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// **********************************************************************
//
// Copyright (c) 2001
// MutableRealms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
#ifdef WIN32
#pragma warning(disable:4786)
#endif
#include <Ice/SslFactory.h>
#include <Ice/SslSystemOpenSSL.h>
#include <Ice/Security.h>
#define OPENSSL_THREAD_DEFINES
#include <openssl/opensslconf.h>
#if defined(THREADS)
#else
#error "Thread support not enabled"
#endif
namespace IceSecurity
{
namespace Ssl
{
extern "C"
{
void lockingCallback(int, int, const char*, int);
}
// Static member instantiations.
JTCMutex Factory::_systemRepositoryMutex;
SystemMap Factory::_systemRepository;
SslHandleSystemMap Factory::_sslHandleSystemRepository;
class SslLockKeeper
{
public:
SslLockKeeper()
{
CRYPTO_set_locking_callback((void (*)(int, int, const char*, int))lockingCallback);
}
~SslLockKeeper()
{
CRYPTO_set_locking_callback(NULL);
}
JTCMutex sslLocks[CRYPTO_NUM_LOCKS];
};
SslLockKeeper lockKeeper;
}
}
void IceSecurity::Ssl::lockingCallback(int mode, int type, const char *file, int line)
{
if (mode & CRYPTO_LOCK)
{
lockKeeper.sslLocks[type].lock();
}
else
{
lockKeeper.sslLocks[type].unlock();
}
}
IceSecurity::Ssl::System*
IceSecurity::Ssl::Factory::getSystem(string& systemIdentifier)
{
JTCSyncT<JTCMutex> sync(_systemRepositoryMutex);
System* _system = _systemRepository[systemIdentifier];
// Don't have that System.
if (_system == 0)
{
// In our case, the systemIdentifier happens to be the
// SSL Configuration file.
// This line would change based on the flavor of System that we're
// creating for the caller.
_system = new OpenSSL::System(systemIdentifier);
if (_system != 0)
{
_systemRepository[systemIdentifier] = _system;
}
}
assert(_system);
_system->incRef();
return _system;
}
void
IceSecurity::Ssl::Factory::releaseSystem(System* system)
{
JTCSyncT<JTCMutex> sync(_systemRepositoryMutex);
assert(system);
// If the reference count is now at zero.
if (!system->decRef())
{
_systemRepository.erase(system->getSystemID());
delete system;
}
}
void
IceSecurity::Ssl::Factory::addSystemHandle(void* sslHandle, System* system)
{
assert(sslHandle);
assert(system);
_sslHandleSystemRepository[sslHandle] = system;
}
IceSecurity::Ssl::System*
IceSecurity::Ssl::Factory::getSystemFromHandle(void* sslHandle)
{
JTCSyncT<JTCMutex> sync(_systemRepositoryMutex);
assert(sslHandle);
System* _system = _sslHandleSystemRepository[sslHandle];
assert(_system);
_system->incRef();
return _system;
}
void
IceSecurity::Ssl::Factory::releaseSystemFromHandle(void* sslHandle, System* system)
{
JTCSyncT<JTCMutex> sync(_systemRepositoryMutex);
assert(sslHandle);
assert(system);
// If the reference count is now at zero.
if (!system->decRef())
{
_sslHandleSystemRepository.erase(sslHandle);
_systemRepository.erase(system->getSystemID());
delete system;
}
}
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