private void handleInit(ByteBuffer packet)
{
this.sessionId = packet.ReadUInt32();
this.protocolVer = packet.ReadUInt32();
this.publicKey = packet.ReadBytes(0x80);
// 4x read D (GameGuard);
for (int i = 0; i < 4; i++)
{
packet.ReadUInt32();
}
this.blowfishKey = packet.ReadBytes(0x10);
// set new key in LoginCrypt
crypt.setKey(this.blowfishKey);
}
private void onCharSelected(ByteBuffer packet)
{
packet.ReadString(); // name
packet.ReadInt32(); // CharId
packet.ReadString(); // Title
packet.ReadBytes(196); // 196 bytes
this.obfusicateKey = packet.ReadInt32();
this.clientCrypt.generateOpcodeTable(this.obfusicateKey);
}
public L2Packet handlePacket(byte[] incPacket, bool fromServer)
{
if (!fromServer)
{
return(null);
}
this.decryptPacket(incPacket);
ByteBuffer binPacket = new ByteBuffer(incPacket);
binPacket.ReadBytes(2); // discard first 2 bytes
byte id = binPacket.ReadByte();
switch (id)
{
case 0x00: // Init
//Console.Out.WriteLine("LoginServerpacket::Init");
this.handleInit(binPacket);
break;
case 0x01: // LoginFail
//Console.Out.WriteLine("LoginServerpacket::LoginFail");
break;
case 0x02: // AccountKicked
//Console.Out.WriteLine("LoginServerpacket::AccountKicked");
break;
case 0x03: // LoginOk
//Console.Out.WriteLine("LoginServerpacket::LoginOk");
break;
case 0x04: // Serverlist
//Console.Out.WriteLine("LoginServerpacket::Serverlist");
break;
case 0x06: // PlayFail
//Console.Out.WriteLine("LoginServerpacket::PlayFail");
break;
case 0x07: // PlayOk
//Console.Out.WriteLine("LoginServerpacket::PlayOK");
break;
case 0x0b: // GGAuth
// Console.Out.WriteLine("LoginServerpacket::GGAuth");
break;
}
return(new LoginServerPacket(binPacket));
}
public L2Packet handlePacket(byte[] incPacket, bool fromServer)
{
if (!fromServer)
return null;
this.decryptPacket(incPacket);
ByteBuffer binPacket = new ByteBuffer(incPacket);
binPacket.ReadBytes(2); // discard first 2 bytes
byte id = binPacket.ReadByte();
switch (id)
{
case 0x00: // Init
//Console.Out.WriteLine("LoginServerpacket::Init");
this.handleInit(binPacket);
break;
case 0x01: // LoginFail
//Console.Out.WriteLine("LoginServerpacket::LoginFail");
break;
case 0x02: // AccountKicked
//Console.Out.WriteLine("LoginServerpacket::AccountKicked");
break;
case 0x03: // LoginOk
//Console.Out.WriteLine("LoginServerpacket::LoginOk");
break;
case 0x04: // Serverlist
//Console.Out.WriteLine("LoginServerpacket::Serverlist");
break;
case 0x06: // PlayFail
//Console.Out.WriteLine("LoginServerpacket::PlayFail");
break;
case 0x07: // PlayOk
//Console.Out.WriteLine("LoginServerpacket::PlayOK");
break;
case 0x0b: // GGAuth
// Console.Out.WriteLine("LoginServerpacket::GGAuth");
break;
}
return new LoginServerPacket(binPacket);
}
private void onKeyPacket(ByteBuffer packet)
{
packet.ReadByte();
this.cryptKey = packet.ReadBytes(16);
this.cryptKey[8] = (byte)0xc8;
this.cryptKey[9] = (byte)0x27;
this.cryptKey[10] = (byte)0x93;
this.cryptKey[11] = (byte)0x01;
this.cryptKey[12] = (byte)0xa1;
this.cryptKey[13] = (byte)0x6c;
this.cryptKey[14] = (byte)0x31;
this.cryptKey[15] = (byte)0x97;
serverCrypt.setKey(this.cryptKey);
clientCrypt.setKey(this.cryptKey);
// ddcd
packet.ReadInt32();
packet.ReadInt32();
packet.ReadByte();
this.obfusicateKey = packet.ReadInt32();
this.clientCrypt.generateOpcodeTable(this.obfusicateKey);
}
public L2Packet handlePacket(byte[] rawPacket, bool fromServer)
{
if (rawPacket.Length < 3) // Valid data?
{
return(null);
}
if (fromServer)
{
serverCrypt.decrypt(rawPacket, 2, rawPacket.Length);
}
else
{
clientCrypt.decrypt(rawPacket, 2, rawPacket.Length);
}
ByteBuffer binPacket = new ByteBuffer(rawPacket);
binPacket.ReadBytes(2); // Read 2 bytes ahead
int opcode = binPacket.ReadByte();
int secondOpCode = -1;
switch (state)
{
case GameClientState.CONNECTED:
// Vom Server (ServerPacket)
if (fromServer)
{
switch (opcode)
{
case 0x2e: // KeyPacket (Contains key, NOT Encrypted xD )
this.onKeyPacket(binPacket);
break;
case 0x09: // CharSelectionInfo
this.state = GameClientState.AUTHED;
break;
}
}
// Vom Clienten
else
{
}
break;
case GameClientState.AUTHED:
if (fromServer)
{
switch (opcode)
{
case 0x73:
this.state = GameClientState.IN_GAME;
//Console.Out.WriteLine(Util.printData(binPacket));
break;
}
}
else
{
switch (opcode)
{
case 0x0d:
// get secondOpCode and set
secondOpCode = binPacket.ReadInt16();
break;
case 0x12: // CharacterSelect
break;
}
}
break;
case GameClientState.IN_GAME:
if (fromServer)
{
switch (opcode)
{
case 0xfe:
// get secondOpCode
secondOpCode = binPacket.ReadInt16();
break;
case 0x0b: //CharSelected
this.onCharSelected(binPacket);
break;
}
}
else
{
switch (opcode)
{
case 0x1f:
break;
case 0xd0:
// get secondOpCode
secondOpCode = binPacket.ReadInt16();
break;
}
}
break;
}
if (fromServer)
{
return(new GameServerPacket(binPacket));
}
else
{
return(new ClientPacket(binPacket));
}
}
public L2Packet handlePacket(byte[] rawPacket, bool fromServer)
{
if (rawPacket.Length < 3) // Valid data?
return null;
if (fromServer)
serverCrypt.decrypt(rawPacket, 2, rawPacket.Length);
else
clientCrypt.decrypt(rawPacket, 2, rawPacket.Length);
ByteBuffer binPacket = new ByteBuffer(rawPacket);
binPacket.ReadBytes(2); // Read 2 bytes ahead
int opcode = binPacket.ReadByte();
int secondOpCode = -1;
switch (state)
{
case GameClientState.CONNECTED:
// Vom Server (ServerPacket)
if (fromServer)
{
switch (opcode)
{
case 0x2e: // KeyPacket (Contains key, NOT Encrypted xD )
this.onKeyPacket(binPacket);
break;
case 0x09: // CharSelectionInfo
this.state = GameClientState.AUTHED;
break;
}
}
// Vom Clienten
else
{
}
break;
case GameClientState.AUTHED:
if (fromServer)
{
switch (opcode)
{
case 0x73:
this.state = GameClientState.IN_GAME;
//Console.Out.WriteLine(Util.printData(binPacket));
break;
}
}
else
{
switch (opcode)
{
case 0x0d:
// get secondOpCode and set
secondOpCode = binPacket.ReadInt16();
break;
case 0x12: // CharacterSelect
break;
}
}
break;
case GameClientState.IN_GAME:
if (fromServer)
{
switch (opcode)
{
case 0xfe:
// get secondOpCode
secondOpCode = binPacket.ReadInt16();
break;
case 0x0b: //CharSelected
this.onCharSelected(binPacket);
break;
}
}
else
{
switch (opcode)
{
case 0x1f:
break;
case 0xd0:
// get secondOpCode
secondOpCode = binPacket.ReadInt16();
break;
}
}
break;
}
if (fromServer)
return new GameServerPacket(binPacket);
else
{
return new ClientPacket(binPacket);
}
}
private void onKeyPacket(ByteBuffer packet)
{
packet.ReadByte();
this.cryptKey = packet.ReadBytes(16);
this.cryptKey[8] = (byte)0xc8;
this.cryptKey[9] = (byte)0x27;
this.cryptKey[10] = (byte)0x93;
this.cryptKey[11] = (byte)0x01;
this.cryptKey[12] = (byte)0xa1;
this.cryptKey[13] = (byte)0x6c;
this.cryptKey[14] = (byte)0x31;
this.cryptKey[15] = (byte)0x97;
serverCrypt.setKey(this.cryptKey);
clientCrypt.setKey(this.cryptKey);
// ddcd
packet.ReadInt32();
packet.ReadInt32();
packet.ReadByte();
this.obfusicateKey = packet.ReadInt32();
this.clientCrypt.generateOpcodeTable(this.obfusicateKey);
}
private void onCharSelected(ByteBuffer packet)
{
packet.ReadString(); // name
packet.ReadInt32(); // CharId
packet.ReadString(); // Title
packet.ReadBytes(196);// 196 bytes
this.obfusicateKey = packet.ReadInt32();
this.clientCrypt.generateOpcodeTable(this.obfusicateKey);
}
private void handleInit(ByteBuffer packet)
{
this.sessionId = packet.ReadUInt32();
this.protocolVer = packet.ReadUInt32();
this.publicKey = packet.ReadBytes(0x80);
// 4x read D (GameGuard);
for (int i = 0; i < 4; i++)
packet.ReadUInt32();
this.blowfishKey = packet.ReadBytes(0x10);
// set new key in LoginCrypt
crypt.setKey(this.blowfishKey);
}