linux-kernel - Re: [PATCH] cgroups: implement device whitelist (v4)

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Message-ID: <Xine.LNX.4.64.0803181517260.1898@us.intercode.com.au>
Date:	Tue, 18 Mar 2008 15:17:53 +1100 (EST)
From:	James Morris <jmorris@...ei.org>
To:	"Serge E. Hallyn" <serue@...ibm.com>
cc:	lkml <linux-kernel@...r.kernel.org>,
	linux-security-module@...r.kernel.org,
	Linux Containers <containers@...ts.osdl.org>,
	Stephen Smalley <sds@...ch.ncsc.mil>,
	Pavel Emelianov <xemul@...nvz.org>, Greg KH <greg@...ah.com>,
	Casey Schaufler <casey@...aufler-ca.com>,
	Paul Menage <menage@...gle.com>
Subject: Re: [PATCH] cgroups: implement device whitelist (v4)

On Mon, 17 Mar 2008, Serge E. Hallyn wrote:

> Implement a cgroup to track and enforce open and mknod restrictions on device
> files.  A device cgroup associates a device access whitelist with each
> cgroup.  A whitelist entry has 4 fields.  'type' is a (all), c (char), or
> b (block).  'all' means it applies to all types and all major and minor
> numbers.  Major and minor are either an integer or * for all.
> Access is a composition of r (read), w (write), and m (mknod).

Acked-by: James Morris <jmorris@...ei.org>



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