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// **********************************************************************
//
// Copyright (c) 2001
// MutableRealms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
// Note: This pragma is used to disable spurious warning messages having
// to do with the length of debug symbols exceeding 255 characters.
// This is due to STL template identifiers expansion.
// The MSDN Library recommends that you put this pragma directive
// in place to avoid the warnings.
#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
{
// Static member instantiations.
IceUtil::Mutex Factory::_systemRepositoryMutex;
SystemMap Factory::_systemRepository;
SslHandleSystemMap Factory::_sslHandleSystemRepository;
int Factory::_evict = 0;
extern "C"
{
void lockingCallback(int, int, const char*, int);
}
class SslLockKeeper
{
public:
SslLockKeeper()
{
CRYPTO_set_locking_callback((void (*)(int, int, const char*, int))lockingCallback);
}
~SslLockKeeper()
{
CRYPTO_set_locking_callback(NULL);
}
IceUtil::Mutex 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::SystemPtr
IceSecurity::Ssl::Factory::getSystem(const string& systemIdentifier)
{
IceUtil::Mutex::Lock sync(_systemRepositoryMutex);
SystemPtr system = _systemRepository[systemIdentifier];
// Don't have that System.
if (!system)
{
// 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();
if (system)
{
_systemRepository[systemIdentifier] = system;
}
}
assert(system);
reapSystems();
return system;
}
void
IceSecurity::Ssl::Factory::addSystemHandle(void* sslHandle, const SystemPtr& system)
{
assert(system);
assert(sslHandle);
_sslHandleSystemRepository[sslHandle] = system;
}
void
IceSecurity::Ssl::Factory::removeSystemHandle(void* sslHandle)
{
assert(sslHandle);
_sslHandleSystemRepository.erase(sslHandle);
}
IceSecurity::Ssl::SystemPtr
IceSecurity::Ssl::Factory::getSystemFromHandle(void* sslHandle)
{
IceUtil::Mutex::Lock sync(_systemRepositoryMutex);
assert(sslHandle);
SystemPtr& system = _sslHandleSystemRepository[sslHandle];
assert(system);
reapSystems();
return system;
}
void
IceSecurity::Ssl::Factory::reapSystems()
{
if (++_evict >= 10)
{
// Note: Double Eviction! We keep two maps, one keyed on the config file
// name that the System is based on (_systemRepository), the other
// keyed on a SSL* that was generated by the system in question
// (_sslHandleSystemRepository).
_evict = 0;
SystemMap::iterator p = _systemRepository.begin();
while (p != _systemRepository.end())
{
// Check the reference count on each System
if ((*p).second->__getRef() == 1)
{
// If the Factory System Repository is the only one with a ref to it, erase
_systemRepository.erase(p++);
}
else
{
++p;
}
}
/*
SslHandleSystemMap::iterator r = _sslHandleSystemRepository.begin();
while (r != _sslHandleSystemRepository.end())
{
// Check the reference count on each System
if ((*r).second->__getRef() == 1)
{
// If the SSL Handle System Repository is the only one with a ref to it, erase
_sslHandleSystemRepository.erase(r++);
}
else
{
++r;
}
}
*/
}
}
void
IceSecurity::Ssl::setSystemCertificateVerifier(const string& systemIdentifier,
CertificateVerifierType verifierType,
const CertificateVerifierPtr& certificateVerifier)
{
SystemPtr sslSystem = Factory::getSystem(systemIdentifier);
if ((verifierType == Client) || (verifierType == ClientServer))
{
sslSystem->setClientCertificateVerifier(certificateVerifier);
}
if ((verifierType == Server) || (verifierType == ClientServer))
{
sslSystem->setServerCertificateVerifier(certificateVerifier);
}
}
|
