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view src/event/quic/ngx_event_quic_migration.h @ 8717:e06283038ec8 quic

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QUIC: clear SSL_OP_ENABLE_MIDDLEBOX_COMPAT on SSL context switch. The SSL_OP_ENABLE_MIDDLEBOX_COMPAT option is provided by QuicTLS and enabled by default in the newly created SSL contexts. SSL_set_quic_method() is used to clear it, which is required for SSL handshake to work on QUIC connections. Switching context in the ngx_http_ssl_servername() SNI callback overrides SSL options from the new SSL context. This results in the option set again. Fix is to explicitly clear it when switching to another SSL context. Initially reported here (in Russian): http://mailman.nginx.org/pipermail/nginx-ru/2021-November/063989.html
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 07 Dec 2021 15:49:51 +0300
parents 40445fc7c403
children ddd5e5c0f87d
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/*
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_EVENT_QUIC_MIGRATION_H_INCLUDED_
#define _NGX_EVENT_QUIC_MIGRATION_H_INCLUDED_


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

#define NGX_QUIC_PATH_RETRIES          3

#define NGX_QUIC_PATH_NEW              0
#define NGX_QUIC_PATH_VALIDATING       1
#define NGX_QUIC_PATH_VALIDATED        2

#define NGX_QUIC_PATH_VALID_TIME       600 /* seconds */


#define ngx_quic_path_state_str(p)                                            \
    ((p)->state == NGX_QUIC_PATH_NEW) ? "new" :                               \
        (((p)->state == NGX_QUIC_PATH_VALIDATED) ? "validated" : "validating")


ngx_int_t ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
    ngx_quic_path_challenge_frame_t *f);
ngx_int_t ngx_quic_handle_path_response_frame(ngx_connection_t *c,
    ngx_quic_path_challenge_frame_t *f);

ngx_quic_path_t *ngx_quic_find_path(ngx_connection_t *c,
    struct sockaddr *sockaddr, socklen_t socklen);
ngx_quic_path_t *ngx_quic_add_path(ngx_connection_t *c,
    struct sockaddr *sockaddr, socklen_t socklen);

ngx_int_t ngx_quic_update_paths(ngx_connection_t *c, ngx_quic_header_t *pkt);
ngx_int_t ngx_quic_handle_migration(ngx_connection_t *c,
    ngx_quic_header_t *pkt);

void ngx_quic_path_validation_handler(ngx_event_t *ev);

#endif /* _NGX_EVENT_QUIC_MIGRATION_H_INCLUDED_ */