Files
poco/NetSSL_OpenSSL/src/SSLInitializer.cpp
2008-01-28 17:37:36 +00:00

149 lines
3.8 KiB
C++

//
// SSLInitializer.cpp
//
// $Id: //poco/svn/NetSSL_OpenSSL/src/SSLInitializer.cpp#1 $
//
// Library: NetSSL_OpenSSL
// Package: SSLCore
// Module: SSLInitializer
//
// Copyright (c) 2006, 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/Net/SSLInitializer.h"
#include "Poco/Net/KeyConsoleHandler.h"
#include "Poco/Net/KeyFileHandler.h"
#include "Poco/RandomStream.h"
#include "Poco/Thread.h"
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <openssl/crypto.h>
using Poco::RandomInputStream;
using Poco::Thread;
using Poco::FastMutex;
namespace Poco {
namespace Net {
FastMutex* SSLInitializer::_mutexes(0);
int SSLInitializer::_rc(0);
static SSLInitializer initializer;
SSLInitializer::SSLInitializer()
{
initialize();
}
SSLInitializer::~SSLInitializer()
{
uninitialize();
}
void SSLInitializer::initialize()
{
if (++_rc == 1)
{
poco_assert (1 == SSL_library_init()); // always returns 1
SSL_load_error_strings();
char seed[SEEDSIZE];
RandomInputStream rnd;
rnd.read(seed, sizeof(seed));
RAND_seed(seed, SEEDSIZE);
int nMutexes = CRYPTO_num_locks();
_mutexes = new FastMutex[nMutexes];
CRYPTO_set_locking_callback(&SSLInitializer::lock);
#ifndef POCO_OS_FAMILY_WINDOWS // SF# 1828231: random unhandled exceptions when linking with ssl
CRYPTO_set_id_callback(&SSLInitializer::id);
#endif
CRYPTO_set_dynlock_create_callback(&SSLInitializer::dynlockCreate);
CRYPTO_set_dynlock_lock_callback(&SSLInitializer::dynlock);
CRYPTO_set_dynlock_destroy_callback(&SSLInitializer::dynlockDestroy);
}
}
void SSLInitializer::uninitialize()
{
if (--_rc == 0)
{
delete [] _mutexes;
}
}
void SSLInitializer::lock(int mode, int n, const char* file, int line)
{
if (mode & CRYPTO_LOCK)
_mutexes[n].lock();
else
_mutexes[n].unlock();
}
unsigned long SSLInitializer::id()
{
Thread* pThread = Thread::current();
return pThread ? pThread->id() : 0;
}
struct CRYPTO_dynlock_value* SSLInitializer::dynlockCreate(const char* file, int line)
{
return new CRYPTO_dynlock_value;
}
void SSLInitializer::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 SSLInitializer::dynlockDestroy(struct CRYPTO_dynlock_value* lock, const char* file, int line)
{
delete lock;
}
} } // namespace Poco::Net