参考:http://www.cnblogs.com/geqinggao/archive/2013/01/21/2869644.html
一、nbtstat命令
显示基于 TCP/IP 的 NetBIOS (NetBT) 协议统计资料、本地计算机和远程计算机的 NetBIOS 名称表和 NetBIOS 名称缓存。Nbtstat 可以刷新 NetBIOS 名称缓存和使用 Windows Internet 名称服务 (WINS) 注册的名称。使用不带参数的 nbtstat 显示帮助。
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二、实现效果
三、winform实现
引用:
using System.Net;
using System.Net.Sockets;
using System.Text.RegularExpressions;
/// <summary>
/// 默认加载
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_Load(object sender, EventArgs e)
{
txtIP.Text = "192.168.1.101"; //ip地址输入框
}
/// <summary>
/// 验证IP地址
/// </summary>
/// <param name="ipAddress"></param>
/// <returns></returns>
public static bool IsIPAddress(string ip)
{
if (string.IsNullOrEmpty(ip) || ip.Length < 7 || ip.Length > 15) return false;
string regformat = @"^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$";
Regex regex = new Regex(regformat, RegexOptions.IgnoreCase);
return regex.IsMatch(ip);
}
private void btnNbtstat_Click(object sender, EventArgs e)
{
txtInfo.Text = ""; //文本信息显示框
string ipStr = txtIP.Text;
if (string.IsNullOrWhiteSpace(ipStr))
{
MessageBox.Show("IP不能为空!");
}
if (!IsIPAddress(ipStr))
{
MessageBox.Show("IP格式不正确!");
return;
}
byte[] bs = new byte[50] { 0x0, 0x00, 0x0, 0x10, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x43, 0x4b, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x0, 0x0, 0x21, 0x0, 0x1 };
byte[] Buf = new byte[500];
byte[,] recv = new byte[18, 28];
string str = "", strHost = "", Group = "", User = "", strMac = "";
int receive, macline = 0, usernum = 0;
string[] domainuser = new string[2];
domainuser[0] = "";
domainuser[1] = "";
try
{
IPEndPoint senderTest = new IPEndPoint(IPAddress.Any, 0);
EndPoint Remote = (EndPoint)senderTest;
IPEndPoint ipep = new IPEndPoint(IPAddress.Parse(ipStr), 137);
Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
server.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, 3000);
server.SendTo(bs, bs.Length, SocketFlags.None, ipep);
receive = server.ReceiveFrom(Buf, ref Remote);
server.Close();
if (receive > 0)
{
recv = new byte[18, (receive - 56) % 18];
for (int k = 0; k < (receive - 56) % 18; k++)
{
for (int j = 0; j < 18; j++)
{
recv[j, k] = Buf[57 + 18 * k + j];
}
}
for (int k = 0; k < (receive - 56) % 18; k++)
{
str = "";
if (System.Convert.ToString(recv[15, k], 16) == "0" && (System.Convert.ToString(recv[16, k], 16) == "4" || System.Convert.ToString(recv[16, k], 16) == "44"))
{
for (int j = 0; j < 15; j++)
{
str += System.Convert.ToChar(recv[j, k]).ToString();
}
strHost = str.Trim();
}
if (System.Convert.ToString(recv[15, k], 16) == "0" && (System.Convert.ToString(recv[16, k], 16) == "84" || System.Convert.ToString(recv[16, k], 16).ToUpper() == "C4"))
{
for (int j = 0; j < 15; j++)
{
str += System.Convert.ToChar(recv[j, k]).ToString();
}
Group = str.Trim();
}
if (System.Convert.ToString(recv[15, k], 16) == "3" && (System.Convert.ToString(recv[16, k], 16) == "4" || System.Convert.ToString(recv[16, k], 16) == "44"))
{
for (int j = 0; j < 15; j++)
{
str += System.Convert.ToChar(recv[j, k]).ToString();
}
domainuser[usernum] = str.Trim();
usernum++;
}
if (System.Convert.ToString(recv[15, k], 16) == "0" && System.Convert.ToString(recv[16, k], 16) == "0" && System.Convert.ToString(recv[17, k], 16) == "0")
{
macline = k;
for (int i = 0; i < 6; i++)
{
if (i < 5)
{
strMac += System.Convert.ToString(recv[i, macline], 16).PadLeft(2, '0').ToUpper() + ":";
}
if (i == 5)
{
strMac += System.Convert.ToString(recv[i, macline], 16).PadLeft(2, '0').ToUpper();
}
}
k = (receive - 56) % 18;
}
}
User = domainuser[1];
if (string.IsNullOrEmpty(domainuser[1])) { User = domainuser[0]; }
txtInfo.Text = "主机:" + strHost + Environment.NewLine + "用户组:" + Group + Environment.NewLine + "用户:" + User + Environment.NewLine + "MAC地址:" + strMac;
}
}
catch (SocketException ex)
{
Console.WriteLine(ex.Message);
}
}
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转载于:https://my.oschina.net/garyun/blog/602767