コード例 #1
0
        /// <exception cref="System.IO.IOException"></exception>
        private void Negotiate(int port, ServerMessageBlock resp)
        {
            lock (Sbuf)
            {
                if (port == 139)
                {
                    Ssn139();
                }
                else
                {
                    if (port == -1)
                    {
                        port = SmbConstants.DefaultPort;
                    }
                    // 445
                    Socket = new SocketEx(AddressFamily.InterNetwork,
                                          SocketType.Stream,
                                          ProtocolType.Tcp);

                    //TCPローカルポートは、毎回空いているものを使う。
                    //https://blogs.msdn.microsoft.com/dgorti/2005/09/18/only-one-usage-of-each-socket-address-protocolnetwork-addressport-is-normally-permitted/
                    Socket.Bind(new IPEndPoint(LocalAddr, 0));

                    Socket.Connect(new IPEndPoint(IPAddress.Parse(Address.GetHostAddress()),
                                                  port), // <- 445
                                   SmbConstants.ConnTimeout);

                    Socket.SoTimeOut = SmbConstants.SoTimeout;
                    Out = Socket.GetOutputStream();
                    In  = Socket.GetInputStream();
                }
                if (++Mid == 32000)
                {
                    Mid = 1;
                }
                NegotiateRequest.Mid = Mid;
                int n = NegotiateRequest.Encode(Sbuf, 4);
                Encdec.Enc_uint32be(n & 0xFFFF, Sbuf, 0);
                if (Log.Level >= 4)
                {
                    Log.WriteLine(NegotiateRequest);
                    if (Log.Level >= 6)
                    {
                        Hexdump.ToHexdump(Log, Sbuf, 4, n);
                    }
                }
                Out.Write(Sbuf, 0, 4 + n);
                Out.Flush();
                if (PeekKey() == null)
                {
                    throw new IOException("transport closed in negotiate");
                }
                int size = Encdec.Dec_uint16be(Sbuf, 2) & 0xFFFF;
                if (size < 33 || (4 + size) > Sbuf.Length)
                {
                    throw new IOException("Invalid payload size: " + size);
                }
                Readn(In, Sbuf, 4 + 32, size - 32);
                resp.Decode(Sbuf, 4);
                if (Log.Level >= 4)
                {
                    Log.WriteLine(resp);
                    if (Log.Level >= 6)
                    {
                        Hexdump.ToHexdump(Log, Sbuf, 4, n);
                    }
                }
            }
        }
コード例 #2
0
ファイル: SmbTransport.cs プロジェクト: mematrix/WinRTCifs
        /// <exception cref="System.IO.IOException"></exception>
        private void Negotiate(int port, ServerMessageBlock resp)
        {
            lock (Sbuf)
            {
                if (port == 139)
                {
                    Ssn139();
                }
                else
                {
                    if (port == -1)
                    {
                        port = SmbConstants.DefaultPort;
                    }
                    // 445
                    Socket = new SocketEx(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                    if (LocalAddr != null)
                    {
                        Socket.Bind2(new IPEndPoint(LocalAddr, LocalPort));
                    }

                    Socket.Connect(Address.GetHostAddress(), port);
                    //Socket.Connect(new IPEndPoint(IPAddress.Parse(Address.GetHostAddress()), port), SmbConstants.ConnTimeout);
                    Socket.SoTimeOut = SmbConstants.SoTimeout;
                    Out = Socket.GetOutputStream();
                    In  = Socket.GetInputStream();
                }
                if (++Mid == 32000)
                {
                    Mid = 1;
                }
                NegotiateRequest.Mid = Mid;
                int n = NegotiateRequest.Encode(Sbuf, 4);
                Encdec.Enc_uint32be(n & 0xFFFF, Sbuf, 0);
                if (Log.Level >= 4)
                {
                    Log.WriteLine(NegotiateRequest);
                    if (Log.Level >= 6)
                    {
                        Hexdump.ToHexdump(Log, Sbuf, 4, n);
                    }
                }
                Out.Write(Sbuf, 0, 4 + n);
                Out.Flush();
                if (PeekKey() == null)
                {
                    throw new IOException("transport closed in negotiate");
                }
                int size = Encdec.Dec_uint16be(Sbuf, 2) & 0xFFFF;
                if (size < 33 || (4 + size) > Sbuf.Length)
                {
                    throw new IOException("Invalid payload size: " + size);
                }
                Readn(In, Sbuf, 4 + 32, size - 32);
                resp.Decode(Sbuf, 4);
                if (Log.Level >= 4)
                {
                    Log.WriteLine(resp);
                    if (Log.Level >= 6)
                    {
                        Hexdump.ToHexdump(Log, Sbuf, 4, n);
                    }
                }
            }
        }
コード例 #3
0
        /// <exception cref="System.IO.IOException"></exception>
        internal virtual void Ssn139()
        {
            Name calledName = new Name(Address.FirstCalledName(), 0x20, null);

            do
            {
                Socket = new SocketEx(AddressFamily.InterNetwork,
                                      SocketType.Stream,
                                      ProtocolType.Tcp);

                //TCPローカルポートは、毎回空いているものを使う。
                //https://blogs.msdn.microsoft.com/dgorti/2005/09/18/only-one-usage-of-each-socket-address-protocolnetwork-addressport-is-normally-permitted/
                Socket.Bind(new IPEndPoint(LocalAddr, 0));

                Socket.Connect(new IPEndPoint(IPAddress.Parse(Address.GetHostAddress()),
                                              139),
                               SmbConstants.ConnTimeout);

                Socket.SoTimeOut = SmbConstants.SoTimeout;

                Out = Socket.GetOutputStream();
                In  = Socket.GetInputStream();
                SessionServicePacket ssp = new SessionRequestPacket(calledName,
                                                                    NbtAddress.GetLocalName());
                Out.Write(Sbuf, 0, ssp.WriteWireFormat(Sbuf, 0));
                if (Readn(In, Sbuf, 0, 4) < 4)
                {
                    try
                    {
                        //Socket.`Close` method deleted
                        //Socket.Close();
                        Socket.Dispose();
                    }
                    catch (IOException)
                    {
                    }
                    throw new SmbException("EOF during NetBIOS session request");
                }
                switch (Sbuf[0] & 0xFF)
                {
                case SessionServicePacket.PositiveSessionResponse:
                {
                    if (Log.Level >= 4)
                    {
                        Log.WriteLine("session established ok with " + Address);
                    }
                    return;
                }

                case SessionServicePacket.NegativeSessionResponse:
                {
                    int errorCode = In.Read() & 0xFF;
                    switch (errorCode)
                    {
                    case NbtException.CalledNotPresent:
                    case NbtException.NotListeningCalled:
                    {
                        //Socket.`Close` method deleted
                        //Socket.Close();
                        Socket.Dispose();
                        break;
                    }

                    default:
                    {
                        Disconnect(true);
                        throw new NbtException(NbtException.ErrSsnSrvc,
                                               errorCode);
                    }
                    }
                    break;
                }

                case -1:
                {
                    Disconnect(true);
                    throw new NbtException(NbtException.ErrSsnSrvc,
                                           NbtException.ConnectionRefused);
                }

                default:
                {
                    Disconnect(true);
                    throw new NbtException(NbtException.ErrSsnSrvc, 0);
                }
                }
            }while ((calledName.name = Address.NextCalledName()) != null);
            throw new IOException("Failed to establish session with " + Address);
        }
コード例 #4
0
ファイル: SmbTransport.cs プロジェクト: mematrix/WinRTCifs
        /// <exception cref="System.IO.IOException"></exception>
        internal virtual void Ssn139()
        {
            Name calledName = new Name(Address.FirstCalledName(), 0x20, null
                                       );

            do
            {
                Socket = new SocketEx(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                if (LocalAddr != null)
                {
                    Socket.Bind2(new IPEndPoint(LocalAddr, LocalPort));
                }
                Socket.Connect(Address.GetHostAddress(), 139);
                //Socket.Connect(new IPEndPoint(IPAddress.Parse(Address.GetHostAddress()), 139), SmbConstants.ConnTimeout);
                Socket.SoTimeOut = SmbConstants.SoTimeout;

                Out = Socket.GetOutputStream();
                In  = Socket.GetInputStream();
                SessionServicePacket ssp = new SessionRequestPacket(calledName, NbtAddress.GetLocalName
                                                                        ());
                Out.Write(Sbuf, 0, ssp.WriteWireFormat(Sbuf, 0));
                if (Readn(In, Sbuf, 0, 4) < 4)
                {
                    try
                    {
                        Socket.Dispose();
                    }
                    catch (IOException)
                    {
                    }
                    throw new SmbException("EOF during NetBIOS session request");
                }
                switch (Sbuf[0] & 0xFF)
                {
                case SessionServicePacket.PositiveSessionResponse:
                {
                    if (Log.Level >= 4)
                    {
                        Log.WriteLine("session established ok with " + Address);
                    }
                    return;
                }

                case SessionServicePacket.NegativeSessionResponse:
                {
                    int errorCode = In.Read() & 0xFF;
                    switch (errorCode)
                    {
                    case NbtException.CalledNotPresent:
                    case NbtException.NotListeningCalled:
                    {
                        Socket.Dispose();
                        break;
                    }

                    default:
                    {
                        Disconnect(true);
                        throw new NbtException(NbtException.ErrSsnSrvc, errorCode);
                    }
                    }
                    break;
                }

                case -1:
                {
                    Disconnect(true);
                    throw new NbtException(NbtException.ErrSsnSrvc, NbtException.ConnectionRefused
                                           );
                }

                default:
                {
                    Disconnect(true);
                    throw new NbtException(NbtException.ErrSsnSrvc, 0);
                }
                }
            }while ((calledName.name = Address.NextCalledName()) != null);
            throw new IOException("Failed to establish session with " + Address);
        }