From 7f727bd33eef49b90c751d21ba8c69ef375f2cf7 Mon Sep 17 00:00:00 2001
From: Sean Dague <sean@dague.net>
Date: Thu, 26 Feb 2009 22:37:02 +0000
Subject: [PATCH] This adds a new osGetAgentIP function with threat level set
 to High.  It isn't tested, but it doesn't break anything else.  The reason
 for this function is to let in world tools be used to coordiante out of world
 network services that need access to client ip addresses.

---
 .../Shared/Api/Implementation/OSSL_Api.cs     | 29 +++++++++++++++++++
 .../Shared/Api/Interface/IOSSL_Api.cs         |  3 ++
 .../Shared/Api/Runtime/OSSL_Stub.cs           |  6 ++++
 prebuild.xml                                  |  1 +
 4 files changed, 39 insertions(+)

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index 7834a8326d..e008ff46b8 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -30,6 +30,7 @@ using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.Remoting.Lifetime;
 using System.Text;
+using System.Net;
 using OpenMetaverse;
 using Nini.Config;
 using OpenSim;
@@ -548,6 +549,34 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             osTeleportAgent(agent, World.RegionInfo.RegionName, position, lookat);
         }
 
+        // Functions that get information from the agent itself.
+        //
+        // osGetAgentIP - this is used to determine the IP address of
+        //the client.  This is needed to help configure other in world
+        //resources based on the IP address of the clients connected.
+        //I think High is a good risk level for this, as it is an
+        //information leak.
+        public string osGetAgentIP(string agent)
+        {
+            CheckThreatLevel(ThreatLevel.High, "osGetAgentIP");
+
+            UUID avatarID = (UUID)agent;
+
+            m_host.AddScriptLPS(1);
+            if (World.Entities.ContainsKey((UUID)agent) && World.Entities[avatarID] is ScenePresence)
+            {
+                ScenePresence target = (ScenePresence)World.Entities[avatarID];
+                EndPoint ep = target.ControllingClient.GetClientInfo().userEP;
+                if (ep is IPEndPoint) 
+                {
+                    IPEndPoint ip = (IPEndPoint)ep;
+                    return ip.Address.ToString();
+                }
+            }
+            // fall through case, just return nothing
+            return "";
+        }
+
         // Adam's super super custom animation functions
         public void osAvatarPlayAnimation(string avatar, string animation)
         {
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
index 1150d76edb..c3c5cecbc5 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
@@ -67,6 +67,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         void osSetParcelMediaURL(string url);
         void osSetPrimFloatOnWater(int floatYN);
 
+        // Avatar Info Commands
+        string osGetAgentIP(string agent);
+
         // Teleport commands
         void osTeleportAgent(string agent, string regionName, LSL_Types.Vector3 position, LSL_Types.Vector3 lookat);
         void osTeleportAgent(string agent, uint regionX, uint regionY, LSL_Types.Vector3 position, LSL_Types.Vector3 lookat);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
index 6ba8b20c05..d8b9f1fa80 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
@@ -143,6 +143,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
             m_OSSL_Functions.osTeleportAgent(agent, position, lookat);
         }
 
+        // Avatar info functions 
+        public string osGetAgentIP(string agent)
+        {
+            return m_OSSL_Functions.osGetAgentIP(agent);
+        }
+
         // Animation Functions
 
         public void osAvatarPlayAnimation(string avatar, string animation)
diff --git a/prebuild.xml b/prebuild.xml
index 2531e0b7b8..85e429dbb5 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -1895,6 +1895,7 @@
       <ReferencePath>../../../../bin/</ReferencePath>
       <Reference name="System"/>
       <Reference name="System.Data"/>
+      <Reference name="System.Net"/>
       <Reference name="System.Web"/>
       <Reference name="System.Xml"/>
       <Reference name="OpenMetaverseTypes.dll"/>