/// <summary>
/// icmp报文分析
/// </summary>
public void icmpProtocol()
{
if (epac.Type.ToString() == "IpV4" && ip4.Protocol.ToString() == "ICMP")
{
var icmppacket = (ICMPv4Packet)ip4.Extract(typeof(ICMPv4Packet));
int LE = (icmppacket.ID / 256) + ((icmppacket.ID % 256) << 8);
int sqLE = (icmppacket.Sequence / 256) + ((icmppacket.Sequence % 256) << 8);
string data1 = "";
IcmpInforArray.Add("Type: " + Convert.ToString(icmppacket.Bytes[0], 10) + ")\n");
IcmpInforArray.Add("Code: " + Convert.ToString(icmppacket.Bytes[1], 10) + "\n");
IcmpInforArray.Add("Checksum: 0x" + Convert.ToString(icmppacket.Checksum, 16).PadLeft(4, '0') + "\n");
IcmpInforArray.Add("Identifier(BE): " + icmppacket.ID.ToString() + " (0x" + Convert.ToString(icmppacket.ID, 16).PadLeft(4, '0') + ")\n");
IcmpInforArray.Add("Identifier(LE): " + LE.ToString() + " (0x" + Convert.ToString(LE, 16).PadLeft(4, '0') + ")\n");
IcmpInforArray.Add("Sequence number(BE): " + icmppacket.Sequence.ToString() + " (0x" + Convert.ToString(icmppacket.Sequence, 16).PadLeft(4, '0') + ")\n");
IcmpInforArray.Add("Sequence number(LE): " + sqLE.ToString() + " (0x" + Convert.ToString(sqLE, 16).PadLeft(4, '0') + ")\n");
for (int i = icmppacket.Header.Length; i < icmppacket.Bytes.Length; i++)
{
data1 = data1 + Convert.ToChar(icmppacket.Bytes[i]);
}
IcmpInforArray.Add("Data: " + data1 + "\n");
KeyWords.Add(icmppacket.ID.ToString().ToUpper());
KeyWords.Add(icmppacket.Sequence.ToString().ToUpper());
this.color = "Gold";
this.data = Encoding.UTF8.GetString(icmppacket.PayloadData);
this.information = " id=" + icmppacket.ID.ToString() + ", seq=" + icmppacket.Sequence.ToString() + ", ttl=" + ip4.TimeToLive.ToString();
}
else if (epac.Type.ToString() == "IpV6")
{
var icmppacket = (ICMPv6Packet)ip6.Extract(typeof(ICMPv6Packet));
try {
IcmpInforArray.Add("Type: " + icmppacket.Type.ToString() + "\n");
}
catch {
;
}
IcmpInforArray.Add("Checksum: " + icmppacket.Checksum.ToString() + "\n");
IcmpInforArray.Add("Code: " + icmppacket.Code.ToString() + "\n");
IcmpInforArray.Add("Identifier: " + Convert.ToString(icmppacket.Bytes[4], 10) + "\n");
KeyWords.Add(Convert.ToString(icmppacket.Bytes[4], 10).ToUpper());
this.color = "Gold";
//this.information = icmppacket.Type.ToString() + "id = " + Convert.ToString(icmppacket.Bytes[4], 10);
}
else
{
MessageBox.Show("ICMPv6");
;
}
}
