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-rw-r--r--OpenSim/Client/Linden/LLProxyLoginModule.cs335
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diff --git a/OpenSim/Client/Linden/LLProxyLoginModule.cs b/OpenSim/Client/Linden/LLProxyLoginModule.cs
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.Collections;
30using System.Collections.Generic;
31using System.Text;
32using Nwc.XmlRpc;
33using System.Net;
34using System.Net.Sockets;
35using System.Reflection;
36using System.Security.Authentication;
37using log4net;
38using Nini.Config;
39using OpenMetaverse;
40using OpenSim.Framework;
41using OpenSim.Framework.Communications;
42using OpenSim.Framework.Servers;
43using OpenSim.Region.Framework.Interfaces;
44using OpenSim.Region.Framework.Scenes;
45
46namespace OpenSim.Client.Linden
47{
48 /// <summary>
49 /// Handles login user (expect user) and logoff user messages from the remote LL login server
50 /// </summary>
51 public class LLProxyLoginModule : ISharedRegionModule
52 {
53 private uint m_port = 0;
54
55 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
56
57 public LLProxyLoginModule(uint port)
58 {
59 m_log.DebugFormat("[CLIENT]: LLProxyLoginModule port {0}", port);
60 m_port = port;
61 }
62
63 protected List<Scene> m_scenes = new List<Scene>();
64 protected Scene m_firstScene;
65
66 protected bool m_enabled = false; // Module is only enabled if running in grid mode
67
68 #region IRegionModule Members
69
70 public void Initialise(IConfigSource source)
71 {
72 IConfig startupConfig = source.Configs["Modules"];
73 if (startupConfig != null)
74 {
75 m_enabled = startupConfig.GetBoolean("LLProxyLoginModule", false);
76 }
77 }
78
79 public void AddRegion(Scene scene)
80 {
81 if (m_firstScene == null)
82 {
83 m_firstScene = scene;
84
85 if (m_enabled)
86 {
87 AddHttpHandlers();
88 }
89 }
90
91 if (m_enabled)
92 {
93 AddScene(scene);
94 }
95
96 }
97
98 public void RemoveRegion(Scene scene)
99 {
100 if (m_enabled)
101 {
102 RemoveScene(scene);
103 }
104 }
105
106 public void PostInitialise()
107 {
108
109 }
110
111 public void Close()
112 {
113
114 }
115
116 public void RegionLoaded(Scene scene)
117 {
118
119 }
120
121 public Type ReplaceableInterface
122 {
123 get { return null; }
124 }
125
126 public string Name
127 {
128 get { return "LLProxyLoginModule"; }
129 }
130
131 public bool IsSharedModule
132 {
133 get { return true; }
134 }
135
136 #endregion
137
138 /// <summary>
139 /// Adds "expect_user" and "logoff_user" xmlrpc method handlers
140 /// </summary>
141 protected void AddHttpHandlers()
142 {
143 //we will add our handlers to the first scene we received, as all scenes share a http server. But will this ever change?
144 MainServer.GetHttpServer(m_port).AddXmlRPCHandler("expect_user", ExpectUser, false);
145 MainServer.GetHttpServer(m_port).AddXmlRPCHandler("logoff_user", LogOffUser, false);
146 }
147
148 protected void AddScene(Scene scene)
149 {
150 lock (m_scenes)
151 {
152 if (!m_scenes.Contains(scene))
153 {
154 m_scenes.Add(scene);
155 }
156 }
157 }
158
159 protected void RemoveScene(Scene scene)
160 {
161 lock (m_scenes)
162 {
163 if (m_scenes.Contains(scene))
164 {
165 m_scenes.Remove(scene);
166 }
167 }
168 }
169 /// <summary>
170 /// Received from the user server when a user starts logging in. This call allows
171 /// the region to prepare for direct communication from the client. Sends back an empty
172 /// xmlrpc response on completion.
173 /// </summary>
174 /// <param name="request"></param>
175 /// <returns></returns>
176 public XmlRpcResponse ExpectUser(XmlRpcRequest request, IPEndPoint remoteClient)
177 {
178 XmlRpcResponse resp = new XmlRpcResponse();
179
180 try
181 {
182 ulong regionHandle = 0;
183 Hashtable requestData = (Hashtable)request.Params[0];
184 AgentCircuitData agentData = new AgentCircuitData();
185 if (requestData.ContainsKey("session_id"))
186 agentData.SessionID = new UUID((string)requestData["session_id"]);
187 if (requestData.ContainsKey("secure_session_id"))
188 agentData.SecureSessionID = new UUID((string)requestData["secure_session_id"]);
189 if (requestData.ContainsKey("firstname"))
190 agentData.firstname = (string)requestData["firstname"];
191 if (requestData.ContainsKey("lastname"))
192 agentData.lastname = (string)requestData["lastname"];
193 if (requestData.ContainsKey("agent_id"))
194 agentData.AgentID = new UUID((string)requestData["agent_id"]);
195 if (requestData.ContainsKey("circuit_code"))
196 agentData.circuitcode = Convert.ToUInt32(requestData["circuit_code"]);
197 if (requestData.ContainsKey("caps_path"))
198 agentData.CapsPath = (string)requestData["caps_path"];
199 if (requestData.ContainsKey("regionhandle"))
200 regionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
201 else
202 m_log.Warn("[CLIENT]: request from login server did not contain regionhandle");
203
204 // Appearance
205 if (requestData.ContainsKey("appearance"))
206 agentData.Appearance = new AvatarAppearance((Hashtable)requestData["appearance"]);
207
208 m_log.DebugFormat(
209 "[CLIENT]: Told by user service to prepare for a connection from {0} {1} {2}, circuit {3}",
210 agentData.firstname, agentData.lastname, agentData.AgentID, agentData.circuitcode);
211
212 if (requestData.ContainsKey("child_agent") && requestData["child_agent"].Equals("1"))
213 {
214 //m_log.Debug("[CLIENT]: Child agent detected");
215 agentData.child = true;
216 }
217 else
218 {
219 //m_log.Debug("[CLIENT]: Main agent detected");
220 agentData.startpos =
221 new Vector3((float)Convert.ToDecimal((string)requestData["startpos_x"], Culture.NumberFormatInfo),
222 (float)Convert.ToDecimal((string)requestData["startpos_y"], Culture.NumberFormatInfo),
223 (float)Convert.ToDecimal((string)requestData["startpos_z"], Culture.NumberFormatInfo));
224 agentData.child = false;
225 }
226
227 bool success = false;
228 string denyMess = "";
229
230 Scene scene;
231 if (TryGetRegion(regionHandle, out scene))
232 {
233 if (scene.RegionInfo.EstateSettings.IsBanned(agentData.AgentID))
234 {
235 denyMess = "User is banned from this region";
236 m_log.InfoFormat(
237 "[CLIENT]: Denying access for user {0} {1} because user is banned",
238 agentData.firstname, agentData.lastname);
239 }
240 else
241 {
242 string reason;
243 if (scene.NewUserConnection(agentData, (uint)TeleportFlags.ViaLogin, out reason))
244 {
245 success = true;
246 }
247 else
248 {
249 denyMess = String.Format("Login refused by region: {0}", reason);
250 m_log.InfoFormat(
251 "[CLIENT]: Denying access for user {0} {1} because user connection was refused by the region",
252 agentData.firstname, agentData.lastname);
253 }
254 }
255
256 }
257 else
258 {
259 denyMess = "Region not found";
260 }
261
262 if (success)
263 {
264 Hashtable respdata = new Hashtable();
265 respdata["success"] = "TRUE";
266 resp.Value = respdata;
267 }
268 else
269 {
270 Hashtable respdata = new Hashtable();
271 respdata["success"] = "FALSE";
272 respdata["reason"] = denyMess;
273 resp.Value = respdata;
274 }
275 }
276 catch (Exception e)
277 {
278 m_log.WarnFormat("[CLIENT]: Unable to receive user. Reason: {0} ({1})", e, e.StackTrace);
279 Hashtable respdata = new Hashtable();
280 respdata["success"] = "FALSE";
281 respdata["reason"] = "Exception occurred";
282 resp.Value = respdata;
283 }
284
285 return resp;
286 }
287
288 // Grid Request Processing
289 /// <summary>
290 /// Ooops, our Agent must be dead if we're getting this request!
291 /// </summary>
292 /// <param name="request"></param>
293 /// <returns></returns>
294 public XmlRpcResponse LogOffUser(XmlRpcRequest request, IPEndPoint remoteClient)
295 {
296 m_log.Debug("[CONNECTION DEBUGGING]: LogOff User Called");
297
298 Hashtable requestData = (Hashtable)request.Params[0];
299 string message = (string)requestData["message"];
300 UUID agentID = UUID.Zero;
301 UUID RegionSecret = UUID.Zero;
302 UUID.TryParse((string)requestData["agent_id"], out agentID);
303 UUID.TryParse((string)requestData["region_secret"], out RegionSecret);
304
305 ulong regionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
306
307 Scene scene;
308 if (TryGetRegion(regionHandle, out scene))
309 {
310 scene.HandleLogOffUserFromGrid(agentID, RegionSecret, message);
311 }
312
313 return new XmlRpcResponse();
314 }
315
316 protected bool TryGetRegion(ulong regionHandle, out Scene scene)
317 {
318 lock (m_scenes)
319 {
320 foreach (Scene nextScene in m_scenes)
321 {
322 if (nextScene.RegionInfo.RegionHandle == regionHandle)
323 {
324 scene = nextScene;
325 return true;
326 }
327 }
328 }
329
330 scene = null;
331 return false;
332 }
333
334 }
335}
generated by cgit v1.1 at 2024-07-18 06:41:05 +0000