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/* ****************************************************************************
* eID Middleware Project.
* Copyright (C) 2008-2009 FedICT.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version
* 3.0 as published by the Free Software Foundation.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, see
* http://www.gnu.org/licenses/.
**************************************************************************** */
#include "ProviderContext.h"
#include "csputil.h"
using namespace eIDMW;
CProviderContext::CProviderContext(HCRYPTPROV hProv, LPCSTR szContainer,
DWORD dwFlags, PVTableProvStruc pVTable)
{
m_hProv = hProv;
m_szContainer = szContainer == NULL ? "" : szContainer;
m_dwFlags = dwFlags;
m_csSerialNr = szContainer == NULL ? "" : ExtractSerialNr(szContainer);
m_HashCounter = 0;
m_poReader = NULL;
}
CProviderContext::~CProviderContext()
{
CAutoMutex oAutoMutex(&m_oHashMutex);
while (m_hashPool.size() > 0)
{
tHashPool::iterator it = m_hashPool.begin();
delete it->second;
m_hashPool.erase(it);
}
}
std::string CProviderContext::GetContainerName()
{
return m_szContainer;
}
std::string CProviderContext::GetSerialNr()
{
return m_csSerialNr;
}
HCRYPTHASH CProviderContext::AddHash(ALG_ID Algid)
{
tHashAlgo algo = GetHashAlgo(Algid);
CAutoMutex oAutoMutex(&m_oHashMutex);
HCRYPTHASH hHash = ++m_HashCounter;
CProviderHash *poProvHash = new CProviderHash(Algid, algo);
if (poProvHash == NULL)
throw CMWEXCEPTION(EIDMW_ERR_MEMORY);
m_hashPool[hHash] = poProvHash;
return hHash;
}
HCRYPTHASH CProviderContext::DuplicateHash(HCRYPTHASH hOldHash)
{
CProviderHash *poOldHash = GetHash(hOldHash);
CAutoMutex oAutoMutex(&m_oHashMutex);
HCRYPTHASH hNewHash = ++m_HashCounter;
CProviderHash * poNewHash = new CProviderHash(*poOldHash);
if (poNewHash == NULL)
throw CMWEXCEPTION(EIDMW_ERR_MEMORY);
m_hashPool[hNewHash] = poNewHash;
return hNewHash;
}
CProviderHash * CProviderContext::GetHash(HCRYPTHASH hHash, bool bThrowException)
{
CProviderHash *poProvHash = NULL;
CAutoMutex oAutoMutex(&m_oHashMutex);
tHashPool::iterator it = m_hashPool.begin();
for( ; it != m_hashPool.end(); it++)
{
if (it->first == hHash)
poProvHash = it->second;
}
if (poProvHash == NULL && bThrowException)
throw CMWEXCEPTION(EIDMW_ERR_PARAM_BAD);
return poProvHash;
}
BOOL CProviderContext::DeleteHash(HCRYPTHASH hHash)
{
bool bRet = FALSE;
CAutoMutex oAutoMutex(&m_oHashMutex);
tHashPool::iterator it = m_hashPool.begin();
for( ; it != m_hashPool.end(); it++)
{
if (it->first == hHash)
{
delete it->second;
m_hashPool.erase(it);
bRet = TRUE;
break;
}
}
return bRet;
}
/**
* Old container name format:
* Signature(534C494E336600296CFF2623660B0826)
* Authentication(534C494E336600296CFF2491AA090425)
* New container name format:
* 534C494E336600296CFF2623660B0826_2
* 534C494E336600296CFF2491AA090425_3
* => the number after the _ is the key/cert ID
*/
std::string CProviderContext::ExtractSerialNr(LPCSTR szContainer)
{
char csSerial[129];
csSerial[0] = '\0';
const char *csStart = strstr(szContainer, "(");
if (csStart != NULL)
{
csStart++;
const char *csEnd = strstr(csStart, ")");
if (csEnd != NULL)
{
size_t len = csEnd - csStart;
if (len < sizeof(csSerial) - 1)
{
memcpy(csSerial, csStart, len);
csSerial[len] = '\0';
}
}
}
else
{
csStart = szContainer;
while (*csStart != '\0' && (*csStart > '9' || *csStart < '0'))
csStart++;
const char *csEnd = strstr(csStart, "_");
if (csEnd != NULL)
{
size_t len = csEnd - csStart;
if (len < sizeof(csSerial) - 1)
{
memcpy(csSerial, csStart, len);
csSerial[len] = '\0';
}
}
}
return csSerial;
}
CBaseProvider & CProviderContext::GetBaseProvider()
{
return m_BaseProvider;
}
CReader *CProviderContext::GetReader()
{
return m_poReader;
}
void CProviderContext:: SetReader(CReader *poReader)
{
m_poReader = poReader;
}
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