FAQs not displayed after update

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bajwa
Posts: 2
Joined: Fri Oct 09, 2009 3:19 am

FAQs not displayed after update

Post by bajwa » Fri Oct 09, 2009 3:26 am

I updated installation to version 2.5.2 and now FAQs are not displayed - Page not found error is displayed in the browser. Here is long debug info (sorry for this but was not sure how much info will be useful):

/** * Some basic functions and PMF_Init class. * * @package phpMyFAQ * @subpackage PMF_Init * @author Johann-Peter Hartmann * @author Thorsten Rinne * @author Stefan Esser * @author Matteo Scaramuccia * @author Christian Stocker * @since 2005-09-24 * @copyright 2005-2009 phpMyFAQ Team * @version SVN: $Id: Init.php 4677 2009-08-05 19:46:52Z thorsten $ * * The contents of this file are subject to the Mozilla Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. */ // // Debug mode: // - false debug mode disabled // - true debug mode enabled // define('DEBUG', False); if (DEBUG) { error_reporting(E_ALL & E_STRICT); ini_set('display_errors', 1); } else { ini_set('display_errors', 0); } // // Fix the PHP include path if PMF is running under a "strange" PHP configuration // $foundCurrPath = false; $includePaths = explode(PATH_SEPARATOR, ini_get('include_path')); $i = 0; while((!$foundCurrPath) && ($i < count($includePaths))) { if ('.' == $includePaths[$i]) { $foundCurrPath = true; } $i++; } if (!$foundCurrPath) { ini_set('include_path', '.'.PATH_SEPARATOR.ini_get('include_path')); } // // Tweak some PHP configuration values // Warning: be sure the server has enough memory and stack for PHP // ini_set('pcre.backtrack_limit', 100000000); ini_set('pcre.recursion_limit', 100000000); // // Include our class/interface autoloader // require_once 'autoLoader.php'; // // Read configuration and constants, included main functions // define('PMF_INCLUDE_DIR', dirname(__FILE__)); require_once PMF_INCLUDE_DIR.'/data.php'; require_once PMF_INCLUDE_DIR.'/constants.php'; require_once PMF_INCLUDE_DIR.'/functions.php'; // TODO: Linkverifier.php contains both PMF_Linkverifier class and // helper functions => move the fns into the class. require_once PMF_INCLUDE_DIR.'/Linkverifier.php'; // // Set the error handler to our pmf_error_handler() function // set_error_handler('pmf_error_handler'); // // Create a database connection // define('SQLPREFIX', $DB['prefix']); $db = PMF_Db::dbSelect($DB['type']); $db->connect($DB['server'], $DB['user'], $DB['password'], $DB['db']); // // Fetch the configuration // $faqconfig = PMF_Configuration::getInstance(); $faqconfig->getAll(); $PMF_CONF = $faqconfig->config; // // We always need a valid session! // // Avoid any PHP version to move sessions on URLs ini_set('session.use_only_cookies', 1); ini_set('session.use_trans_sid', 0); ini_set('url_rewriter.tags', ''); // // Connect to LDAP server, when LDAP support is enabled // if ($faqconfig->get('main.ldapSupport') && file_exists(PMF_INCLUDE_DIR . '/dataldap.php')) { require PMF_INCLUDE_DIR . '/dataldap.php'; require PMF_INCLUDE_DIR . '/constants_ldap.php'; } else { $ldap = null; } /** * Build attachments path */ $confAttachmentsPath = trim($faqconfig->get('main.attachmentsPath')); if ('/' == $confAttachmentsPath[0] || preg_match('%^[a-z]:(\\\\|/)%i', $confAttachmentsPath)) { /** * If we're here, some windows or unix style * absolute path was detected. */ define('PMF_ATTACHMENTS_DIR', $confAttachmentsPath); } else { /** * otherwise build the absolute path * */ $tmp = dirname(dirname(__FILE__)) . DIRECTORY_SEPARATOR . $confAttachmentsPath; /** * Check that nobody is traversing */ if (0 === strpos((string)$tmp, dirname(dirname(__FILE__)))) { define('PMF_ATTACHMENTS_DIR', $tmp); } else { define('PMF_ATTACHMENTS_DIR', false); } } /** * PMF_Init * * This class provides methods to clean the request environment from global * variables, unescaped slashes and XSS in the request string. It also detects * and sets the current language. * * @package phpMyFAQ * @subpackage PMF_Init * @author Johann-Peter Hartmann * @author Thorsten Rinne * @author Stefan Esser * @author Matteo Scaramuccia * @author Christian Stocker * @since 2005-09-24 * @copyright 2005-2009 phpMyFAQ Team * @version SVN: $Id: Init.php 4677 2009-08-05 19:46:52Z thorsten $ */ class PMF_Init { /** * The accepted language of the user agend * * @var string */ public $acceptedLanguage = ''; /** * The current language * * @var string */ public static $language = ''; /** * cleanRequest * * Cleans the request environment from: * - global variables, * - unescaped slashes, * - xss in the request string, * - uncorrect filenames when file are uploaded. * * @return void * @access public * @author Johann-Peter Hartmann */ public static function cleanRequest() { if (version_compare(PHP_VERSION, '6.0.0-dev', '<')) { $_SERVER['PHP_SELF'] = strtr(rawurlencode($_SERVER['PHP_SELF']),array( "%2F"=>"/", "%257E"=>"%7E")); } if (isset($_SERVER['HTTP_USER_AGENT'])) { $_SERVER['HTTP_USER_AGENT'] = urlencode($_SERVER['HTTP_USER_AGENT']); } // remove global registered variables to avoid injections if (ini_get('register_globals')) { self::_unregisterGlobalVariables(); } // clean external variables $externals = array('_REQUEST', '_GET', '_POST', '_COOKIE'); foreach ($externals as $external) { if (isset($GLOBALS[$external]) && is_array($GLOBALS[$external])) { // first clean XSS issues $newvalues = $GLOBALS[$external]; $newvalues = self::_removeXSSGPC($newvalues); // then remove magic quotes $newvalues = self::_removeMagicQuotesGPC($newvalues); // clean old array and insert cleaned data foreach (array_keys($GLOBALS[$external]) as $key) { $GLOBALS[$external][$key] = null; unset($GLOBALS[$external][$key]); } foreach (array_keys($newvalues) as $key) { $GLOBALS[$external][$key] = $newvalues[$key]; } } } // clean external filenames (uploaded files) self::_cleanFilenames(); } /** * Clean up a filename: if anything goes wrong, an empty string will be returned * * @param string $filename * @return string * @access private * @since 2006-12-29 * @author Matteo Scaramuccia */ private static function _basicFilenameClean($filename) { global $denyUploadExts; // Remove the magic quotes if enabled $filename = (ini_get('magic_quotes_gpc') ? stripslashes($filename) : $filename); $path_parts = pathinfo($filename); // We need a filename without any path info if ($path_parts['basename'] !== $filename) { return ''; } // We need a filename with at least 1 chars plus the optional extension if (isset($path_parts['extension']) && ($path_parts['basename'] == '.'.$path_parts['extension'])) { return ''; } if (!isset($path_parts['extension']) && (strlen($path_parts['basename']) == 0)) { return ''; } // Deny some extensions (see inc/constants.php), if any if (!isset($path_parts['extension'])) { $path_parts['extension'] = ''; } if (count($denyUploadExts) > 0) { if (in_array(strtolower($path_parts['extension']), $denyUploadExts)) { return ''; } } // Clean the file to remove some chars depending on the server OS // 0. main/rfc1867.c: rfc1867_post_handler removes any char before the last occurence of \/ // 1. Besides \/ on Windows: :*?"<>| if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { $reservedChars = array(':', '*', '?', '"', '<', '>', "'", '|'); $filename = str_replace($reservedChars, '_', $filename); } return $filename; } /** * Clean the filename of any uploaded file by the user and force an error * when calling is_uploaded_file($_FILES[key]['tmp_name']) if the cleanup goes wrong * * @access private * @since 2006-12-29 * @author Matteo Scaramuccia */ private static function _cleanFilenames() { reset($_FILES); while (list($key, $value) = each($_FILES)) { if (is_array($_FILES[$key]['name'])) { reset($_FILES[$key]['name']); // We have a multiple upload with the same name for while (list($idx, $value2) = each($_FILES[$key]['name'])) { $_FILES[$key]['name'][$idx] = self::_basicFilenameClean($_FILES[$key]['name'][$idx]); if ('' == $_FILES[$key]['name'][$idx]) { $_FILES[$key]['type'][$idx] = ''; $_FILES[$key]['tmp_name'][$idx] = ''; $_FILES[$key]['size'][$idx] = 0; $_FILES[$key]['error'][$idx] = UPLOAD_ERR_NO_FILE; } } reset($_FILES[$key]['name']); } else { $_FILES[$key]['name'] = self::_basicFilenameClean($_FILES[$key]['name']); if ('' == $_FILES[$key]['name']) { $_FILES[$key]['type'] = ''; $_FILES[$key]['tmp_name'] = ''; $_FILES[$key]['size'] = 0; $_FILES[$key]['error'] = UPLOAD_ERR_NO_FILE; } } } reset($_FILES); } /** * Gets the accepted language from the user agent * * @return void * @access private * @author Thorsten Rinne * @author Matteo Scaramuccia */ private function _getUserAgentLanguage() { $matches = array(); // $_SERVER['HTTP_ACCEPT_LANGUAGE'] could be like the text below: // it,pt-br;q=0.8,en-us;q=0.5,en;q=0.3 // TODO: (ENH) get an array of accepted languages and cycle through it in self::setLanguage if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { // ISO Language Codes, 2-letters: ISO 639-1, [-] // Simplified language syntax detection: xx[-yy] preg_match("/([a-z\-]+)/i", trim($_SERVER['HTTP_ACCEPT_LANGUAGE']), $matches); if (isset($matches[1])) { $this->acceptedLanguage = $matches[1]; } } } /** * True if the language is supported by the current phpMyFAQ installation * * @param string $langcode * @return bool * @access public * @author Matteo scaramuccia */ public static function isASupportedLanguage($langcode) { global $languageCodes; return isset($languageCodes[strtoupper($langcode)]); } /** * Sets the current language for phpMyFAQ user session * * @param bool $config_detection Configuration detection * @param string $config_language Language from configuration * @return string */ public function setLanguage($config_detection, $config_language) { global $sid; $_lang = array(); self::_getUserAgentLanguage(); // Get language from: _POST, _GET, _COOKIE, phpMyFAQ configuration and the automatic language detection $_lang['post'] = PMF_Filter::filterInput(INPUT_POST, 'language', FILTER_SANITIZE_STRING); if (!is_null($_lang['post']) && !self::isASupportedLanguage($_lang['post']) ) { $_lang['post'] = null; } // Get the user language $_lang['get'] = PMF_Filter::filterInput(INPUT_GET, 'lang', FILTER_SANITIZE_STRING); if (!is_null($_lang['get']) && !self::isASupportedLanguage($_lang['get']) ) { $_lang['get'] = null; } // Get the faq record language $_lang['artget'] = PMF_Filter::filterInput(INPUT_GET, 'artlang', FILTER_SANITIZE_STRING); if (!is_null($_lang['artget']) && !self::isASupportedLanguage($_lang['artget']) ) { $_lang['get'] = null; } // Get the language from the session if (isset($_SESSION['pmf_lang']) && self::isASupportedLanguage($_SESSION['pmf_lang']) ) { $_lang['session'] = trim($_SESSION['pmf_lang']); } // Get the language from the config if (isset($config_language)) { $confLangCode = str_replace(array("language_", ".php"), "", $config_language); if (self::isASupportedLanguage($confLangCode) ) { $_lang['config'] = $confLangCode; } } // Detect the browser's language if ((true === $config_detection) && self::isASupportedLanguage($this->acceptedLanguage) ) { $_lang['detection'] = $this->acceptedLanguage; } // Select the language if (isset($_lang['post'])) { self::$language = $_lang['post']; $_lang = null; unset($_lang); } elseif (isset($_lang['get'])) { self::$language = $_lang['get']; } elseif (isset($_lang['session'])) { self::$language = $_lang['session']; $_lang = null; unset($_lang); } elseif (isset($_lang['detection'])) { self::$language = $_lang['detection']; $_lang = null; unset($_lang); } elseif (isset($_lang['config'])) { self::$language = $_lang['config']; $_lang = null; unset($_lang); } else { self::$language = 'en'; // just a fallback } return $_SESSION['pmf_lang'] = self::$language; } /** * This function deregisters the global variables only when 'register_globals = On'. * Note: you must assure that 'session_start()' is called AFTER this function and not BEFORE, * otherwise each $_SESSION key will be set to NULL because $GLOBALS * has an entry, as copy-by-ref, for each $_SESSION key when 'register_globals = On'. * * @return void * @access private * @author Stefan Esser */ private static function _unregisterGlobalVariables() { if (!ini_get('register_globals')) { return; } if (isset($_REQUEST['GLOBALS']) || isset($_FILES['GLOBALS'])) { die('GLOBALS overwrite attempt detected.'); } $noUnset = array('GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES'); $input = array_merge($_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset($_SESSION) && is_array($_SESSION) ? $_SESSION : array()); foreach (array_keys($input) as $k) { if (!in_array($k, $noUnset) && isset($GLOBALS[$k])) { $GLOBALS[$k] = null; unset($GLOBALS[$k]); } } } /** * This function removes the magic quotes if they are enabled. * * @param array * @return array * @access private * @author Thorsten Rinne */ private static function _removeMagicQuotesGPC($data) { static $recursionCounter = 0; // Avoid webserver crashes. For any detail, see: http://www.php-security.org/MOPB/MOPB-02-2007.html // Note: 1000 is an heuristic value, large enough to be "transparent" to PMF. if ($recursionCounter > 1000) { die('Deep recursion attack detected.'); } if (ini_get('magic_quotes_gpc')) { $addedData = array(); foreach ($data as $key => $val) { $key = addslashes($key); if (is_array($val)) { $recursionCounter++; $addedData[$key] = self::_removeMagicQuotesGPC($val); } else { $addedData[$key] = $val; } } return $addedData; } return $data; } /** * Cleans a html string from some xss issues * * @param string $string * @return string * @access private * @author Christian Stocker * @copyright Copyright (c) 2001-2008 Liip AG */ private static function _basicXSSClean($string) { global $PMF_LANG; if (strpos($string, '\0') !== false) { return null; } if (ini_get('magic_quotes_gpc')) { $string = stripslashes($string); } $string = str_replace(array("&", "<", ">"), array("&", "<", ">"), $string); // fix &entitiy\n; $string = preg_replace('#(&\#*\w+)[\x00-\x20]+;#', "$1;", $string); $string = preg_replace('#(&\#x*)([0-9A-F]+);*#i', "$1$2;", $string); $string = html_entity_decode($string, ENT_COMPAT, $PMF_LANG['metaCharset']); // remove any attribute starting with "on" or xmlns $string = preg_replace('#(<[^>]+[\x00-\x20\"\'\/])(on|xmlns)[^>]*>#iU', "$1>", $string); // remove javascript: and vbscript: protocol $string = preg_replace('#([a-z]*)[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*)[\\x00-\x20]*j[\x00-\x20]*a[\x00-\x20]*v[\x00-\x20]*a[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#iU', '$1=$2nojavascript...', $string); $string = preg_replace('#([a-z]*)[\x00-\x20]*=([\'\"]*)[\x00-\x20]*v[\x00-\x20]*b[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#iU', '$1=$2novbscript...', $string); $string = preg_replace('#([a-z]*)[\x00-\x20]*=([\'\"]*)[\x00-\x20]*-moz-binding[\x00-\x20]*:#U', '$1=$2nomozbinding...', $string); $string = preg_replace('#([a-z]*)[\x00-\x20]*=([\'\"]*)[\x00-\x20]*data[\x00-\x20]*:#U', '$1=$2nodata...', $string); // // only works in ie... $string = preg_replace('#(<[^>]+)style[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*).*expression[\x00-\x20]*\([^>]*>#iU', "$1>", $string); $string = preg_replace('#(<[^>]+)style[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*).*behaviour[\x00-\x20]*\([^>]*>#iU', "$1>", $string); $string = preg_replace('#(<[^>]+)style[\x00-\x20]*=[\x00-\x20]*([\`\'\"]*).*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:*[^>]*>#iU', "$1>", $string); //remove namespaced elements (we do not need them...) $string = preg_replace('#]*>#i', "", $string); //remove really unwanted tags do { $oldstring = $string; $string = preg_replace('#]*>#i', "", $string); } while ($oldstring != $string); return $string; } /** * Removes xss from an array * * @param array $data * @return array * @acces private * @author Thorsten Rinne * @author Johann-Peter Hartmann */ private static function _removeXSSGPC($data) { static $recursionCounter = 0; // Avoid webserver crashes. For any detail, see: http://www.php-security.org/MOPB/MOPB-02-2007.html // Note: 1000 is an heuristic value, large enough to be "transparent" to PMF. if ($recursionCounter > 1000) { die('Deep recursion attack detected.'); } $cleanData = array(); foreach ($data as $key => $val) { $key = self::_basicXSSClean($key); if (is_array($val)) { $recursionCounter++; $cleanData[$key] = self::_removeXSSGPC($val); } else { $cleanData[$key] = self::_basicXSSClean($val); } } return $cleanData; } }
Fatal error: Class 'PMF_Init' not found in /home/srsaus/public_html/phpfaq/index.php on line 45

Thorsten
Posts: 14718
Joined: Tue Sep 25, 2001 11:14 am
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Re: FAQs not displayed after update

Post by Thorsten » Fri Oct 09, 2009 4:48 am

Hi,

from which version did you updated? Which PHP version do you use?

bye
Thorsten
phpMyFAQ Maintainer and Lead Developer
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bajwa
Posts: 2
Joined: Fri Oct 09, 2009 3:19 am

Re: FAQs not displayed after update

Post by bajwa » Sat Oct 10, 2009 12:17 am

PHP version is 5.2.9 (I am using BlueHost as service provider) and upgrade was from phpMyFAQ 2.0.17

- Wajeeh

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