Force login for clients if required

include/class.config.php

@@ -519,6 +519,10 @@ class OsticketConfig extends Config {
         return $this->get('pw_reset_window') * 60;
     }
 
+    function isClientLoginRequired() {
+        return $this->get('clients_only');
+    }
+
     function isCaptchaEnabled() {
         return (extension_loaded('gd') && function_exists('gd_info') && $this->get('enable_captcha'));
     }

open.php

@@ -76,6 +76,8 @@ if($ticket
                     array_fill(0, 3, 'XXXXXX'),
                     $page->getBody()
                     )));
+} elseif ($cfg->isClientLoginRequired() && !$thisclient) {
+    require(CLIENTINC_DIR.'login.inc.php');
 } else {
     require(CLIENTINC_DIR.'open.inc.php');
 }