74 lines
2 KiB
C++
74 lines
2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <atomic>
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#include <cassert>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <vector>
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#include <openssl/ssl.h>
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#include <openssl/rand.h>
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#include <openssl/crypto.h>
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#include <openssl/err.h>
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#if OPENSSL_VERSION_NUMBER >= 0x0907000L
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#include <openssl/conf.h>
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#endif
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class SslContext
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{
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public:
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static void initialize(const std::string& certFilePath,
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const std::string& keyFilePath,
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const std::string& caFilePath,
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const std::string& cipherList = "")
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{
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assert (!Instance);
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Instance.reset(new SslContext(certFilePath, keyFilePath, caFilePath, cipherList));
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}
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static void uninitialize();
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static SSL* newSsl()
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{
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return SSL_new(Instance->_ctx);
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}
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~SslContext();
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private:
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SslContext(const std::string& certFilePath,
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const std::string& keyFilePath,
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const std::string& caFilePath,
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const std::string& cipherList);
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void initDH();
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void initECDH();
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void shutdown();
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std::string getLastErrorMsg();
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// Multithreading support for OpenSSL.
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// Not needed in recent (1.x?) versions.
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static void lock(int mode, int n, const char* file, int line);
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static unsigned long id();
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static struct CRYPTO_dynlock_value* dynlockCreate(const char* file, int line);
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static void dynlock(int mode, struct CRYPTO_dynlock_value* lock, const char* file, int line);
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static void dynlockDestroy(struct CRYPTO_dynlock_value* lock, const char* file, int line);
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private:
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static std::unique_ptr<SslContext> Instance;
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std::vector<std::unique_ptr<std::mutex>> _mutexes;
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SSL_CTX* _ctx;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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