GSSAPI and Gnus v5.13

GSSAPI and Gnus v5.13

[Tollef Fog Heen]

Hi,

This is meant as a followup of
http://article.gmane.org/gmane.emacs.gnus.user/15526 .  Please Cc me on
replies, I'm not subscribed to the list.

I tried the patch in the referenced article and it seems I get a little
bit further, but not all the way:

  Unable to open server nnimap+err due to: Unknown stream type: gssapi
  nnimap (err) open error: ''.  Continue? (y or n)  n
  Couldn't open server on err
  Warning: Unable to open server nnimap+err due to: Unknown stream type: gssapi

I'm using

 '(nnimap "err"
    (nnimap-server-port 993)
    (nnimap-authenticator gssapi)
    (nnimap-stream gssapi)
    (nnimap-authinfo-file "~/.imap-authinfo.gpg")
    (nnimap-address "mail.err.no"))

as my select method.

I'm happy to test any further patches to get this resolved, but I'm
don't have the time or ability to fix it myself.

Regards,
-- 
Tollef Fog Heen
UNIX is user friendly, it's just picky about who its friends are

Re: GSSAPI and Gnus v5.13

[Elias Mårtenson]

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On 15 October 2013 14:03, Tollef Fog Heen <tfheen@err.no> wrote:

>
> Hi,
>
> This is meant as a followup of
> http://article.gmane.org/gmane.emacs.gnus.user/15526 .  Please Cc me on
> replies, I'm not subscribed to the list.
>
> I tried the patch in the referenced article and it seems I get a little
> bit further, but not all the way:
>
>   Unable to open server nnimap+err due to: Unknown stream type: gssapi
>   nnimap (err) open error: ''.  Continue? (y or n)  n
>   Couldn't open server on err
>   Warning: Unable to open server nnimap+err due to: Unknown stream type:
> gssapi
>

I had the same problem. It turns out GSSAPI support was removed some time
ago. I don't know the reason for this.

Regards,
Elias

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Re: GSSAPI and Gnus v5.13

[Lars Ingebrigtsen]

Elias Mårtenson <lokedhs@gmail.com> writes:

> I had the same problem. It turns out GSSAPI support was removed some
> time ago. I don't know the reason for this.

nnimap was rewritten, and GSSAPI fell off the wagon.  I meant to
re-implement it, but I guess I forgot again.  I'll try to get it done
this time...

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/

Re: GSSAPI and Gnus v5.13

[Elias Mårtenson]

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On 26 December 2013 07:53, Lars Ingebrigtsen <larsi@gnus.org> wrote:

> Elias Mårtenson <lokedhs@gmail.com> writes:
>
> > I had the same problem. It turns out GSSAPI support was removed some
> > time ago. I don't know the reason for this.
>
> nnimap was rewritten, and GSSAPI fell off the wagon.  I meant to
> re-implement it, but I guess I forgot again.  I'll try to get it done
> this time...
>

Thanks for the update. Is there anything I can do to help this happen
quicker? I'm not a completely awful Emacs Lisp programmer.

Regards,
Elias

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Re: GSSAPI and Gnus v5.13

[Lars Ingebrigtsen]

Elias Mårtenson <lokedhs@gmail.com> writes:

> Thanks for the update. Is there anything I can do to help this happen
> quicker? I'm not a completely awful Emacs Lisp programmer.

Well, if you re-implement the GSSAPI stuff for the new nnimap, then that
would be great.  >"?

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/

Re: GSSAPI and Gnus v5.13

[Elias Mårtenson]

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On 28 December 2013 02:41, Lars Ingebrigtsen <larsi@gnus.org> wrote:

> Elias Mårtenson <lokedhs@gmail.com> writes:
>
> > Thanks for the update. Is there anything I can do to help this happen
> > quicker? I'm not a completely awful Emacs Lisp programmer.
>
> Well, if you re-implement the GSSAPI stuff for the new nnimap, then that
> would be great.  >"?


I finally decided to look into this and reading RFC 1731 suggested that it
should be very easy (I know GSSAPI itself quite well).

There is, however, the problem of the non-existence of a GSSAPI API
accessible from Emacs. There is, of course, gsasl which seems to have been
used in the past, but it seems to me as though the design choice in nnimap
is to be a full Elisp implementation of IMAP?

As far as I can tell, there is no "standard" external application that can
provide access to GSSAPI, so what is the suggested solution?

Regards,
Elias

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Re: GSSAPI and Gnus v5.13

[Lars Ingebrigtsen]

Elias Mårtenson <lokedhs@gmail.com> writes:

> There is, however, the problem of the non-existence of a GSSAPI API
> accessible from Emacs. There is, of course, gsasl which seems to have
> been used in the past, but it seems to me as though the design choice
> in nnimap is to be a full Elisp implementation of IMAP?

I think an elisp implementation of GSSAPI is unrealistic.

> As far as I can tell, there is no "standard" external application that
> can provide access to GSSAPI, so what is the suggested solution?

gssapi.el uses

(defcustom gssapi-program (list
                           (concat "gsasl %s %p "
                                   "--mechanism GSSAPI "
                                   "--authentication-id %l")
                           "imtest -m gssapi -u %l -p %p %s")

I would guess that reusing gassapi.el for the new nnimap.el would be the
easiest.  It's a matter of getting nnimap.el to recognising that GSSAPI
should be used, I think.

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/