new trunk (base for 1.5)

windows build only

Crypto/src/OpenSSLInitializer.cpp

@@ -0,0 +1,172 @@
+//
+// OpenSSLInitializer.cpp
+//
+// $Id: //poco/1.4/Crypto/src/OpenSSLInitializer.cpp#3 $
+//
+// Library: Crypto
+// Package: CryotpCore
+// Module:  OpenSSLInitializer
+//
+// Copyright (c) 2006-2009, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// 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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "Poco/Crypto/OpenSSLInitializer.h"
+#include "Poco/RandomStream.h"
+#include "Poco/Thread.h"
+#include <openssl/ssl.h>
+#include <openssl/rand.h>
+#include <openssl/crypto.h>
+#include <openssl/err.h>
+#if OPENSSL_VERSION_NUMBER >= 0x0907000L
+#include <openssl/conf.h>
+#endif
+
+
+using Poco::RandomInputStream;
+using Poco::Thread;
+
+
+namespace Poco {
+namespace Crypto {
+
+
+Poco::FastMutex* OpenSSLInitializer::_mutexes(0);
+Poco::FastMutex OpenSSLInitializer::_mutex;
+int OpenSSLInitializer::_rc(0);
+
+
+OpenSSLInitializer::OpenSSLInitializer()
+{
+	initialize();
+}
+
+
+OpenSSLInitializer::~OpenSSLInitializer()
+{
+	uninitialize();
+}
+
+
+void OpenSSLInitializer::initialize()
+{
+	Poco::FastMutex::ScopedLock lock(_mutex);
+	
+	if (++_rc == 1)
+	{
+#if OPENSSL_VERSION_NUMBER >= 0x0907000L
+		OPENSSL_config(NULL);
+#endif
+		SSL_library_init();
+		SSL_load_error_strings();
+		OpenSSL_add_all_algorithms();
+		
+		char seed[SEEDSIZE];
+		RandomInputStream rnd;
+		rnd.read(seed, sizeof(seed));
+		RAND_seed(seed, SEEDSIZE);
+		
+		int nMutexes = CRYPTO_num_locks();
+		_mutexes = new Poco::FastMutex[nMutexes];
+		CRYPTO_set_locking_callback(&OpenSSLInitializer::lock);
+#ifndef POCO_OS_FAMILY_WINDOWS // SF# 1828231: random unhandled exceptions when linking with ssl
+		CRYPTO_set_id_callback(&OpenSSLInitializer::id);
+#endif
+		CRYPTO_set_dynlock_create_callback(&OpenSSLInitializer::dynlockCreate);
+		CRYPTO_set_dynlock_lock_callback(&OpenSSLInitializer::dynlock);
+		CRYPTO_set_dynlock_destroy_callback(&OpenSSLInitializer::dynlockDestroy);
+	}
+}
+
+
+void OpenSSLInitializer::uninitialize()
+{
+	Poco::FastMutex::ScopedLock lock(_mutex);
+
+	if (--_rc == 0)
+	{
+		EVP_cleanup();
+		ERR_free_strings();
+		CRYPTO_set_locking_callback(0);
+		delete [] _mutexes;
+	}
+}
+
+
+void OpenSSLInitializer::lock(int mode, int n, const char* file, int line)
+{
+	if (mode & CRYPTO_LOCK)
+		_mutexes[n].lock();
+	else
+		_mutexes[n].unlock();
+}
+
+
+unsigned long OpenSSLInitializer::id()
+{
+	// Note: we use an old-style C cast here because
+	// neither static_cast<> nor reinterpret_cast<>
+	// work uniformly across all platforms.
+	return (unsigned long) Poco::Thread::currentTid();
+}
+
+
+struct CRYPTO_dynlock_value* OpenSSLInitializer::dynlockCreate(const char* file, int line)
+{
+	return new CRYPTO_dynlock_value;
+}
+
+
+void OpenSSLInitializer::dynlock(int mode, struct CRYPTO_dynlock_value* lock, const char* file, int line)
+{
+	poco_check_ptr (lock);
+
+	if (mode & CRYPTO_LOCK)
+		lock->_mutex.lock();
+	else
+		lock->_mutex.unlock();
+}
+
+
+void OpenSSLInitializer::dynlockDestroy(struct CRYPTO_dynlock_value* lock, const char* file, int line)
+{
+	delete lock;
+}
+
+
+void initializeCrypto()
+{
+	OpenSSLInitializer::initialize();
+}
+
+
+void uninitializeCrypto()
+{
+	OpenSSLInitializer::uninitialize();
+}
+
+
+} } // namespace Poco::Crypto