From ea51bea508a966420bab82dfc2af3c240095e427 Mon Sep 17 00:00:00 2001
From: Melanie Thielker
Date: Thu, 15 Jul 2010 20:28:18 +0200
Subject: prevent hacked viewers from being able to delete arbitrary items from
 any prim. Allow friends with perms and shared group members to move or copy
 things out of prims

---
 OpenSim/Region/Framework/Scenes/Scene.Inventory.cs | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index 1bb7075..953dd56 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -916,6 +916,9 @@ namespace OpenSim.Region.Framework.Scenes
             SceneObjectGroup group = part.ParentGroup;
             if (group != null)
             {
+                if (!Permissions.CanEditObjectInventory(part.UUID, remoteClient.AgentId))
+                    return;
+                
                 TaskInventoryItem item = group.GetInventoryItem(localID, itemID);
                 if (item == null)
                     return;
@@ -1055,9 +1058,21 @@ namespace OpenSim.Region.Framework.Scenes
                 return;
             }
 
-            // Only owner can copy
-            if (remoteClient.AgentId != taskItem.OwnerID)
-                return;
+            TaskInventoryItem item = part.Inventory.GetInventoryItem(itemId);
+            if ((item.CurrentPermissions & (uint)PermissionMask.Copy) == 0)
+            {
+                // If the item to be moved is no copy, we need to be able to
+                // edit the prim.
+                if (!Permissions.CanEditObjectInventory(part.UUID, remoteClient.AgentId))
+                    return;
+            }
+            else
+            {
+                // If the item is copiable, then we just need to have perms
+                // on it. The delete check is a pure rights check
+                if (!Permissions.CanDeleteObject(part.UUID, remoteClient.AgentId))
+                    return;
+            }
 
             MoveTaskInventoryItem(remoteClient, folderId, part, itemId);
         }
-- 
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