Re:ip를 입력해서 mac address를 구할는 방법좀 부탁드립니다..

[jinu]

아이피를 입력해서 구하는 방법은 잘모르겠구여...
제가 갖고 있는 자료중에 NETAPI32.DLL의 NetBios라는 함수를
사용해서 이더넷 카드의 MAC 주소 정보를 알아내는 방법이
있으니 이걸 알려드리겠습니다...
(참고로 이건 VB4.0입니다.. 경우에 따라 수정이 필요할수도있습니다)
일단 폼에 버튼하나 올려놓구 폼에 코딩하세여...

Option Explicit

Public Const NCBASTAT = &H33
Public Const NCBNAMSZ = 16
Public Const MEM_RESERVE = &H2000
Public Const MEM_COMMIT = &H1000
Public Const MEM_RELEASE = &H8000
Public Const PAGE_READWRITE = &H4
Public Const HEAP_ZERO_MEMORY = &H8
Public Const HEAP_GENERATE_EXCEPTIONS = &H4
Public Const NCBRESET = &H32

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
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
Type NAME_BUFFER
name As String * NCBNAMSZ
name_num As Integer
name_flags As Integer
End Type
Type ASTAT
adapt As ADAPTER_STATUS
NameBuff(30) As NAME_BUFFER
End Type


Declare Function Netbios Lib "netapi32.dll" _
(pncb As NCB) As Byte
Declare Sub CopyMemory Lib "kernel32" Alias _
"RtlMoveMemory" ( hpvDest As Any, ByVal hpvSource As Long, _
ByVal cbCopy As Long)
Declare Function VirtualAlloc Lib "kernel32" (lpAddress As Long, _
ByVal dwSize As Long, ByVal flAllocationType As Long, _
ByVal flProtect As Long) As Long
Declare Function VirtualFree Lib "kernel32" (lpAddress As Any, _
ByVal dwSize As Long, ByVal dwFreeType As Long) As Long
Declare Function GetProcessHeap Lib "kernel32" () As Long
Declare Function HeapAlloc Lib "kernel32" (ByVal hHeap As Long, _
ByVal dwFlags As Long, ByVal dwBytes As Long) As Long
Declare Function HeapFree Lib "kernel32" (ByVal hHeap As Long, _
ByVal dwFlags As Long, lpMem As Any) As Long

Private Sub Command1_Click()
Dim myNcb As NCB
Dim bRet As Byte
myNcb.ncb_command = NCBRESET
bRet = Netbios(myNcb)

myNcb.ncb_command = NCBASTAT
myNcb.ncb_lana_num = 0
myNcb.ncb_callname = "* "

Dim myASTAT As ASTAT, tempASTAT As ASTAT
Dim pASTAT As Long
myNcb.ncb_length = Len(myASTAT)
Debug.Print Err.LastDllError
pASTAT = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS Or _
HEAP_ZERO_MEMORY, myNcb.ncb_length)
If pASTAT = 0 Then
Debug.Print "memory allcoation failed!"
Exit Sub
End If
myNcb.ncb_buffer = pASTAT
bRet = Netbios(myNcb)
Debug.Print Err.LastDllError
CopyMemory myASTAT, myNcb.ncb_buffer, Len(myASTAT)
MsgBox Hex(myASTAT.adapt.adapter_address(0)) & " " & _
Hex(myASTAT.adapt.adapter_address(1)) _
& " " & Hex(myASTAT.adapt.adapter_address(2)) & " " & _
Hex(myASTAT.adapt.adapter_address(3)) _
& " " & Hex(myASTAT.adapt.adapter_address(4)) & " " & _
Hex(myASTAT.adapt.adapter_address(5))

HeapFree GetProcessHeap(), 0, pASTAT

End Sub

그럼 도움이 되셨길.......