Core: Added some anti-WPE filter checks to prevent putting non-empty bags into other bags/gbank/mail/auction, original patch from mythcore

Core: Changed inventory saving - will no longer abort operation at single item fail

Closes issue #1994.

--HG--
branch : trunk

src/server/game/Server/Protocol/Handlers/AuctionHouseHandler.cpp

@@ -192,6 +192,12 @@ void WorldSession::HandleAuctionSellItem(WorldPacket & recv_data)
         return;
     }
 
+    if (it->IsBag() && !((Bag*)it)->IsEmpty())
+    {
+        SendAuctionCommandResult(0, AUCTION_SELL_ITEM, AUCTION_INTERNAL_ERROR);
+        return;
+    }
+
     AuctionHouseObject* auctionHouse = sAuctionMgr.GetAuctionsMap(pCreature->getFaction());
 
     //we have to take deposit :

src/server/game/Server/Protocol/Handlers/MailHandler.cpp

@@ -219,6 +219,12 @@ void WorldSession::HandleSendMail(WorldPacket & recv_data)
             return;
         }
 
+        if (item->IsBag() && !((Bag*)item)->IsEmpty())
+        {
+            pl->SendMailResult(0, MAIL_SEND, MAIL_ERR_EQUIP_ERROR, EQUIP_ERR_CAN_ONLY_DO_WITH_EMPTY_BAGS);
+            return;
+        }
+
         items[i] = item;
     }