'-----------------------------代码开始-------------------------------------------------- Declare Function bind Lib "ws2_32.dll" (ByVal s As Long, addr As SOCK_ADDR, ByVal namelen As Long) As Long Declare Function closesocket Lib "ws2_32.dll" (ByVal s As Long) As Long Declare Function connect Lib "ws2_32.dll" (ByVal s As Long, name As SOCK_ADDR, ByVal namelen As Integer) As Long Declare Function inet_addr Lib "ws2_32.dll" (ByVal cp As String) As Long Declare Function htons Lib "ws2_32.dll" (ByVal hostshort As Integer) As Integer Declare Function recv Lib "ws2_32.dll" (ByVal s As Long, buffer As Any, ByVal length As Long, ByVal flags As Long) As Long Declare Function send Lib "ws2_32.dll" (ByVal s As Long, buffer As Any, ByVal length As Long, ByVal flags As Long) As Long Declare Function shutdown Lib "ws2_32.dll" (ByVal s As Long, ByVal how As Long) As Long Declare Function ioctlsocket Lib "ws2_32.dll" (ByVal s As Long, ByVal v As Long, ut As Long) As Long Declare Function socket Lib "ws2_32.dll" (ByVal af As Long, ByVal type_specification As Long, ByVal protocol As Long) As Long Declare Function WSACancelBlockingCall Lib "ws2_32.dll" () As Long Declare Function WSACleanup Lib "ws2_32.dll" () As Long Declare Function WSAGetLastError Lib "ws2_32.dll" () As Long Declare Function WSAStartup Lib "ws2_32.dll" (ByVal wVersionRequired As Integer, wsData As WSA_DATA) As Long Declare Function WSASocketA Lib "ws2_32.dll" (ByVal af As Long, ByVal type1 As Long, ByVal protocol As Long, lpProtocolInfo As Long, g As Long, ByVal dwFlags As Long) Declare Function WSAIoctl Lib "ws2_32.dll" (ByVal s As Long, ByVal dwIoControlCode As Long, lpvInBuffer As Long, ByVal cbInBuffer As Long, lpvOutBuffer As Long, ByVal cbOutBuffer As Long, lpcbBytesReturned As Long, lpOverlapped As Long, lpCompletionRoutine As Long) As Long
Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal length As Long)
Public Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)
Public Const WSADESCRIPTION_LEN = 256 Public Const WSASYS_STATUS_LEN = 128
Type WSA_DATA wVersion As Integer wHighVersion As Integer strDescription(WSADESCRIPTION_LEN + 1) As Byte strSystemStatus(WSASYS_STATUS_LEN + 1) As Byte iMaxSockets As Integer iMaxUdpDg As Integer lpVendorInfo As Long End Type
Type IN_ADDR S_addr As Long End Type
Type SOCK_ADDR sin_family As Integer sin_port As Integer sin_addr As IN_ADDR sin_zero(0 To 7) As Byte End Type
Type IPHeader lenver As Byte tos As Byte len As Integer ident As Integer flags As Integer ttl As Byte proto As Byte checksum As Integer sourceIP As Long destIP As Long End Type
如下面的代码可找到IP但数据不够详细。
Option Explicit
'-----------------------------代码开始--------------------------------------------------
Declare Function bind Lib "ws2_32.dll" (ByVal s As Long, addr As SOCK_ADDR, ByVal namelen As Long) As Long
Declare Function closesocket Lib "ws2_32.dll" (ByVal s As Long) As Long
Declare Function connect Lib "ws2_32.dll" (ByVal s As Long, name As SOCK_ADDR, ByVal namelen As Integer) As Long
Declare Function inet_addr Lib "ws2_32.dll" (ByVal cp As String) As Long
Declare Function htons Lib "ws2_32.dll" (ByVal hostshort As Integer) As Integer
Declare Function recv Lib "ws2_32.dll" (ByVal s As Long, buffer As Any, ByVal length As Long, ByVal flags As Long) As Long
Declare Function send Lib "ws2_32.dll" (ByVal s As Long, buffer As Any, ByVal length As Long, ByVal flags As Long) As Long
Declare Function shutdown Lib "ws2_32.dll" (ByVal s As Long, ByVal how As Long) As Long
Declare Function ioctlsocket Lib "ws2_32.dll" (ByVal s As Long, ByVal v As Long, ut As Long) As Long
Declare Function socket Lib "ws2_32.dll" (ByVal af As Long, ByVal type_specification As Long, ByVal protocol As Long) As Long
Declare Function WSACancelBlockingCall Lib "ws2_32.dll" () As Long
Declare Function WSACleanup Lib "ws2_32.dll" () As Long
Declare Function WSAGetLastError Lib "ws2_32.dll" () As Long
Declare Function WSAStartup Lib "ws2_32.dll" (ByVal wVersionRequired As Integer, wsData As WSA_DATA) As Long
Declare Function WSASocketA Lib "ws2_32.dll" (ByVal af As Long, ByVal type1 As Long, ByVal protocol As Long, lpProtocolInfo As Long, g As Long, ByVal dwFlags As Long)
Declare Function WSAIoctl Lib "ws2_32.dll" (ByVal s As Long, ByVal dwIoControlCode As Long, lpvInBuffer As Long, ByVal cbInBuffer As Long, lpvOutBuffer As Long, ByVal cbOutBuffer As Long, lpcbBytesReturned As Long, lpOverlapped As Long, lpCompletionRoutine As Long) As Long
Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal length As Long)
Public Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)
Public Const WSADESCRIPTION_LEN = 256
Public Const WSASYS_STATUS_LEN = 128
Type WSA_DATA
wVersion As Integer
wHighVersion As Integer
strDescription(WSADESCRIPTION_LEN + 1) As Byte
strSystemStatus(WSASYS_STATUS_LEN + 1) As Byte
iMaxSockets As Integer
iMaxUdpDg As Integer
lpVendorInfo As Long
End Type
Type IN_ADDR
S_addr As Long
End Type
Type SOCK_ADDR
sin_family As Integer
sin_port As Integer
sin_addr As IN_ADDR
sin_zero(0 To 7) As Byte
End Type
Type IPHeader
lenver As Byte
tos As Byte
len As Integer
ident As Integer
flags As Integer
ttl As Byte
proto As Byte
checksum As Integer
sourceIP As Long
destIP As Long
End Type
Const AF_INET = 2
Const SOCK_RAW = 3
Const IPPROTO_IP = 0
Const IPPROTO_TCP = 6
Const IPPROTO_UDP = 17
Const MAX_PACK_LEN = 65535
Const SOCKET_ERROR = -1&
Private mwsaData As WSA_DATA
Private m_hSocket As Long
Private msaLocalAddr As SOCK_ADDR
Private msaRemoteAddr As SOCK_ADDR
Const WSANOERROR = 0
Const INVALID_SOCKET = -1
Sub Main()
Dim nResult As Long
nResult = WSAStartup(&H202, mwsaData)
If nResult <> WSANOERROR Then
MsgBox "Error en WSAStartup"
Exit Sub
End If
m_hSocket = socket(AF_INET, SOCK_RAW, IPPROTO_IP)
If (m_hSocket = INVALID_SOCKET) Then
MsgBox "Error in socket"
Exit Sub
End If
msaLocalAddr.sin_family = AF_INET
msaLocalAddr.sin_port = 4000
msaLocalAddr.sin_addr.S_addr = inet_addr("192.168.1.6") '这里需要你自己的网卡的IP地址
nResult = bind(m_hSocket, msaLocalAddr, Len(msaLocalAddr))
If (nResult = SOCKET_ERROR) Then
MsgBox "Error in bind"
Exit Sub
End If
Dim InParamBuffer As Long
Dim BytesRet As Long
BytesRet = 0
InParamBuffer = 1
nResult = ioctlsocket(m_hSocket, &H98000001, 1)
If nResult <> 0 Then
MsgBox "ioctlsocket"
Exit Sub
End If
Dim strData As String
Dim nReceived As Long
'截获来的数据放在BUFF里面
Dim Buff(0 To MAX_PACK_LEN) As Byte
Dim IPH As IPHeader
Do Until False '这个例子里,一直获取
DoEvents
nResult = recv(m_hSocket, Buff(0), MAX_PACK_LEN, 0)
If nResult = SOCKET_ERROR Then
MsgBox "Error in RecvData::recv"
Exit Do
End If
CopyMemory IPH, Buff(0), Len(IPH) '为了访问方便
Select Case IPH.proto
Case IPPROTO_TCP
'frmHookTcpip.Text1.SelText = HexIp2DotIp(IPH.sourceIP)
'frmHookTcpip.Text1.SelText = " -----> "
'frmHookTcpip.Text1.SelText = HexIp2DotIp(IPH.destIP)
'frmHookTcpip.Text1.SelText = vbCrLf
Debug.Print HexIp2DotIp(IPH.sourceIP) & " -----> " & HexIp2DotIp(IPH.destIP)
End Select
Loop
nResult = shutdown(m_hSocket, 2)
nResult = closesocket(m_hSocket)
nResult = WSACancelBlockingCall
nResult = WSACleanup
End Sub
Function HexIp2DotIp(ByVal ip As Long) As String
Dim s As String, p1 As String, p2 As String, p3 As String, p4 As String
s = Right("00000000" & Hex(ip), 8)
p1 = Val("&h" & Mid(s, 1, 2))
p2 = Val("&h" & Mid(s, 3, 2))
p3 = Val("&h" & Mid(s, 5, 2))
p4 = Val("&h" & Mid(s, 7, 2))
HexIp2DotIp = p4 & "." & p3 & "." & p2 & "." & p1
End Function
'-----------------------------代码结束--------------------------------------------------