function dbCheckSession(&$session)
{
    $rc = null;
    $session->trace(TC_Db1, 'dbCheckSession');
    if ($session->fSessionUser != null) {
        $fields = dbSingleRecord($session, 'select name,locked,theme,width,height,maxhits,postingsperpage,' . 'threadsperpage,startpage from ' . dbTable($session, T_User) . ' where id=' . $session->fSessionUser);
        if ($fields == null) {
            $rc = 'Unbekannter Benutzer' . ($session->fSessionUser == null ? '!' : ':' . $session->fSessionUser);
        } else {
            if (false && dbStringToBool($session, $fields[1])) {
                $rc = 'Benutzer ' . $session->fSessionUser . ' ist gesperrt';
            } else {
                # function setUserData ($id, $name, $theme, $width, $height,
                #	$maxhits, $postingsperpage, $threadsperpage, $startpage) {
                $session->setUserData($session->fSessionUser, $fields[0], $fields[2], $fields[3], $fields[4], $fields[5], $fields[6], $fields[7], $fields[8]);
                if (!empty($_SERVER['PATH_INFO'])) {
                    $session->setPageName(substr($_SERVER['PATH_INFO'], 1));
                }
                $rc = null;
            }
        }
    }
    $session->trace(TC_Db1, 'dbCheckSession: rc=' . ($rc == null ? 'null' : $rc));
    return $rc;
}
function dbCheckSession(&$session)
{
    global $session_id, $session_user;
    global $REQUEST_URI, $SCRIPT_NAME, $SCRIPT_FILENAME, $PATH_INFO;
    $session->trace(TC_Db1, 'dbCheckSession: ' . "REQEST_URI: {$REQUEST_URI} SCRIPT_NAME: {$SCRIPT_NAME}");
    if (empty($session_user)) {
        $fields = null;
    } else {
        $fields = dbSingleRecord($session, 'select name,rights,locked,theme,width,height,maxhits,postingsperpage,' . 'threadsperpage,startpage from ' . dbTable($session, "user") . " where id={$session_user};");
    }
    if ($fields == null) {
        $rc = 'Unbekannter Benutzer: ' . $session_user;
    } else {
        if (false && dbStringToBool($session, $fields[2])) {
            $rc = "Benutzer {$session_user} ist gesperrt";
        } else {
            $session->setUserData($session_user, $fields[0], $fields[1], $fields[3], $fields[4], $fields[5], $fields[6], $fields[7], $fields[8], $fields[9]);
            $uri = substr($REQUEST_URI, strlen($SCRIPT_NAME) + 1);
            while (strpos($uri, "index") == 0 && strpos($uri, '/') > 0) {
                $uri = substr($uri, strpos($uri, "/") + 1);
            }
            $session->setScriptBase($REQUEST_URI, $SCRIPT_NAME, $SCRIPT_FILENAME);
            $session->setPageName(substr($PATH_INFO, 1));
            $session->setMacros();
            $rc = false;
        }
    }
    return $rc;
}