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antihacks: Protect per-player detached inventory actions

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* backported https://github.com/minetest/minetest/pull/10341
  Unfortunately also requires invhack mods to implement workarounds,
  but they seem to already be doing this.
This commit is contained in:
mckaygerhard 2023-09-17 19:40:48 -04:00
parent 4e1b1d0364
commit a7b542c074
1 changed files with 12 additions and 6 deletions
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18
src/network/serverpackethandler.cpp
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@ -935,13 +935,19 @@ void Server::handleCommand_InventoryAction(NetworkPacket* pkt)
setInventoryModified(ma->from_inv, false);
setInventoryModified(ma->to_inv, false);
bool from_inv_is_current_player =
(ma->from_inv.type == InventoryLocation::PLAYER) &&
(ma->from_inv.name == player->getName());
bool from_inv_is_current_player = false;
if (ma->from_inv.type == InventoryLocation::PLAYER) {
if (ma->from_inv.name != player->getName())
return;
from_inv_is_current_player = true;
}
bool to_inv_is_current_player =
(ma->to_inv.type == InventoryLocation::PLAYER) &&
(ma->to_inv.name == player->getName());
bool to_inv_is_current_player = false;
if (ma->to_inv.type == InventoryLocation::PLAYER) {
if (ma->to_inv.name != player->getName())
return;
to_inv_is_current_player = true;
}
InventoryLocation *remote = from_inv_is_current_player ?
&ma->to_inv : &ma->from_inv;