linux-kernel - Re: [RFC][PATCH 0/2] Correct behavior for listxattr and 'trusted' xattrs

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Message-ID: <alpine.LRH.2.00.1003110104090.29956@tundra.namei.org>
Date:	Thu, 11 Mar 2010 01:04:52 +1100 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Christoph Hellwig <hch@...radead.org>
cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	David Woodhouse <dwmw2@...radead.org>,
	Joel Becker <joel.becker@...cle.com>,
	Mark Fasheh <mfasheh@...e.com>, Alex Elder <aelder@....com>,
	Chris Mason <chris.mason@...cle.com>,
	a.gruenbacher@...puter.org
Subject: Re: [RFC][PATCH 0/2] Correct behavior for listxattr and 'trusted'
 xattrs

On Wed, 10 Mar 2010, Christoph Hellwig wrote:

> Now that everyone felt the consensus is that we need the check I look
> into adding it into XFS, but it seems like we already have that check
> in xfs_xattr_put_listent:
> 
> 	/*
>          * Only show root namespace entries if we are actually allowed to
> 	 * see them.
> 	 */
> 	if ((flags & XFS_ATTR_ROOT) && !capable(CAP_SYS_ADMIN))
> 		return 0;
> 

Looks like I didn't understand what the XFS code was doing.


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