/*****************************************************************************
*
* WriteUSB
*
****************************************************************************/
status_t WriteUSB(unsigned int reader_index, unsigned int length,
unsigned char *buffer)
{
int rv;
int actual_length;
char debug_header[] = "-> 121234 ";
(void)snprintf(debug_header, sizeof(debug_header), "-> %06X ",
(int)reader_index);
DEBUG_XXD(debug_header, buffer, length);
rv = libusb_bulk_transfer(usbDevice[reader_index].dev_handle,
usbDevice[reader_index].bulk_out, buffer, length,
&actual_length, USB_WRITE_TIMEOUT);
if (rv < 0)
{
DEBUG_CRITICAL5("write failed (%d/%d): %d %s",
usbDevice[reader_index].bus_number,
usbDevice[reader_index].device_address, rv, strerror(errno));
if (ENODEV == errno)
return STATUS_NO_SUCH_DEVICE;
return STATUS_UNSUCCESSFUL;
}
return STATUS_SUCCESS;
} /* WriteUSB */
/*****************************************************************************
*
* WriteUSB
*
****************************************************************************/
status_t WriteUSB(unsigned int reader_index, unsigned int length,
unsigned char *buffer)
{
int rv;
char debug_header[] = "-> 121234 ";
(void)snprintf(debug_header, sizeof(debug_header), "-> %06X ",
(int)reader_index);
DEBUG_XXD(debug_header, buffer, length);
rv = usb_bulk_write(usbDevice[reader_index].handle,
usbDevice[reader_index].bulk_out, (char *)buffer, length,
USB_WRITE_TIMEOUT);
if (rv < 0)
{
DEBUG_CRITICAL4("usb_bulk_write(%s/%s): %s",
usbDevice[reader_index].dirname, usbDevice[reader_index].filename,
strerror(errno));
if (ENODEV == errno)
return STATUS_NO_SUCH_DEVICE;
return STATUS_UNSUCCESSFUL;
}
return STATUS_SUCCESS;
} /* WriteUSB */
/*****************************************************************************
*
* WriteUSB
*
****************************************************************************/
status_t WriteUSB(unsigned int reader_index, unsigned int length,
unsigned char *buffer)
{
int rv;
char debug_header[] = "-> 121234 ";
int pos;
int len;
int delayed = FALSE;
(void)snprintf(debug_header, sizeof(debug_header), "-> %06X ",
(int)reader_index);
DEBUG_XXD(debug_header, buffer, length);
// Fix APG8201 and ACR85 ICC cannot receive command properly
// Add delay for APG8201 and ACR85 ICC
if ((usbDevice[reader_index].ccid.readerID == ACS_APG8201) ||
(usbDevice[reader_index].ccid.readerID == ACS_ACR85_PINPAD_READER_ICC))
{
delayed = TRUE;
}
// Send command by dividing number of packets
pos = 0;
while (length > 0)
{
if (length > usbDevice[reader_index].bulkOutMaxPacketSize)
len = usbDevice[reader_index].bulkOutMaxPacketSize;
else
len = length;
rv = usb_bulk_write(usbDevice[reader_index].handle,
usbDevice[reader_index].bulk_out, (char *)buffer + pos, len,
USB_WRITE_TIMEOUT);
if (rv < 0)
{
DEBUG_CRITICAL4("usb_bulk_write(%s/%s): %s",
usbDevice[reader_index].dirname, usbDevice[reader_index].filename,
strerror(errno));
if (ENODEV == errno)
return STATUS_NO_SUCH_DEVICE;
return STATUS_UNSUCCESSFUL;
}
if (delayed)
{
// Delay 10 ms
if (length > usbDevice[reader_index].bulkOutMaxPacketSize)
usleep(10 * 1000);
}
pos += len;
length -= len;
}
return STATUS_SUCCESS;
} /* WriteUSB */
int
PPS_Exchange (int lun, BYTE * params, unsigned *length, unsigned char *pps1)
{
BYTE confirm[PPS_MAX_LENGTH];
unsigned len_request, len_confirm;
int ret;
len_request = PPS_GetLength (params);
params[len_request - 1] = PPS_GetPCK(params, len_request - 1);
DEBUG_XXD ("PPS: Sending request: ", params, len_request);
/* Send PPS request */
if (CCID_Transmit (lun, len_request, params, isCharLevel(lun) ? 4 : 0, 0)
!= IFD_SUCCESS)
return PPS_ICC_ERROR;
/* Get PPS confirm */
len_confirm = sizeof(confirm);
if (CCID_Receive (lun, &len_confirm, confirm, NULL) != IFD_SUCCESS)
return PPS_ICC_ERROR;
DEBUG_XXD ("PPS: Receiving confirm: ", confirm, len_confirm);
if (!PPS_Match (params, len_request, confirm, len_confirm))
ret = PPS_HANDSAKE_ERROR;
else
ret = PPS_OK;
*pps1 = 0x11; /* default TA1 */
/* if PPS1 is echoed */
if (PPS_HAS_PPS1 (params) && PPS_HAS_PPS1 (confirm))
*pps1 = confirm[2];
/* Copy PPS handsake */
memcpy (params, confirm, len_confirm);
(*length) = len_confirm;
return ret;
}
/*****************************************************************************
*
* ReadChunk: read a minimum number of bytes
*
*****************************************************************************/
static int ReadChunk(unsigned int reader_index, unsigned char *buffer,
int buffer_length, int min_length)
{
int fd = serialDevice[reader_index].fd;
# ifndef S_SPLINT_S
fd_set fdset;
# endif
struct timeval t;
int i, rv = 0;
int already_read;
char debug_header[] = "<- 123456 ";
(void)snprintf(debug_header, sizeof(debug_header), "<- %06X ",
reader_index);
already_read = 0;
while (already_read < min_length)
{
/* use select() to, eventually, timeout */
FD_ZERO(&fdset);
FD_SET(fd, &fdset);
t.tv_sec = serialDevice[reader_index].ccid.readTimeout / 1000;
t.tv_usec = (serialDevice[reader_index].ccid.readTimeout - t.tv_sec*1000)*1000;
i = select(fd+1, &fdset, NULL, NULL, &t);
if (i == -1)
{
DEBUG_CRITICAL2("select: %s", strerror(errno));
return -1;
}
else
if (i == 0)
{
DEBUG_COMM2("Timeout! (%d ms)", serialDevice[reader_index].ccid.readTimeout);
return -1;
}
rv = read(fd, buffer + already_read, buffer_length - already_read);
if (rv < 0)
{
DEBUG_COMM2("read error: %s", strerror(errno));
return -1;
}
DEBUG_XXD(debug_header, buffer + already_read, rv);
already_read += rv;
DEBUG_COMM3("read: %d, to read: %d", already_read,
min_length);
}
return already_read;
} /* ReadChunk */
/*****************************************************************************
*
* ReadUSB
*
****************************************************************************/
status_t ReadUSB(unsigned int reader_index, unsigned int * length,
unsigned char *buffer)
{
int rv;
int actual_length;
char debug_header[] = "<- 121234 ";
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
int duplicate_frame = 0;
read_again:
(void)snprintf(debug_header, sizeof(debug_header), "<- %06X ",
(int)reader_index);
rv = libusb_bulk_transfer(usbDevice[reader_index].dev_handle,
usbDevice[reader_index].bulk_in, buffer, *length,
&actual_length, usbDevice[reader_index].ccid.readTimeout);
if (rv < 0)
{
*length = 0;
DEBUG_CRITICAL5("read failed (%d/%d): %d %s",
usbDevice[reader_index].bus_number,
usbDevice[reader_index].device_address, rv, strerror(errno));
if (ENODEV == errno)
return STATUS_NO_SUCH_DEVICE;
return STATUS_UNSUCCESSFUL;
}
*length = actual_length;
DEBUG_XXD(debug_header, buffer, *length);
#define BSEQ_OFFSET 6
if ((*length >= BSEQ_OFFSET)
&& (buffer[BSEQ_OFFSET] < *ccid_descriptor->pbSeq -1))
{
duplicate_frame++;
if (duplicate_frame > 10)
{
DEBUG_CRITICAL("Too many duplicate frame detected");
return STATUS_UNSUCCESSFUL;
}
DEBUG_INFO("Duplicate frame detected");
goto read_again;
}
return STATUS_SUCCESS;
} /* ReadUSB */
/*****************************************************************************
*
* ReadUSB
*
****************************************************************************/
status_t ReadUSB(unsigned int reader_index, unsigned int * length,
unsigned char *buffer)
{
int rv;
char debug_header[] = "<- 121234 ";
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
int duplicate_frame = 0;
read_again:
(void)snprintf(debug_header, sizeof(debug_header), "<- %06X ",
(int)reader_index);
rv = usb_bulk_read(usbDevice[reader_index].handle,
usbDevice[reader_index].bulk_in, (char *)buffer, *length,
usbDevice[reader_index].ccid.readTimeout * 1000);
if (rv < 0)
{
*length = 0;
DEBUG_CRITICAL4("usb_bulk_read(%s/%s): %s",
usbDevice[reader_index].dirname, usbDevice[reader_index].filename,
strerror(errno));
if (ENODEV == errno)
return STATUS_NO_SUCH_DEVICE;
return STATUS_UNSUCCESSFUL;
}
*length = rv;
DEBUG_XXD(debug_header, buffer, *length);
#define BSEQ_OFFSET 6
if ((*length >= BSEQ_OFFSET)
&& (buffer[BSEQ_OFFSET] < *ccid_descriptor->pbSeq -1))
{
duplicate_frame++;
if (duplicate_frame > 10)
{
DEBUG_CRITICAL("Too many duplicate frame detected");
return STATUS_UNSUCCESSFUL;
}
DEBUG_INFO("Duplicate frame detected");
goto read_again;
}
return STATUS_SUCCESS;
} /* ReadUSB */
/*****************************************************************************
*
* WriteSerial: Send bytes to the card reader
*
*****************************************************************************/
status_t WriteSerial(unsigned int reader_index, unsigned int length,
unsigned char *buffer)
{
unsigned int i;
unsigned char lrc;
unsigned char low_level_buffer[GEMPCTWIN_MAXBUF];
char debug_header[] = "-> 123456 ";
(void)snprintf(debug_header, sizeof(debug_header), "-> %06X ",
reader_index);
if (length > GEMPCTWIN_MAXBUF-3)
{
DEBUG_CRITICAL3("command too long: %d for max %d",
length, GEMPCTWIN_MAXBUF-3);
return STATUS_UNSUCCESSFUL;
}
/* header */
low_level_buffer[0] = 0x03; /* SYNC */
low_level_buffer[1] = 0x06; /* ACK */
/* CCID command */
memcpy(low_level_buffer+2, buffer, length);
/* checksum */
lrc = 0;
for(i=0; i<length+2; i++)
lrc ^= low_level_buffer[i];
low_level_buffer[length+2] = lrc;
DEBUG_XXD(debug_header, low_level_buffer, length+3);
if (write(serialDevice[reader_index].fd, low_level_buffer,
length+3) != length+3)
{
DEBUG_CRITICAL2("write error: %s", strerror(errno));
return STATUS_UNSUCCESSFUL;
}
return STATUS_SUCCESS;
} /* WriteSerial */
/*****************************************************************************
*
* WriteUSB
*
****************************************************************************/
status_t WriteUSB(unsigned int reader_index, unsigned int length,
unsigned char *buffer)
{
int rv;
int actual_length;
char debug_header[] = "-> 121234 ";
(void)snprintf(debug_header, sizeof(debug_header), "-> %06X ",
(int)reader_index);
if (usbDevice[reader_index].ccid.zlp)
{ /* Zero Length Packet */
int dummy_length;
/* try to read a ZLP so transfer length = 0
* timeout of 1 ms */
(void)libusb_bulk_transfer(usbDevice[reader_index].dev_handle,
usbDevice[reader_index].bulk_in, NULL, 0, &dummy_length, 1);
}
DEBUG_XXD(debug_header, buffer, length);
rv = libusb_bulk_transfer(usbDevice[reader_index].dev_handle,
usbDevice[reader_index].bulk_out, buffer, length,
&actual_length, USB_WRITE_TIMEOUT);
if (rv < 0)
{
DEBUG_CRITICAL5("write failed (%d/%d): %d %s",
usbDevice[reader_index].bus_number,
usbDevice[reader_index].device_address, rv, strerror(errno));
if ((ENODEV == errno) || (LIBUSB_ERROR_NO_DEVICE == rv))
return STATUS_NO_SUCH_DEVICE;
return STATUS_UNSUCCESSFUL;
}
return STATUS_SUCCESS;
} /* WriteUSB */
/*****************************************************************************
*
* ReadSerial: Receive bytes from the card reader
*
*****************************************************************************/
status_t ReadSerial(unsigned int reader_index,
unsigned int *length, unsigned char *buffer)
{
unsigned char c;
int rv;
int echo;
int to_read;
int i;
/* we get the echo first */
echo = serialDevice[reader_index].echo;
start:
DEBUG_COMM("start");
if ((rv = get_bytes(reader_index, &c, 1)) != STATUS_SUCCESS)
return rv;
if (c == RDR_to_PC_NotifySlotChange)
goto slot_change;
if (c == SYNC)
goto sync;
if (c >= 0x80)
{
DEBUG_COMM2("time request: 0x%02X", c);
goto start;
}
DEBUG_CRITICAL2("Got 0x%02X", c);
return STATUS_COMM_ERROR;
slot_change:
DEBUG_COMM("slot change");
if ((rv = get_bytes(reader_index, &c, 1)) != STATUS_SUCCESS)
return rv;
if (c == CARD_ABSENT)
{
DEBUG_COMM("Card removed");
}
else
if (c == CARD_PRESENT)
{
DEBUG_COMM("Card inserted");
}
else
{
DEBUG_COMM2("Unknown card movement: %d", c);
}
goto start;
sync:
DEBUG_COMM("sync");
if ((rv = get_bytes(reader_index, &c, 1)) != STATUS_SUCCESS)
return rv;
if (c == CTRL_ACK)
goto ack;
if (c == CTRL_NAK)
goto nak;
DEBUG_CRITICAL2("Got 0x%02X instead of ACK/NAK", c);
return STATUS_COMM_ERROR;
nak:
DEBUG_COMM("nak");
if ((rv = get_bytes(reader_index, &c, 1)) != STATUS_SUCCESS)
return rv;
if (c != (SYNC ^ CTRL_NAK))
{
DEBUG_CRITICAL2("Wrong LRC: 0x%02X", c);
return STATUS_COMM_ERROR;
}
else
{
DEBUG_COMM("NAK requested");
return STATUS_COMM_NAK;
}
ack:
DEBUG_COMM("ack");
/* normal CCID frame */
if ((rv = get_bytes(reader_index, buffer, 5)) != STATUS_SUCCESS)
return rv;
/* total frame size */
to_read = 10+dw2i(buffer, 1);
if ((to_read < 10) || (to_read > (int)*length))
{
DEBUG_CRITICAL2("Wrong value for frame size: %d", to_read);
return STATUS_COMM_ERROR;
}
DEBUG_COMM2("frame size: %d", to_read);
if ((rv = get_bytes(reader_index, buffer+5, to_read-5)) != STATUS_SUCCESS)
return rv;
DEBUG_XXD("frame: ", buffer, to_read);
/* lrc */
DEBUG_COMM("lrc");
if ((rv = get_bytes(reader_index, &c, 1)) != STATUS_SUCCESS)
return rv;
DEBUG_COMM2("lrc: 0x%02X", c);
for (i=0; i<to_read; i++)
c ^= buffer[i];
if (c != (SYNC ^ CTRL_ACK))
DEBUG_CRITICAL2("Wrong LRC: 0x%02X", c);
if (echo)
{
echo = FALSE;
goto start;
}
/* length of data read */
*length = to_read;
return STATUS_SUCCESS;
} /* ReadSerial */
/*
* Send/receive block
*/
static int t1_xcv(t1_state_t * t1, unsigned char *block, size_t slen,
size_t rmax)
{
int n, m;
_ccid_descriptor *ccid_desc ;
int oldReadTimeout;
unsigned int rmax_int;
DEBUG_XXD("sending: ", block, slen);
ccid_desc = get_ccid_descriptor(t1->lun);
oldReadTimeout = ccid_desc->readTimeout;
if (t1->wtx > 1)
{
/* set the new temporary timeout at WTX card request */
ccid_desc->readTimeout *= t1->wtx;
DEBUG_INFO2("New timeout at WTX request: %d sec",
ccid_desc->readTimeout);
}
if (isCharLevel(t1->lun))
{
rmax = 3;
n = CCID_Transmit(t1 -> lun, slen, block, rmax, t1->wtx);
if (n != IFD_SUCCESS)
return n;
/* the second argument of CCID_Receive() is (unsigned int *)
* so we can't use &rmax since &rmax is a (size_t *) and may not
* be the same on 64-bits architectures for example (iMac G5) */
rmax_int = rmax;
n = CCID_Receive(t1 -> lun, &rmax_int, block, NULL);
rmax = rmax_int;
if (n == IFD_PARITY_ERROR)
return -2;
if (n != IFD_SUCCESS)
return -1;
rmax = block[2] + 1;
n = CCID_Transmit(t1 -> lun, 0, block, rmax, t1->wtx);
if (n != IFD_SUCCESS)
return n;
rmax_int = rmax;
n = CCID_Receive(t1 -> lun, &rmax_int, &block[3], NULL);
rmax = rmax_int;
if (n == IFD_PARITY_ERROR)
return -2;
if (n != IFD_SUCCESS)
return -1;
n = rmax + 3;
}
else
{
n = CCID_Transmit(t1 -> lun, slen, block, 0, t1->wtx);
t1->wtx = 0; /* reset to default value */
if (n != IFD_SUCCESS)
return n;
/* Get the response en bloc */
rmax_int = rmax;
n = CCID_Receive(t1 -> lun, &rmax_int, block, NULL);
rmax = rmax_int;
if (n == IFD_PARITY_ERROR)
return -2;
if (n != IFD_SUCCESS)
return -1;
n = rmax;
}
if (n >= 0)
{
m = block[2] + 3 + t1->rc_bytes;
if (m < n)
n = m;
}
if (n >= 0)
DEBUG_XXD("received: ", block, n);
/* Restore initial timeout */
ccid_desc->readTimeout = oldReadTimeout;
return n;
}