linux-kernel - Re: AppArmor Security Goal

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Message-ID: <20071110235609.00958d87@the-village.bc.nu>
Date:	Sat, 10 Nov 2007 23:56:09 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	david@...g.hm
Cc:	"Dr. David Alan Gilbert" <linux@...blig.org>,
	Crispin Cowan <crispin@...spincowan.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	LSM ML <linux-security-module@...r.kernel.org>,
	apparmor-dev <apparmor-dev@...ge.novell.com>
Subject: Re: AppArmor Security Goal

> but how can the system know if the directory the user wants to add is 
> reasonable or not? what if the user says they want to store their 
> documents in /etc?

A more clear example is wanting to wrap a specific tool with temporary
rules. Those rules would depend on the exact file being edited at this
moment - something root cannot know in advance
(although with apparmor I guess mv $my_file apparmour_magic.name ; foo;
mv it back might work 8))

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