internal void ApplyNewKey(Mazing mazeHandshake, byte[] key, byte[] salt)
{
mazeHandshake.ApplyKey(this.HeaderEncryption, key);
mazeHandshake.ApplyKey(this.HeaderEncryption, salt);
mazeHandshake.ApplyKey(this.PayloadEncryption, key);
mazeHandshake.ApplyKey(this.PayloadEncryption, salt);
mazeHandshake.ApplyKey(this.EncAES, key);
mazeHandshake.ApplyKey(this.EncAES, salt);
}
public override void ProcessPayload(SSPClient client, OperationalSocket OpSocket)
{
SSPClient _client = client as SSPClient;
if (_client != null)
{
byte[] responseData = new byte[0];
MazeErrorCode errorCode = MazeErrorCode.Error;
Mazing mazeHandshake = _client.IsServerSided ? _client.serverHS : _client.clientHS;
if (mazeHandshake == null)
{
//error could occur on a unexpected disconnect
client.Connection.HandShakeCompleted = false;
client.Connection.HandshakeSync.Pulse();
return;
}
errorCode = mazeHandshake.onReceiveData(Data, ref responseData);
if (errorCode != MazeErrorCode.Finished && errorCode != MazeErrorCode.Success && client.TimingConfiguration.Enable_Timing)
{
//something went wrong, annoy the attacker
Thread.Sleep(client.TimingConfiguration.Authentication_WrongPassword);
}
if (responseData.Length > 0)
{
client.Connection.SendMessage(new MsgHandshake(responseData), new SystemHeader());
}
if (client == null || client.Connection == null || client.Connection.HandshakeSync == null)
{
//error could occur on a unexpected disconnect
return;
}
client.Connection.HandshakeSync.Value = errorCode;
if (errorCode != MazeErrorCode.Finished && errorCode != MazeErrorCode.Success)
{
client.Connection.HandshakeSync.Pulse();
}
else if (errorCode == MazeErrorCode.Finished)
{
//let's tell it's completed and apply the new key
client.Connection.ApplyNewKey(mazeHandshake, mazeHandshake.FinalKey, mazeHandshake.FinalSalt);
if (_client.IsServerSided)
{
if (mazeHandshake as ServerMaze != null)
{
client.Username = (mazeHandshake as ServerMaze).Username;
}
client.Connection.HandShakeCompleted = true;
/*try
* {
* client.onBeforeConnect();
* }
* catch (Exception ex)
* {
* SysLogger.Log(ex.Message, SysLogType.Error);
* client.onException(ex, ErrorType.UserLand);
* return; //don't send that we're ready since we're clearly not at this point
* }*/
client.Connection.SendMessage(new MsgInitOk(), new SystemHeader());
try
{
client.onConnect();
}
catch (Exception ex)
{
SysLogger.Log(ex.Message, SysLogType.Error);
client.onException(ex, ErrorType.UserLand);
return; //don't send that we're ready since we're clearly not at this point
}
}
else
{
client.Connection.HandShakeCompleted = true;
client.Connection.HandshakeSync.Pulse();
}
}
}
}