From 2a1e45f65736214a9e8d782be1f92bb78725121f Mon Sep 17 00:00:00 2001
From: Diva Canto
Date: Sat, 15 May 2010 19:25:14 -0700
Subject: Finalized the client's TCP IP address verification process for HG1.5.

---
 OpenSim/Framework/AgentCircuitManager.cs | 26 ++++++++++++++++++++++++++
 OpenSim/Framework/Capabilities/Caps.cs   | 12 ++++++++++--
 OpenSim/Framework/IScene.cs              |  2 ++
 3 files changed, 38 insertions(+), 2 deletions(-)

(limited to 'OpenSim/Framework')

diff --git a/OpenSim/Framework/AgentCircuitManager.cs b/OpenSim/Framework/AgentCircuitManager.cs
index e5dbb5a..49d7822 100644
--- a/OpenSim/Framework/AgentCircuitManager.cs
+++ b/OpenSim/Framework/AgentCircuitManager.cs
@@ -36,6 +36,7 @@ namespace OpenSim.Framework
     public class AgentCircuitManager
     {
         public Dictionary<uint, AgentCircuitData> AgentCircuits = new Dictionary<uint, AgentCircuitData>();
+        public Dictionary<UUID, AgentCircuitData> AgentCircuitsByUUID = new Dictionary<UUID, AgentCircuitData>();
 
         public virtual AuthenticateResponse AuthenticateSession(UUID sessionID, UUID agentID, uint circuitcode)
         {
@@ -86,10 +87,12 @@ namespace OpenSim.Framework
                 if (AgentCircuits.ContainsKey(circuitCode))
                 {
                     AgentCircuits[circuitCode] = agentData;
+                    AgentCircuitsByUUID[agentData.AgentID] = agentData;
                 }
                 else
                 {
                     AgentCircuits.Add(circuitCode, agentData);
+                    AgentCircuitsByUUID.Add(agentData.AgentID, agentData);
                 }
             }
         }
@@ -99,10 +102,26 @@ namespace OpenSim.Framework
             lock (AgentCircuits)
             {
                 if (AgentCircuits.ContainsKey(circuitCode))
+                {
+                    UUID agentID = AgentCircuits[circuitCode].AgentID;
                     AgentCircuits.Remove(circuitCode);
+                    AgentCircuitsByUUID.Remove(agentID);
+                }
             }
         }
 
+        public virtual void RemoveCircuit(UUID agentID)
+        {
+            lock (AgentCircuits)
+            {
+                if (AgentCircuitsByUUID.ContainsKey(agentID))
+                {
+                    uint circuitCode = AgentCircuitsByUUID[agentID].circuitcode;
+                    AgentCircuits.Remove(circuitCode);
+                    AgentCircuitsByUUID.Remove(agentID);
+                }
+            }
+        }
         public AgentCircuitData GetAgentCircuitData(uint circuitCode)
         {
             AgentCircuitData agentCircuit = null;
@@ -110,6 +129,13 @@ namespace OpenSim.Framework
             return agentCircuit;
         }
 
+        public AgentCircuitData GetAgentCircuitData(UUID agentID)
+        {
+            AgentCircuitData agentCircuit = null;
+            AgentCircuitsByUUID.TryGetValue(agentID, out agentCircuit);
+            return agentCircuit;
+        }
+
         public void UpdateAgentData(AgentCircuitData agentData)
         {
             if (AgentCircuits.ContainsKey((uint) agentData.circuitcode))
diff --git a/OpenSim/Framework/Capabilities/Caps.cs b/OpenSim/Framework/Capabilities/Caps.cs
index b27d011..62a1e17 100644
--- a/OpenSim/Framework/Capabilities/Caps.cs
+++ b/OpenSim/Framework/Capabilities/Caps.cs
@@ -99,6 +99,7 @@ namespace OpenSim.Framework.Capabilities
         // private static readonly string m_remoteParcelRequestPath = "0009/";// This is in the LandManagementModule.
 
         //private string eventQueue = "0100/";
+        private IScene m_Scene;
         private IHttpServer m_httpListener;
         private UUID m_agentID;
         private IAssetService m_assetCache;
@@ -130,9 +131,10 @@ namespace OpenSim.Framework.Capabilities
         public FetchInventoryDescendentsCAPS CAPSFetchInventoryDescendents = null;
         public GetClientDelegate GetClient = null;
 
-        public Caps(IAssetService assetCache, IHttpServer httpServer, string httpListen, uint httpPort, string capsPath,
+        public Caps(IScene scene, IAssetService assetCache, IHttpServer httpServer, string httpListen, uint httpPort, string capsPath,
                     UUID agent, bool dumpAssetsToFile, string regionName)
         {
+            m_Scene = scene;
             m_assetCache = assetCache;
             m_capsObjectPath = capsPath;
             m_httpListener = httpServer;
@@ -278,7 +280,13 @@ namespace OpenSim.Framework.Capabilities
         public string CapsRequest(string request, string path, string param,
                                   OSHttpRequest httpRequest, OSHttpResponse httpResponse)
         {
-            //m_log.Debug("[CAPS]: Seed Caps Request in region: " + m_regionName);
+            m_log.Debug("[CAPS]: Seed Caps Request in region: " + m_regionName);
+
+            if (!m_Scene.CheckClient(m_agentID, httpRequest.RemoteIPEndPoint))
+            {
+                m_log.DebugFormat("[CAPS]: Unauthorized CAPS client");
+                return string.Empty;
+            }
 
             string result = LLSDHelpers.SerialiseLLSDReply(m_capsHandlers.CapsDetails);
 
diff --git a/OpenSim/Framework/IScene.cs b/OpenSim/Framework/IScene.cs
index 19ab409..6798b7b 100644
--- a/OpenSim/Framework/IScene.cs
+++ b/OpenSim/Framework/IScene.cs
@@ -102,5 +102,7 @@ namespace OpenSim.Framework
         void AddCommand(object module, string command, string shorthelp, string longhelp, CommandDelegate callback);
 
         ISceneObject DeserializeObject(string representation);
+
+        bool CheckClient(UUID agentID, System.Net.IPEndPoint ep);
     }
 }
-- 
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