Re: [PATCH] Add `verify-system` sslmode to use system CA pool for server cert

From: Jacob Champion <jchampion(at)timescale(dot)com>
To: Daniel Gustafsson <daniel(at)yesql(dot)se>
Cc: Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, "Gregory Stark (as CFM)" <stark(dot)cfm(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Magnus Hagander <magnus(at)hagander(dot)net>, Michael Paquier <michael(at)paquier(dot)xyz>, thomas(at)habets(dot)se, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Bruce Momjian <bruce(at)momjian(dot)us>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Jelte Fennema <postgres(at)jeltef(dot)nl>
Subject: Re: [PATCH] Add `verify-system` sslmode to use system CA pool for server cert
Date: 2023-04-12 16:54:20
Message-ID: CAAWbhmgfhyLiPNehXOHL6Wswr5EAqNJLzgKOb4nYn8iSZN4+TQ@mail.gmail.com
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On Wed, Apr 12, 2023 at 2:24 AM Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:
> > On 12 Apr 2023, at 09:11, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> wrote:
> > # Failed test 'sslrootcert=system does not connect with private CA: matches'
> > # at t/001_ssltests.pl line 479.
> > # 'psql: error: connection to server at "127.0.0.1", port 53971 failed: SSL SYSCALL error: Undefined error: 0'
> > # doesn't match '(?^:SSL error: certificate verify failed)'
> >
> > This is with OpenSSL 3.1.0 from macOS/Homebrew.
> >
> > If I instead use OpenSSL 1.1.1t, then the tests pass.
>
> I am unable to reproduce this (or any failure) with OpenSSL 3.1 built from
> source (or 3.0 or 3.1.1-dev) or installed via homebrew (on macOS 12 with Intel
> CPU). Do you have any more clues from logs what might've happened?

This looks similar (but not identical) to the brew bug we're working
around for Cirrus, in which `brew cleanup` breaks the OpenSSL
installation and turns certificate verification failures into
bizarrely unhelpful messages.

Peter, you should have a .../etc/openssl(at)3/certs directory somewhere
in your Homebrew installation prefix -- do you, or has Homebrew
removed it by mistake?

--Jacob

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