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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/