示例#1
0
        private void RemoteRead(IAsyncResult ar)
        {
            NetworkStream stream   = (ar.AsyncState as Tuple <NetworkStream, PacketBuffer>).Item1;
            PacketBuffer  buffer   = (ar.AsyncState as Tuple <NetworkStream, PacketBuffer>).Item2;
            bool          isClient = stream == _clientStream;
            RC4Cipher     cipher   = isClient ? _clientReceiveState : _serverReceiveState;

            bool success = PluginUtils.ProtectedInvoke(() =>
            {
                if (!stream.CanRead)
                {
                    return;
                }
                int read;
                try
                {
                    read = stream.EndRead(ar);
                }
                catch { return; }

                buffer.Advance(read);

                if (read == 0)
                {
                    Dispose();
                    return;
                }
                else if (buffer.Index == 4)
                {   // We have the first four bytes, resize the client buffer
                    int len = IPAddress.NetworkToHostOrder(
                        BitConverter.ToInt32(buffer.Bytes, 0));
                    if (len == 1014001516) //known issue
                    {
                        throw new Exception("Invalid Buffer Size Problem: Try joining a non-proxy server then switching to the proxy server again. More info: https://www.mpgh.net/forum/showthread.php?t=1196439");
                    }

                    buffer.Resize(len);
                    BeginRead(buffer.Index, buffer.BytesRemaining(), isClient);
                }
                else if (buffer.BytesRemaining() > 0)
                {   // Awaiting the rest of the packet
                    BeginRead(buffer.Index, buffer.BytesRemaining(), isClient);
                }
                else
                {   // We have the full packet
                    cipher.Cipher(buffer.Bytes);
                    Packet packet = Packet.Create(buffer.Bytes);

                    if (isClient)
                    {
                        _proxy.FireClientPacket(this, packet);
                    }
                    else
                    {
                        _proxy.FireServerPacket(this, packet);
                    }

                    if (packet.Send)
                    {
                        Send(packet, !isClient);
                    }

                    buffer.Reset();
                    BeginRead(0, 4, isClient);
                }
            }, "RemoteRead (isClient = " + isClient + ")", typeof(IOException));

            if (!success)
            {
                Dispose();
            }
        }
示例#2
0
        private void RemoteRead(IAsyncResult ar)
        {
            NetworkStream stream   = (ar.AsyncState as Tuple <NetworkStream, PacketBuffer>).Item1;
            PacketBuffer  buffer   = (ar.AsyncState as Tuple <NetworkStream, PacketBuffer>).Item2;
            bool          isClient = stream == _clientStream;
            RC4Cipher     cipher   = isClient ? _clientReceiveState : _serverReceiveState;

            bool success = PluginUtils.ProtectedInvoke(() =>
            {
                if (!stream.CanRead)
                {
                    return;
                }
                int read;
                try
                {
                    read = stream.EndRead(ar);
                }
                catch { return; }

                buffer.Advance(read);

                if (read == 0)
                {
                    Dispose();
                    return;
                }
                else if (buffer.Index == 4)
                {   // We have the first four bytes, resize the client buffer
                    buffer.Resize(IPAddress.NetworkToHostOrder(
                                      BitConverter.ToInt32(buffer.Bytes, 0)));
                    BeginRead(buffer.Index, buffer.BytesRemaining(), isClient);
                }
                else if (buffer.BytesRemaining() > 0)
                {   // Awaiting the rest of the packet
                    BeginRead(buffer.Index, buffer.BytesRemaining(), isClient);
                }
                else
                {   // We have the full packet
                    cipher.Cipher(buffer.Bytes);
                    byte[] temp = (byte[])buffer.Bytes.Clone();
                    if (_proxy.IsHooked((PacketType)buffer.Bytes[4]))
                    {
                        temp = null;                                               //If a packet isn't hooked then just send the raw data (no packet processing). Helps with broken/missing packet types.
                    }
                    Packet packet = Packet.Create(buffer.Bytes);

                    if (isClient)
                    {
                        _proxy.FireClientPacket(this, packet);
                    }
                    else
                    {
                        _proxy.FireServerPacket(this, packet);
                    }

                    if (packet.Send)
                    {
                        Send(packet, !isClient, temp);
                    }

                    buffer.Reset();
                    BeginRead(0, 4, isClient);
                }
            }, "RemoteRead (isClient = " + isClient + ")", typeof(IOException));

            if (!success)
            {
                Dispose();
            }
        }
示例#3
0
文件: Client.cs 项目: RS-HC/KRelay
        private void RemoteRead(IAsyncResult ar)
        {
            NetworkStream stream   = (ar.AsyncState as Tuple <NetworkStream, PacketBuffer>).Item1;
            PacketBuffer  buffer   = (ar.AsyncState as Tuple <NetworkStream, PacketBuffer>).Item2;
            bool          isClient = stream == _clientStream;
            RC4Cipher     cipher   = isClient ? _clientReceiveState : _serverReceiveState;

            bool success = PluginUtils.ProtectedInvoke(() =>
            {
                if (!stream.CanRead)
                {
                    return;
                }
                int read;
                try
                {
                    read = stream.EndRead(ar);
                }
                catch { return; }

                buffer.Advance(read);

                if (read == 0)
                {
                    Dispose();
                    return;
                }
                else if (buffer.Index == 4)
                {
                    buffer.Resize(IPAddress.NetworkToHostOrder(
                                      BitConverter.ToInt32(buffer.Bytes, 0)));
                    BeginRead(buffer.Index, buffer.BytesRemaining(), isClient);
                }
                else if (buffer.BytesRemaining() > 0)
                {
                    BeginRead(buffer.Index, buffer.BytesRemaining(), isClient);
                }
                else
                {
                    cipher.Cipher(buffer.Bytes);
                    Packet packet = Packet.Create(buffer.Bytes);

                    if (isClient)
                    {
                        _proxy.FireClientPacket(this, packet);
                    }
                    else
                    {
                        _proxy.FireServerPacket(this, packet);
                    }

                    if (packet.Send)
                    {
                        Send(packet, !isClient);
                    }

                    buffer.Reset();
                    BeginRead(0, 4, isClient);
                }
            }, "RemoteRead (isClient = " + isClient + ")", typeof(IOException));

            if (!success)
            {
                Dispose();
            }
        }