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Core/Items: Fix a trading spoof exploit.

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Closes #4713
This commit is contained in:
Machiavelli
2012-01-17 18:51:04 +01:00
parent 5dd6b8b2dc
commit 6a44399852
2 changed files with 22 additions and 4 deletions
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src/server/game/Entities/Player/Player.cpp
+18 -2
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@@ -296,15 +296,24 @@ Item* TradeData::GetItem(TradeSlots slot) const
return m_items[slot] ? m_player->GetItemByGuid(m_items[slot]) : NULL;
}
bool TradeData::HasItem(uint64 item_guid) const
bool TradeData::HasItem(uint64 itemGuid) const
{
for (uint8 i = 0; i < TRADE_SLOT_COUNT; ++i)
if (m_items[i] == item_guid)
if (m_items[i] == itemGuid)
return true;
return false;
}
TradeSlots const TradeData::GetTradeSlotForItem(uint64 itemGuid)
{
for (uint8 i = 0; i < TRADE_SLOT_COUNT; ++i)
if (m_items[i] == itemGuid)
return TradeSlots(i);
return TRADE_SLOT_INVALID;
}
Item* TradeData::GetSpellCastItem() const
{
return m_spellCastItem ? m_player->GetItemByGuid(m_spellCastItem) : NULL;
@@ -12874,6 +12883,13 @@ void Player::SplitItem(uint16 src, uint16 dst, uint32 count)
EquipItem(dest, pNewItem, true);
AutoUnequipOffhandIfNeed();
}
//! Update item count in trade window, prevent spoofing
//! Since pSrcItem has its count updated (see above), Item::GetCount() will return the new count
//! in the underlying packet builder function
TradeSlots const slot = GetTradeData()->GetTradeSlotForItem(pSrcItem->GetGUID());
if (slot != TRADE_SLOT_INVALID)
GetTradeData()->SetItem(slot, pSrcItem);
}
void Player::SwapItem(uint16 src, uint16 dst)