[AC 21.5] TLS support

APPROVE COMMIT 21.5

On Fri, Oct 3, 2014 at 12:41 PM, Jerry James <[email protected]> wrote:
> PATCH 21.5
>
> This is the latest iteration of the TLS patch I've been working on
> (and off) for some time now.  I believe this iteration is ready for
> serious consideration for inclusion in XEmacs.  It gives us an
> Emacs-compatible open-network-stream on systems where one of NSS,
> gnutls, or openssl is available.  This version incoporates changes
> requested by Aidan during the last go-around: it uses Boolint in the C
> code instead of hanging onto references to Lisp objects, and TLS
> connections now self-identify as such.
>
> We still need an Emacs-compatible gnutls.el.  That's going to be hard,
> since Emacs's Lisp code is very gnutls-specific; i.e., if you build
> with NSS or openssl, the matchup between gnutls.el and the underlying
> code isn't great.  I'm considering a couple of approaches, but don't
> want to hold up this part of the work.
>
> Also, Windows ships with DLLs that contain TLS code, so in principle
> it should be possible to extend this work to the WIndows part of the
> code.  In practice, I'm having some really fundamental trouble with
> that which I will discuss on xemacs-beta.

I have committed this patch.  Let the bug reports start rolling in.
-- 
Jerry James
http://www.jamezone.org/