forked from cory/tildefriends
107 lines
3.6 KiB
C
107 lines
3.6 KiB
C
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/*
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* Copyright 2022-2023 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_TLS_H
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# define OSSL_QUIC_TLS_H
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# include <openssl/ssl.h>
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# include "internal/quic_stream.h"
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typedef struct quic_tls_st QUIC_TLS;
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typedef struct quic_tls_args_st {
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/*
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* The "inner" SSL object for the QUIC Connection. Contains an
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* SSL_CONNECTION
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*/
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SSL *s;
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/*
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* Called to send data on the crypto stream. We use a callback rather than
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* passing the crypto stream QUIC_SSTREAM directly because this lets the CSM
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* dynamically select the correct outgoing crypto stream based on the
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* current EL.
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*/
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int (*crypto_send_cb)(const unsigned char *buf, size_t buf_len,
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size_t *consumed, void *arg);
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void *crypto_send_cb_arg;
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/*
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* Call to receive crypto stream data. A pointer to the underlying buffer
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* is provided, and subsequently released to avoid unnecessary copying of
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* data.
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*/
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int (*crypto_recv_rcd_cb)(const unsigned char **buf, size_t *bytes_read,
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void *arg);
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void *crypto_recv_rcd_cb_arg;
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int (*crypto_release_rcd_cb)(size_t bytes_read, void *arg);
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void *crypto_release_rcd_cb_arg;
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/* Called when a traffic secret is available for a given encryption level. */
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int (*yield_secret_cb)(uint32_t enc_level, int direction /* 0=RX, 1=TX */,
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uint32_t suite_id, EVP_MD *md,
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const unsigned char *secret, size_t secret_len,
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void *arg);
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void *yield_secret_cb_arg;
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/*
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* Called when we receive transport parameters from the peer.
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*
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* Note: These parameters are not authenticated until the handshake is
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* marked as completed.
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*/
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int (*got_transport_params_cb)(const unsigned char *params,
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size_t params_len,
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void *arg);
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void *got_transport_params_cb_arg;
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/*
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* Called when the handshake has been completed as far as the handshake
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* protocol is concerned, meaning that the connection has been
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* authenticated.
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*/
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int (*handshake_complete_cb)(void *arg);
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void *handshake_complete_cb_arg;
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/*
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* Called when something has gone wrong with the connection as far as the
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* handshake layer is concerned, meaning that it should be immediately torn
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* down. Note that this may happen at any time, including after a connection
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* has been fully established.
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*/
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int (*alert_cb)(void *arg, unsigned char alert_code);
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void *alert_cb_arg;
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/* Set to 1 if we are running in the server role. */
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int is_server;
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} QUIC_TLS_ARGS;
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QUIC_TLS *ossl_quic_tls_new(const QUIC_TLS_ARGS *args);
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void ossl_quic_tls_free(QUIC_TLS *qtls);
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/* Advance the state machine */
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int ossl_quic_tls_tick(QUIC_TLS *qtls);
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int ossl_quic_tls_set_transport_params(QUIC_TLS *qtls,
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const unsigned char *transport_params,
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size_t transport_params_len);
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int ossl_quic_tls_get_error(QUIC_TLS *qtls,
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uint64_t *error_code,
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const char **error_msg,
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ERR_STATE **error_state);
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int ossl_quic_tls_is_cert_request(QUIC_TLS *qtls);
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int ossl_quic_tls_has_bad_max_early_data(QUIC_TLS *qtls);
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#endif
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