86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2015 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "asio_server_tls_context.h"
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#include <openssl/ssl.h>
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#include <boost/asio/ssl.hpp>
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#include "ssl.h"
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#include "util.h"
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namespace nghttp2 {
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namespace asio_http2 {
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namespace server {
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namespace {
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std::vector<unsigned char> &get_alpn_token() {
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static auto alpn_token = util::get_default_alpn();
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return alpn_token;
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}
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} // namespace
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boost::system::error_code
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configure_tls_context_easy(boost::system::error_code &ec,
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boost::asio::ssl::context &tls_context) {
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ec.clear();
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auto ctx = tls_context.native_handle();
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SSL_CTX_set_options(ctx, SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 |
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SSL_OP_NO_COMPRESSION |
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SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION |
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SSL_OP_SINGLE_ECDH_USE | SSL_OP_NO_TICKET |
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SSL_OP_CIPHER_SERVER_PREFERENCE);
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SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
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SSL_CTX_set_mode(ctx, SSL_MODE_RELEASE_BUFFERS);
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SSL_CTX_set_cipher_list(ctx, ssl::DEFAULT_CIPHER_LIST);
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auto ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
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if (ecdh) {
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SSL_CTX_set_tmp_ecdh(ctx, ecdh);
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EC_KEY_free(ecdh);
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}
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SSL_CTX_set_next_protos_advertised_cb(
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ctx,
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[](SSL *s, const unsigned char **data, unsigned int *len, void *arg) {
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auto &token = get_alpn_token();
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*data = token.data();
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*len = token.size();
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return SSL_TLSEXT_ERR_OK;
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},
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nullptr);
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return ec;
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}
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} // namespace server
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} // namespace asio_http2
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} // namespace nghttp2
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