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Fix regression in TLS session ticket disabling

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Commit 274bbced disabled session tickets for TLSv1.3 on top of the
already disabled TLSv1.2 session tickets, but accidentally caused
a regression where TLSv1.2 session tickets were incorrectly sent.
Fix by unconditionally disabling TLSv1.2 session tickets and only
disable TLSv1.3 tickets when the right version of OpenSSL is used.

Backpatch to all supported branches.

Reported-by: Cameron Vogt <cvogt@automaticcontrols.net>
Reported-by: Fire Emerald <fire.github@gmail.com>
Reviewed-by: Jacob Champion <jacob.champion@enterprisedb.com>
Discussion: https://postgr.es/m/DM6PR16MB3145CF62857226F350C710D1AB852@DM6PR16MB3145.namprd16.prod.outlook.com
Backpatch-through: v12
This commit is contained in:
Daniel Gustafsson 2024-08-19 12:55:11 +02:00
parent 283964ee4d
commit 9333174af4
1 changed files with 1 additions and 2 deletions
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3
src/backend/libpq/be-secure-openssl.c
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@ -263,9 +263,8 @@ be_tls_init(bool isServerStart)
*/
#ifdef HAVE_SSL_CTX_SET_NUM_TICKETS
SSL_CTX_set_num_tickets(context, 0);
#else
SSL_CTX_set_options(context, SSL_OP_NO_TICKET);
#endif
SSL_CTX_set_options(context, SSL_OP_NO_TICKET);
/* disallow SSL session caching, too */
SSL_CTX_set_session_cache_mode(context, SSL_SESS_CACHE_OFF);