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
Branch
------
master
Details
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https://git.postgresql.org/pg/commitdiff/bbf9c282ce92272ed7bf6771daf0f9efa209e61b
Modified Files
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src/interfaces/libpq/fe-connect.c | 22 +++++++++++----
src/interfaces/libpq/fe-protocol3.c | 55 +++++++++++++++++++++++++++++++++++++
src/interfaces/libpq/libpq-int.h | 1 +
3 files changed, 73 insertions(+), 5 deletions(-)