/// <summary>
/// Retrieve a list of the current PcapDevices
/// </summary>
/// <returns>
/// A <see cref="List<LibPcapLiveDevice>"/>
/// </returns>
private static List <LibPcapLiveDevice> GetDevices()
{
var deviceList = new List <LibPcapLiveDevice>();
var devicePtr = IntPtr.Zero;
var errorBuffer = new StringBuilder(Pcap.PCAP_ERRBUF_SIZE);
int result = LibPcapSafeNativeMethods.pcap_findalldevs(ref devicePtr, errorBuffer);
if (result < 0)
{
throw new PcapException(errorBuffer.ToString());
}
IntPtr nextDevPtr = devicePtr;
while (nextDevPtr != IntPtr.Zero)
{
// Marshal pointer into a struct
PcapUnmanagedStructures.pcap_if pcap_if_unmanaged =
(PcapUnmanagedStructures.pcap_if)Marshal.PtrToStructure(nextDevPtr,
typeof(PcapUnmanagedStructures.pcap_if));
PcapInterface pcap_if = new PcapInterface(pcap_if_unmanaged);
deviceList.Add(new LibPcapLiveDevice(pcap_if));
nextDevPtr = pcap_if_unmanaged.Next;
}
LibPcapSafeNativeMethods.pcap_freealldevs(devicePtr); // Free unmanaged memory allocation.
return(deviceList);
}
static public IReadOnlyList <PcapInterface> GetAllPcapInterfaces(string source, RemoteAuthentication credentials)
{
var devicePtr = IntPtr.Zero;
var errorBuffer = new StringBuilder(Pcap.PCAP_ERRBUF_SIZE);
var auth = RemoteAuthentication.CreateAuth(credentials);
try
{
var result = LibPcapSafeNativeMethods.pcap_findalldevs_ex(source, ref auth, ref devicePtr, errorBuffer);
if (result < 0)
{
throw new PcapException(errorBuffer.ToString());
}
}
catch (TypeLoadException ex)
{
throw new PlatformNotSupportedException(
"Operation is not supported on this platform.",
ex
);
}
var pcapInterfaces = GetAllPcapInterfaces(devicePtr, credentials);
// Free unmanaged memory allocation
LibPcapSafeNativeMethods.pcap_freealldevs(devicePtr);
return(pcapInterfaces);
}
static public IReadOnlyList <PcapInterface> GetAllPcapInterfaces()
{
var devicePtr = IntPtr.Zero;
var errorBuffer = new StringBuilder(Pcap.PCAP_ERRBUF_SIZE);
int result = LibPcapSafeNativeMethods.pcap_findalldevs(ref devicePtr, errorBuffer);
if (result < 0)
{
throw new PcapException(errorBuffer.ToString());
}
var pcapInterfaces = GetAllPcapInterfaces(devicePtr, null);
// Free unmanaged memory allocation
LibPcapSafeNativeMethods.pcap_freealldevs(devicePtr);
return(pcapInterfaces);
}
/// <summary>
/// Retrieve a list of the current PcapDevices
/// </summary>
/// <returns>
/// A <see cref="List<LibPcapLiveDevice>"/>
/// </returns>
private static List <LibPcapLiveDevice> GetDevices()
{
var deviceList = new List <LibPcapLiveDevice>();
var devicePtr = IntPtr.Zero;
var errorBuffer = new StringBuilder(Pcap.PCAP_ERRBUF_SIZE);
int result = LibPcapSafeNativeMethods.pcap_findalldevs(ref devicePtr, errorBuffer);
if (result < 0)
{
throw new PcapException(errorBuffer.ToString());
}
foreach (var pcap_if in PcapInterface.GetAllPcapInterfaces(devicePtr))
{
deviceList.Add(new LibPcapLiveDevice(pcap_if));
}
LibPcapSafeNativeMethods.pcap_freealldevs(devicePtr); // Free unmanaged memory allocation.
return(deviceList);
}