X-Git-Url: http://deadsoftware.ru/gitweb?a=blobdiff_plain;ds=inline;f=src%2Fgame%2Fg_nethandler.pas;h=ccaddfc87b2b29e1d2966f78d080aa30db6f7ed1;hb=6107d1bd653921f093e4d2c81f2905f4e520f6d4;hp=ebd9d1d87552720a3f1206f6d7ad14b4aa56a2b4;hpb=8fdd9fdbead9da51719657ba98fab3ad9c83903b;p=d2df-sdl.git diff --git a/src/game/g_nethandler.pas b/src/game/g_nethandler.pas index ebd9d1d..ccaddfc 100644 --- a/src/game/g_nethandler.pas +++ b/src/game/g_nethandler.pas @@ -34,29 +34,36 @@ implementation uses sysutils, g_console; +// TODO: Unify this with g_Net_Host_HandlePacket() somehow? They're almost the same. procedure g_Net_Client_HandlePacket(P: pENetPacket; Handler: TNetClientMsgHandler); var MNext: Integer; MSize: LongWord; MHandled: Boolean = false; NetMsg: TMsg; + Err: Boolean; begin - if not NetMsg.Init(P^.data, P^.dataLength, True) then - Exit; + if not NetMsg.Init(P^.data, P^.dataLength, True) + then exit; + Err := False; MNext := 0; - while NetMsg.BytesLeft() > 0 do + while (NetMsg.BytesLeft() > 0) and (not Err) do begin - MSize := NetMsg.ReadLongWord(); - MNext := NetMsg.ReadCount + MSize; - MHandled := Handler(NetMsg); // TODO: maybe do something with this bool - NetMsg.Seek(MNext); + try + MSize := NetMsg.ReadLongWord(); + MNext := NetMsg.ReadCount + MSize; + MHandled := Handler(NetMsg); // TODO: maybe do something with this bool + NetMsg.Seek(MNext); + except + Err := True; + end; end; - MHandled := not MHandled; //k8: stfu, fpc! - enet_packet_destroy(P); + //if Err + // then MC_MalformedPacket(S); end; procedure g_Net_Host_HandlePacket(S: pTNetClient; P: pENetPacket; Handler: TNetHostMsgHandler); @@ -65,32 +72,47 @@ var MSize: LongWord; MHandled: Boolean = false; NetMsg: TMsg; + Err: Boolean; begin - if not NetMsg.Init(P^.data, P^.dataLength, True) then - Exit; + if not NetMsg.Init(P^.data, P^.dataLength, True) + then exit; + Err := False; MNext := 0; - while NetMsg.BytesLeft() > 0 do + while (NetMsg.BytesLeft() > 0) and (not Err) do begin - MSize := NetMsg.ReadLongWord(); - MNext := NetMsg.ReadCount + MSize; - MHandled := Handler(S, NetMsg); // TODO: maybe do something with this bool - NetMsg.Seek(MNext); + try + MSize := NetMsg.ReadLongWord(); + MNext := NetMsg.ReadCount + MSize; + MHandled := Handler(S, NetMsg); // TODO: maybe do something with this bool + NetMsg.Seek(MNext); + except + Err := True; + end; end; - MHandled := not MHandled; //k8: stfu, fpc! - enet_packet_destroy(P); + if Err + then MH_MalformedPacket(S); end; function g_Net_ClientMsgHandler(NetMsg: TMsg): Boolean; var MID: Byte; + Err: Boolean; begin Result := True; - MID := NetMsg.ReadByte(); + Err := False; + try + MID := NetMsg.ReadByte(); + except + MID := 0; + Err := True; + end; + + //if Err then begin MC_MalformedPacket(S); Exit; end; case MID of NET_MSG_CHAT: MC_RECV_Chat(NetMsg); @@ -101,6 +123,7 @@ begin NET_MSG_GEVENT: MC_RECV_GameEvent(NetMsg); NET_MSG_FLAG: MC_RECV_FlagEvent(NetMsg); NET_MSG_GSET: MC_RECV_GameSettings(NetMsg); + NET_MSG_FLAGPOS:MC_RECV_FlagPos(NetMsg); NET_MSG_PLR: MC_RECV_PlayerCreate(NetMsg); NET_MSG_PLRPOS: MC_RECV_PlayerPos(NetMsg); @@ -123,6 +146,7 @@ begin NET_MSG_ISPAWN: MC_RECV_ItemSpawn(NetMsg); NET_MSG_IDEL: MC_RECV_ItemDestroy(NetMsg); + NET_MSG_IPOS: MC_RECV_ItemPos(NetMsg); NET_MSG_PSTATE: MC_RECV_PanelState(NetMsg); NET_MSG_PTEX: MC_RECV_PanelTexture(NetMsg); @@ -144,9 +168,18 @@ end; function g_Net_ClientLightMsgHandler(NetMsg: TMsg): Boolean; var MID: Byte; + Err: Boolean; begin Result := True; - MID := NetMsg.ReadByte(); + Err := False; + try + MID := NetMsg.ReadByte(); + except + MID := 0; + Err := True; + end; + + //if Err then begin MC_MalformedPacket(S); Exit; end; case MID of NET_MSG_GEVENT: MC_RECV_GameEvent(NetMsg); @@ -162,9 +195,18 @@ end; function g_Net_HostMsgHandler(S: pTNetClient; NetMsg: TMsg): Boolean; var MID: Byte; + Err: Boolean; begin Result := True; - MID := NetMsg.ReadByte(); + Err := False; + try + MID := NetMsg.ReadByte(); + except + MID := 0; + Err := True; + end; + + if Err then begin MH_MalformedPacket(S); Exit; end; case MID of NET_MSG_INFO: MH_RECV_Info(S, NetMsg);