public static uint GetSynPacket(byte[] byBuffer, string strSIP, string strDIP, ushort usSPort, ushort usDPort)
{
uint uSeq = 0;
lock (m_rnd) uSeq = (uint)m_rnd.Next();
return(RAWDefine.GetSynPacket(byBuffer, RAWDefine.IPToINT(strSIP), RAWDefine.IPToINT(strDIP), usSPort, usDPort, uSeq));
}
public SYNScanner(int nMaxTask, ProbeConfiger probes, EndPoint bindEndPoint)
{
if (nMaxTask > 60000 || nMaxTask < 1)
{
throw new ArgumentOutOfRangeException("the MaxTask must be between 1 and 30000");
}
m_probes = probes;
if (bindEndPoint == null)
{
foreach (var v in Dns.GetHostAddresses(Dns.GetHostName()))
{
if (v.IsIPv6LinkLocal || v.IsIPv6Multicast || v.IsIPv6SiteLocal)
{
continue;
}
bindEndPoint = new IPEndPoint(v, 0);
}
}
m_rnd = new Random();
m_dic_uid = new Dictionary <uint, SYNScanTaskInfo>();// new Dictionary<uint, uint>();
m_dic_task_running = new Dictionary <uint, SYNScanTaskInfo>();
m_tcp_scanner = new TCPScanner(nMaxTask, probes);
m_tcp_scanner.Completed += new ScanEventHandler(m_tcp_Completed);
m_sock_bind = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
m_sock_bind.Bind(bindEndPoint);
bindEndPoint = m_sock_bind.LocalEndPoint;
m_strLocalIP = bindEndPoint.ToString().Split(':')[0];
m_uLocalIP = RAWDefine.IPToINT(m_strLocalIP);
m_nLocalPort = ushort.Parse(bindEndPoint.ToString().Split(':')[1]);
m_se = new Semaphore(nMaxTask, nMaxTask);
m_sock_raw = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.IP);
m_sock_raw.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.HeaderIncluded, true);
m_sock_raw.Bind(bindEndPoint);
m_sock_raw.IOControl(IOControlCode.ReceiveAll, new byte[] { 1, 0, 0, 0 }, null);
m_que_task = new Queue <SYNScanTaskInfo>();
m_que_sae = new Queue <SocketAsyncEventArgs>();
for (int i = 0; i < nMaxTask; i++)
{
SYNScanTaskInfo ti = new SYNScanTaskInfo();
ti.TaskID = (uint)((i + 1) << 8);
ti.SYNPacket = new byte[40];
m_que_task.Enqueue(ti);
}
SocketAsyncEventArgs sae = new SocketAsyncEventArgs();
sae.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
sae.SetBuffer(new byte[65535], 0, 65535);
sae.UserToken = m_sock_raw;
if (!m_sock_raw.ReceiveAsync(sae))
{
IOProcessPool.QueueWork(this.ProcessRecv, sae);
}
m_thread_timeout = new Thread(this.CheckTimeout);
m_thread_timeout.IsBackground = true;
m_thread_timeout.Start();
}
public static uint IPToINT(string strIP)
{
return(RAWDefine.IPToINT(strIP, false));
}
public static uint GetSynPacket(byte[] byBuffer, string strSIP, string strDIP, ushort usSPort, ushort usDPort, uint uSeq)
{
return(RAWDefine.GetSynPacket(byBuffer, RAWDefine.IPToINT(strSIP), RAWDefine.IPToINT(strDIP), usSPort, usDPort, uSeq));
}
public static byte[] GetSynPacket(string strSIP, string strDIP, ushort usSPort, ushort usDPort)
{
return(RAWDefine.GetSynPacket(RAWDefine.IPToINT(strSIP), RAWDefine.IPToINT(strDIP), usSPort, usDPort));
}
