public simplePacket(packet p)
{
this.src = p.ip4.SourceAddress.ToString();
this.des = p.ip4.DestinationAddress.ToString();
this.id = p.ip4.Id.ToString();
this.length = p.ip4.TotalLength - p.ip4.HeaderLength * 4;
this.offset = p.ip4.FragmentOffset;
this.mf = (p.ip4.Bytes[6] / 32) % 2;
this.df = (p.ip4.Bytes[6] / 64) % 2;
this.data = p.data;
}
//
//display the packets onto the listview.
//
public void ProcessContext(RawCapture pac)
{
packet p = new packet(pac);
packets.Add(p);
p.index = (listView1.Items.Count + 1);
ListViewItem item = new ListViewItem(new string[] { p.index.ToString(), p.time, p.source, p.destination, p.protocol, p.information });
item.BackColor = Color.FromName(p.color);
listView1.Items.Add(item);
}
//
//open file
//
private void open_Click(object sender, EventArgs e)
{
System.Windows.Forms.OpenFileDialog openfile = new OpenFileDialog();
openfile.InitialDirectory = Environment.CurrentDirectory;
openfile.Filter = "pcap files (*.pcap)|*.pcap";
openfile.CheckFileExists = true;
openfile.RestoreDirectory = true;
if (openfile.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string name = openfile.FileName;
listView1.Items.Clear();
this.packets = new ArrayList();
SharpPcap.LibPcap.CaptureFileReaderDevice reader = new SharpPcap.LibPcap.CaptureFileReaderDevice(name);
RawCapture rawp;
try
{
rawp = reader.GetNextPacket();
while (rawp != null)
{
packet temp = new packet(rawp);
packets.Add(temp);
temp.index = (listView1.Items.Count + 1);
ListViewItem item = new ListViewItem(new string[] { temp.index.ToString(), temp.time, temp.source, temp.destination, temp.protocol, temp.information });
item.BackColor = Color.FromName(temp.color);
listView1.Items.Add(item);
rawp = reader.GetNextPacket();
}
MessageBox.Show("success!");
}
catch (Exception)
{
MessageBox.Show("fail!");
}
}
}
//
//to show the details of a packet in treeview
//
private void listView1_Click(object sender, EventArgs e)
{
int index = Convert.ToInt32(this.listView1.SelectedItems[0].Text);
packet pac = (packet)packets[index - 1];
this.treeView1.Nodes.Clear();
label4.Text = "layer:" + pac.layer + "\nepac:" + pac.epac + "\nhash:" + pac.GetHashCode() + "\ninformation:" + pac.information + "\ntime:" + pac.time + "\ndata:" + pac.data;
if (pac.PacketInforArray.Count > 0)
{
TreeNode new1 = new TreeNode("Frame: ");
for (int i = 0; i < pac.PacketInforArray.Count; i++)
{
new1.Nodes.Add(pac.PacketInforArray[i].ToString());
}
this.treeView1.Nodes.Add(new1);
}
if (pac.EthernetInforArray.Count > 0)
{
TreeNode new2 = new TreeNode("Ethernet:");
for (int i = 0; i < pac.EthernetInforArray.Count; i++)
{
new2.Nodes.Add(pac.EthernetInforArray[i].ToString());
}
this.treeView1.Nodes.Add(new2);
}
if (pac.IpInforArray.Count > 0)
{
TreeNode new3 = new TreeNode("Internet Protocol:");
for (int i = 0; i < pac.IpInforArray.Count; i++)
{
new3.Nodes.Add(pac.IpInforArray[i].ToString());
}
this.treeView1.Nodes.Add(new3);
}
if (pac.IcmpInforArray.Count > 0)
{
TreeNode new4 = new TreeNode("Internet Control Message Protocol: ");
for (int i = 0; i < pac.IcmpInforArray.Count; i++)
{
new4.Nodes.Add(pac.IcmpInforArray[i].ToString());
}
this.treeView1.Nodes.Add(new4);
}
if (pac.UdpInforArray.Count > 0)
{
TreeNode new5 = new TreeNode("User Datagram Protocol: ");
for (int i = 0; i < pac.UdpInforArray.Count; i++)
{
new5.Nodes.Add(pac.UdpInforArray[i].ToString());
}
this.treeView1.Nodes.Add(new5);
}
if (pac.TcpInforArray.Count > 0)
{
TreeNode new6 = new TreeNode("Transmission Control Protocol: ");
for (int i = 0; i < pac.TcpInforArray.Count; i++)
{
new6.Nodes.Add(pac.TcpInforArray[i].ToString());
}
this.treeView1.Nodes.Add(new6);
}
if (pac.ArpInforArray.Count > 0)
{
TreeNode new7 = new TreeNode("Address Resolution Protocol: ");
for (int i = 0; i < pac.ArpInforArray.Count; i++)
{
new7.Nodes.Add(pac.ArpInforArray[i].ToString());
}
this.treeView1.Nodes.Add(new7);
}
if (pac.ApplicationInfor.Count > 0)
{
TreeNode new8 = new TreeNode("Application Layer Protocol: ");
for (int i = 0; i < pac.ApplicationInfor.Count; i++)
{
new8.Nodes.Add(pac.ApplicationInfor[i].ToString());
}
this.treeView1.Nodes.Add(new8);
}
}