Parameters must be passed along to configs servlet. Connection URLs need not contain authentication parameters, as they will already have been passed to the configs servlet. Forward parameters along to login servlet if available.

guacamole/src/main/webapp/scripts/connections.js

@@ -5,11 +5,15 @@ function Config(protocol, id) {
     this.id = id;
 }
 
-function getConfigList() {
+function getConfigList(parameters) {
+
+    // Construct request URL
+    var configs_url = "configs";
+    if (parameters) configs_url += "?" + parameters;
 
     // Get config list
     var xhr = new XMLHttpRequest();
-    xhr.open("GET", "configs", false);
+    xhr.open("GET", configs_url, false);
     xhr.send(null);
 
     // If fail, throw error