asp 讀取網卡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
If GetMac(RemoteAddr)<> "" then
session("mac") = GetMac(RemoteAddr)
End If
sql="select * From MacAddress where mac_address='"&GetMac(RemoteAddr)&"'"
set rst = server.CreateObject("ADODB.Recordset")
rst.open sql,conn,1,3
set rst=nothing
Response.Write(GetMac(RemoteAddr))

'由於讀取某IP的網卡MAC地址


'本程式調用arp命令通過查詢本機arp表讀取特定IP的MAC地址


'本程式需要“WSCRIPT.SHELL”和“Scripting.FileSystemObject”兩個組件，

'請確保您的伺服器可以正常使用這兩個組件

'本程式需要調用Cmd.exe程式,臨時檔案儲存結果，請確保IIS來賓帳號對程式有存取權限,

'臨時目錄有寫'權'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="d:\temp\" '臨時目錄
szTempFile = TempPath & oFileSys.GetTempName() ' 擷取臨時檔案名稱
Call oScript.Run ("cmd.exe /c ping -n 2 " & IP, 0, True) 'Arp表中須有此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 > IpcAnd ipc > 0 Then
GetMac=Ucase(Trim(CStr(Mid(arr(3), phyc, typec - phyc))))
End If
End If
End function
%>