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Date:      Thu, 28 Nov 2013 08:04:25 +0100
From:      =?iso-8859-2?Q?Edward_Tomasz_Napiera=B3a?= <trasz@FreeBSD.org>
To:        Harald Schmalzbauer <h.schmalzbauer@omnilan.de>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: Feature request: sticky bit inheritance
Message-ID:  <5FC93589-6AB1-4F43-98B3-C9281603A2AD@FreeBSD.org>
In-Reply-To: <5295DF79.8060400@omnilan.de>
References:  <5295DF79.8060400@omnilan.de>

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Wiadomość napisana przez Harald Schmalzbauer w dniu 27 lis 2013, o godz. 13:03:
> Hello,
> 
> ever since I took a FreeBSD machine into production, acting as any kind
> of file server, I have to work arround the problem, that write access to
> a directory implies unlinking (deleting) directory contents. Never heard
> any sensible explanation why anybody would ever want that behaviour, but
> it's been like that for decades and everybody seems to be fine with
> that!?! Maybe because there's the stick bit, which is a usable workarround.
> Unfortunately, there's no “sticky” equivalent in nfs4acls.

One idea is to use NFSv4 ACLs and add entry that denies delete_child
and is inherited by directories, i.e. "everyone@:D:d:deny".  This should
prevent deletion despite write access.

-- 
If you cut off my head, what would I say?  Me and my head, or me and my body?




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