On Mon, 20 Nov 2000, Paul Jakma wrote:
> On Mon, 20 Nov 2000, Mark McLoughlin wrote:
> > Am I missing something here, just how does ping -I'blah de blah'
> > end up giving you modprobe 'blah de blah'?
>> kernel sees there is no interface called 'blah de blah'. kernel
> invokes modprobe to try configure this interface and passes the 'blah
> de blah' straight to modprobe. modprobe at some points execs a shell
> (for a reason i can't remember - insmod maybe) with
But in the code I posted from set_sockopt ( where you would actually
bind the socket to the interface specfied by the ping -I ) it doesn't
try to configure the device if it's not there. It just returns EINVAL..
> the ping case is just an example. the real problem is that neither the
> kernel nor modutils check data that came from an unpriviledged source
> when invoking priviledged commands.
I appreciate that, it's just that I can't see using ping to do it
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