linux-kernel - Re: [PATCH 2/5] secmark: make secmark object handling generic

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Date:	Tue, 12 Oct 2010 19:01:52 -0400
From:	Eric Paris <eparis@...hat.com>
To:	Paul Moore <paul.moore@...com>
Cc:	linux-kernel@...r.kernel.org, netfilter-devel@...r.kernel.org,
	netfilter@...r.kernel.org, jmorris@...ei.org,
	selinux@...ho.nsa.gov, sds@...ho.nsa.gov, jengelh@...ozas.de,
	linux-security-module@...r.kernel.org, mr.dash.four@...glemail.com,
	pablo@...filter.org
Subject: Re: [PATCH 2/5] secmark: make secmark object handling generic

On Tue, 2010-10-12 at 18:55 -0400, Paul Moore wrote:
> On Tue, 2010-10-12 at 11:40 -0400, Eric Paris wrote:
> > Right now secmark has lots of direct selinux calls.  Use all LSM calls and
> > remove all SELinux specific knowledge.  The only SELinux specific knowledge
> > we leave is the mode.  The only point is to make sure that other LSMs at
> > least test this generic code before they assume it works.  (They may also
> > have to make changes if they do not represent labels as strings)
> 
> I'm sure you have, but I just want to make sure - you've tested this
> change (and the others for that matter) against the existing iptables
> userspace to make sure everything still works, right?

I did.  The only patch which needs userspace changes is the exporting of
secctx over netlink.  It appears the current userspace tools just
ignores unknown field types.  I have a patch to userspace to tell it
about the new field and will send it after the kernel patch goes in.

-Eric

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