exploit fix for attributing some armor parts.

L2_GameServer/java/com/l2jserver/gameserver/network/clientpackets/RequestExEnchantItemAttribute.java

@@ -24,6 +24,7 @@ import com.l2jserver.gameserver.network.serverpackets.ExBrExtraUserInfo;
 import com.l2jserver.gameserver.network.serverpackets.InventoryUpdate;
 import com.l2jserver.gameserver.network.serverpackets.SystemMessage;
 import com.l2jserver.gameserver.network.serverpackets.UserInfo;
+import com.l2jserver.gameserver.templates.item.L2ArmorType;
 import com.l2jserver.gameserver.templates.item.L2Item;
 import com.l2jserver.gameserver.templates.item.L2WeaponType;
 import com.l2jserver.gameserver.util.Util;
@@ -98,8 +99,8 @@ public class RequestExEnchantItemAttribute extends L2GameClientPacket
 				item.getItem().getItemGradeSPlus() != L2Item.CRYSTAL_S || item.getItem().getBodyPart() == L2Item.SLOT_BACK ||
 				item.getItem().getBodyPart() == L2Item.SLOT_R_BRACELET || item.getItem().getBodyPart() == L2Item.SLOT_UNDERWEAR ||
 				item.getItem().getBodyPart() == L2Item.SLOT_BELT || item.getItem().getBodyPart() == L2Item.SLOT_NECK ||
-				item.getItem().getBodyPart() == L2Item.SLOT_R_EAR || item.getItem().getBodyPart() == L2Item.SLOT_R_FINGER ||
-				item.getItem().getElementals() != null)
+				(item.getItem().getBodyPart() & L2Item.SLOT_R_EAR) != 0 || (item.getItem().getBodyPart() & L2Item.SLOT_R_FINGER) != 0 ||
+				item.getItem().getElementals() != null || item.getItemType() == L2ArmorType.SHIELD || item.getItemType() == L2ArmorType.SIGIL)
 		{
 			player.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.ELEMENTAL_ENHANCE_REQUIREMENT_NOT_SUFFICIENT));
 			player.setActiveEnchantAttrItem(null);