用ASP读取网卡MAC地址

作者：整理

<%
‘’用ASP读取网卡MAC地址
Dim RemoteAddr
If Request.ServerVariables("HTTP_X_FORWARDED_FOR") = Empty Then
RemoteAddr = Request.ServerVariables("REMOTE_ADDR")
Else
RemoteAddr = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
End If
Response.Write(GetMac(RemoteAddr))

‘’‘’由于读取某IP的网卡MAC地址

‘’‘’本程序调用arp命令通过查询本机arp表读取特定IP的MAC地址

‘’‘’本程序需要“WSCRIPT.SHELL”和“Scripting.FileSystemObject”两个组件，

‘’‘’请确保您的服务器可以正常使用这两个组件

‘’‘’本程序需要调用Cmd.exe程序,临时文件保存结果，请确保IIS来宾帐号对程序有访问权限,

‘’‘’临时目录有写‘’‘’权‘’‘’限。

Function GetMac(IP)
On Error Resume Next
Dim oScript
Dim oFileSys, oFile
Dim All, szTempFile,ipc,phyc,typec
Dim TempPath
Set oScript = Server.CreateObject("WSCRIPT.SHELL")
Set oFileSys = Server.CreateObject("Scripting.FileSystemObject")
TempPath="c:\temp\" ‘’‘’临时目录
szTempFile = TempPath & oFileSys.GetTempName() ‘’‘’ 获取临时文件名
Call oScript.Run ("cmd.exe /c ping -n 2 " & IP, 0, True) ‘’‘’Arp表中须有此IP
Call oScript.Run ("cmd.exe /c arp -a " & IP & " > " & szTempFile, 0, True)
Set oFile = oFileSys.OpenTextFile (szTempFile, 1, False, 0)
All=oFile.ReadAll()
oFile.Close
If (IsObject(oFile)) Then
    Call oFileSys.DeleteFile(szTempFile, True)
End If
arr = Split(All, vbCrLf)
If UBound(arr) = 4 Then
    Ipc= InStr(1, arr(2), "Internet Address")
    phyc = InStr(1, arr(2), "Physical Address")
    typec = InStr(1, arr(2), "Type")
    If typec > phyc And phyc > Ipc And ipc > 0 Then
      GetMac=Ucase(Trim(CStr(Mid(arr(3), phyc, typec - phyc))))
    End If
End If
End Function
%>

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