X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=inc%2Flibs%2Fsecurity_functions.php;h=9dc3238a3044f84d697b32d3176063e3d8b6889f;hb=79e518ecf01f45b3ba53d81e62d4a0a1da65ed0e;hp=363bca731cd0feae1a4f11ed7a076d092c890b41;hpb=80e2def8ef2125fd4d7d1312ee3993ab613f0846;p=mailer.git diff --git a/inc/libs/security_functions.php b/inc/libs/security_functions.php index 363bca731c..9dc3238a30 100644 --- a/inc/libs/security_functions.php +++ b/inc/libs/security_functions.php @@ -10,7 +10,12 @@ * -------------------------------------------------------------------- * * Kurzbeschreibung : Alle GET, POST und COOKIE-Daten sichern * * -------------------------------------------------------------------- * - * * + * $Revision:: $ * + * $Date:: $ * + * $Tag:: 0.2.1-FINAL $ * + * $Author:: $ * + * Needs to be in all Files and every File needs "svn propset * + * svn:keywords Date Revision" (autoprobset!) at least!!!!!! * * -------------------------------------------------------------------- * * Copyright (c) 2003 - 2008 by Roland Haeder * * For more information visit: http://www.mxchange.org * @@ -33,7 +38,7 @@ // Some security stuff... if (ereg(basename(__FILE__), $_SERVER['PHP_SELF'])) { - $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php"; + $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), '/inc') + 4) . '/security.php'; require($INC); } @@ -41,10 +46,17 @@ if (ereg(basename(__FILE__), $_SERVER['PHP_SELF'])) { * Function to secure input strings * * @param $str The unsecured string + * @param $strip Strip tags * @return $str A (hopefully) secured string against XSS and other bad things */ -function secureString ($str) { - $str = trim(strip_tags($str)); +function secureString ($str, $strip=true) { + // Shall we strip HTML code? + if ($strip) $str = strip_tags($str); + + // Trim string + $str = trim($str); + + // Encode in entities $str = htmlentities($str, ENT_QUOTES); return $str; } @@ -52,10 +64,6 @@ function secureString ($str) { // Run only once this security check/exchange if (defined('__SECURITY')) return; -// Fatal messages goes here -global $FATAL; -$FATAL = array(); - // Runtime/GPC quoting is off now... @set_magic_quotes_runtime(false); @ini_set('magic_quotes_gpc', false); // This may not work on some systems @@ -76,26 +84,20 @@ if (!isset($_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( +$GLOBALS['security_chars'] = array( // The chars we are looking for... - 'from' => array("{", "}", "/", ".", "'", "$", "(", ")", '{--', '--}', "%", ";", "[", "]", ":", "--"), + 'from' => array("{", "}", "/", ".", "'", "$", "(", ")", '{--', '--}', "%", ';', "[", "]", ":", "--"), // ... and we will replace to. 'to' => array( "{OPEN_ANCHOR2}", "{CLOSE_ANCHOR2}", "{SLASH}", "{DOT}", - '{QUOT}', + "{QUOT}", "{DOLLAR}", "{OPEN_ANCHOR}", "{CLOSE_ANCHOR}", @@ -114,7 +116,7 @@ $SEC_CHARS = array( // // Note: Do not replace 'to' with 'from' and vise-versa! When you do this all booked URLs will be // rejected because of the {SLASH}, {DOT} and all below listed items inside the URL. -$URL_CHARS = array( +$GLOBALS['url_chars'] = array( // Search for these secured characters 'to' => array("{SLASH}", "{DOT}", "{PER}", "{DBL_DOT}", "{COMMENT}"), // Replace with these characters @@ -129,9 +131,9 @@ if (is_array($_GET)) { unset($_GET[$seckey]); } else { // Only variables are allowed (non-array) but we secure them all! - foreach ($SEC_CHARS['from'] as $key => $char) { + foreach ($GLOBALS['security_chars']['from'] as $key => $char) { // Pass all through - $_GET[$seckey] = str_replace($char , $SEC_CHARS['to'][$key], $_GET[$seckey]); + $_GET[$seckey] = str_replace($char , $GLOBALS['security_chars']['to'][$key], $_GET[$seckey]); } // Strip all other out @@ -140,37 +142,20 @@ if (is_array($_GET)) { } } -if (basename($_SERVER['PHP_SELF']) != "install.php") { +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 => $char) { + foreach ($GLOBALS['security_chars']['from'] as $key => $char) { // Pass all through - $_POST[$seckey] = str_replace($char , $SEC_CHARS['to'][$key], $_POST[$seckey]); + $_POST[$seckey] = str_replace($char , $GLOBALS['security_chars']['to'][$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