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