Re: [PoC] Federated Authn/z with OAUTHBEARER

Christoph Berg <myon@debian.org>

From: Christoph Berg <myon@debian.org>
To: Jacob Champion <jacob.champion@enterprisedb.com>
Cc: Peter Eisentraut <peter@eisentraut.org>, Andres Freund <andres@anarazel.de>, Tom Lane <tgl@sss.pgh.pa.us>, Bruce Momjian <bruce@momjian.us>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>, Daniel Gustafsson <daniel@yesql.se>, Thomas Munro <thomas.munro@gmail.com>, Nazir Bilal Yavuz <byavuz81@gmail.com>, Antonin Houska <ah@cybertec.at>, Wolfgang Walther <walther@technowledgy.de>
Date: 2025-04-09T08:14:32Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. meson: Fix install-quiet after clean

  2. oauth: Run Autoconf tests with correct compiler flags

  3. Link libpq with libdl if the platform needs that.

  4. Doc: correct spelling of meson switch.

  5. oauth: Correct SSL dependency for libpq-oauth.a

  6. oauth: Fix Autoconf build on macOS

  7. oauth: Move the builtin flow into a separate module

  8. Remove a stray "pgrminclude" annotation

  9. oauth: Simplify copy of PGoauthBearerRequest

  10. oauth: Improve validator docs on interruptibility

  11. oauth: Disallow synchronous DNS in libcurl

  12. oauth: Fix postcondition for set_timer on macOS

  13. oauth: Use IPv4-only issuer in oauth_validator tests

  14. Work around OAuth/EVFILT_TIMER quirk on NetBSD.

  15. oauth: Fix incorrect const markers in struct

  16. Add missing entry to oauth_validator test .gitignore

  17. cirrus: Temporarily fix libcurl link error

  18. Add support for OAUTHBEARER SASL mechanism

  19. libpq: Handle asynchronous actions during SASL

  20. require_auth: prepare for multiple SASL mechanisms

  21. Move PG_MAX_AUTH_TOKEN_LENGTH to libpq/auth.h

  22. Make SASL max message length configurable

  23. jsonapi: fully initialize dummy lexer

  24. common/jsonapi: support libpq as a client

  25. Remove fe_memutils from libpgcommon_shlib

  26. Revert ECPG's use of pnstrdup()

  27. Explicitly require password for SCRAM exchange

  28. Refactor SASL exchange to return tri-state status

Re: Jacob Champion
> Is it acceptable/desirable for a build, which has not been configured
> --with-libcurl, to still pick up a compatible OAuth implementation
> installed by the distro? If so, we can go with a "bare" dlopen(). If
> that's not okay, I think we will probably need to use pkglibdir or
> some derivative, and introduce a way for tests (and users?) to
> override that directory selection. Unless someone has a good idea on
> how we can split the difference.

One design goal could be reproducible builds-alike, that is, have
libpq configured with or without libcurl be completely identical, and
the feature being present is simply the libpq-oauth.so file existing
or not. That might make using plain dlopen() more attractive.

Christoph