Speaking of such, are there any utils that allow me to do a lowlevel on an IDE
drive? If not, how feasible is the task of writing one?
-d
Andre Hedrick wrote:
> On Thu, 20 Jul 2000, Ricky Beam wrote:
>
> > On Thu, 20 Jul 2000, Andre Hedrick wrote:
> > >> > Here is the rouge program that can be slipped into CRON.
> > >> > A perl script......you name the access point and it gets permission
> > >> > KISS your DATA GONE!
> > >> >
> > >>
> > >> it needs root right? so with this util root can trash the disk.. so what's
> > >> new?
> > >
> > >All you have to do is trick the kernel into thinking the access is root.
> >
> > And all I have to do is "trick the kernel" into sending five bytes to your
> > ATAPI or SCSI drive and it'll be chicken-fried! (12 bytes to some drives and
> > it'll be on it's way back to the factory for a new flash rom.)
>
> This is why unresticted taskfile commands to ATA or SCSI must be filtered.
> You make the point ever stronger. With the patch for ATA and diagnostic
> TASK commands not enabled. the kernel can prevent what you are saying can
> be done. Thus the stakes are now higher, and I did not want to bring SCSI
> into this arena until a solution was in progress. But now you have
> done it.
>
> SCSI has a one or two page taskfile limit, enough to do what you are
> saying.
>
> Andre Hedrick
> The Linux ATA/IDE guy
>
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