diff options
Diffstat (limited to 'src/Protocol/ProtocolRecognizer.cpp')
-rw-r--r-- | src/Protocol/ProtocolRecognizer.cpp | 318 |
1 files changed, 108 insertions, 210 deletions
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp index a7fb7bcc2..15bcd03b1 100644 --- a/src/Protocol/ProtocolRecognizer.cpp +++ b/src/Protocol/ProtocolRecognizer.cpp @@ -7,17 +7,14 @@ #include "Globals.h" #include "ProtocolRecognizer.h" -#include "Protocol125.h" -#include "Protocol132.h" -#include "Protocol14x.h" -#include "Protocol15x.h" -#include "Protocol16x.h" #include "Protocol17x.h" +#include "Protocol18x.h" #include "../ClientHandle.h" #include "../Root.h" #include "../Server.h" #include "../World.h" #include "../ChatColor.h" +#include "Bindings/PluginManager.h" @@ -26,7 +23,7 @@ cProtocolRecognizer::cProtocolRecognizer(cClientHandle * a_Client) : super(a_Client), m_Protocol(NULL), - m_Buffer(512) + m_Buffer(8192) // We need a larger buffer to support BungeeCord - it sends one huge packet at the start { } @@ -48,19 +45,9 @@ AString cProtocolRecognizer::GetVersionTextFromInt(int a_ProtocolVersion) { switch (a_ProtocolVersion) { - case PROTO_VERSION_1_2_5: return "1.2.5"; - case PROTO_VERSION_1_3_2: return "1.3.2"; - case PROTO_VERSION_1_4_2: return "1.4.2"; - case PROTO_VERSION_1_4_4: return "1.4.4"; - case PROTO_VERSION_1_4_6: return "1.4.6"; - case PROTO_VERSION_1_5_0: return "1.5"; - case PROTO_VERSION_1_5_2: return "1.5.2"; - case PROTO_VERSION_1_6_1: return "1.6.1"; - case PROTO_VERSION_1_6_2: return "1.6.2"; - case PROTO_VERSION_1_6_3: return "1.6.3"; - case PROTO_VERSION_1_6_4: return "1.6.4"; case PROTO_VERSION_1_7_2: return "1.7.2"; case PROTO_VERSION_1_7_6: return "1.7.6"; + case PROTO_VERSION_1_8_0: return "1.8"; } ASSERT(!"Unknown protocol version"); return Printf("Unknown protocol (%d)", a_ProtocolVersion); @@ -210,8 +197,13 @@ void cProtocolRecognizer::SendDisconnect(const AString & a_Reason) else { // This is used when the client sends a server-ping, respond with the default packet: - WriteByte (0xff); // PACKET_DISCONNECT - WriteString(a_Reason); + static const int Packet = 0xff; // PACKET_DISCONNECT + SendData((const char *)&Packet, 1); // WriteByte() + + AString UTF16 = UTF8ToRawBEUTF16(a_Reason.c_str(), a_Reason.length()); + static const u_short Size = htons((u_short)(UTF16.size() / 2)); + SendData((const char *)&Size, 2); // WriteShort() + SendData(UTF16.data(), UTF16.size()); // WriteString() } } @@ -408,20 +400,20 @@ void cProtocolRecognizer::SendLoginSuccess(void) -void cProtocolRecognizer::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) +void cProtocolRecognizer::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length, unsigned int m_Scale) { ASSERT(m_Protocol != NULL); - m_Protocol->SendMapColumn(a_ID, a_X, a_Y, a_Colors, a_Length); + m_Protocol->SendMapColumn(a_ID, a_X, a_Y, a_Colors, a_Length, m_Scale); } -void cProtocolRecognizer::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decorators) +void cProtocolRecognizer::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decorators, unsigned int m_Scale) { ASSERT(m_Protocol != NULL); - m_Protocol->SendMapDecorators(a_ID, a_Decorators); + m_Protocol->SendMapDecorators(a_ID, a_Decorators, m_Scale); } @@ -438,10 +430,10 @@ void cProtocolRecognizer::SendMapInfo(int a_ID, unsigned int a_Scale) -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_ParticleAmmount) +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) { ASSERT(m_Protocol != NULL); - m_Protocol->SendParticleEffect(a_ParticleName, a_SrcX, a_SrcY, a_SrcZ, a_OffsetX, a_OffsetY, a_OffsetZ, a_ParticleData, a_ParticleAmmount); + m_Protocol->SendParticleEffect(a_ParticleName, a_SrcX, a_SrcY, a_SrcZ, a_OffsetX, a_OffsetY, a_OffsetZ, a_ParticleData, a_ParticleAmount); } @@ -486,10 +478,50 @@ void cProtocolRecognizer::SendEntityAnimation(const cEntity & a_Entity, char a_A -void cProtocolRecognizer::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline) +void cProtocolRecognizer::SendPlayerListAddPlayer(const cPlayer & a_Player) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPlayerListAddPlayer(a_Player); +} + + + + + +void cProtocolRecognizer::SendPlayerListRemovePlayer(const cPlayer & a_Player) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPlayerListRemovePlayer(a_Player); +} + + + + + +void cProtocolRecognizer::SendPlayerListUpdateGameMode(const cPlayer & a_Player) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPlayerListUpdateGameMode(a_Player); +} + + + + + +void cProtocolRecognizer::SendPlayerListUpdatePing(const cPlayer & a_Player) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendPlayerListUpdatePing(a_Player); +} + + + + + +void cProtocolRecognizer::SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName) { ASSERT(m_Protocol != NULL); - m_Protocol->SendPlayerListItem(a_Player, a_IsOnline); + m_Protocol->SendPlayerListUpdateDisplayName(a_Player, a_CustomName); } @@ -716,10 +748,10 @@ void cProtocolRecognizer::SendThunderbolt(int a_BlockX, int a_BlockY, int a_Bloc -void cProtocolRecognizer::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay) +void cProtocolRecognizer::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) { ASSERT(m_Protocol != NULL); - m_Protocol->SendTimeUpdate(a_WorldAge, a_TimeOfDay); + m_Protocol->SendTimeUpdate(a_WorldAge, a_TimeOfDay, a_DoDaylightCycle); } @@ -830,51 +862,8 @@ 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, as well as PROTO_VERSION_LATEST macro - - // The first packet should be a Handshake, 0x02: - unsigned char PacketType; - if (!m_Buffer.ReadByte(PacketType)) - { - return false; - } - switch (PacketType) - { - case 0x02: return TryRecognizeLengthlessProtocol(); // Handshake, continue recognizing - case 0xfe: - { - // This may be either a packet length or the length-less Ping packet - Byte NextByte; - if (!m_Buffer.ReadByte(NextByte)) - { - // Not enough data for either protocol - // This could actually happen with the 1.2 / 1.3 client, but their support is fading out anyway - return false; - } - if (NextByte != 0x01) - { - // This is definitely NOT a length-less Ping packet, handle as lengthed protocol: - break; - } - if (!m_Buffer.ReadByte(NextByte)) - { - // There is no more data. Although this *could* mean TCP fragmentation, it is highly unlikely - // and rather this is a 1.4 client sending a regular Ping packet (without the following Plugin message) - SendLengthlessServerPing(); - return false; - } - if (NextByte == 0xfa) - { - // Definitely a length-less Ping followed by a Plugin message - SendLengthlessServerPing(); - return false; - } - // Definitely a lengthed Initial handshake, handle below: - break; - } - } // switch (PacketType) - // This must be a lengthed protocol, try if it has the entire initial handshake packet: - m_Buffer.ResetRead(); + // Lengthed protocol, try if it has the entire initial handshake packet: UInt32 PacketLen; UInt32 ReadSoFar = (UInt32)m_Buffer.GetReadableSpace(); if (!m_Buffer.ReadVarInt(PacketLen)) @@ -895,61 +884,6 @@ bool cProtocolRecognizer::TryRecognizeProtocol(void) -bool cProtocolRecognizer::TryRecognizeLengthlessProtocol(void) -{ - // The comm started with 0x02, which is a Handshake packet in the length-less protocol family - // 1.3.2 starts with 0x02 0x39 <name-length-short> - // 1.2.5 starts with 0x02 <name-length-short> and name is expected to less than 0x3900 long :) - char ch; - if (!m_Buffer.ReadChar(ch)) - { - return false; - } - switch (ch) - { - case PROTO_VERSION_1_3_2: - { - m_Protocol = new cProtocol132(m_Client); - return true; - } - case PROTO_VERSION_1_4_2: - case PROTO_VERSION_1_4_4: - { - m_Protocol = new cProtocol142(m_Client); - return true; - } - case PROTO_VERSION_1_4_6: - { - m_Protocol = new cProtocol146(m_Client); - return true; - } - case PROTO_VERSION_1_5_0: - case PROTO_VERSION_1_5_2: - { - m_Protocol = new cProtocol150(m_Client); - return true; - } - case PROTO_VERSION_1_6_1: - { - m_Protocol = new cProtocol161(m_Client); - return true; - } - case PROTO_VERSION_1_6_2: - case PROTO_VERSION_1_6_3: - case PROTO_VERSION_1_6_4: - { - m_Protocol = new cProtocol162(m_Client); - return true; - } - } - m_Protocol = new cProtocol125(m_Client); - return true; -} - - - - - bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRemaining) { UInt32 PacketType; @@ -971,6 +905,7 @@ bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRema { return false; } + m_Client->SetProtocolVersion(ProtocolVersion); switch (ProtocolVersion) { case PROTO_VERSION_1_7_2: @@ -978,9 +913,18 @@ bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRema AString ServerAddress; short ServerPort; UInt32 NextState; - m_Buffer.ReadVarUTF8String(ServerAddress); - m_Buffer.ReadBEShort(ServerPort); - m_Buffer.ReadVarInt(NextState); + if (!m_Buffer.ReadVarUTF8String(ServerAddress)) + { + break; + } + if (!m_Buffer.ReadBEShort(ServerPort)) + { + break; + } + if (!m_Buffer.ReadVarInt(NextState)) + { + break; + } m_Buffer.CommitRead(); m_Protocol = new cProtocol172(m_Client, ServerAddress, (UInt16)ServerPort, NextState); return true; @@ -990,13 +934,43 @@ bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRema AString ServerAddress; short ServerPort; UInt32 NextState; - m_Buffer.ReadVarUTF8String(ServerAddress); - m_Buffer.ReadBEShort(ServerPort); - m_Buffer.ReadVarInt(NextState); + if (!m_Buffer.ReadVarUTF8String(ServerAddress)) + { + break; + } + if (!m_Buffer.ReadBEShort(ServerPort)) + { + break; + } + if (!m_Buffer.ReadVarInt(NextState)) + { + break; + } m_Buffer.CommitRead(); m_Protocol = new cProtocol176(m_Client, ServerAddress, (UInt16)ServerPort, NextState); return true; } + case PROTO_VERSION_1_8_0: + { + AString ServerAddress; + short ServerPort; + UInt32 NextState; + if (!m_Buffer.ReadVarUTF8String(ServerAddress)) + { + break; + } + if (!m_Buffer.ReadBEShort(ServerPort)) + { + break; + } + if (!m_Buffer.ReadVarInt(NextState)) + { + break; + } + m_Buffer.CommitRead(); + m_Protocol = new cProtocol180(m_Client, ServerAddress, (UInt16)ServerPort, NextState); + return true; + } } LOGINFO("Client \"%s\" uses an unsupported protocol (lengthed, version %u)", m_Client->GetIPString().c_str(), ProtocolVersion @@ -1008,79 +982,3 @@ bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRema - -void cProtocolRecognizer::SendLengthlessServerPing(void) -{ - AString Reply; - cServer * Server = cRoot::Get()->GetServer(); - switch (cRoot::Get()->GetPrimaryServerVersion()) - { - case PROTO_VERSION_1_2_5: - case PROTO_VERSION_1_3_2: - { - // http://wiki.vg/wiki/index.php?title=Protocol&oldid=3099#Server_List_Ping_.280xFE.29 - Printf(Reply, "%s%s%i%s%i", - Server->GetDescription().c_str(), - cChatColor::Delimiter, - Server->GetNumPlayers(), - cChatColor::Delimiter, - Server->GetMaxPlayers() - ); - break; - } - - case PROTO_VERSION_1_4_2: - case PROTO_VERSION_1_4_4: - case PROTO_VERSION_1_4_6: - case PROTO_VERSION_1_5_0: - case PROTO_VERSION_1_5_2: - case PROTO_VERSION_1_6_1: - case PROTO_VERSION_1_6_2: - case PROTO_VERSION_1_6_3: - case PROTO_VERSION_1_6_4: - { - // The server list ping now has 1 more byte of "magic". Mojang just loves to complicate stuff. - // http://wiki.vg/wiki/index.php?title=Protocol&oldid=3101#Server_List_Ping_.280xFE.29 - // _X 2012_10_31: I know that this needn't eat the byte, since it still may be in transit. - // Who cares? We're disconnecting anyway. - m_Buffer.ResetRead(); - if (m_Buffer.CanReadBytes(2)) - { - Byte val; - m_Buffer.ReadByte(val); // Packet type - Serverlist ping - m_Buffer.ReadByte(val); // 0x01 magic value - ASSERT(val == 0x01); - } - - // http://wiki.vg/wiki/index.php?title=Server_List_Ping&oldid=3100 - AString NumPlayers; - Printf(NumPlayers, "%d", Server->GetNumPlayers()); - AString MaxPlayers; - Printf(MaxPlayers, "%d", Server->GetMaxPlayers()); - - AString ProtocolVersionNum; - Printf(ProtocolVersionNum, "%d", cRoot::Get()->GetPrimaryServerVersion()); - AString ProtocolVersionTxt(GetVersionTextFromInt(cRoot::Get()->GetPrimaryServerVersion())); - - // Cannot use Printf() because of in-string NUL bytes. - Reply = cChatColor::Delimiter; - Reply.append("1"); - Reply.push_back(0); - Reply.append(ProtocolVersionNum); - Reply.push_back(0); - Reply.append(ProtocolVersionTxt); - Reply.push_back(0); - Reply.append(Server->GetDescription()); - Reply.push_back(0); - Reply.append(NumPlayers); - Reply.push_back(0); - Reply.append(MaxPlayers); - break; - } - } // switch (m_PrimaryServerVersion) - m_Client->Kick(Reply); -} - - - - |