CardProperty::CardProperty(const char* propertyName) :
isPresent(false),
propertyLabel(propertyName)
{
char* pValue = NULL;
CK_ULONG valueLength = 0;
CardReader* reader = CardReader::GetInstance();
if (!reader) return;
int retVal = Beidsdk_GetObjectValue(reader->GetReaderFunctions(), reader->GetSessionHandle(), (CK_CHAR_PTR)propertyName, (CK_VOID_PTR*)&pValue, &valueLength);
if (retVal == CKR_OK)
{
data.resize(valueLength);
char* pDataDest = (char*)data.data();
memcpy(pDataDest, pValue, valueLength);
isPresent = true;
}
if (pValue != NULL) free(pValue);
}
CK_ULONG beidsdk_GetData()
{
void *pkcs11Handle; //handle to the pkcs11 library
CK_FUNCTION_LIST_PTR pFunctions; //list of the pkcs11 function pointers
CK_C_GetFunctionList pC_GetFunctionList;
CK_RV retVal = CKR_OK;
//open the pkcs11 library
pkcs11Handle = dlopen(PKCS11_LIB, RTLD_LAZY); // RTLD_NOW is slower
if (pkcs11Handle == NULL) {
printf("%s not found\n",PKCS11_LIB);
#ifdef WIN32
DWORD err;
err = GetLastError();
printf("err is 0x%.8x\n",err);
//14001 is "MSVCR80.DLL not found"
#else
printf("err is %s", dlerror());
#endif
return CKR_GENERAL_ERROR;
}
// get function pointer to C_GetFunctionList
pC_GetFunctionList = (CK_C_GetFunctionList)dlsym(pkcs11Handle, "C_GetFunctionList");
if (pC_GetFunctionList == NULL) { retVal = CKR_GENERAL_ERROR; goto out; }
// invoke C_GetFunctionList to get the list of pkcs11 function pointers
retVal = (*pC_GetFunctionList) (&pFunctions);
if (retVal != CKR_OK) { goto out; }
// initialize Cryptoki
retVal = (pFunctions->C_Initialize) (NULL);
if (retVal != CKR_OK) { goto out; }
CK_ULONG slot_count = 0;
// retrieve the number of slots (cardreaders) found
//set first parameter to CK_FALSE if you also want to find the slots without a card inserted
retVal = (pFunctions->C_GetSlotList) (CK_TRUE, 0, &slot_count);
if (slot_count == 0) { retVal = CKR_GENERAL_ERROR; printf("no slots found\n"); }
if (retVal != CKR_OK) { goto finalize; }
CK_SLOT_ID_PTR slotIds = (CK_SLOT_ID_PTR)malloc(slot_count * sizeof(CK_SLOT_ID));
if(slotIds == NULL) { printf("malloc failed\n"); retVal = CKR_GENERAL_ERROR; goto finalize; }
// Now retrieve the list of slots (cardreaders).
retVal = (pFunctions->C_GetSlotList) (CK_TRUE, slotIds, &slot_count);
if (retVal != CKR_OK) { goto freeslots; }
/* Note: the above should ideally be done in a loop, since the
* number of slots reported by C_GetSlotList might increase if
* the user inserts a card (or card reader) at exactly the right
* moment. See PKCS#11 (pkcs-11v2-11r1.pdf) for details.
*/
/* Loop over the reported slots and read data from any eID card found */
CK_ULONG slotIdx;
for (slotIdx = 0; slotIdx < slot_count; slotIdx++)
{
CK_SESSION_HANDLE session_handle;
//open a session
retVal = (pFunctions->C_OpenSession)(slotIds[slotIdx], CKF_SERIAL_SESSION, NULL_PTR, NULL_PTR, &session_handle);
if (retVal != CKR_OK) { continue; }
/* Prepare some labels for particular bits of data that we want
* to read from the card. See sdk/pdf/beid_card_data.pdf (or
* .../beid_card_data.odt) for other options (e.g., address,
* given name, issuing municipality, ...).
*/
CK_CHAR_PTR pFilename = (CK_CHAR_PTR)TEXT("carddata_glob_os_version");
CK_CHAR_PTR pSignatureFilename = (CK_CHAR_PTR)TEXT("CARD_DATA");
CK_CHAR_PTR pLastname = (CK_CHAR_PTR)TEXT("surname");
/*
* Variables in which to store the actual data
*/
CK_VOID_PTR pFileValue = NULL;
CK_VOID_PTR pSignatureValue = NULL;
CK_VOID_PTR pLastnameValue = NULL;
CK_ULONG FileValueLen = 0;
CK_ULONG SignatureValueLen = 0;
CK_ULONG LastnameValueLen = 0;
//retrieve the card OS version
retVal = Beidsdk_GetObjectValue(pFunctions, session_handle, pFilename, &pFileValue, &FileValueLen);
if(retVal == CKR_OK)
Beidsdk_PrintValue(pFilename,(CK_BYTE_PTR)pFileValue, FileValueLen);
else
printf("error 0x%.8x Beidsdk_GetObjectValue\n",retVal);
//retrieve the data of the signature file
retVal = Beidsdk_GetObjectValue(pFunctions, session_handle, pSignatureFilename, &pSignatureValue, &SignatureValueLen);
if(retVal == CKR_OK)
Beidsdk_PrintValue(pSignatureFilename,(CK_BYTE_PTR)pSignatureValue, SignatureValueLen);
else
printf("error 0x%.8x Beidsdk_GetObjectValue\n",retVal);
//retrieve the lastname
retVal = Beidsdk_GetObjectValue(pFunctions, session_handle, pLastname, &pLastnameValue, &LastnameValueLen);
if(retVal == CKR_OK)
Beidsdk_PrintValue(pLastname,(CK_BYTE_PTR)pLastnameValue, LastnameValueLen);
else
printf("error 0x%.8x Beidsdk_GetObjectValue\n",retVal);
if (pFileValue != NULL)
free (pFileValue);
if (pSignatureValue != NULL)
free (pSignatureValue);
if (pLastnameValue != NULL)
free (pLastnameValue);
//close the session
if (retVal == CKR_OK)
retVal = (pFunctions->C_CloseSession) (session_handle);
else
(pFunctions->C_CloseSession) (session_handle);
}
freeslots:
free(slotIds);
finalize:
if (retVal == CKR_OK)
retVal = (pFunctions->C_Finalize) (NULL_PTR);
else
(pFunctions->C_Finalize) (NULL_PTR);
out:
dlclose(pkcs11Handle);
return retVal;
}
