From 4021709371c6923897c11e55b6645f7174107352 Mon Sep 17 00:00:00 2001
From: "Justin Clark-Casey (justincc)" <jjustincc@googlemail.com>
Date: Thu, 22 Mar 2012 22:33:37 +0000
Subject: [PATCH] Fix llGiveInventory() so that it checks the destination part
 for AllowInventoryDrop, not the source.

This allows llAllowInventoryDrop() to work.
Regression test added for this case.
---
 .../Framework/Scenes/Scene.Inventory.cs       | 10 ++--
 .../Shared/Tests/LSL_ApiInventoryTests.cs     | 59 ++++++++++++++++++-
 2 files changed, 63 insertions(+), 6 deletions(-)

diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index 23f39a8c6d..b5558d1427 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -1210,9 +1210,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Copy a task (prim) inventory item to another task (prim)
         /// </summary>
-        /// <param name="destId"></param>
-        /// <param name="part"></param>
-        /// <param name="itemId"></param>
+        /// <param name="destId">ID of destination part</param>
+        /// <param name="part">Source part</param>
+        /// <param name="itemId">Source item id to transfer</param>
         public void MoveTaskInventoryItem(UUID destId, SceneObjectPart part, UUID itemId)
         {
             TaskInventoryItem srcTaskItem = part.Inventory.GetInventoryItem(itemId);
@@ -1240,10 +1240,10 @@ namespace OpenSim.Region.Framework.Scenes
 
             // Can't transfer this
             //
-            if ((part.OwnerID != destPart.OwnerID) && ((srcTaskItem.CurrentPermissions & (uint)PermissionMask.Transfer) == 0))
+            if (part.OwnerID != destPart.OwnerID && (srcTaskItem.CurrentPermissions & (uint)PermissionMask.Transfer) == 0)
                 return;
 
-            if (part.OwnerID != destPart.OwnerID && (part.GetEffectiveObjectFlags() & (uint)PrimFlags.AllowInventoryDrop) == 0)
+            if (part.OwnerID != destPart.OwnerID && (destPart.GetEffectiveObjectFlags() & (uint)PrimFlags.AllowInventoryDrop) == 0)
             {
                 // object cannot copy items to an object owned by a different owner
                 // unless llAllowInventoryDrop has been called
diff --git a/OpenSim/Region/ScriptEngine/Shared/Tests/LSL_ApiInventoryTests.cs b/OpenSim/Region/ScriptEngine/Shared/Tests/LSL_ApiInventoryTests.cs
index ca27b278e9..e2d0db267f 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Tests/LSL_ApiInventoryTests.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Tests/LSL_ApiInventoryTests.cs
@@ -75,7 +75,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Tests
         /// Test giving inventory from an object to an object where both are owned by the same user.
         /// </summary>
         [Test]
-        public void TestLlGiveInventorySameOwner()
+        public void TestLlGiveInventoryO2OSameOwner()
         {
             TestHelpers.InMethod();
 //            log4net.Config.XmlConfigurator.Configure();
@@ -107,5 +107,62 @@ namespace OpenSim.Region.ScriptEngine.Shared.Tests
             Assert.That(copiedItems.Count, Is.EqualTo(1));
             Assert.That(copiedItems[0].Name, Is.EqualTo(inventoryItemName));
         }
+
+        /// <summary>
+        /// Test giving inventory from an object to an object where they have different owners
+        /// </summary>
+        [Test]
+        public void TestLlGiveInventoryO2ODifferentOwners()
+        {
+            TestHelpers.InMethod();
+//            log4net.Config.XmlConfigurator.Configure();
+
+            UUID user1Id = TestHelpers.ParseTail(0x1);
+            UUID user2Id = TestHelpers.ParseTail(0x2);
+            string inventoryItemName = "item1";
+
+            SceneObjectGroup so1 = SceneHelpers.CreateSceneObject(1, user1Id, "so1", 0x10);
+            m_scene.AddSceneObject(so1);
+            LSL_Api api = new LSL_Api();
+            api.Initialize(m_engine, so1.RootPart, so1.RootPart.LocalId, so1.RootPart.UUID);
+
+            // Create an object embedded inside the first
+            UUID itemId = TestHelpers.ParseTail(0x20);
+            TaskInventoryHelpers.AddSceneObject(m_scene, so1.RootPart, inventoryItemName, itemId, user1Id);
+
+            // Create a second object
+            SceneObjectGroup so2 = SceneHelpers.CreateSceneObject(1, user2Id, "so2", 0x100);
+            m_scene.AddSceneObject(so2);
+            LSL_Api api2 = new LSL_Api();
+            api2.Initialize(m_engine, so2.RootPart, so2.RootPart.LocalId, so2.RootPart.UUID);
+
+            // *** Firstly, we test where llAllowInventoryDrop() has not been called. ***
+            api.llGiveInventory(so2.UUID.ToString(), inventoryItemName);
+
+            {
+                // Item has copy permissions so original should stay intact.
+                List<TaskInventoryItem> originalItems = so1.RootPart.Inventory.GetInventoryItems();
+                Assert.That(originalItems.Count, Is.EqualTo(1));
+
+                // Should have not copied
+                List<TaskInventoryItem> copiedItems = so2.RootPart.Inventory.GetInventoryItems(inventoryItemName);
+                Assert.That(copiedItems.Count, Is.EqualTo(0));
+            }
+
+            // *** Secondly, we turn on allow inventory drop in the target and retest. ***
+            api2.llAllowInventoryDrop(1);
+            api.llGiveInventory(so2.UUID.ToString(), inventoryItemName);
+
+            {
+                // Item has copy permissions so original should stay intact.
+                List<TaskInventoryItem> originalItems = so1.RootPart.Inventory.GetInventoryItems();
+                Assert.That(originalItems.Count, Is.EqualTo(1));
+    
+                // Should now have copied.
+                List<TaskInventoryItem> copiedItems = so2.RootPart.Inventory.GetInventoryItems(inventoryItemName);
+                Assert.That(copiedItems.Count, Is.EqualTo(1));
+                Assert.That(copiedItems[0].Name, Is.EqualTo(inventoryItemName));
+            }
+        }
     }
 }
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