- Option Explicit
- Private Const NCBASTAT = &H33
- Private Const NCBNAMSZ = 16
- Private Const HEAP_ZERO_MEMORY = &H8
- Private Const HEAP_GENERATE_EXCEPTIONS = &H4
- Private Const NCBRESET = &H32
- Private Type NCB
- ncb_command As Byte 'Integer
- ncb_retcode As Byte 'Integer
- ncb_lsn As Byte 'Integer
- ncb_num As Byte ' Integer
- ncb_buffer As Long 'String
- ncb_length As Integer
- ncb_callname As String * NCBNAMSZ
- ncb_name As String * NCBNAMSZ
- ncb_rto As Byte 'Integer
- ncb_sto As Byte ' Integer
- ncb_post As Long
- ncb_lana_num As Byte 'Integer
- ncb_cmd_cplt As Byte 'Integer
- ncb_reserve(9) As Byte ' Reserved, must be 0
- ncb_event As Long
- End Type
- Private Type ADAPTER_STATUS
- adapter_address(5) As Byte 'As String * 6
- rev_major As Byte 'Integer
- reserved0 As Byte 'Integer
- adapter_type As Byte 'Integer
- rev_minor As Byte 'Integer
- duration As Integer
- frmr_recv As Integer
- frmr_xmit As Integer
- iframe_recv_err As Integer
- xmit_aborts As Integer
- xmit_success As Long
- recv_success As Long
- iframe_xmit_err As Integer
- recv_buff_unavail As Integer
- t1_timeouts As Integer
- ti_timeouts As Integer
- Reserved1 As Long
- free_ncbs As Integer
- max_cfg_ncbs As Integer
- max_ncbs As Integer
- xmit_buf_unavail As Integer
- max_dgram_size As Integer
- pending_sess As Integer
- max_cfg_sess As Integer
- max_sess As Integer
- max_sess_pkt_size As Integer
- name_count As Integer
- End Type
- Private Type NAME_BUFFER
- name As String * NCBNAMSZ
- name_num As Integer
- name_flags As Integer
- End Type
- Private Type ASTAT
- adapt As ADAPTER_STATUS
- NameBuff(30) As NAME_BUFFER
- End Type
- Private Declare Function Netbios Lib "netapi32.dll" _
- (pncb As NCB) As Byte
- Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" ( _
- hpvDest As Any, ByVal hpvSource As Long, ByVal cbCopy As Long)
- Private Declare Function GetProcessHeap Lib "kernel32" () As Long
- Private Declare Function HeapAlloc Lib "kernel32" _
- (ByVal hHeap As Long, ByVal dwFlags As Long, _
- ByVal dwBytes As Long) As Long
- Private Declare Function HeapFree Lib "kernel32" (ByVal hHeap As Long, _
- ByVal dwFlags As Long, lpMem As Any) As Long
- Public Function GetMACAddress(sIP As String) As String
- Dim sRtn As String
- Dim myNcb As NCB
- Dim bRet As Byte
- Dim aIP() As String
- Dim x As Long
- Dim nIP As String
- If InStr(sIP, ".") = 0 Then
- GetMACAddress = "无效的IP地址."
- Exit Function
- End If
- aIP = Split(sIP, ".", -1, vbTextCompare)
- If UBound(aIP()) <> 3 Then
- GetMACAddress = "无效的IP地址."
- Exit Function
- End If
- For x = 0 To UBound(aIP())
- If Len(aIP(x)) > 3 Then
- GetMACAddress = "无效的IP地址"
- Exit Function
- End If
- If IsNumeric(aIP(x)) = False Then
- GetMACAddress = "无效的IP地址"
- Exit Function
- End If
- If InStr(aIP(x), ",") <> 0 Then
- GetMACAddress = "无效的IP地址"
- Exit Function
- End If
- If CLng(aIP(x)) > 255 Then
- GetMACAddress = "无效的IP地址"
- Exit Function
- End If
- If nIP = "" Then
- nIP = String(3 - Len(aIP(x)), "0") & aIP(x)
- Else
- nIP = nIP & "." & String(3 - Len(aIP(x)), "0") & aIP(x)
- End If
- Next
- sRtn = ""
- myNcb.ncb_command = NCBRESET
- bRet = Netbios(myNcb)
- myNcb.ncb_command = NCBASTAT
- myNcb.ncb_lana_num = 0
- myNcb.ncb_callname = nIP & Chr(0)
- Dim myASTAT As ASTAT, tempASTAT As ASTAT
- Dim pASTAT As Long
- myNcb.ncb_length = Len(myASTAT)
- pASTAT = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS Or HEAP_ZERO_MEMORY, myNcb.ncb_length)
- If pASTAT = 0 Then
- GetMACAddress = "memory allcoation failed!"
- Exit Function
- End If
- myNcb.ncb_buffer = pASTAT
- bRet = Netbios(myNcb)
- If bRet <> 0 Then
- GetMACAddress = "不能从当前IP地址获得MAC,当前IP地址: " & sIP
- Exit Function
- End If
- CopyMemory myASTAT, myNcb.ncb_buffer, Len(myASTAT)
- Dim sTemp As String
- Dim i As Long
- For i = 0 To 5
- sTemp = Hex(myASTAT.adapt.adapter_address(i))
- If i = 0 Then
- sRtn = IIf(Len(sTemp) < 2, "0" & sTemp, sTemp)
- Else
- sRtn = sRtn & Space(1) & IIf(Len(sTemp) < 2, "0" & sTemp, sTemp)
- End If
- Next
- HeapFree GetProcessHeap(), 0, pASTAT
- GetMACAddress = sRtn
- End Function
使用方法:
- set S_MAC = server.CreateObject( "工程名.类名")
- response.write S_MAC.GetMACAddress(Request.Servervariables("REMOTE_HOST"))
- set S_MAC = nothing