Mercurial > hg > nginx
changeset 8074:026ee23b6774
SSL: disabled saving tickets to session cache.
OpenSSL tries to save TLSv1.3 sessions into session cache even when using
tickets for stateless session resumption, "because some applications just
want to know about the creation of a session". To avoid trashing session
cache with useless data, we do not save such sessions now.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Wed, 12 Oct 2022 20:14:34 +0300 |
parents | aa663cc2a77d |
children | 38c71f9b2293 |
files | src/event/ngx_event_openssl.c |
diffstat | 1 files changed, 17 insertions(+), 0 deletions(-) [+] |
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--- a/src/event/ngx_event_openssl.c Tue Sep 27 11:31:16 2022 +0400 +++ b/src/event/ngx_event_openssl.c Wed Oct 12 20:14:34 2022 +0300 @@ -3818,6 +3818,23 @@ ngx_ssl_session_cache_t *cache; u_char buf[NGX_SSL_MAX_SESSION_SIZE]; +#ifdef TLS1_3_VERSION + + /* + * OpenSSL tries to save TLSv1.3 sessions into session cache + * even when using tickets for stateless session resumption, + * "because some applications just want to know about the creation + * of a session"; do not cache such sessions + */ + + if (SSL_version(ssl_conn) == TLS1_3_VERSION + && (SSL_get_options(ssl_conn) & SSL_OP_NO_TICKET) == 0) + { + return 0; + } + +#endif + len = i2d_SSL_SESSION(sess, NULL); /* do not cache too big session */