Horton

libpq: Handle NegotiateProtocolVersion message

Peter Eisentraut <peter@eisentraut.org>

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Commit: bbf9c282ce92272ed7bf6771daf0f9efa209e61b
Author: Peter Eisentraut <peter@eisentraut.org>
Date: 2022-11-17T14:42:09Z
Releases: 16.0 
libpq: Handle NegotiateProtocolVersion message

Before, receiving a NegotiateProtocolVersion message would result in a
confusing error message like

    expected authentication request from server, but received v

This adds proper handling of this protocol message and produces an
on-topic error message from it.

Reviewed-by: Jacob Champion <jchampion@timescale.com>
Reviewed-by: Nathan Bossart <nathandbossart@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/f9c7862f-b864-8ef7-a861-c4638c83e209%40enterprisedb.com

Files

PathChange+/−
src/interfaces/libpq/fe-connect.c modified +17 −5
src/interfaces/libpq/fe-protocol3.c modified +55 −0
src/interfaces/libpq/libpq-int.h modified +1 −0

Discussion