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Date:      Wed, 9 Apr 2003 19:49:00 -0400 (EDT)
From:      Robert Watson <rwatson@FreeBSD.org>
To:        Nate Lawson <nate@root.org>
Cc:        Mike Barcroft <mike@FreeBSD.org>
Subject:   Re: cvs commit: src/usr.bin/killall killall.1 killall.c src/usr.sbin Makefile src/usr.sbin/jail jail.8 jail.c src/usr.sbin/jexec Makefile jexec.8 jexec.c src/usr.sbin/jls Makefile jls.8 jls.c
Message-ID:  <Pine.NEB.3.96L.1030409194655.31027C-100000@fledge.watson.org>
In-Reply-To: <Pine.BSF.4.21.0304091639540.30429-100000@root.org>

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On Wed, 9 Apr 2003, Nate Lawson wrote:

> On Wed, 9 Apr 2003, Alfred Perlstein wrote:
> > * Robert Watson <rwatson@FreeBSD.org> [030409 16:24] wrote:
> > > 
> > > On Thu, 10 Apr 2003, Pawel Jakub Dawidek wrote:
> > > > 
> > > > And there can't be names spoofing. (If, ofcourse '.' is invalid char in
> > > > jail name:)). 
> > > 
> > > Sounds reasonable to me, although a bit more trouble to parse and render
> > > :-).
> > 
> > And what kind of path seperator is '.'?
> 
> Exactly.  What you're describing would be better implemented as a
> pseudo-fs layer.  In fact, that would remove the need for separate j*
> utilities. 

I thought we were trying to get away from synthetic file systems with
terrible security properties.  In fact, we specifically toasted procfs
because it behaved so badly; kernfs went down the tubes because the
semantic match was very poor, and sysctl is in.

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert@fledge.watson.org      Network Associates Laboratories



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