diff options
Diffstat (limited to 'crypto/openssl/ssl/quic/quic_port_local.h')
| -rw-r--r-- | crypto/openssl/ssl/quic/quic_port_local.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/crypto/openssl/ssl/quic/quic_port_local.h b/crypto/openssl/ssl/quic/quic_port_local.h new file mode 100644 index 000000000000..e36272a94d61 --- /dev/null +++ b/crypto/openssl/ssl/quic/quic_port_local.h @@ -0,0 +1,123 @@ +/* + * Copyright 2023-2025 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#ifndef OSSL_QUIC_PORT_LOCAL_H +# define OSSL_QUIC_PORT_LOCAL_H + +# include "internal/quic_port.h" +# include "internal/quic_reactor.h" +# include "internal/list.h" + +# ifndef OPENSSL_NO_QUIC + +/* + * QUIC Port Structure + * =================== + * + * QUIC port internals. It is intended that only the QUIC_PORT and QUIC_CHANNEL + * implementation be allowed to access this structure directly. + * + * Other components should not include this header. + */ +DECLARE_LIST_OF(ch, QUIC_CHANNEL); +DECLARE_LIST_OF(incoming_ch, QUIC_CHANNEL); + +/* A port is always in one of the following states: */ +enum { + /* Initial and steady state. */ + QUIC_PORT_STATE_RUNNING, + + /* + * Terminal state indicating port is no longer functioning. There are no + * transitions out of this state. May be triggered by e.g. a permanent + * network BIO error. + */ + QUIC_PORT_STATE_FAILED +}; + +struct quic_port_st { + /* The engine which this port is a child of. */ + QUIC_ENGINE *engine; + + /* + * QUIC_ENGINE keeps the ports which belong to it on a list for bookkeeping + * purposes. + */ + OSSL_LIST_MEMBER(port, QUIC_PORT); + + SSL * (*get_conn_user_ssl)(QUIC_CHANNEL *ch, void *arg); + void *user_ssl_arg; + + /* Used to create handshake layer objects inside newly created channels. */ + SSL_CTX *channel_ctx; + + /* Network-side read and write BIOs. */ + BIO *net_rbio, *net_wbio; + + /* RX demuxer. We register incoming DCIDs with this. */ + QUIC_DEMUX *demux; + + /* List of all child channels. */ + OSSL_LIST(ch) channel_list; + + /* + * Queue of unaccepted incoming channels. Each such channel is also on + * channel_list. + */ + OSSL_LIST(incoming_ch) incoming_channel_list; + + /* Special TSERVER channel. To be removed in the future. */ + QUIC_CHANNEL *tserver_ch; + + /* LCIDM used for incoming packet routing by DCID. */ + QUIC_LCIDM *lcidm; + + /* SRTM used for incoming packet routing by SRT. */ + QUIC_SRTM *srtm; + + /* Port-level permanent errors (causing failure state) are stored here. */ + ERR_STATE *err_state; + + /* DCID length used for incoming short header packets. */ + unsigned char rx_short_dcid_len; + /* For clients, CID length used for outgoing Initial packets. */ + unsigned char tx_init_dcid_len; + + /* Port state (QUIC_PORT_STATE_*). */ + unsigned int state : 1; + + /* Is this port created to support multiple connections? */ + unsigned int is_multi_conn : 1; + + /* Is this port doing server address validation */ + unsigned int validate_addr : 1; + + /* Has this port sent any packet of any kind yet? */ + unsigned int have_sent_any_pkt : 1; + + /* Does this port allow incoming connections? */ + unsigned int allow_incoming : 1; + + /* Are we on the QUIC_ENGINE linked list of ports? */ + unsigned int on_engine_list : 1; + + /* Are we using addressed mode (BIO_sendmmsg with non-NULL peer)? */ + unsigned int addressed_mode_w : 1; + unsigned int addressed_mode_r : 1; + + /* Has the BIO been changed since we last updated reactor pollability? */ + unsigned int bio_changed : 1; + + /* AES-256 GCM context for token encryption */ + EVP_CIPHER_CTX *token_ctx; +}; + +# endif + +#endif |