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view src/http/modules/ngx_http_ssl_module.h @ 7674:7731c710796f

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Memcached: protect from too long responses. If a memcached response was followed by a correct trailer, and then the NUL character followed by some extra data - this was accepted by the trailer checking code. This in turn resulted in ctx->rest underflow and caused negative size buffer on the next reading from the upstream, followed by the "negative size buf in writer" alert. Fix is to always check for too long responses, so a correct trailer cannot be followed by extra data.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 06 Jul 2020 18:36:17 +0300
parents b56f725dd4bb
children 3bff3f397c05 7995cd199b52
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_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_uint_t                      ocsp;
    ngx_str_t                       ocsp_responder;
    ngx_shm_zone_t                 *ocsp_cache_zone;

    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_ */