Re: [Linux-ima-user] oraphaned keywords in audit log text [was: Re: [PATCH] integrity: get comm using lock to avoid race in string] printing

From: Richard Guy Briggs
Date: Sat Jun 14 2014 - 22:45:57 EST


On 14/06/14, Mimi Zohar wrote:
> On Sat, 2014-06-14 at 12:43 +0300, Dmitry Kasatkin wrote:
> > On 14 June 2014 03:02, Richard Guy Briggs <rgb@xxxxxxxxxx> wrote:
> > > On 14/04/02, Richard Guy Briggs wrote:
> > >> On 14/04/02, Mimi Zohar wrote:
> > >> > On Wed, 2014-04-02 at 14:18 -0400, Eric Paris wrote:
> > >> > > On Wed, 2014-04-02 at 14:12 -0400, Mimi Zohar wrote:
> > >> > > > On Wed, 2014-04-02 at 14:00 -0400, Steve Grubb wrote:
> > >> > > > > Hello Mimi,
> > >> > > > >
> > >> > > > > On Wednesday, April 02, 2014 01:39:47 PM Mimi Zohar wrote:
> > >> > > > > > This change is already being upstreamed as commit 73a6b44 "Integrity:
> > >> > > > > > Pass commname via get_task_comm()".
> > >> > > > >
> > >> > > > > While I was looking at Richard's patch, I noticed a few places where cause and
> > >> > > > > op are logged and the string isn't tied together with a _ or -. These are in
> > >> > > > > ima/ima_appraise.c line 383, and ima/ima_policy.c lines 333, 657, and 683. Are
> > >> > > > > these fixed upstream? Or should a patch be made?
> > >> > > >
> > >> > > > Nothing has changed in terms of 'cause' and 'op'. I would suggest
> > >> > > > making the changes in integrity_audit.c: integrity_audit_msg().
> > >>
> > >> That function could massage incoming text fields and convert spaces to
> > >> hyphens or underscores, but I'd assume the right place to do it would be
> > >> in the original text. If you suggest the former, it could just be done
> > >> in audit_log_string(), but then grepping the source for error messages
> > >> would not be nearly as useful. Is this what you were suggesting?
> > >>
> > >> > > The question is actually, do you know of anyone who is expecting the
> > >> > > space, instead of a more 'audit standard' - or _ ? If not, we'll change
> > >> > > it. If so, we'll discuss more :)
> > >> >
> > >> > CC'ing linux-ima-user as well.
> > >>
> > >> Thanks.
> > >
> > > Was there any response from linux-ima-user?
> > >
> > >> > Mimi
> > >>
> > >> - RGB
> > >
> >
> > Hi,
> >
> > I will find this patch and have a look.
>
> As nobody has responded, I would assume it is safe to change.

Thanks! :)

> Mimi

- RGB

--
Richard Guy Briggs <rbriggs@xxxxxxxxxx>
Senior Software Engineer, Kernel Security, AMER ENG Base Operating Systems, Red Hat
Remote, Ottawa, Canada
Voice: +1.647.777.2635, Internal: (81) 32635, Alt: +1.613.693.0684x3545
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