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-rw-r--r--src/Protocol/Protocol17x.cpp678
1 files changed, 614 insertions, 64 deletions
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 05b7ebd45..785dbf935 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -1,4 +1,3 @@
-
// Protocol17x.cpp
/*
@@ -9,6 +8,7 @@ Implements the 1.7.x protocol classes:
*/
#include "Globals.h"
+#include "json/json.h"
#include "Protocol17x.h"
#include "ChunkDataSerializer.h"
#include "../ClientHandle.h"
@@ -21,11 +21,16 @@ Implements the 1.7.x protocol classes:
#include "../Entities/ExpOrb.h"
#include "../Entities/Minecart.h"
#include "../Entities/FallingBlock.h"
+#include "../Entities/Painting.h"
#include "../Entities/Pickup.h"
#include "../Entities/Player.h"
+#include "../Entities/ItemFrame.h"
#include "../Mobs/IncludeAllMonsters.h"
#include "../UI/Window.h"
#include "../BlockEntities/CommandBlockEntity.h"
+#include "../BlockEntities/MobHeadEntity.h"
+#include "../BlockEntities/FlowerPotEntity.h"
+#include "../CompositeChat.h"
@@ -54,6 +59,22 @@ Implements the 1.7.x protocol classes:
+const int MAX_ENC_LEN = 512; // Maximum size of the encrypted message; should be 128, but who knows...
+
+
+
+
+
+// fwd: main.cpp:
+extern bool g_ShouldLogCommIn, g_ShouldLogCommOut;
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cProtocol172:
+
cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
super(a_Client),
m_ServerAddress(a_ServerAddress),
@@ -64,21 +85,28 @@ cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAdd
m_OutPacketLenBuffer(20), // 20 bytes is more than enough for one VarInt
m_IsEncrypted(false)
{
+ // Create the comm log file, if so requested:
+ if (g_ShouldLogCommIn || g_ShouldLogCommOut)
+ {
+ cFile::CreateFolder("CommLogs");
+ AString FileName = Printf("CommLogs/%x__%s.log", (unsigned)time(NULL), a_Client->GetIPString().c_str());
+ m_CommLogFile.Open(FileName, cFile::fmWrite);
+ }
}
-void cProtocol172::DataReceived(const char * a_Data, int a_Size)
+void cProtocol172::DataReceived(const char * a_Data, size_t a_Size)
{
if (m_IsEncrypted)
{
- byte Decrypted[512];
+ Byte Decrypted[512];
while (a_Size > 0)
{
- int NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size;
- m_Decryptor.ProcessData(Decrypted, (byte *)a_Data, NumBytes);
+ size_t NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size;
+ m_Decryptor.ProcessData(Decrypted, (Byte *)a_Data, NumBytes);
AddReceivedData((const char *)Decrypted, NumBytes);
a_Size -= NumBytes;
a_Data += NumBytes;
@@ -124,7 +152,7 @@ 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)
{
cPacketizer Pkt(*this, 0x25); // Block Break Animation packet
- Pkt.WriteInt(a_EntityID);
+ Pkt.WriteVarInt(a_EntityID);
Pkt.WriteInt(a_BlockX);
Pkt.WriteInt(a_BlockY);
Pkt.WriteInt(a_BlockZ);
@@ -178,6 +206,78 @@ void cProtocol172::SendChat(const AString & a_Message)
+void cProtocol172::SendChat(const cCompositeChat & a_Message)
+{
+ // Compose the complete Json string to send:
+ Json::Value msg;
+ msg["text"] = ""; // The client crashes without this
+ const cCompositeChat::cParts & Parts = a_Message.GetParts();
+ for (cCompositeChat::cParts::const_iterator itr = Parts.begin(), end = Parts.end(); itr != end; ++itr)
+ {
+ Json::Value Part;
+ switch ((*itr)->m_PartType)
+ {
+ case cCompositeChat::ptText:
+ {
+ Part["text"] = (*itr)->m_Text;
+ AddChatPartStyle(Part, (*itr)->m_Style);
+ break;
+ }
+
+ case cCompositeChat::ptClientTranslated:
+ {
+ const cCompositeChat::cClientTranslatedPart & p = (const cCompositeChat::cClientTranslatedPart &)**itr;
+ Part["translate"] = p.m_Text;
+ Json::Value With;
+ for (AStringVector::const_iterator itrW = p.m_Parameters.begin(), endW = p.m_Parameters.end(); itrW != endW; ++itr)
+ {
+ With.append(*itrW);
+ }
+ if (!p.m_Parameters.empty())
+ {
+ Part["with"] = With;
+ }
+ AddChatPartStyle(Part, p.m_Style);
+ break;
+ }
+
+ case cCompositeChat::ptUrl:
+ {
+ const cCompositeChat::cUrlPart & p = (const cCompositeChat::cUrlPart &)**itr;
+ Part["text"] = p.m_Text;
+ Json::Value Url;
+ Url["action"] = "open_url";
+ Url["value"] = p.m_Url;
+ Part["clickEvent"] = Url;
+ AddChatPartStyle(Part, p.m_Style);
+ break;
+ }
+
+ case cCompositeChat::ptSuggestCommand:
+ case cCompositeChat::ptRunCommand:
+ {
+ const cCompositeChat::cCommandPart & p = (const cCompositeChat::cCommandPart &)**itr;
+ Part["text"] = p.m_Text;
+ Json::Value Cmd;
+ Cmd["action"] = (p.m_PartType == cCompositeChat::ptRunCommand) ? "run_command" : "suggest_command";
+ Cmd["value"] = p.m_Command;
+ Part["clickEvent"] = Cmd;
+ AddChatPartStyle(Part, p.m_Style);
+ break;
+ }
+ }
+ msg["extra"].append(Part);
+ } // for itr - Parts[]
+
+ // Send the message to the client:
+ cPacketizer Pkt(*this, 0x02);
+ Pkt.WriteString(msg.toStyledString());
+}
+
+
+
+
+
void cProtocol172::SendChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer)
{
// Serialize first, before creating the Packetizer (the packetizer locks a CS)
@@ -454,7 +554,7 @@ void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
Pkt.WriteByte((Byte)a_Player.GetEffectiveGameMode() | (cRoot::Get()->GetServer()->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4
Pkt.WriteChar((char)a_World.GetDimension());
Pkt.WriteByte(2); // TODO: Difficulty (set to Normal)
- Pkt.WriteByte(cRoot::Get()->GetServer()->GetMaxPlayers());
+ Pkt.WriteByte(std::min(cRoot::Get()->GetServer()->GetMaxPlayers(), 60));
Pkt.WriteString("default"); // Level type - wtf?
}
@@ -473,6 +573,75 @@ void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
+void cProtocol172::SendPaintingSpawn(const cPainting & a_Painting)
+{
+ cPacketizer Pkt(*this, 0x10); // Spawn Painting packet
+ Pkt.WriteVarInt(a_Painting.GetUniqueID());
+ Pkt.WriteString(a_Painting.GetName().c_str());
+ Pkt.WriteInt((int)a_Painting.GetPosX());
+ Pkt.WriteInt((int)a_Painting.GetPosY());
+ Pkt.WriteInt((int)a_Painting.GetPosZ());
+ Pkt.WriteInt(a_Painting.GetDirection());
+}
+
+
+
+
+
+void cProtocol172::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length)
+{
+ cPacketizer Pkt(*this, 0x34);
+ Pkt.WriteVarInt(a_ID);
+ Pkt.WriteShort (3 + a_Length);
+
+ Pkt.WriteByte(0);
+ Pkt.WriteByte(a_X);
+ Pkt.WriteByte(a_Y);
+
+ for (unsigned int i = 0; i < a_Length; ++i)
+ {
+ Pkt.WriteByte(a_Colors[i]);
+ }
+}
+
+
+
+
+
+void cProtocol172::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decorators)
+{
+ cPacketizer Pkt(*this, 0x34);
+ Pkt.WriteVarInt(a_ID);
+ Pkt.WriteShort (1 + (3 * a_Decorators.size()));
+
+ Pkt.WriteByte(1);
+
+ for (cMapDecoratorList::const_iterator it = a_Decorators.begin(); it != a_Decorators.end(); ++it)
+ {
+ Pkt.WriteByte((it->GetType() << 4) | (it->GetRot() & 0xf));
+ Pkt.WriteByte(it->GetPixelX());
+ Pkt.WriteByte(it->GetPixelZ());
+ }
+}
+
+
+
+
+
+void cProtocol172::SendMapInfo(int a_ID, unsigned int a_Scale)
+{
+ cPacketizer Pkt(*this, 0x34);
+ Pkt.WriteVarInt(a_ID);
+ Pkt.WriteShort (2);
+
+ Pkt.WriteByte(2);
+ Pkt.WriteByte(a_Scale);
+}
+
+
+
+
+
void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup)
{
@@ -518,9 +687,8 @@ void cProtocol172::SendPlayerAbilities(void)
Flags |= 0x04;
}
Pkt.WriteByte(Flags);
- // TODO: Pkt.WriteFloat(m_Client->GetPlayer()->GetMaxFlyingSpeed());
- Pkt.WriteFloat(0.05f);
- Pkt.WriteFloat((float)m_Client->GetPlayer()->GetMaxSpeed());
+ Pkt.WriteFloat((float)(0.05 * m_Client->GetPlayer()->GetFlyingMaxSpeed()));
+ Pkt.WriteFloat((float)(0.1 * m_Client->GetPlayer()->GetMaxSpeed()));
}
@@ -574,13 +742,14 @@ void cProtocol172::SendPlayerMaxSpeed(void)
Pkt.WriteInt(m_Client->GetPlayer()->GetUniqueID());
Pkt.WriteInt(1); // Count
Pkt.WriteString("generic.movementSpeed");
- Pkt.WriteDouble(0.1);
+ // The default game speed is 0.1, multiply that value by the relative speed:
+ Pkt.WriteDouble(0.1 * m_Client->GetPlayer()->GetNormalMaxSpeed());
if (m_Client->GetPlayer()->IsSprinting())
{
Pkt.WriteShort(1); // Modifier count
Pkt.WriteInt64(0x662a6b8dda3e4c1c);
Pkt.WriteInt64(0x881396ea6097278d); // UUID of the modifier
- Pkt.WriteDouble(0.3);
+ Pkt.WriteDouble(m_Client->GetPlayer()->GetSprintingMaxSpeed() - m_Client->GetPlayer()->GetNormalMaxSpeed());
Pkt.WriteByte(2);
}
else
@@ -707,6 +876,46 @@ 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);
+ Pkt.WriteString(a_Name);
+ Pkt.WriteString(a_DisplayName);
+ Pkt.WriteByte(a_Mode);
+}
+
+
+
+
+
+void cProtocol172::SendScoreUpdate(const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode)
+{
+ cPacketizer Pkt(*this, 0x3C);
+ Pkt.WriteString(a_Player);
+ Pkt.WriteByte(a_Mode);
+
+ if (a_Mode != 1)
+ {
+ Pkt.WriteString(a_Objective);
+ Pkt.WriteInt((int) a_Score);
+ }
+}
+
+
+
+
+
+void cProtocol172::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display)
+{
+ cPacketizer Pkt(*this, 0x3D);
+ Pkt.WriteByte((int) a_Display);
+ Pkt.WriteString(a_Objective);
+}
+
+
+
+
+
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
{
cPacketizer Pkt(*this, 0x29); // Sound Effect packet
@@ -787,8 +996,8 @@ void cProtocol172::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType,
Pkt.WriteFPInt(a_Entity.GetPosX());
Pkt.WriteFPInt(a_Entity.GetPosY());
Pkt.WriteFPInt(a_Entity.GetPosZ());
- Pkt.WriteByteAngle(a_Entity.GetYaw());
Pkt.WriteByteAngle(a_Entity.GetPitch());
+ Pkt.WriteByteAngle(a_Entity.GetYaw());
Pkt.WriteInt(a_ObjectData);
if (a_ObjectData != 0)
{
@@ -810,8 +1019,8 @@ void cProtocol172::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleTyp
Pkt.WriteFPInt(a_Vehicle.GetPosX());
Pkt.WriteFPInt(a_Vehicle.GetPosY());
Pkt.WriteFPInt(a_Vehicle.GetPosZ());
- Pkt.WriteByteAngle(a_Vehicle.GetYaw());
Pkt.WriteByteAngle(a_Vehicle.GetPitch());
+ Pkt.WriteByteAngle(a_Vehicle.GetYaw());
Pkt.WriteInt(a_VehicleSubType);
if (a_VehicleSubType != 0)
{
@@ -906,6 +1115,8 @@ void cProtocol172::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
{
case E_BLOCK_MOB_SPAWNER: Action = 1; break; // Update mob spawner spinny mob thing
case E_BLOCK_COMMAND_BLOCK: Action = 2; break; // Update command block text
+ case E_BLOCK_HEAD: Action = 4; break; // Update Mobhead entity
+ case E_BLOCK_FLOWER_POT: Action = 5; break; // Update flower pot
default: ASSERT(!"Unhandled or unimplemented BlockEntity update request!"); break;
}
Pkt.WriteByte(Action);
@@ -923,10 +1134,11 @@ void cProtocol172::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, cons
Pkt.WriteInt(a_BlockX);
Pkt.WriteShort((short)a_BlockY);
Pkt.WriteInt(a_BlockZ);
- Pkt.WriteString(a_Line1);
- Pkt.WriteString(a_Line2);
- Pkt.WriteString(a_Line3);
- Pkt.WriteString(a_Line4);
+ // Need to send only up to 15 chars, otherwise the client crashes (#598)
+ Pkt.WriteString(a_Line1.substr(0, 15));
+ Pkt.WriteString(a_Line2.substr(0, 15));
+ Pkt.WriteString(a_Line3.substr(0, 15));
+ Pkt.WriteString(a_Line4.substr(0, 15));
}
@@ -1024,8 +1236,33 @@ void cProtocol172::SendWindowProperty(const cWindow & a_Window, short a_Property
-void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
+void cProtocol172::AddReceivedData(const char * a_Data, size_t a_Size)
{
+ // Write the incoming data into the comm log file:
+ if (g_ShouldLogCommIn)
+ {
+ if (m_ReceivedData.GetReadableSpace() > 0)
+ {
+ AString AllData;
+ size_t OldReadableSpace = m_ReceivedData.GetReadableSpace();
+ m_ReceivedData.ReadAll(AllData);
+ m_ReceivedData.ResetRead();
+ m_ReceivedData.SkipRead(m_ReceivedData.GetReadableSpace() - OldReadableSpace);
+ ASSERT(m_ReceivedData.GetReadableSpace() == OldReadableSpace);
+ AString Hex;
+ CreateHexDump(Hex, AllData.data(), AllData.size(), 16);
+ m_CommLogFile.Printf("Incoming data, " SIZE_T_FMT " (0x" SIZE_T_FMT_HEX ") unparsed bytes already present in buffer:\n%s\n",
+ AllData.size(), AllData.size(), Hex.c_str()
+ );
+ }
+ AString Hex;
+ CreateHexDump(Hex, a_Data, a_Size, 16);
+ m_CommLogFile.Printf("Incoming data: %d (0x%x) bytes: \n%s\n",
+ (unsigned)a_Size, (unsigned)a_Size, Hex.c_str()
+ );
+ m_CommLogFile.Flush();
+ }
+
if (!m_ReceivedData.Write(a_Data, a_Size))
{
// Too much data in the incoming queue, report to caller:
@@ -1040,12 +1277,14 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
if (!m_ReceivedData.ReadVarInt(PacketLen))
{
// Not enough data
- return;
+ m_ReceivedData.ResetRead();
+ break;
}
if (!m_ReceivedData.CanReadBytes(PacketLen))
{
// The full packet hasn't been received yet
- return;
+ m_ReceivedData.ResetRead();
+ break;
}
cByteBuffer bb(PacketLen + 1);
VERIFY(m_ReceivedData.ReadToByteBuffer(bb, (int)PacketLen));
@@ -1058,9 +1297,25 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
if (!bb.ReadVarInt(PacketType))
{
// Not enough data
- return;
+ break;
}
+ // Log the packet info into the comm log file:
+ if (g_ShouldLogCommIn)
+ {
+ AString PacketData;
+ bb.ReadAll(PacketData);
+ bb.ResetRead();
+ bb.ReadVarInt(PacketType);
+ ASSERT(PacketData.size() > 0);
+ PacketData.resize(PacketData.size() - 1);
+ AString PacketDataHex;
+ CreateHexDump(PacketDataHex, PacketData.data(), PacketData.size(), 16);
+ m_CommLogFile.Printf("Next incoming packet is type %u (0x%x), length %u (0x%x) at state %d. Payload:\n%s\n",
+ PacketType, PacketType, PacketLen, PacketLen, m_State, PacketDataHex.c_str()
+ );
+ }
+
if (!HandlePacket(bb, PacketType))
{
// Unknown packet, already been reported, but without the length. Log the length here:
@@ -1077,19 +1332,52 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
LOGD("Packet contents:\n%s", Out.c_str());
#endif // _DEBUG
+ // Put a message in the comm log:
+ if (g_ShouldLogCommIn)
+ {
+ m_CommLogFile.Printf("^^^^^^ Unhandled packet ^^^^^^\n\n\n");
+ }
+
return;
}
if (bb.GetReadableSpace() != 1)
{
// Read more or less than packet length, report as error
- LOGWARNING("Protocol 1.7: Wrong number of bytes read for packet 0x%x, state %d. Read %u bytes, packet contained %u bytes",
+ LOGWARNING("Protocol 1.7: Wrong number of bytes read for packet 0x%x, state %d. Read " SIZE_T_FMT " bytes, packet contained %u bytes",
PacketType, m_State, bb.GetUsedSpace() - bb.GetReadableSpace(), PacketLen
);
+
+ // Put a message in the comm log:
+ if (g_ShouldLogCommIn)
+ {
+ m_CommLogFile.Printf("^^^^^^ Wrong number of bytes read for this packet (exp %d left, got " SIZE_T_FMT " left) ^^^^^^\n\n\n",
+ 1, bb.GetReadableSpace()
+ );
+ m_CommLogFile.Flush();
+ }
+
ASSERT(!"Read wrong number of bytes!");
m_Client->PacketError(PacketType);
}
- } // while (true)
+ } // for(ever)
+
+ // Log any leftover bytes into the logfile:
+ if (g_ShouldLogCommIn && (m_ReceivedData.GetReadableSpace() > 0))
+ {
+ AString AllData;
+ size_t OldReadableSpace = m_ReceivedData.GetReadableSpace();
+ m_ReceivedData.ReadAll(AllData);
+ m_ReceivedData.ResetRead();
+ m_ReceivedData.SkipRead(m_ReceivedData.GetReadableSpace() - OldReadableSpace);
+ ASSERT(m_ReceivedData.GetReadableSpace() == OldReadableSpace);
+ AString Hex;
+ CreateHexDump(Hex, AllData.data(), AllData.size(), 16);
+ m_CommLogFile.Printf("There are " SIZE_T_FMT " (0x" SIZE_T_FMT_HEX ") bytes of non-parse-able data left in the buffer:\n%s",
+ m_ReceivedData.GetReadableSpace(), m_ReceivedData.GetReadableSpace(), Hex.c_str()
+ );
+ m_CommLogFile.Flush();
+ }
}
@@ -1220,7 +1508,64 @@ void cProtocol172::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
void cProtocol172::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer)
{
- // TODO: Add protocol encryption
+ short EncKeyLength, EncNonceLength;
+ a_ByteBuffer.ReadBEShort(EncKeyLength);
+ AString EncKey;
+ if (!a_ByteBuffer.ReadString(EncKey, EncKeyLength))
+ {
+ return;
+ }
+ a_ByteBuffer.ReadBEShort(EncNonceLength);
+ AString EncNonce;
+ if (!a_ByteBuffer.ReadString(EncNonce, EncNonceLength))
+ {
+ return;
+ }
+ if ((EncKeyLength > MAX_ENC_LEN) || (EncNonceLength > MAX_ENC_LEN))
+ {
+ LOGD("Too long encryption");
+ m_Client->Kick("Hacked client");
+ return;
+ }
+
+ // Decrypt EncNonce using privkey
+ cRSAPrivateKey & rsaDecryptor = cRoot::Get()->GetServer()->GetPrivateKey();
+ Int32 DecryptedNonce[MAX_ENC_LEN / sizeof(Int32)];
+ int res = rsaDecryptor.Decrypt((const Byte *)EncNonce.data(), EncNonce.size(), (Byte *)DecryptedNonce, sizeof(DecryptedNonce));
+ if (res != 4)
+ {
+ LOGD("Bad nonce length: got %d, exp %d", res, 4);
+ m_Client->Kick("Hacked client");
+ return;
+ }
+ if (ntohl(DecryptedNonce[0]) != (unsigned)(uintptr_t)this)
+ {
+ LOGD("Bad nonce value");
+ m_Client->Kick("Hacked client");
+ return;
+ }
+
+ // Decrypt the symmetric encryption key using privkey:
+ Byte DecryptedKey[MAX_ENC_LEN];
+ res = rsaDecryptor.Decrypt((const Byte *)EncKey.data(), EncKey.size(), DecryptedKey, sizeof(DecryptedKey));
+ if (res != 16)
+ {
+ LOGD("Bad key length");
+ m_Client->Kick("Hacked client");
+ return;
+ }
+
+ 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());
}
@@ -1232,14 +1577,26 @@ void cProtocol172::HandlePacketLoginStart(cByteBuffer & a_ByteBuffer)
AString Username;
a_ByteBuffer.ReadVarUTF8String(Username);
- // TODO: Protocol encryption should be set up here if not localhost / auth
-
if (!m_Client->HandleHandshake(Username))
{
// The client is not welcome here, they have been sent a Kick packet already
return;
}
+ // If auth is required, then send the encryption request:
+ if (cRoot::Get()->GetServer()->ShouldAuthenticate())
+ {
+ cPacketizer Pkt(*this, 0x01);
+ Pkt.WriteString(cRoot::Get()->GetServer()->GetServerID());
+ const AString & PubKeyDer = cRoot::Get()->GetServer()->GetPublicKeyDER();
+ Pkt.WriteShort(PubKeyDer.size());
+ Pkt.WriteBuf(PubKeyDer.data(), PubKeyDer.size());
+ Pkt.WriteShort(4);
+ Pkt.WriteInt((int)(intptr_t)this); // Using 'this' as the cryptographic nonce, so that we don't have to generate one each time :)
+ m_Client->SetUsername(Username);
+ return;
+ }
+
// Send login success:
{
cPacketizer Pkt(*this, 0x02); // Login success packet
@@ -1272,8 +1629,8 @@ void cProtocol172::HandlePacketBlockDig(cByteBuffer & a_ByteBuffer)
HANDLE_READ(a_ByteBuffer, ReadBEInt, int, BlockX);
HANDLE_READ(a_ByteBuffer, ReadByte, Byte, BlockY);
HANDLE_READ(a_ByteBuffer, ReadBEInt, int, BlockZ);
- HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Face);
- m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, Face, Status);
+ HANDLE_READ(a_ByteBuffer, ReadChar, char, Face);
+ m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, static_cast<eBlockFace>(Face), Status);
}
@@ -1285,14 +1642,14 @@ void cProtocol172::HandlePacketBlockPlace(cByteBuffer & a_ByteBuffer)
HANDLE_READ(a_ByteBuffer, ReadBEInt, int, BlockX);
HANDLE_READ(a_ByteBuffer, ReadByte, Byte, BlockY);
HANDLE_READ(a_ByteBuffer, ReadBEInt, int, BlockZ);
- HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Face);
+ HANDLE_READ(a_ByteBuffer, ReadChar, char, Face);
cItem Item;
ReadItem(a_ByteBuffer, Item);
HANDLE_READ(a_ByteBuffer, ReadByte, Byte, CursorX);
HANDLE_READ(a_ByteBuffer, ReadByte, Byte, CursorY);
HANDLE_READ(a_ByteBuffer, ReadByte, Byte, CursorZ);
- m_Client->HandleRightClick(BlockX, BlockY, BlockZ, Face, CursorX, CursorY, CursorZ, m_Client->GetPlayer()->GetEquippedItem());
+ m_Client->HandleRightClick(BlockX, BlockY, BlockZ, static_cast<eBlockFace>(Face), CursorX, CursorY, CursorZ, m_Client->GetPlayer()->GetEquippedItem());
}
@@ -1317,6 +1674,8 @@ void cProtocol172::HandlePacketClientSettings(cByteBuffer & a_ByteBuffer)
HANDLE_READ(a_ByteBuffer, ReadByte, Byte, ChatColors);
HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Difficulty);
HANDLE_READ(a_ByteBuffer, ReadByte, Byte, ShowCape);
+
+ m_Client->SetLocale(Locale);
// TODO: handle in m_Client
}
@@ -1374,7 +1733,15 @@ void cProtocol172::HandlePacketEntityAction(cByteBuffer & a_ByteBuffer)
HANDLE_READ(a_ByteBuffer, ReadBEInt, int, PlayerID);
HANDLE_READ(a_ByteBuffer, ReadByte, Byte, Action);
HANDLE_READ(a_ByteBuffer, ReadBEInt, int, JumpBoost);
- m_Client->HandleEntityAction(PlayerID, Action);
+
+ switch (Action)
+ {
+ case 1: m_Client->HandleEntityCrouch(PlayerID, true); break; // Crouch
+ case 2: m_Client->HandleEntityCrouch(PlayerID, false); break; // Uncrouch
+ case 3: m_Client->HandleEntityLeaveBed(PlayerID); break; // Leave Bed
+ case 4: m_Client->HandleEntitySprinting(PlayerID, true); break; // Start sprinting
+ case 5: m_Client->HandleEntitySprinting(PlayerID, false); break; // Stop sprinting
+ }
}
@@ -1637,15 +2004,15 @@ void cProtocol172::WritePacket(cByteBuffer & a_Packet)
-void cProtocol172::SendData(const char * a_Data, int a_Size)
+void cProtocol172::SendData(const char * a_Data, size_t a_Size)
{
if (m_IsEncrypted)
{
- byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks)
+ Byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks)
while (a_Size > 0)
{
- int NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size;
- m_Encryptor.ProcessData(Encrypted, (byte *)a_Data, NumBytes);
+ size_t NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size;
+ m_Encryptor.ProcessData(Encrypted, (Byte *)a_Data, NumBytes);
m_Client->SendData((const char *)Encrypted, NumBytes);
a_Size -= NumBytes;
a_Data += NumBytes;
@@ -1711,7 +2078,7 @@ void cProtocol172::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
{
AString HexDump;
CreateHexDump(HexDump, a_Metadata.data(), a_Metadata.size(), 16);
- LOGWARNING("Cannot unGZIP item metadata (%u bytes):\n%s", a_Metadata.size(), HexDump.c_str());
+ LOGWARNING("Cannot unGZIP item metadata (" SIZE_T_FMT " bytes):\n%s", a_Metadata.size(), HexDump.c_str());
return;
}
@@ -1721,43 +2088,54 @@ void cProtocol172::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
{
AString HexDump;
CreateHexDump(HexDump, Uncompressed.data(), Uncompressed.size(), 16);
- LOGWARNING("Cannot parse NBT item metadata: (%u bytes)\n%s", Uncompressed.size(), HexDump.c_str());
+ LOGWARNING("Cannot parse NBT item metadata: (" SIZE_T_FMT " bytes)\n%s", Uncompressed.size(), HexDump.c_str());
return;
}
// Load enchantments and custom display names from the NBT data:
for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag))
{
- if (
- (NBT.GetType(tag) == TAG_List) &&
- (
- (NBT.GetName(tag) == "ench") ||
- (NBT.GetName(tag) == "StoredEnchantments")
- )
- )
- {
- EnchantmentSerializer::ParseFromNBT(a_Item.m_Enchantments, NBT, tag);
- }
- else if ((NBT.GetType(tag) == TAG_Compound) && (NBT.GetName(tag) == "display")) // Custom name and lore tag
+ AString TagName = NBT.GetName(tag);
+ switch (NBT.GetType(tag))
{
- for (int displaytag = NBT.GetFirstChild(tag); displaytag >= 0; displaytag = NBT.GetNextSibling(displaytag))
+ case TAG_List:
{
- if ((NBT.GetType(displaytag) == TAG_String) && (NBT.GetName(displaytag) == "Name")) // Custon name tag
+ if ((TagName == "ench") || (TagName == "StoredEnchantments")) // Enchantments tags
{
- a_Item.m_CustomName = NBT.GetString(displaytag);
+ EnchantmentSerializer::ParseFromNBT(a_Item.m_Enchantments, NBT, tag);
}
- else if ((NBT.GetType(displaytag) == TAG_List) && (NBT.GetName(displaytag) == "Lore")) // Lore tag
+ break;
+ }
+ case TAG_Compound:
+ {
+ if (TagName == "display") // Custom name and lore tag
{
- AString Lore;
-
- for (int loretag = NBT.GetFirstChild(displaytag); loretag >= 0; loretag = NBT.GetNextSibling(loretag)) // Loop through array of strings
+ for (int displaytag = NBT.GetFirstChild(tag); displaytag >= 0; displaytag = NBT.GetNextSibling(displaytag))
{
- AppendPrintf(Lore, "%s`", NBT.GetString(loretag).c_str()); // Append the lore with a newline, used internally by MCS to display a new line in the client; don't forget to c_str ;)
+ if ((NBT.GetType(displaytag) == TAG_String) && (NBT.GetName(displaytag) == "Name")) // Custon name tag
+ {
+ a_Item.m_CustomName = NBT.GetString(displaytag);
+ }
+ else if ((NBT.GetType(displaytag) == TAG_List) && (NBT.GetName(displaytag) == "Lore")) // Lore tag
+ {
+ AString Lore;
+
+ for (int loretag = NBT.GetFirstChild(displaytag); loretag >= 0; loretag = NBT.GetNextSibling(loretag)) // Loop through array of strings
+ {
+ AppendPrintf(Lore, "%s`", NBT.GetString(loretag).c_str()); // Append the lore with a newline, used internally by MCS to display a new line in the client; don't forget to c_str ;)
+ }
+
+ a_Item.m_Lore = Lore;
+ }
}
-
- a_Item.m_Lore = Lore;
}
+ else if ((TagName == "Fireworks") || (TagName == "Explosion"))
+ {
+ cFireworkItem::ParseFromNBT(a_Item.m_FireworkItem, NBT, tag, (ENUM_ITEM_ID)a_Item.m_ItemType);
+ }
+ break;
}
+ default: LOGD("Unimplemented NBT data when parsing!"); break;
}
}
}
@@ -1766,6 +2144,106 @@ void cProtocol172::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
+void cProtocol172::StartEncryption(const Byte * a_Key)
+{
+ m_Encryptor.Init(a_Key, a_Key);
+ m_Decryptor.Init(a_Key, a_Key);
+ m_IsEncrypted = true;
+
+ // Prepare the m_AuthServerID:
+ cSHA1Checksum Checksum;
+ const AString & ServerID = cRoot::Get()->GetServer()->GetServerID();
+ Checksum.Update((const Byte *)ServerID.c_str(), ServerID.length());
+ Checksum.Update(a_Key, 16);
+ Checksum.Update((const Byte *)cRoot::Get()->GetServer()->GetPublicKeyDER().data(), cRoot::Get()->GetServer()->GetPublicKeyDER().size());
+ Byte Digest[20];
+ Checksum.Finalize(Digest);
+ cSHA1Checksum::DigestToJava(Digest, m_AuthServerID);
+}
+
+
+
+
+
+void cProtocol172::AddChatPartStyle(Json::Value & a_Value, const AString & a_PartStyle)
+{
+ size_t len = a_PartStyle.length();
+ for (size_t i = 0; i < len; i++)
+ {
+ switch (a_PartStyle[i])
+ {
+ case 'b':
+ {
+ // bold
+ a_Value["bold"] = Json::Value(true);
+ break;
+ }
+
+ case 'i':
+ {
+ // italic
+ a_Value["italic"] = Json::Value(true);
+ break;
+ }
+
+ case 'u':
+ {
+ // Underlined
+ a_Value["underlined"] = Json::Value(true);
+ break;
+ }
+
+ case 's':
+ {
+ // strikethrough
+ a_Value["strikethrough"] = Json::Value(true);
+ break;
+ }
+
+ case 'o':
+ {
+ // obfuscated
+ a_Value["obfuscated"] = Json::Value(true);
+ break;
+ }
+
+ case '@':
+ {
+ // Color, specified by the next char:
+ i++;
+ if (i >= len)
+ {
+ // String too short, didn't contain a color
+ break;
+ }
+ switch (a_PartStyle[i])
+ {
+ case '0': a_Value["color"] = Json::Value("black"); break;
+ case '1': a_Value["color"] = Json::Value("dark_blue"); break;
+ case '2': a_Value["color"] = Json::Value("dark_green"); break;
+ case '3': a_Value["color"] = Json::Value("dark_aqua"); break;
+ case '4': a_Value["color"] = Json::Value("dark_red"); break;
+ case '5': a_Value["color"] = Json::Value("dark_purple"); break;
+ case '6': a_Value["color"] = Json::Value("gold"); break;
+ case '7': a_Value["color"] = Json::Value("gray"); break;
+ case '8': a_Value["color"] = Json::Value("dark_gray"); break;
+ case '9': a_Value["color"] = Json::Value("blue"); break;
+ case 'a': a_Value["color"] = Json::Value("green"); break;
+ case 'b': a_Value["color"] = Json::Value("aqua"); break;
+ case 'c': a_Value["color"] = Json::Value("red"); break;
+ case 'd': a_Value["color"] = Json::Value("light_purple"); break;
+ case 'e': a_Value["color"] = Json::Value("yellow"); break;
+ case 'f': a_Value["color"] = Json::Value("white"); break;
+ } // switch (color)
+ } // case '@'
+ } // switch (Style[i])
+ } // for i - a_PartStyle[]
+}
+
+
+
+
+
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cProtocol172::cPacketizer:
@@ -1784,6 +2262,17 @@ cProtocol172::cPacketizer::~cPacketizer()
m_Out.ReadAll(DataToSend);
m_Protocol.SendData(DataToSend.data(), DataToSend.size());
m_Out.CommitRead();
+
+ // Log the comm into logfile:
+ if (g_ShouldLogCommOut)
+ {
+ AString Hex;
+ ASSERT(DataToSend.size() > 0);
+ CreateHexDump(Hex, DataToSend.data() + 1, DataToSend.size() - 1, 16);
+ m_Protocol.m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload:\n%s\n",
+ DataToSend[0], DataToSend[0], PacketLen, PacketLen, m_Protocol.m_State, Hex.c_str()
+ );
+ }
}
@@ -1810,7 +2299,7 @@ void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
WriteByte (a_Item.m_ItemCount);
WriteShort(a_Item.m_ItemDamage);
- if (a_Item.m_Enchantments.IsEmpty() && a_Item.IsBothNameAndLoreEmpty())
+ if (a_Item.m_Enchantments.IsEmpty() && a_Item.IsBothNameAndLoreEmpty() && (a_Item.m_ItemType != E_ITEM_FIREWORK_ROCKET) && (a_Item.m_ItemType != E_ITEM_FIREWORK_STAR))
{
WriteShort(-1);
return;
@@ -1849,6 +2338,10 @@ void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
}
Writer.EndCompound();
}
+ if ((a_Item.m_ItemType == E_ITEM_FIREWORK_ROCKET) || (a_Item.m_ItemType == E_ITEM_FIREWORK_STAR))
+ {
+ cFireworkItem::WriteToNBTCompound(a_Item.m_FireworkItem, Writer, (ENUM_ITEM_ID)a_Item.m_ItemType);
+ }
Writer.Finish();
AString Compressed;
CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);
@@ -1890,6 +2383,31 @@ void cProtocol172::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEnt
}
break;
}
+ case E_BLOCK_HEAD:
+ {
+ cMobHeadEntity & MobHeadEntity = (cMobHeadEntity &)a_BlockEntity;
+
+ Writer.AddInt("x", MobHeadEntity.GetPosX());
+ Writer.AddInt("y", MobHeadEntity.GetPosY());
+ Writer.AddInt("z", MobHeadEntity.GetPosZ());
+ Writer.AddByte("SkullType", MobHeadEntity.GetType() & 0xFF);
+ Writer.AddByte("Rot", MobHeadEntity.GetRotation() & 0xFF);
+ Writer.AddString("ExtraType", MobHeadEntity.GetOwner().c_str());
+ Writer.AddString("id", "Skull"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+ break;
+ }
+ case E_BLOCK_FLOWER_POT:
+ {
+ cFlowerPotEntity & FlowerPotEntity = (cFlowerPotEntity &)a_BlockEntity;
+
+ Writer.AddInt("x", FlowerPotEntity.GetPosX());
+ Writer.AddInt("y", FlowerPotEntity.GetPosY());
+ Writer.AddInt("z", FlowerPotEntity.GetPosZ());
+ Writer.AddInt("Item", (Int32) FlowerPotEntity.GetItem().m_ItemType);
+ Writer.AddInt("Data", (Int32) FlowerPotEntity.GetItem().m_ItemDamage);
+ Writer.AddString("id", "FlowerPot"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+ break;
+ }
default: break;
}
@@ -2000,10 +2518,22 @@ void cProtocol172::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
}
case cEntity::etProjectile:
{
- if (((cProjectileEntity &)a_Entity).GetProjectileKind() == cProjectileEntity::pkArrow)
+ cProjectileEntity & Projectile = (cProjectileEntity &)a_Entity;
+ switch (Projectile.GetProjectileKind())
{
- WriteByte(0x10);
- WriteByte(((const cArrowEntity &)a_Entity).IsCritical() ? 1 : 0);
+ case cProjectileEntity::pkArrow:
+ {
+ WriteByte(0x10);
+ WriteByte(((const cArrowEntity &)a_Entity).IsCritical() ? 1 : 0);
+ break;
+ }
+ case cProjectileEntity::pkFirework:
+ {
+ WriteByte(0xA8);
+ WriteItem(((const cFireworkEntity &)a_Entity).GetItem());
+ break;
+ }
+ default: break;
}
break;
}
@@ -2012,6 +2542,16 @@ void cProtocol172::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
WriteMobMetadata((const cMonster &)a_Entity);
break;
}
+ case cEntity::etItemFrame:
+ {
+ cItemFrame & Frame = (cItemFrame &)a_Entity;
+ WriteByte(0xA2);
+ WriteItem(Frame.GetItem());
+ WriteByte(0x3);
+ WriteByte(Frame.GetRotation());
+ break;
+ }
+ default: break;
}
}
@@ -2136,6 +2676,15 @@ void cProtocol172::cPacketizer::WriteMobMetadata(const cMonster & a_Mob)
WriteByte(((const cWitch &)a_Mob).IsAngry() ? 1 : 0);
break;
}
+
+ case cMonster::mtWither:
+ {
+ WriteByte(0x54); // Int at index 20
+ WriteInt(((const cWither &)a_Mob).GetNumInvulnerableTicks());
+ WriteByte(0x66); // Float at index 6
+ WriteFloat((float)(a_Mob.GetHealth()));
+ break;
+ }
case cMonster::mtSlime:
{
@@ -2211,7 +2760,8 @@ void cProtocol172::cPacketizer::WriteEntityProperties(const cEntity & a_Entity)
WriteInt(0);
return;
}
- const cMonster & Mob = (const cMonster &)a_Entity;
+
+ //const cMonster & Mob = (const cMonster &)a_Entity;
// TODO: Send properties and modifiers based on the mob type
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 20:21:09 +0100