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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_server_context_gnutls.h"
#include <iostream>
#include "server_base.h"
#include "template.h"
// Based on https://github.com/ueno/ngtcp2-gnutls-examples
extern Config config;
namespace {
int anti_replay_db_add_func(void *dbf, time_t exp_time,
const gnutls_datum_t *key,
const gnutls_datum_t *data) {
return 0;
}
} // namespace
TLSServerContext::TLSServerContext() : cred_{nullptr}, session_ticket_key_{} {
gnutls_anti_replay_init(&anti_replay_);
gnutls_anti_replay_set_add_function(anti_replay_, anti_replay_db_add_func);
gnutls_anti_replay_set_ptr(anti_replay_, nullptr);
}
TLSServerContext::~TLSServerContext() {
gnutls_anti_replay_deinit(anti_replay_);
gnutls_free(session_ticket_key_.data);
gnutls_certificate_free_credentials(cred_);
}
gnutls_certificate_credentials_t
TLSServerContext::get_certificate_credentials() const {
return cred_;
}
const gnutls_datum_t *TLSServerContext::get_session_ticket_key() const {
return &session_ticket_key_;
}
gnutls_anti_replay_t TLSServerContext::get_anti_replay() const {
return anti_replay_;
}
int TLSServerContext::init(const char *private_key_file, const char *cert_file,
AppProtocol app_proto) {
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 (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;
}
if (auto rv = gnutls_session_ticket_key_generate(&session_ticket_key_);
rv != 0) {
std::cerr << "gnutls_session_ticket_key_generate failed: "
<< gnutls_strerror(rv) << std::endl;
return -1;
}
return 0;
}
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