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view src/mail/ngx_mail_ssl_module.h @ 6423:c5f81dcf97a7

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Copy filter: fixed sendfile aio handlers to set ctx->aio. Sendfile handlers (aio preload and thread handler) are called within ctx->output_filter() in ngx_output_chain(), and hence ctx->aio cannot be set directly in ngx_output_chain(). Meanwhile, it must be set to make sure loop within ngx_output_chain() will be properly terminated. There are no known cases that trigger the problem, though in theory something like aio + sub filter (something that needs body in memory, and can also free some memory buffers) + sendfile can result in "task already active" and "second aio post" alerts. The fix is to set ctx->aio in ngx_http_copy_aio_sendfile_preload() and ngx_http_copy_thread_handler(). For consistency, ctx->aio is no longer set explicitly in ngx_output_chain_copy_buf(), as it's now done in ngx_http_copy_thread_handler().
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 03 Mar 2016 21:14:19 +0300
parents ec01b1d1fff1
children 51e1f047d15d
line wrap: on
line source


/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_MAIL_SSL_H_INCLUDED_
#define _NGX_MAIL_SSL_H_INCLUDED_


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


#define NGX_MAIL_STARTTLS_OFF   0
#define NGX_MAIL_STARTTLS_ON    1
#define NGX_MAIL_STARTTLS_ONLY  2


typedef struct {
    ngx_flag_t       enable;
    ngx_flag_t       prefer_server_ciphers;

    ngx_ssl_t        ssl;

    ngx_uint_t       starttls;
    ngx_uint_t       protocols;

    ngx_uint_t       verify;
    ngx_uint_t       verify_depth;

    ssize_t          builtin_session_cache;

    time_t           session_timeout;

    ngx_str_t        certificate;
    ngx_str_t        certificate_key;
    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;

    u_char          *file;
    ngx_uint_t       line;
} ngx_mail_ssl_conf_t;


extern ngx_module_t  ngx_mail_ssl_module;


#endif /* _NGX_MAIL_SSL_H_INCLUDED_ */