From c1739290022a4dbc369e067c1ea5a2c41df82f9e Mon Sep 17 00:00:00 2001
From: Michael Jumper <mike.jumper@guac-dev.org>
Date: Fri, 23 Oct 2015 16:09:54 -0700
Subject: [PATCH] GUAC-1115: Log failures to bind with search DN.

---
 .../guacamole/auth/ldap/AuthenticationProviderService.java  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/extensions/guacamole-auth-ldap/src/main/java/org/glyptodon/guacamole/auth/ldap/AuthenticationProviderService.java b/extensions/guacamole-auth-ldap/src/main/java/org/glyptodon/guacamole/auth/ldap/AuthenticationProviderService.java
index d10095bd2..24dd17f13 100644
--- a/extensions/guacamole-auth-ldap/src/main/java/org/glyptodon/guacamole/auth/ldap/AuthenticationProviderService.java
+++ b/extensions/guacamole-auth-ldap/src/main/java/org/glyptodon/guacamole/auth/ldap/AuthenticationProviderService.java
@@ -109,6 +109,12 @@ public class AuthenticationProviderService {
                 confService.getSearchBindPassword()
             );
 
+            // Warn of failure to find
+            if (searchConnection == null) {
+                logger.error("Unable to bind using search DN \"{}\"", searchBindDN);
+                return null;
+            }
+
             try {
 
                 // Retrieve all DNs associated with the given username