linux-kernel - Re: [PATCH] vfs: new FROM

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Message-ID: <20090922135612.GA17769@infradead.org>
Date:	Tue, 22 Sep 2009 09:56:12 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Eric Paris <eparis@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	viro@...iv.linux.org.uk, hch@...radead.org
Subject: Re: [PATCH] vfs: new FROM_ACCESS flag

On Sun, Sep 20, 2009 at 09:30:48PM -0400, Eric Paris wrote:
> This new acc_mode flag is just to tell the security system this inode
> permission check is from the access system call.  The security system can
> use this information as it finds appropriete.  In particular SELinux plans to
> use this flag to alter what we choose to audit and what we do not choose to
> audit.

I think you're better off splitting the existing MAY_ACCESS flag and
only using MAY_ACCESS for calles from access() insteaf of introducing
a FROM_ACCESS flag and causing lots of naming confusion.

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