2 files changed, 302 insertions, 2 deletions

diff --git a/OpenSim/Client/Linden/LLProxyLoginModule.cs b/OpenSim/Client/Linden/LLProxyLoginModule.cs
new file mode 100644
index 0000000..67d5f4c
--- /dev/null
+++ b/OpenSim/Client/Linden/LLProxyLoginModule.cs
@@ -0,0 +1,300 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text;
+using Nwc.XmlRpc;
+using System.Net;
+using System.Net.Sockets;
+using System.Reflection;
+using System.Security.Authentication;
+using log4net;
+using Nini.Config;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Communications;
+using OpenSim.Framework.Servers;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+
+namespace OpenSim.Client.Linden
+{
+    /// <summary>
+    /// Handles login user (expect user) and logoff user messages from the remote LL login server
+    /// </summary>
+    public class LLProxyLoginModule : IRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        protected bool RegionLoginsEnabled
+        {
+            get
+            {
+                if (m_firstScene != null)
+                {
+                    return m_firstScene.CommsManager.GridService.RegionLoginsEnabled;
+                }
+                else
+                {
+                    return false;
+                }
+            }
+        }
+
+        protected List<Scene> m_scenes = new List<Scene>();
+        protected Scene m_firstScene;
+
+        protected bool m_enabled = false; // Module is only enabled if running in grid mode
+
+        #region IRegionModule Members
+
+        public void Initialise(Scene scene, IConfigSource source)
+        {
+            if (m_firstScene == null)
+            {
+                m_firstScene = scene;
+
+                IConfig startupConfig = source.Configs["Startup"];
+                if (startupConfig != null)
+                {
+                    m_enabled = startupConfig.GetBoolean("gridmode", false);
+                }
+
+                if (m_enabled)
+                {
+                    AddHttpHandlers();
+                }
+            }
+
+            if (m_enabled)
+            {
+                AddScene(scene);
+            }
+        }
+
+        public void PostInitialise()
+        {
+
+        }
+
+        public void Close()
+        {
+
+        }
+
+        public string Name
+        {
+            get { return "LLProxyLoginModule"; }
+        }
+
+        public bool IsSharedModule
+        {
+            get { return true; }
+        }
+
+        #endregion
+
+        /// <summary>
+        /// Adds "expect_user" and "logoff_user" xmlrpc method handlers
+        /// </summary>
+        protected void AddHttpHandlers()
+        {
+            //we will add our handlers to the first scene we received, as all scenes share a http server. But will this ever change?
+            m_firstScene.CommsManager.HttpServer.AddXmlRPCHandler("expect_user", ExpectUser);
+            m_firstScene.CommsManager.HttpServer.AddXmlRPCHandler("logoff_user", LogOffUser);
+        }
+
+        protected void AddScene(Scene scene)
+        {
+            lock (m_scenes)
+            {
+                if (!m_scenes.Contains(scene))
+                {
+                    m_scenes.Add(scene);
+                }
+            }
+        }
+        /// <summary>
+        /// Received from the user server when a user starts logging in.  This call allows
+        /// the region to prepare for direct communication from the client.  Sends back an empty
+        /// xmlrpc response on completion.
+        /// </summary>
+        /// <param name="request"></param>
+        /// <returns></returns>
+        public XmlRpcResponse ExpectUser(XmlRpcRequest request)
+        {
+            Hashtable requestData = (Hashtable)request.Params[0];
+            AgentCircuitData agentData = new AgentCircuitData();
+            agentData.SessionID = new UUID((string)requestData["session_id"]);
+            agentData.SecureSessionID = new UUID((string)requestData["secure_session_id"]);
+            agentData.firstname = (string)requestData["firstname"];
+            agentData.lastname = (string)requestData["lastname"];
+            agentData.AgentID = new UUID((string)requestData["agent_id"]);
+            agentData.circuitcode = Convert.ToUInt32(requestData["circuit_code"]);
+            agentData.CapsPath = (string)requestData["caps_path"];
+            ulong regionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
+
+            // Appearance
+            if (requestData["appearance"] != null)
+                agentData.Appearance = new AvatarAppearance((Hashtable)requestData["appearance"]);
+
+            m_log.DebugFormat(
+                "[CLIENT]: Told by user service to prepare for a connection from {0} {1} {2}, circuit {3}",
+                agentData.firstname, agentData.lastname, agentData.AgentID, agentData.circuitcode);
+
+            if (requestData.ContainsKey("child_agent") && requestData["child_agent"].Equals("1"))
+            {
+                //m_log.Debug("[CLIENT]: Child agent detected");
+                agentData.child = true;
+            }
+            else
+            {
+                //m_log.Debug("[CLIENT]: Main agent detected");
+                agentData.startpos =
+                    new Vector3((float)Convert.ToDecimal((string)requestData["startpos_x"]),
+                                  (float)Convert.ToDecimal((string)requestData["startpos_y"]),
+                                  (float)Convert.ToDecimal((string)requestData["startpos_z"]));
+                agentData.child = false;
+            }
+
+            XmlRpcResponse resp = new XmlRpcResponse();
+
+            if (!RegionLoginsEnabled)
+            {
+                m_log.InfoFormat(
+                    "[CLIENT]: Denying access for user {0} {1} because region login is currently disabled",
+                    agentData.firstname, agentData.lastname);
+
+                Hashtable respdata = new Hashtable();
+                respdata["success"] = "FALSE";
+                respdata["reason"] = "region login currently disabled";
+                resp.Value = respdata;
+            }
+            else
+            {
+                bool success = false;
+                string denyMess = "";
+        
+                Scene scene;
+                if (TryGetRegion(regionHandle, out scene))
+                {
+                    if (scene.RegionInfo.EstateSettings.IsBanned(agentData.AgentID))
+                    {
+                        denyMess = "User is banned from this region";
+                        m_log.InfoFormat(
+               "[CLIENT]: Denying access for user {0} {1} because user is banned",
+               agentData.firstname, agentData.lastname);
+                    }
+                    else
+                    {
+                        if (scene.NewUserConnection(agentData))
+                        {
+                            success = true;
+                        }
+                        else
+                        {
+                            denyMess = "Login refused by region";
+                            m_log.InfoFormat(
+                   "[CLIENT]: Denying access for user {0} {1} because user connection was refused by the region",
+                   agentData.firstname, agentData.lastname);
+                        }
+                    }
+                    
+                }
+                else
+                {
+                    denyMess = "Region not found";
+                }
+
+                if (success)
+                {
+                    Hashtable respdata = new Hashtable();
+                    respdata["success"] = "TRUE";
+                    resp.Value = respdata;
+                }
+                else
+                {
+                    Hashtable respdata = new Hashtable();
+                    respdata["success"] = "FALSE";
+                    respdata["reason"] = denyMess;
+                    resp.Value = respdata;
+                }
+            }
+
+            return resp;
+        }
+
+        // Grid Request Processing
+        /// <summary>
+        /// Ooops, our Agent must be dead if we're getting this request!
+        /// </summary>
+        /// <param name="request"></param>
+        /// <returns></returns>
+        public XmlRpcResponse LogOffUser(XmlRpcRequest request)
+        {
+            m_log.Debug("[CONNECTION DEBUGGING]: LogOff User Called");
+
+            Hashtable requestData = (Hashtable)request.Params[0];
+            string message = (string)requestData["message"];
+            UUID agentID = UUID.Zero;
+            UUID RegionSecret = UUID.Zero;
+            UUID.TryParse((string)requestData["agent_id"], out agentID);
+            UUID.TryParse((string)requestData["region_secret"], out RegionSecret);
+
+            ulong regionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
+
+            Scene scene;
+            if (TryGetRegion(regionHandle, out scene))
+            {
+                scene.HandleLogOffUserFromGrid(agentID, RegionSecret, message);
+            }
+
+            return new XmlRpcResponse();
+        }
+
+        protected bool TryGetRegion(ulong regionHandle, out Scene scene)
+        {
+            lock (m_scenes)
+            {
+                foreach (Scene nextScene in m_scenes)
+                {
+                    if (nextScene.RegionInfo.RegionHandle == regionHandle)
+                    {
+                        scene = nextScene;
+                        return true;
+                    }
+                }
+            }
+
+            scene = null;
+            return false;
+        }
+
+    }
+}
diff --git a/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs b/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
index 66da986..5f00f15 100644
--- a/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
+++ b/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
@@ -91,8 +91,8 @@ namespace OpenSim.Region.Communications.OGS1
             httpServer = httpServe;
 
             //Respond to Grid Services requests
-            httpServer.AddXmlRPCHandler("expect_user", ExpectUser);
-            httpServer.AddXmlRPCHandler("logoff_user", LogOffUser);
+          //  httpServer.AddXmlRPCHandler("expect_user", ExpectUser);
+          //  httpServer.AddXmlRPCHandler("logoff_user", LogOffUser);
             httpServer.AddXmlRPCHandler("check", PingCheckReply);
             httpServer.AddXmlRPCHandler("land_data", LandData);