/* Some examples found here:
* http://stackoverflow.com/questions/2114266/convert-ping-application-to-multithreaded-version-to-increase-speed-c-sharp
*/
private void PingSender_PingCompleted(object sender, PingCompletedEventArgs e)
{
// UserState is the IP Address
var ip = e.UserState.ToString();
var scanHost = new ScanHost(ip);
hostCount++;
Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, $"Tools.PortScan: Scanning {hostCount} of {_ipAddresses.Count} hosts: {scanHost.HostIp}", true);
if (e.Error != null)
{
Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, $"Ping failed to {e.UserState} {Environment.NewLine} {e.Error.Message}", true);
scanHost.ClosedPorts.AddRange(_ports);
scanHost.SetAllProtocols(false);
}
else if (e.Reply.Status == IPStatus.Success)
{
/* ping was successful, try to resolve the hostname */
try
{
scanHost.HostName = Dns.GetHostEntry(scanHost.HostIp).HostName;
}
catch (Exception dnsex)
{
Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, $"Tools.PortScan: Could not resolve {scanHost.HostIp} {Environment.NewLine} {dnsex.Message}", true);
}
if (string.IsNullOrEmpty(scanHost.HostName))
{
scanHost.HostName = scanHost.HostIp;
}
foreach (var port in _ports)
{
bool isPortOpen;
try
{
var tcpClient = new System.Net.Sockets.TcpClient(ip, port);
isPortOpen = true;
scanHost.OpenPorts.Add(port);
tcpClient.Close();
}
catch (Exception)
{
isPortOpen = false;
scanHost.ClosedPorts.Add(port);
}
if (port == ScanHost.SSHPort)
{
scanHost.SSH = isPortOpen;
}
else if (port == ScanHost.TelnetPort)
{
scanHost.Telnet = isPortOpen;
}
else if (port == ScanHost.HTTPPort)
{
scanHost.HTTP = isPortOpen;
}
else if (port == ScanHost.HTTPSPort)
{
scanHost.HTTPS = isPortOpen;
}
else if (port == ScanHost.RloginPort)
{
scanHost.Rlogin = isPortOpen;
}
else if (port == ScanHost.RDPPort)
{
scanHost.RDP = isPortOpen;
}
else if (port == ScanHost.VNCPort)
{
scanHost.VNC = isPortOpen;
}
}
}
else if (e.Reply.Status != IPStatus.Success)
{
Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, $"Ping did not complete to {e.UserState} : {e.Reply.Status}", true);
scanHost.ClosedPorts.AddRange(_ports);
scanHost.SetAllProtocols(false);
}
// cleanup
var p = (Ping)sender;
p.PingCompleted -= PingSender_PingCompleted;
p.Dispose();
var h = string.IsNullOrEmpty(scanHost.HostName) ? "HostNameNotFound" : scanHost.HostName;
Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, $"Tools.PortScan: Scan of {scanHost.HostIp} ({h}) complete.", true);
_scannedHosts.Add(scanHost);
HostScannedEvent?.Invoke(scanHost, hostCount, _ipAddresses.Count);
if (_scannedHosts.Count == _ipAddresses.Count)
{
ScanCompleteEvent?.Invoke(_scannedHosts);
}
}
/* Some examples found here:
* http://stackoverflow.com/questions/2114266/convert-ping-application-to-multithreaded-version-to-increase-speed-c-sharp
*/
private void PingSender_PingCompleted(object sender, PingCompletedEventArgs e)
{
// UserState is the IP Address
var ip = e.UserState.ToString();
ScanHost scanHost = new ScanHost(ip);
hostCount++;
Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, $"Tools.PortScan: Scanning {hostCount} of {_ipAddresses.Count} hosts: {scanHost.HostIp}", true);
if (e.Error != null)
{
Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, $"Ping failed to {e.UserState} {Environment.NewLine} {e.Error.Message}", true);
scanHost.ClosedPorts.AddRange(_ports);
scanHost.SetAllProtocols(false);
}
else if (e.Reply.Status == IPStatus.Success)
{
/* ping was successful, try to resolve the hostname */
try
{
scanHost.HostName = Dns.GetHostEntry(scanHost.HostIp).HostName;
}
catch (Exception dnsex)
{
Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg,
$"Tools.PortScan: Could not resolve {scanHost.HostIp} {Environment.NewLine} {dnsex.Message}",
true);
}
if (string.IsNullOrEmpty(scanHost.HostName))
{
scanHost.HostName = scanHost.HostIp;
}
foreach (int port in _ports)
{
bool isPortOpen;
try
{
System.Net.Sockets.TcpClient tcpClient = new System.Net.Sockets.TcpClient(ip, port);
isPortOpen = true;
scanHost.OpenPorts.Add(port);
tcpClient.Close();
}
catch (Exception)
{
isPortOpen = false;
scanHost.ClosedPorts.Add(port);
}
if (port == ScanHost.SSHPort)
{
scanHost.SSH = isPortOpen;
}
else if (port == ScanHost.TelnetPort)
{
scanHost.Telnet = isPortOpen;
}
else if (port == ScanHost.HTTPPort)
{
scanHost.HTTP = isPortOpen;
}
else if (port == ScanHost.HTTPSPort)
{
scanHost.HTTPS = isPortOpen;
}
else if (port == ScanHost.RloginPort)
{
scanHost.Rlogin = isPortOpen;
}
else if (port == ScanHost.RDPPort)
{
scanHost.RDP = isPortOpen;
}
else if (port == ScanHost.VNCPort)
{
scanHost.VNC = isPortOpen;
}
}
}
else if(e.Reply.Status != IPStatus.Success)
{
Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, $"Ping did not complete to {e.UserState} : {e.Reply.Status}", true);
scanHost.ClosedPorts.AddRange(_ports);
scanHost.SetAllProtocols(false);
}
// cleanup
var p = (Ping)sender;
p.PingCompleted -= PingSender_PingCompleted;
p.Dispose();
var h = string.IsNullOrEmpty(scanHost.HostName) ? "HostNameNotFound" : scanHost.HostName;
Runtime.MessageCollector.AddMessage(MessageClass.InformationMsg, $"Tools.PortScan: Scan of {scanHost.HostIp} ({h}) complete.", true);
_scannedHosts.Add(scanHost);
HostScannedEvent?.Invoke(scanHost, hostCount, _ipAddresses.Count);
if (_scannedHosts.Count == _ipAddresses.Count)
ScanCompleteEvent?.Invoke(_scannedHosts);
}
