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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/rtc_base/openssl_session_cache.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/rtc_base/openssl_session_cache.h')
-rw-r--r-- | third_party/libwebrtc/rtc_base/openssl_session_cache.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/openssl_session_cache.h b/third_party/libwebrtc/rtc_base/openssl_session_cache.h new file mode 100644 index 0000000000..75d8d9a0cf --- /dev/null +++ b/third_party/libwebrtc/rtc_base/openssl_session_cache.h @@ -0,0 +1,72 @@ +/* + * Copyright 2018 The WebRTC Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef RTC_BASE_OPENSSL_SESSION_CACHE_H_ +#define RTC_BASE_OPENSSL_SESSION_CACHE_H_ + +#include <openssl/ossl_typ.h> + +#include <map> +#include <string> + +#include "absl/strings/string_view.h" +#include "rtc_base/ssl_stream_adapter.h" +#include "rtc_base/string_utils.h" + +#ifndef OPENSSL_IS_BORINGSSL +typedef struct ssl_session_st SSL_SESSION; +#endif + +namespace rtc { + +// The OpenSSLSessionCache maps hostnames to SSL_SESSIONS. This cache is +// owned by the OpenSSLAdapterFactory and is passed down to each OpenSSLAdapter +// created with the factory. +class OpenSSLSessionCache final { + public: + // Creates a new OpenSSLSessionCache using the provided the SSL_CTX and + // the ssl_mode. The SSL_CTX will be up_refed. ssl_ctx cannot be nullptr, + // the constructor immediately dchecks this. + OpenSSLSessionCache(SSLMode ssl_mode, SSL_CTX* ssl_ctx); + // Frees the cached SSL_SESSIONS and then frees the SSL_CTX. + ~OpenSSLSessionCache(); + + OpenSSLSessionCache(const OpenSSLSessionCache&) = delete; + OpenSSLSessionCache& operator=(const OpenSSLSessionCache&) = delete; + + // Looks up a session by hostname. The returned SSL_SESSION is not up_refed. + SSL_SESSION* LookupSession(absl::string_view hostname) const; + // Adds a session to the cache, and up_refs it. Any existing session with the + // same hostname is replaced. + void AddSession(absl::string_view hostname, SSL_SESSION* session); + // Returns the true underlying SSL Context that holds these cached sessions. + SSL_CTX* GetSSLContext() const; + // The SSL Mode tht the OpenSSLSessionCache was constructed with. This cannot + // be changed after launch. + SSLMode GetSSLMode() const; + + private: + // Holds the SSL Mode that the OpenSSLCache was initialized with. This is + // immutable after creation and cannot change. + const SSLMode ssl_mode_; + /// SSL Context for all shared cached sessions. This SSL_CTX is initialized + // with SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT); Meaning + // all client sessions will be added to the cache internal to the context. + SSL_CTX* ssl_ctx_ = nullptr; + // Map of hostnames to SSL_SESSIONs; holds references to the SSL_SESSIONs, + // which are cleaned up when the factory is destroyed. + // TODO(juberti): Add LRU eviction to keep the cache from growing forever. + std::map<std::string, SSL_SESSION*, rtc::AbslStringViewCmp> sessions_; + // The cache should never be copied or assigned directly. +}; + +} // namespace rtc + +#endif // RTC_BASE_OPENSSL_SESSION_CACHE_H_ |