fix right to change permissions of group owned objects

OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs

@@ -293,6 +293,7 @@ namespace OpenSim.Region.CoreModules.World.Permissions
             scenePermissions.OnDeleteObject += CanDeleteObject;
             scenePermissions.OnEditObjectByIDs += CanEditObjectByIDs;
             scenePermissions.OnEditObject += CanEditObject;
+            scenePermissions.OnEditObjectPerms += CanEditObjectPerms;
             scenePermissions.OnInventoryTransfer += CanInventoryTransfer;
             scenePermissions.OnMoveObject += CanMoveObject;
             scenePermissions.OnTakeObject += CanTakeObject;
@@ -391,6 +392,7 @@ namespace OpenSim.Region.CoreModules.World.Permissions
             scenePermissions.OnDeleteObject -= CanDeleteObject;
             scenePermissions.OnEditObjectByIDs -= CanEditObjectByIDs;
             scenePermissions.OnEditObject -= CanEditObject;
+            scenePermissions.OnEditObjectPerms -= CanEditObjectPerms;
             scenePermissions.OnInventoryTransfer -= CanInventoryTransfer;
             scenePermissions.OnMoveObject -= CanMoveObject;
             scenePermissions.OnTakeObject -= CanTakeObject;
@@ -1387,6 +1389,35 @@ namespace OpenSim.Region.CoreModules.World.Permissions
             return true;
         }
 
+        private bool CanEditObjectPerms(SceneObjectGroup sog, UUID userID)
+        {
+            DebugPermissionInformation(MethodInfo.GetCurrentMethod().Name);
+            if (m_bypassPermissions) return m_bypassPermissionsValue;
+
+            if (sog == null)
+                return false;
+
+            if(sog.OwnerID == userID || IsAdministrator(userID))
+                return true;
+
+            UUID sogGroupID = sog.GroupID;
+            if(sogGroupID == UUID.Zero || sogGroupID != sog.OwnerID)
+                return false;
+
+            uint perms = sog.EffectiveOwnerPerms;
+            if((perms & (uint)PermissionMask.Modify) == 0)
+                return false;
+
+            ulong powers = 0;
+            if(GroupMemberPowers(sogGroupID, userID, ref powers))
+            {
+                if((powers & (ulong)GroupPowers.ObjectManipulate) != 0)
+                    return true;
+            }
+
+            return false;
+        }
+
         private bool CanEditObjectInventory(UUID objectID, UUID userID)
         {
             DebugPermissionInformation(MethodInfo.GetCurrentMethod().Name);
@@ -2306,7 +2337,7 @@ namespace OpenSim.Region.CoreModules.World.Permissions
             ulong powers = 0;
             if(GroupMemberPowers(sogGroupID, userID, ref powers))
             {
-                if(powers == (ulong)GroupPowers.ObjectManipulate)
+                if((powers & (ulong)GroupPowers.ObjectManipulate) != 0)
                     return true;
 
                 if((ti.EveryonePermissions & (uint)PermissionMask.Copy) != 0)

OpenSim/Region/Framework/Scenes/Scene.Permissions.cs

@@ -53,6 +53,7 @@ namespace OpenSim.Region.Framework.Scenes
     public delegate bool DuplicateObjectHandler(SceneObjectGroup sog, ScenePresence sp);
     public delegate bool EditObjectByIDsHandler(UUID objectID, UUID editorID);
     public delegate bool EditObjectHandler(SceneObjectGroup sog, ScenePresence sp);
+    public delegate bool EditObjectPermsHandler(SceneObjectGroup sog, UUID editorID);
     public delegate bool EditObjectInventoryHandler(UUID objectID, UUID editorID);
     public delegate bool MoveObjectHandler(SceneObjectGroup sog, ScenePresence sp);
     public delegate bool ObjectEntryHandler(SceneObjectGroup sog, bool enteringRegion, Vector3 newPoint);
@@ -133,6 +134,7 @@ namespace OpenSim.Region.Framework.Scenes
         public event DuplicateObjectHandler OnDuplicateObject;
         public event EditObjectByIDsHandler OnEditObjectByIDs;
         public event EditObjectHandler OnEditObject;
+        public event EditObjectPermsHandler OnEditObjectPerms;
         public event EditObjectInventoryHandler OnEditObjectInventory;
         public event MoveObjectHandler OnMoveObject;
         public event ObjectEntryHandler OnObjectEntry;
@@ -511,6 +513,24 @@ namespace OpenSim.Region.Framework.Scenes
             return true;
         }
 
+        public bool CanEditObjectPermissions(SceneObjectGroup sog, UUID editorID)
+        {
+            EditObjectPermsHandler handler = OnEditObjectPerms;
+            if (handler != null)
+            {
+                if(sog == null)
+                    return false;
+                Delegate[] list = handler.GetInvocationList();
+                foreach (EditObjectPermsHandler h in list)
+                {
+                    if (h(sog, editorID) == false)
+                        return false;
+                }
+            }
+            return true;
+        }
+
+
         public bool CanEditObjectInventory(UUID objectID, UUID editorID)
         {
             EditObjectInventoryHandler handler = OnEditObjectInventory;

OpenSim/Region/Framework/Scenes/SceneObjectPart.cs

@@ -4460,8 +4460,11 @@ SendFullUpdateToClient(remoteClient, Position) ignores position parameter
             if (god)
                 baseMask = 0x7ffffff0;
 
-            // Are we the owner?
+            bool canChange = (AgentID == OwnerID) || god;
-            if ((AgentID == OwnerID) || god)
+            if(!canChange)
+                canChange = ParentGroup.Scene.Permissions.CanEditObjectPermissions(ParentGroup, AgentID);
+
+            if (canChange)
             {
                 switch (field)
                 {