Re: Direct SSL connection with ALPN and HBA rules

From: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
To: Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>
Cc: Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Robert Haas <robertmhaas(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Direct SSL connection with ALPN and HBA rules
Date: 2024-05-13 14:54:30
Message-ID: 0b42d924-1740-41c4-a628-3e2211e6bbc4@iki.fi
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On 13/05/2024 16:55, Jelte Fennema-Nio wrote:
> On Mon, 13 May 2024 at 15:38, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
>> Here's a patch to implement that.
>
> + if (conn->sslnegotiation[0] == 'd' &&
> + conn->sslmode[0] != 'r' && conn->sslmode[0] != 'v')
>
> I think these checks should use strcmp instead of checking magic first
> characters. I see this same clever trick is used in the recently added
> init_allowed_encryption_methods, and I think that should be changed to
> use strcmp too for readability.

Oh yeah, I hate that too. These should be refactored into enums, with a
clear separate stage of parsing the options from strings. But we use
that pattern all over the place, so I didn't want to start reforming it
with this patch.

--
Heikki Linnakangas
Neon (https://neon.tech)

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