Fix issue where llRemoteLoadScriptPin() would treat 0 (the default) as a valid set pin in a destination prim rather than the unset no pin state

Adds regression test for this case.

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

@@ -1883,8 +1883,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// Rez a script into a prim's inventory from another prim
         /// </summary>
         /// <param name="remoteClient"></param>
-        /// <param name="itemID"> </param>
+        /// <param name="srcPart"> </param>
-        /// <param name="localID"></param>
+        /// <param name="destId"> </param>
+        /// <param name="pin"></param>
+        /// <param name="running"></param>
+        /// <param name="start_param"></param>
         public void RezScriptFromPrim(UUID srcId, SceneObjectPart srcPart, UUID destId, int pin, int running, int start_param)
         {
             TaskInventoryItem srcTaskItem = srcPart.Inventory.GetInventoryItem(srcId);
@@ -1904,9 +1907,8 @@ namespace OpenSim.Region.Framework.Scenes
             if (destPart == null)
             {
                 m_log.ErrorFormat(
-                        "[PRIM INVENTORY]: " +
+                    "[PRIM INVENTORY]: Could not find part {0} to insert script item {1} from {2} {3} in {4}",
-                        "Could not find script for ID {0}",
+                    destId, srcId, srcPart.Name, srcPart.UUID, Name);
-                        destId);
                 return;
             }
 
@@ -1917,12 +1919,14 @@ namespace OpenSim.Region.Framework.Scenes
                 if ((destPart.GroupID == UUID.Zero) || (destPart.GroupID != srcPart.GroupID) ||
                     ((destPart.GroupMask & (uint)PermissionMask.Modify) == 0))
                     return;
-            } else {
+            } 
+            else 
+            {
                 if ((destPart.OwnerMask & (uint)PermissionMask.Modify) == 0)
                     return;
             }
 
-            if (destPart.ScriptAccessPin != pin)
+            if (destPart.ScriptAccessPin == 0 || destPart.ScriptAccessPin != pin)
             {
                 m_log.WarnFormat(
                         "[PRIM INVENTORY]: " +

OpenSim/Region/ScriptEngine/Shared/Tests/LSL_ApiInventoryTests.cs

@@ -167,5 +167,52 @@ namespace OpenSim.Region.ScriptEngine.Shared.Tests
                 Assert.That(copiedItems[0].Name, Is.EqualTo(inventoryItemName));
             }
         }
+
+        [Test]
+        public void TestLlRemoteLoadScriptPin()
+        {
+            TestHelpers.InMethod();
+//                        TestHelpers.EnableLogging();
+
+            UUID user1Id = TestHelpers.ParseTail(0x1);
+            UUID user2Id = TestHelpers.ParseTail(0x2);
+
+            SceneObjectGroup sourceSo = SceneHelpers.AddSceneObject(m_scene, "sourceSo", user1Id);
+            m_scene.AddSceneObject(sourceSo);
+            LSL_Api api = new LSL_Api();
+            api.Initialize(m_engine, sourceSo.RootPart, null, null);
+            TaskInventoryHelpers.AddScript(m_scene, sourceSo.RootPart, "script", "Hello World");
+
+            SceneObjectGroup targetSo = SceneHelpers.AddSceneObject(m_scene, "targetSo", user1Id);
+            SceneObjectGroup otherOwnedTargetSo = SceneHelpers.AddSceneObject(m_scene, "otherOwnedTargetSo", user2Id);
+
+            // Test that we cannot load a script when the target pin has never been set (i.e. it is zero)
+            api.llRemoteLoadScriptPin(targetSo.UUID.ToString(), "script", 0, 0, 0);
+            Assert.IsNull(targetSo.RootPart.Inventory.GetInventoryItem("script"));
+
+            // Test that we cannot load a script when the given pin does not match the target
+            targetSo.RootPart.ScriptAccessPin = 5;
+            api.llRemoteLoadScriptPin(targetSo.UUID.ToString(), "script", 3, 0, 0);
+            Assert.IsNull(targetSo.RootPart.Inventory.GetInventoryItem("script"));
+
+            // Test that we cannot load into a prim with a different owner
+            otherOwnedTargetSo.RootPart.ScriptAccessPin = 3;
+            api.llRemoteLoadScriptPin(otherOwnedTargetSo.UUID.ToString(), "script", 3, 0, 0);
+            Assert.IsNull(otherOwnedTargetSo.RootPart.Inventory.GetInventoryItem("script"));
+
+            // Test that we can load a script when given pin and dest pin match.
+            targetSo.RootPart.ScriptAccessPin = 3;
+            api.llRemoteLoadScriptPin(targetSo.UUID.ToString(), "script", 3, 0, 0);
+            TaskInventoryItem insertedItem = targetSo.RootPart.Inventory.GetInventoryItem("script");
+            Assert.IsNotNull(insertedItem);
+
+            // Test that we can no longer load if access pin is unset
+            targetSo.RootPart.Inventory.RemoveInventoryItem(insertedItem.ItemID);
+            Assert.IsNull(targetSo.RootPart.Inventory.GetInventoryItem("script"));
+
+            targetSo.RootPart.ScriptAccessPin = 0;
+            api.llRemoteLoadScriptPin(otherOwnedTargetSo.UUID.ToString(), "script", 3, 0, 0);
+            Assert.IsNull(otherOwnedTargetSo.RootPart.Inventory.GetInventoryItem("script"));
+        }
     }
 }