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view src/http/modules/ngx_http_ssl_module.h @ 7320:696df3ac27ac

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SSL: save sessions for upstream peers using a callback function. In TLSv1.3, NewSessionTicket messages arrive after the handshake and can come at any time. Therefore we use a callback to save the session when we know about it. This approach works for < TLSv1.3 as well. The callback function is set once per location on merge phase. Since SSL_get_session() in BoringSSL returns an unresumable session for TLSv1.3, peer save_session() methods have been updated as well to use a session supplied within the callback. To preserve API, the session is cached in c->ssl->session. It is preferably accessed in save_session() methods by ngx_ssl_get_session() and ngx_ssl_get0_session() wrappers.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 17 Jul 2018 12:53:23 +0300
parents 51e1f047d15d
children ba971deb4b44
line wrap: on
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_HTTP_SSL_H_INCLUDED_
#define _NGX_HTTP_SSL_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>


typedef struct {
    ngx_flag_t                      enable;

    ngx_ssl_t                       ssl;

    ngx_flag_t                      prefer_server_ciphers;

    ngx_uint_t                      protocols;

    ngx_uint_t                      verify;
    ngx_uint_t                      verify_depth;

    size_t                          buffer_size;

    ssize_t                         builtin_session_cache;

    time_t                          session_timeout;

    ngx_array_t                    *certificates;
    ngx_array_t                    *certificate_keys;

    ngx_str_t                       dhparam;
    ngx_str_t                       ecdh_curve;
    ngx_str_t                       client_certificate;
    ngx_str_t                       trusted_certificate;
    ngx_str_t                       crl;

    ngx_str_t                       ciphers;

    ngx_array_t                    *passwords;

    ngx_shm_zone_t                 *shm_zone;

    ngx_flag_t                      session_tickets;
    ngx_array_t                    *session_ticket_keys;

    ngx_flag_t                      stapling;
    ngx_flag_t                      stapling_verify;
    ngx_str_t                       stapling_file;
    ngx_str_t                       stapling_responder;

    u_char                         *file;
    ngx_uint_t                      line;
} ngx_http_ssl_srv_conf_t;


extern ngx_module_t  ngx_http_ssl_module;


#endif /* _NGX_HTTP_SSL_H_INCLUDED_ */