WEB网站如何获得访问者的网卡MAC地址？

[CrazyFor]

最好不要安装控件的，多谢了！

[CrazyFor]

自己顶一下！

[HDNGO]

using   System;  
  using   System.Runtime.InteropServices;  
   
  namespace   UtilityControl  
  {  
  ///   <summary>  
  ///   关于IP地址的若干操作  
  ///   </summary>  
  public   class   IP  
  {  
  public   IP()  
  {  
  //  
  //   TODO:   在此处添加构造函数逻辑  
  //  
  }  
   
  [DllImport("Iphlpapi.dll")]  
  private   static   extern   int   SendARP(Int32   dest,Int32   host,ref   Int64   mac,ref   Int32   length);  
  [DllImport("Ws2_32.dll")]    
  private   static   extern   Int32   inet_addr(string   ip);  
   
  ///   <summary>  
  ///   根据ip得到网卡mac地址  
  ///   </summary>  
  ///   <param   name="ip">给出的ip地址</param>  
  ///   <returns>对应ip的网卡mac地址</returns>  
  public   static   Int64   GetMACByIP(string   ip)    
  {    
  Int32   ldest=   inet_addr(ip);   //目的地的ip    
  try    
  {    
  Int64   macinfo   =   new   Int64();    
  Int32   len   =   6;    
  int   res   =   SendARP(ldest,0,   ref   macinfo,   ref   len);    
  return   macinfo;    
  }    
  catch(Exception   err)    
  {    
  Console.WriteLine("Error:{0}",err.Message);    
  }    
  return   0;    
  }    
  }  
  } 

[artwl_cn]

关注!

[HDNGO]

using System;
using System.Management;
namespace Soyee.Comm
{
    /// <summary>
    /// Computer Information
    /// </summary>
    public class Computer
    {
        public string CpuID;
        public string MacAddress;
        public string DiskID;
        public string IpAddress;
        public string LoginUserName;
        public string ComputerName;
        public string SystemType;
        public string TotalPhysicalMemory; //单位：M
        private static Computer _instance;
        public static Computer Instance()
        {
            if (_instance == null)
                _instance = new Computer();
            return _instance;
        }
        public  Computer()
        {
            CpuID = GetCpuID();
            MacAddress = GetMacAddress();
            DiskID = GetDiskID();
            IpAddress = GetIPAddress();
            LoginUserName = GetUserName();
            SystemType = GetSystemType();
            TotalPhysicalMemory = GetTotalPhysicalMemory();
            ComputerName = GetComputerName();
        }
        string GetCpuID()
        {
            try
            {
                //获取CPU序列号代码
                string cpuInfo = "";//cpu序列号
                ManagementClass mc = new ManagementClass("Win32_Processor");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    cpuInfo = mo.Properties["ProcessorId"].Value.ToString();
                }
                moc = null;
                mc = null;
                return cpuInfo;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }
        string GetMacAddress()
        {
            try
            {
                //获取网卡硬件地址
                string mac = "";
                ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    if ((bool)mo["IPEnabled"] == true)
                    {
                        mac = mo["MacAddress"].ToString();
                        break;
                    }
                }
                moc = null;
                mc = null;
                return mac;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }
        string GetIPAddress()
        {
            try
            {
                //获取IP地址
                string st = "";
                ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    if ((bool)mo["IPEnabled"] == true)
                    {
                        //st=mo["IpAddress"].ToString();
                        System.Array ar;
                        ar = (System.Array)(mo.Properties["IpAddress"].Value);
                        st = ar.GetValue(0).ToString();
                        break;
                    }
                }
                moc = null;
                mc = null;
                return st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }

        string GetDiskID()
        {
            try
            {
                //获取硬盘ID
                String HDid = "";
                ManagementClass mc = new ManagementClass("Win32_DiskDrive");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    HDid = (string)mo.Properties["Model"].Value;
                }
                moc = null;
                mc = null;
                return HDid;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }

        /// <summary>
        /// 操作系统的登录用户名
        /// </summary>
        /// <returns></returns>
        string GetUserName()
        {
            try
            {
                string st = "";
                ManagementClass mc = new ManagementClass("Win32_ComputerSystem");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {

                    st = mo["UserName"].ToString();

                }
                moc = null;
                mc = null;
                return st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }


        /// <summary>
        /// PC类型
        /// </summary>
        /// <returns></returns>
        string GetSystemType()
        {
            try
            {
                string st = "";
                ManagementClass mc = new ManagementClass("Win32_ComputerSystem");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {

                    st = mo["SystemType"].ToString();

                }
                moc = null;
                mc = null;
                return st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }

        }

        /// <summary>
        /// 物理内存
        /// </summary>
        /// <returns></returns>
        string GetTotalPhysicalMemory()
        {
            try
            {

                string st = "";
                ManagementClass mc = new ManagementClass("Win32_ComputerSystem");
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {

                    st = mo["TotalPhysicalMemory"].ToString();

                }
                moc = null;
                mc = null;
                return st;
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        string GetComputerName()
        {
            try
            {
                return System.Environment.GetEnvironmentVariable("ComputerName");
            }
            catch
            {
                return "unknow";
            }
            finally
            {
            }
        }


    }
} 

[CrazyFor]

[Quote=引用 1 楼 hdngo 的回复:]
C# codeusing System;using System.Runtime.InteropServices;namespace UtilityControl
{///<summary>/// 关于IP地址的若干操作///</summary>publicclass IP
{public IP()
{//// TODO: 在此处添加构造函数¡­
[/Quote]

测试了一下，获得的值和用IPConfig/all看到的值不一样。
是什么问题？

[真相重于对错]

不可能完全获得,mac地址是在iso 七层的第二层上传播,http 是在3层以上

[真相重于对错]

如果是在服务器和客户端在同一局域网下,可以用arp 协议获取客户端mac

[CrazyFor]

[Quote=引用 5 楼 hdt 的回复:]
不可能完全获得,mac地址是在iso 七层的第二层上传播,http 是在3层以上

如果是在服务器和客户端在同一局域网下,可以用arp 协议获取客户端mac

[/Quote]

不在同一局域网的，你说的不可能完全获得意思是不是能抓到部份MAC地址，误差大概多大？

[yanlong521521]

关注下！帮顶

[真相重于对错]

基本是不可能的,路由器会过滤掉

[Pig23]

杀软直接干掉