linux-kernel - Re: [PATCH 3/3] SELinux: return -ECONNREFUSED from ip

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Date:	Wed, 17 Nov 2010 10:55:39 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	eparis@...hat.com
Cc:	kaber@...sh.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, selinux@...ho.nsa.gov,
	netfilter-devel@...r.kernel.org, equinox@...c24.net,
	eric.dumazet@...il.com, hzhong@...il.com, jmorris@...ei.org,
	kuznet@....inr.ac.ru, paul.moore@...com, pekkas@...core.fi,
	sds@...ho.nsa.gov, yoshfuji@...ux-ipv6.org
Subject: Re: [PATCH 3/3] SELinux: return -ECONNREFUSED from ip_postroute to
 signal fatal error

From: Eric Paris <eparis@...hat.com>
Date: Wed, 17 Nov 2010 09:38:59 -0500

> On Wed, 2010-11-17 at 12:43 +0100, Patrick McHardy wrote:
>> On 16.11.2010 22:52, Eric Paris wrote:
>> > The SELinux netfilter hooks just return NF_DROP if they drop a packet.  We
>> > want to signal that a drop in this hook is a permanant fatal error and is not
>> > transient.  If we do this the error will be passed back up the stack in some
>> > places and applications will get a faster interaction that something went
>> > wrong.
>> 
>> Looks good to me. I'd suggest to have these patches go through Dave's
>> tree since I want to make use of the netfilter error propagation
>> mechanism to return proper errno codes for netfilter re-routing
>> failures.
> 
> 
> I'd be happy if Dave pulled patches 1 and 2.  I can resend patch #3 once
> I can cajole another of the SELinux maintainers to look at it (I believe
> he most likely one is on vacation this week)

I think it's best to pull this all into net-next-2.6 now, so that's what
I'm doing right now.

If there are problems we can apply changes on top.

Thanks.
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