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Support configuring TLSv1.3 cipher suites

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The ssl_ciphers GUC can only set cipher suites for TLSv1.2, and lower,
connections. For TLSv1.3 connections a different OpenSSL API must be
used.  This adds a new GUC, ssl_tls13_ciphers, which can be used to
configure a colon separated list of cipher suites to support when
performing a TLSv1.3 handshake.

Original patch by Erica Zhang with additional hacking by me.

Author: Erica Zhang <ericazhangy2021@qq.com>
Author: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Jacob Champion <jacob.champion@enterprisedb.com>
Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Jelte Fennema-Nio <postgres@jeltef.nl>
Discussion: https://postgr.es/m/tencent_063F89FA72CCF2E48A0DF5338841988E9809@qq.com
This commit is contained in:
Daniel Gustafsson
2024-10-24 15:20:32 +02:00
parent 3d1ef3a15c
commit 45188c2ea2
7 changed files with 66 additions and 15 deletions
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15
src/backend/utils/misc/guc_tables.c
View File

@@ -4641,12 +4641,23 @@ struct config_string ConfigureNamesString[] =
},
{
{"ssl_ciphers", PGC_SIGHUP, CONN_AUTH_SSL,
gettext_noop("Sets the list of allowed SSL ciphers."),
{"ssl_tls13_ciphers", PGC_SIGHUP, CONN_AUTH_SSL,
gettext_noop("Sets the list of allowed TLSv1.3 cipher suites (leave blank for default)."),
NULL,
GUC_SUPERUSER_ONLY
},
&SSLCipherSuites,
"",
NULL, NULL, NULL
},
{
{"ssl_ciphers", PGC_SIGHUP, CONN_AUTH_SSL,
gettext_noop("Sets the list of allowed TLSv1.2 (and lower) ciphers."),
NULL,
GUC_SUPERUSER_ONLY
},
&SSLCipherList,
#ifdef USE_OPENSSL
"HIGH:MEDIUM:+3DES:!aNULL",
#else