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| -rw-r--r-- | src/Protocol/Protocol18x.h | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/src/Protocol/Protocol18x.h b/src/Protocol/Protocol18x.h new file mode 100644 index 000000000..eb0253663 --- /dev/null +++ b/src/Protocol/Protocol18x.h @@ -0,0 +1,335 @@ + +// Protocol18x.h + +/* +Declares the 1.8.x protocol classes: + - cProtocol180 + - release 1.8.0 protocol (#47) +(others may be added later in the future for the 1.8 release series) +*/ + + + + + +#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 cProtocol180 : + public cProtocol +{ + typedef cProtocol super; + +public: + + cProtocol180(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 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 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 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 SendPickupSpawn (const cPickup & a_Pickup) override; + virtual void SendPlayerAbilities (void) override; + virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) 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 SendPlayerListAddPlayer (const cPlayer & a_Player) override; + virtual void SendPlayerListRemovePlayer (const cPlayer & a_Player) override; + virtual void SendPlayerListUpdateGameMode (const cPlayer & a_Player) override; + virtual void SendPlayerListUpdatePing (const cPlayer & a_Player) override; + virtual void SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_OldListName) 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 SendSoundEffect (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override; + virtual void SendExperience (void) override; + virtual void SendExperienceOrb (const cExpOrb & a_ExpOrb) override; + virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override; + virtual void SendScoreUpdate (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override; + virtual void SendDisplayObjective (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) 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; } + + /** Compress the packet. a_Packet must be without packet length. + a_Compressed will be set to the compressed packet includes packet length and data length. + If compression fails, the function returns false. */ + static bool CompressPacket(const AString & a_Packet, AString & a_Compressed); + + /** The 1.8 protocol use a particle id instead of a string. This function converts the name to the id. If the name is incorrect, it returns 0. */ + static int GetParticleID(const AString & a_ParticleName); + + /** Minecraft 1.8 use other locations to spawn the item frame. This function converts the 1.7 positions to 1.8 positions. */ + static void FixItemFramePositions(int a_ObjectData, double & a_PosX, double & a_PosZ, double & a_Yaw); + +protected: + + /** Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed */ + class cPacketizer + { + public: + cPacketizer(cProtocol180 & 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 WritePosition(int a_BlockX, int a_BlockY, int a_BlockZ) + { + m_Out.WritePosition(a_BlockX, a_BlockY, a_BlockZ); + } + + void WriteUUID(const AString & a_UUID); + + 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: + cProtocol180 & 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); + 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, size_t a_RemainingBytes = 0); + + /** 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); + +} ; + + + |