C# winform版 nbtstat

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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