diff options
Diffstat (limited to 'src/Protocol')
| -rw-r--r-- | src/Protocol/Authenticator.cpp | 314 | ||||
| -rw-r--r-- | src/Protocol/Authenticator.h | 93 | ||||
| -rw-r--r-- | src/Protocol/Protocol.h | 1 | ||||
| -rw-r--r-- | src/Protocol/Protocol125.cpp | 42 | ||||
| -rw-r--r-- | src/Protocol/Protocol125.h | 20 | ||||
| -rw-r--r-- | src/Protocol/Protocol17x.cpp | 241 | ||||
| -rw-r--r-- | src/Protocol/Protocol17x.h | 22 | ||||
| -rw-r--r-- | src/Protocol/ProtocolRecognizer.cpp | 23 | ||||
| -rw-r--r-- | src/Protocol/ProtocolRecognizer.h | 6 |
9 files changed, 719 insertions, 43 deletions
diff --git a/src/Protocol/Authenticator.cpp b/src/Protocol/Authenticator.cpp new file mode 100644 index 000000000..e0fcc0007 --- /dev/null +++ b/src/Protocol/Authenticator.cpp @@ -0,0 +1,314 @@ + +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#include "Authenticator.h" +#include "../OSSupport/BlockingTCPLink.h" +#include "../Root.h" +#include "../Server.h" +#include "../ClientHandle.h" + +#include "inifile/iniFile.h" +#include "json/json.h" + +#include "polarssl/config.h" +#include "polarssl/net.h" +#include "polarssl/ssl.h" +#include "polarssl/entropy.h" +#include "polarssl/ctr_drbg.h" +#include "polarssl/error.h" +#include "polarssl/certs.h" + +#include <sstream> +#include <iomanip> + + + + + +#define DEFAULT_AUTH_SERVER "sessionserver.mojang.com" +#define DEFAULT_AUTH_ADDRESS "/session/minecraft/hasJoined?username=%USERNAME%&serverId=%SERVERID%" + + + + + +cAuthenticator::cAuthenticator(void) : + super("cAuthenticator"), + m_Server(DEFAULT_AUTH_SERVER), + m_Address(DEFAULT_AUTH_ADDRESS), + m_ShouldAuthenticate(true) +{ +} + + + + + +cAuthenticator::~cAuthenticator() +{ + Stop(); +} + + + + + +void cAuthenticator::ReadINI(cIniFile & IniFile) +{ + m_Server = IniFile.GetValueSet("Authentication", "Server", DEFAULT_AUTH_SERVER); + m_Address = IniFile.GetValueSet("Authentication", "Address", DEFAULT_AUTH_ADDRESS); + m_ShouldAuthenticate = IniFile.GetValueSetB("Authentication", "Authenticate", true); +} + + + + + +void cAuthenticator::Authenticate(int a_ClientID, const AString & a_UserName, const AString & a_ServerHash) +{ + if (!m_ShouldAuthenticate) + { + cRoot::Get()->AuthenticateUser(a_ClientID, a_UserName, cClientHandle::GenerateOfflineUUID(a_UserName)); + return; + } + + cCSLock LOCK(m_CS); + m_Queue.push_back(cUser(a_ClientID, a_UserName, a_ServerHash)); + m_QueueNonempty.Set(); +} + + + + + +void cAuthenticator::Start(cIniFile & IniFile) +{ + ReadINI(IniFile); + m_ShouldTerminate = false; + super::Start(); +} + + + + + +void cAuthenticator::Stop(void) +{ + m_ShouldTerminate = true; + m_QueueNonempty.Set(); + Wait(); +} + + + + + +void cAuthenticator::Execute(void) +{ + for (;;) + { + cCSLock Lock(m_CS); + while (!m_ShouldTerminate && (m_Queue.size() == 0)) + { + cCSUnlock Unlock(Lock); + m_QueueNonempty.Wait(); + } + if (m_ShouldTerminate) + { + return; + } + ASSERT(!m_Queue.empty()); + + cAuthenticator::cUser & User = m_Queue.front(); + int ClientID = User.m_ClientID; + AString UserName = User.m_Name; + AString ServerID = User.m_ServerID; + m_Queue.pop_front(); + Lock.Unlock(); + + AString NewUserName = UserName; + AString UUID; + if (AuthWithYggdrasil(NewUserName, ServerID, UUID)) + { + LOGINFO("User %s authenticated with UUID '%s'", NewUserName.c_str(), UUID.c_str()); + cRoot::Get()->AuthenticateUser(ClientID, NewUserName, UUID); + } + else + { + cRoot::Get()->KickUser(ClientID, "Failed to authenticate account!"); + } + } // for (-ever) +} + + + + + +bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID) +{ + LOGD("Trying to auth user %s", a_UserName.c_str()); + + int ret, server_fd = -1; + unsigned char buf[1024]; + const char *pers = "cAuthenticator"; + + entropy_context entropy; + ctr_drbg_context ctr_drbg; + ssl_context ssl; + x509_crt cacert; + + /* Initialize the RNG and the session data */ + memset(&ssl, 0, sizeof(ssl_context)); + x509_crt_init(&cacert); + + entropy_init(&entropy); + if ((ret = ctr_drbg_init(&ctr_drbg, entropy_func, &entropy, (const unsigned char *)pers, strlen(pers))) != 0) + { + LOGWARNING("cAuthenticator: ctr_drbg_init returned %d", ret); + return false; + } + + /* Initialize certificates */ + // TODO: Grab the sessionserver's root CA and any intermediates and hard-code them here, instead of test_ca_list + ret = x509_crt_parse(&cacert, (const unsigned char *)test_ca_list, strlen(test_ca_list)); + + if (ret < 0) + { + LOGWARNING("cAuthenticator: x509_crt_parse returned -0x%x", -ret); + return false; + } + + /* Connect */ + if ((ret = net_connect(&server_fd, m_Server.c_str(), 443)) != 0) + { + LOGWARNING("cAuthenticator: Can't connect to %s: %d", m_Server.c_str(), ret); + return false; + } + + /* Setup */ + if ((ret = ssl_init(&ssl)) != 0) + { + LOGWARNING("cAuthenticator: ssl_init returned %d", ret); + return false; + } + ssl_set_endpoint(&ssl, SSL_IS_CLIENT); + ssl_set_authmode(&ssl, SSL_VERIFY_OPTIONAL); + ssl_set_ca_chain(&ssl, &cacert, NULL, "PolarSSL Server 1"); + ssl_set_rng(&ssl, ctr_drbg_random, &ctr_drbg); + ssl_set_bio(&ssl, net_recv, &server_fd, net_send, &server_fd); + + /* Handshake */ + while ((ret = ssl_handshake(&ssl)) != 0) + { + if ((ret != POLARSSL_ERR_NET_WANT_READ) && (ret != POLARSSL_ERR_NET_WANT_WRITE)) + { + LOGWARNING("cAuthenticator: ssl_handshake returned -0x%x", -ret); + return false; + } + } + + /* Write the GET request */ + AString ActualAddress = m_Address; + ReplaceString(ActualAddress, "%USERNAME%", a_UserName); + ReplaceString(ActualAddress, "%SERVERID%", a_ServerId); + + AString Request; + Request += "GET " + ActualAddress + " HTTP/1.1\r\n"; + Request += "Host: " + m_Server + "\r\n"; + Request += "User-Agent: MCServer\r\n"; + Request += "Connection: close\r\n"; + Request += "\r\n"; + + ret = ssl_write(&ssl, (const unsigned char *)Request.c_str(), Request.size()); + if (ret <= 0) + { + LOGWARNING("cAuthenticator: ssl_write returned %d", ret); + return false; + } + + /* Read the HTTP response */ + std::string Response; + for (;;) + { + memset(buf, 0, sizeof(buf)); + ret = ssl_read(&ssl, buf, sizeof(buf)); + + if ((ret == POLARSSL_ERR_NET_WANT_READ) || (ret == POLARSSL_ERR_NET_WANT_WRITE)) + { + continue; + } + if (ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY) + { + break; + } + if (ret < 0) + { + LOGWARNING("cAuthenticator: ssl_read returned %d", ret); + break; + } + if (ret == 0) + { + LOGWARNING("cAuthenticator: EOF"); + break; + } + + Response.append((const char *)buf, ret); + } + + ssl_close_notify(&ssl); + x509_crt_free(&cacert); + net_close(server_fd); + ssl_free(&ssl); + entropy_free(&entropy); + memset(&ssl, 0, sizeof(ssl)); + + // Check the HTTP status line: + AString prefix("HTTP/1.1 200 OK"); + AString HexDump; + if (Response.compare(0, prefix.size(), prefix)) + { + LOGINFO("User \"%s\" failed to auth, bad http status line received", a_UserName.c_str()); + LOG("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str()); + return false; + } + + // Erase the HTTP headers from the response: + size_t idxHeadersEnd = Response.find("\r\n\r\n"); + if (idxHeadersEnd == AString::npos) + { + LOGINFO("User \"%s\" failed to authenticate, bad http response header received", a_UserName.c_str()); + LOG("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str()); + return false; + } + Response.erase(0, idxHeadersEnd + 4); + + // Parse the Json response: + if (Response.empty()) + { + return false; + } + Json::Value root; + Json::Reader reader; + if (!reader.parse(Response, root, false)) + { + LOGWARNING("cAuthenticator: Cannot parse Received Data to json!"); + return false; + } + a_UserName = root.get("name", "Unknown").asString(); + a_UUID = root.get("id", "").asString(); + + // If the UUID doesn't contain the hashes, insert them at the proper places: + if (a_UUID.size() == 32) + { + a_UUID.insert(8, "-"); + a_UUID.insert(13, "-"); + a_UUID.insert(18, "-"); + a_UUID.insert(23, "-"); + } + return true; +} + + + + + diff --git a/src/Protocol/Authenticator.h b/src/Protocol/Authenticator.h new file mode 100644 index 000000000..211f51394 --- /dev/null +++ b/src/Protocol/Authenticator.h @@ -0,0 +1,93 @@ + +// cAuthenticator.h + +// Interfaces to the cAuthenticator class representing the thread that authenticates users against the official MC server +// Authentication prevents "hackers" from joining with an arbitrary username (possibly impersonating the server admins) +// For more info, see http://wiki.vg/Session#Server_operation +// In MCS, authentication is implemented as a single thread that receives queued auth requests and dispatches them one by one. + + + + + +#pragma once +#ifndef CAUTHENTICATOR_H_INCLUDED +#define CAUTHENTICATOR_H_INCLUDED + +#include "../OSSupport/IsThread.h" + + + + + +// fwd: "cRoot.h" +class cRoot; + + + + + +class cAuthenticator : + public cIsThread +{ + typedef cIsThread super; + +public: + cAuthenticator(void); + ~cAuthenticator(); + + /** (Re-)read server and address from INI: */ + void ReadINI(cIniFile & IniFile); + + /** Queues a request for authenticating a user. If the auth fails, the user will be kicked */ + void Authenticate(int a_ClientID, const AString & a_UserName, const AString & a_ServerHash); + + /** Starts the authenticator thread. The thread may be started and stopped repeatedly */ + void Start(cIniFile & IniFile); + + /** Stops the authenticator thread. The thread may be started and stopped repeatedly */ + void Stop(void); + +private: + + class cUser + { + public: + int m_ClientID; + AString m_Name; + AString m_ServerID; + + cUser(int a_ClientID, const AString & a_Name, const AString & a_ServerID) : + m_ClientID(a_ClientID), + m_Name(a_Name), + m_ServerID(a_ServerID) + { + } + }; + + typedef std::deque<cUser> cUserList; + + cCriticalSection m_CS; + cUserList m_Queue; + cEvent m_QueueNonempty; + + AString m_Server; + AString m_Address; + bool m_ShouldAuthenticate; + + /** cIsThread override: */ + virtual void Execute(void) override; + + /** Returns true if the user authenticated okay, false on error; iLevel is the recursion deptht (bails out if too deep) */ + bool AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID); +}; + + + + + +#endif // CAUTHENTICATOR_H_INCLUDED + + + + diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h index 939170f0e..2fbeef0fa 100644 --- a/src/Protocol/Protocol.h +++ b/src/Protocol/Protocol.h @@ -83,6 +83,7 @@ public: virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) = 0; virtual void SendKeepAlive (int a_PingID) = 0; virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) = 0; + virtual void SendLoginSuccess (void) = 0; virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) = 0; virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators) = 0; virtual void SendMapInfo (int a_ID, unsigned int a_Scale) = 0; diff --git a/src/Protocol/Protocol125.cpp b/src/Protocol/Protocol125.cpp index 7ae359e10..b0ace7a7a 100644 --- a/src/Protocol/Protocol125.cpp +++ b/src/Protocol/Protocol125.cpp @@ -595,6 +595,15 @@ void cProtocol125::SendLogin(const cPlayer & a_Player, const cWorld & a_World) +void cProtocol125::SendLoginSuccess(void) +{ + // Not supported in this protocol version +} + + + + + void cProtocol125::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) { cCSLock Lock(m_CSPacket); @@ -643,6 +652,17 @@ void cProtocol125::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decor +void cProtocol125::SendMapInfo(int a_ID, unsigned int a_Scale) +{ + // This protocol doesn't support such message + UNUSED(a_ID); + UNUSED(a_Scale); +} + + + + + void cProtocol125::SendPickupSpawn(const cPickup & a_Pickup) { cCSLock Lock(m_CSPacket); @@ -685,6 +705,16 @@ void cProtocol125::SendParticleEffect(const AString & a_ParticleName, float a_Sr +void cProtocol125::SendPaintingSpawn(const cPainting & a_Painting) +{ + // Not implemented in this protocol version + UNUSED(a_Painting); +} + + + + + void cProtocol125::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline) { cCSLock Lock(m_CSPacket); @@ -846,6 +876,18 @@ void cProtocol125::SendExperienceOrb(const cExpOrb & a_ExpOrb) +void cProtocol125::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) +{ + // This protocol version doesn't support such message + UNUSED(a_Name); + UNUSED(a_DisplayName); + UNUSED(a_Mode); +} + + + + + void cProtocol125::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) { // Not needed in this protocol version diff --git a/src/Protocol/Protocol125.h b/src/Protocol/Protocol125.h index 08d3ebbe9..16f31bd0e 100644 --- a/src/Protocol/Protocol125.h +++ b/src/Protocol/Protocol125.h @@ -56,19 +56,12 @@ public: 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) override; virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators) override; - virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override - { - // This protocol doesn't support such message - UNUSED(a_ID); - UNUSED(a_Scale); - } + virtual void SendMapInfo (int a_ID, unsigned int a_Scale) 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_ParticleAmmount) override; - virtual void SendPaintingSpawn (const cPainting & a_Painting) override - { - UNUSED(a_Painting); - }; + virtual void SendPaintingSpawn (const cPainting & a_Painting) override; virtual void SendPickupSpawn (const cPickup & a_Pickup) override; virtual void SendPlayerAbilities (void) override {} // This protocol doesn't support such message virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) override; @@ -82,12 +75,7 @@ public: virtual void SendRespawn (void) 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 - { - UNUSED(a_Name); - UNUSED(a_DisplayName); - UNUSED(a_Mode); - } // This protocol doesn't support such message + 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 {} // This protocol doesn't support such message virtual void SendDisplayObjective (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) override {} // This protocol doesn't support such message virtual void SendSoundEffect (const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) override; // a_Src coords are Block * 8 diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp index 135518b67..ec9a9b4c5 100644 --- a/src/Protocol/Protocol17x.cpp +++ b/src/Protocol/Protocol17x.cpp @@ -88,8 +88,9 @@ cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAdd // Create the comm log file, if so requested: if (g_ShouldLogCommIn || g_ShouldLogCommOut) { + static int sCounter = 0; cFile::CreateFolder("CommLogs"); - AString FileName = Printf("CommLogs/%x__%s.log", (unsigned)time(NULL), a_Client->GetIPString().c_str()); + AString FileName = Printf("CommLogs/%x_%d__%s.log", (unsigned)time(NULL), sCounter++, a_Client->GetIPString().c_str()); m_CommLogFile.Open(FileName, cFile::fmWrite); } } @@ -124,6 +125,8 @@ void cProtocol172::DataReceived(const char * a_Data, size_t a_Size) void cProtocol172::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x1b); // Attach Entity packet Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteInt((a_Vehicle != NULL) ? a_Vehicle->GetUniqueID() : 0); @@ -136,6 +139,8 @@ void cProtocol172::SendAttachEntity(const cEntity & a_Entity, const cEntity * a_ void cProtocol172::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x24); // Block Action packet Pkt.WriteInt(a_BlockX); Pkt.WriteShort(a_BlockY); @@ -151,6 +156,8 @@ void cProtocol172::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, cha void cProtocol172::SendBlockBreakAnim(int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x25); // Block Break Animation packet Pkt.WriteVarInt(a_EntityID); Pkt.WriteInt(a_BlockX); @@ -165,6 +172,8 @@ void cProtocol172::SendBlockBreakAnim(int a_EntityID, int a_BlockX, int a_BlockY void cProtocol172::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x23); // Block Change packet Pkt.WriteInt(a_BlockX); Pkt.WriteByte(a_BlockY); @@ -179,6 +188,8 @@ void cProtocol172::SendBlockChange(int a_BlockX, int a_BlockY, int a_BlockZ, BLO void cProtocol172::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x22); // Multi Block Change packet Pkt.WriteInt(a_ChunkX); Pkt.WriteInt(a_ChunkZ); @@ -198,6 +209,8 @@ void cProtocol172::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockV void cProtocol172::SendChat(const AString & a_Message) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x02); // Chat Message packet Pkt.WriteString(Printf("{\"text\":\"%s\"}", EscapeString(a_Message).c_str())); } @@ -208,6 +221,8 @@ void cProtocol172::SendChat(const AString & a_Message) void cProtocol172::SendChat(const cCompositeChat & a_Message) { + ASSERT(m_State == 3); // In game mode? + // Compose the complete Json string to send: Json::Value msg; msg["text"] = ""; // The client crashes without this @@ -280,6 +295,8 @@ void cProtocol172::SendChat(const cCompositeChat & a_Message) void cProtocol172::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) { + ASSERT(m_State == 3); // In game mode? + // Serialize first, before creating the Packetizer (the packetizer locks a CS) // This contains the flags and bitmasks, too const AString & ChunkData = a_Serializer.Serialize(cChunkDataSerializer::RELEASE_1_3_2); @@ -296,6 +313,8 @@ void cProtocol172::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerialize void cProtocol172::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x0d); // Collect Item packet Pkt.WriteInt(a_Pickup.GetUniqueID()); Pkt.WriteInt(a_Player.GetUniqueID()); @@ -307,6 +326,8 @@ void cProtocol172::SendCollectPickup(const cPickup & a_Pickup, const cPlayer & a void cProtocol172::SendDestroyEntity(const cEntity & a_Entity) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x13); // Destroy Entities packet Pkt.WriteByte(1); Pkt.WriteInt(a_Entity.GetUniqueID()); @@ -343,6 +364,8 @@ void cProtocol172::SendDisconnect(const AString & a_Reason) void cProtocol172::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x36); // Sign Editor Open packet Pkt.WriteInt(a_BlockX); Pkt.WriteInt(a_BlockY); @@ -355,6 +378,8 @@ void cProtocol172::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ) void cProtocol172::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x1D); // Entity Effect packet Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteByte(a_EffectID); @@ -368,6 +393,8 @@ void cProtocol172::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, in void cProtocol172::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x04); // Entity Equipment packet Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteShort(a_SlotNum); @@ -380,6 +407,8 @@ void cProtocol172::SendEntityEquipment(const cEntity & a_Entity, short a_SlotNum void cProtocol172::SendEntityHeadLook(const cEntity & a_Entity) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x19); // Entity Head Look packet Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteByteAngle(a_Entity.GetHeadYaw()); @@ -391,6 +420,8 @@ void cProtocol172::SendEntityHeadLook(const cEntity & a_Entity) void cProtocol172::SendEntityLook(const cEntity & a_Entity) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x16); // Entity Look packet Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteByteAngle(a_Entity.GetYaw()); @@ -403,6 +434,8 @@ void cProtocol172::SendEntityLook(const cEntity & a_Entity) void cProtocol172::SendEntityMetadata(const cEntity & a_Entity) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x1c); // Entity Metadata packet Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteEntityMetadata(a_Entity); @@ -415,6 +448,8 @@ void cProtocol172::SendEntityMetadata(const cEntity & a_Entity) void cProtocol172::SendEntityProperties(const cEntity & a_Entity) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x20); // Entity Properties packet Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteEntityProperties(a_Entity); @@ -426,6 +461,8 @@ void cProtocol172::SendEntityProperties(const cEntity & a_Entity) void cProtocol172::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x15); // Entity Relative Move packet Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteByte(a_RelX); @@ -439,6 +476,8 @@ void cProtocol172::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char void cProtocol172::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x17); // Entity Look And Relative Move packet Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteByte(a_RelX); @@ -454,6 +493,8 @@ void cProtocol172::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, void cProtocol172::SendEntityStatus(const cEntity & a_Entity, char a_Status) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x1a); // Entity Status packet Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteChar(a_Status); @@ -465,6 +506,8 @@ void cProtocol172::SendEntityStatus(const cEntity & a_Entity, char a_Status) void cProtocol172::SendEntityVelocity(const cEntity & a_Entity) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x12); // Entity Velocity packet Pkt.WriteInt(a_Entity.GetUniqueID()); // 400 = 8000 / 20 ... Conversion from our speed in m/s to 8000 m/tick @@ -479,6 +522,8 @@ void cProtocol172::SendEntityVelocity(const cEntity & a_Entity) void cProtocol172::SendExplosion(double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x27); // Explosion packet Pkt.WriteFloat((float)a_BlockX); Pkt.WriteFloat((float)a_BlockY); @@ -502,6 +547,8 @@ void cProtocol172::SendExplosion(double a_BlockX, double a_BlockY, double a_Bloc void cProtocol172::SendGameMode(eGameMode a_GameMode) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x2b); // Change Game State packet Pkt.WriteByte(3); // Reason: Change game mode Pkt.WriteFloat((float)a_GameMode); @@ -513,6 +560,8 @@ void cProtocol172::SendGameMode(eGameMode a_GameMode) void cProtocol172::SendHealth(void) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x06); // Update Health packet cPlayer * Player = m_Client->GetPlayer(); Pkt.WriteFloat((float)Player->GetHealth()); @@ -526,6 +575,8 @@ void cProtocol172::SendHealth(void) void cProtocol172::SendInventorySlot(char a_WindowID, short a_SlotNum, const cItem & a_Item) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x2f); // Set Slot packet Pkt.WriteChar(a_WindowID); Pkt.WriteShort(a_SlotNum); @@ -538,6 +589,13 @@ void cProtocol172::SendInventorySlot(char a_WindowID, short a_SlotNum, const cIt void cProtocol172::SendKeepAlive(int a_PingID) { + // Drop the packet if the protocol is not in the Game state yet (caused a client crash): + if (m_State != 3) + { + LOGWARNING("Trying to send a KeepAlive packet to a player who's not yet fully logged in (%d). The protocol class prevented the packet.", m_State); + return; + } + cPacketizer Pkt(*this, 0x00); // Keep Alive packet Pkt.WriteInt(a_PingID); } @@ -575,8 +633,25 @@ void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World) +void cProtocol172::SendLoginSuccess(void) +{ + ASSERT(m_State == 2); // State: login? + + cPacketizer Pkt(*this, 0x02); // Login success packet + Pkt.WriteString(m_Client->GetUUID()); + Pkt.WriteString(m_Client->GetUsername()); + + m_State = 3; // State = Game +} + + + + + void cProtocol172::SendPaintingSpawn(const cPainting & a_Painting) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x10); // Spawn Painting packet Pkt.WriteVarInt(a_Painting.GetUniqueID()); Pkt.WriteString(a_Painting.GetName().c_str()); @@ -592,6 +667,8 @@ void cProtocol172::SendPaintingSpawn(const cPainting & a_Painting) void cProtocol172::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x34); Pkt.WriteVarInt(a_ID); Pkt.WriteShort (3 + a_Length); @@ -612,6 +689,8 @@ void cProtocol172::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colo void cProtocol172::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decorators) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x34); Pkt.WriteVarInt(a_ID); Pkt.WriteShort (1 + (3 * a_Decorators.size())); @@ -632,6 +711,8 @@ void cProtocol172::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decor void cProtocol172::SendMapInfo(int a_ID, unsigned int a_Scale) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x34); Pkt.WriteVarInt(a_ID); Pkt.WriteShort (2); @@ -647,6 +728,8 @@ void cProtocol172::SendMapInfo(int a_ID, unsigned int a_Scale) void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup) { + ASSERT(m_State == 3); // In game mode? + { cPacketizer Pkt(*this, 0x0e); // Spawn Object packet Pkt.WriteVarInt(a_Pickup.GetUniqueID()); @@ -673,6 +756,8 @@ void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup) void cProtocol172::SendPlayerAbilities(void) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x39); // Player Abilities packet Byte Flags = 0; cPlayer * Player = m_Client->GetPlayer(); @@ -700,6 +785,8 @@ void cProtocol172::SendPlayerAbilities(void) void cProtocol172::SendEntityAnimation(const cEntity & a_Entity, char a_Animation) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x0b); // Animation packet Pkt.WriteVarInt(a_Entity.GetUniqueID()); Pkt.WriteChar(a_Animation); @@ -711,6 +798,8 @@ void cProtocol172::SendEntityAnimation(const cEntity & a_Entity, char a_Animatio void cProtocol172::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) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x2A); Pkt.WriteString(a_ParticleName); Pkt.WriteFloat(a_SrcX); @@ -729,6 +818,8 @@ void cProtocol172::SendParticleEffect(const AString & a_ParticleName, float a_Sr void cProtocol172::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x38); // Playerlist Item packet Pkt.WriteString(a_Player.GetName()); Pkt.WriteBool(a_IsOnline); @@ -741,6 +832,8 @@ void cProtocol172::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline) void cProtocol172::SendPlayerMaxSpeed(void) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x20); // Entity Properties cPlayer * Player = m_Client->GetPlayer(); Pkt.WriteInt(Player->GetUniqueID()); @@ -768,6 +861,8 @@ void cProtocol172::SendPlayerMaxSpeed(void) void cProtocol172::SendPlayerMoveLook(void) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x08); // Player Position And Look packet cPlayer * Player = m_Client->GetPlayer(); Pkt.WriteDouble(Player->GetPosX()); @@ -798,10 +893,12 @@ void cProtocol172::SendPlayerPosition(void) void cProtocol172::SendPlayerSpawn(const cPlayer & a_Player) { + ASSERT(m_State == 3); // In game mode? + // Called to spawn another player for the client cPacketizer Pkt(*this, 0x0c); // Spawn Player packet Pkt.WriteVarInt(a_Player.GetUniqueID()); - Pkt.WriteString(Printf("%d", a_Player.GetUniqueID())); // TODO: Proper UUID + Pkt.WriteString(a_Player.GetClientHandle()->GetUUID()); Pkt.WriteString(a_Player.GetName()); Pkt.WriteFPInt(a_Player.GetPosX()); Pkt.WriteFPInt(a_Player.GetPosY()); @@ -821,6 +918,8 @@ void cProtocol172::SendPlayerSpawn(const cPlayer & a_Player) void cProtocol172::SendPluginMessage(const AString & a_Channel, const AString & a_Message) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x3f); Pkt.WriteString(a_Channel); Pkt.WriteShort((short)a_Message.size()); @@ -833,7 +932,9 @@ void cProtocol172::SendPluginMessage(const AString & a_Channel, const AString & void cProtocol172::SendRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID) { - cPacketizer Pkt(*this, 0x1E); + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1e); Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteByte(a_EffectID); } @@ -858,7 +959,9 @@ void cProtocol172::SendRespawn(void) void cProtocol172::SendExperience (void) { - cPacketizer Pkt(*this, 0x1F); //Experience Packet + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x1f); // Experience Packet cPlayer * Player = m_Client->GetPlayer(); Pkt.WriteFloat(Player->GetXpPercentage()); Pkt.WriteShort(Player->GetXpLevel()); @@ -871,6 +974,8 @@ void cProtocol172::SendExperience (void) void cProtocol172::SendExperienceOrb(const cExpOrb & a_ExpOrb) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x11); Pkt.WriteVarInt(a_ExpOrb.GetUniqueID()); Pkt.WriteInt((int) a_ExpOrb.GetPosX()); @@ -885,7 +990,9 @@ void cProtocol172::SendExperienceOrb(const cExpOrb & a_ExpOrb) void cProtocol172::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) { - cPacketizer Pkt(*this, 0x3B); + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3b); Pkt.WriteString(a_Name); Pkt.WriteString(a_DisplayName); Pkt.WriteByte(a_Mode); @@ -897,7 +1004,9 @@ void cProtocol172::SendScoreboardObjective(const AString & a_Name, const AString void cProtocol172::SendScoreUpdate(const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) { - cPacketizer Pkt(*this, 0x3C); + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3c); Pkt.WriteString(a_Player); Pkt.WriteByte(a_Mode); @@ -914,7 +1023,9 @@ void cProtocol172::SendScoreUpdate(const AString & a_Objective, const AString & void cProtocol172::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) { - cPacketizer Pkt(*this, 0x3D); + ASSERT(m_State == 3); // In game mode? + + cPacketizer Pkt(*this, 0x3d); Pkt.WriteByte((int) a_Display); Pkt.WriteString(a_Objective); } @@ -925,6 +1036,8 @@ void cProtocol172::SendDisplayObjective(const AString & a_Objective, cScoreboard void cProtocol172::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) // a_Src coords are Block * 8 { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x29); // Sound Effect packet Pkt.WriteString(a_SoundName); Pkt.WriteInt(a_SrcX); @@ -940,6 +1053,8 @@ void cProtocol172::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int void cProtocol172::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x28); // Effect packet Pkt.WriteInt(a_EffectID); Pkt.WriteInt(a_SrcX); @@ -955,6 +1070,8 @@ void cProtocol172::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_Src void cProtocol172::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x0e); // Spawn Object packet Pkt.WriteVarInt(a_FallingBlock.GetUniqueID()); Pkt.WriteByte(70); // Falling block @@ -975,6 +1092,8 @@ void cProtocol172::SendSpawnFallingBlock(const cFallingBlock & a_FallingBlock) void cProtocol172::SendSpawnMob(const cMonster & a_Mob) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x0f); // Spawn Mob packet Pkt.WriteVarInt(a_Mob.GetUniqueID()); Pkt.WriteByte((Byte)a_Mob.GetMobType()); @@ -997,6 +1116,8 @@ void cProtocol172::SendSpawnMob(const cMonster & a_Mob) void cProtocol172::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0xe); // Spawn Object packet Pkt.WriteVarInt(a_Entity.GetUniqueID()); Pkt.WriteByte(a_ObjectType); @@ -1020,6 +1141,8 @@ void cProtocol172::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType, void cProtocol172::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0xe); // Spawn Object packet Pkt.WriteVarInt(a_Vehicle.GetUniqueID()); Pkt.WriteByte(a_VehicleType); @@ -1043,6 +1166,8 @@ void cProtocol172::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleTyp void cProtocol172::SendTabCompletionResults(const AStringVector & a_Results) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x3a); // Tab-Complete packet Pkt.WriteVarInt(a_Results.size()); @@ -1058,6 +1183,8 @@ void cProtocol172::SendTabCompletionResults(const AStringVector & a_Results) void cProtocol172::SendTeleportEntity(const cEntity & a_Entity) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x18); Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteFPInt(a_Entity.GetPosX()); @@ -1073,6 +1200,8 @@ void cProtocol172::SendTeleportEntity(const cEntity & a_Entity) void cProtocol172::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x2c); // Spawn Global Entity packet Pkt.WriteVarInt(0); // EntityID = 0, always Pkt.WriteByte(1); // Type = Thunderbolt @@ -1087,6 +1216,8 @@ void cProtocol172::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ) void cProtocol172::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x03); Pkt.WriteInt64(a_WorldAge); Pkt.WriteInt64(a_TimeOfDay); @@ -1098,6 +1229,8 @@ void cProtocol172::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay) void cProtocol172::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x21); // Chunk Data packet Pkt.WriteInt(a_ChunkX); Pkt.WriteInt(a_ChunkZ); @@ -1112,6 +1245,8 @@ void cProtocol172::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) void cProtocol172::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x35); // Update tile entity packet Pkt.WriteInt(a_BlockEntity.GetPosX()); Pkt.WriteShort(a_BlockEntity.GetPosY()); @@ -1137,6 +1272,8 @@ void cProtocol172::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity) void cProtocol172::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_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x33); Pkt.WriteInt(a_BlockX); Pkt.WriteShort((short)a_BlockY); @@ -1154,6 +1291,8 @@ void cProtocol172::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, cons void cProtocol172::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x0a); Pkt.WriteInt(a_Entity.GetUniqueID()); Pkt.WriteInt(a_BlockX); @@ -1167,6 +1306,8 @@ void cProtocol172::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_Bloc void cProtocol172::SendWeather(eWeather a_Weather) { + ASSERT(m_State == 3); // In game mode? + { cPacketizer Pkt(*this, 0x2b); // Change Game State packet Pkt.WriteByte((a_Weather == wSunny) ? 1 : 2); // End rain / begin rain @@ -1182,6 +1323,8 @@ void cProtocol172::SendWeather(eWeather a_Weather) void cProtocol172::SendWholeInventory(const cWindow & a_Window) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x30); // Window Items packet Pkt.WriteChar(a_Window.GetWindowID()); Pkt.WriteShort(a_Window.GetNumSlots()); @@ -1199,6 +1342,8 @@ void cProtocol172::SendWholeInventory(const cWindow & a_Window) void cProtocol172::SendWindowClose(const cWindow & a_Window) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x2e); Pkt.WriteChar(a_Window.GetWindowID()); } @@ -1209,6 +1354,8 @@ void cProtocol172::SendWindowClose(const cWindow & a_Window) void cProtocol172::SendWindowOpen(const cWindow & a_Window) { + ASSERT(m_State == 3); // In game mode? + if (a_Window.GetWindowType() < 0) { // Do not send this packet for player inventory windows @@ -1233,6 +1380,8 @@ void cProtocol172::SendWindowOpen(const cWindow & a_Window) void cProtocol172::SendWindowProperty(const cWindow & a_Window, short a_Property, short a_Value) { + ASSERT(m_State == 3); // In game mode? + cPacketizer Pkt(*this, 0x31); // Window Property packet Pkt.WriteChar(a_Window.GetWindowID()); Pkt.WriteShort(a_Property); @@ -1563,15 +1712,6 @@ void cProtocol172::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffe } StartEncryption(DecryptedKey); - - // Send login success: - { - cPacketizer Pkt(*this, 0x02); // Login success packet - Pkt.WriteString(Printf("%d", m_Client->GetUniqueID())); // TODO: proper UUID - Pkt.WriteString(m_Client->GetUsername()); - } - - m_State = 3; // State = Game m_Client->HandleLogin(4, m_Client->GetUsername()); } @@ -1605,14 +1745,6 @@ void cProtocol172::HandlePacketLoginStart(cByteBuffer & a_ByteBuffer) return; } - // Send login success: - { - cPacketizer Pkt(*this, 0x02); // Login success packet - Pkt.WriteString(Printf("%d", m_Client->GetUniqueID())); // TODO: proper UUID - Pkt.WriteString(Username); - } - - m_State = 3; // State = Game m_Client->HandleLogin(4, Username); } @@ -2766,3 +2898,64 @@ void cProtocol172::cPacketizer::WriteEntityProperties(const cEntity & a_Entity) + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cProtocol176: + +cProtocol176::cProtocol176(cClientHandle * a_Client, const AString &a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) : + super(a_Client, a_ServerAddress, a_ServerPort, a_State) +{ +} + + + + + +void cProtocol176::SendPlayerSpawn(const cPlayer & a_Player) +{ + // Called to spawn another player for the client + cPacketizer Pkt(*this, 0x0c); // Spawn Player packet + Pkt.WriteVarInt(a_Player.GetUniqueID()); + Pkt.WriteString(a_Player.GetClientHandle()->GetUUID()); + Pkt.WriteString(a_Player.GetName()); + Pkt.WriteVarInt(0); // We have no data to send here + Pkt.WriteFPInt(a_Player.GetPosX()); + Pkt.WriteFPInt(a_Player.GetPosY()); + Pkt.WriteFPInt(a_Player.GetPosZ()); + Pkt.WriteByteAngle(a_Player.GetYaw()); + Pkt.WriteByteAngle(a_Player.GetPitch()); + short ItemType = a_Player.GetEquippedItem().IsEmpty() ? 0 : a_Player.GetEquippedItem().m_ItemType; + Pkt.WriteShort(ItemType); + Pkt.WriteByte((3 << 5) | 6); // Metadata: float + index 6 + Pkt.WriteFloat((float)a_Player.GetHealth()); + Pkt.WriteByte(0x7f); // Metadata: end +} + + + + + +void cProtocol176::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) +{ + // Send the response: + AString Response = "{\"version\":{\"name\":\"1.7.6\",\"protocol\":5},\"players\":{"; + AppendPrintf(Response, "\"max\":%u,\"online\":%u,\"sample\":[]},", + cRoot::Get()->GetServer()->GetMaxPlayers(), + cRoot::Get()->GetServer()->GetNumPlayers() + ); + AppendPrintf(Response, "\"description\":{\"text\":\"%s\"},", + cRoot::Get()->GetServer()->GetDescription().c_str() + ); + AppendPrintf(Response, "\"favicon\":\"data:image/png;base64,%s\"", + cRoot::Get()->GetServer()->GetFaviconData().c_str() + ); + Response.append("}"); + + cPacketizer Pkt(*this, 0x00); // Response packet + Pkt.WriteString(Response); +} + + + + + diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h index 91186b270..5cafc4722 100644 --- a/src/Protocol/Protocol17x.h +++ b/src/Protocol/Protocol17x.h @@ -87,6 +87,7 @@ public: 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) override; virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators) override; virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override; @@ -252,7 +253,7 @@ protected: // Packet handlers while in the Status state (m_State == 1): void HandlePacketStatusPing (cByteBuffer & a_ByteBuffer); - void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer); + virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer); // Packet handlers while in the Login state (m_State == 2): void HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer); @@ -306,3 +307,22 @@ protected: + +/** 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; + +} ; + + + + diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp index f9a7ba92b..2ccb9f197 100644 --- a/src/Protocol/ProtocolRecognizer.cpp +++ b/src/Protocol/ProtocolRecognizer.cpp @@ -59,6 +59,7 @@ AString cProtocolRecognizer::GetVersionTextFromInt(int a_ProtocolVersion) 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"; } ASSERT(!"Unknown protocol version"); return Printf("Unknown protocol (%d)", a_ProtocolVersion); @@ -396,6 +397,16 @@ void cProtocolRecognizer::SendLogin(const cPlayer & a_Player, const cWorld & a_W +void cProtocolRecognizer::SendLoginSuccess(void) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendLoginSuccess(); +} + + + + + void cProtocolRecognizer::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) { ASSERT(m_Protocol != NULL); @@ -965,6 +976,18 @@ bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRema m_Protocol = new cProtocol172(m_Client, ServerAddress, (UInt16)ServerPort, NextState); return true; } + case PROTO_VERSION_1_7_6: + { + AString ServerAddress; + short ServerPort; + UInt32 NextState; + m_Buffer.ReadVarUTF8String(ServerAddress); + m_Buffer.ReadBEShort(ServerPort); + m_Buffer.ReadVarInt(NextState); + m_Buffer.CommitRead(); + m_Protocol = new cProtocol176(m_Client, ServerAddress, (UInt16)ServerPort, NextState); + return true; + } } LOGINFO("Client \"%s\" uses an unsupported protocol (lengthed, version %u)", m_Client->GetIPString().c_str(), ProtocolVersion diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h index 072d7c2d2..408109ef4 100644 --- a/src/Protocol/ProtocolRecognizer.h +++ b/src/Protocol/ProtocolRecognizer.h @@ -18,8 +18,8 @@ // Adjust these if a new protocol is added or an old one is removed: -#define MCS_CLIENT_VERSIONS "1.2.4, 1.2.5, 1.3.1, 1.3.2, 1.4.2, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.5, 1.5.1, 1.5.2, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.7.2, 1.7.4" -#define MCS_PROTOCOL_VERSIONS "29, 39, 47, 49, 51, 60, 61, 73, 74, 77, 78, 4" +#define MCS_CLIENT_VERSIONS "1.2.4, 1.2.5, 1.3.1, 1.3.2, 1.4.2, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.5, 1.5.1, 1.5.2, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.7.2, 1.7.4, 1.7.5, 1.7.6, 1.7.7, 1.7.8, 1.7.9" +#define MCS_PROTOCOL_VERSIONS "29, 39, 47, 49, 51, 60, 61, 73, 74, 77, 78, 4, 5" @@ -50,6 +50,7 @@ public: // These will be kept "under" the next / latest, because the next and latest are only needed for previous protocols PROTO_VERSION_1_7_2 = 4, + PROTO_VERSION_1_7_6 = 5, } ; cProtocolRecognizer(cClientHandle * a_Client); @@ -90,6 +91,7 @@ public: 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) override; virtual void SendMapDecorators (int a_ID, const cMapDecoratorList & a_Decorators) override; virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override; |