public static void DecryptPacket(Socket socket, ClientState state, byte[] packet)
{
var messageId = BitConverter.ToInt32(new byte[2].Concat(packet.Take(2)).Reverse().ToArray(), 0);
var payloadLength = BitConverter.ToInt32(new byte[1].Concat(packet.Skip(2).Take(3)).Reverse().ToArray(), 0);
var unknown = BitConverter.ToInt32(new byte[2].Concat(packet.Skip(2).Skip(3).Take(2)).Reverse().ToArray(), 0);
var cipherText = packet.Skip(2).Skip(3).Skip(2).ToArray();
byte[] plainText;
if (messageId == 20100)
{
plainText = cipherText;
}
else if (messageId == 20104)
{
var nonce =
GenericHash.Hash(state.nonce.Concat(state.clientKey.PublicKey).Concat(state.serverKey).ToArray(),
null, 24);
plainText = PublicKeyBox.Open(cipherText, nonce, state.clientKey.PrivateKey, state.serverKey);
state.serverState.nonce = plainText.Take(24).ToArray();
state.serverState.sharedKey = plainText.Skip(24).Take(32).ToArray();
plainText = plainText.Skip(24).Skip(32).ToArray();
}
else
{
state.serverState.nonce = Utilities.Increment(Utilities.Increment(state.serverState.nonce));
plainText = SecretBox.Open(new byte[16].Concat(cipherText).ToArray(), state.serverState.nonce,
state.serverState.sharedKey);
}
Console.WriteLine("[UCR] {0} " + Environment.NewLine + "{1}", PacketInfos.GetPacketName(messageId),
Utilities.BinaryToHex(packet.Take(7).ToArray()) + Utilities.BinaryToHex(plainText));
ServerCrypto.EncryptPacket(state.serverState.socket, state.serverState, messageId, unknown, plainText);
}
public static void receive(int bytesReceived, Socket socket, State state)
{
int bytesRead = 0;
int payloadLength, bytesAvailable, bytesNeeded;
while (bytesRead < bytesReceived)
{
bytesAvailable = bytesReceived - bytesRead;
if (bytesReceived > 0)
{
if (state.packet.Length >= 7)
{
payloadLength = BitConverter.ToInt32(new byte[1].Concat(state.packet.Skip(2).Take(3)).Reverse().ToArray(), 0);
bytesNeeded = payloadLength - (state.packet.Length - 7);
if (bytesAvailable >= bytesNeeded)
{
state.packet = state.packet.Concat(state.buffer.Skip(bytesRead).Take(bytesNeeded)).ToArray();
bytesRead += bytesNeeded;
bytesAvailable -= bytesNeeded;
if (state.GetType() == typeof(ClientState))
{
ClientCrypto.DecryptPacket(socket, (ClientState)state, state.packet);
}
else if (state.GetType() == typeof(ServerState))
{
ServerCrypto.DecryptPacket(socket, (ServerState)state, state.packet);
}
state.packet = new byte[0];
}
else
{
state.packet = state.packet.Concat(state.buffer.Skip(bytesRead).Take(bytesAvailable)).ToArray();
bytesRead = bytesReceived;
bytesAvailable = 0;
}
}
else if (bytesAvailable >= 7)
{
state.packet = state.packet.Concat(state.buffer.Skip(bytesRead).Take(7)).ToArray();
bytesRead += 7;
bytesAvailable -= 7;
}
else
{
state.packet = state.packet.Concat(state.buffer.Skip(bytesRead).Take(bytesAvailable)).ToArray();
bytesRead = bytesReceived;
bytesAvailable = 0;
}
}
}
}
public static void DecryptPacket(Socket socket, ClientState state, byte[] packet)
{
int messageId = BitConverter.ToInt32(new byte[2].Concat(packet.Take(2)).Reverse().ToArray(), 0);
int payloadLength = BitConverter.ToInt32(new byte[1].Concat(packet.Skip(2).Take(3)).Reverse().ToArray(), 0);
int unknown = BitConverter.ToInt32(new byte[2].Concat(packet.Skip(2).Skip(3).Take(2)).Reverse().ToArray(), 0);
byte[] cipherText = packet.Skip(2).Skip(3).Skip(2).ToArray();
byte[] plainText;
if (messageId == 20100)
{
plainText = cipherText;
}
else if (messageId == 20103)
{
byte[] nonce = GenericHash.Hash(state.nonce.Concat(state.clientKey.PublicKey).Concat(state.serverKey).ToArray(), null, 24);
plainText = PublicKeyBox.Open(cipherText, nonce, state.clientKey.PrivateKey, state.serverKey);
state.serverState.nonce = plainText.Take(24).ToArray();
state.serverState.sharedKey = plainText.Skip(24).Take(32).ToArray();
plainText = plainText.Skip(24).Skip(32).ToArray();
}
else if (messageId == 20104)
{
byte[] nonce = GenericHash.Hash(state.nonce.Concat(state.clientKey.PublicKey).Concat(state.serverKey).ToArray(), null, 24);
plainText = PublicKeyBox.Open(cipherText, nonce, state.clientKey.PrivateKey, state.serverKey);
state.serverState.nonce = plainText.Take(24).ToArray();
state.serverState.sharedKey = plainText.Skip(24).Take(32).ToArray();
plainText = plainText.Skip(24).Skip(32).ToArray();
}
else
{
state.serverState.nonce = Utilities.Increment(Utilities.Increment(state.serverState.nonce));
plainText = SecretBox.Open(new byte[16].Concat(cipherText).ToArray(), state.serverState.nonce, state.serverState.sharedKey);
}
if (messageId == 24715)
{
using (PacketReader _Reader = new PacketReader(new MemoryStream(plainText)))
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.Write("[COC]");
Console.ForegroundColor = ConsoleColor.Magenta;
Console.Write("[ GLOBAL_CHAT ] ");
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("'" + _Reader.ReadString() + " ' from '" + _Reader.ReadString() + "'.");
Console.ResetColor();
}
ServerCrypto.EncryptPacket(state.serverState.socket, state.serverState, messageId, unknown, plainText);
}
else if (messageId == 24114)
{
using (PacketReader _Reader = new PacketReader(new MemoryStream(plainText)))
{
Console.WriteLine(_Reader.ReadCompressedString());
}
ServerCrypto.EncryptPacket(state.serverState.socket, state.serverState, messageId, unknown, plainText);
}
else if (messageId == 20106)
{
using (PacketReader _Reader = new PacketReader(new MemoryStream(plainText)))
{
Console.WriteLine(_Reader.ReadInt64()); // player id
Console.WriteLine(_Reader.ReadByte()); // 0 = revert back, 1 = sent;
Console.WriteLine(BitConverter.ToString(_Reader.ReadBytes()).Replace("-", ""));
}
ServerCrypto.EncryptPacket(state.serverState.socket, state.serverState, messageId, unknown, plainText);
}
else if (messageId == 24335)
{
using (PacketReader _Reader = new PacketReader(new MemoryStream(plainText)))
{
Console.WriteLine("War State: " + _Reader.ReadInt32());
Console.WriteLine("Time Left: " + _Reader.ReadInt32());
Console.WriteLine("Alliance ID: " + _Reader.ReadInt64());
Console.WriteLine("Alliance Name: " + _Reader.ReadString());
Console.WriteLine("Alliance Badge Data: " + _Reader.ReadInt32());
Console.WriteLine("Alliance Level: " + _Reader.ReadInt32());
Console.WriteLine("War Members: " + _Reader.ReadInt64());
for (int i = 1; i < 2; i++)
{
Console.WriteLine("PL" + i + " Alliance ID : " + _Reader.ReadInt64());
Console.WriteLine("PL" + i + " Player ID : " + _Reader.ReadInt64());
Console.WriteLine("PL" + i + " Home ID : " + _Reader.ReadInt64());
Console.WriteLine("PL" + i + " Name : " + _Reader.ReadString());
Console.WriteLine("PL" + i + " Stars : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Damage : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Unknown : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Attack Used : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Got Attacked: " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Gold Gain : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Elixir Gain : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " DElixir Gain: " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Gold A. : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Elixir A. : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " DElixir A. : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Unknown : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Offences Weight: " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Defenses Weight: " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Unknown : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " TH Level : " + (_Reader.ReadInt32() + 1));
Console.WriteLine("PL" + i + " Unknown : " + _Reader.ReadInt32());
Console.WriteLine("PL" + i + " Unknown : " + BitConverter.ToString(_Reader.ReadBytes()).Replace("-", ""));
}
}
ServerCrypto.EncryptPacket(state.serverState.socket, state.serverState, messageId, unknown, plainText);
}
else if (messageId == 20103)
{
using (PacketReader _Reader = new PacketReader(new MemoryStream(plainText)))
{
Console.WriteLine("Error Code : " + _Reader.ReadInt32());
Console.WriteLine("Fingerprint Data: " + _Reader.ReadString());
Console.WriteLine("Redirect URL : " + _Reader.ReadString());
Console.WriteLine("Patch URL : " + _Reader.ReadString());
Console.WriteLine("Update URL : " + _Reader.ReadString());
Console.WriteLine("Reason : " + _Reader.ReadInt32());
Console.WriteLine("Remaining Time : " + _Reader.ReadInt32());
}
ServerCrypto.EncryptPacket(state.serverState.socket, state.serverState, messageId, unknown, plainText);
}
else if (messageId == 24310)
{
using (PacketReader _Reader = new PacketReader(new MemoryStream(plainText)))
{
Console.WriteLine("Search String : " + _Reader.ReadString());
int Count = _Reader.ReadInt32();
Console.WriteLine("Count: " + Count);
for (int i = 0; i < Count; i++)
{
Console.WriteLine("Alliance ID : " + _Reader.ReadInt64());
Console.WriteLine("Alliance Name : " + _Reader.ReadString());
Console.WriteLine("Alliance Badge : " + _Reader.ReadInt32());
Console.WriteLine("Alliance Type : " + _Reader.ReadInt32());
Console.WriteLine("Alliance M Count: " + _Reader.ReadInt32());
Console.WriteLine("Alliance Score : " + _Reader.ReadInt32());
Console.WriteLine("Alliance R Score: " + _Reader.ReadInt32());
Console.WriteLine("Alliance W Wars : " + _Reader.ReadInt32());
Console.WriteLine("Alliance L Wars : " + _Reader.ReadInt32());
Console.WriteLine("Alliance D Wars : " + _Reader.ReadInt32());
Console.WriteLine("Alliance Region : " + _Reader.ReadInt32());
Console.WriteLine("Alliance War F : " + _Reader.ReadInt32());
Console.WriteLine("Alliance Orgin : " + _Reader.ReadInt32());
Console.WriteLine("Alliance Exp : " + _Reader.ReadInt32());
Console.WriteLine("Alliance Level : " + _Reader.ReadInt32());
Console.WriteLine("Unknown : " + _Reader.ReadInt32());
Console.WriteLine("Unknown : " + _Reader.ReadInt32());
Console.WriteLine("War Log Public : " + _Reader.ReadInt32());
Console.WriteLine("Friendly War : " + _Reader.ReadInt32());
}
}
ServerCrypto.EncryptPacket(state.serverState.socket, state.serverState, messageId, unknown, plainText);
}
else
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.Write("[COC]");
Console.ForegroundColor = ConsoleColor.Magenta;
Console.Write("[SERVER_PACKET]");
Console.ResetColor();
Console.WriteLine(" {0} ", PacketInfos.GetPacketName(messageId));
string packetid = PacketInfos.GetPacketName(messageId);
string path = "Packets/" + packetid + ".txt";
using (StreamWriter sw = new StreamWriter(path, true))
{
sw.WriteLine();
sw.WriteLine(Utilities.BinaryToHex(plainText).ToUpper());
}
ServerCrypto.EncryptPacket(state.serverState.socket, state.serverState, messageId, unknown, plainText);
}
}
