curl/lib/vquic/vquic-tls.h
Stefan Eissing 5d044ad948
vquic: extract TLS setup into own source
- separate ngtcp2 specific parts out
- provide callback during init to allow ngtcp2 to apply its defaults

Closes #12678
2024-01-11 10:43:00 +01:00

99 lines
3.7 KiB
C

#ifndef HEADER_CURL_VQUIC_TLS_H
#define HEADER_CURL_VQUIC_TLS_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#include "bufq.h"
#if defined(ENABLE_QUIC) && \
(defined(USE_OPENSSL) || defined(USE_GNUTLS) || defined(USE_WOLFSSL))
struct quic_tls_ctx {
#ifdef USE_OPENSSL
SSL_CTX *ssl_ctx;
SSL *ssl;
#elif defined(USE_GNUTLS)
struct gtls_instance *gtls;
#elif defined(USE_WOLFSSL)
WOLFSSL_CTX *ssl_ctx;
WOLFSSL *ssl;
#endif
BIT(x509_store_setup); /* if x509 store has been set up */
};
/**
* Callback passed to `Curl_vquic_tls_init()` that can
* do early initializations on the not otherwise configured TLS
* instances created. This varies by TLS backend:
* - openssl/wolfssl: SSL_CTX* has just been created
* - gnutls: gtls_client_init() has run
*/
typedef CURLcode Curl_vquic_tls_ctx_setup(struct quic_tls_ctx *ctx,
struct Curl_cfilter *cf,
struct Curl_easy *data);
/**
* Initialize the QUIC TLS instances based of the SSL configurations
* for the connection filter, transfer and peer.
* @param ctx the TLS context to initialize
* @param cf the connection filter involved
* @param data the transfer involved
* @param peer the peer that will be connected to
* @param alpn the ALPN string in protocol format ((len+bytes+)+),
* may be NULL
* @param alpn_len the overall number of bytes in `alpn`
* @param ctx_setup optional callback for very early TLS config
* @param user_data optional pointer to set in TLS application context
*/
CURLcode Curl_vquic_tls_init(struct quic_tls_ctx *ctx,
struct Curl_cfilter *cf,
struct Curl_easy *data,
struct ssl_peer *peer,
const char *alpn, size_t alpn_len,
Curl_vquic_tls_ctx_setup *ctx_setup,
void *user_data);
/**
* Cleanup all data that has been initialized.
*/
void Curl_vquic_tls_cleanup(struct quic_tls_ctx *ctx);
CURLcode Curl_vquic_tls_before_recv(struct quic_tls_ctx *ctx,
struct Curl_cfilter *cf,
struct Curl_easy *data);
/**
* After the QUIC basic handshake has been, verify that the peer
* (and its certificate) fulfill our requirements.
*/
CURLcode Curl_vquic_tls_verify_peer(struct quic_tls_ctx *ctx,
struct Curl_cfilter *cf,
struct Curl_easy *data,
struct ssl_peer *peer);
#endif /* !ENABLE_QUIC && (USE_OPENSSL || USE_GNUTLS || USE_WOLFSSL) */
#endif /* HEADER_CURL_VQUIC_TLS_H */