/* wrap data, transmit to the device and get answer */
RESPONSECODE sendData(PUCHAR TxBuffer, DWORD TxLength,
PUCHAR RxBuffer, PDWORD RxLength, int wait)
{
RESPONSECODE rc;
if (present == 0)
{
return IFD_COMMUNICATION_ERROR;
}
unsigned char apdu[TxLength];
unsigned char buffer[2000];
unsigned int i, j, response_length, n = 0;
int sLen = TxLength;
for (i = 0; i < TxLength; ++i)
{
apdu[i] = *(TxBuffer + i);
}
Log2(PCSC_LOG_DEBUG, "preparing to write %d data bytes", TxLength);
printf(">> %s \n", hexdump(TxBuffer, TxLength));
int rv;
rv = rfid_protocol_transceive(ph, TxBuffer, TxLength, RxBuffer, &response_length, 0, 0);
if (rv < 0)
{
Log2(PCSC_LOG_ERROR, "Error from transceive, returned %d\n", rv);
present = 0;
rfid_protocol_close(ph);
rfid_layer2_close(l2h);
rfid_reader_close(rh);
return IFD_COMMUNICATION_ERROR;
}
Log2(PCSC_LOG_DEBUG, "wrote %d data bytes", TxLength);
Log2(PCSC_LOG_DEBUG, "got %d response bytes", response_length);
if (response_length > 0)
{
*RxLength = response_length;
//for (j = 0; j < response_length; ++j)
//{
// *(RxBuffer + j) = buffer[j];
//}
rc = IFD_SUCCESS;
}
else
{
Log1(PCSC_LOG_ERROR, "no response, meaning eof, reader not usable anymore\n");
present = 0;
rfid_protocol_close(ph);
rfid_layer2_close(l2h);
rfid_reader_close(rh);
rc = IFD_COMMUNICATION_ERROR;
}
return rc;
}
static int send_command(char* sbuf, int slen, char* rbuf, int rlen)
{
int rv;
static int doit;
int answer, c = 0;
if(doit == 0) {
fprintf(stderr, "?? %s (%i bytes)\n", hexdump(sbuf, slen), slen);
fprintf(stderr, "Execute? (Yes/No/All/Exit) ");
answer = getc(stdin);
if(answer != '\n') do {
c = getc(stdin);
} while(c != '\n' && c != EOF);
switch(answer) {
case 'y': // Fall-through
case 'Y':
case '\n':
// Do nothing
break;
case 'n': // Fall-through
case 'N':
return 0;
break;
case 'a': // Fall-through
case 'A':
doit = 1;
break;
case 'e': // Fall-through
case 'E':
return -1;
break;
default:
return 0; // Default to 'n'
break;
}
}
printf(">> %s (%i bytes)\n", hexdump(sbuf, slen), slen);
rv = rfid_protocol_transceive(ph, sbuf, slen, rbuf, &rlen, 0, 0);
if (rv < 0) {
fprintf(stderr, "Error from transceive: %i\n", rv);
return rv;
}
printf("<< %s (%i bytes)\n", hexdump(rbuf, rlen), rlen);
if(rlen < 2 || rbuf[rlen-2] != (char)0x90 || rbuf[rlen-1] != 0x00) {
fprintf(stderr, "SW is not 90 00. Ignore (i) or Abort (a)? ");
answer = getc(stdin);
if(answer != '\n') do {
c = getc(stdin);
} while(c != '\n' && c != EOF);
switch(answer) {
case 'i': // Fall-through
case 'I':
case '\n':
// Do nothing
break;
case 'a': // Fall-through
case 'A':
return -1;
break;
default:
return -1; // Default to 'a'
}
}
return rlen;
}