Re: COmpact Framework Network Sniffing
- From: "Paul G. Tobey [eMVP]" <p space tobey no spam AT no instrument no spam DOT com>
- Date: Thu, 22 Mar 2007 08:52:30 -0700
You aren't going to be able to do that. At most, you'll be able to display
the UI with a Compact Framework application. You'll have to completely
rewrite the actual sniffing code to work with the Windows CE network stack
and that's very likely to involve writing an intermediate driver (native
code) to capture the packets and forward them, via a point-to-point message
queue, maybe, to the waiting UI program.
Paul T.
<Graville@xxxxxxxxx> wrote in message
news:1174558685.829863.59920@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Hi All,
I am having a problem writing a a simpe IP packet sniffer for Windows
Mobile 5. I have taken a simple piece of code that works fine on the
standard framework but when I run under CF 2.0 I get compilation
errors in relation to the IOControlCode enum which the compact
framework does not recognise. I get an error "The name 'IOControlCode'
does not exist in the current context" I'm assuming raw socket
capturing is supported in CF 2.0. Does anyone know what the enum value
should be as CF expects an int but i tried the int -1744830463 which i
found on the MSDN website but this fails.
//For sniffing the socket to capture the packets has to be a raw
socket, with the
//address family being of type internetwork, and protocol being IP
mainSocket = new Socket(AddressFamily.InterNetwork,
SocketType.Raw, ProtocolType.IP);
//Bind the socket to the selected IP address
mainSocket.Bind(new IPEndPoint(IPAddress.Parse(cmbInterfaces.Text),
0));
//Set the socket options
mainSocket.SetSocketOption(SocketOptionLevel.IP, //Applies
only to IP packets
SocketOptionName.HeaderIncluded, //
Set the include the header
true); //
option to true
byte[] byTrue = new byte[4] { 1, 0, 0, 0 };
byte[] byOut = new byte[4];
//Socket.IOControl is analogous to the WSAIoctl method of Winsock 2
mainSocket.IOControl(IOControlCode.ReceiveAll, //THIS LINE
FAILS
byTrue,
byOut);
//Start receiving the packets asynchronously
mainSocket.BeginReceive(byteData, 0, byteData.Length,
SocketFlags.None,
new AsyncCallback(OnReceive), null);
Hope you can help,
Dave Hanson
.
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