netdev - Re: [RFC PATCH v4 02/14] selinux: Better local/forward check in selinux_ip

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Message-ID: <alpine.LRH.1.10.0809051851230.2526@tundra.namei.org>
Date:	Fri, 5 Sep 2008 18:51:46 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Paul Moore <paul.moore@...com>
cc:	selinux@...ho.nsa.gov, netdev@...r.kernel.org,
	linux-security-module@...r.kernel.org
Subject: Re: [RFC PATCH v4 02/14] selinux: Better local/forward check in
 selinux_ip_postroute()

On Tue, 2 Sep 2008, Paul Moore wrote:

> It turns out that checking to see if skb->sk is NULL is not a very good
> indicator of a forwarded packet as some locally generated packets also have
> skb->sk set to NULL.  Fix this by not only checking the skb->sk field but also
> the IP[6]CB(skb)->flags field for the IP[6]SKB_FORWARDED flag.
> 
> Signed-off-by: Paul Moore <paul.moore@...com>
> ---
> 
>  security/selinux/hooks.c |   36 +++++++++++++++++++++++++++---------
>  1 files changed, 27 insertions(+), 9 deletions(-)

Acked-by: James Morris <jmorris@...ei.org>

-- 
James Morris
<jmorris@...ei.org>
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