static void getStatusChange(SCARDCONTEXT ctx, const char *readerList, DWORD timeout)
{
SCARD_READERSTATEA readerStates[MAX_READER_STATES];
int readerCount = 0;
while (readerList[0] != '\0' && readerCount < MAX_READER_STATES)
{
readerStates[readerCount].szReader = readerList;
readerStates[readerCount].dwCurrentState = SCARD_STATE_UNAWARE;
readerList += strlen(readerList) + 1;
readerCount++;
}
if (timeout == (DWORD) -1)
{
timeout = INFINITE;
printf("Remove insert card(s) (or not) and hit ENTER\n");
printf("Or type 'q' stop\n\n");
}
else
printf("Remove insert card(s) or type Ctrl-C to stop\n\n");
char keybd = 0;
while (keybd != 'q' && keybd != 'Q')
{
long ret = SCardGetStatusChangeA(ctx, timeout, readerStates, (DWORD) readerCount);
if ((long) SCARD_S_SUCCESS != ret && (long) SCARD_E_TIMEOUT != ret)
{
CHECK_PCSC_RET("SCardGetStatusChange", ret);
break;
}
if ((long) SCARD_E_TIMEOUT == ret)
printf(" - timeout (nothing changed)\n");
else
{
for (int i = 0; i < readerCount; i++)
{
printState(&readerStates[i]);
readerStates[i].dwCurrentState = readerStates[i].dwEventState &
~SCARD_STATE_CHANGED & ~SCARD_STATE_UNKNOWN;
}
}
// Wait until the user hits a key
if (timeout != (DWORD) -1)
keybd = getchar();
}
}
static UINT32 smartcard_GetStatusChangeA_Call(SMARTCARD_DEVICE* smartcard, SMARTCARD_OPERATION* operation, GetStatusChangeA_Call* call)
{
LONG status;
UINT32 index;
GetStatusChange_Return ret;
LPSCARD_READERSTATEA rgReaderState = NULL;
IRP* irp = operation->irp;
status = ret.ReturnCode = SCardGetStatusChangeA(operation->hContext, call->dwTimeOut, call->rgReaderStates, call->cReaders);
if (status && (status != SCARD_E_TIMEOUT) && (status != SCARD_E_CANCELLED))
return status;
ret.cReaders = call->cReaders;
ret.rgReaderStates = (ReaderState_Return*) calloc(ret.cReaders, sizeof(ReaderState_Return));
for (index = 0; index < ret.cReaders; index++)
{
ret.rgReaderStates[index].dwCurrentState = call->rgReaderStates[index].dwCurrentState;
ret.rgReaderStates[index].dwEventState = call->rgReaderStates[index].dwEventState;
ret.rgReaderStates[index].cbAtr = call->rgReaderStates[index].cbAtr;
CopyMemory(&(ret.rgReaderStates[index].rgbAtr), &(call->rgReaderStates[index].rgbAtr), 32);
}
smartcard_trace_get_status_change_return(smartcard, &ret, FALSE);
status = smartcard_pack_get_status_change_return(smartcard, irp->output, &ret);
if (status)
return status;
if (call->rgReaderStates)
{
for (index = 0; index < call->cReaders; index++)
{
rgReaderState = &call->rgReaderStates[index];
if (rgReaderState->szReader)
free((void*) rgReaderState->szReader);
}
free(call->rgReaderStates);
}
free(ret.rgReaderStates);
return ret.ReturnCode;
}
