Example #1
0
        /// <summary>
        /// 连接某IP的端口
        /// </summary>
        /// <param name="ip">要连接的ip</param>
        /// <param name="port">要连接的端口</param>
        /// <returns>连上返回true,否则false</returns>
        private bool IsConnet(string ip, int port)
        {
            bool tcpListen = false;
            bool udpListen = false;//设定端口状态标识位

            System.Net.IPAddress  myIpAddress  = System.Net.IPAddress.Parse(ip);
            System.Net.IPEndPoint myIpEndPoint = new System.Net.IPEndPoint(myIpAddress, port);
            try
            {
                System.Net.Sockets.TcpClient tcpClient = new System.Net.Sockets.TcpClient();
                tcpClient.Connect(myIpEndPoint);//对远程计算机的指定端口提出TCP连接请求
                tcpListen = true;
            }
            catch { }
            try
            {
                System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient();
                udpClient.Connect(myIpEndPoint);//对远程计算机的指定端口提出UDP连接请求
                udpListen = true;
            }
            catch { }
            if (tcpListen == false || udpListen == false)
            {
                return(false);
            }
            else
            {
                return(true);
            }
        }
Example #2
0
        static void Main(string[] args)
        {
            var udpClient = new System.Net.Sockets.UdpClient();
            udpClient.Connect(new System.Net.IPEndPoint(System.Net.IPAddress.Parse("127.0.0.1"), 9500));
            udpClient.Send(new byte[] { 1, 0, 0, 0, 8 }, 5);

            Console.ReadLine();
        }
Example #3
0
        static void Main(string[] args)
        {
            var udpClient = new System.Net.Sockets.UdpClient();

            udpClient.Connect(new System.Net.IPEndPoint(System.Net.IPAddress.Parse("127.0.0.1"), 9500));
            udpClient.Send(new byte[] { 1, 0, 0, 0, 8 }, 5);

            Console.ReadLine();
        }
Example #4
0
 private static void send_packet( string data_package )
 {
     var magic_packet = new System.Net.Sockets.UdpClient( );
     try {
         magic_packet.Connect( System.Net.IPAddress.Broadcast, 9 );
         var dgram = hex_string_to_byte( data_package );
         magic_packet.Send( dgram, dgram.Length );
         magic_packet.Close( );
     } catch( Exception e ) {
         MessageBox.Show( string.Format( "Exception while sending packet: {0}", e.Message ) );
     }
 }
Example #5
0
        public static System.Net.Sockets.UdpClient GetUdpSender(string ipAddressString, int port)
        {
            // TODO: Check
            System.Net.IPAddress socketIPAddress = System.Net.IPAddress.Parse(ipAddressString);
            int socketPort = port;

            System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient();
            udpClient.JoinMulticastGroup(socketIPAddress);
            udpClient.Connect(new System.Net.IPEndPoint(socketIPAddress, socketPort));

            return(udpClient);
        }
Example #6
0
 private void _sendMsg(object param)
 {
     byte[] message = (param as byte[]);
     using (System.Net.Sockets.UdpClient client = new System.Net.Sockets.UdpClient())
     {
         client.Connect(IP, Port);
         client.Send(message, message.Length);
         if (Delay != 0)
         {
             Thread.Sleep(Delay);
         }
     }
 }
Example #7
0
 public void Connect(string ipAddress, int sendPort)
 {
     try
     {
         _client = new System.Net.Sockets.UdpClient();
         _server = new IPEndPoint(IPAddress.Parse(ipAddress), sendPort);
         _client.Connect(_server);
     }
     catch (Exception ex)
     {
         Console.WriteLine(ex.ToString());
     }
 }
Example #8
0
        private static void send_packet(string data_package)
        {
            var magic_packet = new System.Net.Sockets.UdpClient( );

            try {
                magic_packet.Connect(System.Net.IPAddress.Broadcast, 9);
                var dgram = hex_string_to_byte(data_package);
                magic_packet.Send(dgram, dgram.Length);
                magic_packet.Close( );
            } catch (Exception e) {
                MessageBox.Show(string.Format("Exception while sending packet: {0}", e.Message));
            }
        }
Example #9
0
        private void UdpPing(string[] vargs)
        {
            string ip   = vargs.Length > 1 ? vargs[1] : "127.0.0.1";
            int    port = vargs.Length > 2 ? int.Parse(vargs[2]) : 8989;

            using (var client = new System.Net.Sockets.UdpClient())
            {
                var ep = new System.Net.IPEndPoint(System.Net.IPAddress.Parse(ip), port); // endpoint where server is listening
                client.Connect(ep);

                // send data
                client.Send(new byte[] { 104, 101, 108, 108, 111, 0 }, 6);
            }
        }
Example #10
0
        private void UPDTest()
        {
            udpClient = new System.Net.Sockets.UdpClient();
            Byte[]     sendBytes = Encoding.ASCII.GetBytes("IN;PU0,0;SP1;PA1000,1000;SP0;NR");
            IPAddress  targetIP  = IPAddress.Parse("10.0.1.27");
            IPEndPoint targetEP  = new IPEndPoint(targetIP, 85);

            try {
                udpClient.Connect(targetEP);
                udpClient.Send(sendBytes, sendBytes.Length);
            } catch (Exception ex) {
                MessageBox.Show(ex.Message, "Fehler!", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
Example #11
0
        public static System.Net.Sockets.UdpClient GetBroadcastSender(System.Net.IPEndPoint clientEndpoint)
        {
            //System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient();
            //udpClient.Client.SetSocketOption(System.Net.Sockets.SocketOptionLevel.Socket, System.Net.Sockets.SocketOptionName.ReuseAddress, true);
            //udpClient.Client.SetSocketOption(System.Net.Sockets.SocketOptionLevel.Socket, System.Net.Sockets.SocketOptionName.Broadcast, true);
            //udpClient.Client.Bind(clientEndpoint);

            System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient();
            udpClient.Client.SetSocketOption(System.Net.Sockets.SocketOptionLevel.Socket, System.Net.Sockets.SocketOptionName.ReuseAddress, true);
            udpClient.Client.SetSocketOption(System.Net.Sockets.SocketOptionLevel.Socket, System.Net.Sockets.SocketOptionName.Broadcast, true);
            udpClient.Connect(clientEndpoint);

            return(udpClient);
        }
Example #12
0
        internal static void SendMagicPacket(byte[] mac)
        {
            var magicPacket =
                Enumerable.Repeat((byte)0xff, 6)
                .Concat(Enumerable.Range(0, 16).SelectMany(i => mac))
                .ToArray();

            Console.WriteLine("Sending magic wake-on-lan packet...");
            using (var udpClient = new System.Net.Sockets.UdpClient())
            {
                udpClient.Connect(System.Net.IPAddress.Broadcast, 7); // Lucky port.
                udpClient.Send(magicPacket, magicPacket.Length);
            }
        }
Example #13
0
        static void Main(string[] args)
        {
            var ip   = System.Net.IPAddress.Parse("127.0.0.1");
            var port = 50002;

            Console.WriteLine("请输入要发送的消息");
            var client = new System.Net.Sockets.UdpClient(System.Net.Sockets.AddressFamily.InterNetwork);

            while (true)
            {
                var msg = Console.ReadLine();
                client.Connect(ip, port);
                var buffer = System.Text.UTF8Encoding.UTF8.GetBytes(msg);
                client.Send(buffer, buffer.Length);
            }
        }
Example #14
0
 public void Start()
 {
     Task.Factory.StartNew(() =>
     {
         var peerAddress = new IPEndPoint(IPAddress.Any, 0);
         replySocket.Connect(Program.ClientIP, 16001);
         while (true)
         {
             var message     = server.Receive(ref peerAddress);
             var inputData   = message.ConvertTo <InputData>();
             var reply       = ServerLogic.Convert(inputData);
             var replyBuffer = ByteArray.CreateFrom(reply);
             replySocket.Send(replyBuffer, replyBuffer.Length);
         }
     });
 }
Example #15
0
        internal static bool IsRCONPortOpen(Gameserver gameserver)
        {
            using (System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient())
            {
                try
                {
                    udpClient.Connect(gameserver.RCON_IP, gameserver.RCON_Port);
                    udpClient.Close();

                    return(true);
                }
                catch (Exception)
                {
                    return(false);
                }
            }
        }
Example #16
0
        System.Net.IPEndPoint remoteEP;   //! endpoint

        /// <summary>
        /// Open Udp socket
        /// </summary>
        /// <param name="remoteHost"></param>
        /// <param name="remotePort"></param>
        /// <param name="localPort"></param>
        /// <returns></returns>
        public int Open(string remoteHost, int remotePort, int localPort)
        {
            remote_host = remoteHost;
            lcl_port    = localPort;
            rmt_port    = remotePort;

            // Create UDP client
            udp = new System.Net.Sockets.UdpClient(lcl_port);

            // Enable Broadcast
            udp.EnableBroadcast = true;

            // Set remote endpoint
            remoteEP = new IPEndPoint(IPAddress.Parse(remote_host), rmt_port);

            udp.Connect(remoteEP);

            return(0);
        }
Example #17
0
        static void Udpsend(string host, int port, string uri, string action)
        {
            var        client = new System.Net.Sockets.UdpClient();
            IPEndPoint ep     = new IPEndPoint(IPAddress.Parse(host), port); // endpoint where server is listening

            client.Connect(ep);

            // send data
            client.Send(new byte[] { 1, 2, 3, 4, 5 }, 5);

            // then receive data
            try
            {
                var receivedData = client.Receive(ref ep);
            }
            catch (System.Net.Sockets.SocketException e) {
                Console.WriteLine("Exception: {0}", e.Source);
            }
            Console.Write("receive data from " + ep.ToString());

            Console.Read();
        }
Example #18
0
        private void button1_Click(object sender, EventArgs e)
        {
            System.Net.Sockets.UdpClient udpc;
            int ret;
            int a, c;

            byte[] sendbuffer;

            sendbuffer = new byte[1400];
            for (a = 0; a < 100; a++)
            {
                sendbuffer[a] = (byte)(a & 255);
            }
            udpc = new System.Net.Sockets.UdpClient(13455);

            udpc.Connect(tosendaddr.Text, System.Convert.ToInt32(tosendport.Text, 10));
            c = System.Convert.ToInt32(sendcount.Text, 10);
            for (a = 0; a < 1 /*c*/; a++)
            {
                ret = udpc.Send(sendbuffer, 100);
            }
            udpc.Close();
        }
Example #19
0
 private void _sendMsg(object param)
 {
     byte[] message = (param as byte[]);
     using (System.Net.Sockets.UdpClient client = new System.Net.Sockets.UdpClient())
     {
         client.Connect(IP, Port);
         client.Send(message, message.Length);
         if (Delay != 0)
             Thread.Sleep(Delay);
     }
 }
Example #20
0
 public void Connect(IPEndPoint endPoint)
 {
     this.EndPoint = endPoint;
     _snd_socket.Connect(this.EndPoint);
 }
Example #21
0
        private static void DoWork()
        {
            System.Net.Sockets.UdpClient udpc;
            System.Net.Sockets.Socket    sock;
            System.Net.IPEndPoint        ipe;
            System.Net.Sockets.UdpClient udpcs;
            byte[] buffer;
            int[]  receivedblock;
            int[]  differ;
            int    a, c;
            int    timeout;
            uint   sequence_number, sequence_number_next0, sequence_number_next1;
            int    expected;

            System.IO.FileStream fil;
            byte[] sendbuffer;
            uint   received_sequence_number, received_packet_number;

            fil = null;
            if (save_data == 1)
            {
                fil = new System.IO.FileStream("packets.bin", System.IO.FileMode.Create); //,System.IO.FileAccess.Write,System.IO.FileShare.Read,8*1024*1024,System.IO.FileOptions.WriteThrough);
            }
            buffer = new byte[1600];
            differ = new int[257];
            udpc   = new System.Net.Sockets.UdpClient(receive_port);
            ipe    = new System.Net.IPEndPoint(System.Net.IPAddress.Any, 0);

            receivedblock         = new int[2];
            receivedblock[0]      = receivedblock[1] = receive_count;
            sequence_number       = 0;
            sequence_number_next0 = sequence_number + 1;
            sequence_number_next1 = sequence_number + 2;
            sendbuffer            = new byte[1400];
            for (a = 0; a < 100; a++)
            {
                sendbuffer[a] = (byte)(a & 255);
            }
            sendbuffer[0] = (byte)((receive_count - 1) & 255);
            sendbuffer[1] = (byte)(((receive_count - 1) >> 8) & 255);
            sendbuffer[2] = (byte)((sequence_number) & 255);
            sendbuffer[3] = (byte)(((sequence_number) >> 8) & 255);
            sendbuffer[4] = (byte)(((sequence_number) >> 16) & 255);
            sendbuffer[5] = (byte)(((sequence_number) >> 24) & 255);
            sendbuffer[6] = 0;
            udpcs         = new System.Net.Sockets.UdpClient(13455);
            udpcs.Connect(send_address, send_port);
            //udpcs.Connect("137.204.48.1", 23456);
            //udpc.Connect("10.0.0.194", 23455);
            sock = udpc.Client;
            sock.SetSocketOption(System.Net.Sockets.SocketOptionLevel.Socket, System.Net.Sockets.SocketOptionName.ReceiveBuffer, 4 * 1024 * 1024);
            c        = receive_count;
            first    = 1;
            last     = 0;
            wrap     = 0;
            missing  = 0;
            received = 0;
            recvlast = 0;
            while (true)
            {
                /*receivedblock[0] = receivedblock[1];
                 * receivedblock[1] = receive_count;*/
                sendbuffer[2] = (byte)((sequence_number) & 255);
                sendbuffer[3] = (byte)(((sequence_number) >> 8) & 255);
                sendbuffer[4] = (byte)(((sequence_number) >> 16) & 255);
                sendbuffer[5] = (byte)(((sequence_number) >> 24) & 255);
                a             = udpcs.Send(sendbuffer, 7);
                first         = 1;
                timeout       = 1;
                expected      = 0;
                //while (receivedblock[0] != 0)
                while (expected < receive_count)
                {
                    //if (running == 2)
                    //    break;
                    while (udpc.Available <= 0)
                    {
                        if (timeout > 10000)
                        {
                            break;
                        }
                        if (running > 1)
                        {
                            break;
                        }
                        System.Threading.Thread.Sleep(1);
                        if (first != 1)
                        {
                            timeout++;
                        }
                        if ((timeout % 1000) == 0)
                        {
                            a = udpcs.Send(sendbuffer, 7);
                        }
                    }
                    if (timeout > 10000)
                    {
                        break;
                    }
                    if (running > 1)
                    {
                        break;
                    }
                    timeout = 0;
                    buffer  = udpc.Receive(ref ipe);
                    // primi 32 bit numero blocco
                    received_sequence_number = (uint)buffer[0] + (uint)buffer[1] * 256 + (uint)buffer[2] * 256 * 256 + (uint)buffer[3] * 256 * 256 * 256;
                    // poi 16 bit numero pacchetto
                    received_packet_number = (uint)buffer[4] + (uint)buffer[5] * 256;
                    if (first == 1)
                    {
                        last  = (ulong)received_sequence_number * (ulong)receive_count + (ulong)received_packet_number;
                        first = 0;
                    }
                    else
                    {
                        now = (ulong)received_sequence_number * (ulong)receive_count + (ulong)received_packet_number;
                        if (now >= last)
                        {
                            diff = now - last;
                        }
                        else
                        {
                            diff = 0xffffffffffffffff - last + now + 1;
                            wrap++;
                        }
                        //differ[diff] |= 128;
                        last    = now;
                        missing = missing + diff - 1;
                    }
                    if (received_sequence_number == sequence_number_next0)
                    {
                        if (expected == received_packet_number)
                        {
                            expected++;
                            //fil.Write(buffer, 0, buffer.GetUpperBound(0) + 1);
                        }
                        else
                        {
                            expected = (int)received_packet_number + 1;
                            /*running = 3;*/
                        }
                        /*receivedblock[0]--;*/
                        if (save_data == 1)
                        {
                            fil.Write(buffer, 0, buffer.GetUpperBound(0) + 1);
                        }
                    }
                    else if (received_sequence_number == sequence_number_next1)
                    {
                        break;
                        /*receivedblock[1]--;*/
                        fil.Write(buffer, 0, buffer.GetUpperBound(0) + 1);
                    }/*
                      * else
                      * {
                      * }*/
                    received++;
                }
                if (timeout > 10000)
                {
                    break;
                }
                if (running > 1)
                {
                    break;
                }
                sequence_number++;
                sequence_number_next0++;
                sequence_number_next1++;
            }
            if (running > 1)
            {
                System.Threading.Thread.Sleep(1000);
                while (udpc.Available > 0)
                {
                    buffer = udpc.Receive(ref ipe);
                }
                sendbuffer[6] = 128;
                if (running == 3)
                {
                    sendbuffer[6] |= 64;
                }
                a = udpcs.Send(sendbuffer, 7);
            }
            udpcs.Close();
            udpc.Close();
            if (save_data == 1)
            {
                fil.Close();
            }
        }
Example #22
0
        public bool Start()
        {
            if (cbStarting != null)
                cbStarting(null);

            try
            {
                udp = new System.Net.Sockets.UdpClient();
                udp.Connect(Host, UDPPort);
                Message("UDP connected");
            }
            catch
            {
                Error("Failed to connect");
                udp = null;

                if (cbStopped != null)
                    KeepRunning = cbStopped(null);

                return false;
            }

            try
            {
                com = new System.IO.Ports.SerialPort();
                com.BaudRate = 4800;
                com.Parity = System.IO.Ports.Parity.None;
                com.StopBits = System.IO.Ports.StopBits.One;
                com.DataBits = 8;
                com.ReadBufferSize = 4096;
                com.ReadTimeout = 1500;
                com.PortName = ComPort;
                com.Open();
                Message("COM open");
            }
            catch
            {
                Error("Failed to open com");
                udp = null;
                com = null;

                if (cbStopped != null)
                    cbStopped(null);

                return false;
            }

            if (cbStarted != null)
                cbStarted("");

            KeepRunning = true;
            return true;
        }
Example #23
0
        /// <summary>
        /// Start transmitting messages via UDP.
        /// </summary>
        public void StartTransmitting(string requestor)
        {
            logger.Info("[" + _description + "-M] Starting [req: " + requestor + "]");

            _evtRaiser.RaiseEvent("StatusChangeRequest", "start", Niawa.Utilities.InlineSortedListCreator.CreateStrStr("str:Requestor", requestor), _threadStatus.NodeID, _threadStatus.ParentNodeID);

            //start client
            _stopped = false;

            //attempt lock
            bool tryLock = lockSection.WaitOne(60000);
            if (!tryLock) throw new TimeoutException("[" + _description + "-M] Could not obtain lock while starting [req: " + requestor + "]");

            try
            {
                if (_threadStatus.IsThreadEnabled)
                {
                    logger.Warn("[" + _description + "-M] Could not start: Transmit thread was already active [req: " + requestor + "]");
                }
                else
                {

                    /*v1*/
                    //System.Net.IPEndPoint localEP = new System.Net.IPEndPoint(System.Net.IPAddress.Broadcast, _port);

                    /*v2*/
                    //_netUdpClient = new System.Net.Sockets.UdpClient();
                    //_netUdpClient.ExclusiveAddressUse = false;
                    //_netUdpClient.Client.SetSocketOption(System.Net.Sockets.SocketOptionLevel.Socket, System.Net.Sockets.SocketOptionName.ReuseAddress, true);
                    //_netUdpClient.Client.Bind(_localEP);

                    /*v3*/
                    _netUdpClient = new System.Net.Sockets.UdpClient();
                    _netUdpClient.ExclusiveAddressUse = false;
                    _netUdpClient.Connect(_groupEndpoint);

                    //start thread
                    t1 = new System.Threading.Thread(TransmitThreadImpl);

                    _sendQueue.Clear();
                    _threadStatus.IsThreadEnabled = true;

                    //start UDP client
                    t1.Start();

                    string logDetail = "[" + _description + "-M] Started [req: " + requestor + "]";
                    logger.Info(logDetail);

                    //thread status
                    _threadStatus.Status = Niawa.Threading.ThreadStatus.STATUS_STARTED;

                }

            }
            catch (Exception ex)
            {
                logger.Error("[" + _description + "-M] Error during start transmitting: " + ex.Message, ex);
                throw ex;
            }
            finally
            {
                //release lock
                lockSection.Release();
            }
        }
Example #24
0
        /// <summary>
        /// Resume transmitting messages via UDP.
        /// </summary>
        public void ResumeTransmitting(string requestor)
        {
            logger.Info("[" + _description + "-M] Resuming [req: " + requestor + "]");

            _evtRaiser.RaiseEvent("StatusChangeRequest", "resume", Niawa.Utilities.InlineSortedListCreator.CreateStrStr("str:Requestor", requestor), _threadStatus.NodeID, _threadStatus.ParentNodeID);

            //resume client

            //attempt lock
            bool tryLock = lockSection.WaitOne(60000);
            if (!tryLock) throw new TimeoutException("[" + _description + "-M] Could not obtain lock while resuming [req: " + requestor + "]");

            try
            {

                if (!_threadSuspended)
                {
                    logger.Warn("[" + _description + "-M] Could not resume: transmit thread was not suspended [req: " + requestor + "]");
                }
                else if (!_threadStatus.IsThreadEnabled)
                {
                    logger.Warn("[" + _description + "-M] Could not resume: transmit thread was not active");
                }
                else
                {

                    if (_netUdpClient != null)
                        _netUdpClient.Close();

                    _netUdpClient = null;
                    //_groupEndpoint = null;

                    //initialize UDP client
                    /*v1*/
                    //_netUdpClient = new System.Net.Sockets.UdpClient(_port, System.Net.Sockets.AddressFamily.InterNetwork);
                    //_groupEndpoint = new System.Net.IPEndPoint(System.Net.IPAddress.Broadcast, _port);

                    /*v2*/
                    //_netUdpClient = new System.Net.Sockets.UdpClient();
                    //_netUdpClient.ExclusiveAddressUse = false;
                    //_netUdpClient.Client.SetSocketOption(System.Net.Sockets.SocketOptionLevel.Socket, System.Net.Sockets.SocketOptionName.ReuseAddress, true);
                    //_netUdpClient.Client.Bind(_localEP);

                    /*v3*/
                    _netUdpClient = new System.Net.Sockets.UdpClient();
                    _netUdpClient.ExclusiveAddressUse = false;
                    _netUdpClient.Connect(_groupEndpoint);

                    _threadSuspended = false;

                    string logDetail = "[" + _description + "-M] Resumed [req: " + requestor + "]";
                    logger.Info(logDetail);

                    //thread status
                    _threadStatus.Status = Niawa.Threading.ThreadStatus.STATUS_STARTED;

                }
            }
            catch (Exception ex)
            {
                logger.Error("[" + _description + "-M] Error during resume transmitting: " + ex.Message, ex);
                throw ex;
            }
            finally
            {
                //release lock
                lockSection.Release();
            }
        }
Example #25
0
        public bool Start()
        {
            if (cbStarting != null)
            {
                cbStarting(null);
            }

            try
            {
                udp = new System.Net.Sockets.UdpClient();
                udp.Connect(Host, UDPPort);
                Message("UDP connected");
            }
            catch
            {
                Error("Failed to connect");
                udp = null;

                if (cbStopped != null)
                {
                    KeepRunning = cbStopped(null);
                }

                return(false);
            }

            try
            {
                com                = new System.IO.Ports.SerialPort();
                com.BaudRate       = 4800;
                com.Parity         = System.IO.Ports.Parity.None;
                com.StopBits       = System.IO.Ports.StopBits.One;
                com.DataBits       = 8;
                com.ReadBufferSize = 4096;
                com.ReadTimeout    = 1500;
                com.PortName       = ComPort;
                com.Open();
                Message("COM open");
            }
            catch
            {
                Error("Failed to open com");
                udp = null;
                com = null;

                if (cbStopped != null)
                {
                    cbStopped(null);
                }

                return(false);
            }

            if (cbStarted != null)
            {
                cbStarted("");
            }

            KeepRunning = true;
            return(true);
        }
Example #26
0
        // Method
        public int Authenticate()
        {
            DebugOutput("Shared Secret (S): " + pSSecret);
            DebugOutput("Username: "******"Password: "******" (" + pPassword.Length*8 + " bits)");

            /* Aufbau eines Radius Paketes
             * 0                   1                   2                   3
             * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
             * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
             * |     Code      |  Identifier   |            Length             |
             * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
             * |                                                               |
             * |                         Authenticator                         |
             * |                                                               |
             * |                                                               |
             * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
             * |  Attributes ...
             * +-+-+-+-+-+-+-+-+-+-+-+-+-
             *
             *
             * CODE (1 byte):
             *  The type of the Radius Paket.
             *  Pakets with an invalid code will be discarded.
             *    1 = Access-Request
             *    2 = Access-Accept
             *    3 = Access-Reject
             *   11 = Access-Challenge
             *   12 = Status-Server (exp.)
             *   13 = Status-Client (exp.)
             *  255 = reserved
             *
             * IDENTIFIER (1 byte):
             *  Is the same in Request and Reply.
             *  (Random Number from 1..254)
             *
             * LENGTH (2 byte):
             *  Length of the paket in BYTE over:
             *  Code, Identifier, Length, Authenticator and Attribute(s)
             *  - Bytes which excess the length, will be cut.
             *  - Pakets smaller then the length will be discarded by the server.
             *
             * AUTHENTICATOR (16 byte):
             *  16-byte random number
             *  Used for the encryption of the user-password
             *
             * ATTRIBUTES (dynamic length):
             *  0                   1                   2
             *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0
             * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
             * |      Type     |    Length     |  Value ...
             * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
             *
             *  - User Password = Type 2 (String)
             *  A complete Attribute-List: http://www.freeradius.org/rfc/attributes.html
             *
             * */

            byte pCode   = 1; // Access-Request
            int  pResult = 0;

            Random pRandonNumber = new Random();
            byte   pIdentifier   = Convert.ToByte(pRandonNumber.Next(0, 32000) % 256);

            pClientIdentifier = pIdentifier;
            DebugOutput("Identifier (Radius-Request): " + pClientIdentifier);
            GenerateRA(); //Should be a random number!!!
            DebugOutput("Request Authenticator (RA): " + Utils.ToHexString(pRA));

            // Assemble Attribute User-Name (Type = 1) and put it in the list
            SetAttribute(1, pUsername);

            // Assemble Attribute User-Password (Type = 2) and put it in the list
            SetAttribute(2, Crypto.GeneratePAP_PW(pPassword, pSSecret, pRA));

            // Assemble complete Radius Paket:
            // 1.) Determine the length of the paket (in bytes)
            //     Code, ID & Lenght = 4 Bytes
            //******************************************************************************
            int pAttrLength = 0;

            foreach (RadiusAttribute pCurrAttr in pAttributeList)
            {
                pAttrLength += pCurrAttr.Paket.Length;
            } //foreach (RadiusAttribute pCurrAttr in pAttributeList)

            int pLength = 4 + pRA.Length + pAttrLength;
            //******************************************************************************
            int pOffset = 0;

            // 2.) Creating empty byte Array with the calculated length
            byte[] pRadiusPaket = new byte[pLength];

            // 3.) Copy the paket-parts to the paket
            // 3.1) the Code from pCode
            pRadiusPaket[0] = pCode;

            // 3.2) The identifier from pIdentifier
            pRadiusPaket[1] = pIdentifier;
            pOffset         = 1;

            // 3.3) The paket length (2 Byte)
            // ENDIANESS PROBLEM !!! CAUTION
            byte[] pPacketLen = Utils.intToByteArray(pLength);
            Array.Copy(pPacketLen, 0, pRadiusPaket, pOffset + 1, 2);
            pOffset = pOffset + 2;

            // 3.4) The RA from pRA
            //Array.Copy(System.Text.Encoding.ASCII.GetBytes(pRA), 0, pRadiusPaket, pOffset + 1, pRA.Length);
            Array.Copy(pRA, 0, pRadiusPaket, pOffset + 1, pRA.Length);
            pOffset = pOffset + pRA.Length;

            // 3.5) Add Radius Attributes to Paket
            foreach (RadiusAttribute pCurrAttr in pAttributeList)
            {
                Array.Copy(pCurrAttr.Paket, 0, pRadiusPaket, pOffset + 1, pCurrAttr.Paket.Length);
                pOffset += pCurrAttr.Paket.Length;
            }

            // SENDING THE PAKET TO THE REMOTE RADIUS SERVER
            try
            {
                System.Net.Sockets.UdpClient myRadiusClient = new System.Net.Sockets.UdpClient();
                myRadiusClient.Client.SendTimeout    = pUDPTimeout;
                myRadiusClient.Client.ReceiveTimeout = UDPTimeout;
                DebugOutput("Trying to send the Radius-Request to " + pServer + ":" + pRadiusPort.ToString());

                myRadiusClient.Ttl = UDP_TTL;
                myRadiusClient.Connect(pServer, pRadiusPort);
                myRadiusClient.Send(pRadiusPaket, pRadiusPaket.Length);

                System.Net.IPEndPoint RemoteIpEndPoint = new System.Net.IPEndPoint(System.Net.IPAddress.Any, 0);
                Byte[] receiveBytes = myRadiusClient.Receive(ref RemoteIpEndPoint);

                myRadiusClient.Close();
                pResult = ProcessServerResponse(receiveBytes);
                //DebugOutput("Output by ProcessServerResponse: " + Code2Message(pResult) + " (Code = " + pResult.ToString() + ")");
            }

            catch (Exception e)
            {
                DebugOutput("Exception Error: " + e.ToString());
                pMessage = "Exception Error: " + e.Message;
                SiAuto.Main.LogError(e.Message);
                return(-2);
            }
            return(pResult);
        } //public int Authenticate()
Example #27
0
        unsafe private void btnSend_Click(object sender, EventArgs e)
        {
            int inv_ms = Convert.ToInt32(txtInv.Text);

            byte[] byt;
            int    n = 0;

            byte[] fbyt = new byte[1518];

            if (chkUseWS.Checked)
            {
                IPAddress ipa = ((CbxObjectItem)cbxNic.SelectedItem).ipv4.Addr.ipAddress;

                Array.Resize(ref fbyt, 65535 - (IP_HDR_SIZE + UDP_HDR_SIZE));

                //UdpClientオブジェクトを作成する
                System.Net.Sockets.UdpClient udp =
                    new System.Net.Sockets.UdpClient(
                        new IPEndPoint(ipa, Convert.ToInt16(txtPortL.Text)));

                int   calc_sec  = Convert.ToInt32(txtInv.Text);
                int   mbps_conv = (cbxUnit.SelectedIndex == 0) ? MBPS_CONV1 : MBPS_CONV2;
                ulong rw_old;
                total_cnt       = rw_cnt = rw_old = 0;
                rw_bytes        = new ulong[calc_sec + 3]; /* 初回と最後尾のバッファは作業用 */
                tmMain          = new System.Timers.Timer();
                tmMain.Elapsed += new ElapsedEventHandler(tmMain_Elapsed);
                tmMain.Interval = 1000;

                TaskFactory             tf  = new TaskFactory();
                CancellationTokenSource cts = new CancellationTokenSource();

                long dstip = IPAddress.Parse(txtIPaR.Text).Address;
                udp.Connect(new IPAddress(dstip), Convert.ToInt32(txtPortR.Text));

                /* ARPキャッシュに静的に登録されてなければ登録する */
                int arp_ret = arp_check((int)dstip);
                if (arp_ret != (int)MIB_IPNET_TYPE.STATIC)
                {
                    byt = str2hexs(txtMacR.Text, '-');
                    arp_update((int)dstip, byt, (int)MIB_IPNET_TYPE.STATIC);
                }


                Task tsk = tf.StartNew(() =>
                {
                    for (; ;)
                    {
                        rw_bytes[rw_cnt] += (ulong)udp.Send(fbyt, fbyt.Length);
                        cts.Token.ThrowIfCancellationRequested();   /* キャンセル発行確認 */
                    }
                }, cts.Token);

                txtResS.Clear();

                /* 初回の測定値は捨てる */
                tmMain.Start();
                while (rw_cnt == rw_old)
                {
                    System.Threading.Thread.Sleep(100);
                    System.Windows.Forms.Application.DoEvents();
                }

                /* 2回目以降から測定を開始 (配列の最後尾1つ手前で終了) */
                rw_old = rw_cnt;
                do
                {
                    if (rw_cnt != rw_old)
                    {
                        rw_old = rw_cnt;
                        txtResS.AppendText(string.Format("{0:f3} Mbps/sec" + Environment.NewLine,
                                                         rw_bytes[rw_old - 1] / (double)mbps_conv));
                        txtResS.Refresh();
                    }
                    System.Threading.Thread.Sleep(100);
                    System.Windows.Forms.Application.DoEvents();
                } while (rw_cnt <= (ulong)calc_sec + 1);
                tmMain.Stop();

                try
                {
                    cts.Cancel();       /* 送信終了 */
                }
                catch (AggregateException)
                {
                }
                finally
                {
                    //UdpClientを閉じる
                    udp.Close();

                    /* arpキャッシュから削除する */
                    //if (arp_ret != (int)MIB_IPNET_TYPE.STATIC)
                    {
                        byt = str2hexs(txtMacR.Text, '-');
                        arp_delete((int)dstip, byt, (int)MIB_IPNET_TYPE.STATIC);
                    }
                }
            }
            else
            {
                short framesize = Convert.ToInt16(txtFrasize.Text);

                /*---- Ethernet ヘッダー ---------------------------------*/
                /* ローカルMACアドレス */
                byt = str2hexs(txtMacR.Text, '-');
                Array.Copy(byt, 0, fbyt, n, MAC_ADDR_SIZE);
                n += MAC_ADDR_SIZE;

                /* リモートMACアドレス */
                byt = str2hexs(txtMacL.Text, '-');
                Array.Copy(byt, 0, fbyt, n, MAC_ADDR_SIZE);
                n += MAC_ADDR_SIZE;

                fbyt[n++] = 0x08;
                fbyt[n++] = 0x00;


                /*---- IP ヘッダー ---------------------------------------*/
                fbyt[n++] = 0x45;
                fbyt[n++] = 0x00;
                fixed(byte *wk = &fbyt[n])      /* Length */
                {
                    framesize   -= ETH_HDR_SIZE;
                    *(short *)wk = IPAddress.HostToNetworkOrder((short)framesize);
                }

                n += sizeof(short);
                fixed(byte *wk = &fbyt[n])      /* Identification */
                {
                    *(short *)wk = IPAddress.HostToNetworkOrder((short)1);
                }

                n        += sizeof(short);
                fbyt[n++] = 0x00;               /* Flags */
                fbyt[n++] = 0x00;               /* Fragment offset */
                fbyt[n++] = 0x40;               /* TTL */
                fbyt[n++] = 0x11;               /* Protocol (UDP) */
                fbyt[n++] = 0x00;               /* IP checksum */
                fbyt[n++] = 0x00;

                /* ローカルIPアドレス */
                byt = str2hexs(txtIPaL.Text, '.', true);
                Array.Copy(byt, 0, fbyt, n, IP_ADDR_SIZE);
                n += IP_ADDR_SIZE;

                /* リモートIPアドレス */
                byt = str2hexs(txtIPaR.Text, '.', true);
                Array.Copy(byt, 0, fbyt, n, IP_ADDR_SIZE);
                n += IP_ADDR_SIZE;

                /*---- UDP ヘッダー --------------------------------------*/
                fixed(byte *wk = &fbyt[n])      /* Source Port */
                {
                    *(short *)wk = IPAddress.HostToNetworkOrder((short)Convert.ToUInt16(txtPortL.Text));
                }

                n += sizeof(short);

                fixed(byte *wk = &fbyt[n])      /* Destination Port */
                {
                    *(short *)wk = IPAddress.HostToNetworkOrder((short)Convert.ToUInt16(txtPortR.Text));
                }

                n += sizeof(short);

                fixed(byte *wk = &fbyt[n])      /* Length */
                {
                    framesize   -= IP_HDR_SIZE;
                    *(short *)wk = IPAddress.HostToNetworkOrder((short)framesize);
                }

                n += sizeof(short);

                fbyt[n++] = 0x00;               /* UDP checksum */
                fbyt[n++] = 0x00;

                /* Payload */
                framesize -= UDP_HDR_SIZE;
                n         += framesize;

                Array.Resize(ref fbyt, n);


                /* Update checksum */
                update_ip_csum(fbyt);
                update_udp_csum(fbyt);

                if (cbxCalc.SelectedIndex == 1)
                {                         /* Payload */
                    n -= CALC_DIFF_SIZE2; /* ヘッダ分を引く */
                }

                /*--------------------------------------------------------*/

                int   calc_sec  = Convert.ToInt32(txtInv.Text);
                int   mbps_conv = (cbxUnit.SelectedIndex == 0) ? MBPS_CONV1 : MBPS_CONV2;
                ulong rw_old;
                total_cnt       = rw_cnt = rw_old = 0;
                rw_bytes        = new ulong[calc_sec + 3]; /* 初回と最後尾のバッファは作業用 */
                tmMain          = new System.Timers.Timer();
                tmMain.Elapsed += new ElapsedEventHandler(tmMain_Elapsed);
                tmMain.Interval = 1000;

                TaskFactory             tf  = new TaskFactory();
                CancellationTokenSource cts = new CancellationTokenSource();

                Debug.WriteLine("SelectedIndex : " + cbxNic.SelectedIndex);
                /* SharpPcapデバイスオープン */
                LibPcapLiveDevice dev = LibPcapLiveDeviceList.Instance[cbxNic.SelectedIndex];
                dev.Open();

                Task tsk = tf.StartNew(() =>
                {
                    for (; ;)
                    {
                        dev.SendPacket(fbyt, fbyt.Length);
                        rw_bytes[rw_cnt] += (ulong)n;
                        cts.Token.ThrowIfCancellationRequested();   /* キャンセル発行確認 */
                    }
                }, cts.Token);

                txtResS.Clear();

                /* 初回の測定値は捨てる */
                tmMain.Start();
                while (rw_cnt == rw_old)
                {
                    System.Threading.Thread.Sleep(100);
                    System.Windows.Forms.Application.DoEvents();
                }

                /* 2回目以降から測定を開始 (配列の最後尾1つ手前で終了) */
                rw_old = rw_cnt;
                do
                {
                    if (rw_cnt != rw_old)
                    {
                        rw_old = rw_cnt;
                        txtResS.AppendText(string.Format("{0:f3} Mbps/sec" + Environment.NewLine,
                                                         rw_bytes[rw_old - 1] / (double)mbps_conv));
                        txtResS.Refresh();
                    }
                    System.Threading.Thread.Sleep(100);
                    System.Windows.Forms.Application.DoEvents();
                } while (rw_cnt <= (ulong)calc_sec + 1);
                tmMain.Stop();

                try
                {
                    cts.Cancel();       /* 送信終了 */
                }
                catch (AggregateException)
                {
                }
                finally
                {
                    dev.Close();
                }
            }



#if true
#else
            ///* SharpPcapデバイスオープン */
            //Debug.WriteLine("SelectedIndex : " + cbxNic.SelectedIndex);
            //LibPcapLiveDevice dev = LibPcapLiveDeviceList.Instance[cbxNic.SelectedIndex];
            //dev.Open();
            //dev.NonBlockingMode = true;

            //for (int x = 0; x < inv_ms; x++)
            //{
            //    dev.SendPacket(fbyt, fbyt.Length);
            //}

            //dev.Close();

            Array.Resize(ref fbyt, 65500);


            //UdpClientオブジェクトを作成する
            System.Net.Sockets.UdpClient udp =
                new System.Net.Sockets.UdpClient(new IPEndPoint(IPAddress.Parse("172.16.0.100"), 60000));

            udp.Connect(IPAddress.Parse(txtIPaR.Text), Convert.ToInt32(txtPortR.Text));

            for (int x = 0; x < inv_ms; x++)
            {
                udp.Send(fbyt, fbyt.Length);
            }

            //UdpClientを閉じる
            udp.Close();
#endif
        }
Example #28
0
 public UdpClient()
 {
     server.Connect(Program.ServerIP, 16000);
 }