public PortScanner(
string host, int portStart, int portStop,
int timeout, DataGridView Gview, ToolStripProgressBar CurrentPortCount,
Form t, Button button1)
{
this.host = host;
portList = new PortList(portStart, portStop);
tcpTimeout = timeout;
view = Gview;
this.CurrentPortCount = CurrentPortCount;
f = t;
this.button1 = button1;
}
private static void HostThreadWorker(List <IPAddress> list, int nrOfHosts, int nrOfThreads,
int i, MutexClass m)
{
int totalNrOfHosts = list.Count;
int counter = 0;
IPAddress ipAddrScanned = new IPAddress(0);
PortList portListing = new PortList(1, 600);
Cde cdeobj = new Cde();
cdeobj._countdownEvent = new CountdownEvent(nrOfThreads);
while ((i + counter) <= (totalNrOfHosts - 1))
{
{
ipAddrScanned = list[i + counter];
portListing = new PortList(1, 65535);
cdeobj = new Cde();
cdeobj._countdownEvent = new CountdownEvent(nrOfThreads);
m._mutex.WaitOne();
try
{
counter += nrOfHosts;
}
finally
{
m._mutex.ReleaseMutex();
}
}
string str = string.Concat("Machine ", ipAddrScanned, " is being scanned");
Console.WriteLine(str);
str.WriteDebug();
for (int j = 0; j < nrOfThreads; j++)
{
int k = j;
IPAddress ip = ipAddrScanned;
PortList p = portListing;
Cde cdevent = cdeobj;
var portThread =
new Thread(() => PortThreadWorker(ip, k, cdevent, p));
portThread.Start();
}
cdeobj._countdownEvent.Wait();
}
}
private static void PortThreadWorker(IPAddress ipAddrScannned, int j,
Cde cdeevent, PortList portListing)
{
TcpClient tcpClientobj = new TcpClient();
UdpClient udpClientobj = new UdpClient();
Mutex mut = new Mutex();
int port = 1;
while (port != -1)
{
mut.WaitOne();
try
{
port = portListing.getNext();
}
finally
{
mut.ReleaseMutex();
}
try
{
tcpClientobj = new TcpClient(ipAddrScannned.ToString(), port);
udpClientobj = new UdpClient(ipAddrScannned.ToString(), port);
}
catch
{
continue;
}
finally
{
try
{
tcpClientobj.Close();
udpClientobj.Close();
}
catch
{
}
}
string s = string.Concat("Port ", port, " is open on machine ", ipAddrScannned);
Console.WriteLine(s);
s.WriteDebug();
}
cdeevent._countdownEvent.Signal();
}
public PortScanner(string host, int portStart, int portStop, ILog log)
{
this._host = host;
this._portList = new PortList(portStart, portStop);
this._log = log;
}
public PortScanner(string host, int portStart, int portStop)
{
this.host = host;
this.portList = new PortList(portStart, portStop);
}