pgsql: libpq: Fix SNI host handling

From: Peter Eisentraut <peter(at)eisentraut(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: libpq: Fix SNI host handling
Date: 2021-06-08 14:01:43
Message-ID: E1lqcIZ-00033e-P0@gemulon.postgresql.org
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libpq: Fix SNI host handling

Fix handling of NULL host name (possibly by using hostaddr). It
previously crashed. Also, we should look at connhost, not pghost, to
handle multi-host specifications.

Also remove an unnecessary SSL_CTX_free().

Reported-by: Jacob Champion <pchampion(at)vmware(dot)com>
Reviewed-by: Michael Paquier <michael(at)paquier(dot)xyz>
Discussion: https://www.postgresql.org/message-id/504c276ab6eee000bb23d571ea9b0ced4250774e.camel@vmware.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/37e1cce4ddf0be362e3093cee55493aee41bc423

Modified Files
--------------
src/interfaces/libpq/fe-secure-openssl.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)

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