diff options
| -rw-r--r-- | src/Protocol/Protocol17x.cpp | 64 | ||||
| -rw-r--r-- | src/Protocol/Protocol17x.h | 6 |
2 files changed, 40 insertions, 30 deletions
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp index 68992155e..162194bc6 100644 --- a/src/Protocol/Protocol17x.cpp +++ b/src/Protocol/Protocol17x.cpp @@ -1037,11 +1037,18 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size) return; } - HandlePacket(bb, PacketType); + if (!HandlePacket(bb, PacketType)) + { + // Unknown packet, already been reported, just bail out + return; + } if (bb.GetReadableSpace() != 1) { // Read more or less than packet length, report as error + LOGWARNING("Protocol 1.7: Wrong number of bytes read for packet 0x%x. Read %u bytes, packet contained %u bytes", + PacketType, bb.GetUsedSpace() - bb.GetReadableSpace(), PacketLen + ); ASSERT(!"Read wrong number of bytes!"); m_Client->PacketError(PacketType); } @@ -1051,7 +1058,7 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size) -void cProtocol172::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType) +bool cProtocol172::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType) { switch (m_State) { @@ -1060,8 +1067,8 @@ void cProtocol172::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType) // Status switch (a_PacketType) { - case 0x00: HandlePacketStatusRequest(a_ByteBuffer); return; - case 0x01: HandlePacketStatusPing (a_ByteBuffer); return; + case 0x00: HandlePacketStatusRequest(a_ByteBuffer); return true; + case 0x01: HandlePacketStatusPing (a_ByteBuffer); return true; } break; } @@ -1071,8 +1078,8 @@ void cProtocol172::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType) // Login switch (a_PacketType) { - case 0x00: HandlePacketLoginStart (a_ByteBuffer); return; - case 0x01: HandlePacketLoginEncryptionResponse(a_ByteBuffer); return; + case 0x00: HandlePacketLoginStart (a_ByteBuffer); return true; + case 0x01: HandlePacketLoginEncryptionResponse(a_ByteBuffer); return true; } break; } @@ -1082,29 +1089,29 @@ void cProtocol172::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType) // Game switch (a_PacketType) { - case 0x00: HandlePacketKeepAlive (a_ByteBuffer); return; - case 0x01: HandlePacketChatMessage (a_ByteBuffer); return; - case 0x02: HandlePacketUseEntity (a_ByteBuffer); return; - case 0x03: HandlePacketPlayer (a_ByteBuffer); return; - case 0x04: HandlePacketPlayerPos (a_ByteBuffer); return; - case 0x05: HandlePacketPlayerLook (a_ByteBuffer); return; - case 0x06: HandlePacketPlayerPosLook (a_ByteBuffer); return; - case 0x07: HandlePacketBlockDig (a_ByteBuffer); return; - case 0x08: HandlePacketBlockPlace (a_ByteBuffer); return; - case 0x09: HandlePacketSlotSelect (a_ByteBuffer); return; - case 0x0a: HandlePacketAnimation (a_ByteBuffer); return; - case 0x0b: HandlePacketEntityAction (a_ByteBuffer); return; - case 0x0c: HandlePacketSteerVehicle (a_ByteBuffer); return; - case 0x0d: HandlePacketWindowClose (a_ByteBuffer); return; - case 0x0e: HandlePacketWindowClick (a_ByteBuffer); return; + case 0x00: HandlePacketKeepAlive (a_ByteBuffer); return true; + case 0x01: HandlePacketChatMessage (a_ByteBuffer); return true; + case 0x02: HandlePacketUseEntity (a_ByteBuffer); return true; + case 0x03: HandlePacketPlayer (a_ByteBuffer); return true; + case 0x04: HandlePacketPlayerPos (a_ByteBuffer); return true; + case 0x05: HandlePacketPlayerLook (a_ByteBuffer); return true; + case 0x06: HandlePacketPlayerPosLook (a_ByteBuffer); return true; + case 0x07: HandlePacketBlockDig (a_ByteBuffer); return true; + case 0x08: HandlePacketBlockPlace (a_ByteBuffer); return true; + case 0x09: HandlePacketSlotSelect (a_ByteBuffer); return true; + case 0x0a: HandlePacketAnimation (a_ByteBuffer); return true; + case 0x0b: HandlePacketEntityAction (a_ByteBuffer); return true; + case 0x0c: HandlePacketSteerVehicle (a_ByteBuffer); return true; + case 0x0d: HandlePacketWindowClose (a_ByteBuffer); return true; + case 0x0e: HandlePacketWindowClick (a_ByteBuffer); return true; case 0x0f: // Confirm transaction - not used in MCS - case 0x10: HandlePacketCreativeInventoryAction(a_ByteBuffer); return; - case 0x12: HandlePacketUpdateSign (a_ByteBuffer); return; - case 0x13: HandlePacketPlayerAbilities (a_ByteBuffer); return; - case 0x14: HandlePacketTabComplete (a_ByteBuffer); return; - case 0x15: HandlePacketClientSettings (a_ByteBuffer); return; - case 0x16: HandlePacketClientStatus (a_ByteBuffer); return; - case 0x17: HandlePacketPluginMessage (a_ByteBuffer); return; + case 0x10: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true; + case 0x12: HandlePacketUpdateSign (a_ByteBuffer); return true; + case 0x13: HandlePacketPlayerAbilities (a_ByteBuffer); return true; + case 0x14: HandlePacketTabComplete (a_ByteBuffer); return true; + case 0x15: HandlePacketClientSettings (a_ByteBuffer); return true; + case 0x16: HandlePacketClientStatus (a_ByteBuffer); return true; + case 0x17: HandlePacketPluginMessage (a_ByteBuffer); return true; } break; } @@ -1112,6 +1119,7 @@ void cProtocol172::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType) // Unknown packet type, report to the client: m_Client->PacketUnknown(a_PacketType); + return false; } diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h index fd6b1fc0f..07dba834b 100644 --- a/src/Protocol/Protocol17x.h +++ b/src/Protocol/Protocol17x.h @@ -222,8 +222,10 @@ protected: /// Adds the received (unencrypted) data to m_ReceivedData, parses complete packets void AddReceivedData(const char * a_Data, int a_Size); - /// Reads and handles the packet. The packet length and type have already been read. - void HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType); + /** Reads and handles the packet. The packet length and type have already been read. + Returns true if the packet was understood, false if it was an unknown packet + */ + bool HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType); // Packet handlers while in the Status state (m_State == 1): void HandlePacketStatusPing (cByteBuffer & a_ByteBuffer); |