linux-kernel - Re: [AppArmor 39/45] AppArmor: Profile loading and manipulation,pathname matching

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Message-Id: <200706160948.FEH12774.MTtPGSNN@I-love.SAKURA.ne.jp>
Date:	Sat, 16 Jun 2007 09:48:39 +0900
From:	Tetsuo Handa <from-lsm@...ove.SAKURA.ne.jp>
To:	crispin@...ell.com
Cc:	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [AppArmor 39/45] AppArmor: Profile loading and manipulation,pathname matching

Crispin Cowan wrote:
> In a smaller scale example, I want to share some files with a friend. I
> can't be bothered to set up a proper access control system, so I just mv
> the files to ~crispin/public_html/lookitme and in IRC say "get it now,
> going away in 10 minutes" and then move it out again. Yes, you can
> manually address this by running "restorecon ~crispin/public_html". But
> AA does this automatically without having to run any commands.
If you share ~crispin/public_html/lookitme by making a hard link,
does relabeling approach work?
I thought SELinux allows only one label for one file.
If AA (on the top of SELinux) tries to allow different permissions to
~crispin/public_html/lookitme and its original location,
either one of two pathnames won't be accessible as intended, will it?
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