O script abaixo, mediante uma chamada ao Window Script Host, retorna o endereço MAC da placa de rede instalada no client. Note que este script não pode ser executado da máquina com o servidor web.
<%@ LANGUAGE="VBSCRIPT"%>
<%
'**************************************
' Name: MAC address
' Description:Get the clients MAC(Media Access Control)
' address, a hardware address that uniquely
' identifies Each node of a network. Works great on
' LAN's. Firewalls and Proxy's will be an issue
' depending what side of them you're coding for.
' By: Jerry Aguilar
'
'
' Inputs:None
'
' Returns:Returns the client IP and MAC
' address.
'
'Assumes:You can't navigate to it running
' PWS on the same pc but If you are running PWS, you can navigate
' To it from another pc on the same lan (it does
' Not like 127.0.0.1)
'
'Side Effects:None
'
'Warranty:
'code provided by Planet Source Code(tm)
' (http://www.Planet-Source-Code.com) 'as
' is', without warranties as to performanc
' e, fitness, merchantability,and any othe
' r warranty (whether expressed or implied
' ).
'Terms of Agreement:
'By using this source code, you agree to
' the following terms...
' 1) You may use this source code in per
' sonal projects and may compile it into a
' n .exe/.dll/.ocx and distribute it in bi
' nary format freely and with no charge.
' 2) You MAY NOT redistribute this sourc
' e code (for example to a web site) witho
' ut written permission from the original
' author.Failure to do so is a violation o
' f copyright laws.
' 3) You may link to this code from anot
' her website, provided it is not wrapped
' in a frame.
' 4) The author of this code may have re
' tained certain additional copyright righ
' ts.If so, this is indicated in the autho
' r's description.
'**************************************
strIP = Request.ServerVariables("REMOTE_ADDR")
strMac = GetMACAddress(strIP)
strHost = Request.ServerVariables("REMOTE_HOST")
Function GetMACAddress(strIP)
Set net = Server.CreateObject("wscript.network")
Set sh = Server.CreateObject("wscript.shell")
sh.run "%comspec% /c nbtstat -A " & strIP & " > c:\" & strIP & ".txt",0,true
Set sh = nothing
Set fso = createobject("scripting.filesystemobject")
Set ts = fso.opentextfile("c:\" & strIP & ".txt")
macaddress = null
Do While Not ts.AtEndOfStream
data = ucase(trim(ts.readline))
If instr(data,"MAC ADDRESS") Then
macaddress = trim(split(data,"=")(1))
Exit Do
End If
loop
ts.close
Set ts = nothing
fso.deletefile "c:\" & strIP & ".txt"
Set fso = nothing
GetMACAddress = macaddress
End Function
%>
<HTML>
<HEAD>
<TITLE>Say Hello To the MAC MAN</TITLE>
</HEAD>
<BODY>
<%Response.Write("Your IP is : " & strIP & "<BR>" & vbcrlf)%>
<%Response.Write("Your MAC is : " & strMac & vbcrlf)%>
</BODY>
</HTML>
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