Added XFF header processing. Untested, for lack of proxy.

OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs

@@ -28,6 +28,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Collections.Specialized;
 using System.IO;
 using System.Net;
 using System.Net.Sockets;
@@ -737,6 +738,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                     if (methodWasFound)
                     {
                         xmlRprcRequest.Params.Add(request.Url); // Param[2]
+                        xmlRprcRequest.Params.Add(request.Headers.Get("X-Forwarded-For")); // Param[3]
 
                         try
                         {

OpenSim/Framework/Util.cs

@@ -1495,5 +1495,33 @@ namespace OpenSim.Framework
             }
         }
 
+        /// <summary>
+        /// Gets the client IP address
+        /// </summary>
+        /// <param name="xff"></param>
+        /// <returns></returns>
+        public static IPEndPoint GetClientIPFromXFF(string xff)
+        {
+            if (xff == string.Empty)
+                return null;
+
+            string[] parts = xff.Split(new char[] { ',' });
+            if (parts.Length > 0)
+            {
+                try
+                {
+                    return new IPEndPoint(IPAddress.Parse(parts[0]), 0);
+                }
+                catch (Exception e)
+                {
+                    m_log.WarnFormat("[UTIL]: Exception parsing XFF header {0}: {1}", xff, e.Message);
+                }
+            }
+
+            return null;
+        }
+
+
+
     }
 }