Exemplo n.º 1
0
        internal void clientFormatDataResponse()
        {
            RdpPacket packet = new RdpPacket();

            packet.WriteLittleEndian16((short)MsgType.CB_FORMAT_DATA_RESPONSE);
            packet.WriteLittleEndian16((short)MsgFlags.CB_RESPONSE_OK);
            packet.WriteLittleEndian32(520 + 76 + FourButesAlignLen); // length

            // cItems
            packet.WriteLittleEndian32(1); // 1 файл в списке файлов буфера обмена

            // File Descriptor
            packet.WriteLittleEndian32((int)(FD_FLAGS.FD_ATTRIBUTES));
            packet.WritePadding(32);                        // Padding 32
            packet.WriteLittleEndian32((int)(FILE_ATTRIBUTE.FILE_ATTRIBUTE_NORMAL));
            packet.WritePadding(16);                        // Padding 16
            packet.WriteLittleEndian64(DateTime.Now.Ticks); // lastWriteTime
            packet.WriteLittleEndianU32((uint)FileSizeHigh);
            packet.WriteLittleEndianU32((uint)FileSizeLow);

            // Формируем строку, содержащую нулевой байт после каждого символа
            string tempStr = "";

            foreach (var ch in FileName)
            {
                tempStr += ch + "\0";
            }

            // Получаем байты строки
            var bytes = ASCIIEncoding.GetBytes(tempStr, false).ToList();

            if (bytes.Count > 520)
            {
                packet.Write(bytes.ToArray(), 0, 520);
            }
            else
            {
                int endPos = 520 - bytes.Count;

                for (int i = 0; i < endPos; i++)
                {
                    bytes.Add(0x00);
                }

                packet.Write(bytes.ToArray(), 0, bytes.Count);
            }

            packet.WritePadding(FourButesAlign); // Add four bytes

            send(packet);
        }
Exemplo n.º 2
0
        internal static void send_request(byte[] client_random, byte[] rsa_data, byte[] username, byte[] host)
        {
            int       num    = 0x80;
            int       num2   = (username.Length == 0) ? 0 : (username.Length + 1);
            int       num3   = (host.Length == 0) ? 0 : (host.Length + 1);
            int       num4   = (0x80 + num2) + num3;
            RdpPacket packet = new RdpPacket();

            packet.WriteLittleEndian32(num);
            packet.WriteByte(0x13);
            packet.WriteByte(2);
            packet.WriteLittleEndian16((short)num4);
            packet.WriteLittleEndian32(1);
            packet.WriteLittleEndianU32(0xff010000);
            packet.Write(client_random, 0, 0x20);
            packet.WriteLittleEndian16((short)0);
            packet.WriteLittleEndian16((short)(Secure.modulus_size + 8));
            packet.Write(rsa_data, 0, Secure.modulus_size);
            packet.Position += 8L;
            packet.WriteLittleEndian16((short)15);
            packet.WriteLittleEndian16((short)num2);

            if (num2 != 0)
            {
                packet.Write(username, 0, num2 - 1);
                packet.WriteByte(0);
            }

            packet.WriteLittleEndian16((short)0x10);
            packet.WriteLittleEndian16((short)num3);

            if (num3 != 0)
            {
                packet.Write(host, 0, num3 - 1);
                packet.WriteByte(0);
            }

            IsoLayer.SendMCS(packet, MCS.MSC_GLOBAL_CHANNEL);
        }
Exemplo n.º 3
0
        /// <summary>
        /// Client Info PDU
        /// </summary>
        private static RdpPacket getLoginInfo(string domain, string username, string password, string command, string directory, bool bAutoReconnect)
        {
            int num1 = 2 * "127.0.0.1".Length;
            int num2 = 2 * @"C:\WINNT\System32\mstscax.dll".Length;
            int num3 = 2 * domain.Length;
            int num4 = 2 * username.Length;
            int num5 = 2 * password.Length;
            int num6 = 2 * command.Length;
            int num7 = 2 * directory.Length;

            //int num8 = 0x213b;

            int num8 = (int)(
                ClientInfoFlags.INFO_AUTOLOGON |
                ClientInfoFlags.INFO_DISABLECTRLALTDEL |
                ClientInfoFlags.INFO_LOGONERRORS |
                ClientInfoFlags.INFO_LOGONNOTIFY |
                ClientInfoFlags.INFO_ENABLEWINDOWSKEY |
                ClientInfoFlags.INFO_MOUSE |
                ClientInfoFlags.INFO_NOAUDIOPLAYBACK |
                ClientInfoFlags.INFO_UNICODE);

            RdpPacket packet = new RdpPacket();

            packet.WriteLittleEndian32(0);
            packet.WriteLittleEndian32(num8);
            packet.WriteLittleEndian16((short)num3);
            packet.WriteLittleEndian16((short)num4);

            if ((num8 & 8) != 0)
            {
                packet.WriteLittleEndian16((short)num5);
            }
            else
            {
                packet.WriteLittleEndian16((short)0);
            }

            packet.WriteLittleEndian16((short)num6);
            packet.WriteLittleEndian16((short)num7);

            if (0 < num3)
            {
                packet.WriteUnicodeString(domain);
            }
            else
            {
                packet.WriteLittleEndian16((short)0);
            }

            packet.WriteUnicodeString(username);

            if ((num8 & 8) != 0)
            {
                packet.WriteUnicodeString(password);
            }
            else
            {
                packet.WriteLittleEndian16((short)0);
            }

            if (0 < num6)
            {
                packet.WriteUnicodeString(command);
            }
            else
            {
                packet.WriteLittleEndian16((short)0);
            }

            if (0 < num7)
            {
                packet.WriteUnicodeString(directory);
            }
            else
            {
                packet.WriteLittleEndian16((short)0);
            }

            packet.WriteLittleEndian16((short)2);
            packet.WriteLittleEndian16((short)(num1 + 2));
            packet.WriteUnicodeString("127.0.0.1");
            packet.WriteLittleEndian16((short)(num2 + 2));
            packet.WriteUnicodeString(@"C:\WINNT\System32\mstscax.dll");
            TimeZoneInfo info = TimeZoneInfo.Local;

            packet.WriteLittleEndian32((int)info.BaseUtcOffset.TotalMinutes);
            packet.WriteUnicodeString(info.StandardName);
            packet.Position += 0x3e - (2 * info.StandardName.Length);

            if (info.SupportsDaylightSavingTime)
            {
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((ushort)10);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)30);
                packet.WriteLittleEndian16((short)2);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian32(0);
            }
            else
            {
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian32(0);
            }

            packet.WriteUnicodeString(info.DaylightName);
            packet.Position += 0x3e - (2 * info.DaylightName.Length);

            if (info.SupportsDaylightSavingTime)
            {
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((ushort)3);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0x1b);
                packet.WriteLittleEndian16((short)1);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian32((int)(info.BaseUtcOffset.TotalMinutes + 1.0));
            }
            else
            {
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian16((short)0);
                packet.WriteLittleEndian32(0);
            }

            packet.WriteLittleEndianU32(0);
            PerformanceFlags flags = (PerformanceFlags)0;

            if (!Options.IsHostFlagSet(HostFlags.DesktopBackground))
            {
                flags |= PerformanceFlags.PERF_DISABLE_WALLPAPER;
            }

            if (Options.IsHostFlagSet(HostFlags.FontSmoothing))
            {
                flags |= PerformanceFlags.PERF_ENABLE_FONT_SMOOTHING;
            }

            if (Options.IsHostFlagSet(HostFlags.DesktopComposition))
            {
                flags |= PerformanceFlags.PERF_ENABLE_DESKTOP_COMPOSITION;
            }

            if (!Options.IsHostFlagSet(HostFlags.ShowWindowContents))
            {
                flags |= PerformanceFlags.PERF_DISABLE_FULLWINDOWDRAG;
            }

            if (!Options.IsHostFlagSet(HostFlags.MenuAnimation))
            {
                flags |= PerformanceFlags.PERF_DISABLE_MENUANIMATIONS;
            }

            if (!Options.IsHostFlagSet(HostFlags.VisualStyles))
            {
                flags |= PerformanceFlags.PERF_DISABLE_THEMING;
            }

            packet.WriteLittleEndian32((int)flags);

            if (bAutoReconnect)
            {
                packet.WriteLittleEndian32(0x1c);
                packet.WriteLittleEndian32(0x1c);
                packet.WriteLittleEndian32(1);
                packet.WriteLittleEndian32(Options.LogonID);
                HMACT64 hmact = new HMACT64(Options.ReconnectCookie);
                hmact.update(Secure.GetClentRandom());
                byte[] buffer = hmact.digest();
                packet.Write(buffer, 0, buffer.Length);
                return(packet);
            }

            packet.WriteLittleEndian32(0);

            return(packet);
        }