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Fixed server crash on invalid gamemode in SetPlayerGameTypePacket

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this really ought to be detected at the decode layer, but right now that's a bit difficult ...
This commit is contained in:
Dylan K. Taylor 2021-03-28 21:11:07 +01:00
parent 7fe6815f7c
commit 25998720ce
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GPG Key ID: 8927471A91CAFD3D
2 changed files with 4 additions and 4 deletions
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4
src/network/mcpe/convert/TypeConverter.php
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@ -91,7 +91,7 @@ class TypeConverter{
}
}
public function protocolGameModeToCore(int $gameMode) : GameMode{
public function protocolGameModeToCore(int $gameMode) : ?GameMode{
switch($gameMode){
case ProtocolGameMode::SURVIVAL:
return GameMode::SURVIVAL();
@ -103,7 +103,7 @@ class TypeConverter{
case ProtocolGameMode::SURVIVAL_VIEWER:
return GameMode::SPECTATOR();
default:
throw new \UnexpectedValueException("Unmapped protocol game mode $gameMode");
return null;
}
}

4
src/network/mcpe/handler/InGamePacketHandler.php
View File

@ -667,8 +667,8 @@ class InGamePacketHandler extends PacketHandler{
}
public function handleSetPlayerGameType(SetPlayerGameTypePacket $packet) : bool{
$converter = TypeConverter::getInstance();
if(!$converter->protocolGameModeToCore($packet->gamemode)->equals($this->player->getGamemode())){
$gameMode = TypeConverter::getInstance()->protocolGameModeToCore($packet->gamemode);
if($gameMode === null || !$gameMode->equals($this->player->getGamemode())){
//Set this back to default. TODO: handle this properly
$this->session->syncGameMode($this->player->getGamemode(), true);
}