Fixed item duplication exploit

Closes issue #3035.

--HG--
branch : trunk

1 files changed, 7 insertions, 0 deletions

diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index 5a8cb7b66fc..7a63a794456 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -12324,6 +12324,13 @@ void Player::SwapItem(uint16 src, uint16 dst)
         return;
     }
 
+    // prevent equipping bag in the same slot from its inside
+    if (IsBagPos(dst) && srcbag == dstslot)
+    {
+        SendEquipError(EQUIP_ERR_ITEMS_CANT_BE_SWAPPED, pSrcItem, pDstItem);
+        return;
+    }
+
     // DST checks
 
     if (pDstItem)