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-rw-r--r--examples/tls_client_context_gnutls.cc74
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diff --git a/examples/tls_client_context_gnutls.cc b/examples/tls_client_context_gnutls.cc
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+/*
+ * ngtcp2
+ *
+ * Copyright (c) 2020 ngtcp2 contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "tls_client_context_gnutls.h"
+
+#include <iostream>
+
+#include <ngtcp2/ngtcp2_crypto_gnutls.h>
+
+#include "client_base.h"
+#include "template.h"
+
+// Based on https://github.com/ueno/ngtcp2-gnutls-examples
+
+extern Config config;
+
+TLSClientContext::TLSClientContext() : cred_{nullptr} {}
+
+TLSClientContext::~TLSClientContext() {
+ gnutls_certificate_free_credentials(cred_);
+}
+
+gnutls_certificate_credentials_t TLSClientContext::get_native_handle() const {
+ return cred_;
+}
+
+int TLSClientContext::init(const char *private_key_file,
+ const char *cert_file) {
+
+ if (auto rv = gnutls_certificate_allocate_credentials(&cred_); rv != 0) {
+ std::cerr << "gnutls_certificate_allocate_credentials failed: "
+ << gnutls_strerror(rv) << std::endl;
+ return -1;
+ }
+
+ if (auto rv = gnutls_certificate_set_x509_system_trust(cred_); rv < 0) {
+ std::cerr << "gnutls_certificate_set_x509_system_trust failed: "
+ << gnutls_strerror(rv) << std::endl;
+ return -1;
+ }
+
+ if (private_key_file != nullptr && cert_file != nullptr) {
+ if (auto rv = gnutls_certificate_set_x509_key_file(
+ cred_, cert_file, private_key_file, GNUTLS_X509_FMT_PEM);
+ rv != 0) {
+ std::cerr << "gnutls_certificate_set_x509_key_file failed: "
+ << gnutls_strerror(rv) << std::endl;
+ return -1;
+ }
+ }
+
+ return 0;
+}