netdev - Re: [PATCH 1/2] lsm: Add hooks to the TUN driver

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Message-Id: <20090828.154636.192870325.davem@davemloft.net>
Date:	Fri, 28 Aug 2009 15:46:36 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	unlisted-recipients:; (no To-header on input)
Cc:	netdev@...r.kernel.org, linux-security-module@...r.kernel.org,
	selinux@...ho.nsa.gov
Subject: Re: [PATCH 1/2] lsm: Add hooks to the TUN driver

From: Paul Moore <paul.moore@...com>
Date: Fri, 28 Aug 2009 18:12:43 -0400

> The TUN driver lacks any LSM hooks which makes it difficult for LSM modules,
> such as SELinux, to enforce access controls on network traffic generated by
> TUN users; this is particularly problematic for virtualization apps such as
> QEMU and KVM.  This patch adds three new LSM hooks designed to control the
> creation and attachment of TUN devices, the hooks are:
> 
>  * security_tun_dev_create()
>    Provides access control for the creation of new TUN devices
> 
>  * security_tun_dev_post_create()
>    Provides the ability to create the necessary socket LSM state for newly
>    created TUN devices
> 
>  * security_tun_dev_attach()
>    Provides access control for attaching to existing, persistent TUN devices
>    and the ability to update the TUN device's socket LSM state as necessary
> 
> Signed-off-by: Paul Moore <paul.moore@...com>
> Acked-by: Eric Paris <eparis@...isplace.org>
> Acked-by: Serge Hallyn <serue@...ibm.com>

I'm happy if you guys merge this via the security tree,
feel free to add:

Acked-by: David S. Miller <davem@...emloft.net>
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