private void MakeInformationICMPv4(ICMPv4Header icmpv4Header)
{
TreeNode icmpv4Node = new TreeNode("ICMPv4", new TreeNode[] {
new TreeNode($"Checksum: {icmpv4Header.Checksum}"),
new TreeNode($"Dados: {icmpv4Header.Dados}"),
new TreeNode($"ID: {icmpv4Header.ID}"),
new TreeNode($"Sequência: {icmpv4Header.Sequencia}"),
new TreeNode($"Tipo de Código: {icmpv4Header.TipoCodigo}")
});
treeView1.Nodes.Add(icmpv4Node);
}
private void listPackets_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
{
string protocol = e.Item.SubItems[3].Text;
int key = Int32.Parse(e.Item.SubItems[0].Text);
Packet packet;
bool hasPacket = capturedPackets_list.TryGetValue(key, out packet);
IIpHeader ipHeader;
if (hasPacket)
{
MemoryStream memoryStream = new MemoryStream(packet.PayloadPacket.Header, 0, packet.PayloadPacket.Header.Length);
BinaryReader binaryReader = new BinaryReader(memoryStream);
treeView1.Nodes.Clear();
if (((PacketDotNet.EthernetPacket)packet).Type == PacketDotNet.EthernetPacketType.IpV4)
{
ipHeader = new IPHeaderV4(binaryReader, this.ip2l);
MakeInformationIP(ipHeader);
}
else if (((PacketDotNet.EthernetPacket)packet).Type == PacketDotNet.EthernetPacketType.IpV6)
{
ipHeader = new IPHeaderV6(binaryReader, this.ip2l);
MakeInformationIP(ipHeader);
}
else
{
treeView1.Nodes.Add("Desconhecido");
}
if (protocol.Equals("TCP"))
{
var tcpPacket = (TcpPacket)packet.Extract(typeof(TcpPacket));
if (tcpPacket != null)
{
var tcpHeader = new TCPHeader(tcpPacket);
MakeInformationTCP(tcpHeader);
}
}
else if (protocol.Equals("UDP"))
{
var udpPacket = (UdpPacket)packet.Extract(typeof(UdpPacket));
if (udpPacket != null)
{
var udpHeader = new UDPHeader(udpPacket);
MakeInformationUDP(udpHeader);
}
}
else if (protocol.Equals("ICMP"))
{
var icmpv4Packet = (ICMPv4Packet)packet.Extract(typeof(ICMPv4Packet));
if (icmpv4Packet != null)
{
var icmpv4Header = new ICMPv4Header(icmpv4Packet);
MakeInformationICMPv4(icmpv4Header);
}
}
else if (protocol.Equals("ICMPV6"))
{
var icmpv6Packet = (ICMPv6Packet)packet.Extract(typeof(ICMPv6Packet));
if (icmpv6Packet != null)
{
var icmpv6Header = new ICMPv6Header(icmpv6Packet);
MakeInformationICMPv6(icmpv6Header);
}
}
treeView1.ExpandAll();
}
}
