Re: Kerberos delegation support in libpq and postgres_fdw

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Jacob Champion <jchampion(at)timescale(dot)com>
Cc: Stephen Frost <sfrost(at)snowman(dot)net>, pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Magnus Hagander <magnus(at)hagander(dot)net>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>
Subject: Re: Kerberos delegation support in libpq and postgres_fdw
Date: 2022-10-12 05:32:31
Message-ID: Y0ZRb9J6VpzMwvUP@paquier.xyz
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On Mon, Sep 19, 2022 at 02:05:39PM -0700, Jacob Champion wrote:
> It's not prevented, because a password is being used. In my tests I'm
> connecting as an unprivileged user.
>
> You're claiming that the middlebox shouldn't be doing this. If this new
> default behavior were the historical behavior, then I would have agreed.
> But the cat's already out of the bag on that, right? It's safe today.
> And if it's not safe today for some other reason, please share why, and
> maybe I can work on a patch to try to prevent people from doing it.

Please note that this has been marked as returned with feedback in the
current CF, as this has remained unanswered for a bit more than three
weeks.
--
Michael

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