1 files changed, 74 insertions, 0 deletions
diff --git a/examples/tls_client_context_gnutls.cc b/examples/tls_client_context_gnutls.cc
new file mode 100644
index 0000000..1fa03a8
--- /dev/null
+++ b/examples/tls_client_context_gnutls.cc
@@ -0,0 +1,74 @@
+/*
+ * 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;
+}