public static void ProcessPacket(byte[] data, AsyncConnection connection)
{
AsyncConnectionData acd = (connection.AsyncState as AsyncConnectionData);
ByteBuffer buffer = new ByteBuffer(ByteOrder.LittleEndian, data, 6, data.Length - 6); // 1 opcode 4 len 1 chk
if (connection.State == 1)
{
buffer.ReadInt();
string rsaBytes = Encoding.UTF8.GetString(buffer.ReadBytes(1024));
byte[] rsa = new byte[512];
for (int i = 0; i < rsaBytes.Length; i += 2)
{
rsa[i / 2] = byte.Parse(rsaBytes.Substring(i, 2), NumberStyles.HexNumber);
}
uint resultSize = 0;
IntPtr ptr = TRSADecrypt(rsa, 512, ref resultSize);
byte[] decrypted = new byte[resultSize];
Marshal.Copy(ptr, decrypted, 0, (int)resultSize);
Console.WriteLine("Decrypted Size = " + resultSize);
Console.WriteLine(Utility.HexDump(decrypted));
// set salsa keys
ByteBuffer packetbuffer = new ByteBuffer(ByteOrder.LittleEndian, decrypted);
string username = packetbuffer.ReadString();
string hash = packetbuffer.ReadString();
byte[] key1 = packetbuffer.ReadBytes(32);
byte[] key2 = packetbuffer.ReadBytes(32); // decrypts client
byte[] iv1 = packetbuffer.ReadBytes(8);
byte[] iv2 = packetbuffer.ReadBytes(8); // decrypts client
connection.CipheredStream.EnableEncryption(key2, iv2, key1, iv1);
connection.SetState(2); // State 2 = Ready to decrypt
}
else
{
switch (data.Length)
{
case 14: // discarded client packet
break;
case 45:
byte[] response_45 = new byte[]
{
0x00, 0x48, 0x00, 0x00, 0x00, 0x48, 0xAF, 0xC5, 0x31, 0x67, 0xFF, 0xFF, 0xFF, 0xFF, 0x04, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x63, 0x61,
0x73, 0x74, 0x6C, 0x65, 0x68, 0x69, 0x6C, 0x6C, 0x74, 0x65, 0x73, 0x74, 0x00, 0x09, 0x00, 0x00,
0x00, 0x61, 0x66, 0x63, 0x31, 0x62, 0x62, 0x35, 0x61, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x6C, 0x6F,
0x67, 0x69, 0x6E, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
};
connection.SendRegularPacket(response_45);
break;
case 126: //omega packet
ByteBuffer pkt_omega = new ByteBuffer(ByteOrder.LittleEndian);
pkt_omega.WriteBytes(new byte[] {
0x00, 0x60, // Length
0x00, 0x00, 0x00, 0x60, // Length
0x84, 0xD0, 0xF2, 0x90, // PacketID (with client hack)
0x04, 0x00, 0x00, 0x00 // ObjectCode
});
pkt_omega.WriteString("swtor-game-lab-1.swtor.com:20063"); // Server Address
pkt_omega.WriteString("WIKRQEOYULPBIEHHADRWAAPNVRYGQHMNRXGHBUIV"); // Some key ?
Console.WriteLine(Utility.HexDump(pkt_omega.ToArray()));
connection.SendRegularPacket(pkt_omega.ToArray());
break;
default:
Console.WriteLine("recv packet, size = " + data.Length);
Console.WriteLine(Utility.HexDump(data));
break;
}
/*List<byte[]> packets = acd.Crypter.ProcessServerFromClient(data);
*
* foreach (byte[] packet in packets)
* {
* ByteBuffer pkt = new ByteBuffer(ByteOrder.BigEndian, packet);
* short opcode = pkt.ReadShort();
* int length = pkt.ReadInt();
*
* switch (opcode)
* {
* case 45:
* // Client Selecting a Shard Server
* Console.WriteLine(connection.GetHashCode() + " selecting shard.");
* MemoryStream response_45 = new MemoryStream(new byte[]
* {
* 0x00, 0x48, 0x0, 0x00, 0x00, 0x48, 0xAF, 0xC5, 0x31, 0x67, 0xFF, 0xFF, 0xFF, 0xFF, 0x04, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x63, 0x61,
* 0x73, 0x74, 0x6C, 0x65, 0x68, 0x69, 0x6C, 0x6C, 0x74, 0x65, 0x73, 0x74, 0x00, 0x09, 0x00, 0x00,
* 0x00, 0x61, 0x66, 0x63, 0x31, 0x62, 0x62, 0x35, 0x61, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x6C, 0x6F,
* 0x67, 0x69, 0x6E, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00,
* 0x00, 0x00,
* });
* SendPacket(connection, response_45);
* break;
* default:
* Console.WriteLine("PKTRECV Opcode = " + opcode + " Size = " + length);
* Console.WriteLine("Hex Dump = " + Utility.ToHexString(pkt, true));
* Console.WriteLine("String Dump = " + Encoding.UTF8.GetString(pkt.ToArray()));
* break;
* }
* }*/
}
}