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#ifndef HEADER_CURL_SSLUSE_H
#define HEADER_CURL_SSLUSE_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"
#ifdef USE_OPENSSL
/*
* This header should only be needed to get included by vtls.c, openssl.c
* and ngtcp2.c
*/
#include <openssl/opensslv.h>
#include <openssl/ossl_typ.h>
#include <openssl/ssl.h>
#include "urldata.h"
/*
* Whether SSL_CTX_set_keylog_callback is available.
* OpenSSL: supported since 1.1.1 https://github.com/openssl/openssl/pull/2287
* BoringSSL: supported since d28f59c27bac (committed 2015-11-19)
* LibreSSL: not supported. 3.5.0+ has a stub function that does nothing.
*/
#if (OPENSSL_VERSION_NUMBER >= 0x10101000L && \
!defined(LIBRESSL_VERSION_NUMBER)) || \
defined(OPENSSL_IS_BORINGSSL)
#define HAVE_KEYLOG_CALLBACK
#endif
struct ssl_peer;
/* Struct to hold a curl OpenSSL instance */
struct ossl_ctx {
/* these ones requires specific SSL-types */
SSL_CTX* ssl_ctx;
SSL* ssl;
X509* server_cert;
BIO_METHOD *bio_method;
CURLcode io_result; /* result of last BIO cfilter operation */
#ifndef HAVE_KEYLOG_CALLBACK
/* Set to true once a valid keylog entry has been created to avoid dupes.
This is a bool and not a bitfield because it is passed by address. */
bool keylog_done;
#endif
BIT(x509_store_setup); /* x509 store has been set up */
BIT(reused_session); /* session-ID was reused for this */
};
size_t Curl_ossl_version(char *buffer, size_t size);
typedef CURLcode Curl_ossl_ctx_setup_cb(struct Curl_cfilter *cf,
struct Curl_easy *data,
void *user_data);
typedef int Curl_ossl_new_session_cb(SSL *ssl, SSL_SESSION *ssl_sessionid);
CURLcode Curl_ossl_ctx_init(struct ossl_ctx *octx,
struct Curl_cfilter *cf,
struct Curl_easy *data,
struct ssl_peer *peer,
const unsigned char *alpn, size_t alpn_len,
Curl_ossl_ctx_setup_cb *cb_setup,
void *cb_user_data,
Curl_ossl_new_session_cb *cb_new_session,
void *ssl_user_data);
#if (OPENSSL_VERSION_NUMBER < 0x30000000L)
#define SSL_get1_peer_certificate SSL_get_peer_certificate
#endif
extern const struct Curl_ssl Curl_ssl_openssl;
/**
* Setup the OpenSSL X509_STORE in `ssl_ctx` for the cfilter `cf` and
* easy handle `data`. Will allow reuse of a shared cache if suitable
* and configured.
*/
CURLcode Curl_ssl_setup_x509_store(struct Curl_cfilter *cf,
struct Curl_easy *data,
SSL_CTX *ssl_ctx);
CURLcode Curl_ossl_ctx_configure(struct Curl_cfilter *cf,
struct Curl_easy *data,
SSL_CTX *ssl_ctx);
/*
* Add a new session to the cache. Takes ownership of the session.
*/
CURLcode Curl_ossl_add_session(struct Curl_cfilter *cf,
struct Curl_easy *data,
const char *ssl_peer_key,
SSL_SESSION *ssl_sessionid,
int ietf_tls_id,
const char *alpn);
/*
* Get the server cert, verify it and show it, etc., only call failf() if
* ssl config verifypeer or -host is set. Otherwise all this is for
* informational purposes only!
*/
CURLcode Curl_oss_check_peer_cert(struct Curl_cfilter *cf,
struct Curl_easy *data,
struct ossl_ctx *octx,
struct ssl_peer *peer);
#endif /* USE_OPENSSL */
#endif /* HEADER_CURL_SSLUSE_H */
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