/// <summary>
/// Provides the description from the system for the inputted device
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
public String ProvideCaptureDeviceDescription(LivePacketDevice device = null)
{
// if the device is valid
if (device != null)
{
return(LivePacketDeviceExtensions.GetNetworkInterface((LivePacketDevice)device).Description);
}
return("No available Description.");
}
/// <summary>
/// Sends a command through selected network device on layer 1
/// </summary>
/// <param name="cmd">command object</param>
/// <param name="destinationMAC">the Manufacturer Device's MAC address</param>
static void PacketSender(command cmd, string destinationMAC)
{
Console.WriteLine("Select which device to send packet through");
// Retrieve the device list from the local machine
IList <LivePacketDevice> allDevices = LivePacketDevice.AllLocalMachine;
if (allDevices.Count == 0)
{
Console.WriteLine("No interfaces found! Make sure WinPcap is installed.");
return;
}
// Print the list
for (int i = 0; i != allDevices.Count; ++i)
{
LivePacketDevice device = allDevices[i];
Console.Write((i + 1) + ". " + device.Name);
if (device.Description != null)
{
Console.WriteLine(" (" + device.Description + ")");
}
else
{
Console.WriteLine(" (No description available)");
}
}
int deviceIndex = 0;
do
{
Console.WriteLine("Enter the interface number (1-" + allDevices.Count + ") to send through:");
string deviceIndexString = Console.ReadLine();
if (!int.TryParse(deviceIndexString, out deviceIndex) ||
deviceIndex < 1 || deviceIndex > allDevices.Count)
{
deviceIndex = 0;
}
} while (deviceIndex == 0);
// Take the selected adapter
PacketDevice selectedDevice = allDevices[deviceIndex - 1];
// Open the device
using (PacketCommunicator communicator =
selectedDevice.Open(65536, // portion of the packet to capture
// 65536 guarantees that the whole packet will be captured on all the link layers
PacketDeviceOpenAttributes.Promiscuous, // promiscuous mode
1000)) // read timeout
{
int commandId = db.commands.Where(c => c.Value.commandName.ToLower() == cmd.commandName.ToLower()).Select(c => c.Key).FirstOrDefault();
Packet packetToSend = BuildEthernetPacket(LivePacketDeviceExtensions.GetMacAddress(allDevices[deviceIndex - 1]).ToString(), destinationMAC, utilities.CreateCommandBytesForSending(commandId, cmd.arguments));
communicator.SendPacket(packetToSend);
}
}
static void notifySpoof(LivePacketDevice selectedDevice, string notifyString, string sourceIP, ushort sourcePort, string destIP, ushort destPort)
{
byte[] temp = System.Text.Encoding.ASCII.GetBytes(notifyString);
EthernetLayer ethernetLayer = new EthernetLayer
{
Source = LivePacketDeviceExtensions.GetMacAddress(selectedDevice),
Destination = new MacAddress("01:00:5E:7F:FF:FA"),
EtherType = EthernetType.None,
};
IpV4Layer ipV4Layer = new IpV4Layer
{
Source = new IpV4Address(sourceIP),
CurrentDestination = new IpV4Address(destIP),
Fragmentation = IpV4Fragmentation.None,
HeaderChecksum = null,
Identification = 1,
Options = IpV4Options.None,
Protocol = null,
Ttl = 64,
TypeOfService = 0,
};
UdpLayer udpLayer = new UdpLayer
{
SourcePort = sourcePort,
DestinationPort = destPort,
Checksum = null,
CalculateChecksumValue = true,
};
PayloadLayer payloadLayer = new PayloadLayer
{
Data = new Datagram(temp),
};
PacketBuilder builder = new PacketBuilder(ethernetLayer, ipV4Layer, udpLayer, payloadLayer);
using (PacketCommunicator communicator = selectedDevice.Open(69559, PacketDeviceOpenAttributes.Promiscuous, 1000)) // read timeout
{
communicator.SendPacket(builder.Build(DateTime.Now));
}
}
/*
* Function that will list network interface descriptions in the combo box drop down
*
*/
private void ListNetworkInterfaces(int numTries = 5)
{
//Detect all interfaces
allLivePacketDevices = LivePacketDevice.AllLocalMachine;
string descript = "";
string inactiveFormat = "{0,27} | {1}"; // format for interfaces that are not currently active
string activeFormat = "* {0,17} | {1}"; // format for interfaces that are actively transmitting packets
string Format = inactiveFormat;
//Try the allotted number of times if no interfaces detected
if (allLivePacketDevices.Count == 0)
{
if (numTries > 0)
{
ListNetworkInterfaces(--numTries);
}
}
// Describe each network interface
for (int i = 0; i < allLivePacketDevices.Count; ++i)
{
// Determine the network interface for this interface
LivePacketDevice livePacketDevice = allLivePacketDevices[i];
NetworkInterface nic = LivePacketDeviceExtensions.GetNetworkInterface(livePacketDevice);
string address = "";
// Query system for description
descript = nic.Description;
if (nic != null)
{
// Gather the unique ip properties of this interface
IPInterfaceProperties ipprops = nic.GetIPProperties();
UnicastIPAddressInformationCollection unicast = ipprops.UnicastAddresses;
string lpdAddr = "";
string nicAddr = "";
// search the interfaces IP addresses for it's IPv4 address
foreach (UnicastIPAddressInformation uni in unicast)
{
nicAddr = uni.Address.ToString();
foreach (DeviceAddress addr in livePacketDevice.Addresses)
{
if (!addr.Address.ToString().Contains("Internet6"))
{
string[] ipv4addy = addr.Address.ToString().Split();
lpdAddr = ipv4addy[1];
}
if (nicAddr == lpdAddr)
{
address = nicAddr;
//needs tuning so active device will be default shown
// Format the description according to activity level
Format = inactiveFormat;
if (nic.OperationalStatus == OperationalStatus.Up)
{
Format = activeFormat;
// ++activeIndex;
}
}
}
}
}
descript = String.Format(Format, address, descript);
cmbInterfaces.Items.Add(descript);
}
}
public void GetNetworkInterfaceNullTest()
{
Assert.IsNotNull(LivePacketDeviceExtensions.GetNetworkInterface(null));
Assert.Fail();
}
static void PacketListener()
{
// Retrieve the device list from the local machine
IList <LivePacketDevice> allDevices = LivePacketDevice.AllLocalMachine;
if (allDevices.Count == 0)
{
Console.WriteLine("No interfaces found! Make sure WinPcap is installed.");
return;
}
// Print the list
for (int i = 0; i != allDevices.Count; ++i)
{
LivePacketDevice device = allDevices[i];
Console.Write((i + 1) + ". " + device.Name);
if (device.Description != null)
{
Console.WriteLine(" (" + device.Description + ")");
}
else
{
Console.WriteLine(" (No description available)");
}
}
int deviceIndex = 0;
do
{
Console.WriteLine("Enter the interface number (1-" + allDevices.Count + "):");
string deviceIndexString = Console.ReadLine();
if (!int.TryParse(deviceIndexString, out deviceIndex) ||
deviceIndex < 1 || deviceIndex > allDevices.Count)
{
deviceIndex = 0;
}
} while (deviceIndex == 0);
// Take the selected adapter
PacketDevice selectedDevice = allDevices[deviceIndex - 1];
// Open the device
using (PacketCommunicator communicator =
selectedDevice.Open(65536, // portion of the packet to capture
// 65536 guarantees that the whole packet will be captured on all the link layers
PacketDeviceOpenAttributes.Promiscuous, // promiscuous mode
1000)) // read timeout
{
Console.WriteLine("Listening on " + selectedDevice.Description + " with MAC address of " + LivePacketDeviceExtensions.GetMacAddress(allDevices[deviceIndex - 1]) + "...");
// start the capture
communicator.ReceivePackets(0, PacketHandler);
}
}