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;
+        }
+
+
+
     }
 }

OpenSim/Server/Handlers/Login/LLLoginHandlers.cs

@@ -52,15 +52,24 @@ namespace OpenSim.Server.Handlers.Login
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private ILoginService m_LocalService;
+        private bool m_Proxy;
 
-        public LLLoginHandlers(ILoginService service)
+        public LLLoginHandlers(ILoginService service, bool hasProxy)
         {
             m_LocalService = service;
+            m_Proxy = hasProxy;
         }
 
         public XmlRpcResponse HandleXMLRPCLogin(XmlRpcRequest request, IPEndPoint remoteClient)
         {
             Hashtable requestData = (Hashtable)request.Params[0];
+            if (m_Proxy && request.Params[3] != null)
+            {
+                IPEndPoint ep = Util.GetClientIPFromXFF((string)request.Params[3]);
+                if (ep != null)
+                    // Bang!
+                    remoteClient = ep;
+            }
 
             if (requestData != null)
             {
@@ -189,6 +198,7 @@ namespace OpenSim.Server.Handlers.Login
 
             return map;
         }
+
     }
 
 }

OpenSim/Server/Handlers/Login/LLLoginServiceInConnector.cs

@@ -43,6 +43,7 @@ namespace OpenSim.Server.Handlers.Login
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private ILoginService m_LoginService;
+        private bool m_Proxy;
 
         public LLLoginServiceInConnector(IConfigSource config, IHttpServer server, IScene scene) :
                 base(config, server, String.Empty)
@@ -81,12 +82,14 @@ namespace OpenSim.Server.Handlers.Login
             if (loginService == string.Empty)
                 throw new Exception(String.Format("No LocalServiceModule for LoginService in config file"));
 
+            m_Proxy = serverConfig.GetBoolean("HasProxy", false);
+
             return loginService;
         }
 
         private void InitializeHandlers(IHttpServer server)
         {
-            LLLoginHandlers loginHandlers = new LLLoginHandlers(m_LoginService);
+            LLLoginHandlers loginHandlers = new LLLoginHandlers(m_LoginService, m_Proxy);
             server.AddXmlRPCHandler("login_to_simulator", loginHandlers.HandleXMLRPCLogin, false);
             server.AddXmlRPCHandler("set_login_level", loginHandlers.HandleXMLRPCSetLoginLevel, false);
             server.SetDefaultLLSDHandler(loginHandlers.HandleLLSDLogin);

OpenSim/Services/LLLoginService/LLLoginService.cs

@@ -104,7 +104,7 @@ namespace OpenSim.Services.LLLoginService
             m_GatekeeperURL = m_LoginServerConfig.GetString("GatekeeperURI", string.Empty);
             m_MapTileURL = m_LoginServerConfig.GetString("MapTileURL", string.Empty);
             m_SearchURL = m_LoginServerConfig.GetString("SearchURL", string.Empty);
-
+            
             // These are required; the others aren't
             if (accountService == string.Empty || authService == string.Empty)
                 throw new Exception("LoginService is missing service specifications");

bin/Robust.HG.ini.example

@@ -147,6 +147,9 @@ ServiceConnectors = "8003/OpenSim.Server.Handlers.dll:AssetServiceConnector,8003
     WelcomeMessage = "Welcome, Avatar!"
     AllowRemoteSetLoginLevel = "false"
     
+    ; If you run this login server behind a proxy, set this to true
+    ; HasProxy = true
+    
     ; Defaults for the users, if none is specified in the useraccounts table entry (ServiceURLs)
     ; CHANGE THIS
     HomeURI = "http://127.0.0.1:8002"