Am Mittwoch, 26. Februar 2003 20:14 schrieb Greg KH:
> On Wed, Feb 26, 2003 at 08:16:05PM +0000, Alan Cox wrote:
> > On Wed, 2003-02-26 at 18:24, Greg KH wrote:
> > > > That's the reason it doesn't work. You need hotplug scripts that make
> > > > the device node. Unfortunately that's a race that causes insecurity.
> > >
> > > Not true at all. What's the race?
> >
> > You issue a minor to someone
> > You create the node securely
> > You set permissions appropriately
> >
> > Your box crashes
> >
> > You reboot and assign a different device the id, but how will you clean
> > up the old node ?
>
> With /dev being a ramfs that gets recreated every time the machine is
> rebooted? :)
That seems to be a workaround, not a clean solution.
If you are ready to go this far, you lose all advantages of a disk based
/dev. You might just as well, or rather better, go the whole way and use
devfs.
Regards
Oliver
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