1 files changed, 12 insertions, 6 deletions

diff --git a/OpenSim/Region/Environment/Scenes/Scene.Inventory.cs b/OpenSim/Region/Environment/Scenes/Scene.Inventory.cs
index 12095e5..590bea0 100644
--- a/OpenSim/Region/Environment/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Environment/Scenes/Scene.Inventory.cs
@@ -1179,7 +1179,8 @@ namespace OpenSim.Region.Environment.Scenes
             destTaskItem.InvType = srcTaskItem.InvType;
             destTaskItem.Type = srcTaskItem.Type;
 
-            destPart.AddInventoryItem(destTaskItem);
+            destPart.AddInventoryItem(destTaskItem, part.OwnerID!=destPart.OwnerID
+                                      && ExternalChecks.ExternalChecksPropagatePermissions());
 
             if ((srcTaskItem.CurrentPermissions & (uint)PermissionMask.Copy) == 0)
                 part.RemoveInventoryItem(itemId);
@@ -1249,10 +1250,15 @@ namespace OpenSim.Region.Environment.Scenes
 
             if (part != null)
             {
-                if (!ExternalChecks.ExternalChecksCanEditObjectInventory(part.UUID, remoteClient.AgentId))
-                    return;
-
                 TaskInventoryItem currentItem = part.GetInventoryItem(itemID);
+                bool allowInventoryDrop = (part.GetEffectiveObjectFlags()
+                                           & (uint)PrimFlags.AllowInventoryDrop) != 0;
+                // Explicity allow anyone to add to the inventory if the AllowInventoryDrop
+                // flag has been set. Don't however let them update an item unless
+                // they pass the external checks
+                if (!ExternalChecks.ExternalChecksCanEditObjectInventory(part.UUID, remoteClient.AgentId)
+                    && (currentItem != null || !allowInventoryDrop ))
+                    return;
 
                 if (currentItem == null)
                 {
@@ -1417,7 +1423,7 @@ namespace OpenSim.Region.Environment.Scenes
                 taskItem.PermsMask = 0;
                 taskItem.AssetID = asset.FullID;
 
-                part.AddInventoryItem(taskItem);
+                part.AddInventoryItem(taskItem, false);
                 part.GetProperties(remoteClient);
 
                 part.CreateScriptInstance(taskItem, 0, false, DefaultScriptEngine, 0);
@@ -1512,7 +1518,7 @@ namespace OpenSim.Region.Environment.Scenes
             destTaskItem.InvType = srcTaskItem.InvType;
             destTaskItem.Type = srcTaskItem.Type;
 
-            destPart.AddInventoryItemExclusive(destTaskItem);
+            destPart.AddInventoryItemExclusive(destTaskItem, false);
 
             if (running > 0)
             {