Mercurial > hg > nginx
view src/event/ngx_event_openssl.h @ 6635:6acaa638fa07
Events: support for EPOLLEXCLUSIVE.
This flag appeared in Linux 4.5 and is useful for avoiding thundering herd
problem.
The current Linux kernel implementation walks the list of exclusive waiters,
and queues an event to each epfd, until it finds the first waiter that has
threads blocked on it via epoll_wait().
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Fri, 15 Jul 2016 15:18:57 +0300 |
parents | 04d8d1f85649 |
children | e38e9c50a40e |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_EVENT_OPENSSL_H_INCLUDED_ #define _NGX_EVENT_OPENSSL_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #include <openssl/ssl.h> #include <openssl/err.h> #include <openssl/bn.h> #include <openssl/conf.h> #include <openssl/crypto.h> #include <openssl/dh.h> #ifndef OPENSSL_NO_ENGINE #include <openssl/engine.h> #endif #include <openssl/evp.h> #ifndef OPENSSL_NO_OCSP #include <openssl/ocsp.h> #endif #include <openssl/rand.h> #include <openssl/rsa.h> #include <openssl/x509.h> #include <openssl/x509v3.h> #define NGX_SSL_NAME "OpenSSL" #if (defined LIBRESSL_VERSION_NUMBER && OPENSSL_VERSION_NUMBER == 0x20000000L) #undef OPENSSL_VERSION_NUMBER #define OPENSSL_VERSION_NUMBER 0x1000107fL #endif #if (OPENSSL_VERSION_NUMBER >= 0x10100001L) #define ngx_ssl_version() OpenSSL_version(OPENSSL_VERSION) #else #define ngx_ssl_version() SSLeay_version(SSLEAY_VERSION) #endif #define ngx_ssl_session_t SSL_SESSION #define ngx_ssl_conn_t SSL typedef struct { SSL_CTX *ctx; ngx_log_t *log; size_t buffer_size; } ngx_ssl_t; typedef struct { ngx_ssl_conn_t *connection; SSL_CTX *session_ctx; ngx_int_t last; ngx_buf_t *buf; size_t buffer_size; ngx_connection_handler_pt handler; ngx_event_handler_pt saved_read_handler; ngx_event_handler_pt saved_write_handler; unsigned handshaked:1; unsigned renegotiation:1; unsigned buffer:1; unsigned no_wait_shutdown:1; unsigned no_send_shutdown:1; unsigned handshake_buffer_set:1; } ngx_ssl_connection_t; #define NGX_SSL_NO_SCACHE -2 #define NGX_SSL_NONE_SCACHE -3 #define NGX_SSL_NO_BUILTIN_SCACHE -4 #define NGX_SSL_DFLT_BUILTIN_SCACHE -5 #define NGX_SSL_MAX_SESSION_SIZE 4096 typedef struct ngx_ssl_sess_id_s ngx_ssl_sess_id_t; struct ngx_ssl_sess_id_s { ngx_rbtree_node_t node; u_char *id; size_t len; u_char *session; ngx_queue_t queue; time_t expire; #if (NGX_PTR_SIZE == 8) void *stub; u_char sess_id[32]; #endif }; typedef struct { ngx_rbtree_t session_rbtree; ngx_rbtree_node_t sentinel; ngx_queue_t expire_queue; } ngx_ssl_session_cache_t; #ifdef SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB typedef struct { u_char name[16]; u_char aes_key[16]; u_char hmac_key[16]; } ngx_ssl_session_ticket_key_t; #endif #define NGX_SSL_SSLv2 0x0002 #define NGX_SSL_SSLv3 0x0004 #define NGX_SSL_TLSv1 0x0008 #define NGX_SSL_TLSv1_1 0x0010 #define NGX_SSL_TLSv1_2 0x0020 #define NGX_SSL_BUFFER 1 #define NGX_SSL_CLIENT 2 #define NGX_SSL_BUFSIZE 16384 ngx_int_t ngx_ssl_init(ngx_log_t *log); ngx_int_t ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data); ngx_int_t ngx_ssl_certificates(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_array_t *certs, ngx_array_t *keys, ngx_array_t *passwords); ngx_int_t ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert, ngx_str_t *key, ngx_array_t *passwords); ngx_int_t ngx_ssl_ciphers(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *ciphers, ngx_uint_t prefer_server_ciphers); ngx_int_t ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert, ngx_int_t depth); ngx_int_t ngx_ssl_trusted_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert, ngx_int_t depth); ngx_int_t ngx_ssl_crl(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *crl); ngx_int_t ngx_ssl_stapling(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *file, ngx_str_t *responder, ngx_uint_t verify); ngx_int_t ngx_ssl_stapling_resolver(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_resolver_t *resolver, ngx_msec_t resolver_timeout); RSA *ngx_ssl_rsa512_key_callback(ngx_ssl_conn_t *ssl_conn, int is_export, int key_length); ngx_array_t *ngx_ssl_read_password_file(ngx_conf_t *cf, ngx_str_t *file); ngx_int_t ngx_ssl_dhparam(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *file); ngx_int_t ngx_ssl_ecdh_curve(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *name); ngx_int_t ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx, ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout); ngx_int_t ngx_ssl_session_ticket_keys(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_array_t *paths); ngx_int_t ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data); ngx_int_t ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags); void ngx_ssl_remove_cached_session(SSL_CTX *ssl, ngx_ssl_session_t *sess); ngx_int_t ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session); #define ngx_ssl_get_session(c) SSL_get1_session(c->ssl->connection) #define ngx_ssl_free_session SSL_SESSION_free #define ngx_ssl_get_connection(ssl_conn) \ SSL_get_ex_data(ssl_conn, ngx_ssl_connection_index) #define ngx_ssl_get_server_conf(ssl_ctx) \ SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_server_conf_index) #define ngx_ssl_verify_error_optional(n) \ (n == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT \ || n == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN \ || n == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY \ || n == X509_V_ERR_CERT_UNTRUSTED \ || n == X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE) ngx_int_t ngx_ssl_check_host(ngx_connection_t *c, ngx_str_t *name); ngx_int_t ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_session_id(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_session_reused(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_server_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_raw_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_fingerprint(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_get_client_verify(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s); ngx_int_t ngx_ssl_handshake(ngx_connection_t *c); ssize_t ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size); ssize_t ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size); ssize_t ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl, off_t limit); ngx_chain_t *ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit); void ngx_ssl_free_buffer(ngx_connection_t *c); ngx_int_t ngx_ssl_shutdown(ngx_connection_t *c); void ngx_cdecl ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...); void ngx_ssl_cleanup_ctx(void *data); extern int ngx_ssl_connection_index; extern int ngx_ssl_server_conf_index; extern int ngx_ssl_session_cache_index; extern int ngx_ssl_session_ticket_keys_index; extern int ngx_ssl_certificate_index; extern int ngx_ssl_next_certificate_index; extern int ngx_ssl_stapling_index; #endif /* _NGX_EVENT_OPENSSL_H_INCLUDED_ */