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Date:      10 Feb 1999 15:50:43 +0100
From:      Dag-Erling Smorgrav <des@flood.ping.uio.no>
To:        Anton Voronin <anton@urc.ac.ru>
Cc:        freebsd-bugs@FreeBSD.ORG
Subject:   Re: misc/10005: Update /etc/motd
Message-ID:  <xzpzp6m9ut8.fsf@flood.ping.uio.no>
In-Reply-To: Anton Voronin's message of "Wed, 10 Feb 1999 06:00:02 -0800 (PST)"
References:  <199902101400.GAA46405@freefall.freebsd.org>

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Anton Voronin <anton@urc.ac.ru> writes:
>  Dag-Erling Smorgrav wrote:
>  > anton@urc.ac.ru writes:
>  > > Leave original /etc/rc.conf unchanged and check that your /etc/rc.conf.local
>  > > does not redefine clear_tmp_enable and update_motd;
>  > > Create a directory /tmp/_motd.
>  > What do you do to prevent root from removing that directory?
>  Nothing - rm does not remove directories without -r or -d

No, but rmdir does. My point is that your DoS is not a DoS, since root
can trivially remove /etc/_motd if it's in the way.

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

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