From 3399596e0e2df2d0e260ba88ce8a0166de8cbff2 Mon Sep 17 00:00:00 2001
From: Michelle Argus
Date: Mon, 2 Jul 2012 19:12:10 +0200
Subject: Adds a list of viewers that are allowed or banned from the region.

Signed-off-by: Melanie <melanie@t-data.com>
---
 OpenSim/Region/Framework/Scenes/Scene.cs | 65 ++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

(limited to 'OpenSim/Region')

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 293c72a..2493df1 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -120,6 +120,9 @@ namespace OpenSim.Region.Framework.Scenes
         {
             get { return m_defaultDrawDistance; }
         }
+
+        private List<string> m_AllowedViewers = new List<string>();
+        private List<string> m_BanedViewers = new List<string>();
         
         // TODO: need to figure out how allow client agents but deny
         // root agents when ACL denies access to root agent
@@ -779,6 +782,24 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                 }
 
+                string grant = startupConfig.GetString("AllowedViewerList", String.Empty);
+                if (grant.Length > 0)
+                {
+                    foreach (string viewer in grant.Split(','))
+                    {
+                        m_AllowedViewers.Add(viewer.Trim().ToLower());
+                    }
+                }
+
+                grant = startupConfig.GetString("BannedViewerList", String.Empty);
+                if (grant.Length > 0)
+                {
+                    foreach (string viewer in grant.Split(','))
+                    {
+                        m_BanedViewers.Add(viewer.Trim().ToLower());
+                    }
+                }
+
                 MinFrameTime              = startupConfig.GetFloat( "MinFrameTime",                      MinFrameTime);
                 m_update_backup           = startupConfig.GetInt(   "UpdateStorageEveryNFrames",         m_update_backup);
                 m_update_coarse_locations = startupConfig.GetInt(   "UpdateCoarseLocationsEveryNFrames", m_update_coarse_locations);
@@ -3417,6 +3438,50 @@ namespace OpenSim.Region.Framework.Scenes
                 return false;
             }
 
+            //Check if the viewer is banned or in the viewer access list
+            //We check if the substring is listed for higher flexebility
+            bool ViewerDenied = true;
+
+            //Check if the specific viewer is listed in the allowed viewer list
+            if (m_AllowedViewers.Count > 0)
+            {
+                foreach (string viewer in m_AllowedViewers)
+                {
+                    if (viewer == agent.Viewer.Substring(0, viewer.Length).Trim().ToLower())
+                    {
+                        ViewerDenied = false;
+                        break;
+                    }
+                }
+            }
+            else
+            {
+                ViewerDenied = false;
+            }
+
+            //Check if the viewer is in the banned list
+            if (m_BanedViewers.Count > 0)
+            {
+                foreach (string viewer in m_BanedViewers)
+                {
+                    if (viewer == agent.Viewer.Substring(0, viewer.Length).Trim().ToLower())
+                    {
+                        ViewerDenied = true;
+                        break;
+                    }
+                }
+            }
+
+            if (ViewerDenied)
+            {
+                m_log.DebugFormat(
+                    "[SCENE]: Access denied for {0} {1} using {2}",
+                    agent.firstname, agent.lastname, agent.Viewer);
+                reason = "Access denied, your viewer is banned by the region owner";
+                return false;
+            }           
+
+
             ScenePresence sp = GetScenePresence(agent.AgentID);
 
             if (sp != null && !sp.IsChildAgent)
-- 
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