3 files changed, 295 insertions, 2 deletions

diff --git a/OpenSim/Server/Handlers/Map/MapGetServerConnector.cs b/OpenSim/Server/Handlers/Map/MapGetServerConnector.cs
index fb85d1c..4502b7d 100644
--- a/OpenSim/Server/Handlers/Map/MapGetServerConnector.cs
+++ b/OpenSim/Server/Handlers/Map/MapGetServerConnector.cs
@@ -29,6 +29,7 @@ using System;
 using System.IO;
 using System.Net;
 using System.Reflection;
+using System.Threading;
 
 using Nini.Config;
 using log4net;
@@ -70,6 +71,8 @@ namespace OpenSim.Server.Handlers.MapImage
 
     class MapServerGetHandler : BaseStreamHandler
     {
+        public static ManualResetEvent ev = new ManualResetEvent(true);
+
 //        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private IMapImageService m_MapService;
@@ -82,8 +85,13 @@ namespace OpenSim.Server.Handlers.MapImage
 
         public override byte[] Handle(string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
         {
-            byte[] result = new byte[0];
+            ev.WaitOne();
+            lock (ev)
+            {
+                ev.Reset();
+            }
 
+            byte[] result = new byte[0];
             string format = string.Empty;
             result = m_MapService.GetMapTile(path.Trim('/'), out format);
             if (result.Length > 0)
@@ -100,6 +108,11 @@ namespace OpenSim.Server.Handlers.MapImage
                 httpResponse.ContentType = "text/plain";
             }
 
+            lock (ev)
+            {
+                ev.Set();
+            }
+
             return result;
         }
 
diff --git a/OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs b/OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs
new file mode 100644
index 0000000..80e3535
--- /dev/null
+++ b/OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs
@@ -0,0 +1,249 @@
+/*
+ * 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.Generic;
+using System.IO;
+using System.Reflection;
+using System.Xml;
+
+using Nini.Config;
+using log4net;
+using OpenMetaverse;
+
+using OpenSim.Framework;
+using OpenSim.Server.Base;
+using OpenSim.Services.Interfaces;
+using OpenSim.Framework.Servers.HttpServer;
+using OpenSim.Server.Handlers.Base;
+
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+
+namespace OpenSim.Server.Handlers.MapImage
+{
+    public class MapRemoveServiceConnector : ServiceConnector
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private IMapImageService m_MapService;
+        private IGridService m_GridService;
+        private string m_ConfigName = "MapImageService";
+
+        public MapRemoveServiceConnector(IConfigSource config, IHttpServer server, string configName) :
+                base(config, server, configName)
+        {
+            IConfig serverConfig = config.Configs[m_ConfigName];
+            if (serverConfig == null)
+                throw new Exception(String.Format("No section {0} in config file", m_ConfigName));
+
+            string mapService = serverConfig.GetString("LocalServiceModule",
+                    String.Empty);
+
+            if (mapService == String.Empty)
+                throw new Exception("No LocalServiceModule in config file");
+
+            Object[] args = new Object[] { config };
+            m_MapService = ServerUtils.LoadPlugin<IMapImageService>(mapService, args);
+
+            string gridService = serverConfig.GetString("GridService", String.Empty);
+            if (gridService != string.Empty)
+                m_GridService = ServerUtils.LoadPlugin<IGridService>(gridService, args);
+
+            if (m_GridService != null)
+                m_log.InfoFormat("[MAP IMAGE HANDLER]: GridService check is ON");
+            else
+                m_log.InfoFormat("[MAP IMAGE HANDLER]: GridService check is OFF");
+
+            bool proxy = serverConfig.GetBoolean("HasProxy", false);
+            server.AddStreamHandler(new MapServerRemoveHandler(m_MapService, m_GridService, proxy));
+
+        }
+    }
+
+    class MapServerRemoveHandler : BaseStreamHandler
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private IMapImageService m_MapService;
+        private IGridService m_GridService;
+        bool m_Proxy;
+
+        public MapServerRemoveHandler(IMapImageService service, IGridService grid, bool proxy) :
+            base("POST", "/removemap")
+        {
+            m_MapService = service;
+            m_GridService = grid;
+            m_Proxy = proxy;
+        }
+
+        public override byte[] Handle(string path, Stream requestData, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
+        {
+//            m_log.DebugFormat("[MAP SERVICE IMAGE HANDLER]: Received {0}", path);
+            StreamReader sr = new StreamReader(requestData);
+            string body = sr.ReadToEnd();
+            sr.Close();
+            body = body.Trim();
+
+            try
+            {
+                Dictionary<string, object> request = ServerUtils.ParseQueryString(body);
+
+                if (!request.ContainsKey("X") || !request.ContainsKey("Y"))
+                {
+                    httpResponse.StatusCode = (int)OSHttpStatusCode.ClientErrorBadRequest;
+                    return FailureResult("Bad request.");
+                }
+                int x = 0, y = 0;
+                Int32.TryParse(request["X"].ToString(), out x);
+                Int32.TryParse(request["Y"].ToString(), out y);
+
+                m_log.DebugFormat("[MAP REMOVE SERVER CONNECTOR]: Received position data for region at {0}-{1}", x, y);
+
+                if (m_GridService != null)
+                {
+                    System.Net.IPAddress ipAddr = GetCallerIP(httpRequest);
+                    GridRegion r = m_GridService.GetRegionByPosition(UUID.Zero, x * (int)Constants.RegionSize, y * (int)Constants.RegionSize);
+                    if (r != null)
+                    {
+                        if (r.ExternalEndPoint.Address.ToString() != ipAddr.ToString())
+                        {
+                            m_log.WarnFormat("[MAP IMAGE HANDLER]: IP address {0} may be trying to impersonate region in IP {1}", ipAddr, r.ExternalEndPoint.Address);
+                            return FailureResult("IP address of caller does not match IP address of registered region");
+                        }
+
+                    }
+                    else
+                    {
+                        m_log.WarnFormat("[MAP IMAGE HANDLER]: IP address {0} may be rogue. Region not found at coordinates {1}-{2}", 
+                            ipAddr, x, y);
+                        return FailureResult("Region not found at given coordinates");
+                    }
+                }
+
+                string reason = string.Empty;
+                bool result = m_MapService.RemoveMapTile(x, y, out reason);
+
+                if (result)
+                    return SuccessResult();
+                else
+                    return FailureResult(reason);
+
+            }
+            catch (Exception e)
+            {
+                m_log.ErrorFormat("[MAP SERVICE IMAGE HANDLER]: Exception {0} {1}", e.Message, e.StackTrace);
+            }
+
+            return FailureResult("Unexpected server error");
+        }
+
+        private byte[] SuccessResult()
+        {
+            XmlDocument doc = new XmlDocument();
+
+            XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
+                    "", "");
+
+            doc.AppendChild(xmlnode);
+
+            XmlElement rootElement = doc.CreateElement("", "ServerResponse",
+                    "");
+
+            doc.AppendChild(rootElement);
+
+            XmlElement result = doc.CreateElement("", "Result", "");
+            result.AppendChild(doc.CreateTextNode("Success"));
+
+            rootElement.AppendChild(result);
+
+            return DocToBytes(doc);
+        }
+
+        private byte[] FailureResult(string msg)
+        {
+            XmlDocument doc = new XmlDocument();
+
+            XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
+                    "", "");
+
+            doc.AppendChild(xmlnode);
+
+            XmlElement rootElement = doc.CreateElement("", "ServerResponse",
+                    "");
+
+            doc.AppendChild(rootElement);
+
+            XmlElement result = doc.CreateElement("", "Result", "");
+            result.AppendChild(doc.CreateTextNode("Failure"));
+
+            rootElement.AppendChild(result);
+
+            XmlElement message = doc.CreateElement("", "Message", "");
+            message.AppendChild(doc.CreateTextNode(msg));
+
+            rootElement.AppendChild(message);
+
+            return DocToBytes(doc);
+        }
+
+        private byte[] DocToBytes(XmlDocument doc)
+        {
+            MemoryStream ms = new MemoryStream();
+            XmlTextWriter xw = new XmlTextWriter(ms, null);
+            xw.Formatting = Formatting.Indented;
+            doc.WriteTo(xw);
+            xw.Flush();
+
+            return ms.ToArray();
+        }
+
+        private System.Net.IPAddress GetCallerIP(IOSHttpRequest request)
+        {
+            if (!m_Proxy)
+                return request.RemoteIPEndPoint.Address;
+
+            // We're behind a proxy
+            string xff = "X-Forwarded-For";
+            string xffValue = request.Headers[xff.ToLower()];
+            if (xffValue == null || (xffValue != null && xffValue == string.Empty))
+                xffValue = request.Headers[xff];
+
+            if (xffValue == null || (xffValue != null && xffValue == string.Empty))
+            {
+                m_log.WarnFormat("[MAP IMAGE HANDLER]: No XFF header");
+                return request.RemoteIPEndPoint.Address;
+            }
+
+            System.Net.IPEndPoint ep = Util.GetClientIPFromXFF(xffValue);
+            if (ep != null)
+                return ep.Address;
+
+            // Oops
+            return request.RemoteIPEndPoint.Address;
+        }
+
+    }
+}
diff --git a/OpenSim/Server/Handlers/Simulation/AgentHandlers.cs b/OpenSim/Server/Handlers/Simulation/AgentHandlers.cs
index 012b14e..0bd8269 100644
--- a/OpenSim/Server/Handlers/Simulation/AgentHandlers.cs
+++ b/OpenSim/Server/Handlers/Simulation/AgentHandlers.cs
@@ -100,6 +100,11 @@ namespace OpenSim.Server.Handlers.Simulation
                 DoAgentDelete(request, responsedata, agentID, action, regionID);
                 return responsedata;
             }
+            else if (method.Equals("DELETECHILD"))
+            {
+                DoChildAgentDelete(request, responsedata, agentID, action, regionID);
+                return responsedata;
+            }
             else if (method.Equals("QUERYACCESS"))
             {
                 DoQueryAccess(request, responsedata, agentID, regionID);
@@ -208,6 +213,24 @@ namespace OpenSim.Server.Handlers.Simulation
             }
         }
 
+        protected void DoChildAgentDelete(Hashtable request, Hashtable responsedata, UUID id, string action, UUID regionID)
+        {
+            m_log.Debug(" >>> DoChildAgentDelete action:" + action + "; RegionID:" + regionID);
+
+            GridRegion destination = new GridRegion();
+            destination.RegionID = regionID;
+
+            if (action.Equals("release"))
+                ReleaseAgent(regionID, id);
+            else
+                m_SimulationService.CloseChildAgent(destination, id);
+
+            responsedata["int_response_code"] = HttpStatusCode.OK;
+            responsedata["str_response_string"] = "OpenSim agent " + id.ToString();
+
+            m_log.Debug("[AGENT HANDLER]: Child Agent Released/Deleted.");
+        }
+
         protected void DoAgentDelete(Hashtable request, Hashtable responsedata, UUID id, string action, UUID regionID)
         {
             m_log.Debug(" >>> DoDelete action:" + action + "; RegionID:" + regionID);
@@ -420,7 +443,15 @@ namespace OpenSim.Server.Handlers.Simulation
         // subclasses can override this
         protected virtual bool CreateAgent(GridRegion destination, AgentCircuitData aCircuit, uint teleportFlags, out string reason)
         {
-            return m_SimulationService.CreateAgent(destination, aCircuit, teleportFlags, out reason);
+            reason = String.Empty;
+            
+            Util.FireAndForget(x =>
+            {
+                string r;
+                m_SimulationService.CreateAgent(destination, aCircuit, teleportFlags, out r);
+            });
+
+            return true;
         }
     }