1247 lines
24 KiB
C++
1247 lines
24 KiB
C++
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// ProtocolRecognizer.cpp
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// Implements the cProtocolRecognizer class representing the meta-protocol that recognizes possibly multiple
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// protocol versions and redirects everything to them
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#include "Globals.h"
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#include "ProtocolRecognizer.h"
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#include "Protocol_1_8.h"
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#include "Protocol_1_9.h"
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#include "Protocol_1_10.h"
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#include "Protocol_1_11.h"
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#include "Protocol_1_12.h"
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#include "Protocol_1_13.h"
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#include "Packetizer.h"
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#include "../ClientHandle.h"
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#include "../Root.h"
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#include "../Server.h"
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#include "../World.h"
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#include "../ChatColor.h"
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#include "../JsonUtils.h"
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#include "../Bindings/PluginManager.h"
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cProtocolRecognizer::cProtocolRecognizer(cClientHandle * a_Client) :
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Super(a_Client),
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m_Buffer(8192), // We need a larger buffer to support BungeeCord - it sends one huge packet at the start
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m_InPingForUnrecognizedVersion(false)
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{
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}
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AString cProtocolRecognizer::GetVersionTextFromInt(int a_ProtocolVersion)
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{
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switch (a_ProtocolVersion)
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{
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case PROTO_VERSION_1_8_0: return "1.8";
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case PROTO_VERSION_1_9_0: return "1.9";
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case PROTO_VERSION_1_9_1: return "1.9.1";
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case PROTO_VERSION_1_9_2: return "1.9.2";
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case PROTO_VERSION_1_9_4: return "1.9.4";
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case PROTO_VERSION_1_10_0: return "1.10";
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case PROTO_VERSION_1_11_0: return "1.11";
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case PROTO_VERSION_1_11_1: return "1.11.1";
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case PROTO_VERSION_1_12: return "1.12";
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case PROTO_VERSION_1_12_1: return "1.12.1";
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case PROTO_VERSION_1_13: return "1.13";
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}
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ASSERT(!"Unknown protocol version");
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return Printf("Unknown protocol (%d)", a_ProtocolVersion);
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}
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void cProtocolRecognizer::DataReceived(const char * a_Data, size_t a_Size)
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{
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if (m_Protocol != nullptr)
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{
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// Protocol was already recognized, send to the handler:
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m_Protocol->DataReceived(a_Data, a_Size);
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return;
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}
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if (!m_Buffer.Write(a_Data, a_Size))
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{
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m_Client->Kick("Unsupported protocol version");
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return;
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}
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if (!m_InPingForUnrecognizedVersion)
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{
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if (TryRecognizeProtocol())
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{
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// The protocol has just been recognized, dump the whole m_Buffer contents into it for parsing:
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AString Dump;
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m_Buffer.ResetRead();
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m_Buffer.ReadAll(Dump);
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m_Protocol->DataReceived(Dump.data(), Dump.size());
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return;
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}
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else
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{
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m_Buffer.ResetRead();
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}
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}
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if (!m_InPingForUnrecognizedVersion)
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{
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return;
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}
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// Handle server list ping packets
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for (;;)
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{
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UInt32 PacketLen;
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UInt32 PacketID;
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if (
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!m_Buffer.ReadVarInt32(PacketLen) ||
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!m_Buffer.CanReadBytes(PacketLen) ||
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!m_Buffer.ReadVarInt32(PacketID)
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)
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{
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// Not enough data
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m_Buffer.ResetRead();
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break;
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}
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if ((PacketID == 0x00) && (PacketLen == 1)) // Request packet
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{
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HandlePacketStatusRequest();
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}
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else if ((PacketID == 0x01) && (PacketLen == 9)) // Ping packet
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{
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HandlePacketStatusPing();
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}
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else
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{
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m_Client->Kick("Server list ping failed, unrecognized packet");
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return;
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}
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}
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}
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void cProtocolRecognizer::SendAttachEntity(const cEntity & a_Entity, const cEntity & a_Vehicle)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendAttachEntity(a_Entity, a_Vehicle);
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}
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void cProtocolRecognizer::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendBlockAction(a_BlockX, a_BlockY, a_BlockZ, a_Byte1, a_Byte2, a_BlockType);
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}
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void cProtocolRecognizer::SendBlockBreakAnim(UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendBlockBreakAnim(a_EntityID, a_BlockX, a_BlockY, a_BlockZ, a_Stage);
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}
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void cProtocolRecognizer::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendBlockChange(a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta);
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}
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void cProtocolRecognizer::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendBlockChanges(a_ChunkX, a_ChunkZ, a_Changes);
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}
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void cProtocolRecognizer::SendCameraSetTo(const cEntity & a_Entity)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendCameraSetTo(a_Entity);
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}
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void cProtocolRecognizer::SendChat(const AString & a_Message, eChatType a_Type)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendChat(a_Message, a_Type);
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}
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void cProtocolRecognizer::SendChat(const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendChat(a_Message, a_Type, a_ShouldUseChatPrefixes);
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}
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void cProtocolRecognizer::SendChatRaw(const AString & a_MessageRaw, eChatType a_Type)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendChatRaw(a_MessageRaw, a_Type);
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}
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void cProtocolRecognizer::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendChunkData(a_ChunkX, a_ChunkZ, a_Serializer);
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}
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void cProtocolRecognizer::SendCollectEntity(const cEntity & a_Collected, const cEntity & a_Collector, unsigned a_Count)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendCollectEntity(a_Collected, a_Collector, a_Count);
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}
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void cProtocolRecognizer::SendDestroyEntity(const cEntity & a_Entity)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendDestroyEntity(a_Entity);
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}
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void cProtocolRecognizer::SendDetachEntity(const cEntity & a_Entity, const cEntity & a_PreviousVehicle)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendDetachEntity(a_Entity, a_PreviousVehicle);
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}
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void cProtocolRecognizer::SendDisconnect(const AString & a_Reason)
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{
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if (m_Protocol != nullptr)
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{
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m_Protocol->SendDisconnect(a_Reason);
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}
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else
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{
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AString Message = Printf("{\"text\":\"%s\"}", EscapeString(a_Reason).c_str());
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cPacketizer Pkt(*this, pktDisconnectDuringLogin);
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Pkt.WriteString(Message);
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}
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}
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void cProtocolRecognizer::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEditSign(a_BlockX, a_BlockY, a_BlockZ);
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}
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void cProtocolRecognizer::SendEntityAnimation(const cEntity & a_Entity, char a_Animation)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEntityAnimation(a_Entity, a_Animation);
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}
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void cProtocolRecognizer::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, int a_Duration)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEntityEffect(a_Entity, a_EffectID, a_Amplifier, a_Duration);
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}
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void cProtocolRecognizer::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEntityEquipment(a_Entity, a_SlotNum, a_Item);
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}
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void cProtocolRecognizer::SendEntityHeadLook(const cEntity & a_Entity)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEntityHeadLook(a_Entity);
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}
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void cProtocolRecognizer::SendEntityLook(const cEntity & a_Entity)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEntityLook(a_Entity);
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}
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void cProtocolRecognizer::SendEntityMetadata(const cEntity & a_Entity)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEntityMetadata(a_Entity);
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}
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void cProtocolRecognizer::SendEntityPosition(const cEntity & a_Entity)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEntityPosition(a_Entity);
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}
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void cProtocolRecognizer::SendEntityProperties(const cEntity & a_Entity)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEntityProperties(a_Entity);
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}
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void cProtocolRecognizer::SendEntityStatus(const cEntity & a_Entity, char a_Status)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEntityStatus(a_Entity, a_Status);
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}
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void cProtocolRecognizer::SendEntityVelocity(const cEntity & a_Entity)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendEntityVelocity(a_Entity);
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}
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void cProtocolRecognizer::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendExplosion(a_BlockX, a_BlockY, a_BlockZ, a_Radius, a_BlocksAffected, a_PlayerMotion);
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}
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void cProtocolRecognizer::SendGameMode(eGameMode a_GameMode)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendGameMode(a_GameMode);
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}
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void cProtocolRecognizer::SendHealth(void)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendHealth();
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}
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void cProtocolRecognizer::SendHeldItemChange(int a_ItemIndex)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendHeldItemChange(a_ItemIndex);
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}
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void cProtocolRecognizer::SendHideTitle(void)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendHideTitle();
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}
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void cProtocolRecognizer::SendWindowProperty(const cWindow & a_Window, short a_Property, short a_Value)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendWindowProperty(a_Window, a_Property, a_Value);
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}
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void cProtocolRecognizer::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendInventorySlot(a_WindowID, a_SlotNum, a_Item);
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}
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void cProtocolRecognizer::SendKeepAlive(UInt32 a_PingID)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendKeepAlive(a_PingID);
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}
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void cProtocolRecognizer::SendLeashEntity(const cEntity & a_Entity, const cEntity & a_EntityLeashedTo)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendLeashEntity(a_Entity, a_EntityLeashedTo);
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}
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void cProtocolRecognizer::SendUnleashEntity(const cEntity & a_Entity)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendUnleashEntity(a_Entity);
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}
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void cProtocolRecognizer::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendLogin(a_Player, a_World);
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}
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void cProtocolRecognizer::SendLoginSuccess(void)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendLoginSuccess();
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}
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void cProtocolRecognizer::SendMapData(const cMap & a_Map, int a_DataStartX, int a_DataStartY)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendMapData(a_Map, a_DataStartX, a_DataStartY);
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}
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void cProtocolRecognizer::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)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendParticleEffect(a_ParticleName, a_SrcX, a_SrcY, a_SrcZ, a_OffsetX, a_OffsetY, a_OffsetZ, a_ParticleData, a_ParticleAmount);
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}
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void cProtocolRecognizer::SendParticleEffect(const AString & a_ParticleName, Vector3f a_Src, Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendParticleEffect(a_ParticleName, a_Src, a_Offset, a_ParticleData, a_ParticleAmount, a_Data);
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}
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void cProtocolRecognizer::SendPaintingSpawn(const cPainting & a_Painting)
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{
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m_Protocol->SendPaintingSpawn(a_Painting);
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}
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void cProtocolRecognizer::SendPlayerAbilities(void)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendPlayerAbilities();
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}
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void cProtocolRecognizer::SendPlayerListAddPlayer(const cPlayer & a_Player)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendPlayerListAddPlayer(a_Player);
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}
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void cProtocolRecognizer::SendPlayerListRemovePlayer(const cPlayer & a_Player)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendPlayerListRemovePlayer(a_Player);
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}
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void cProtocolRecognizer::SendPlayerListUpdateGameMode(const cPlayer & a_Player)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendPlayerListUpdateGameMode(a_Player);
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}
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void cProtocolRecognizer::SendPlayerListUpdatePing(const cPlayer & a_Player)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendPlayerListUpdatePing(a_Player);
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}
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void cProtocolRecognizer::SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendPlayerListUpdateDisplayName(a_Player, a_CustomName);
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}
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void cProtocolRecognizer::SendPlayerMaxSpeed(void)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendPlayerMaxSpeed();
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}
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void cProtocolRecognizer::SendPlayerMoveLook(void)
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{
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ASSERT(m_Protocol != nullptr);
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m_Protocol->SendPlayerMoveLook();
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}
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void cProtocolRecognizer::SendPlayerPosition(void)
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{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendPlayerPosition();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendPlayerSpawn(const cPlayer & a_Player)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendPlayerSpawn(a_Player);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendPluginMessage(const AString & a_Channel, const AString & a_Message)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendPluginMessage(a_Channel, a_Message);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendRemoveEntityEffect(a_Entity, a_EffectID);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendResetTitle(void)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendResetTitle();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendResourcePack(const AString & a_ResourcePackUrl)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendResourcePack(a_ResourcePackUrl);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendRespawn(eDimension a_Dimension)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendRespawn(a_Dimension);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendExperience(void)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendExperience();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendExperienceOrb(const cExpOrb & a_ExpOrb)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendExperienceOrb(a_ExpOrb);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendScoreboardObjective(a_Name, a_DisplayName, a_Mode);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendScoreUpdate(const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendScoreUpdate(a_Objective, a_Player, a_Score, a_Mode);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendDisplayObjective(a_Objective, a_Display);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendSetSubTitle(const cCompositeChat & a_SubTitle)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendSetSubTitle(a_SubTitle);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendSetRawSubTitle(const AString & a_SubTitle)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendSetRawSubTitle(a_SubTitle);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendSetTitle(const cCompositeChat & a_Title)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendSetTitle(a_Title);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendSetRawTitle(const AString & a_Title)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendSetRawTitle(a_Title);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendSoundEffect(const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendSoundEffect(a_SoundName, a_X, a_Y, a_Z, a_Volume, a_Pitch);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendSoundParticleEffect(const EffectID a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendSoundParticleEffect(a_EffectID, a_SrcX, a_SrcY, a_SrcZ, a_Data);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendSpawnEntity(const cEntity & a_Entity)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendSpawnEntity(a_Entity);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendSpawnMob(const cMonster & a_Mob)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendSpawnMob(a_Mob);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendStatistics(const cStatManager & a_Manager)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendStatistics(a_Manager);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendTabCompletionResults(const AStringVector & a_Results)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendTabCompletionResults(a_Results);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendThunderbolt(a_BlockX, a_BlockY, a_BlockZ);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendTitleTimes(a_FadeInTicks, a_DisplayTicks, a_FadeOutTicks);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendTimeUpdate(a_WorldAge, a_TimeOfDay, a_DoDaylightCycle);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendUnloadChunk(a_ChunkX, a_ChunkZ);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendUpdateBlockEntity(a_BlockEntity);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::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)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendUpdateSign(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendUseBed(a_Entity, a_BlockX, a_BlockY, a_BlockZ);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendWeather(eWeather a_Weather)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendWeather(a_Weather);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendWholeInventory(const cWindow & a_Window)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendWholeInventory(a_Window);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendWindowClose(const cWindow & a_Window)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendWindowClose(a_Window);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendWindowOpen(const cWindow & a_Window)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
m_Protocol->SendWindowOpen(a_Window);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
AString cProtocolRecognizer::GetAuthServerID(void)
|
|
{
|
|
ASSERT(m_Protocol != nullptr);
|
|
return m_Protocol->GetAuthServerID();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendData(const char * a_Data, size_t a_Size)
|
|
{
|
|
// This is used only when handling the server ping
|
|
m_Client->SendData(a_Data, a_Size);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cProtocolRecognizer::TryRecognizeProtocol(void)
|
|
{
|
|
// NOTE: If a new protocol is added or an old one is removed, adjust MCS_CLIENT_VERSIONS and MCS_PROTOCOL_VERSIONS macros in the header file
|
|
|
|
// Lengthed protocol, try if it has the entire initial handshake packet:
|
|
UInt32 PacketLen;
|
|
UInt32 ReadSoFar = static_cast<UInt32>(m_Buffer.GetReadableSpace());
|
|
if (!m_Buffer.ReadVarInt(PacketLen))
|
|
{
|
|
// Not enough bytes for the packet length, keep waiting
|
|
return false;
|
|
}
|
|
ReadSoFar -= static_cast<UInt32>(m_Buffer.GetReadableSpace());
|
|
if (!m_Buffer.CanReadBytes(PacketLen))
|
|
{
|
|
// Not enough bytes for the packet, keep waiting
|
|
return false;
|
|
}
|
|
if (!TryRecognizeLengthedProtocol(PacketLen - ReadSoFar))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// The protocol has been recognized, initialize it:
|
|
ASSERT(m_Protocol != nullptr);
|
|
try
|
|
{
|
|
m_Protocol->Initialize(*m_Client);
|
|
}
|
|
catch (const std::exception & exc)
|
|
{
|
|
m_Client->Kick(exc.what());
|
|
m_Protocol.reset();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRemaining)
|
|
{
|
|
UInt32 PacketType;
|
|
if (!m_Buffer.ReadVarInt(PacketType))
|
|
{
|
|
return false;
|
|
}
|
|
if (PacketType != 0x00)
|
|
{
|
|
// Not an initial handshake packet, we don't know how to talk to them
|
|
LOGINFO("Client \"%s\" uses an unsupported protocol (lengthed, initial packet %u)",
|
|
m_Client->GetIPString().c_str(), PacketType
|
|
);
|
|
m_Client->Kick("Unsupported protocol version");
|
|
return false;
|
|
}
|
|
UInt32 ProtocolVersion;
|
|
if (!m_Buffer.ReadVarInt(ProtocolVersion))
|
|
{
|
|
return false;
|
|
}
|
|
m_Client->SetProtocolVersion(ProtocolVersion);
|
|
AString ServerAddress;
|
|
UInt16 ServerPort;
|
|
UInt32 NextState;
|
|
if (!m_Buffer.ReadVarUTF8String(ServerAddress))
|
|
{
|
|
return false;
|
|
}
|
|
if (!m_Buffer.ReadBEUInt16(ServerPort))
|
|
{
|
|
return false;
|
|
}
|
|
if (!m_Buffer.ReadVarInt(NextState))
|
|
{
|
|
return false;
|
|
}
|
|
m_Buffer.CommitRead();
|
|
switch (ProtocolVersion)
|
|
{
|
|
case PROTO_VERSION_1_8_0:
|
|
{
|
|
m_Buffer.CommitRead();
|
|
m_Protocol.reset(new cProtocol_1_8_0(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_9_0:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_9_0(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_9_1:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_9_1(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_9_2:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_9_2(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_9_4:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_9_4(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_10_0:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_10_0(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_11_0:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_11_0(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_11_1:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_11_1(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_12:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_12(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_12_1:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_12_1(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_12_2:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_12_2(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
case PROTO_VERSION_1_13:
|
|
{
|
|
m_Protocol.reset(new cProtocol_1_13(m_Client, ServerAddress, ServerPort, NextState));
|
|
return true;
|
|
}
|
|
default:
|
|
{
|
|
LOGD("Client \"%s\" uses an unsupported protocol (lengthed, version %u (0x%x))",
|
|
m_Client->GetIPString().c_str(), ProtocolVersion, ProtocolVersion
|
|
);
|
|
if (NextState != 1)
|
|
{
|
|
m_Client->Kick(Printf("Unsupported protocol version %u, please use one of these versions:\n" MCS_CLIENT_VERSIONS, ProtocolVersion));
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
m_InPingForUnrecognizedVersion = true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::SendPacket(cPacketizer & a_Pkt)
|
|
{
|
|
// Writes out the packet normally.
|
|
UInt32 PacketLen = static_cast<UInt32>(m_OutPacketBuffer.GetUsedSpace());
|
|
AString PacketData, CompressedPacket;
|
|
m_OutPacketBuffer.ReadAll(PacketData);
|
|
m_OutPacketBuffer.CommitRead();
|
|
|
|
// Compression doesn't apply to this state, send raw data:
|
|
m_OutPacketLenBuffer.WriteVarInt32(PacketLen);
|
|
AString LengthData;
|
|
m_OutPacketLenBuffer.ReadAll(LengthData);
|
|
SendData(LengthData.data(), LengthData.size());
|
|
|
|
// Send the packet's payload
|
|
m_OutPacketLenBuffer.CommitRead();
|
|
SendData(PacketData.data(), PacketData.size());
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
UInt32 cProtocolRecognizer::GetPacketID(ePacketType a_PacketType)
|
|
{
|
|
switch (a_PacketType)
|
|
{
|
|
case pktDisconnectDuringLogin: return 0x00;
|
|
case pktStatusResponse: return 0x00;
|
|
case pktPingResponse: return 0x01;
|
|
default:
|
|
{
|
|
ASSERT(!"cProtocolRecognizer::GetPacketID() called for an unhandled packet");
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::HandlePacketStatusRequest(void)
|
|
{
|
|
cServer * Server = cRoot::Get()->GetServer();
|
|
AString ServerDescription = Server->GetDescription();
|
|
auto NumPlayers = static_cast<signed>(Server->GetNumPlayers());
|
|
auto MaxPlayers = static_cast<signed>(Server->GetMaxPlayers());
|
|
AString Favicon = Server->GetFaviconData();
|
|
cRoot::Get()->GetPluginManager()->CallHookServerPing(*m_Client, ServerDescription, NumPlayers, MaxPlayers, Favicon);
|
|
|
|
// Version:
|
|
Json::Value Version;
|
|
Version["name"] = "Cuberite " MCS_CLIENT_VERSIONS;
|
|
Version["protocol"] = MCS_LATEST_PROTOCOL_VERSION;
|
|
|
|
// Players:
|
|
Json::Value Players;
|
|
Players["online"] = NumPlayers;
|
|
Players["max"] = MaxPlayers;
|
|
// TODO: Add "sample"
|
|
|
|
// Description:
|
|
Json::Value Description;
|
|
Description["text"] = ServerDescription.c_str();
|
|
|
|
// Create the response:
|
|
Json::Value ResponseValue;
|
|
ResponseValue["version"] = Version;
|
|
ResponseValue["players"] = Players;
|
|
ResponseValue["description"] = Description;
|
|
if (!Favicon.empty())
|
|
{
|
|
ResponseValue["favicon"] = Printf("data:image/png;base64,%s", Favicon.c_str());
|
|
}
|
|
|
|
AString Response = JsonUtils::WriteFastString(ResponseValue);
|
|
|
|
cPacketizer Pkt(*this, pktStatusResponse);
|
|
Pkt.WriteString(Response);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cProtocolRecognizer::HandlePacketStatusPing()
|
|
{
|
|
Int64 Timestamp;
|
|
if (!m_Buffer.ReadBEInt64(Timestamp))
|
|
{
|
|
return;
|
|
}
|
|
|
|
cPacketizer Pkt(*this, pktPingResponse);
|
|
Pkt.WriteBEInt64(Timestamp);
|
|
}
|