private void DHCP(DhcpPackets dhcp)
{
if (dhcp == null)
{
return;
}
if (DhcpNode == null)
{
DhcpNode = CreatNode("DHCP", 7);
}
DhcpNode.Nodes.Clear();
string opString = (dhcp.OP == 1) ? "Boot Request" : "Boot Reply";
DhcpNode.Nodes.Add("Op Code: " + opString + " (" + dhcp.OP + ")");
DhcpNode.Nodes.Add("Hareware Type: " + dhcp.HType + " [0x" + ((ushort)dhcp.HType).ToString("X2") + "]");
DhcpNode.Nodes.Add("Hareware Address Length: " + dhcp.HLen);
DhcpNode.Nodes.Add("Hops: " + dhcp.Hops);
DhcpNode.Nodes.Add("XID: " + dhcp.XID);
DhcpNode.Nodes.Add("Seconds: " + dhcp.Secs.ToString());
if (DhcpFlagsNodes == null)
{
DhcpFlagsNodes = new TreeNode();
}
DhcpFlagsNodes.Nodes.Clear();
DhcpFlagsNodes.Text = "Flags: 0x" + dhcp.Flags.ToString("X2");
string unicast = (dhcp.Unicast == 0) ? "No Broadcast" : "Broadcast";
DhcpFlagsNodes.Nodes.Add(dhcp.Unicast.ToString() + "... .... .... .... = " + unicast);
DhcpFlagsNodes.Nodes.Add(".000 0000 0000 0000 = Reserved Flags");
DhcpNode.Nodes.Add(DhcpFlagsNodes);
DhcpNode.Nodes.Add("Client IP Address: " + dhcp.CiAddr);
DhcpNode.Nodes.Add("Your IP Address: " + dhcp.YiAddr);
DhcpNode.Nodes.Add("Server IP Address: " + dhcp.SiAddr);
DhcpNode.Nodes.Add("Relay agent IP Address: " + dhcp.GiAddr);
DhcpNode.Nodes.Add("Client Hard Address: " + dhcp.CHaddr);
DhcpNode.Nodes.Add("Server host name: " + dhcp.SName);
DhcpNode.Nodes.Add("Boot file name: " + dhcp.File);
//选项字段
if (!string.IsNullOrEmpty(dhcp.MagicCookie))
{
DhcpNode.Nodes.Add("Magic Cookie: " + dhcp.MagicCookie);
foreach (var i in dhcp.Option)
{
TreeNode tre = new TreeNode("Option: [Type= " + i.Type + " 0x" + ((ushort)i.Type).ToString("X2") + "] [Length= " + i.Length.ToString() + "]");
tre.Name = "DHCP_OP";
tre.Nodes.Add("Option Type: " + i.Type + " [0x" + ((ushort)i.Type).ToString("X2") + "]");
tre.Nodes.Add("Length: " + i.Length.ToString());
tre.Nodes.Add("Value: 0x" + i.value);
DhcpNode.Nodes.Add(tre);
}
}
Tree.Nodes.Add(DhcpNode);
}
/// <summary>
/// 添加应用层协议
/// </summary>
/// <param name="payloadData">载荷数据</param>
/// <param name="SourcePort">源端口</param>
/// <param name="DestinationPort">目的端口</param>
private void AppNode(byte[] payloadData, ushort SourcePort, ushort DestinationPort)
{
if (payloadData.Length == 0)
{
return;
}
AppsrcPort = SourcePort;
AppdstPort = DestinationPort;
//HTTP 80
if (isAnalysProtocol(80))
{
HttpPacket http = new HttpPacket(payloadData);
Http(http);
}
//smtp 25
else if (isAnalysProtocol(25))
{
SmtpPacket smtp = new SmtpPacket(payloadData);
SMTP(smtp);
}
//pop3 110
else if (isAnalysProtocol(110))
{
Pop3Packet pop3 = new Pop3Packet(payloadData);
POP3(pop3);
}
//DNS 53
else if (isAnalysProtocol(53))
{
DnsPacket dns = new DnsPacket(payloadData);
DNS(dns);
}
//ftp 21
else if (isAnalysProtocol(21))
{
FtpPacket ftp = new FtpPacket(payloadData);
FTP(ftp);
}
//DHCP 67 68
else if (isAnalysProtocol(67) || isAnalysProtocol(68))
{
DhcpPackets dp = new DhcpPackets(payloadData);
DHCP(dp);
}
else if (isAnalysProtocol(520))
{
RipPacket rp = new RipPacket(payloadData);
RIP(rp);
}
//ssdp 1900
else if (isAnalysProtocol(1900))
{
SSDPPacket ssdp = new SSDPPacket(payloadData);
SSDP(ssdp);
}
}
