RE: devfs again, (was RE: USB device allocation)

Shawn Leas (SLEAS@videoupdate.com)
Thu, 7 Oct 1999 14:22:29 -0500


From: Horst von Brand [mailto:vonbrand@inf.utfsm.cl]
Subject: Re: devfs again, (was RE: USB device allocation)

> > > now that's nice. Much easier to admin, which leads to
> > better security, etc.

>This is _horrible_. Suddenly there are files whose attributes aren't fixed
>by chmod(1)/chown(1), but by a magic file.

Nooo... If untouched by devfs (userland, operator, etc.) it is DETERMINED
BY THE DRIVER. DUH! As STATED IN THE FAQ. Read the damn FAQ before spreading
misinformation. You should call yourself Dr. Nick Riviera.

>Again. The way Unix is designed, permanent information about files resides
>in the filesystem. Another basic Unix design premise is that devices are
>files. So their attributes reside in the filesystem. Anything else breaks
>much ("tar cf dev.tar /dev", ..., "tar xf dev.tar /dev" doesn't work
>anymore (but it looks like it does!); can't dump/restore /dev; ...). It
>might also have _very_ serious security implications (what if the magic
>devfs.conf file goes missing, or is clobbered?)

I'm thinking your Ph.D. is in sociology or something, as I've never met
people
more divisive than sociologists.

-Shawn

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