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[9455] Check glyph index send by client at glyph adding to prevent cheating.

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This commit is contained in:
VladimirMangos 2010-02-26 01:26:30 +03:00
parent 73eeac234f
commit 62726741d6
2 changed files with 15 additions and 8 deletions
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21
src/game/SpellHandler.cpp
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@ -47,14 +47,21 @@ void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
recvPacket >> bagIndex >> slot >> cast_count >> spellid >> item_guid >> glyphIndex >> unk_flags;
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if(!pItem)
// reject fake data
if (glyphIndex >= MAX_GLYPH_SLOT_INDEX)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
if(pItem->GetGUID() != item_guid)
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if (!pItem)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
if (pItem->GetGUID() != item_guid)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
@ -63,28 +70,28 @@ void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
sLog.outDetail("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, cast_count: %u, spellid: %u, Item: %u, glyphIndex: %u, unk_flags: %u, data length = %i", bagIndex, slot, cast_count, spellid, pItem->GetEntry(), glyphIndex, unk_flags, (uint32)recvPacket.size());
ItemPrototype const *proto = pItem->GetProto();
if(!proto)
if (!proto)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
// some item classes can be used only in equipped state
if(proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
if (proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
uint8 msg = pUser->CanUseItem(pItem);
if( msg != EQUIP_ERR_OK )
if (msg != EQUIP_ERR_OK)
{
pUser->SendEquipError( msg, pItem, NULL );
return;
}
// only allow conjured consumable, bandage, poisons (all should have the 2^21 item flag set in DB)
if( proto->Class == ITEM_CLASS_CONSUMABLE &&
if (proto->Class == ITEM_CLASS_CONSUMABLE &&
!(proto->Flags & ITEM_FLAGS_USEABLE_IN_ARENA) &&
pUser->InArena())
{