Esempio n. 1
0
        protected override async Task HandleConnection(TcpClient client)
        {
            // Create our stream reader & writer
            NetworkStream stream = client.GetStream();
            BinaryReader  reader = new BinaryReader(stream);
            BinaryWriter  writer = new BinaryWriter(stream);

            Logger.Info("Accepted connection!");

            // Read the RSConnectionReason
            byte connectionReason = reader.ReadByte();

            // Handle the connection based on the RSConnectionReason
            switch ((RSConnectionReason)connectionReason)
            {
            case RSConnectionReason.Login:
                Logger.Verbose("Login request");

                // Read the initial handshake
                LoginHandshakeRequest handshakeRequest;
                handshakeRequest.UserNameHash = reader.ReadByte();

                // Write our response and send it to the client
                LoginHandshakeResponse handshakeResponse = new LoginHandshakeResponse(RSLoginResponseCode.ExchangeInformation, 110);
                BinaryUtilities.WriteStructure <LoginHandshakeResponse>(writer, handshakeResponse);
                writer.Flush();

                // Read the actual login request
                LoginDataRequest dataRequest;
                dataRequest.ConnectionStatus = reader.ReadByte();
                dataRequest.Size1            = reader.ReadByte();
                dataRequest.Magic1           = reader.ReadByte();
                dataRequest.ProtocolVersion  = IPAddress.NetworkToHostOrder(reader.ReadInt16());
                dataRequest.ClientVersion    = reader.ReadByte();

                dataRequest.CRC = new int[9];
                for (int i = 0; i < dataRequest.CRC.Length; i++)
                {
                    dataRequest.CRC[i] = IPAddress.NetworkToHostOrder(reader.ReadInt32());
                }

                dataRequest.Size2            = reader.ReadByte();
                dataRequest.Magic2           = reader.ReadByte();
                dataRequest.ClientSessionKey = IPAddress.NetworkToHostOrder(reader.ReadInt64());
                dataRequest.ServerSessionKey = IPAddress.NetworkToHostOrder(reader.ReadInt64());
                dataRequest.UserID           = IPAddress.NetworkToHostOrder(reader.ReadInt32());
                dataRequest.UserName         = BinaryUtilities.ReadRSString(reader);
                dataRequest.Password         = BinaryUtilities.ReadRSString(reader);

                Logger.Info($"Username: {dataRequest.UserName}");
                Logger.Info($"Password: {dataRequest.Password}");

                break;

            default:
                int printableReason = connectionReason;
                Logger.Error($"Unknown RSConnectionReason: {printableReason.ToString()}");
                break;
            }
        }