PCSC_API LONG SCardDisconnect(SCARDHANDLE hCard, DWORD dwDisposition)
{
DWORD Lun = hCard;
LONG r;
UCHAR Atr[MAX_ATR_SIZE];
DWORD AtrLength = sizeof Atr;
struct card *card;
SET_R_TEST( handle2card(hCard, &card));
if (!card->usage_counter) {
r = SCARD_E_INVALID_HANDLE;
goto err;
}
card->usage_counter--;
switch (dwDisposition) {
case SCARD_LEAVE_CARD:
r = SCARD_S_SUCCESS;
break;
case SCARD_RESET_CARD:
if (card->usage_counter) {
r = SCARD_E_CANT_DISPOSE;
goto err;
}
SET_R_TEST( responsecode2long(
IFDHPowerICC (Lun, IFD_RESET, Atr, &AtrLength)));
break;
case SCARD_EJECT_CARD:
/* fall through */
case SCARD_UNPOWER_CARD:
if (card->usage_counter) {
r = SCARD_E_CANT_DISPOSE;
goto err;
}
SET_R_TEST( responsecode2long(
IFDHPowerICC (Lun, IFD_POWER_DOWN, Atr, &AtrLength)));
break;
default:
r = SCARD_E_INVALID_PARAMETER;
break;
}
err:
return r;
}
/**
* Power up/down or reset's an ICC located in the IFD.
*/
LONG IFDPowerICC(PREADER_CONTEXT rContext, DWORD dwAction,
const unsigned char *pucAtr, PDWORD pdwAtrLen)
{
RESPONSECODE rv;
short ret;
SMARTCARD_EXTENSION sSmartCard;
DWORD dwStatus;
UCHAR ucValue[1];
#ifndef PCSCLITE_STATIC_DRIVER
RESPONSECODE(*IFD_power_icc) (DWORD) = NULL;
RESPONSECODE(*IFDH_power_icc) (DWORD, DWORD, PUCHAR, PDWORD) = NULL;
#endif
/*
* Zero out everything
*/
rv = IFD_SUCCESS;
dwStatus = 0;
ucValue[0] = 0;
/*
* Check that the card is inserted first
*/
(void)IFDStatusICC(rContext, &dwStatus, pucAtr, pdwAtrLen);
if (dwStatus & SCARD_ABSENT)
return SCARD_W_REMOVED_CARD;
#ifndef PCSCLITE_STATIC_DRIVER
if (rContext->dwVersion == IFD_HVERSION_1_0)
IFD_power_icc = rContext->psFunctions.psFunctions_v1.pvfPowerICC;
else
IFDH_power_icc = rContext->psFunctions.psFunctions_v2.pvfPowerICC;
#endif
/* LOCK THIS CODE REGION */
(void)SYS_MutexLock(rContext->mMutex);
#ifndef PCSCLITE_STATIC_DRIVER
if (rContext->dwVersion == IFD_HVERSION_1_0)
{
ucValue[0] = rContext->dwSlot;
(void)IFDSetCapabilities(rContext, TAG_IFD_SLOTNUM, 1, ucValue);
rv = (*IFD_power_icc) (dwAction);
}
else
{
rv = (*IFDH_power_icc) (rContext->dwSlot, dwAction,
(unsigned char *)pucAtr, pdwAtrLen);
ret = ATRDecodeAtr(&sSmartCard, pucAtr, *pdwAtrLen);
}
#else
if (rContext->dwVersion == IFD_HVERSION_1_0)
{
ucValue[0] = rContext->dwSlot;
(void)IFDSetCapabilities(rContext, TAG_IFD_SLOTNUM, 1, ucValue);
rv = IFD_Power_ICC(dwAction);
}
else
rv = IFDHPowerICC(rContext->dwSlot, dwAction, pucAtr, pdwAtrLen);
#endif
/* END OF LOCKED REGION */
(void)SYS_MutexUnLock(rContext->mMutex);
/* use clean values in case of error */
if (rv != IFD_SUCCESS)
{
*pdwAtrLen = 0;
// pucAtr[0] = '\0';
if (rv == IFD_NO_SUCH_DEVICE)
{
// (void)SendHotplugSignal();
return SCARD_E_READER_UNAVAILABLE;
}
return SCARD_E_NOT_TRANSACTED;
}
/*
* Get the ATR and it's length
*/
if (rContext->dwVersion == IFD_HVERSION_1_0)
(void)IFDStatusICC(rContext, &dwStatus, pucAtr, pdwAtrLen);
return rv;
}
/**
* Power up/down or reset's an ICC located in the IFD.
*/
LONG IFDPowerICC(READER_CONTEXT * rContext, DWORD dwAction,
PUCHAR pucAtr, PDWORD pdwAtrLen)
{
RESPONSECODE rv;
DWORD dwStatus;
UCHAR dummyAtr[MAX_ATR_SIZE];
DWORD dummyAtrLen = sizeof(dummyAtr);
#ifndef PCSCLITE_STATIC_DRIVER
RESPONSECODE(*IFDH_power_icc) (DWORD, DWORD, PUCHAR, PDWORD) = NULL;
#endif
/*
* Zero out everything
*/
dwStatus = 0;
if (NULL == pucAtr)
pucAtr = dummyAtr;
if (NULL == pdwAtrLen)
pdwAtrLen = &dummyAtrLen;
/*
* Check that the card is inserted first
*/
rv = IFDStatusICC(rContext, &dwStatus);
if (rv != IFD_SUCCESS)
{
if (rv == IFD_NO_SUCH_DEVICE)
return SCARD_E_READER_UNAVAILABLE;
return SCARD_E_NOT_TRANSACTED;
}
if (dwStatus & SCARD_ABSENT)
return SCARD_W_REMOVED_CARD;
#ifndef PCSCLITE_STATIC_DRIVER
IFDH_power_icc = rContext->psFunctions.psFunctions_v2.pvfPowerICC;
#endif
/* LOCK THIS CODE REGION */
(void)pthread_mutex_lock(rContext->mMutex);
#ifndef PCSCLITE_STATIC_DRIVER
rv = (*IFDH_power_icc) (rContext->slot, dwAction, pucAtr, pdwAtrLen);
#else
rv = IFDHPowerICC(rContext->slot, dwAction, pucAtr, pdwAtrLen);
#endif
/* END OF LOCKED REGION */
(void)pthread_mutex_unlock(rContext->mMutex);
/* use clean values in case of error */
if (rv != IFD_SUCCESS)
{
*pdwAtrLen = 0;
pucAtr[0] = '\0';
if (rv == IFD_NO_SUCH_DEVICE)
{
(void)SendHotplugSignal();
return SCARD_E_READER_UNAVAILABLE;
}
return SCARD_E_NOT_TRANSACTED;
}
return rv;
}
