linux-kernel - Re: [PATCH 02/13] AppArmor: basic auditing infrastructure.

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Message-ID: <4C3F4E58.6090501@canonical.com>
Date:	Thu, 15 Jul 2010 11:07:20 -0700
From:	John Johansen <john.johansen@...onical.com>
To:	Eric Paris <eparis@...hat.com>
CC:	Eric Paris <eparis@...isplace.org>, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org
Subject: Re: [PATCH 02/13] AppArmor: basic auditing infrastructure.

On 07/15/2010 10:36 AM, Eric Paris wrote:
> On Thu, 15 Jul 2010 09:36:46 -0700
> John Johansen <john.johansen@...onical.com> wrote:
> 
>> On 07/15/2010 08:18 AM, Eric Paris wrote:
>>> On Wed, Jul 14, 2010 at 8:43 PM, John Johansen
>>> <john.johansen@...onical.com> wrote:
> 
>>>> +       if (sa->aad.profile) {
>>>> +               struct aa_profile *profile = sa->aad.profile;
>>>> +               pid_t pid;
>>>> +               rcu_read_lock();
>>>> +               pid = tsk->real_parent->pid;
>>>> +               rcu_read_unlock();
>>>> +               audit_log_format(ab, " parent=%d", pid);
>>>> +               audit_log_format(ab, " profile=");
>>>> +               if (profile->ns != root_ns) {
>>>> +                       audit_log_format(ab, ":");
>>>> +                       audit_log_untrustedstring(ab,
>>>> profile->ns->base.hname);
>>>> +                       audit_log_format(ab, "://");
>>>> +               }
>>>> +               audit_log_untrustedstring(ab, profile->base.hname);
>>>> +       }
>>>
>>> what does this message look like?  I don't think it fits the nice
>>> key=value rules of the audit system....   Are you sure this is what
>>> you want?
>>>
>> it looks like
>> profile=:ns_name://profile_name
> 
> Actually it would be:
> 
> profile=:"ns_name"://"profile_name"
> 
> The 'untrustedstring' call is going to add ""  just making sure you are
> ok with that.  I guess the audit libs will deal with it ok.

right, lets just be on the safe side and switch to namespace=" ", and
profile=" ".  That will avoid any potential problems

thanks Eric

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