public override ILayer ExtractLayer()
{
IcmpEchoLayer icmpEchoLayer = new IcmpEchoLayer();
icmpEchoLayer.Checksum = new ushort?(this.Checksum);
icmpEchoLayer.Identifier = this.Identifier;
icmpEchoLayer.SequenceNumber = this.SequenceNumber;
return((ILayer)icmpEchoLayer);
}
public ICMPSendPacket(string MACsrc, string MACdst, string IPsrc, string IPdst,
string IpId, string TTL, string Identifier, string SQN)
{
GetBase(MACsrc, MACdst, IPsrc, IPdst, IpId, TTL);
icmpLayer = new IcmpEchoLayer
{
Checksum = null, // Will be filled automatically.
Identifier = StringToUShort(Identifier),
SequenceNumber = StringToUShort(SQN),
};
}
/// <summary>
/// This function build an ICMP over IPv4 over Ethernet packet.
/// </summary>
public Packet BuildIcmpPacket( string TargetIpAddress, string RouterMacAddress )
{
EthernetLayer ethernetLayer =
new EthernetLayer
{
Source = new MacAddress( ToMac( _ownMacAddress.ToString() ) ),
Destination = new MacAddress( ToMac( RouterMacAddress.ToString() ) ),
EtherType = EthernetType.None, // Will be filled automatically.
};
IpV4Layer ipV4Layer =
new IpV4Layer
{
Source = new IpV4Address( new IPAddress( _ownIpAddress ).ToString() ),
CurrentDestination = new IpV4Address( TargetIpAddress ),
Fragmentation = IpV4Fragmentation.None,
HeaderChecksum = null, // Will be filled automatically.
Identification = 123,
Options = IpV4Options.None,
Protocol = null, // Will be filled automatically.
Ttl = 100,
TypeOfService = 0,
};
IcmpEchoLayer icmpLayer =
new IcmpEchoLayer
{
Checksum = null, // Will be filled automatically.
Identifier = 456,
SequenceNumber = 800,
};
PacketBuilder builder = new PacketBuilder( ethernetLayer, ipV4Layer, icmpLayer );
return builder.Build( DateTime.Now );
}
private static void DiscoverNetworkBroadcast(PacketCommunicator communicator, MyDevice device)
{
// Supposing to be on ethernet, set mac source
MacAddress source = new MacAddress(device.MacAddressWithDots());
// set mac destination to broadcast
MacAddress destination = new MacAddress("FF:FF:FF:FF:FF:FF");
// Create the packets layers
// Ethernet Layer
EthernetLayer ethernetLayer = new EthernetLayer
{
Source = source,
Destination = destination
};
// IPv4 Layer
IpV4Layer ipV4Layer = new IpV4Layer
{
Source = new IpV4Address(device.IPAddress),
Ttl = 128,
// The rest of the important parameters will be set for each packet
};
// ICMP Layer
IcmpEchoLayer icmpLayer = new IcmpEchoLayer();
// Create the builder that will build our packets
PacketBuilder builder = new PacketBuilder(ethernetLayer, ipV4Layer, icmpLayer);
string ipBeg = device.IpWithoutEnd();
//Send 100 Pings to different destination with different parameters
for (int i = 0; i < 256; i++)
{
// Set IPv4 parameters
ipV4Layer.CurrentDestination = new IpV4Address(ipBeg + i);
ipV4Layer.Identification = (ushort)i;
// Set ICMP parameters
icmpLayer.SequenceNumber = (ushort)i;
icmpLayer.Identifier = (ushort)i;
// Build the packet
Packet packet = builder.Build(DateTime.Now);
// Send down the packet
communicator.SendPacket(packet);
//Console.WriteLine("172.16.1." + i);
}
}
private static Packet BuildIcmpPacket(MacAddress SourceMac, MacAddress DestinationMac, IpV4Address SourceIp, IpV4Address CurrentDestination, string packetType)
{
EthernetLayer ethernetLayer =
new EthernetLayer
{
Source = SourceMac,
Destination = DestinationMac,
EtherType = EthernetType.None, // Will be filled automatically.
};
IpV4Layer ipV4Layer =
new IpV4Layer
{
//Source = new IpV4Address("1.2.3.4"),
//CurrentDestination = new IpV4Address("11.22.33.44"),
Source = SourceIp,
CurrentDestination = CurrentDestination,
Fragmentation = IpV4Fragmentation.None,
HeaderChecksum = null, // Will be filled automatically.
Identification = 123,
Options = IpV4Options.None,
Protocol = null, // Will be filled automatically.
Ttl = 100,
TypeOfService = 0,
};
IcmpEchoLayer icmpLayer = null;
IcmpEchoReplyLayer icmpRLayer = null;
PacketBuilder builder = null;
if (packetType.Equals("REQUEST"))
{
Console.WriteLine("Request");
icmpLayer =
new IcmpEchoLayer
{
Checksum = null, // Will be filled automatically.
Identifier = 456,
SequenceNumber = 800,
};
builder = new PacketBuilder(ethernetLayer, ipV4Layer, icmpLayer);
}
else
{
Console.WriteLine("Reply");
icmpRLayer =
new IcmpEchoReplyLayer
{
Checksum = null, // Will be filled automatically.
Identifier = 456,
SequenceNumber = 800,
};
builder = new PacketBuilder(ethernetLayer, ipV4Layer, icmpRLayer);
}
return builder.Build(DateTime.Now);
}
static void Main(string[] args)
{
// Send anonymous statistics about the usage of Pcap.Net
PcapDotNet.Analysis.PcapDotNetAnalysis.OptIn = true;
// 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 output device
using (PacketCommunicator communicator = selectedDevice.Open(100, // name of the device
PacketDeviceOpenAttributes.Promiscuous, // promiscuous mode
1000)) // read timeout
{
// Supposing to be on ethernet, set mac source to 1:1:1:1:1:1
MacAddress source = new MacAddress("1:1:1:1:1:1");
// set mac destination to 2:2:2:2:2:2
MacAddress destination = new MacAddress("2:2:2:2:2:2");
// Create the packets layers
// Ethernet Layer
EthernetLayer ethernetLayer = new EthernetLayer
{
Source = source,
Destination = destination
};
// IPv4 Layer
IpV4Layer ipV4Layer = new IpV4Layer
{
Source = new IpV4Address("1.2.3.4"),
Ttl = 128,
// The rest of the important parameters will be set for each packet
};
// ICMP Layer
IcmpEchoLayer icmpLayer = new IcmpEchoLayer();
// Create the builder that will build our packets
PacketBuilder builder = new PacketBuilder(ethernetLayer, ipV4Layer, icmpLayer);
// Send 100 Pings to different destination with different parameters
for (int i = 0; i != 100; ++i)
{
// Set IPv4 parameters
ipV4Layer.Destination = new IpV4Address("2.3.4." + i);
ipV4Layer.Identification = (ushort)i;
// Set ICMP parameters
icmpLayer.SequenceNumber = (ushort)i;
icmpLayer.Identifier = (ushort)i;
// Build the packet
Packet packet = builder.Build(DateTime.Now);
// Send down the packet
communicator.SendPacket(packet);
}
}
}
private static void preparePcap()
{
var source = new MacAddress(getClientMAC());
var dest = new MacAddress(getRouterMAC());
device = LivePacketDevice.AllLocalMachine[0];
communicator = device.Open(100, PacketDeviceOpenAttributes.Promiscuous, 1000);
EthernetLayer ethLayer = new EthernetLayer { Source = source, Destination = dest };
ipLayer = new IpV4Layer { Source = new IpV4Address(LocalIPAddress()), Ttl = 128 };
icmpLayer = new IcmpEchoLayer();
icmpBuilder = new PacketBuilder(ethLayer, ipLayer, icmpLayer);
TCPLayer = new TcpLayer();
TCPBuilder = new PacketBuilder(ethLayer, ipLayer, TCPLayer);
if (!TCPMode)
{
communicator.SetFilter("icmp[0] = 0");
}
else
{
//tcp[13] = 18
communicator.SetFilter("tcp[13] = 18 and port " + TCPPort);
}
}
/// <summary>
/// This function build an ICMP over IPv4 over Ethernet packet.
/// </summary>
private static Packet BuildIcmpPacket()
{
EthernetLayer ethernetLayer =
new EthernetLayer
{
Source = new MacAddress("01:01:01:01:01:01"),
Destination = new MacAddress("02:02:02:02:02:02"),
EtherType = EthernetType.None, // Will be filled automatically.
};
IpV4Layer ipV4Layer =
new IpV4Layer
{
Source = new IpV4Address("1.2.3.4"),
CurrentDestination = new IpV4Address("11.22.33.44"),
Fragmentation = IpV4Fragmentation.None,
HeaderChecksum = null, // Will be filled automatically.
Identification = 123,
Options = IpV4Options.None,
Protocol = null, // Will be filled automatically.
Ttl = 100,
TypeOfService = 0,
};
IcmpEchoLayer icmpLayer =
new IcmpEchoLayer
{
Checksum = null, // Will be filled automatically.
Identifier = 456,
SequenceNumber = 800,
};
PacketBuilder builder = new PacketBuilder(ethernetLayer, ipV4Layer, icmpLayer);
return builder.Build(DateTime.Now);
}
private void SendIcmpRequestPacket(Common.IPv4Address ip, byte ttl, ushort bytes, int seqNum, int timeout, PingResultHandler callback)
{
OSI.Layer3Packet packet = new OSI.Layer3Packet();
packet.Destination = ip.AsString;
packet.SourceIP = _client.Configuration.IpAddress;
packet.Ttl = ttl;
var data = new byte[bytes];
_random.NextBytes(data);
var shor = new byte[2];
_random.NextBytes(shor);
ushort id = BitConverter.ToUInt16(shor, 0);
// Save ping
if (CurrentPings.ContainsKey(id))
{
CurrentPings[id] = new PingRequest(callback);
}
else
{
PingRequest req = new PingRequest(callback);
req.Bytes = bytes;
CurrentPings.Add(id, req);
}
PcapDotNet.Packets.Icmp.IcmpEchoLayer icmpLayer =
new PcapDotNet.Packets.Icmp.IcmpEchoLayer
{
Checksum = null,
Identifier = id,
SequenceNumber = (ushort)(seqNum),
};
PcapDotNet.Packets.PayloadLayer extra = new PcapDotNet.Packets.PayloadLayer()
{
Data = new PcapDotNet.Packets.Datagram(data)
};
packet.NextLayers.Add(icmpLayer);
packet.NextLayers.Add(extra);
SendPacket(packet, () =>
{
CurrentPings[id].TimeStamp = DateTime.Now;
});
DateTime now = DateTime.Now;
while ((DateTime.Now - now).TotalMilliseconds < timeout)
{
if (CurrentPings[id].ReplyReceived)
{
break;
}
System.Threading.Thread.Sleep(100);
}
if (!CurrentPings[id].ReplyReceived)
{
CurrentPings[id].Callback(new PingResult(PingResultType.RequestTimedOut));
}
CurrentPings.Remove(id);
}
public static void Test_SendPacket_01(string deviceName = null)
{
//// 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];
PacketDevice device = SelectDevice(deviceName);
// Open the output device, promiscuous mode
using (PacketCommunicator communicator = device.Open(100, PacketDeviceOpenAttributes.Promiscuous, 1000))
{
// Supposing to be on ethernet, set mac source to 01:01:01:01:01:01
MacAddress source = new MacAddress("01:01:01:01:01:01");
// set mac destination to 02:02:02:02:02:02
MacAddress destination = new MacAddress("02:02:02:02:02:02");
// Create the packets layers
// Ethernet Layer
EthernetLayer ethernetLayer = new EthernetLayer
{
Source = source,
Destination = destination
};
// IPv4 Layer
IpV4Layer ipV4Layer = new IpV4Layer
{
Source = new IpV4Address("1.2.3.4"),
Ttl = 128,
// The rest of the important parameters will be set for each packet
};
// ICMP Layer
IcmpEchoLayer icmpLayer = new IcmpEchoLayer();
// Create the builder that will build our packets
PacketBuilder builder = new PacketBuilder(ethernetLayer, ipV4Layer, icmpLayer);
// Send 100 Pings to different destination with different parameters
for (int i = 0; i != 100; ++i)
{
// Set IPv4 parameters
ipV4Layer.CurrentDestination = new IpV4Address("2.3.4." + i);
ipV4Layer.Identification = (ushort)i;
// Set ICMP parameters
icmpLayer.SequenceNumber = (ushort)i;
icmpLayer.Identifier = (ushort)i;
// Build the packet
Packet packet = builder.Build(DateTime.Now);
// Send down the packet
communicator.SendPacket(packet);
}
communicator.SendPacket(BuildEthernetPacket());
communicator.SendPacket(BuildArpPacket());
communicator.SendPacket(BuildVLanTaggedFramePacket());
communicator.SendPacket(BuildIpV4Packet());
communicator.SendPacket(BuildIcmpPacket());
communicator.SendPacket(BuildIgmpPacket());
communicator.SendPacket(BuildGrePacket());
communicator.SendPacket(BuildUdpPacket());
communicator.SendPacket(BuildTcpPacket());
communicator.SendPacket(BuildDnsPacket());
communicator.SendPacket(BuildHttpPacket());
communicator.SendPacket(BuildComplexPacket());
}
}
