public CMKey(Octet data)
{
_packetLength = data.UnMarshalByte();
_keyLength = data.UnMarshalByte();
_key = data.UnMarshalBytes(_keyLength);
_unknown = data.UnMarshalByte();
}
private byte[] _hash; // Hashed password
public Login(Octet data)
{
_packetLength = data.UnMarshalByte();
_usernameLength = data.UnMarshalByte();
_username = Encoding.ASCII.GetString(data.UnMarshalBytes(_usernameLength));
_hashLength = data.UnMarshalByte();
_hash = data.UnMarshalBytes(_hashLength);
}
public RoleList(Octet data)
{
_packetLength = data.UnMarshalByte();
_userId = data.UnMarshalInt32();
_unknown1 = data.UnMarshalInt32();
_unknown2 = data.UnMarshalInt32();
}
private void ClearPacketHandler(byte[] recvbuf, int buflen)
{
if (buflen == 0)
{
Console.WriteLine("Client sent empty packet. Disconnecting...");
IsConnected = false;
return;
}
byte[] arrData = new byte[buflen];
Array.Copy(recvbuf, arrData, buflen);
Octet data = new Octet(arrData);
byte packetid = data.UnMarshalByte();
switch (packetid)
{
case (byte)LinkServerPacket.LoginRequest:
Login loginPacket = new Login(data);
_username = loginPacket.Username;
_passwordHash = loginPacket.Hash;
Console.WriteLine("User {0} is trying to login", _username);
string passHash = BitConverter.ToString(_passwordHash).Replace("-", string.Empty);
string dbHashString = _database.GetUserPasswd(_username, passHash);
if (dbHashString.Equals(passHash))
{
SMKey smkeyPacket = new SMKey();
SendReply(smkeyPacket.GetBytes());
_smKey = smkeyPacket.GetSMKey();
HMACMD5 hmacmd5 = new HMACMD5(Encoding.ASCII.GetBytes(_username));
byte[] array = new byte[_passwordHash.Length + _smKey.Length];
_passwordHash.CopyTo(array, 0);
_smKey.CopyTo(array, _passwordHash.Length);
byte[] RC4_C2SKEY = hmacmd5.ComputeHash(array);
C2S_Crypto = new RC4(RC4_C2SKEY);
_isEncrypted = true;
}
else
{
ErrorInfo errorPacket = new ErrorInfo(2);
SendReply(errorPacket.GetBytes());
Console.WriteLine("Login error!");
}
break;
default:
IsConnected = false;
Console.WriteLine("Unknown packet. Disconnecting...");
Console.WriteLine(BitConverter.ToString(recvbuf, 0, buflen));
break;
}
}
private void EncryptedPacketHandler(byte[] recvbuf, int buflen)
{
if (buflen == 0)
{
Console.WriteLine("Client sent empty packet. Disconnecting...");
IsConnected = false;
return;
}
byte[] arrData = new byte[buflen];
Array.Copy(recvbuf, arrData, buflen);
C2S_Crypto.decrypt(arrData);
Octet data = new Octet(arrData);
byte packetid = data.UnMarshalByte();
switch (packetid)
{
case (byte)LinkServerPacket.KeyExchange:
CMKey smkeyPacket = new CMKey(data);
_cmKey = smkeyPacket.GetCMKey();
HMACMD5 hmacmd5 = new HMACMD5(Encoding.ASCII.GetBytes(_username));
byte[] array = new byte[_passwordHash.Length + _cmKey.Length];
_passwordHash.CopyTo(array, 0);
_cmKey.CopyTo(array, _passwordHash.Length);
byte[] RC4_S2CKEY = hmacmd5.ComputeHash(array);
S2C_Crypto = new RC4(RC4_S2CKEY);
_isCompressed = true;
_userId = _database.GetIdByUsername(_username);
OnlineAnnounce announcePacket = new OnlineAnnounce(_userId);
SendReply(announcePacket.GetBytes());
break;
case (byte)LinkServerPacket.RoleList:
RoleList roleListPacket = new RoleList(data);
Console.WriteLine("TODO: Get Roles by ID");
LastLoginInfo loginInfo = new LastLoginInfo(_userId);
SendReply(loginInfo.GetBytes());
//Console.WriteLine("TODO: Iterate over roles and send them");
//// Finally...
//RoleListRe finalRole = new RoleListRe(-1, _userId);
//SendReply(finalRole.GetBytes());
break;
default:
IsConnected = false;
Console.WriteLine("Unknown packet. Disconnecting...");
Console.WriteLine(BitConverter.ToString(arrData, 0, arrData.Length));
break;
}
}