git.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Junio C Hamano <gitster@pobox.com>
To: Rick van Rein <rick@openfortress.nl>
Cc: git@vger.kernel.org, Jeff King <peff@peff.net>,
	Matthew John Cheetham <mjcheetham@github.com>
Subject: Re: Git over HTTP; have flexible SASL authentication
Date: Mon, 06 Feb 2023 14:08:07 -0800	[thread overview]
Message-ID: <xmqqk00u4fco.fsf@gitster.g> (raw)
In-Reply-To: <20230204113408.GD21507@openfortress.nl> (Rick van Rein's message of "Sat, 4 Feb 2023 11:34:08 +0000")

Rick van Rein <rick@openfortress.nl> writes:

> SASL assumes that the endpoints can hold state and progress through any
> challenge/response exchange, in multiple steps if needed.  This is not
> trivial with stateless HTTP, but we fixed it with a "s2s" argument which
> can hold the (datestamped, signed, encrypted) state on the server side.

That's nice to know, and its applications below do look useful, at
least to me.

> A few mechanisms that spring to mind as useful with Git over HTTP-SASL are
>
>  - Kerberos / GSS-API, desirable for companies using its single sign-on
>  _ FIDO, currently being added to SASL to benefit all protocols
>  - OPAQUE, a very modern crypto, developed in IETF now
>  - SXOVER-PLUS, our own work that calls back to a user's domain for login
> 	(so no server-stored credentials needed, only access control)
>
> I'm curious if this would indeed be considered an improvement to Git.
>
> Cheers,
>  -Rick

      reply	other threads:[~2023-02-06 22:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-27 16:34 Git over HTTP; have flexible SASL authentication Rick van Rein
2023-01-27 17:06 ` Junio C Hamano
2023-02-01 11:24   ` Jeff King
2023-02-01 19:36     ` Matthew John Cheetham
2023-02-04 11:34   ` Rick van Rein
2023-02-06 22:08     ` Junio C Hamano [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=xmqqk00u4fco.fsf@gitster.g \
    --to=gitster@pobox.com \
    --cc=git@vger.kernel.org \
    --cc=mjcheetham@github.com \
    --cc=peff@peff.net \
    --cc=rick@openfortress.nl \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).