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sp;
CopyMemory Header, buffer(0), Len(Header) ''''将 buffer 里面的数据复制到 Header 结构里面
''''根据IP头结构的标识来获得是什么类型的数据包，并将 IP 从头结构中分离出来
If Header.proto = 1 Then
protocol = "ICMP"
proticmp inversaip(Hex(Header.destIP)), inversaip(Hex(Header.sourceIP))
End If
If Header.proto = 6 Then
protocol = "TCP"
protcp inversaip(Hex(Header.destIP)), inversaip(Hex(Header.sourceIP))
End If
If Header.proto = 17 Then
protocol = "UDP"
proudp inversaip(Hex(Header.destIP)), inversaip(Hex(Header.sourceIP))
End If
End If
Loop Until res <> 2000
End If
End Sub''''将 16 进制转换为 IP 地址
Public Function inversaip(ByRef lng As String) As String
Dim ips As String Select Case Len(lng)
Case 1
lng = "0000000" & lng
Case 2
lng = "000000" & lng
Case 3
lng = "00000" & lng
Case 4
lng = "0000" & lng
Case 5
lng = "000" & lng
Case 6
lng = "00" & lng
Case 7
lng = "0" & lng
End Select
For i = 1 To Len(lng) Step 2
ips = ips & Val("&h" & Mid(lng, Len(lng) - i, 2)) & "."
Next i inversaip = Mid(ips, 1, Len(ips) - 1)
End Function
Public Function proticmp(saa As String, soc As String) As String
Dim ListTemp As Variant
Set ListTemp = Form1.ListView1.ListItems.Add(, , soc)
ListTemp.SubItems(2) = saa
ListTemp.SubItems(4) = protocol
ListTemp.SubItems(5) = Time
CopyMemory icmpHead, buffer(0 + 20), Len(icmpHead) End Function Public Sub protcp(saa As String, soc As String)
Dim ListTemp As Variant
CopyMemory tcpHead, buffer(0 + 20), Len(tcpHead) Set ListTemp = Form1.ListView1.ListItems.Add(, , soc)
ListTemp.SubItems(1) = ntohs(tcpHead.th_sport)
ListTemp.SubItems(2) = saa
ListTemp.SubItems(3) = ntohs(tcpHead.th_dport)
ListTemp.SubItems(4) = protocol
ListTemp.SubItems(5) = Time
End Sub Public Sub proudp(saa As String, soc As String)
Dim ListTemp As Variant
CopyMemory udpHead, buffer(0 + 20), Len(udpHead)
Set ListTemp = Form1.ListView1.ListItems.Add(, , soc)
ListTemp.SubItems(1) = ntohs(udpHead.th_sport)
ListTemp.SubItems(2) = saa
ListTemp.SubItems(3) = ntohs(udpHead.th_dport)
ListTemp.SubItems(4) = protocol
ListTemp.SubItems(5) = Time
End Sub
--------------------------------------------------------------------------------------------------------------------------------------------------------
彩色的太费时间了，所以就直接贴了！呵呵！ --------------------------------------------------------------------------------------------------------------------------------------------------------
点击给我留言 -------------------------------------------------------------------------------------------------------------------------------------------------------- Private Sub Form_Load()
CountID = 0
ExitID = False
ListView1.ColumnHeaders.Add 1, , "源 IP", 1500
ListView1.ColumnHeaders.Add 2, , "源端口", 1500
ListView1.ColumnHeaders.Add 3, , "目标 IP", 1500
ListView1.ColumnHeaders.Add 4, , "目标端口", 1500
ListView1.ColumnHeaders.Add 5, , "协议", 1500
ListView1.ColumnHeaders.Add 6, , "时间", 1500
End Sub Private Sub Form_Unload(Cancel As Integer)
Call WCleanup(s)
Unload Me
End Sub Private Sub ListView1_Click()
Dim coun As Long
Dim sar As String, sar3 As String
Dim sar1 As String, sar2 As String RichTextBox1.Text = "" ''''清除 RichTextBox1
Dim buffer() As Byte
buffer = str If ListView1.SelectedItem Is Nothing Then ''''如果 ListView1 控件没有数值则提示错误
Exit Sub
End If
''''将 buffer 的值（即通过 Recibir 接收的数据包）转换为一定格式并在 RichTextBox1 控件下显示出来
For i = 0 To resarray(ListView1.SelectedItem.Index)
coun = coun + 1
If Len(Hex(buffer(i))) = 1 Then
sar = "0" & Hex(buffer(i))
Else
sar = Hex(buffer(i))
End If
sar3 = sar3 & sar
If Asc(Chr("&h" & Hex(buffer(i)))) < 32 Then
sar1 = "."
Else
sar1 = Chr("&h" & Hex(buffer(i)))
End If
sar2 = sar2 & sar1
RichTextBox1.Text = RichTextBox1.Text & sar & " "
If coun = 15 Then
RichTextBox1.Text = RichTextBox1.Text & " |" & sar2 & vbCrLf:
coun = 0
sar2 = ""
sar3 = ""
End If
Next i
If coun < 15 Then
r = 44 - (coun * 3) + 1
es = String(r, Chr(32))
RichTextBox1.Text = RichTextBox1.Text & es & " |" & sar2
End If
End Sub Private Sub M_Clear_Click()
ListView1.ListItems.Clear
RichTextBox1.Text = ""
End Sub ''''程序开始捕捉
Private Sub M_Start_Click()
ListView1.ListItems.Clear
RichTextBox1.Text = ""
Connecting ip(hostname), MsgHwnd ''''开始截取封包
End Sub
Private Sub M_Stop_Click()
ExitID = True ''''停止截取封包
End Sub
Private Sub MsgHwnd_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
CountID = CountID + 1
Recibir s, 1
If ExitID = True Then
Call WCleanup(s)
ExitID = False
MsgBox "退出", vbOKOnly, "数据封包截取"
End If
End Sub 模块： Option Explicit ''''WSAstartup 用来判断 Windows 所支持的 Winsock 版本，也就是初始化 Winsock DLL，其中第一个参数为你所想需要的Winsock版本！低字节为主版本，高字节为副版本！由于目前Winsock有两个版本：1.1和2.2，因此该参数可以是0x101或0x202；第二个参数是一个WSADATA结构，用于接收函数的返回信息！WSAStartup函数调用成功会返回0，否则返回非0值！
''''WSACleanup 用来关闭 Winsock，与 WSAstartup 一起使用，即 WSAstartup 也可以看为启动 Winsock
''''gethostbyname 用来返回一个关于主机信息的 上一页 [1] [2] [3] [4] [5] [6] 下一页
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