Re: ide-cd problems

[Charles Cazabon]

Jens Axboe <axboe@xxxxxxx> wrote:
> On Fri, Aug 06 2004, Alan Cox wrote:
> > 		default:
> > 			if(capable(CAP_SYS_RAWIO))
> > 			/* Only administrators get to do arbitary things */
> 
> That's the case I don't agree with, and why I didn't like the idea
> originally. That suddenly requires a patching of the kernel because of
> new commands in new devices. Like when dvd readers became common, you
> can't just require people to update their kernel because a few new
> commands are needed to drive them from user space.

The problem is that what if one of the new commands is IGNITE_PLATTER?
Unknown commands can do anything, are therefore extremely dangerous, and
should be restricted.

Charles
-- 
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Charles Cazabon                            <linux@xxxxxxxxxxxxxxxxxxxx>
GPL'ed software available at:     http://www.qcc.ca/~charlesc/software/
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