linux-kernel - Re: [PATCH 04/13] AppArmor: core policy routines

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Message-ID: <4C3F39FB.7090409@canonical.com>
Date:	Thu, 15 Jul 2010 09:40:27 -0700
From:	John Johansen <john.johansen@...onical.com>
To:	Eric Paris <eparis@...isplace.org>
CC:	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCH 04/13] AppArmor: core policy routines

On 07/15/2010 08:33 AM, Eric Paris wrote:
> On Wed, Jul 14, 2010 at 8:43 PM, John Johansen
> <john.johansen@...onical.com> wrote:
>> The basic routines and defines for AppArmor policy.  AppArmor policy
>> is defined by a few basic components.
>>      profiles - the basic unit of confinement contain all the information
>>                 to enforce policy on a task
>>
>>                 Profiles tend to be named after an executable that they
>>                 will attach to but this is not required.
>>      namespaces - a container for a set of profiles that will be used
>>                 during attachment and transitions between profiles.
>>      sids - which provide a unique id for each profile
>>
>> Signed-off-by: John Johansen <john.johansen@...onical.com>
>> ---
> 
>> +       PFLAG_MMAP_MIN_ADDR = 0x80,     /* profile controls mmap_min_addr */
> 
> You don't actually support this per ?domain? mmap_min_addr and I'm not
> sure how you ever can (given the nature of round_hint_to_min()) so
> maybe you should rip it all out rather than having the half
> implemented stuff in patches 4 and 6?

Right, it wasn't actually ever intended as a per domain value, just a constraint
on the domain setting the value.  As it currently isn't supported I will rip
those bits out.

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