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/*
* ngtcp2
*
* Copyright (c) 2025 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_session_base_ossl.h"
#include <array>
#include "util.h"
#include "template.h"
using namespace ngtcp2;
using namespace std::literals;
TLSSessionBase::TLSSessionBase() {
ngtcp2_crypto_ossl_ctx_new(&ossl_ctx_, nullptr);
}
TLSSessionBase::~TLSSessionBase() {
auto ssl = ngtcp2_crypto_ossl_ctx_get_ssl(ossl_ctx_);
if (ssl) {
SSL_set_app_data(ssl, nullptr);
SSL_free(ssl);
}
ngtcp2_crypto_ossl_ctx_del(ossl_ctx_);
}
ngtcp2_crypto_ossl_ctx *TLSSessionBase::get_native_handle() const {
return ossl_ctx_;
}
std::string TLSSessionBase::get_cipher_name() const {
return SSL_get_cipher_name(ngtcp2_crypto_ossl_ctx_get_ssl(ossl_ctx_));
}
std::string_view TLSSessionBase::get_negotiated_group() const {
auto ssl = ngtcp2_crypto_ossl_ctx_get_ssl(ossl_ctx_);
auto name = SSL_get0_group_name(ssl);
if (!name) {
return ""sv;
}
return name;
}
std::string TLSSessionBase::get_selected_alpn() const {
auto ssl = ngtcp2_crypto_ossl_ctx_get_ssl(ossl_ctx_);
const unsigned char *alpn = nullptr;
unsigned int alpnlen;
SSL_get0_alpn_selected(ssl, &alpn, &alpnlen);
return std::string{alpn, alpn + alpnlen};
}
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