5 files changed, 61 insertions, 55 deletions

diff --git a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
index fcf373b..0104823 100644
--- a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
@@ -532,17 +532,13 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
             }
             else
             {
+                AddPermissions(item, objlist[0], objlist, remoteClient);
+
                 item.CreationDate = Util.UnixTimeSinceEpoch();
                 item.Description = asset.Description;
                 item.Name = asset.Name;
                 item.AssetType = asset.Type;
 
-                //preserve perms on return
-                if(DeRezAction.Return == action)
-                    AddPermissions(item, objlist[0], objlist, null);
-                else
-                    AddPermissions(item, objlist[0], objlist, remoteClient);
-
                 m_Scene.AddInventoryItem(item);
 
                 if (remoteClient != null && item.Owner == remoteClient.AgentId)
@@ -599,15 +595,16 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
             }
             effectivePerms |= (uint)PermissionMask.Move;
 
-            //PermissionsUtil.LogPermissions(item.Name, "Before AddPermissions", item.BasePermissions, item.CurrentPermissions, item.NextPermissions);
-
             if (remoteClient != null && (remoteClient.AgentId != so.RootPart.OwnerID) && m_Scene.Permissions.PropagatePermissions())
             {
-                // Changing ownership, so apply the "Next Owner" permissions to all of the
-                // inventory item's permissions.
-
                 uint perms = effectivePerms;
-                PermissionsUtil.ApplyFoldedPermissions(effectivePerms, ref perms);
+                uint nextPerms = (perms & 7) << 13;
+                if ((nextPerms & (uint)PermissionMask.Copy) == 0)
+                    perms &= ~(uint)PermissionMask.Copy;
+                if ((nextPerms & (uint)PermissionMask.Transfer) == 0)
+                    perms &= ~(uint)PermissionMask.Transfer;
+                if ((nextPerms & (uint)PermissionMask.Modify) == 0)
+                    perms &= ~(uint)PermissionMask.Modify;
 
                 item.BasePermissions = perms & so.RootPart.NextOwnerMask;
                 item.CurrentPermissions = item.BasePermissions;
@@ -620,13 +617,6 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
             }
             else
             {
-                // Not changing ownership.
-                // In this case we apply the permissions in the object's items ONLY to the inventory
-                // item's "Next Owner" permissions, but NOT to its "Current", "Base", etc. permissions.
-                // E.g., if the object contains a No-Transfer item then the item's "Next Owner"
-                // permissions are also No-Transfer.
-                PermissionsUtil.ApplyFoldedPermissions(effectivePerms, ref allObjectsNextOwnerPerms);
-
                 item.BasePermissions = effectivePerms;
                 item.CurrentPermissions = effectivePerms;
                 item.NextPermissions = so.RootPart.NextOwnerMask & effectivePerms;
@@ -640,10 +630,8 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                          (uint)PermissionMask.Move |
                          (uint)PermissionMask.Export |
                          7); // Preserve folded permissions
-            }
-
-            //PermissionsUtil.LogPermissions(item.Name, "After AddPermissions", item.BasePermissions, item.CurrentPermissions, item.NextPermissions);
-
+            }    
+            
             return item;
         }
 
@@ -1153,6 +1141,12 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                             part.OwnerID = item.Owner;
                             part.RezzerID = item.Owner;
                             part.Inventory.ChangeInventoryOwner(item.Owner);
+
+                            // This applies the base mask from the item as the next
+                            // permissions for the object. This is correct because the
+                            // giver's base mask was masked by the giver's next owner
+                            // mask, so the base mask equals the original next owner mask.
+                            part.NextOwnerMask = item.BasePermissions;
                         }
 
                         so.ApplyNextOwnerPermissions();
@@ -1164,10 +1158,8 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                         {
                             if ((item.Flags & (uint)InventoryItemFlags.ObjectHasMultipleItems) == 0)
                             {
-                                if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteEveryone) != 0)
-                                    part.EveryoneMask = item.EveryOnePermissions & part.BaseMask;
-                                if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteNextOwner) != 0)
-                                    part.NextOwnerMask = item.NextPermissions & part.BaseMask;
+                                part.EveryoneMask = item.EveryOnePermissions & part.BaseMask;
+                                part.NextOwnerMask = item.NextPermissions & part.BaseMask;
                             }
                         }
                     }
diff --git a/OpenSim/Region/CoreModules/World/Objects/BuySell/BuySellModule.cs b/OpenSim/Region/CoreModules/World/Objects/BuySell/BuySellModule.cs
index b7f01be..2837358 100644
--- a/OpenSim/Region/CoreModules/World/Objects/BuySell/BuySellModule.cs
+++ b/OpenSim/Region/CoreModules/World/Objects/BuySell/BuySellModule.cs
@@ -211,7 +211,13 @@ namespace OpenSim.Region.CoreModules.World.Objects.BuySell
                 item.InvType = (int)InventoryType.Object;
                 item.Folder = categoryID;
 
-                PermissionsUtil.ApplyFoldedPermissions(perms, ref perms);
+                uint nextPerms=(perms & 7) << 13;
+                if ((nextPerms & (uint)PermissionMask.Copy) == 0)
+                    perms &= ~(uint)PermissionMask.Copy;
+                if ((nextPerms & (uint)PermissionMask.Transfer) == 0)
+                    perms &= ~(uint)PermissionMask.Transfer;
+                if ((nextPerms & (uint)PermissionMask.Modify) == 0)
+                    perms &= ~(uint)PermissionMask.Modify;
 
                 item.BasePermissions = perms & part.NextOwnerMask;
                 item.CurrentPermissions = perms & part.NextOwnerMask;
diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index e3ccf96..cb06540 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -627,6 +627,7 @@ namespace OpenSim.Region.Framework.Scenes
             itemCopy.AssetType = item.AssetType;
             itemCopy.InvType = item.InvType;
             itemCopy.Folder = recipientFolderId;
+            itemCopy.Flags = item.Flags;
 
             if (Permissions.PropagatePermissions() && recipient != senderId)
             {
@@ -643,7 +644,7 @@ namespace OpenSim.Region.Framework.Scenes
                 //
                 // Transfer
                 // Copy
-                // Modufy
+                // Modify
                 uint permsMask = ~ ((uint)PermissionMask.Copy |
                                     (uint)PermissionMask.Transfer |
                                     (uint)PermissionMask.Modify);
@@ -681,13 +682,17 @@ namespace OpenSim.Region.Framework.Scenes
                 // a mask
                 if (item.InvType == (int)InventoryType.Object)
                 {
+                    // Create a safe mask for the current perms
+                    uint foldedPerms = (item.CurrentPermissions & 7) << 13;
+                    foldedPerms |= permsMask;
+
                     bool isRootMod = (item.CurrentPermissions &
                                       (uint)PermissionMask.Modify) != 0 ?
                                       true : false;
 
                     // Mask the owner perms to the folded perms
-                    PermissionsUtil.ApplyFoldedPermissions(item.CurrentPermissions, ref ownerPerms);
-                    PermissionsUtil.ApplyFoldedPermissions(item.CurrentPermissions, ref basePerms);
+                    ownerPerms &= foldedPerms;
+                    basePerms &= foldedPerms;
 
                     // If the root was mod, let the mask reflect that
                     // We also need to adjust the base here, because
@@ -714,6 +719,10 @@ namespace OpenSim.Region.Framework.Scenes
                 itemCopy.BasePermissions = basePerms;
                 itemCopy.CurrentPermissions = ownerPerms;
                 itemCopy.Flags |= (uint)InventoryItemFlags.ObjectSlamPerm;
+                // Need to clear the other inventory slam options.
+                // That is so we can handle the case where the recipient
+                // changes the bits in inventory before rezzing
+                itemCopy.Flags &= ~(uint)(InventoryItemFlags.ObjectOverwriteBase | InventoryItemFlags.ObjectOverwriteOwner | InventoryItemFlags.ObjectOverwriteGroup | InventoryItemFlags.ObjectOverwriteEveryone | InventoryItemFlags.ObjectOverwriteNextOwner);
 
                 itemCopy.NextPermissions = item.NextPermissions;
 
@@ -763,9 +772,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             itemCopy.GroupID = UUID.Zero;
             itemCopy.GroupOwned = false;
-            itemCopy.Flags = item.Flags;
-            itemCopy.SalePrice = item.SalePrice;
-            itemCopy.SaleType = item.SaleType;
+            itemCopy.SalePrice = 0; //item.SalePrice;
+            itemCopy.SaleType = 0; //item.SaleType;
 
             IInventoryAccessModule invAccess = RequestModuleInterface<IInventoryAccessModule>();
             if (invAccess != null)
@@ -1240,26 +1248,18 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 agentItem.BasePermissions = taskItem.BasePermissions & (taskItem.NextPermissions | (uint)PermissionMask.Move);
                 if (taskItem.InvType == (int)InventoryType.Object)
-                {
-                    // Bake the new base permissions from folded permissions
-                    // The folded perms are in the lowest 3 bits of the current perms
-                    // We use base permissions here to avoid baking the "Locked" status
-                    // into the item as it is passed.
-                    uint perms = taskItem.BasePermissions & taskItem.NextPermissions;
-                    PermissionsUtil.ApplyFoldedPermissions(taskItem.CurrentPermissions, ref perms);
-                    // Avoid the "lock trap" - move must always be enabled but the above may remove it
-                    // Add it back here.
-                    agentItem.BasePermissions = perms | (uint)PermissionMask.Move;
-                    // Newly given items cannot be "locked" on rez. Make sure by
-                    // setting current equal to base.
-                }
+                    agentItem.CurrentPermissions = agentItem.BasePermissions & (((taskItem.CurrentPermissions & 7) << 13) | (taskItem.CurrentPermissions & (uint)PermissionMask.Move));
+                else
+                    agentItem.CurrentPermissions = agentItem.BasePermissions & taskItem.CurrentPermissions;
 
                 agentItem.CurrentPermissions = agentItem.BasePermissions;
 
                 agentItem.Flags |= (uint)InventoryItemFlags.ObjectSlamPerm;
+                agentItem.Flags &= ~(uint)(InventoryItemFlags.ObjectOverwriteBase | InventoryItemFlags.ObjectOverwriteOwner | InventoryItemFlags.ObjectOverwriteGroup | InventoryItemFlags.ObjectOverwriteEveryone | InventoryItemFlags.ObjectOverwriteNextOwner);
                 agentItem.NextPermissions = taskItem.NextPermissions;
                 agentItem.EveryOnePermissions = taskItem.EveryonePermissions & (taskItem.NextPermissions | (uint)PermissionMask.Move);
-                agentItem.GroupPermissions = taskItem.GroupPermissions & taskItem.NextPermissions;
+                // Group permissions make no sense here
+                agentItem.GroupPermissions = 0;
             }
             else
             {
@@ -1267,7 +1267,7 @@ namespace OpenSim.Region.Framework.Scenes
                 agentItem.CurrentPermissions = taskItem.CurrentPermissions;
                 agentItem.NextPermissions = taskItem.NextPermissions;
                 agentItem.EveryOnePermissions = taskItem.EveryonePermissions;
-                agentItem.GroupPermissions = taskItem.GroupPermissions;
+                agentItem.GroupPermissions = 0;
             }
 
             message = null;
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index b97cceb..99be06b 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -5242,6 +5242,7 @@ SendFullUpdateToClient(remoteClient, Position) ignores position parameter
             BaseMask &= NextOwnerMask | (uint)PermissionMask.Export;
             OwnerMask &= NextOwnerMask;
             EveryoneMask &= NextOwnerMask | (uint)PermissionMask.Export;
+            GroupMask = 0; // Giving an object zaps group permissions
 
             Inventory.ApplyNextOwnerPermissions();
         }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index a50f162..45c3ebd 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -1358,12 +1358,19 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (item.InvType == (int)InventoryType.Object && (item.CurrentPermissions & 7) != 0)
                 {
-                    if ((item.CurrentPermissions & ((uint)PermissionMask.Copy >> 13)) == 0)
-                        item.CurrentPermissions &= ~(uint)PermissionMask.Copy;
-                    if ((item.CurrentPermissions & ((uint)PermissionMask.Transfer >> 13)) == 0)
-                        item.CurrentPermissions &= ~(uint)PermissionMask.Transfer;
-                    if ((item.CurrentPermissions & ((uint)PermissionMask.Modify >> 13)) == 0)
-                        item.CurrentPermissions &= ~(uint)PermissionMask.Modify;
+//                    m_log.DebugFormat (
+//                        "[SCENE OBJECT PART INVENTORY]: Applying next permissions {0} to {1} in {2} with current {3}, base {4}, everyone {5}",
+//                        item.NextPermissions, item.Name, m_part.Name, item.CurrentPermissions, item.BasePermissions, item.EveryonePermissions);
+
+                    if (item.InvType == (int)InventoryType.Object && (item.CurrentPermissions & 7) != 0)
+                    {
+                        if ((item.CurrentPermissions & ((uint)PermissionMask.Copy >> 13)) == 0)
+                            item.CurrentPermissions &= ~(uint)PermissionMask.Copy;
+                        if ((item.CurrentPermissions & ((uint)PermissionMask.Transfer >> 13)) == 0)
+                            item.CurrentPermissions &= ~(uint)PermissionMask.Transfer;
+                        if ((item.CurrentPermissions & ((uint)PermissionMask.Modify >> 13)) == 0)
+                            item.CurrentPermissions &= ~(uint)PermissionMask.Modify;
+                    }
                 }
                 item.CurrentPermissions &= item.NextPermissions;
                 item.BasePermissions &= item.NextPermissions;