// Protocol17x.h /* Declares the 1.7.x protocol classes: - cProtocol172 - release 1.7.2 protocol (#4) - cProtocol176 - release 1.7.6 protocol (#5) */ #pragma once #include "Protocol.h" #include "../ByteBuffer.h" #ifdef _MSC_VER #pragma warning(push) #pragma warning(disable:4127) #pragma warning(disable:4244) #pragma warning(disable:4231) #pragma warning(disable:4189) #pragma warning(disable:4702) #endif #ifdef _MSC_VER #pragma warning(pop) #endif #include "PolarSSL++/AesCfb128Decryptor.h" #include "PolarSSL++/AesCfb128Encryptor.h" // fwd: namespace Json { class Value; } class cProtocol172 : public cProtocol { typedef cProtocol super; public: cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State); /** Called when client sends some data: */ virtual void DataReceived(const char * a_Data, size_t a_Size) override; /** Sending stuff to clients (alphabetically sorted): */ virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity * a_Vehicle) override; virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) override; virtual void SendBlockBreakAnim (int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) override; virtual void SendBlockChange (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override; virtual void SendBlockChanges (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) override; virtual void SendChat (const AString & a_Message) override; virtual void SendChat (const cCompositeChat & a_Message) override; virtual void SendChunkData (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override; virtual void SendCollectEntity (const cEntity & a_Entity, const cPlayer & a_Player) override; virtual void SendDestroyEntity (const cEntity & a_Entity) override; virtual void SendDisconnect (const AString & a_Reason) override; virtual void SendDisplayObjective (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) override; virtual void SendEditSign (int a_BlockX, int a_BlockY, int a_BlockZ) override; ///< Request the client to open up the sign editor for the sign (1.6+) virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) override; virtual void SendEntityEffect (const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) override; virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override; virtual void SendEntityHeadLook (const cEntity & a_Entity) override; virtual void SendEntityLook (const cEntity & a_Entity) override; virtual void SendEntityMetadata (const cEntity & a_Entity) override; virtual void SendEntityProperties (const cEntity & a_Entity) override; virtual void SendEntityRelMove (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override; virtual void SendEntityRelMoveLook (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override; virtual void SendEntityStatus (const cEntity & a_Entity, char a_Status) override; virtual void SendEntityVelocity (const cEntity & a_Entity) override; virtual void SendExperience (void) override; virtual void SendExperienceOrb (const cExpOrb & a_ExpOrb) override; virtual void SendExplosion (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override; virtual void SendGameMode (eGameMode a_GameMode) override; virtual void SendHealth (void) override; virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override; virtual void SendKeepAlive (int a_PingID) override; virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override; virtual void SendLoginSuccess (void) override; virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length, unsigned int m_Scale) override; virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators, unsigned int m_Scale) override; virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override; virtual void SendPaintingSpawn (const cPainting & a_Painting) override; virtual void SendParticleEffect (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmount) override; virtual void SendPickupSpawn (const cPickup & a_Pickup) override; virtual void SendPlayerAbilities (void) override; virtual void SendPlayerListItem (const cPlayer & a_Player, char a_Action) override; virtual void SendPlayerMaxSpeed (void) override; virtual void SendPlayerMoveLook (void) override; virtual void SendPlayerPosition (void) override; virtual void SendPlayerSpawn (const cPlayer & a_Player) override; virtual void SendPluginMessage (const AString & a_Channel, const AString & a_Message) override; virtual void SendRemoveEntityEffect (const cEntity & a_Entity, int a_EffectID) override; virtual void SendRespawn (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) override; virtual void SendScoreUpdate (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override; virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override; virtual void SendSoundEffect (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override; virtual void SendSoundParticleEffect (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override; virtual void SendSpawnFallingBlock (const cFallingBlock & a_FallingBlock) override; virtual void SendSpawnMob (const cMonster & a_Mob) override; virtual void SendSpawnObject (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) override; virtual void SendSpawnVehicle (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) override; virtual void SendStatistics (const cStatManager & a_Manager) override; virtual void SendTabCompletionResults(const AStringVector & a_Results) override; virtual void SendTeleportEntity (const cEntity & a_Entity) override; virtual void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ) override; virtual void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) override; virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) override; virtual void SendUpdateBlockEntity (cBlockEntity & a_BlockEntity) override; virtual void SendUpdateSign (int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) override; virtual void SendUseBed (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ) override; virtual void SendWeather (eWeather a_Weather) override; virtual void SendWholeInventory (const cWindow & a_Window) override; virtual void SendWindowClose (const cWindow & a_Window) override; virtual void SendWindowOpen (const cWindow & a_Window) override; virtual void SendWindowProperty (const cWindow & a_Window, int a_Property, int a_Value) override; virtual AString GetAuthServerID(void) override { return m_AuthServerID; } protected: /** Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed */ class cPacketizer { public: cPacketizer(cProtocol172 & a_Protocol, UInt32 a_PacketType) : m_Protocol(a_Protocol), m_Out(a_Protocol.m_OutPacketBuffer), m_Lock(a_Protocol.m_CSPacket) { m_Out.WriteVarInt(a_PacketType); } ~cPacketizer(); void WriteBool(bool a_Value) { m_Out.WriteBool(a_Value); } void WriteByte(Byte a_Value) { m_Out.WriteByte(a_Value); } void WriteChar(char a_Value) { m_Out.WriteChar(a_Value); } void WriteShort(short a_Value) { m_Out.WriteBEShort(a_Value); } void WriteInt(int a_Value) { m_Out.WriteBEInt(a_Value); } void WriteInt64(Int64 a_Value) { m_Out.WriteBEInt64(a_Value); } void WriteFloat(float a_Value) { m_Out.WriteBEFloat(a_Value); } void WriteDouble(double a_Value) { m_Out.WriteBEDouble(a_Value); } void WriteVarInt(UInt32 a_Value) { m_Out.WriteVarInt(a_Value); } void WriteString(const AString & a_Value) { m_Out.WriteVarUTF8String(a_Value); } void WriteBuf(const char * a_Data, size_t a_Size) { m_Out.Write(a_Data, a_Size); } void WriteItem(const cItem & a_Item); void WriteByteAngle(double a_Angle); // Writes the specified angle using a single byte void WriteFPInt(double a_Value); // Writes the double value as a 27:5 fixed-point integer void WriteEntityMetadata(const cEntity & a_Entity); // Writes the metadata for the specified entity, not including the terminating 0x7f void WriteMobMetadata(const cMonster & a_Mob); // Writes the mob-specific metadata for the specified mob void WriteEntityProperties(const cEntity & a_Entity); // Writes the entity properties for the specified entity, including the Count field void WriteBlockEntity(const cBlockEntity & a_BlockEntity); protected: cProtocol172 & m_Protocol; cByteBuffer & m_Out; cCSLock m_Lock; } ; AString m_ServerAddress; UInt16 m_ServerPort; AString m_AuthServerID; /** State of the protocol. 1 = status, 2 = login, 3 = game */ UInt32 m_State; /** Buffer for the received data */ cByteBuffer m_ReceivedData; /** Buffer for composing the outgoing packets, through cPacketizer */ cByteBuffer m_OutPacketBuffer; /** Buffer for composing packet length (so that each cPacketizer instance doesn't allocate a new cPacketBuffer) */ cByteBuffer m_OutPacketLenBuffer; bool m_IsEncrypted; cAesCfb128Decryptor m_Decryptor; cAesCfb128Encryptor m_Encryptor; /** The logfile where the comm is logged, when g_ShouldLogComm is true */ cFile m_CommLogFile; /** The dimension that was last sent to a player in a Respawn or Login packet. Used to avoid Respawning into the same dimension, which confuses the client. */ eDimension m_LastSentDimension; /** Adds the received (unencrypted) data to m_ReceivedData, parses complete packets */ void AddReceivedData(const char * a_Data, size_t a_Size); /** 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); virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer); // Packet handlers while in the Login state (m_State == 2): void HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer); void HandlePacketLoginStart(cByteBuffer & a_ByteBuffer); // Packet handlers while in the Game state (m_State == 3): void HandlePacketAnimation (cByteBuffer & a_ByteBuffer); void HandlePacketBlockDig (cByteBuffer & a_ByteBuffer); void HandlePacketBlockPlace (cByteBuffer & a_ByteBuffer); void HandlePacketChatMessage (cByteBuffer & a_ByteBuffer); void HandlePacketClientSettings (cByteBuffer & a_ByteBuffer); void HandlePacketClientStatus (cByteBuffer & a_ByteBuffer); void HandlePacketCreativeInventoryAction(cByteBuffer & a_ByteBuffer); void HandlePacketEntityAction (cByteBuffer & a_ByteBuffer); void HandlePacketKeepAlive (cByteBuffer & a_ByteBuffer); void HandlePacketPlayer (cByteBuffer & a_ByteBuffer); void HandlePacketPlayerAbilities (cByteBuffer & a_ByteBuffer); void HandlePacketPlayerLook (cByteBuffer & a_ByteBuffer); void HandlePacketPlayerPos (cByteBuffer & a_ByteBuffer); void HandlePacketPlayerPosLook (cByteBuffer & a_ByteBuffer); void HandlePacketPluginMessage (cByteBuffer & a_ByteBuffer); void HandlePacketSlotSelect (cByteBuffer & a_ByteBuffer); void HandlePacketSteerVehicle (cByteBuffer & a_ByteBuffer); void HandlePacketTabComplete (cByteBuffer & a_ByteBuffer); void HandlePacketUpdateSign (cByteBuffer & a_ByteBuffer); void HandlePacketUseEntity (cByteBuffer & a_ByteBuffer); void HandlePacketEnchantItem (cByteBuffer & a_ByteBuffer); void HandlePacketWindowClick (cByteBuffer & a_ByteBuffer); void HandlePacketWindowClose (cByteBuffer & a_ByteBuffer); /** Writes an entire packet into the output stream. a_Packet is expected to start with the packet type; data length is prepended here. */ void WritePacket(cByteBuffer & a_Packet); /** Sends the data to the client, encrypting them if needed. */ virtual void SendData(const char * a_Data, size_t a_Size) override; void SendCompass(const cWorld & a_World); /** Reads an item out of the received data, sets a_Item to the values read. Returns false if not enough received data */ virtual bool ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item); /** Parses item metadata as read by ReadItem(), into the item enchantments. */ void ParseItemMetadata(cItem & a_Item, const AString & a_Metadata); void StartEncryption(const Byte * a_Key); /** Adds the chat part's style (represented by the part's stylestring) into the Json object. */ void AddChatPartStyle(Json::Value & a_Value, const AString & a_PartStyle); } ; /** The version 5 lengthed protocol, used by 1.7.6 through 1.7.9. */ class cProtocol176 : public cProtocol172 { typedef cProtocol172 super; public: cProtocol176(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State); // cProtocol172 overrides: virtual void SendPlayerSpawn(const cPlayer & a_Player) override; virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) override; } ;