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Date:      Mon, 8 Mar 2004 23:54:34 +0100
From:      Pawel Jakub Dawidek <pjd@FreeBSD.org>
To:        David Malone <dwmalone@maths.tcd.ie>
Cc:        cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/kern vfs_syscalls.c
Message-ID:  <20040308225434.GQ10864@darkness.comp.waw.pl>
In-Reply-To: <20040308204336.GA7261@walton.maths.tcd.ie>
References:  <200403082037.i28KbQ2M041691@repoman.freebsd.org> <20040308204336.GA7261@walton.maths.tcd.ie>

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On Mon, Mar 08, 2004 at 08:43:36PM +0000, David Malone wrote:
+> On Mon, Mar 08, 2004 at 12:37:26PM -0800, Pawel Jakub Dawidek wrote:
+> >           - security.bsd.hardlink_check_uid, when set, means, that unp=
rivilege
+> >                   users are not permitted to create hard links to file=
s not
+> >                   owned by them,
+> >           - security.bsd.hardlink_check_gid, when set, means, that unp=
rivilege
+> >                   users are not permitted to create hard links to file=
s owned
+> >                   by group they don't belong to.
+>=20
+> Neat! I'd done something like this years ago, but couldn't figure
+> out if this should be enforced by syscall code or filesystem code.
+> I think that NFS was the main place that this made a difference, so
+> I wonder if the NFS server should know about these sysctls?

Hmm, because it is on syscall level it works for NFS mounted partitions.
If you're talking about enforcing it on NFS server side, I don't think
it really matters.

--=20
Pawel Jakub Dawidek                       http://www.FreeBSD.org
pjd@FreeBSD.org                           http://garage.freebsd.pl
FreeBSD committer                         Am I Evil? Yes, I Am!

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