On Wed, Sep 07, 2016 at 08:32:42AM +0200, Jan Cholasta wrote:
> On 6.9.2016 19:36, Fraser Tweedale wrote:
> > On Tue, Sep 06, 2016 at 10:19:14AM +0200, Jan Cholasta wrote:
> > > On 5.9.2016 17:30, Fraser Tweedale wrote:
> > > > On Mon, Sep 05, 2016 at 11:59:11PM +1000, Fraser Tweedale wrote:
> > > > > On Tue, Aug 30, 2016 at 10:39:16AM +0200, Jan Cholasta wrote:
> > > > > > Hi,
> > > > > > 
> > > > > > On 26.8.2016 07:42, Fraser Tweedale wrote:
> > > > > > > On Fri, Aug 26, 2016 at 03:37:17PM +1000, Fraser Tweedale wrote:
> > > > > > > > Hi all,
> > > > > > > > 
> > > > > > > > Attached patch fixes 
> > > > > > > > https://fedorahosted.org/freeipa/ticket/6221.
> > > > > > > > It depends on Honza's PR #20
> > > > > > > > https://github.com/freeipa/freeipa/pull/20.
> > > > > > > > 
> > > > > > > > Thanks,
> > > > > > > > Fraser
> > > > > > > > 
> > > > > > > It does help to attach the patch :)
> > > > > > 
> > > > > > I think it would be better to call cert-find once per 
> > > > > > host-del/service-del
> > > > > > with the --host/--service option specified. That way you'll get all
> > > > > > certificates for the given host/service at once.
> > > > > > 
> > > > > > Honza
> > > > > > 
> > > > > I agree that is a nicer approach.
> > > > > 
> > > > > 'revoke_certs' is called from several other places besides just
> > > > > host/service_del.  If we want to land this fix Real Soon I'd suggest
> > > > > we either:
> > > > > 
> > > > > A) Define function 'revoke_certs_from_cert_find', call it from
> > > > > host/service_del, and leave 'revoke_certs' alone; or
> > > > > 
> > > > > B) Land the patch as-is and do a bigger refactor at a later time.
> > > > > 
> > > > > What do you think?
> > > 
> > Updated patch attached; comments inline.
> > 
> > > C) Use cert-find-based revoke_certs() everywhere; use the --certificate
> > > option of cert-find in the other places to get information about specific
> > > certificates.
> > > 
> > As discussed on IRC, I have implemented this option.  The caveat is
> > that for host/service-mod, we incur call to cert_find for each
> > removed certificate.
> 
> It's worth noting that A) and B) suffer from the same caveat.
> 
> > 
> > > > > 
> > > > Updated patch for option (A) is attached.
> > > 
> > > 1) Instead of
> > > 
> > >         if result['status'] in {'REVOKED', 'REVOKED_EXPIRED'}:
> > > 
> > > use:
> > > 
> > >         if result['revoked']:
> > > 
> > Done.
> > 
> > > 
> > > 2)
> > > 
> > > +        if 'cacn' not in cert:
> > > +            # cert is known to Dogtag, but CA appears to have been
> > > +            # deleted.  We cannot revoke this cert via IPA anymore.
> > > +            # We could go directly to Dogtag to revoke it, but the
> > > +            # issuer's cert should have been revoked so never mind.
> > > +            continue
> > > 
> > > Or, it could be a cert issued by a 3rd party CA.
> > > 
> > I updated to comment to include this.
> > 
> > > 
> > > 3) host-mod/service-mod do not revoke certs:
> > > 
> > > $ ipa cert-request test.csr --principal host/test.example.com
> > >   Serial number: 13
> > > 
> > > $ ipa cert-show 13
> > >   Revoked: False
> > >   Owner host: test.example.com
> > > 
> > > $ ipa host-mod test.example.com --certificate=
> > > 
> > > $ ipa cert-show 13
> > >   Revoked: False
> > > 
> > Nice find.  This was a pre-existing bug: nothing gets revoked when
> > all certs are removed.  Here is the fix:
> > 
> >     -        if certs and self.api.Command.ca_is_enabled()['result']:
> >     +        ca_is_enabled = self.api.Command.ca_is_enabled()['result']
> >     +        if 'usercertificate' in options and ca_is_enabled:
> >                  ... revocation code
> 
> OK. Since it is a different bug, it should be fixed in a separate patch and
> have a separate ticket.
> 
> > 
> > Finally, host/service-remove-cert does not revoke the cert because
> > of (I think) a bug in cert-find.  If the cert does not exist on a
> > host/service the cert-find cannot find it with --certificate option.
> > Because host/service-remove-cert uses a post_callback to revoke the
> > cert, cert-find doesn't find it thus no revocation occurs.
> > 
> > Honza could you check whether this is indeed a bug/limitation of
> > cert-find or is it the smog in Saigon affecting me?
> 
> It's a bug - FTFY, <https://github.com/freeipa/freeipa/pull/64>.
> 
> Functional ACK. Full ACK once my fix is merged and the host/service-mod is
> split off into a separate patch.
> 
To clarify - you want only the fix discussed above in the separate
patch?

Thanks,
Fraser

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