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/***************************************************************************
* _ _ ____ _
* 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"
#if defined(USE_HTTP3) && \
(defined(USE_OPENSSL) || defined(USE_GNUTLS) || defined(USE_WOLFSSL))
#ifdef USE_OPENSSL
#include <openssl/err.h>
#include "../vtls/openssl.h"
#elif defined(USE_GNUTLS)
#include <gnutls/abstract.h>
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include <gnutls/crypto.h>
#include <nettle/sha2.h>
#include "../vtls/gtls.h"
#elif defined(USE_WOLFSSL)
#include <wolfssl/options.h>
#include <wolfssl/ssl.h>
#include <wolfssl/quic.h>
#include "../vtls/wolfssl.h"
#endif
#include "../urldata.h"
#include "../curl_trc.h"
#include "../cfilters.h"
#include "../multiif.h"
#include "../vtls/keylog.h"
#include "../vtls/vtls.h"
#include "../vtls/vtls_scache.h"
#include "vquic-tls.h"
/* The last 3 #include files should be in this order */
#include "../curl_printf.h"
#include "../curl_memory.h"
#include "../memdebug.h"
CURLcode Curl_vquic_tls_init(struct curl_tls_ctx *ctx,
struct Curl_cfilter *cf,
struct Curl_easy *data,
struct ssl_peer *peer,
const struct alpn_spec *alpns,
Curl_vquic_tls_ctx_setup *cb_setup,
void *cb_user_data, void *ssl_user_data,
Curl_vquic_session_reuse_cb *session_reuse_cb)
{
char tls_id[80];
CURLcode result;
#ifdef USE_OPENSSL
Curl_ossl_version(tls_id, sizeof(tls_id));
#elif defined(USE_GNUTLS)
Curl_gtls_version(tls_id, sizeof(tls_id));
#elif defined(USE_WOLFSSL)
Curl_wssl_version(tls_id, sizeof(tls_id));
#else
#error "no TLS lib in used, should not happen"
return CURLE_FAILED_INIT;
#endif
(void)session_reuse_cb;
result = Curl_ssl_peer_init(peer, cf, tls_id, TRNSPRT_QUIC);
if(result)
return result;
#ifdef USE_OPENSSL
(void)result;
return Curl_ossl_ctx_init(&ctx->ossl, cf, data, peer, alpns,
cb_setup, cb_user_data, NULL, ssl_user_data,
session_reuse_cb);
#elif defined(USE_GNUTLS)
return Curl_gtls_ctx_init(&ctx->gtls, cf, data, peer, alpns,
cb_setup, cb_user_data, ssl_user_data,
session_reuse_cb);
#elif defined(USE_WOLFSSL)
return Curl_wssl_ctx_init(&ctx->wssl, cf, data, peer, alpns,
cb_setup, cb_user_data,
ssl_user_data, session_reuse_cb);
#else
#error "no TLS lib in used, should not happen"
return CURLE_FAILED_INIT;
#endif
}
void Curl_vquic_tls_cleanup(struct curl_tls_ctx *ctx)
{
#ifdef USE_OPENSSL
if(ctx->ossl.ssl)
SSL_free(ctx->ossl.ssl);
if(ctx->ossl.ssl_ctx)
SSL_CTX_free(ctx->ossl.ssl_ctx);
#elif defined(USE_GNUTLS)
if(ctx->gtls.session)
gnutls_deinit(ctx->gtls.session);
Curl_gtls_shared_creds_free(&ctx->gtls.shared_creds);
#elif defined(USE_WOLFSSL)
if(ctx->wssl.ssl)
wolfSSL_free(ctx->wssl.ssl);
if(ctx->wssl.ssl_ctx)
wolfSSL_CTX_free(ctx->wssl.ssl_ctx);
#endif
memset(ctx, 0, sizeof(*ctx));
}
CURLcode Curl_vquic_tls_before_recv(struct curl_tls_ctx *ctx,
struct Curl_cfilter *cf,
struct Curl_easy *data)
{
#ifdef USE_OPENSSL
if(!ctx->ossl.x509_store_setup) {
CURLcode result = Curl_ssl_setup_x509_store(cf, data, ctx->ossl.ssl_ctx);
if(result)
return result;
ctx->ossl.x509_store_setup = TRUE;
}
#elif defined(USE_WOLFSSL)
if(!ctx->wssl.x509_store_setup) {
CURLcode result = Curl_wssl_setup_x509_store(cf, data, &ctx->wssl);
if(result)
return result;
}
#elif defined(USE_GNUTLS)
if(!ctx->gtls.shared_creds->trust_setup) {
CURLcode result = Curl_gtls_client_trust_setup(cf, data, &ctx->gtls);
if(result)
return result;
}
#else
(void)ctx; (void)cf; (void)data;
#endif
return CURLE_OK;
}
CURLcode Curl_vquic_tls_verify_peer(struct curl_tls_ctx *ctx,
struct Curl_cfilter *cf,
struct Curl_easy *data,
struct ssl_peer *peer)
{
struct ssl_primary_config *conn_config;
CURLcode result = CURLE_OK;
conn_config = Curl_ssl_cf_get_primary_config(cf);
if(!conn_config)
return CURLE_FAILED_INIT;
#ifdef USE_OPENSSL
(void)conn_config;
result = Curl_ossl_check_peer_cert(cf, data, &ctx->ossl, peer);
#elif defined(USE_GNUTLS)
if(conn_config->verifyhost) {
result = Curl_gtls_verifyserver(data, ctx->gtls.session,
conn_config, &data->set.ssl, peer,
data->set.str[STRING_SSL_PINNEDPUBLICKEY]);
if(result)
return result;
}
#elif defined(USE_WOLFSSL)
(void)data;
if(conn_config->verifyhost) {
char *snihost = peer->sni ? peer->sni : peer->hostname;
WOLFSSL_X509* cert = wolfSSL_get_peer_certificate(ctx->wssl.ssl);
if(wolfSSL_X509_check_host(cert, snihost, strlen(snihost), 0, NULL)
== WOLFSSL_FAILURE) {
result = CURLE_PEER_FAILED_VERIFICATION;
}
wolfSSL_X509_free(cert);
}
if(!result)
result = Curl_wssl_verify_pinned(cf, data, &ctx->wssl);
#endif
/* on error, remove any session we might have in the pool */
if(result)
Curl_ssl_scache_remove_all(cf, data, peer->scache_key);
return result;
}
bool Curl_vquic_tls_get_ssl_info(struct curl_tls_ctx *ctx,
bool give_ssl_ctx,
struct curl_tlssessioninfo *info)
{
#ifdef USE_OPENSSL
info->backend = CURLSSLBACKEND_OPENSSL;
info->internals = give_ssl_ctx ?
(void *)ctx->ossl.ssl_ctx : (void *)ctx->ossl.ssl;
return TRUE;
#elif defined(USE_GNUTLS)
(void)give_ssl_ctx; /* gnutls always returns its session */
info->backend = CURLSSLBACKEND_GNUTLS;
info->internals = ctx->gtls.session;
return TRUE;
#elif defined(USE_WOLFSSL)
info->backend = CURLSSLBACKEND_WOLFSSL;
info->internals = give_ssl_ctx ?
(void *)ctx->wssl.ssl_ctx : (void *)ctx->wssl.ssl;
return TRUE;
#else
return FALSE;
#endif
}
void Curl_vquic_report_handshake(struct curl_tls_ctx *ctx,
struct Curl_cfilter *cf,
struct Curl_easy *data)
{
(void)cf;
#ifdef USE_OPENSSL
(void)cf;
Curl_ossl_report_handshake(data, &ctx->ossl);
#elif defined(USE_GNUTLS)
Curl_gtls_report_handshake(data, &ctx->gtls);
#elif defined(USE_WOLFSSL)
Curl_wssl_report_handshake(data, &ctx->wssl);
#else
(void)data;
(void)ctx;
#endif
}
#endif /* !USE_HTTP3 && (USE_OPENSSL || USE_GNUTLS || USE_WOLFSSL) */
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