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Date:   Wed, 24 Jul 2019 07:46:58 +1000 (AEST)
From:   James Morris <jmorris@namei.org>
To:     Simon McVittie <smcv@collabora.com>
cc:     Paul Moore <paul@paul-moore.com>,
        Casey Schaufler <casey@schaufler-ca.com>,
        Steve Grubb <sgrubb@redhat.com>,
        Richard Guy Briggs <rgb@redhat.com>,
        "linux-audit@redhat.com" <linux-audit@redhat.com>,
        Linux Security Module list 
        <linux-security-module@vger.kernel.org>
Subject: Re: Preferred subj= with multiple LSMs
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On Tue, 23 Jul 2019, Simon McVittie wrote:

> On Mon, 22 Jul 2019 at 18:30:35 -0400, Paul Moore wrote:
> > On Mon, Jul 22, 2019 at 6:01 PM Casey Schaufler <casey@schaufler-ca.com> wrote:
> > > I suggest that if supporting dbus well is assisted by
> > > making reasonable restrictions on what constitutes a valid LSM
> > > "context" that we have a good reason.
> > 
> > I continue to believe that restrictions on the label format are a bad
> > idea
> 
> Does this include the restriction "the label does not include \0",
> which is an assumption that dbus is already relying on since I checked
> it in the thread around
> <https://marc.info/?l=linux-security-module&m=142323508321029&w=2>?
> Or is that restriction so fundamental that it's considered OK?

Security labels are strings, so this is implied.


-- 
James Morris
<jmorris@namei.org>