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view src/event/quic/ngx_event_quic_ack.h @ 9062:987bee4363d1 quic

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HTTP/3: handled insertion reference to a going to be evicted entry. As per RFC 9204, section 3.2.2, a new entry can reference an entry in the dynamic table that will be evicted when adding this new entry into the dynamic table. Previously, such inserts resulted in use-after-free since the old entry was evicted before the insertion (ticket #2431). Now it's evicted after the insertion. This change fixes Insert with Name Reference and Duplicate encoder instructions.
author Roman Arutyunyan <arut@nginx.com>
date Tue, 03 Jan 2023 16:24:45 +0400
parents 4117aa7fa38e
children
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/*
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_EVENT_QUIC_ACK_H_INCLUDED_
#define _NGX_EVENT_QUIC_ACK_H_INCLUDED_


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


ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c,
    ngx_quic_header_t *pkt, ngx_quic_frame_t *f);

void ngx_quic_congestion_ack(ngx_connection_t *c,
    ngx_quic_frame_t *frame);
void ngx_quic_resend_frames(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx);
void ngx_quic_set_lost_timer(ngx_connection_t *c);
void ngx_quic_pto_handler(ngx_event_t *ev);
ngx_msec_t ngx_quic_pto(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx);

ngx_int_t ngx_quic_ack_packet(ngx_connection_t *c,
    ngx_quic_header_t *pkt);
ngx_int_t ngx_quic_generate_ack(ngx_connection_t *c,
    ngx_quic_send_ctx_t *ctx);

#endif /* _NGX_EVENT_QUIC_ACK_H_INCLUDED_ */