/// <summary>
/// Get all adapters in the system.
///
/// For the NDIS_MEDIUM enumeration: 0 - NdisMedium802_3; 16 - NdisMediumNative802_11
/// </summary>
/// <returns></returns>
private List <NM_NIC_ADAPTER_INFO> GetAdapters()
{
uint errno;
uint adapterCnt;
List <NM_NIC_ADAPTER_INFO> adapters = new List <NM_NIC_ADAPTER_INFO>();
if (this.captureEngineHandle != IntPtr.Zero)
{
errno = NetmonAPI.NmGetAdapterCount(this.captureEngineHandle, out adapterCnt);
if (errno == 0)
{
for (uint i = 0; i < adapterCnt; i++)
{
NM_NIC_ADAPTER_INFO adapterInfo = new NM_NIC_ADAPTER_INFO();
adapterInfo.Size = (ushort)System.Runtime.InteropServices.Marshal.SizeOf(typeof(NM_NIC_ADAPTER_INFO));
errno = NetmonAPI.NmGetAdapter(this.captureEngineHandle, i, ref adapterInfo);
if (errno == 0)
{
//Only take Ethernet or 802.11 wireless adapters.
if (adapterInfo.MediaType == 0 || (uint)adapterInfo.MediaType == 16)
{
adapters.Add(adapterInfo);
}
}
else
{
throw new Exception("NmGetAdapter() failed. Error=" + errno);
}
}
}
}
return(adapters);
}
public void Test()
{
bool isElevated;
WindowsIdentity identity = WindowsIdentity.GetCurrent();
WindowsPrincipal principal = new WindowsPrincipal(identity);
isElevated = principal.IsInRole(WindowsBuiltInRole.Administrator);
Console.WriteLine($"Elevated permissions: {isElevated}");
capHandler = new CaptureCallbackDelegate(CapHandlerCallback);
uint ret;
IntPtr myCapEng;
ret = NetmonAPI.NmOpenCaptureEngine(out myCapEng);
if (ret != 0)
{
Console.WriteLine("Error {0}\n", ret);
}
else
{
uint AdptCount;
ret = NetmonAPI.NmGetAdapterCount(myCapEng, out AdptCount);
if (ret != 0)
{
NetmonAPI.NmCloseHandle(myCapEng);
Console.WriteLine("Error {0}\n", ret);
}
else
{
// Creates a capture file which will store the last 10MB of traffic captured
ret = NetmonAPI.NmCreateCaptureFile(this.filename, 10000000, NmCaptureFileFlag.WrapAround, out this.capFile, out this.size);
if (ret != 0)
{
Console.Write("Error Creating File");
}
Console.WriteLine($"Adapters avalable: {AdptCount}");
for (uint i = 0; i < AdptCount; i++)
{
ret = NetmonAPI.NmConfigAdapter(myCapEng, i, capHandler, IntPtr.Zero, NmCaptureCallbackExitMode.ReturnRemainFrames);
if (ret != 0)
{
Console.WriteLine("Could not config {0}, error {1}", i, ret);
}
else
{
Console.WriteLine("Configured Adpt {0}", i);
}
ret = NetmonAPI.NmStartCapture(myCapEng, i, NmCaptureMode.Promiscuous);
if (ret != 0)
{
Console.WriteLine("Could not Start Capture on {0}, error {1}", i, ret);
}
else
{
Console.WriteLine("Started Adpt {0}", i);
}
}
System.Threading.Thread.Sleep(5000);
for (uint i = 0; i < AdptCount; i++)
{
ret = NetmonAPI.NmConfigAdapter(myCapEng, i, capHandler, IntPtr.Zero, NmCaptureCallbackExitMode.ReturnRemainFrames);
if (ret != 0)
{
Console.WriteLine("Could not config {0}, error {1}", i, ret);
}
else
{
Console.WriteLine("Configured Adpt {0}", i);
}
Console.WriteLine("Starting Adpt {0} again", i);
ret = NetmonAPI.NmStartCapture(myCapEng, i, NmCaptureMode.Promiscuous);
if (ret != 0)
{
Console.WriteLine("Could not Start Capture again on {0}, error {1}", i, ret);
}
else
{
Console.WriteLine("Started Adpt {0} again", i);
}
}
for (uint i = 0; i < AdptCount; i++)
{
ret = NetmonAPI.NmStopCapture(myCapEng, i);
if (ret != 0)
{
Console.WriteLine("Could not Stop Capture on {0}, error {1}", i, ret);
}
else
{
Console.WriteLine("Stopped Adpt {0}", i);
}
}
}
NetmonAPI.NmCloseHandle(myCapEng);
}
}