public JCaptureDevice GatherNetworkDeviceInfo()
{
CaptureDeviceList devices = CaptureDeviceHelpers.FindCaptureDevices();
foreach (var dev in devices)
{
string deviceDescription = dev.ToString().Replace(" ", "");
string deviceIpAddress = NetworkRegularExpressions.GetIpAddressString(deviceDescription);
//Select the NIC
if (IPHelpers.IpIsInOurSubnet(deviceIpAddress))
{
string macAddress = NetworkRegularExpressions.GetMatchString(deviceDescription);
JCaptureDevice jDev = new JCaptureDevice
{
CaptureDevice = dev,
OurIpAddress = IPHelpers.GetIpAddress(deviceDescription),
GatewayIpAddess = IPHelpers.GetGatewayIp(deviceDescription),
SubnetMask = IPHelpers.GetNetMask(deviceDescription),
OurMacAddress = new PhysicalAddress(macAddress.Split(':').Select(x => Convert.ToByte(x, 16)).ToArray())
};
return(jDev);
}
}
return(null);
}
private void device_OnPacketArrival(object sender, CaptureEventArgs packet)
{
Packet packetOuter = Packet.ParsePacket(packet.Packet.LinkLayerType, packet.Packet.Data);
ARPPacket arpPacket = ARPPacket.GetEncapsulated(packetOuter);
if (CaptureDeviceHelpers.CheckIfArpReplyIsForUs(arpPacket, _ipsInSubnet, _onlineClients))
{
_onlineClients.Add(new Target
{
Ip = arpPacket.SenderProtocolAddress.ToString(),
Mac = arpPacket.SenderHardwareAddress.ToString()
});
}
}
