Add some permissions checks and fixes

OpenSim/Region/Environment/Modules/Avatar/Currency/SampleMoney/SampleMoneyModule.cs

@@ -1591,9 +1591,8 @@ namespace OpenSim.Region.Environment.Modules.Avatar.Currency.SampleMoney
                 return;
             }
 
+            if (s.PerformObjectBuy(remoteClient, categoryID, localID, saleType))
                 doMoneyTransfer(remoteClient.AgentId, part.OwnerID, salePrice, 5000, "Object buy");
-
-            s.PerformObjectBuy(remoteClient, categoryID, localID, saleType);
         }
     }
 

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

@@ -928,6 +928,11 @@ namespace OpenSim.Region.Environment.Scenes
                 return null;
             }
 
+            if ((destAgent != taskItem.OwnerID) && ((taskItem.CurrentPermissions & (uint)PermissionMask.Transfer) == 0))
+            {
+                return null;
+            }
+
             InventoryItemBase agentItem = new InventoryItemBase();
 
             agentItem.ID = UUID.Random();
@@ -943,7 +948,7 @@ namespace OpenSim.Region.Environment.Scenes
             if ((destAgent != taskItem.OwnerID) && ExternalChecks.ExternalChecksPropagatePermissions())
             {
                 agentItem.BasePermissions = taskItem.NextPermissions;
-                agentItem.CurrentPermissions = taskItem.NextPermissions;
+                agentItem.CurrentPermissions = taskItem.NextPermissions | 8;
                 agentItem.NextPermissions = taskItem.NextPermissions;
                 agentItem.EveryOnePermissions = taskItem.EveryonePermissions & taskItem.NextPermissions;
             }
@@ -976,6 +981,9 @@ namespace OpenSim.Region.Environment.Scenes
 
             InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(remoteClient.AgentId, part, itemId);
 
+            if (agentItem == null)
+                return;
+
             agentItem.Folder = folderId;
             AddInventoryItem(remoteClient, agentItem);
         }
@@ -1045,6 +1053,10 @@ namespace OpenSim.Region.Environment.Scenes
                         avatarId);
                 }
                 InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(avatarId, part, itemId);
+
+                if (agentItem == null)
+                    return;
+
                 agentItem.Folder = folderId;
 
                 AddInventoryItem(avatarId, agentItem);
@@ -1082,6 +1094,11 @@ namespace OpenSim.Region.Environment.Scenes
                 return;
             }
 
+            // Can't transfer this
+            //
+            if ((part.OwnerID != destPart.OwnerID) && ((srcTaskItem.CurrentPermissions & (uint)PermissionMask.Transfer) == 0))
+                return;
+
             if (part.OwnerID != destPart.OwnerID && (part.GetEffectiveObjectFlags() & (uint)PrimFlags.AllowInventoryDrop) == 0)
             {
                 // object cannot copy items to an object owned by a different owner
@@ -1166,10 +1183,14 @@ namespace OpenSim.Region.Environment.Scenes
             foreach (UUID itemID in items)
             {
                 InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(destID, host, itemID);
+
+                if (agentItem != null)
+                {
                     agentItem.Folder = newFolderID;
 
                     AddInventoryItem(destID, agentItem);
                 }
+            }
 
             ScenePresence avatar;
 

OpenSim/Region/Environment/Scenes/Scene.cs

@@ -4089,22 +4089,30 @@ namespace OpenSim.Region.Environment.Scenes
             part.GetProperties(client);
         }
 
-        public void PerformObjectBuy(IClientAPI remoteClient, UUID categoryID,
+        public bool PerformObjectBuy(IClientAPI remoteClient, UUID categoryID,
                 uint localID, byte saleType)
         {
             SceneObjectPart part = GetSceneObjectPart(localID);
 
             if (part == null)
-                return;
+                return false;
 
             if (part.ParentGroup == null)
-                return;
+                return false;
 
             SceneObjectGroup group = part.ParentGroup;
 
             switch (saleType)
             {
             case 1: // Sell as original (in-place sale)
+                uint effectivePerms=group.GetEffectivePermissions();
+
+                if ((effectivePerms & (uint)PermissionMask.Transfer) == 0)
+                {
+                    remoteClient.SendAgentAlertMessage("This item doesn't appear to be for sale", false);
+                    return false;
+                }
+
                 group.SetOwnerId(remoteClient.AgentId);
                 group.SetRootPartOwner(part, remoteClient.AgentId,
                         remoteClient.ActiveGroupId);
@@ -4138,6 +4146,14 @@ namespace OpenSim.Region.Environment.Scenes
 
                 if (userInfo != null)
                 {
+                    uint perms=group.GetEffectivePermissions();
+
+                    if ((perms & (uint)PermissionMask.Transfer) == 0)
+                    {
+                        remoteClient.SendAgentAlertMessage("This item doesn't appear to be for sale", false);
+                        return false;
+                    }
+
                     AssetBase asset = CreateAsset(
                         group.GetPartName(localID),
                         group.GetPartDescription(localID),
@@ -4157,7 +4173,6 @@ namespace OpenSim.Region.Environment.Scenes
                     item.InvType = (int)InventoryType.Object;
                     item.Folder = categoryID;
 
-                    uint perms=group.GetEffectivePermissions();
                     uint nextPerms=(perms & 7) << 13;
                     if ((nextPerms & (uint)PermissionMask.Copy) == 0)
                         perms &= ~(uint)PermissionMask.Copy;
@@ -4177,16 +4192,42 @@ namespace OpenSim.Region.Environment.Scenes
                     userInfo.AddItem(item);
                     remoteClient.SendInventoryItemCreateUpdate(item);
                 }
+                else
+                {
+                    remoteClient.SendAgentAlertMessage("Cannot buy now. Your inventory is unavailable", false);
+                    return false;
+                }
                 break;
 
             case 3: // Sell contents
                 List<UUID> invList = part.GetInventoryList();
 
+                bool okToSell = true;
+
+                foreach (UUID invID in invList)
+                {
+                    TaskInventoryItem item = part.GetInventoryItem(invID);
+                    if ((item.CurrentPermissions &
+                            (uint)PermissionMask.Transfer) == 0)
+                    {
+                        okToSell = false;
+                        break;
+                    }
+                }
+
+                if (!okToSell)
+                {
+                    remoteClient.SendAgentAlertMessage("This item's inventory doesn't appear to be for sale", false);
+                    return false;
+                }
+
                 if (invList.Count > 0)
                     MoveTaskInventoryItems(remoteClient.AgentId, part.Name,
                             part, invList);
                 break;
             }
+
+            return true;
         }
 
         public void CleanTempObjects()

OpenSim/Region/Environment/Scenes/SceneObjectPart.Inventory.cs

@@ -716,7 +716,7 @@ namespace OpenSim.Region.Environment.Scenes
 
             foreach (TaskInventoryItem item in m_taskInventory.Values)
             {
-                if (item.InvType == 6)
+                if (item.InvType == 6 && (item.CurrentPermissions & 7) != 0)
                 {
                     if ((item.CurrentPermissions & ((uint)PermissionMask.Copy >> 13)) == 0)
                         item.CurrentPermissions &= ~(uint)PermissionMask.Copy;