netdev - Re: [RFC PATCH v2 1/2] lsm: Add hooks to the TUN driver

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Date:	Wed, 12 Aug 2009 15:43:15 -0400
From:	Paul Moore <paul.moore@...com>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	linux-security-module@...r.kernel.org, netdev@...r.kernel.org,
	selinux@...ho.nsa.gov
Subject: Re: [RFC PATCH v2 1/2] lsm: Add hooks to the TUN driver

On Wednesday 12 August 2009 03:28:40 pm Serge E. Hallyn wrote:
> Quoting Paul Moore (paul.moore@...com):
> > 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 ---
>
> Acked-by: Serge Hallyn <serue@...ibm.com>

Thanks.

-- 
paul moore
linux @ hp

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