Messages in this thread | | | Date | Mon, 3 Apr 2006 01:07:09 +0200 | From | Marko Euth <> | Subject | Re: Who wants to test cracklinux?? |
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On Mon, 03 Apr 2006 00:39:41 +0200 Arjan van de Ven <arjan@infradead.org> wrote:
> On Sun, 2006-04-02 at 15:34 -0700, Ben Ford wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > Pavel Machek wrote: > > > Hi! > > >> I've written a small kernel module & shared object for kernel 2.6 to > > >> enable the following for normal users: > > >> > > >> - inb()/outb()... via a wrapper function > > > ioperm() does that already, no? You mean, you enable it for non-root, > > > too? That's security hole. > > > > My OS development classes have a lab of machines that run entirely as > > root just for these reasons. I think it's valid to allow these > > operations as non-root in certain situations. It is better than > > running *everything* as root, no?
Yes, that's exactly what the whole module is meant for.
> > is there any difference? I mean... if you can outb you for all intents > and purposes are root anyway ;) (like you can overwrite any memory in > the system etc etc) >
Don't you think beeing root is a little bit more easy than doing everything with outb??? ;))
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