//Thread listener;
public void listen()
{
try
{
//��ȡ������ַ
string hostName = Dns.GetHostName();
IPAddress hostAddr = (IPAddress)Dns.GetHostByName(hostName).AddressList[0];
string myAddr = hostAddr.ToString();
socket = new RawSocket();
socket.CreateAndBindSocket(myAddr);
if (socket.ErrorOccurred)
{
//MessageBox.Show("�������ִ���");
UpdateTBResult(ui, "�������ִ���\r\n");
return;
}
socket.KeepRunning = true;
socket.PacketArrival += socket_PacketArrival;
socket.Run();
}
catch// (Exception ex)
{
//Console.WriteLine(ex);
//throw;
}
finally
{
//Console.Read();
//socket.Shutdown();
}
}
/// <summary>
/// ��ȡ��
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public void TcpSyn_PacketArrival(object sender, RawSocket.PacketArrivedEventArgs args)
{
if (args.Protocol == "TCP" && args.OriginationAddress == aimAddr)
{
//�������ݰ�
byte[] revMsg = args.ReceiveBuffer;
byte flag = revMsg[33];
ushort port = BitConverter.ToUInt16(revMsg, 20);
byte[] rport = BitConverter.GetBytes(port);
Array.Reverse(rport);
port = BitConverter.ToUInt16(rport, 0);
if (flag == 0x0012)
{
Updateportlist1(ui,port);
success = true;
#region ������յ�SYN|ACK������һ��RST�źŹر�����
IPAddress ipAddr = IPAddress.Parse(aimAddr);
IPEndPoint iep = new IPEndPoint(ipAddr, Convert.ToInt32(port));
Random rand = new Random();
uint ip = BitConverter.ToUInt32(ipAddr.GetAddressBytes(), 0);
syn rstSock = new syn(ip, port, iep, rand, Convert.ToByte(0x04));
rstSock.synFS();
#endregion
}
if (Scanner.finishPort == System.Math.Abs(endPort - startPort + 1) || rSocket.ErrorOccurred || rSocket.KeepRunning == false )
{
UpdateTBResult(ui, "Finish!\r\n");
rSocket.Shutdown();
UpdateBtnStart(ui, true);
}
}
}
public void socket_PacketArrival(object sender, RawSocket.PacketArrivedEventArgs args)
{
if (args.Protocol == "TCP" && args.OriginationAddress == aimAddr)
{
//�������ݰ�
byte[] revMsg = args.ReceiveBuffer;
byte flag = revMsg[33];
ushort port = BitConverter.ToUInt16(revMsg, 20);
byte[] rport = BitConverter.GetBytes(port);
Array.Reverse(rport);
port = BitConverter.ToUInt16(rport, 0);
if (flag == 0x0004 || flag == 0x0014)
{
Updateportlist(ui, port);
}
if (Scanner.finishPort == System.Math.Abs(endPort - startPort + 1))
{
UpdateTBResult(ui, "Finish!\r\n");
socket.Shutdown();
UpdateBtnStart(ui, true);
}
}
}
/// <summary>
/// ���չ���Tcp��
/// </summary>
public void Receive()
{
try
{
//��ȡ������ַ
string hostName = Dns.GetHostName();
IPAddress hostAddr = (IPAddress)Dns.GetHostByName(hostName).AddressList[0];
string myAddr = hostAddr.ToString();
rSocket = new RawSocket();
rSocket.CreateAndBindSocket(myAddr);
if (rSocket.ErrorOccurred)
{
UpdateTBResult(ui, "�����˿ڴ���");
}
rSocket.PacketArrival += TcpSyn_PacketArrival;
rSocket.KeepRunning = true;
rSocket.Run();
}
catch//(Exception ex)
{
//UpdateTBResult(ui, ex.Message.ToString());
}
finally
{
//rSocket.Shutdown();
}
}