {\r
- if (is_array($secvalue))\r
- {\r
- // Throw arrays away...\r
- unset($_COOKIE[$seckey]);\r
- }\r
- else\r
- {\r
- // Only variables are allowed (non-array) but we secure them all!\r
- foreach ($SEC_CHARS['from'] as $key=>$char)\r
- {\r
- // Pass all through\r
- $_COOKIE[$seckey] = str_replace($char , $SEC_CHARS['to'][$key], $_COOKIE[$seckey]);\r
- }\r
-\r
- // Strip all other out\r
- $_COOKIE[$seckey] = strip_tags($_COOKIE[$seckey]);\r
- }\r
- }\r
-}\r
-\r
-// Activate caching or transparent compressing when it is not already done\r
-if (!defined('_OB_CACHING'))\r
-{\r
- if (phpversion() >= '4.0.4pl1' && (strstr(getenv('HTTP_USER_AGENT'),'compatible') || (strstr(getenv('HTTP_USER_AGENT'), "Mozilla"))))\r
- {\r
- if ((extension_loaded('zlib')) && (function_exists('ob_start')))\r
- {\r
- // Start caching\r
- define('_OB_CACHING', "on");\r
- ob_start();\r
- }\r
- else\r
- {\r
- // Extension not loaded or required function is missing\r
- define('_OB_CACHING', "404");\r
- }\r
- }\r
- else\r
- {\r
- // Old PHP version\r
- define('_OB_CACHING', "old");\r
- }\r
-}\r
-\r
-// At last secure the $_SERVER['PHP_SELF'] element\r
-$_SERVER['PHP_SELF'] = htmlentities(strip_tags($_SERVER['PHP_SELF']), ENT_QUOTES);\r
-\r
-// Split it up into path and filename\r
-$SELF_DIR = dirname($_SERVER['PHP_SELF']);\r
-$SELF_FILE = basename($_SERVER['PHP_SELF']);\r
-\r
-// Check for a .php inside the $SELF_DIR...\r
-while (ereg(".php", $SELF_DIR))\r
-{\r
- // Correct the dirname\r
- $SELF_DIR = substr($SELF_DIR, 0, (strpos($SELF_DIR, ".php") + 4));\r
- // Rewrite filename...\r
- $SELF_FILE = basename($SELF_DIR);\r
- // ... and dirname\r
- $SELF_DIR = dirname($SELF_DIR);\r
-}\r
-\r
-// Put both together again and let's pray it is secured now...\r
-$_SERVER['PHP_SELF'] = $SELF_DIR."/".$SELF_FILE;\r
-\r
-// Remove uneccessary variables\r
-unset($SELF_DIR);\r
-unset($SELF_FILE);\r
-\r
-// Security system loaded...\r
-define('__SECURITY', "1");\r
-\r
-//\r
-?>\r
+<?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");
+
+//
+?>