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| ASP.NET追捕休整版 |
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| ［作者：不详 转贴自：不详 点击数： 更新时间：2006-3-2 15:41:04］ |
private void DetectService(IPAddress theIP)
{
string tFtp = TcpConnect(theIP,21); //is ftp service
string tTelnet = TcpConnect(theIP,23); //is Telnet service
string tDns = TcpConnect(theIP,43); //is Dns service
string tPop = TcpConnect(theIP,110); //is Pop3 service
string tSmtp = TcpConnect(theIP,25); //is Mail smtp service
if(tFtp!="None")strFtp = tFtp;
if(tTelnet!="None")strTelnet = tTelnet;
if(tDns!="None")strDns = tDns;
if(tPop!="None")strPop = tPop;
if(tSmtp!="None")strSmtp = tSmtp;
TcpClient tcp = new TcpClient();
tcp.Connect(theIP,80);
int tHttpStart;
string tHttp;
string tMsg = "POST /index.htm HTTP/1.1\r\n" +
"Connection: Keep-Alive\r\n\r\n";
Stream sm = tcp.GetStream();
sm.Write(Encoding.Default.GetBytes(tMsg.ToCharArray()),0,tMsg.Length);
StreamReader sr = new StreamReader(tcp.GetStream(),Encoding.Default);
while(sr.Peek()!=-1)
{
tHttp= sr.ReadLine();
tHttpStart = tHttp.IndexOf("Server");
if(tHttpStart!=-1)
{
strHttp = tHttp;
break;
}
}
tcp.Close();
}
private string TcpConnect(IPAddress theIP,int Port)
{
TcpClient tcp = new TcpClient();
StreamReader sr;
string result;
try
{
checked
{
tcp.Connect(theIP,Port);
sr = new StreamReader(tcp.GetStream().ToString(),Encoding.Default);
resu
lt = sr.ReadLine().ToString();
tcp.Close();
}
}
catch
{
result = "None";
}
return result;
}
private void DetectPort(IPAddress theIP)
{
//is
if(strHttp.IndexOf("Microsoft")!=-1)
{
strSystem = "Windows";
if(strHttp.IndexOf("IIS")!=-1)
{
strSystem="Windows NT/2000";
if(strHttp.IndexOf("5.0")!=-1)
strSystem="Windows 2000";
else
strSystem="Windows NT";
}
}
else if(strHttp.IndexOf("Apache")!=-1)
{
strSystem = "Unix/Linux";
if(strHttp.IndexOf("Unix")!=-1)
strSystem="Unix";
}
else
{
if(TcpConnect(theIP,139)!="None")
strSystem="Windows 98/Me";
else if(TcpConnect(theIP,1433)!="None")
strSystem="Windows NT/2000";
else
strSystem="Windows/Linux/Unix";
}
}
private void IPListbox_SelectedIndexChanged(object sender, System.EventArgs e)
{
lblIpInfo.Text = IPListbox.Text.ToString()+",所在地查询未实现!";
txtHostname.Text = IPListbox.Text.ToString();
}
private void button1_Click(object sender, System.EventArgs e)
{
Application.Exit();
}
private void linkLabel1_LinkClicked(object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e)
{
linkLabel1.Show();
}
完整的代码和编译过的程序:http://202.103.224.224/icools/bbs/non-cgi/usr/5_2.zip
记得一定要装 .NET FrameworkSDK beta2
我是初学者,有问题一起研究!
by 萧寒雪(S.F.)
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