linux-kernel - Re: [PATCH 04/10] SELinux: Add new labeling type native labels

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Date:	Thu, 8 Jul 2010 09:23:23 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	"David P. Quigley" <dpquigl@...ho.nsa.gov>
cc:	hch@...radead.org, viro@...iv.linux.org.uk, casey@...aufler-ca.com,
	sds@...ho.nsa.gov, "Matthew N. Dodd" <matthew.dodd@...rta.com>,
	trond.myklebust@....uio.no, bfields@...ldses.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-security-module@...r.kernel.org, selinux@...ho.nsa.gov,
	linux-nfs@...r.kernel.org
Subject: Re: [PATCH 04/10] SELinux: Add new labeling type native labels

On Wed, 7 Jul 2010, David P. Quigley wrote:

> There currently doesn't exist a labeling type that is adequate for use with
> labeled NFS. Since NFS doesn't really support xattrs we can't use the use xattr
> labeling behavior. For this we developed a new labeling type. The native
> labeling type is used solely by NFS to ensure NFS inodes are labeled at runtime
> by the NFS code instead of relying on the SELinux security server on the client
> end.

It would be useful to have the ability to specify labeling behavior on a 
per-mount basis, with the default remaining as genfs.

Otherwise, this is a global policy decision which affects all NFSv4 
mounts, right?


-- 
James Morris
<jmorris@...ei.org>
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