private void MakeInformationTCP(TCPHeader tcpHeader)
{
TreeNode tcpNode = new TreeNode("TCP", new TreeNode[] {
new TreeNode($"Porta Origem: {tcpHeader.SourcePort}"),
new TreeNode($"Porta Destino: {tcpHeader.DestinationPort}"),
new TreeNode($"Número da sequência: {tcpHeader.SequenceNumber}"),
new TreeNode($"Número Acknowledgement: {tcpHeader.AcknowledgementNumber}"),
new TreeNode($"Tamanho do cabeçalho: {tcpHeader.HeaderLength}"),
new TreeNode($"Flags: {tcpHeader.Flags.AllFlags}", new TreeNode [] {
new TreeNode($"NS: {tcpHeader.Flags.NS}"),
new TreeNode($"CWR: {tcpHeader.Flags.CWR}"),
new TreeNode($"ECN: {tcpHeader.Flags.ECN}"),
new TreeNode($"URG: {tcpHeader.Flags.URG}"),
new TreeNode($"ACK: {tcpHeader.Flags.Ack}"),
new TreeNode($"PSH: {tcpHeader.Flags.Psh}"),
new TreeNode($"RST: {tcpHeader.Flags.Rst}"),
new TreeNode($"SYN: {tcpHeader.Flags.Syn}"),
new TreeNode($"FIN: {tcpHeader.Flags.Fin}"),
}),
new TreeNode($"Tamanho da janela: {tcpHeader.WindowSize}"),
new TreeNode($"Checksum: {tcpHeader.Checksum}"),
new TreeNode($"Ponteiro Urgente: {tcpHeader.UrgentPointer}")
});
treeView1.Nodes.Add(tcpNode);
}
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);
textProperties.Text = "";
IIpHeader ipHeader;
if (hasPacket)
{
MemoryStream memoryStream = new MemoryStream(packet.PayloadPacket.Header, 0, packet.PayloadPacket.Header.Length);
BinaryReader binaryReader = new BinaryReader(memoryStream);
if (((PacketDotNet.EthernetPacket)packet).Type == PacketDotNet.EthernetPacketType.IpV4)
{
ipHeader = new IPHeaderV4(binaryReader);
MakeInformationIP(ipHeader);
}
else if (((PacketDotNet.EthernetPacket)packet).Type == PacketDotNet.EthernetPacketType.IpV6)
{
ipHeader = new IPHeaderV6(binaryReader);
MakeInformationIP(ipHeader);
}
else
{
textProperties.Text = "Desconhecido";
}
textProperties.Text += "\r\n";
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);
}
}
}
}
private void MakeInformationTCP(TCPHeader tcpHeader)
{
textProperties.Text += "\r\nTCP" +
"\r\n\tPorta Origem: " + tcpHeader.SourcePort +
"\r\n\tPorta Destino: " + tcpHeader.DestinationPort +
"\r\n\tNúmero da sequência: " + tcpHeader.SequenceNumber +
"\r\n\tNúmero Acknowledgement: " + tcpHeader.AcknowledgementNumber +
"\r\n\tTamanho do cabeçalho: " + tcpHeader.HeaderLength +
"\r\n\tFlags: " + tcpHeader.Flags +
"\r\n\tTamanho da janela: " + tcpHeader.WindowSize +
"\r\n\tChecksum: " + tcpHeader.Checksum +
"\r\n\tPonteiro Urgente: " + tcpHeader.UrgentPointer;
}
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();
}
}
