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view src/http/modules/ngx_http_ssl_module.h @ 7507:ea05113adbdb

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Range filter: fixed loss of incoming chain links. Filters are not allowed to change incoming chain links, and should allocate their own links if any modifications are needed. Nevertheless ngx_http_range_singlepart_body() modified incoming chain links in some cases, notably at the end of the requested range. No problems caused by this are currently known, mostly because of limited number of possible modifications and the position of the range body filter in the filter chain. Though this behaviour is clearly incorrect and tests demonstrate that it can at least cause some proxy buffers being lost when using proxy_force_ranges, leading to less effective handling of responses. Fix is to always allocate new chain links in ngx_http_range_singlepart_body(). Links are explicitly freed to ensure constant memory usage with long-lived requests.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 13 May 2019 22:44:02 +0300
parents be2af41d3620
children 8409f9df6219 5d91389e0fd3
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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_flag_t                      early_data;

    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_array_t                    *certificate_values;
    ngx_array_t                    *certificate_key_values;

    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_ */