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/*
* Copyright (c) 2010 SURFnet bv
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*****************************************************************************
SessionObjectStore.cpp
The token class; a token is stored in a directory containing several files.
Each object is stored in a separate file and a token object is present that
has the token specific attributes
*****************************************************************************/
#include "config.h"
#include "log.h"
#include "OSAttributes.h"
#include "OSAttribute.h"
#include "SessionObject.h"
#include "cryptoki.h"
#include "SessionObjectStore.h"
#include <vector>
#include <string>
#include <set>
#include <map>
#include <list>
// Constructor
SessionObjectStore::SessionObjectStore()
{
storeMutex = MutexFactory::i()->getMutex();
}
// Destructor
SessionObjectStore::~SessionObjectStore()
{
// Clean up
objects.clear();
std::set<SessionObject*> cleanUp = allObjects;
allObjects.clear();
for (std::set<SessionObject*>::iterator i = cleanUp.begin(); i != cleanUp.end(); i++)
{
if ((*i) == NULL) continue;
SessionObject* that = *i;
delete that;
}
MutexFactory::i()->recycleMutex(storeMutex);
}
// Retrieve objects
std::set<SessionObject*> SessionObjectStore::getObjects()
{
// Make sure that no other thread is in the process of changing
// the object list when we return it
MutexLocker lock(storeMutex);
return objects;
}
void SessionObjectStore::getObjects(CK_SLOT_ID slotID, std::set<OSObject*> &inObjects)
{
// Make sure that no other thread is in the process of changing
// the object list when we return it
MutexLocker lock(storeMutex);
std::set<SessionObject*>::iterator it;
for (it=objects.begin(); it!=objects.end(); ++it) {
if ((*it)->hasSlotID(slotID))
inObjects.insert(*it);
}
}
// Create a new object
SessionObject* SessionObjectStore::createObject(CK_SLOT_ID slotID, CK_SESSION_HANDLE hSession, bool isPrivate)
{
// Create the new object file
SessionObject* newObject = new SessionObject(this, slotID, hSession, isPrivate);
if (!newObject->isValid())
{
ERROR_MSG("Failed to create new object");
delete newObject;
return NULL;
}
// Now add it to the set of objects
MutexLocker lock(storeMutex);
objects.insert(newObject);
allObjects.insert(newObject);
DEBUG_MSG("(0x%08X) Created new object (0x%08X)", this, newObject);
return newObject;
}
// Delete an object
bool SessionObjectStore::deleteObject(SessionObject* object)
{
if (objects.find(object) == objects.end())
{
ERROR_MSG("Cannot delete non-existent object 0x%08X", object);
return false;
}
MutexLocker lock(storeMutex);
// Invalidate the object instance
object->invalidate();
objects.erase(object);
return true;
}
// Indicate that a session has been closed; invalidates all objects
// associated with this session
void SessionObjectStore::sessionClosed(CK_SESSION_HANDLE hSession)
{
MutexLocker lock(storeMutex);
std::set<SessionObject*> checkObjects = objects;
for (std::set<SessionObject*>::iterator i = checkObjects.begin(); i != checkObjects.end(); i++)
{
if ((*i)->removeOnSessionClose(hSession))
{
// Since the object remains in the allObjects set, any pointers to it will
// remain valid but it will no longer be returned when the set of objects
// is requested
objects.erase(*i);
}
}
}
void SessionObjectStore::allSessionsClosed(CK_SLOT_ID slotID)
{
MutexLocker lock(storeMutex);
std::set<SessionObject*> checkObjects = objects;
for (std::set<SessionObject*>::iterator i = checkObjects.begin(); i != checkObjects.end(); i++)
{
if ((*i)->removeOnAllSessionsClose(slotID))
{
// Since the object remains in the allObjects set, any pointers to it will
// remain valid but it will no longer be returned when the set of objects
// is requested
objects.erase(*i);
}
}
}
void SessionObjectStore::tokenLoggedOut(CK_SLOT_ID slotID)
{
MutexLocker lock(storeMutex);
std::set<SessionObject*> checkObjects = objects;
for (std::set<SessionObject*>::iterator i = checkObjects.begin(); i != checkObjects.end(); i++)
{
if ((*i)->removeOnTokenLogout(slotID))
{
// Since the object remains in the allObjects set, any pointers to it will
// remain valid but it will no longer be returned when the set of objects
// is requested
objects.erase(*i);
}
}
}
// Clear the whole store
void SessionObjectStore::clearStore()
{
MutexLocker lock(storeMutex);
objects.clear();
std::set<SessionObject*> clearObjects = allObjects;
allObjects.clear();
for (std::set<SessionObject*>::iterator i = clearObjects.begin(); i != clearObjects.end(); i++)
{
delete *i;
}
}
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