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Re: [kitten] Checking the transited list of a kerberos ticket in a transitive cross-realm trust situation...

Isaac Boukris <iboukris@gmail.com> Fri, 07 February 2020 12:26 UTC

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From: Isaac Boukris <iboukris@gmail.com>
Date: Fri, 07 Feb 2020 13:26:14 +0100
Message-ID: <CAC-fF8S=yxgx5qL5ZwFocij_DzsHPBzf8LcZACo9HVF5DDSxLA@mail.gmail.com>
To: Nico Williams <nico@cryptonector.com>
Cc: Stefan Metzmacher <metze@samba.org>, "heimdal-discuss@sics.se" <heimdal-discuss@sics.se>, Samba Technical <samba-technical@lists.samba.org>, "krbdev@mit.edu Dev List" <krbdev@mit.edu>, kitten@ietf.org
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Subject: Re: [kitten] Checking the transited list of a kerberos ticket in a transitive cross-realm trust situation...
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Hi,

On Fri, Nov 22, 2019 at 11:45 PM Nico Williams <nico@cryptonector.com> wrote:
>
> On Fri, Nov 22, 2019 at 11:24:44AM +0100, Stefan Metzmacher wrote:
> > > Correspondingly and symmetrically, the right way to request some
> > > behavior on the side where the credential is available, is to associate
> > > that request with the desired_name for which the credential is acquired.
> >
> > So you mean we need to pass an explicit desired_name to
> > gss_acquire_cred_from() and use gss_set_name_attribute() calls
> > (for no_transit_check and iterate_acceptor_keytab) on that desired_name
> > before?
>
> Oh, wait, right.  That's not going to work when you want a default
> credential.

Maybe the name-attributes can be made complementary to the proposed
credential-options, if a service wishes to inquire this info.

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