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Date:      Tue, 28 Jan 1997 08:04:43 -0600
From:      peter@taronga.com (Peter da Silva)
To:        hackers@freebsd.org
Subject:   Re: file locking / firewalling based on uid/gid
Message-ID:  <199701281404.IAA04275@bonkers.taronga.com>
In-Reply-To: <199701031720.SAA00624@yedi.iaf.nl>
References:  <199701030443.UAA28355@freefall.freebsd.org>

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In article <199701031720.SAA00624@yedi.iaf.nl>,
Wilko Bulte  <wilko@yedi.iaf.nl> wrote:
>And who does the chown() to allow users to get at their mail? 

This is only a problem because in 2.7 or so chown() for regular users was
disabled to allow for the use of chown() in the "handin" program to verify
assignment turn-in for users on the EECS 11/70.

Later it was pointed out that you could do it by making the files created by
turnin setuid, since chowning disabled the setuid bit, but by then the damage
was done.

The only reason for disabling chown any more is for quotas, and quotas don't
work right anyway. I'd like to recommend going back to the USG semantics for
chown().



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