linux-kernel - Re: [PATCH 00/16] Permit filesystem local caching [try #3]

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Message-ID: <861956.50630.qm@web36613.mail.mud.yahoo.com>
Date:	Tue, 14 Aug 2007 08:53:39 -0700 (PDT)
From:	Casey Schaufler <casey@...aufler-ca.com>
To:	David Howells <dhowells@...hat.com>, casey@...aufler-ca.com
Cc:	dhowells@...hat.com, Stephen Smalley <sds@...ho.nsa.gov>,
	torvalds@...l.org, akpm@...l.org, steved@...hat.com,
	trond.myklebust@....uio.no, linux-fsdevel@...r.kernel.org,
	linux-cachefs@...hat.com, nfsv4@...ux-nfs.org,
	linux-kernel@...r.kernel.org, selinux@...ho.nsa.gov,
	LSM List <linux-security-module@...r.kernel.org>
Subject: Re: [PATCH 00/16] Permit filesystem local caching [try #3]


--- David Howells <dhowells@...hat.com> wrote:

> Casey Schaufler <casey@...aufler-ca.com> wrote:
> 
> > With Smack you can leave the label alone, raise CAP_MAC_OVERRIDE,
> > do your business of setting the label correctly, and then drop
> > the capability. No new hooks required.
> 
> That sounds like a contradiction.  How can you both leave it alone and set
> it?

Whoops, sorry. You leave the process label alone and explicitly
set the file label using the xattr interfaces.


Casey Schaufler
casey@...aufler-ca.com
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