From mboxrd@z Thu Jan  1 00:00:00 1970
From: James Antill <jantill@redhat.com>
Subject: Re: auditctl se_sen & se_clr
Date: Fri, 19 May 2006 15:19:35 -0400
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To: Michael C Thompson <thompsmc@us.ibm.com>
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On Fri, 2006-05-19 at 12:44 -0500, Michael C Thompson wrote:
> James Antill wrote:
> > On Fri, 2006-05-19 at 10:30 -0500, Michael C Thompson wrote:
> >=20
> >> Thanks, that's what I thought as well. Here is my result of testing th=
is:
> >>
> >> root linux user, id:
> >> context=3Droot:staff_r:staff_t:SystemLow-SystemHigh
> >>
> >> mcthomps linux user, id:
> >> context=3Duser_u:user_r:user_t:SystemLow
> >>
> >> When I have the following audit rule is
> >>    auditctl -a entry,always -S chmod -F se_clr=3Ds0
> >> the chmod actions taken by mcthomps get logged, but not those done by=20
> >> root (this is as expected).
> >=20
> >  This means that a "range" of s0 is being interpreted as:
> >=20
> > se_sen=3D''
> > se_clr=3D's0'
> >=20
> > ...which isn't what I'd expect, but given that...
>=20
> I'm sorry, I do not follow what you mean here.

 The mls range for root is s0-s0:c0.c255, where:

 se_sen =3D s0
 se_clr =3D s0:c0.c255

 The mls range for mcthomps is s0, given the above works then:

 se_clr =3D s0

...and given the range is s0 and not s0-s0 then se_sen must be blank
(and so won't match s0).

--=20
James Antill
<james.antill@redhat.com>


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