CK_RV GetTheReaderCount(int* nrofCardReaders, int cardsInserted) {
CK_RV retval = CKR_OK; //return value of last pkcs11 function called
CK_FUNCTION_LIST_PTR functions=NULL; // list of the pkcs11 function pointers
CK_ULONG slot_count = 0;
CK_BBOOL tokenPresent = CK_FALSE;
int err = GetLastError();
printf("err = %d\n",err);
SetLastError(0);
retval=loadpkcs11(&functions);
if( retval != CKR_OK )
return retval;
if( (retval=(functions->C_Initialize) (NULL)) == CKR_OK)
{
if(cardsInserted > 0)
{
tokenPresent = CK_TRUE;
}
retval = (functions->C_GetSlotList) (tokenPresent, 0, &slot_count);
*nrofCardReaders = slot_count;
(functions->C_Finalize) (NULL_PTR);
}
unloadpkcs11();
return retval;
}
CK_RV ReadTheCardData(void) {
CK_RV retval = CKR_OK; //return value of last pkcs11 function called
CK_FUNCTION_LIST_PTR functions=NULL; // list of the pkcs11 function pointers
CK_SESSION_HANDLE session_handle;
CK_ULONG slot_count;
CK_SLOT_ID_PTR slotIds;
CK_ULONG slotIdx;
int err = GetLastError();
printf("err = %d\n",err);
SetLastError(0);
retval=loadpkcs11(&functions);
if( retval != CKR_OK )
return retval;
if( (retval=(functions->C_Initialize) (NULL)) == CKR_OK)
{
if( (retval=(functions->C_GetSlotList) (CK_TRUE, 0, &slot_count)) == CKR_OK)
{
if(slot_count == 0)
{
retval = CKR_TOKEN_NOT_PRESENT; //no card found -> log this
}
slotIds = (CK_SLOT_ID_PTR)malloc(slot_count * sizeof(CK_SLOT_INFO));
if(slotIds != NULL)
{
if( (retval = (functions->C_GetSlotList) (CK_TRUE, slotIds, &slot_count)) == CKR_OK)
{
if(slot_count == 0)
{
//no card found -> log this
retval = CKR_TOKEN_NOT_PRESENT;
}
for (slotIdx = 0; slotIdx < slot_count; slotIdx++)
{
retval = (functions->C_OpenSession)(slotIds[slotIdx], CKF_SERIAL_SESSION, NULL_PTR, NULL_PTR, &session_handle);
if(retval == CKR_OK)
{
if ((retval = FindAndStore(functions, session_handle, "firstnames",&g_firstNames)) == CKR_OK)
if ((retval = FindAndStore(functions, session_handle, "first_letter_of_third_given_name",&g_firstLetterThirdName)) == CKR_OK)
if ((retval = FindAndStore(functions, session_handle, "surname",&g_surName)) == CKR_OK)
if ((retval = FindAndStore(functions, session_handle, "address_street_and_number",&g_address_Street_Number)) == CKR_OK)
if ((retval = FindAndStore(functions, session_handle, "address_zip",&g_address_Zip)) == CKR_OK)
if ((retval = FindAndStore(functions, session_handle, "address_municipality",&g_address_Municipality)) == CKR_OK)
(functions->C_CloseSession) (session_handle);
}
}
}
free(slotIds);
}
else
{
retval = CKR_HOST_MEMORY;
}
}
(functions->C_Finalize) (NULL_PTR);
}
unloadpkcs11();
return retval;
}
