0c679f5566
Reviewed-by: Neil Horman <nhorman@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> Release: yes
123 lines
4 KiB
C
123 lines
4 KiB
C
/*
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* Copyright 2023-2025 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef OSSL_QUIC_PORT_LOCAL_H
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# define OSSL_QUIC_PORT_LOCAL_H
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# include "internal/quic_port.h"
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# include "internal/quic_reactor.h"
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# include "internal/list.h"
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# ifndef OPENSSL_NO_QUIC
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/*
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* QUIC Port Structure
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* ===================
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*
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* QUIC port internals. It is intended that only the QUIC_PORT and QUIC_CHANNEL
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* implementation be allowed to access this structure directly.
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*
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* Other components should not include this header.
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*/
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DECLARE_LIST_OF(ch, QUIC_CHANNEL);
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DECLARE_LIST_OF(incoming_ch, QUIC_CHANNEL);
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/* A port is always in one of the following states: */
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enum {
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/* Initial and steady state. */
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QUIC_PORT_STATE_RUNNING,
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/*
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* Terminal state indicating port is no longer functioning. There are no
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* transitions out of this state. May be triggered by e.g. a permanent
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* network BIO error.
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*/
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QUIC_PORT_STATE_FAILED
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};
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struct quic_port_st {
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/* The engine which this port is a child of. */
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QUIC_ENGINE *engine;
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/*
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* QUIC_ENGINE keeps the ports which belong to it on a list for bookkeeping
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* purposes.
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*/
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OSSL_LIST_MEMBER(port, QUIC_PORT);
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SSL * (*get_conn_user_ssl)(QUIC_CHANNEL *ch, void *arg);
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void *user_ssl_arg;
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/* Used to create handshake layer objects inside newly created channels. */
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SSL_CTX *channel_ctx;
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/* Network-side read and write BIOs. */
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BIO *net_rbio, *net_wbio;
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/* RX demuxer. We register incoming DCIDs with this. */
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QUIC_DEMUX *demux;
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/* List of all child channels. */
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OSSL_LIST(ch) channel_list;
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/*
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* Queue of unaccepted incoming channels. Each such channel is also on
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* channel_list.
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*/
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OSSL_LIST(incoming_ch) incoming_channel_list;
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/* Special TSERVER channel. To be removed in the future. */
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QUIC_CHANNEL *tserver_ch;
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/* LCIDM used for incoming packet routing by DCID. */
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QUIC_LCIDM *lcidm;
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/* SRTM used for incoming packet routing by SRT. */
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QUIC_SRTM *srtm;
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/* Port-level permanent errors (causing failure state) are stored here. */
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ERR_STATE *err_state;
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/* DCID length used for incoming short header packets. */
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unsigned char rx_short_dcid_len;
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/* For clients, CID length used for outgoing Initial packets. */
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unsigned char tx_init_dcid_len;
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/* Port state (QUIC_PORT_STATE_*). */
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unsigned int state : 1;
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/* Is this port created to support multiple connections? */
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unsigned int is_multi_conn : 1;
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/* Is this port doing server address validation */
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unsigned int validate_addr : 1;
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/* Has this port sent any packet of any kind yet? */
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unsigned int have_sent_any_pkt : 1;
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/* Does this port allow incoming connections? */
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unsigned int allow_incoming : 1;
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/* Are we on the QUIC_ENGINE linked list of ports? */
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unsigned int on_engine_list : 1;
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/* Are we using addressed mode (BIO_sendmmsg with non-NULL peer)? */
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unsigned int addressed_mode_w : 1;
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unsigned int addressed_mode_r : 1;
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/* Has the BIO been changed since we last updated reactor pollability? */
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unsigned int bio_changed : 1;
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/* AES-256 GCM context for token encryption */
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EVP_CIPHER_CTX *token_ctx;
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};
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# endif
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#endif
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