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获取MAC地址的几种方式

2015-01-19 08:53 169 查看

.NET 后台中

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Runtime.InteropServices;
namespace WebApplication3
{
public partial class a1 : System.Web.UI.Page
{
[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);
protected void Page_Load(object sender, EventArgs e)
{
Response.Write(GetClientMAC());
Response.Write("<br>");
Response.Write(gett());
return;
}
///<summary>
///得到客户端ip
///</summary>
///<returns>ip</returns>
private static string GetClientIP()
{
string result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (null == result || result == String.Empty)
{
result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
if (null == result || result == String.Empty)
{
result = HttpContext.Current.Request.UserHostAddress;
}
return result;
}

///<summary>
/// 利用客户端ip得到客户端mac
///</summary>
///<param name="remoteip">客户端ip</param>
///<returns>int16类型的mac</returns>
static private Int64 getremotemac(string remoteip)
{
Int32 ldest = inet_addr(remoteip);
try
{
Int64 macinfo = new Int64();
Int32 len = 6;
int res = SendARP(ldest, 0, ref   macinfo, ref   len);
return macinfo;
}
catch (Exception err)
{
throw err;
}
return 0;
}

///<summary>
/// int64类型的mac转换成正确的客户端mac
///</summary>
///<returns>mac</returns>
public static string GetClientMAC()
{
Int64 macid = getremotemac(GetClientIP());
if (macid == 0)
return "0";
string beforeMacAddr = Convert.ToString(macid, 16);
string endMacAddr = "";
string[] macArray = new string[6];
for (int i = 0; i < 6; i++)
{
macArray[i] = beforeMacAddr.Substring(i * 2, 2);
}
for (int i = 0; i < 6; i++)
{
endMacAddr += macArray[5 - i] + "-";
}
endMacAddr = endMacAddr.Substring(0, endMacAddr.Length - 1);
endMacAddr = endMacAddr.ToUpper();
return endMacAddr;
}
public static string gett()
{
string userip = HttpContext.Current.Request.UserHostAddress;
string strClientIP = HttpContext.Current.Request.UserHostAddress.ToString().Trim();
Int32 ldest = inet_addr(strClientIP); //目的地的ip
Int32 lhost = inet_addr("");   //本地服务器的ip
Int64 macinfo = new Int64();
Int32 len = 6;
int res = SendARP(ldest, 0, ref macinfo, ref len);
string mac_src = macinfo.ToString("X");
if (mac_src == "0")
{
if (userip == "127.0.0.1")
return "正在访问Localhost!";
else
return "欢迎来自IP为" + userip + "的朋友！" + "<br>";
}

while (mac_src.Length < 12)
{
mac_src = mac_src.Insert(0, "0");
}

string mac_dest = "";

for (int i = 0; i < 11; i++)
{
if (0 == (i % 2))
{
if (i == 10)
{
mac_dest = mac_dest.Insert(0, mac_src.Substring(i, 2));
}
else
{
mac_dest = "-" + mac_dest.Insert(0, mac_src.Substring(i, 2));
}
}
}

return "欢迎来自IP为" + userip + "<br>" + ",MAC地址为" + mac_dest + "的朋友！" + "<br>";
}

}
}

JS 中（限IE安装插件之后）：

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="a1.aspx.cs" Inherits="WebApplication3.a1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<div style="display:none">
<OBJECT id=locator classid=CLSID:76A64158-CB41-11D1-8B02-00600806D9B6 VIEWASTEXT></OBJECT>
<OBJECT id=foo classid=CLSID:75718C9A-F029-11d1-A1AC-00C04FB6C223></OBJECT>
</div>
<form id="formfoo" name="formfoo"  runat="server">
<div>
<br/>MAC地址：<input type="text" name="macAddress">*仅IE浏览器下 显示，如果不显示 IE浏览器需要做设置允许未标记的activex
<br/>IP地址：<input type="text" name="ipAddress">
<br/>主机名：<input type="text" name="hostName">
</div>

<script language="javascript">
var sMacAddr="";
var sIPAddr="";
var sDNSName="";
var service = locator.ConnectServer();
service.Security_.ImpersonationLevel=3;
service.InstancesOfAsync(foo, 'Win32_NetworkAdapterConfiguration');
</script>
<script FOR="foo" EVENT="OnObjectReady(objObject,objAsyncContext)" LANGUAGE="JScript">
if(objObject.IPEnabled != null && objObject.IPEnabled != "undefined" && objObject.IPEnabled == true){
if(objObject.IPEnabled && objObject.IPAddress(0) !=null && objObject.IPAddress(0) != "undefined")
sIPAddr = objObject.IPAddress(0);
if(objObject.MACAddress != null &&objObject.MACAddress != "undefined")
sMacAddr = objObject.MACAddress;
if(objObject.DNSHostName != null &&objObject.DNSHostName != "undefined")
sDNSName = objObject.DNSHostName;
}
</script>

<script FOR="foo" EVENT="OnCompleted(hResult,pErrorObject, pAsyncContext)" LANGUAGE="JScript">
formfoo.macAddress.value=sMacAddr;
formfoo.ipAddress.value=sIPAddr;
formfoo.hostName.value=sDNSName;
</script>
</form>
</body>
</html>

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