85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/*
|
|
* nghttp2 - HTTP/2 C Library
|
|
*
|
|
* Copyright (c) 2012 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.
|
|
*/
|
|
#ifndef SSL_H
|
|
#define SSL_H
|
|
|
|
#include "nghttp2_config.h"
|
|
|
|
#include <cinttypes>
|
|
|
|
#include <openssl/ssl.h>
|
|
|
|
namespace nghttp2 {
|
|
|
|
namespace ssl {
|
|
|
|
// Acquire OpenSSL global lock to share SSL_CTX across multiple
|
|
// threads. The constructor acquires lock and destructor unlocks.
|
|
class LibsslGlobalLock {
|
|
public:
|
|
LibsslGlobalLock();
|
|
~LibsslGlobalLock();
|
|
LibsslGlobalLock(const LibsslGlobalLock &) = delete;
|
|
LibsslGlobalLock &operator=(const LibsslGlobalLock &) = delete;
|
|
};
|
|
|
|
extern const char *const DEFAULT_CIPHER_LIST;
|
|
|
|
const char *get_tls_protocol(SSL *ssl);
|
|
|
|
struct TLSSessionInfo {
|
|
const char *cipher;
|
|
const char *protocol;
|
|
const uint8_t *session_id;
|
|
bool session_reused;
|
|
size_t session_id_length;
|
|
};
|
|
|
|
TLSSessionInfo *get_tls_session_info(TLSSessionInfo *tls_info, SSL *ssl);
|
|
|
|
// Returns true iff the negotiated protocol is TLSv1.2.
|
|
bool check_http2_tls_version(SSL *ssl);
|
|
|
|
// Returns true iff the negotiated cipher suite is in HTTP/2 cipher
|
|
// black list.
|
|
bool check_http2_cipher_black_list(SSL *ssl);
|
|
|
|
// Returns true if SSL/TLS requirement for HTTP/2 is fulfilled.
|
|
// To fulfill the requirement, the following 2 terms must be hold:
|
|
//
|
|
// 1. The negotiated protocol must be TLSv1.2.
|
|
// 2. The negotiated cipher cuite is not listed in the black list
|
|
// described in RFC 7540.
|
|
bool check_http2_requirement(SSL *ssl);
|
|
|
|
// Initializes OpenSSL library
|
|
void libssl_init();
|
|
|
|
} // namespace ssl
|
|
|
|
} // namespace nghttp2
|
|
|
|
#endif // SSL_H
|