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Date:      17 Dec 1998 07:44:37 +0100
From:      Dag-Erling Smorgrav <des@flood.ping.uio.no>
To:        Jos Backus <Jos.Backus@nl.origin-it.com>
Cc:        committers@FreeBSD.ORG
Subject:   Re: Bind sandbox bogosity
Message-ID:  <xzpempzi7xm.fsf@flood.ping.uio.no>
In-Reply-To: Jos Backus's message of "Wed, 16 Dec 1998 22:24:30 %2B0100"
References:  <xzpvhjembb6.fsf@flood.ping.uio.no> <19981216222430.A93098@hal.mpn.cp.philips.com>

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Jos Backus <Jos.Backus@nl.origin-it.com> writes:
> On Tue, Dec 15, 1998 at 02:41:17AM +0100, Dag-Erling Smorgrav wrote:
> > Solution 1: don't run named as bind:bind (and consequently back out
> >   revision 1.64 of src/etc/rc.conf and revisions 1.33 and 1.32 of
> >   src/etc/mtree/BSD.root.dist)
> > 
> > Solution 2: hack bind to temporarily regain privs when HUPed.
> 
> Solution 3: hack update_pid_file()/write_open() in ns_config.c to use
>             ftruncate() instead of unlink() and subsequently
> 	    chown bind:bind /var/run/named.pid.

There are more serious problems with running named in a sandbox which
your solution doesn't address (e.g. not being able to rescan
interfaces).

DES
-- 
Dag-Erling Smorgrav - des@flood.ping.uio.no

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