123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596 |
- /*
- * Copyright 2017-present Facebook, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #include <folly/ssl/Init.h>
- #include <mutex>
- #include <folly/portability/OpenSSL.h>
- #include <folly/ssl/detail/OpenSSLThreading.h>
- #include <glog/logging.h>
- namespace folly {
- namespace ssl {
- namespace {
- bool initialized_ = false;
- std::mutex& initMutex() {
- static std::mutex m;
- return m;
- }
- void initializeOpenSSLLocked() {
- if (initialized_) {
- return;
- }
- OPENSSL_init_ssl(0, nullptr);
- randomize();
- initialized_ = true;
- }
- void cleanupOpenSSLLocked() {
- if (!initialized_) {
- return;
- }
- OPENSSL_cleanup();
- initialized_ = false;
- }
- } // namespace
- void init() {
- std::lock_guard<std::mutex> g(initMutex());
- initializeOpenSSLLocked();
- }
- void cleanup() {
- std::lock_guard<std::mutex> g(initMutex());
- cleanupOpenSSLLocked();
- }
- void markInitialized() {
- std::lock_guard<std::mutex> g(initMutex());
- initialized_ = true;
- }
- void setLockTypesAndInit(LockTypeMapping inLockTypes) {
- std::lock_guard<std::mutex> g(initMutex());
- CHECK(!initialized_) << "OpenSSL is already initialized";
- detail::setLockTypes(std::move(inLockTypes));
- initializeOpenSSLLocked();
- }
- void setLockTypes(LockTypeMapping inLockTypes) {
- std::lock_guard<std::mutex> g(initMutex());
- if (initialized_) {
- // We set the locks on initialization, so if we are already initialized
- // this would have no affect.
- LOG(INFO) << "Ignoring setSSLLockTypes after initialization";
- return;
- }
- detail::setLockTypes(std::move(inLockTypes));
- }
- void randomize() {
- RAND_poll();
- }
- bool isLockDisabled(int lockId) {
- return detail::isSSLLockDisabled(lockId);
- }
- } // namespace ssl
- } // namespace folly
|