private void Sniffer_PacketReceived(object sender, W2PacketEventArgs e)
{
if (toolsPauseLogging.Checked)
{
return;
}
if (m_ignoredPackets.ContainsOpCodeAndSize(e.PacketHeader.PacketId, e.PacketHeader.Size))
{
return;
}
if (dgvPacketLog.RowCount > 1000)
{
dgvPacketLog.Rows.Clear();
}
int currentRow = dgvPacketLog.Rows.Add(
DateTime.Now,
e.Direction.ToString(),
e.IPHeader.SourceAddress,
e.IPHeader.DestinationAddress,
e.PacketHeader.Size,
string.Format("0x{0:X2}", e.PacketHeader.PacketId),
e.PacketHeader.ClientId);
dgvPacketLog.Rows[currentRow].Tag = e;
logPacket(e);
}
private void logPacket(W2PacketEventArgs packet)
{
bool autoSave = Properties.Settings.Default.AutoSavePackets;
if (autoSave)
{
var directory = Properties.Settings.Default.SavePacketDirectory;
if (string.IsNullOrEmpty(directory))
{
directory = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
}
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
var logFilePath = directory + Path.DirectorySeparatorChar + "packetLog.txt";
var binaryPacketFilePath = string.Format("{0}{1} - 0x{2} - {3}.bin",
directory,
packet.Direction.ToString(),
packet.PacketHeader.PacketId.ToString("X2"),
packet.PacketHeader.Size);
using (var file = File.OpenWrite(binaryPacketFilePath))
file.Write(packet.Buffer, 0, packet.Buffer.Length);
using (var logStream = new StreamWriter(File.Open(logFilePath, FileMode.Append)))
{
StringBuilder sb = new StringBuilder();
sb.Append("--------------------------------------------\n")
.Append(DateTime.Now.ToString("dd/MM/yyyy - HH:mm:ss"))
.Append($"\n - Packet: Direction {packet.Direction}\n")
.Append($"From {packet.IPHeader.SourceAddress}:{packet.TCPHeader.SourcePort} ")
.Append($"To {packet.IPHeader.DestinationAddress}:{packet.TCPHeader.DestinationPort}\n\n")
.Append($"Header: Size {packet.PacketHeader.Size} PacketId 0x{packet.PacketHeader.PacketId.ToString("X2")} ")
.Append($"ClientId {packet.PacketHeader.ClientId} TimeStamp {packet.PacketHeader.TimeStamp}\n\n");
logStream.Write(sb.ToString());
}
}
}
/// <summary>
/// Initializes the details form with the given packet data.
/// </summary>
/// <param name="packet"></param>
public void InitializePacketDetails(W2PacketEventArgs packet)
{
hexPacketView.ByteProvider = new DynamicByteProvider(packet.Buffer);
StringBuilder sb = new StringBuilder();
sb.Append("Details of Packet: ")
.Append($"0x{packet.PacketHeader.PacketId.ToString("X2")} ")
.Append(packet.Direction.ToString())
.Append($" Size: {packet.PacketHeader.Size}");
txtPacketCheckSum.Text = packet.PacketHeader.Checksum.ToString();
txtPacketClientId.Text = packet.PacketHeader.ClientId.ToString();
txtPacketKey.Text = packet.PacketHeader.Key.ToString();
txtPacketOpCode.Text = packet.PacketHeader.PacketId.ToString("X2");
txtPacketSize.Text = packet.PacketHeader.Size.ToString();
txtPacketTimeStamp.Text = packet.PacketHeader.TimeStamp.ToString();
this.Text = sb.ToString();
}
private void SavePacketToFile(W2PacketEventArgs packet)
{
if (saveDialog == null)
{
saveDialog = new SaveFileDialog();
saveDialog.CheckPathExists = true;
saveDialog.Filter = "Binary File|*.bin";
saveDialog.Title = "Select where to save the packet binary data:";
saveDialog.ValidateNames = true;
saveDialog.AddExtension = true;
saveDialog.DefaultExt = "bin";
}
var result = saveDialog.ShowDialog(this);
if (result == DialogResult.OK)
{
using (var fstream = saveDialog.OpenFile())
using (var bw = new BinaryWriter(fstream))
{
bw.Write(packet.Buffer);
}
}
}
