netdev - Re: [RFC v3 02/10] Revert "lsm: Remove the socket_post

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Message-Id: <201105061327.15339.paul.moore@hp.com>
Date:	Fri, 6 May 2011 13:27:15 -0400
From:	Paul Moore <paul.moore@...com>
To:	Samir Bellabes <sam@...ack.fr>
Cc:	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org, hadi@...erus.ca, kaber@...sh.net,
	zbr@...emap.net, root@...aldomain.pl
Subject: Re: [RFC v3 02/10] Revert "lsm: Remove the socket_post_accept() hook"

On Friday, May 06, 2011 5:25:45 AM Samir Bellabes wrote:
> the main argument for socket_post_accept is to known informations of the
> remote inet.
> 
> from socket_accept(), we have no clue of who (inet->daddr and inet->saddr)
> is connecting to the local service. with socket_post_accept(), inet->daddr
> and inet->saddr are filled with the true distant informations.
> 
> This informations is interesting for next security operations on the
> socket. (we known with who we are talking to).

Looking at the snet_socket_post_accept() hook, I believe all of the 
information you are looking for should be available to you in the sock_graft() 
hook.

--
paul moore
linux @ hp
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