Virtuemart Categories display Products don't

I've tested all 6 of the flypage settings. The links from categories continue to have php.cgi  
The recently viewed products links also have the improper  php.cgi.

Hmmm, I had a look a the forums, there's an ugly hack to get around that. Could you post administrator/components/com_virtuemart/classes/ps_session.php so I can edit it for you.

Thanks

What version of PHP are you using? Are you using SOAP as well?

PHP Version 4.4.7
Sorry. I don't know what SOAP is.  How do I find out?

<?php
if( !defined( '_VALID_MOS' ) && !defined( '_JEXEC' ) ) die( 'Direct Access to '.basename(__FILE__).' is not allowed.' );
/**
*
* @version $Id: ps_session.php 1526 2008-09-15 19:21:43Z soeren_nb $
* @package VirtueMart
* @subpackage classes
* @copyright Copyright (C) 2004-2008 soeren - All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* VirtueMart is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See /administrator/components/com_virtuemart/COPYRIGHT.php for copyright notices and details.
*
* http://virtuemart.net
*/


/**
 * This class handles the session initialization, restart
 * and the re-init of a session after redirection to a Shared SSL domain
 *
 */
class ps_session {

      var $component_name;
      var $_session_name = 'virtuemart';
      /**
     * Initialize the Session environment for VirtueMart
     *
     */
      function ps_session() {
            
            $this->component_name = 'option='.VM_COMPONENT_NAME;
            
            $this->initSession();
      }
      /**
     * Initiate the Session
     *
     */
      function initSession() {
            global $vmLogger, $mainframe, $mosConfig_absolute_path, $VM_LANG;
            
            // We only care for the session if it is not started!
            if( empty( $_SESSION ) || session_id() == '') {
                  
                  if(ini_get('session.session_save_handler') == 'files') {
                        // Check if the session_save_path is writable
                        $this->checkSessionSavePath();
                  }
                  session_name( $this->_session_name );
                  
                  if( @$_REQUEST['option'] == 'com_virtuemart' ) {
                        ob_start();// Fix for the issue that printed the shop contents BEFORE the page begin
                  }
                  @session_start();
                  
                  if( !empty($_SESSION) && !empty($_COOKIE[$this->_session_name])) {
                        $vmLogger->debug( 'A Session called '.$this->_session_name.' (ID: '.session_id().') was successfully started!' );
                  }
                  else {
                  }
            }
            else {
                  if( empty( $_COOKIE['virtuemart']) && !vmIsJoomla('1.5', '>=')) {
                        $_COOKIE['virtuemart'] = $this->getSessionId();                  
                        if( USE_AS_CATALOGUE == '' ) {
                              $vmLogger->debug( 'A Cookie had to be set to keep the session (there was none - does your Browser keep the Cookie?) although a Session already has been started! If you see this message on each page load, your browser doesn\'t accept Cookies from this site.' );
                        }
                  }
                  $vmLogger->debug( 'Using existing Session '.session_name().', ID: '.session_id().'.');
            }
            // Cookie Check
            // Introduced to check if the user-agent accepts cookies
            if( @$_REQUEST['option'] == 'com_virtuemart' && empty($_GET['martID'])
                  && USE_AS_CATALOGUE != '1' && VM_ENABLE_COOKIE_CHECK == '1' && !vmIsAdminMode() ) {
                  $this->doCookieCheck();
            }
      }
      /**
       * Checks if the user-agent accepts cookies
       * @since VirtueMart 1.0.7
       * @author soeren
       */
      function doCookieCheck() {
            global $mm_action_url, $VM_LANG;
            
            $doCheck = vmGet( $_REQUEST, 'vmcchk', 0 );
            $isOK = vmGet( $_SESSION, 'VMCHECK' );
            
            if( $doCheck && $isOK != 'OK' ) {
                  $GLOBALS['vmLogger']->info( $VM_LANG->_('VM_SESSION_COOKIES_NOT_ACCEPTED_TIP',false) );
            }
            elseif( empty( $isOK )) {
                  $_SESSION['VMCHECK'] = 'OK';
                  $query_string = vmGet($_SERVER,'QUERY_STRING');
                  if( !empty($query_string) && empty( $_POST )) {
                        vmRedirect( $this->url( $mm_action_url . 'index.php?' .$query_string .'&vmcchk=1', true, false ));
                  }
            }
      }
            
      /**
       * Returns the Joomla/Mambo Session ID
       * @static
       */
      function getSessionId() {
            global $mainframe;
            // Joomla >= 1.0.8
            if( is_callable( array( 'mosMainframe', 'sessionCookieName'))) {                  
                  // Session Cookie `name`
                  $sessionCookieName       = mosMainFrame::sessionCookieName();
                  // Get Session Cookie `value`
                  $sessionCookie             = vmGet( $_COOKIE, $sessionCookieName, null );
                  // Session ID / `value`
                  return mosMainFrame::sessionCookieValue( $sessionCookie );
                  
            }
            // Mambo 4.6
            elseif( is_callable( array('mosSession', 'getCurrent' ))) {
                  $session =& mosSession::getCurrent();
                  return $session->session_id;
            }
            // Mambo <= 4.5.2.3 and Joomla <= 1.0.7
            elseif( !empty( $mainframe->_session->session_id )) {
                  // Set the sessioncookie if its missing
                  // this is needed for joomla sites only
                  return $mainframe->_session->session_id;
            }
            else {
                  return session_id();
            }
      }
      /**
       * This function returns a base64_encoded string:
       * VMsessionId|JsessionID
       *
       */
      function getMartId() {
            global $vmuser, $mosConfig_secret;
            
            // Get the Joomla! / Mambo session ID
            $sessionId = ps_session::getSessionId();
            
            $userNameSeed = '';
            if( $vmuser->id ) {
                  $userNameSeed = '|'.md5( $vmuser->username . $vmuser->password . $mosConfig_secret );
                  if( is_callable(array('mosMainFrame', 'remCookieName_User'))) {
                        if( !empty( $GLOBALS['real_mosConfig_live_site'] ) && empty( $_REQUEST['real_mosConfig_live_site'])) {
                              $GLOBALS['mosConfig_live_site'] = $GLOBALS['real_mosConfig_live_site'];
                        }
                        $userNameSeed .= '|' . vmGet( $_COOKIE, mosMainFrame::remCookieName_User(), '' );
                  }
            }
            
            $martID = base64_encode( vmCreateHash($_COOKIE[$this->_session_name] . $sessionId) . $userNameSeed );
            return $martID;
      }
      /**
       * Saves the session contents to a file (so they the session can be continued later on) and does a redirect
       *
       * @param boolean $toSecure Redirect to a https or http domain?
       */
      function saveSessionAndRedirect( $toSecure = true ) {
            $martID = $this->getMartId();
                        
            $sessionFile = IMAGEPATH. md5( $martID ).'.sess';
            $session_contents = session_encode();
            
            if( file_exists( ADMINPATH.'install.copy.php')) {
                  require_once( ADMINPATH.'install.copy.php');
            }
            
            file_put_contents( $sessionFile, $session_contents );
            
            $url = $toSecure ? SECUREURL : URL;
            
            // Redirect and send the Cookie Values within the variable martID
            vmRedirect( $this->url( $url . basename($_SERVER['PHP_SELF']).'?'.vmGet($_SERVER,'QUERY_STRING')."&martID=$martID&redirected=1", true, false, true ) );
      }
      /**
       * It does what the name says. It starts a session again (with a certain ID when a $sid is given)
       *
       * @param string $sid
       */
      function restartSession( $sid = '') {
            
            // Save the session data and close the session
            session_write_close();
            
            // Prepare the new session
            if( $sid != '' ) {
                  session_id( $sid );
            }
            session_name( $this->_session_name );
            // Start the new Session.
            session_start();
            
      }
      
      function emptySession() {
            global $mainframe;
            $_SESSION = array();
            $_COOKIE[$this->_session_name] = md5( $this->getSessionId() );
      }
      /**
     * This is a solution for  the Shared SSL problem
     * We have to copy some cookies from the Main Mambo site domain into
     * the shared SSL domain (only when necessary!)
       *
       * The function is called on each page load.
       */
      function prepare_SSL_Session() {
            global $mainframe, $my, $database, $mosConfig_secret, $page, $VM_MODULES_FORCE_HTTPS;
            if( vmIsAdminMode() && vmIsJoomla('1.0')) {
                  return;
            }
            $ssl_redirect = vmGet( $_GET, "ssl_redirect", 0 );
            $redirected = vmGet( $_GET, "redirected", 0 );
            $martID = vmGet( $_GET, 'martID', '' );
            $ssl_domain = "";
            
            if (!empty( $VM_MODULES_FORCE_HTTPS )) {
                  $pagearr = explode( '.', $page );
                  $module = $pagearr[0];
                  // When NOT in https mode, but the called page is part of a shop module that is
                  // forced to use https, we prepare the redirection to https here
                  if( array_search( $module, $VM_MODULES_FORCE_HTTPS ) !== false
                        && !vmIsHttpsMode()
                        && $this->check_Shared_SSL( $ssl_domain )
                        ) {
                              
                        $ssl_redirect = 1;
                  }
            }
            // Generally redirect to HTTP (from HTTPS) when it is not necessary? (speed up the pageload)
            if( VM_GENERALLY_PREVENT_HTTPS == '1'
                  && vmIsHttpsMode() && $redirected != 1
                  && $ssl_redirect == 0 && !vmIsAdminMode()
                  && URL != SECUREURL
                  && @$_REQUEST['option']=='com_virtuemart') {
                        
                  $pagearr = explode( '.', $page );
                  $module = $pagearr[0];
                  
                  // When it is not necessary to stay in https mode, we leave it here
                  if( array_search( $module, $VM_MODULES_FORCE_HTTPS ) === false ) {
                        if( $this->check_Shared_SSL($ssl_domain)) {
                              $this->saveSessionAndRedirect( false );
                        }
                        $query_string = vmGet($_SERVER,'QUERY_STRING');
                        if( !empty($query_string) && empty( $_POST )) {
                              vmRedirect( $this->url( URL.basename( $_SERVER['PHP_SELF']).'?'.vmGet($_SERVER,'QUERY_STRING').'&redirected=1', true, false, true ));
                        }
                  }
            }
            
            /**
        * This is the first part of the Function:
        * We check if the function must be called at all
        * Usually this is only called once: Before we go to the checkout.
        * The variable ssl_redirect=1 is appended to the URL, just for this function knows
        * is must be active! This has nothing to do with SSL / Shared SSL or whatever
        */
            if( $ssl_redirect == 1 ) {
                  
                  $_SERVER['QUERY_STRING'] = str_replace('&ssl_redirect=1', '', vmGet($_SERVER, 'QUERY_STRING' ) );
                  // check_Shared_SSL compares the normal http domain name
                  // and the https Domain Name. If both do not match, we move on
                  // else we leave this function.
                  if( $this->check_Shared_SSL( $ssl_domain ) && !vmIsHttpsMode() && $redirected == 0) {
                        
                        $this->saveSessionAndRedirect( true );
                  }
                  // do nothing but redirect
                  elseif( !vmIsHttpsMode() && $redirected == 0 ) {
                        vmRedirect( $this->url(SECUREURL . basename($_SERVER['PHP_SELF'])."?".vmGet($_SERVER,'QUERY_STRING').'&redirected=1', true, false, true ) );
                  }
            }
            /**
        * This is part two of the function
        * If the redirect (see 4/5 lines above) was successful
        * and the Store uses Shared SSL, we have the variable martID
        * So let's copy the Session contents ton the new domain and start the session again
        * othwerwise: do nothing.
        */
            if( !empty( $martID ) ) {
                  
                  if( $this->check_Shared_SSL( $ssl_domain ) ) {
      
                        // We now need to copy the Session Data to the SSL Domain
                        if( $martID ) {                              
                              
                              require_once( ADMINPATH.'install.copy.php');
                              
                              $sessionFile = IMAGEPATH. md5( $martID ).'.sess';
                              
                              // Read the contents of the session file
                              $session_data = file_get_contents( $sessionFile );
                              
                              // Delete it for security and disk space reasons
                              unlink( $sessionFile );
                              
                              // Read the session data into $_SESSION
                              // From now on, we can use all the data in $_SESSION
                              session_decode( $session_data );
                              
                              $check = base64_decode( $martID );
                              $checkValArr = explode( "|", $check );
                              
                              if( defined('_JEXEC') ) {
                                    //TODO
                              }
                              elseif( class_exists('mambocore')) {
                                    //TODO
                              }
                              elseif( $GLOBALS['_VERSION']->RELEASE == '1.0' && (int)$GLOBALS['_VERSION']->DEV_LEVEL >= 13) {
                                    if( !empty( $GLOBALS['real_mosConfig_live_site'] ) && empty( $_REQUEST['real_mosConfig_live_site'])) {
                                          $GLOBALS['mosConfig_live_site'] = $GLOBALS['real_mosConfig_live_site'];
                                    }
                                    if( !empty( $checkValArr[2] )) {
                                          // Joomla! >= 1.0.13 can be cheated to log in a user who has previsously logged in and checked the "Remember me" box
                                          setcookie( mosmainframe::remCookieName_User(), $checkValArr[2], false, '/' );
                                          // there's no need to call "$mainframe->login"
                                    }
                              } else {
                                    // Check if the user was logged in in the http domain
                                    // and is not yet logged in at the Shared SSL domain
                                    if( isset( $checkValArr[1] ) && !$my->id ) {
                                          // user should expect to be logged in,
                                          // we can use the values from $_SESSION['auth'] now
                                          $username = $database->getEscaped( trim( $_SESSION['auth']['user_name'] ) );
                                          if( !empty( $username )) {
                                                $database->setQuery('SELECT username, password FROM `#__users` WHERE `username` = \''.$username.'\';');
                                                $database->loadObject( $user );
                                                if( is_object( $user )) {
                                                      // a last security check using the transmitted md5 hash and the rebuilt hash
                                                      $check = md5( $user->username . $user->password . $mosConfig_secret );
                                                      if( $check === $checkValArr[1] ) {
                                                            // Log the user in with his username
                                                            $mainframe->login( $user->username, $user->password );
                                                      }
                                                }
                                                
                                          }
                                    }
                              }
                                                      
                              
                              session_write_close();
                              
                              // Prevent the martID from being displayed in the URL
                              if( !empty( $_GET['martID'] )) {
                                    $query_string = substr_replace( vmGet($_SERVER,'QUERY_STRING'), '', strpos( vmGet($_SERVER,'QUERY_STRING'), '&martID'));
                                    $url = vmIsHttpsMode() ? SECUREURL : URL;
                                    vmRedirect( $this->url( $url . "index.php?$query_string&cartReset=N&redirected=1", true, false, true) );
                              }
      
                        }
      
                  }
            }
      }
      /**
       * This function compares the store URL with the SECUREURL
       * and returns the result
       *
       * @param string $ssl_domain The SSL domain (empty string to be filled here)
       * @return boolean True when we have to do a SSL redirect (for Shared SSL)
       */
      function check_Shared_SSL( &$ssl_domain ) {
            
            if( URL == SECUREURL ) {
                  $ssl_domain = str_replace("http://", "", URL );
                  $ssl_redirect = false;
                  return $ssl_redirect;
            }
            
            // Extract the Domain Names without the Protocol
            $domain = str_replace("http://", "", URL );
            $ssl_domain = str_replace("https://", "", SECUREURL );
            // If SSL and normal Domain do not match,
            // we assume that you use Shared SSL

            if( $ssl_domain != $domain ) {
                  $ssl_redirect = true;
            }
            else {
                  $ssl_redirect = false;
            }

            return $ssl_redirect;
      }
      /**
       * Correct the session save path if necessary
       * or generate an error if the save path can't be corrected
       *
       * @return mixed
       */
      function checkSessionSavePath() {
            global $mosConfig_absolute_path, $VM_LANG, $vmLogger;
            
            if( !@is_writable( session_save_path()) ) {
                  // If the session save path is not writable this can have different
                  // reasons. One reason is that the open_basedir directive is set, but
                  // doesn't include the session_save_path
                  $open_basedir = @ini_get('open_basedir'); // Get the list of allowed directories
                  if( !empty($open_basedir)) {
                        switch( substr( strtoupper( PHP_OS ), 0, 3 ) ) {
                              case "WIN":
                                    $basedirs = explode(';', $open_basedir );
                                    break;
                              case "MAC": // fallthrough
                              case "DAR": // Does PHP_OS return 'Macintosh' or 'Darwin' ?
                              default: // change nothing
                                    $basedirs = explode(':', $open_basedir );
                                    break;
                              break;
                        }
                        $session_save_path_is_allowed_directory = false;
                        foreach ( $basedirs as $basedir ) {
                              $basedir_strlen = strlen( $basedir );
                              // If the session save path is a subdirectory of a directory allowed by open_basedir
                              // we need to do further investigation
                              if( strtolower( substr( session_save_path(), 0, $basedir_strlen )) == $basedir ) {
                                    $session_save_path_is_allowed_directory = true;
                              }
                        }
                        if( !$session_save_path_is_allowed_directory) {
                              // PHP Sessions can be stored in a session save path which is not
                              // allowed through open_basedir!
                              return true;
                        }
                  }
                  $try_these_paths = array( 'Cache Path' => $mosConfig_absolute_path. '/cache',
                                                            'Media Directory' => $mosConfig_absolute_path.'/media',
                                                            'Shop Image Directory' => IMAGEPATH );
                  foreach( $try_these_paths as $name => $session_save_path ) {
                        if( @is_writable( $session_save_path )) {
                              $vmLogger->debug( sprintf( $VM_LANG->_('VM_SESSION_SAVEPATH_UNWRITABLE_TMPFIX',false), session_save_path(), $name));
                              session_save_path( $session_save_path );
                              break;
                        }
                  }
            }
            // If the path is STILL not writable, generate an error
            if( !@is_writable( session_save_path()) ) {
                  $vmLogger->err( $VM_LANG->_('VM_SESSION_SAVEPATH_UNWRITABLE',false) );
            }
      }
      /**
     * Gets the Itemid for the com_virtuemart Component
     * and stores it in a global Variable
     *
     * @return int Itemid
     */
      function getShopItemid() {

            if( empty( $_REQUEST['shopItemid'] )) {
                  $db = new ps_DB;
                  $db->query( "SELECT id FROM #__menu WHERE link='index.php?option=com_virtuemart' AND published=1");
                  if( $db->next_record() ) {
                        $_REQUEST['shopItemid'] = $db->f("id");
                  }
                  else {
                        if( !empty( $_REQUEST['Itemid'] )) {
                              $_REQUEST['shopItemid'] = intval( $_REQUEST['Itemid'] );
                        }
                        else {
                              $_REQUEST['shopItemid'] = 1;
                        }
                  }
            }

            return intval($_REQUEST['shopItemid']);

      }
      
      /**
       * Prints a reformatted URL
       *
       * @param string $text
       */
      function purl($text, $createAbsoluteURI=false, $encodeAmpersands=true, $ignoreSEF=false) {            
            echo $this->url( $text, $createAbsoluteURI, $encodeAmpersands, $ignoreSEF );            
      }
      
      /**
       * This reformats an URL, appends "option=com_virtuemart" and "Itemid=XX"
       * where XX is the Id of an entry in the table mos_menu with "link: option=com_virtuemart"
       * It also calls sefRelToAbs to apply SEF formatting
       *
       * @param string $text THE URL
       * @param boolean False: Create a URI like /joomla/index.php?....; True: Create a URI like http://www.domain.com/index.php?....
       * @return string The reformatted URL
       */
      function url($text, $createAbsoluteURI=false, $encodeAmpersands=true, $ignoreSEF=false ) {
            global $mm_action_url, $page, $mainframe;
            
            if( !defined( '_VM_IS_BACKEND' )) {
                  $Itemid = "&Itemid=".$this->getShopItemid();
            }
            else {
                  $Itemid = '';
            }

            switch ($text) {
                  case SECUREURL:
                        $text =  SECUREURL.basename( $_SERVER['SCRIPT_NAME'] )."?".$this->component_name.$Itemid;
                        break;
                  case URL:
                        $text =  URL.basename( $_SERVER['SCRIPT_NAME'] )."?".$this->component_name.$Itemid;
                        break;
                        
                  default:
                        $limiter = strpos($text, '?');
                        if( !stristr( $text, $_SERVER['SCRIPT_NAME']) && $limiter === false ) {
                              $text = '?'.$text;
                        }
                        $appendix = "";
                        // now append "&option=com_virtuemart&Itemid=XX"
                        if (!strstr($text, "option=")) {
                              $appendix .= "&" . $this->component_name;
                        }
                        $appendix .= $Itemid;
                        
                        $script = basename( substr( $text, 0, $limiter ));
                        if( $script == '' ) {
                              $script = basename( $_SERVER['SCRIPT_NAME'] );
                        }
                        
                        if (!defined( '_VM_IS_BACKEND' )) {
                              if( $script == 'index3.php') {
                                    $script = 'index2.php'; // index3.php is not available in the frontend!
                              }
      
                              $appendix = $script.substr($text, $limiter, strlen($text)).$appendix;
                        
                              if( class_exists('JRoute') && !$ignoreSEF && $mainframe->getCfg('sef') ) {
                                    $appendix = JRoute::_( str_replace( $script.'&', $script.'?', $appendix ) );
                                    
                              }
                              else if( function_exists('sefRelToAbs') && !$ignoreSEF && !defined( '_JLEGACY' ) ) {
                                    $appendix = sefRelToAbs( str_replace( $script.'&', $script.'?', $appendix ) );
                              }
                              if( $createAbsoluteURI && substr($appendix,0,4)!='http'  && ($ignoreSEF || !$mainframe->getCfg('sef')) ) {
                                    $appendix = URL . $appendix;
                              }
                              
                              
                        }
                        elseif( $_SERVER['SERVER_PORT'] == 443 ) {
                              //$script = strstr($_SERVER['PHP_SELF'], 'index2.php') ? 'index2.php' : 'index3.php';
                              
                              $appendix = SECUREURL."administrator/$script".substr($text, $limiter, strlen($text)-1).$appendix;
                        }
                        else {
                              //$script = strstr($_SERVER['PHP_SELF'], 'index2.php') ? 'index2.php' : 'index3.php';
                              $appendix = URL."administrator/$script".substr($text, $limiter, strlen($text)-1).$appendix;
                        }
                        if( vmIsAdminMode() && strstr($text, 'func') !== false ) {
                              $appendix .= '&vmtoken='.vmSpoofValue($this->getSessionId());
                        }
                        if ( stristr($text, SECUREURL)) {
                              $appendix = str_replace(URL, SECUREURL, $appendix);
                        }
                        elseif( stristr($text, URL) && $createAbsoluteURI ) {
                              $appendix = str_replace(SECUREURL, URL, $appendix);
                        }
      
                        $text = $appendix;
      
                        break;
            }
            if( $encodeAmpersands ) {
              $text = vmAmpReplace( $text );
          }  else {
            $text = str_replace( '&amp;', '&', $text );
          }
            return $text;
      }

      /**
       * Formerly printed the session id into a hidden field
       * @deprecated
       * @return boolean
       */
      function hidden_session() {
            return true;
      }

      function initRecentProducts() {
            global $recentproducts, $sess;
            // Register the recentproducts
            if (empty($_SESSION['recent'])) {
                  $recentproducts = array();
                  $recentproducts['idx'] = 0;
                  $_SESSION['recent'] = $recentproducts;
                  return $recentproducts;
            }
            
            return $_SESSION['recent'];
      }

} // end of class session
?>

classes/ps_session.php attached

<?php 
if( !defined( '_VALID_MOS' ) && !defined( '_JEXEC' ) ) die( 'Direct Access to '.basename(__FILE__).' is not allowed.' );
/**
*
* @version $Id: ps_session.php 1526 2008-09-15 19:21:43Z soeren_nb $
* @package VirtueMart
* @subpackage classes
* @copyright Copyright (C) 2004-2008 soeren - All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* VirtueMart is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See /administrator/components/com_virtuemart/COPYRIGHT.php for copyright notices and details.
*
* http://virtuemart.net
*/
 
 
/**
 * This class handles the session initialization, restart
 * and the re-init of a session after redirection to a Shared SSL domain
 *
 */
class ps_session {
 
	var $component_name;
	var $_session_name = 'virtuemart';
	/**
     * Initialize the Session environment for VirtueMart
     *
     */
	function ps_session() {
		
		$this->component_name = 'option='.VM_COMPONENT_NAME;
		
		$this->initSession();
	}
	/**
     * Initiate the Session
     *
     */
	function initSession() {
		global $vmLogger, $mainframe, $mosConfig_absolute_path, $VM_LANG;
		
		// We only care for the session if it is not started!
		if( empty( $_SESSION ) || session_id() == '') {
			
			if(ini_get('session.session_save_handler') == 'files') {
				// Check if the session_save_path is writable
				$this->checkSessionSavePath();
			}
			session_name( $this->_session_name );
			
			if( @$_REQUEST['option'] == 'com_virtuemart' ) {
				ob_start();// Fix for the issue that printed the shop contents BEFORE the page begin
			}
			@session_start();
			
			if( !empty($_SESSION) && !empty($_COOKIE[$this->_session_name])) {
				$vmLogger->debug( 'A Session called '.$this->_session_name.' (ID: '.session_id().') was successfully started!' );
			}
			else {
			}
		}
		else {
			if( empty( $_COOKIE['virtuemart']) && !vmIsJoomla('1.5', '>=')) {
				$_COOKIE['virtuemart'] = $this->getSessionId();			
				if( USE_AS_CATALOGUE == '' ) {
					$vmLogger->debug( 'A Cookie had to be set to keep the session (there was none - does your Browser keep the Cookie?) although a Session already has been started! If you see this message on each page load, your browser doesn\'t accept Cookies from this site.' );
				}
			}
			$vmLogger->debug( 'Using existing Session '.session_name().', ID: '.session_id().'.');
		}
		// Cookie Check
		// Introduced to check if the user-agent accepts cookies
		if( @$_REQUEST['option'] == 'com_virtuemart' && empty($_GET['martID']) 
			&& USE_AS_CATALOGUE != '1' && VM_ENABLE_COOKIE_CHECK == '1' && !vmIsAdminMode() ) {
			$this->doCookieCheck();
		}
	}
	/**
	 * Checks if the user-agent accepts cookies
	 * @since VirtueMart 1.0.7
	 * @author soeren
	 */
	function doCookieCheck() {
		global $mm_action_url, $VM_LANG;
		
		$doCheck = vmGet( $_REQUEST, 'vmcchk', 0 );
		$isOK = vmGet( $_SESSION, 'VMCHECK' );
		
		if( $doCheck && $isOK != 'OK' ) {
			$GLOBALS['vmLogger']->info( $VM_LANG->_('VM_SESSION_COOKIES_NOT_ACCEPTED_TIP',false) );
		}
		elseif( empty( $isOK )) {
			$_SESSION['VMCHECK'] = 'OK';
			$query_string = vmGet($_SERVER,'QUERY_STRING');
			if( !empty($query_string) && empty( $_POST )) {
				vmRedirect( $this->url( $mm_action_url . 'index.php?' .$query_string .'&vmcchk=1', true, false ));
			}
		}
	}
		
	/**
	 * Returns the Joomla/Mambo Session ID
	 * @static 
	 */
	function getSessionId() {
		global $mainframe;
		// Joomla >= 1.0.8
		if( is_callable( array( 'mosMainframe', 'sessionCookieName'))) {			
			// Session Cookie `name`
			$sessionCookieName 	= mosMainFrame::sessionCookieName();
			// Get Session Cookie `value`
			$sessionCookie 		= vmGet( $_COOKIE, $sessionCookieName, null );
			// Session ID / `value`
			return mosMainFrame::sessionCookieValue( $sessionCookie );
			
		}
		// Mambo 4.6
		elseif( is_callable( array('mosSession', 'getCurrent' ))) {
			$session =& mosSession::getCurrent();
			return $session->session_id;
		}
		// Mambo <= 4.5.2.3 and Joomla <= 1.0.7
		elseif( !empty( $mainframe->_session->session_id )) {
			// Set the sessioncookie if its missing
			// this is needed for joomla sites only
			return $mainframe->_session->session_id;
		}
		else {
			return session_id();
		}
	}
	/**
	 * This function returns a base64_encoded string:
	 * VMsessionId|JsessionID
	 *
	 */
	function getMartId() {
		global $vmuser, $mosConfig_secret;
		
		// Get the Joomla! / Mambo session ID
		$sessionId = ps_session::getSessionId();
		
		$userNameSeed = '';
		if( $vmuser->id ) {
			$userNameSeed = '|'.md5( $vmuser->username . $vmuser->password . $mosConfig_secret );
			if( is_callable(array('mosMainFrame', 'remCookieName_User'))) {
				if( !empty( $GLOBALS['real_mosConfig_live_site'] ) && empty( $_REQUEST['real_mosConfig_live_site'])) {
					$GLOBALS['mosConfig_live_site'] = $GLOBALS['real_mosConfig_live_site'];
				}
				$userNameSeed .= '|' . vmGet( $_COOKIE, mosMainFrame::remCookieName_User(), '' );
			}
		}
		
		$martID = base64_encode( vmCreateHash($_COOKIE[$this->_session_name] . $sessionId) . $userNameSeed );
		return $martID;
	}
	/**
	 * Saves the session contents to a file (so they the session can be continued later on) and does a redirect
	 *
	 * @param boolean $toSecure Redirect to a https or http domain?
	 */
	function saveSessionAndRedirect( $toSecure = true ) {
		$martID = $this->getMartId();
				
		$sessionFile = IMAGEPATH. md5( $martID ).'.sess';
		$session_contents = session_encode();
		
		if( file_exists( ADMINPATH.'install.copy.php')) {
			require_once( ADMINPATH.'install.copy.php');
		}
		
		file_put_contents( $sessionFile, $session_contents );
		
		$url = $toSecure ? SECUREURL : URL;
		
		// Redirect and send the Cookie Values within the variable martID
		vmRedirect( $this->url( $url . basename($_SERVER['PHP_SELF']).'?'.vmGet($_SERVER,'QUERY_STRING')."&martID=$martID&redirected=1", true, false, true ) );
	}
	/**
	 * It does what the name says. It starts a session again (with a certain ID when a $sid is given)
	 *
	 * @param string $sid
	 */
	function restartSession( $sid = '') {
		
		// Save the session data and close the session
		session_write_close();
		
		// Prepare the new session
		if( $sid != '' ) {
			session_id( $sid );
		}
		session_name( $this->_session_name );
		// Start the new Session.
		session_start();
		
	}
	
	function emptySession() {
		global $mainframe;
		$_SESSION = array();
		$_COOKIE[$this->_session_name] = md5( $this->getSessionId() );
	}
	/**
     * This is a solution for  the Shared SSL problem
     * We have to copy some cookies from the Main Mambo site domain into
     * the shared SSL domain (only when necessary!)
	 *
	 * The function is called on each page load.
	 */
	function prepare_SSL_Session() {
		global $mainframe, $my, $database, $mosConfig_secret, $page, $VM_MODULES_FORCE_HTTPS;
		if( vmIsAdminMode() && vmIsJoomla('1.0')) {
			return;
		}
		$ssl_redirect = vmGet( $_GET, "ssl_redirect", 0 );
		$redirected = vmGet( $_GET, "redirected", 0 );
		$martID = vmGet( $_GET, 'martID', '' );
		$ssl_domain = "";
		
		if (!empty( $VM_MODULES_FORCE_HTTPS )) {
			$pagearr = explode( '.', $page );
			$module = $pagearr[0];
			// When NOT in https mode, but the called page is part of a shop module that is
			// forced to use https, we prepare the redirection to https here
			if( array_search( $module, $VM_MODULES_FORCE_HTTPS ) !== false 
				&& !vmIsHttpsMode()
				&& $this->check_Shared_SSL( $ssl_domain ) 
				) {
					
				$ssl_redirect = 1;
			}
		}
		// Generally redirect to HTTP (from HTTPS) when it is not necessary? (speed up the pageload)
		if( VM_GENERALLY_PREVENT_HTTPS == '1' 
			&& vmIsHttpsMode() && $redirected != 1
			&& $ssl_redirect == 0 && !vmIsAdminMode()
			&& URL != SECUREURL
			&& @$_REQUEST['option']=='com_virtuemart') {
				
			$pagearr = explode( '.', $page );
			$module = $pagearr[0];
			
			// When it is not necessary to stay in https mode, we leave it here
			if( array_search( $module, $VM_MODULES_FORCE_HTTPS ) === false ) {
				if( $this->check_Shared_SSL($ssl_domain)) {
					$this->saveSessionAndRedirect( false );
				}
				$query_string = vmGet($_SERVER,'QUERY_STRING');
				if( !empty($query_string) && empty( $_POST )) {
					vmRedirect( $this->url( URL.basename( $_SERVER['PHP_SELF']).'?'.vmGet($_SERVER,'QUERY_STRING').'&redirected=1', true, false, true ));
				}
			}
		}
		
		/**
        * This is the first part of the Function:
        * We check if the function must be called at all
        * Usually this is only called once: Before we go to the checkout.
        * The variable ssl_redirect=1 is appended to the URL, just for this function knows
        * is must be active! This has nothing to do with SSL / Shared SSL or whatever
        */
		if( $ssl_redirect == 1 ) {
			
			$_SERVER['QUERY_STRING'] = str_replace('&ssl_redirect=1', '', vmGet($_SERVER, 'QUERY_STRING' ) );
			// check_Shared_SSL compares the normal http domain name
			// and the https Domain Name. If both do not match, we move on
			// else we leave this function.
			if( $this->check_Shared_SSL( $ssl_domain ) && !vmIsHttpsMode() && $redirected == 0) {
				
				$this->saveSessionAndRedirect( true );
			}
			// do nothing but redirect
			elseif( !vmIsHttpsMode() && $redirected == 0 ) {
				vmRedirect( $this->url(SECUREURL . basename($_SERVER['PHP_SELF'])."?".vmGet($_SERVER,'QUERY_STRING').'&redirected=1', true, false, true ) );
			}
		}
		/**
        * This is part two of the function
        * If the redirect (see 4/5 lines above) was successful
        * and the Store uses Shared SSL, we have the variable martID
        * So let's copy the Session contents ton the new domain and start the session again
        * othwerwise: do nothing.
        */
		if( !empty( $martID ) ) {
			
			if( $this->check_Shared_SSL( $ssl_domain ) ) {
	
				// We now need to copy the Session Data to the SSL Domain
				if( $martID ) {					
					
					require_once( ADMINPATH.'install.copy.php');
					
					$sessionFile = IMAGEPATH. md5( $martID ).'.sess';
					
					// Read the contents of the session file
					$session_data = file_get_contents( $sessionFile );
					
					// Delete it for security and disk space reasons
					unlink( $sessionFile );
					
					// Read the session data into $_SESSION
					// From now on, we can use all the data in $_SESSION
					session_decode( $session_data );
					
					$check = base64_decode( $martID );
					$checkValArr = explode( "|", $check );
					
					if( defined('_JEXEC') ) {
						//TODO
					}
					elseif( class_exists('mambocore')) {
						//TODO
					}
					elseif( $GLOBALS['_VERSION']->RELEASE == '1.0' && (int)$GLOBALS['_VERSION']->DEV_LEVEL >= 13) {
						if( !empty( $GLOBALS['real_mosConfig_live_site'] ) && empty( $_REQUEST['real_mosConfig_live_site'])) {
							$GLOBALS['mosConfig_live_site'] = $GLOBALS['real_mosConfig_live_site'];
						}
						if( !empty( $checkValArr[2] )) {
							// Joomla! >= 1.0.13 can be cheated to log in a user who has previsously logged in and checked the "Remember me" box
							setcookie( mosmainframe::remCookieName_User(), $checkValArr[2], false, '/' );
							// there's no need to call "$mainframe->login"
						}
					} else {
						// Check if the user was logged in in the http domain
						// and is not yet logged in at the Shared SSL domain
						if( isset( $checkValArr[1] ) && !$my->id ) {
							// user should expect to be logged in,
							// we can use the values from $_SESSION['auth'] now
							$username = $database->getEscaped( trim( $_SESSION['auth']['user_name'] ) );
							if( !empty( $username )) {
								$database->setQuery('SELECT username, password FROM `#__users` WHERE `username` = \''.$username.'\';');
								$database->loadObject( $user );
								if( is_object( $user )) {
									// a last security check using the transmitted md5 hash and the rebuilt hash
									$check = md5( $user->username . $user->password . $mosConfig_secret );
									if( $check === $checkValArr[1] ) {
										// Log the user in with his username
										$mainframe->login( $user->username, $user->password );
									}
								}
								
							}
						}
					}
									
					
					session_write_close();
					
					// Prevent the martID from being displayed in the URL
					if( !empty( $_GET['martID'] )) {
						$query_string = substr_replace( vmGet($_SERVER,'QUERY_STRING'), '', strpos( vmGet($_SERVER,'QUERY_STRING'), '&martID'));
						$url = vmIsHttpsMode() ? SECUREURL : URL;
						vmRedirect( $this->url( $url . "index.php?$query_string&cartReset=N&redirected=1", true, false, true) );
					}
	
				}
	
			}
		}
	}
	/**
	 * This function compares the store URL with the SECUREURL
	 * and returns the result
	 *
	 * @param string $ssl_domain The SSL domain (empty string to be filled here)
	 * @return boolean True when we have to do a SSL redirect (for Shared SSL)
	 */
	function check_Shared_SSL( &$ssl_domain ) {
		
		if( URL == SECUREURL ) {
			$ssl_domain = str_replace("http://", "", URL );
			$ssl_redirect = false;
			return $ssl_redirect;
		}
		
		// Extract the Domain Names without the Protocol
		$domain = str_replace("http://", "", URL );
		$ssl_domain = str_replace("https://", "", SECUREURL );
		// If SSL and normal Domain do not match,
		// we assume that you use Shared SSL
 
		if( $ssl_domain != $domain ) {
			$ssl_redirect = true;
		}
		else {
			$ssl_redirect = false;
		}
 
		return $ssl_redirect;
	}
	/**
	 * Correct the session save path if necessary
	 * or generate an error if the save path can't be corrected
	 *
	 * @return mixed
	 */
	function checkSessionSavePath() {
		global $mosConfig_absolute_path, $VM_LANG, $vmLogger;
		
		if( !@is_writable( session_save_path()) ) {
			// If the session save path is not writable this can have different
			// reasons. One reason is that the open_basedir directive is set, but
			// doesn't include the session_save_path
			$open_basedir = @ini_get('open_basedir'); // Get the list of allowed directories
			if( !empty($open_basedir)) {
				switch( substr( strtoupper( PHP_OS ), 0, 3 ) ) {
					case "WIN":
						$basedirs = explode(';', $open_basedir );
						break;
					case "MAC": // fallthrough
					case "DAR": // Does PHP_OS return 'Macintosh' or 'Darwin' ?
					default: // change nothing
						$basedirs = explode(':', $open_basedir );
						break;
					break;
				}
				$session_save_path_is_allowed_directory = false;
				foreach ( $basedirs as $basedir ) {
					$basedir_strlen = strlen( $basedir );
					// If the session save path is a subdirectory of a directory allowed by open_basedir
					// we need to do further investigation
					if( strtolower( substr( session_save_path(), 0, $basedir_strlen )) == $basedir ) {
						$session_save_path_is_allowed_directory = true;
					}
				}
				if( !$session_save_path_is_allowed_directory) {
					// PHP Sessions can be stored in a session save path which is not
					// allowed through open_basedir!
					return true;
				}
			}
			$try_these_paths = array( 'Cache Path' => $mosConfig_absolute_path. '/cache',
										'Media Directory' => $mosConfig_absolute_path.'/media',
										'Shop Image Directory' => IMAGEPATH );
			foreach( $try_these_paths as $name => $session_save_path ) {
				if( @is_writable( $session_save_path )) {
					$vmLogger->debug( sprintf( $VM_LANG->_('VM_SESSION_SAVEPATH_UNWRITABLE_TMPFIX',false), session_save_path(), $name));
					session_save_path( $session_save_path );
					break;
				}
			}
		}
		// If the path is STILL not writable, generate an error
		if( !@is_writable( session_save_path()) ) {
			$vmLogger->err( $VM_LANG->_('VM_SESSION_SAVEPATH_UNWRITABLE',false) );
		}
	}
	/**
     * Gets the Itemid for the com_virtuemart Component
     * and stores it in a global Variable
     *
     * @return int Itemid
     */
	function getShopItemid() {
 
		if( empty( $_REQUEST['shopItemid'] )) {
			$db = new ps_DB;
			$db->query( "SELECT id FROM #__menu WHERE link='index.php?option=com_virtuemart' AND published=1");
			if( $db->next_record() ) {
				$_REQUEST['shopItemid'] = $db->f("id");
			}
			else {
				if( !empty( $_REQUEST['Itemid'] )) {
					$_REQUEST['shopItemid'] = intval( $_REQUEST['Itemid'] );
				}
				else {
					$_REQUEST['shopItemid'] = 1;
				}
			}
		}
 
		return intval($_REQUEST['shopItemid']);
 
	}
	
	/**
	 * Prints a reformatted URL
	 *
	 * @param string $text
	 */
	function purl($text, $createAbsoluteURI=false, $encodeAmpersands=true, $ignoreSEF=false) {		
		echo $this->url( $text, $createAbsoluteURI, $encodeAmpersands, $ignoreSEF );		
	}
	
	/**
	 * This reformats an URL, appends "option=com_virtuemart" and "Itemid=XX"
	 * where XX is the Id of an entry in the table mos_menu with "link: option=com_virtuemart"
	 * It also calls sefRelToAbs to apply SEF formatting
	 * 
	 * @param string $text THE URL
	 * @param boolean False: Create a URI like /joomla/index.php?....; True: Create a URI like http://www.domain.com/index.php?....
	 * @return string The reformatted URL
	 */
	function url($text, $createAbsoluteURI=false, $encodeAmpersands=true, $ignoreSEF=false ) {
		global $mm_action_url, $page, $mainframe;
		
		if( !defined( '_VM_IS_BACKEND' )) {
			$Itemid = "&Itemid=".$this->getShopItemid();
		}
		else {
			$Itemid = '';
		}
 
		switch ($text) {
			case SECUREURL:
				$text =  SECUREURL.basename( $_SERVER['SCRIPT_NAME'] )."?".$this->component_name.$Itemid;
				break;
			case URL:
				$text =  URL.basename( $_SERVER['SCRIPT_NAME'] )."?".$this->component_name.$Itemid;
				break;
				
			default:
				$limiter = strpos($text, '?');
				if( !stristr( $text, $_SERVER['SCRIPT_NAME']) && $limiter === false ) {
					$text = '?'.$text;
				}
				$appendix = "";
				// now append "&option=com_virtuemart&Itemid=XX"
				if (!strstr($text, "option=")) {
					$appendix .= "&" . $this->component_name;
				}
				$appendix .= $Itemid;
				
				$script = basename( substr( $text, 0, $limiter ));
				if( $script == '' ) {
					$script = basename( $_SERVER['SCRIPT_NAME'] );
				}
				
				if (!defined( '_VM_IS_BACKEND' )) {
					if( $script == 'index3.php') {
						$script = 'index2.php'; // index3.php is not available in the frontend!
					}
	
					$appendix = $script.substr($text, $limiter, strlen($text)).$appendix;
				
					if( class_exists('JRoute') && !$ignoreSEF && $mainframe->getCfg('sef') ) {
						$appendix = JRoute::_( str_replace( $script.'&', $script.'?', $appendix ) );
						
					} 
					else if( function_exists('sefRelToAbs') && !$ignoreSEF && !defined( '_JLEGACY' ) ) {
						$appendix = sefRelToAbs( str_replace( $script.'&', $script.'?', $appendix ) );
					}
					if( $createAbsoluteURI && substr($appendix,0,4)!='http'  && ($ignoreSEF || !$mainframe->getCfg('sef')) ) {
						$appendix = URL . $appendix;
					}
					
					
				}
				elseif( $_SERVER['SERVER_PORT'] == 443 ) {
					//$script = strstr($_SERVER['PHP_SELF'], 'index2.php') ? 'index2.php' : 'index3.php';
					
					$appendix = SECUREURL."administrator/$script".substr($text, $limiter, strlen($text)-1).$appendix;
				}
				else {
					//$script = strstr($_SERVER['PHP_SELF'], 'index2.php') ? 'index2.php' : 'index3.php';
					$appendix = URL."administrator/$script".substr($text, $limiter, strlen($text)-1).$appendix;
				}
				if( vmIsAdminMode() && strstr($text, 'func') !== false ) {
					$appendix .= '&vmtoken='.vmSpoofValue($this->getSessionId());
				}
				if ( stristr($text, SECUREURL)) {
					$appendix = str_replace(URL, SECUREURL, $appendix);
				}
				elseif( stristr($text, URL) && $createAbsoluteURI ) {
					$appendix = str_replace(SECUREURL, URL, $appendix);
				}
	
				$text = $appendix;
	
				break;
		}
		if( $encodeAmpersands ) {
	        $text = vmAmpReplace( $text );
	    }  else {
		$text = str_replace( '&amp;', '&', $text );
	    }
		return $text;
	}
 
	/**
	 * Formerly printed the session id into a hidden field
	 * @deprecated 
	 * @return boolean
	 */
	function hidden_session() {
		return true;
	}
 
	function initRecentProducts() {
		global $recentproducts, $sess;
		// Register the recentproducts
		if (empty($_SESSION['recent'])) {
			$recentproducts = array();
			$recentproducts['idx'] = 0;
			$_SESSION['recent'] = $recentproducts;
			return $recentproducts;
		}
		
		return $_SESSION['recent'];
	}
 
} // end of class session
?>
                                              

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Sorry Bruce:

No effect that I can see.  At present the same results

Is it possible you posted the original script and not your hack?

Nope it's the changed one. Line changes on 511, 514 and 531. Hmm, have you tried upgrading your modules to the latest versions?

Your hack does work. Sorry about my confusion.