netdev - Re: [PATCH] LSM: Add security_socket_post_accept() andsecurity_socket_post_recv

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Message-Id: <200904212152.FHH51019.MHOFVtOFSJFQOL@I-love.SAKURA.ne.jp>
Date:	Tue, 21 Apr 2009 21:52:57 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	davem@...emloft.net
Cc:	paul.moore@...com, linux-security-module@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] LSM: Add security_socket_post_accept() andsecurity_socket_post_recv_datagram().

David Miller wrote:
> Put this stuff in userspace, where you say it already is.  The kernel
> isn't the place to dump every cool feature you want to bring in from
> userspace.
If I can do this stuff in userspace, I already put this stuff in userspace.
Access control in userspace is easily bypassed, no good for policy based
mandatory access control. The reason I propose these hooks in kernel is that
nobody can bypass these hooks.
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