Account for some component along the way lower-casing the HTTP header keys. (XFF header issue)

1 files changed, 13 insertions, 8 deletions

diff --git a/OpenSim/Server/Handlers/Hypergrid/HomeAgentHandlers.cs b/OpenSim/Server/Handlers/Hypergrid/HomeAgentHandlers.cs
index 814a8d9..968c1e6 100644
--- a/OpenSim/Server/Handlers/Hypergrid/HomeAgentHandlers.cs
+++ b/OpenSim/Server/Handlers/Hypergrid/HomeAgentHandlers.cs
@@ -215,16 +215,21 @@ namespace OpenSim.Server.Handlers.Hypergrid
 
             // We're behind a proxy
             Hashtable headers = (Hashtable)request["headers"];
-            if (headers.ContainsKey("X-Forwarded-For") && headers["X-Forwarded-For"] != null)
-            {
-                m_log.DebugFormat("[HOME AGENT HANDLER]: XFF is {0}", headers["X-Forwarded-For"]);
+            string xff = "X-Forwarded-For";
+            if (headers.ContainsKey(xff.ToLower()))
+                xff = xff.ToLower();
 
-                IPEndPoint ep = Util.GetClientIPFromXFF((string)headers["X-Forwarded-For"]);
-                if (ep != null)
-                    return ep.Address.ToString();
+            if (!headers.ContainsKey(xff) || headers[xff] == null)
+            {
+                m_log.WarnFormat("[AGENT HANDLER]: No XFF header");
+                return Util.GetCallerIP(request);
             }
-            else
-                m_log.WarnFormat("[HOME AGENT HANDLER]: No XFF header");
+
+            m_log.DebugFormat("[AGENT HANDLER]: XFF is {0}", headers[xff]);
+
+            IPEndPoint ep = Util.GetClientIPFromXFF((string)headers[xff]);
+            if (ep != null)
+                return ep.Address.ToString();
 
             // Oops
             return Util.GetCallerIP(request);