84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
/*
|
|
* nghttp2 - HTTP/2 C Library
|
|
*
|
|
* Copyright (c) 2014 Tatsuhiro Tsujikawa
|
|
*
|
|
* 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 "ssl.h"
|
|
|
|
#include <cassert>
|
|
#include <vector>
|
|
#include <mutex>
|
|
#include <iostream>
|
|
|
|
#include <openssl/crypto.h>
|
|
|
|
namespace nghttp2 {
|
|
|
|
namespace ssl {
|
|
|
|
// Recommended general purpose "Non-Backward Compatible" cipher by
|
|
// mozilla.
|
|
//
|
|
// https://wiki.mozilla.org/Security/Server_Side_TLS
|
|
const char *const DEFAULT_CIPHER_LIST =
|
|
"ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-"
|
|
"AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:"
|
|
"DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-"
|
|
"AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-"
|
|
"AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-"
|
|
"AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:"
|
|
"DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:"
|
|
"!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK";
|
|
|
|
namespace {
|
|
std::vector<std::mutex> ssl_global_locks;
|
|
} // namespace
|
|
|
|
namespace {
|
|
void ssl_locking_cb(int mode, int type, const char *file, int line) {
|
|
if (mode & CRYPTO_LOCK) {
|
|
ssl_global_locks[type].lock();
|
|
} else {
|
|
ssl_global_locks[type].unlock();
|
|
}
|
|
}
|
|
} // namespace
|
|
|
|
LibsslGlobalLock::LibsslGlobalLock() {
|
|
if (!ssl_global_locks.empty()) {
|
|
std::cerr << "OpenSSL global lock has been already set" << std::endl;
|
|
assert(0);
|
|
}
|
|
ssl_global_locks = std::vector<std::mutex>(CRYPTO_num_locks());
|
|
// CRYPTO_set_id_callback(ssl_thread_id); OpenSSL manual says that
|
|
// if threadid_func is not specified using
|
|
// CRYPTO_THREADID_set_callback(), then default implementation is
|
|
// used. We use this default one.
|
|
CRYPTO_set_locking_callback(ssl_locking_cb);
|
|
}
|
|
|
|
LibsslGlobalLock::~LibsslGlobalLock() { ssl_global_locks.clear(); }
|
|
|
|
} // namespace ssl
|
|
|
|
} // namespace nghttp2
|