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Date:      Thu, 26 Jun 2003 06:24:41 +0700
From:      Max Khon <fjoe@iclub.nsu.ru>
To:        Pawel Jakub Dawidek <nick@garage.freebsd.pl>
Cc:        freebsd-arch@freebsd.org
Subject:   Re: Jailed sysvipc implementation.
Message-ID:  <20030625232441.GC92939@iclub.nsu.ru>
In-Reply-To: <20030625175225.GS7587@garage.freebsd.pl>
References:  <20030624164602.GW7587@garage.freebsd.pl> <Pine.NEB.3.96L.1030625132446.57143A-100000@fledge.watson.org> <20030625175225.GS7587@garage.freebsd.pl>

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hi, there!

On Wed, Jun 25, 2003 at 07:52:25PM +0200, Pawel Jakub Dawidek wrote:

> +> We have some initial patches that wrap the user ipcperm structure in a
> +> kernel-specific structure, which we use to add a MAC label.  It would be
> +> easy to also add a prison pointer.  We probably won't get to merging this
> +> patch for a couple of weeks, but it's worth keeping in mind. 
> +> 
> +>   http://www.watson.org/~robert/freebsd/mac_sysvipc.diff
> +> 
> +> This needs style cleanup, bug fixing, testing, etc, but it's the direction
> +> we're pushing in for MAC right now.
> 
> Hmm, I'm not sure if I understand patch well, but with this stuff we will
> be able to run for example two postgresql servers in diffrent jails?

no

> Or it only will provide denying specified requests?

yes. the goal is to use existing MAC framework to deny access to
foreign (from other jail) sysvipc objects.

/fjoe



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