public IpSnifferWinPcap(string filter)
{
_filter = filter;
BufferSize = 8192*1024;
_devices = WinPcapDeviceList.New();
//BasicTeraData.LogError(string.Join("\r\n",_devices.Select(x=>x.Description)),true,true);
//check for winpcap installed if not - exception to fallback to rawsockets
_devices = null;
}
private void PacketCapture_Load(object sender, EventArgs e)
{
try
{
this.promiscuousCheckbox.Enabled = true;
this.StopCaptureButton.Enabled = false;
this.AmberPicture.Visible = true;
this.GreenPicture.Visible = false;
this.RedPicture.Visible = false;
this.updater = this.UpdateUI;
this.stopUpdater = this.PcapStopped;
this.devices = WinPcapDeviceList.Instance;
foreach (WinPcapDevice device in this.devices)
{
this.comboBox1.Items.Add(device.Description);
}
if (this.devices.Count > 0) this.comboBox1.SelectedIndex = 1;
this.webBrowser1.DocumentStream = new MemoryStream(Encoding.Default.GetBytes(Resources.Filtering));
}
catch (Exception exc)
{
this.Enabled = false;
if (exc is BadImageFormatException)
{
Log.Info("Terminals packet capture is not configured to work with this system (Bad Image Format Exception)", exc);
MessageBox.Show("Terminals packet capture is not configured to work with this system (Bad Image Format Exception)", AssemblyInfo.Title, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else if (exc is DllNotFoundException)
{
Log.Info("Network.Pcap.PacketCapture_Info2", exc);
if (
MessageBox.Show(
"It appears that WinPcap is not installed. In order to use this feature within Terminals you must first install that product. " +
"Do you wish to visit the download location right now?",
"Download WinPcap?", MessageBoxButtons.OKCancel) ==
DialogResult.OK)
{
Process.Start("http://www.winpcap.org/install/default.htm");
}
}
else
{
Log.Info("Network.Pcap.PacketCapture_Info3", exc);
}
}
this.PacketCapture_Resize(null, null);
}
private void Finish()
{
Debug.Assert(_devices != null);
foreach (var device in _devices.Where(device => device.Opened))
{
device.StopCapture();
device.Close();
}
_devices = null;
}
private void Start()
{
Debug.Assert(_devices == null);
_devices = WinPcapDeviceList.New();
var interestingDevices = _devices;
foreach (var device in interestingDevices)
{
device.OnPacketArrival += device_OnPacketArrival;
device.Open(DeviceMode.Promiscuous, 1000);
device.Filter = _filter;
device.StartCapture();
}
}
private void Finish()
{
return;
foreach (var device in _devices.Where(device => device.Opened))
{
device.StopCapture();
device.Close();
}
_devices = null;
}
public Packet(WinPcapDeviceList Devices, int Num)
{
devices = Devices;
num = Num;
}
private void Start()
{
Debug.Assert(_devices == null);
try
{
_devices = WinPcapDeviceList.New();
}
catch (DllNotFoundException ex)
{
throw new NetworkSniffingException("WinPcap is not installed", ex);
}
var interestingDevices = _devices.Where(IsInteresting);
foreach (var device in interestingDevices)
{
device.OnPacketArrival += device_OnPacketArrival;
device.Open(DeviceMode.Promiscuous, 1000);
device.Filter = _filter;
if (BufferSize != null)
device.KernelBufferSize = (uint)BufferSize.Value;
device.StartCapture();
}
}
public AdapterSelectionForm()
{
InitializeComponent();
_devices = WinPcapDeviceList.Instance;
LoadAdapters();
}
private void Start()
{
Debug.Assert(_devices == null);
_devices = WinPcapDeviceList.New();
var interestingDevices = _devices.Where(IsInteresting);
foreach (var device in interestingDevices)
{
device.OnPacketArrival += device_OnPacketArrival;
device.Open(DeviceMode.Promiscuous, 1000);
device.Filter = _filter;
if (BufferSize != null)
{
try
{
device.KernelBufferSize = (uint) BufferSize.Value;
}
catch (Exception e)
{
Logger.Warn($"Failed to set KernelBufferSize to {BufferSize.Value} on {device.Name}. {e.Message}");
}
}
device.StartCapture();
}
}
private void Finish()
{
Debug.Assert(_devices != null);
foreach (var device in _devices.Where(device => device.Opened))
{
try
{
device.StopCapture();
}
catch
{
// ignored
}
//SharpPcap.PcapException: captureThread was aborted after 00:00:02 - it's normal when there is no traffic while stopping
device.Close();
}
_devices = null;
}
private bool loadCaptureDeviceList()
{
try
{
capture_devices = LibPcapLiveDeviceList.Instance;
if (System.Environment.OSVersion.Platform == PlatformID.Win32NT)
capture_devices_win = WinPcapDeviceList.Instance;
}
catch (Exception)
{
xbs_messages.addInfoMessage("!! ERROR while getting Pcap capture device list.", xbs_message_sender.GENERAL, xbs_message_type.FATAL_ERROR);
}
return (capture_devices.Count > 0);
}
private void Start()
{
Debug.Assert(_devices == null);
_devices = WinPcapDeviceList.New();
var interestingDevices = _devices.Where(IsInteresting);
foreach (var device in interestingDevices)
{
device.OnPacketArrival += device_OnPacketArrival;
device.Open(DeviceMode.Promiscuous, 1000);
device.Filter = _filter;
if (BufferSize != null)
device.KernelBufferSize = (uint)BufferSize.Value;
device.StartCapture();
}
}
