/*****************************************************************************
*
* OpenUSBByName
*
****************************************************************************/
status_t OpenUSBByName(unsigned int reader_index, /*@null@*/ char *device)
{
static struct usb_bus *busses = NULL;
int alias = 0;
struct usb_bus *bus;
struct usb_dev_handle *dev_handle;
char keyValue[TOKEN_MAX_VALUE_SIZE];
unsigned int vendorID, productID;
char infofile[FILENAME_MAX];
#ifndef __APPLE__
unsigned int device_vendor, device_product;
#endif
char *dirname = NULL, *filename = NULL;
int interface_number = -1;
static int previous_reader_index = -1;
DEBUG_COMM3("Reader index: %X, Device: %s", reader_index, device);
#ifndef __APPLE__
/* device name specified */
if (device)
{
/* format: usb:%04x/%04x, vendor, product */
if (strncmp("usb:", device, 4) != 0)
{
DEBUG_CRITICAL2("device name does not start with \"usb:\": %s",
device);
return STATUS_UNSUCCESSFUL;
}
if (sscanf(device, "usb:%x/%x", &device_vendor, &device_product) != 2)
{
DEBUG_CRITICAL2("device name can't be parsed: %s", device);
return STATUS_UNSUCCESSFUL;
}
/* format usb:%04x/%04x:libusb:%s
* with %s set to %s:%s, dirname, filename */
if ((dirname = strstr(device, "libusb:")) != NULL)
{
/* dirname points to the first char after libusb: */
dirname += strlen("libusb:");
/* search the : (separation) char */
filename = strchr(dirname, ':');
if (filename)
{
/* end the dirname string */
*filename = '\0';
/* filename points to the first char after : */
filename++;
}
else
{
/* parse failed */
dirname = NULL;
DEBUG_CRITICAL2("can't parse using libusb scheme: %s", device);
}
}
/* format usb:%04x/%04x:libhal:%s
* with %s set to
* /org/freedesktop/Hal/devices/usb_device_VID_PID_SERIAL_ifX
* VID is VendorID
* PID is ProductID
* SERIAL is device serial number
* X is the interface number
*/
if ((dirname = strstr(device, "libhal:")) != NULL)
{
const char *p;
#define HAL_HEADER "usb_device_"
/* parse the hal string */
if (
/* search the last '/' char */
(p = strrchr(dirname, '/'))
/* if the string starts with "usb_device_" we continue */
&& (0 == strncmp(++p, HAL_HEADER, sizeof(HAL_HEADER)-1))
/* skip the HAL header */
&& (p += sizeof(HAL_HEADER)-1)
/* search the last '_' */
&& (p = strrchr(++p, '_'))
&& (0 == strncmp(++p, "if", 2))
)
{
/* convert the interface number */
interface_number = atoi(p+2);
}
else
DEBUG_CRITICAL2("can't parse using libhal scheme: %s", device);
/* dirname was just a temporary variable */
dirname = NULL;
}
}
#endif
if (busses == NULL)
usb_init();
(void)usb_find_busses();
(void)usb_find_devices();
busses = usb_get_busses();
if (busses == NULL)
{
DEBUG_CRITICAL("No USB busses found");
return STATUS_UNSUCCESSFUL;
}
/* is the reader_index already used? */
if (usbDevice[reader_index].handle != NULL)
{
DEBUG_CRITICAL2("USB driver with index %X already in use",
reader_index);
return STATUS_UNSUCCESSFUL;
}
/* Info.plist full patch filename */
(void)snprintf(infofile, sizeof(infofile), "%s/%s/Contents/Info.plist",
PCSCLITE_HP_DROPDIR, BUNDLE);
/* general driver info */
if (!LTPBundleFindValueWithKey(infofile, "ifdManufacturerString", keyValue, 0))
{
DEBUG_INFO2("Manufacturer: %s", keyValue);
}
else
{
DEBUG_INFO2("LTPBundleFindValueWithKey error. Can't find %s?",
infofile);
return STATUS_UNSUCCESSFUL;
}
if (!LTPBundleFindValueWithKey(infofile, "ifdProductString", keyValue, 0))
{
DEBUG_INFO2("ProductString: %s", keyValue);
}
else
return STATUS_UNSUCCESSFUL;
if (!LTPBundleFindValueWithKey(infofile, "Copyright", keyValue, 0))
{
DEBUG_INFO2("Copyright: %s", keyValue);
}
else
return STATUS_UNSUCCESSFUL;
vendorID = strlen(keyValue);
alias = 0x1C;
for (; vendorID--;)
alias ^= keyValue[vendorID];
/* for any supported reader */
while (LTPBundleFindValueWithKey(infofile, PCSCLITE_MANUKEY_NAME, keyValue, alias) == 0)
{
vendorID = strtoul(keyValue, NULL, 0);
if (LTPBundleFindValueWithKey(infofile, PCSCLITE_PRODKEY_NAME, keyValue, alias))
goto end;
productID = strtoul(keyValue, NULL, 0);
if (LTPBundleFindValueWithKey(infofile, PCSCLITE_NAMEKEY_NAME, keyValue, alias))
goto end;
/* go to next supported reader for next round */
alias++;
#ifndef __APPLE__
/* the device was specified but is not the one we are trying to find */
if (device
&& (vendorID != device_vendor || productID != device_product))
continue;
#else
/* Leopard puts the friendlyname in the device argument */
if (device && strcmp(device, keyValue))
continue;
#endif
/* on any USB buses */
for (bus = busses; bus; bus = bus->next)
{
struct usb_device *dev;
/* any device on this bus */
for (dev = bus->devices; dev; dev = dev->next)
{
/* device defined by name? */
if (dirname && (strcmp(dirname, bus->dirname)
|| strcmp(filename, dev->filename)))
continue;
if (dev->descriptor.idVendor == vendorID
&& dev->descriptor.idProduct == productID)
{
int r, already_used;
struct usb_interface *usb_interface = NULL;
int interface;
int num = 0;
#ifdef USE_COMPOSITE_AS_MULTISLOT
static int static_interface = 1;
{
/* simulate a composite device as when libhal is
* used */
int readerID = (vendorID << 16) + productID;
if ((GEMALTOPROXDU == readerID)
|| (GEMALTOPROXSU == readerID))
{
if(interface_number >= 0)
{
DEBUG_CRITICAL("USE_COMPOSITE_AS_MULTISLOT can't be used with libhal");
continue;
}
/* the CCID interfaces are 1 and 2 */
interface_number = static_interface;
}
}
#endif
/* is it already opened? */
already_used = FALSE;
DEBUG_COMM3("Checking device: %s/%s",
bus->dirname, dev->filename);
for (r=0; r<CCID_DRIVER_MAX_READERS; r++)
{
if (usbDevice[r].handle)
{
/* same busname, same filename */
if (strcmp(usbDevice[r].dirname, bus->dirname) == 0 && strcmp(usbDevice[r].filename, dev->filename) == 0)
already_used = TRUE;
}
}
/* this reader is already managed by us */
if (already_used)
{
if ((previous_reader_index != -1)
&& usbDevice[previous_reader_index].handle
&& (strcmp(usbDevice[previous_reader_index].dirname, bus->dirname) == 0)
&& (strcmp(usbDevice[previous_reader_index].filename, dev->filename) == 0)
&& usbDevice[previous_reader_index].ccid.bCurrentSlotIndex < usbDevice[previous_reader_index].ccid.bMaxSlotIndex)
{
/* we reuse the same device
* and the reader is multi-slot */
usbDevice[reader_index] = usbDevice[previous_reader_index];
/* the other slots do not have the same data rates */
if ((GEMCOREPOSPRO == usbDevice[reader_index].ccid.readerID)
|| (GEMCORESIMPRO == usbDevice[reader_index].ccid.readerID))
{
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = SerialCustomDataRates;
usbDevice[reader_index].ccid.dwMaxDataRate = 125000;
}
*usbDevice[reader_index].nb_opened_slots += 1;
usbDevice[reader_index].ccid.bCurrentSlotIndex++;
usbDevice[reader_index].ccid.dwSlotStatus =
IFD_ICC_PRESENT;
DEBUG_INFO2("Opening slot: %d",
usbDevice[reader_index].ccid.bCurrentSlotIndex);
goto end;
}
else
{
/* if an interface number is given by HAL we
* continue with this device. */
if (-1 == interface_number)
{
DEBUG_INFO3("USB device %s/%s already in use."
" Checking next one.",
bus->dirname, dev->filename);
continue;
}
}
}
DEBUG_COMM3("Trying to open USB bus/device: %s/%s",
bus->dirname, dev->filename);
dev_handle = usb_open(dev);
if (dev_handle == NULL)
{
DEBUG_CRITICAL4("Can't usb_open(%s/%s): %s",
bus->dirname, dev->filename, strerror(errno));
continue;
}
/* now we found a free reader and we try to use it */
if (dev->config == NULL)
{
(void)usb_close(dev_handle);
DEBUG_CRITICAL3("No dev->config found for %s/%s",
bus->dirname, dev->filename);
return STATUS_UNSUCCESSFUL;
}
again:
usb_interface = get_ccid_usb_interface(dev, &num);
if (usb_interface == NULL)
{
(void)usb_close(dev_handle);
if (0 == num)
DEBUG_CRITICAL3("Can't find a CCID interface on %s/%s",
bus->dirname, dev->filename);
interface_number = -1;
continue;
}
if (usb_interface->altsetting->extralen != 54)
{
(void)usb_close(dev_handle);
DEBUG_CRITICAL4("Extra field for %s/%s has a wrong length: %d", bus->dirname, dev->filename, usb_interface->altsetting->extralen);
return STATUS_UNSUCCESSFUL;
}
interface = usb_interface->altsetting->bInterfaceNumber;
if (interface_number >= 0 && interface != interface_number)
{
/* an interface was specified and it is not the
* current one */
DEBUG_INFO3("Wrong interface for USB device %s/%s."
" Checking next one.", bus->dirname, dev->filename);
/* check for another CCID interface on the same device */
num++;
goto again;
}
if (usb_claim_interface(dev_handle, interface) < 0)
{
(void)usb_close(dev_handle);
DEBUG_CRITICAL4("Can't claim interface %s/%s: %s",
bus->dirname, dev->filename, strerror(errno));
interface_number = -1;
continue;
}
DEBUG_INFO4("Found Vendor/Product: %04X/%04X (%s)",
dev->descriptor.idVendor,
dev->descriptor.idProduct, keyValue);
DEBUG_INFO3("Using USB bus/device: %s/%s",
bus->dirname, dev->filename);
/* check for firmware bugs */
if (ccid_check_firmware(dev))
{
(void)usb_close(dev_handle);
return STATUS_UNSUCCESSFUL;
}
#ifdef USE_COMPOSITE_AS_MULTISLOT
/* use the next interface for the next "slot" */
static_interface++;
/* reset for a next reader */
if (static_interface > 2)
static_interface = 1;
#endif
/* Get Endpoints values*/
(void)get_end_points(dev, &usbDevice[reader_index], num);
/* store device information */
usbDevice[reader_index].handle = dev_handle;
usbDevice[reader_index].dirname = strdup(bus->dirname);
usbDevice[reader_index].filename = strdup(dev->filename);
usbDevice[reader_index].interface = interface;
usbDevice[reader_index].real_nb_opened_slots = 1;
usbDevice[reader_index].nb_opened_slots = &usbDevice[reader_index].real_nb_opened_slots;
/* CCID common informations */
usbDevice[reader_index].ccid.real_bSeq = 0;
usbDevice[reader_index].ccid.pbSeq = &usbDevice[reader_index].ccid.real_bSeq;
usbDevice[reader_index].ccid.readerID =
(dev->descriptor.idVendor << 16) +
dev->descriptor.idProduct;
usbDevice[reader_index].ccid.dwFeatures = dw2i(usb_interface->altsetting->extra, 40);
usbDevice[reader_index].ccid.wLcdLayout =
(usb_interface->altsetting->extra[51] << 8) +
usb_interface->altsetting->extra[50];
usbDevice[reader_index].ccid.bPINSupport = usb_interface->altsetting->extra[52];
usbDevice[reader_index].ccid.dwMaxCCIDMessageLength = dw2i(usb_interface->altsetting->extra, 44);
usbDevice[reader_index].ccid.dwMaxIFSD = dw2i(usb_interface->altsetting->extra, 28);
usbDevice[reader_index].ccid.dwDefaultClock = dw2i(usb_interface->altsetting->extra, 10);
usbDevice[reader_index].ccid.dwMaxDataRate = dw2i(usb_interface->altsetting->extra, 23);
usbDevice[reader_index].ccid.bMaxSlotIndex = usb_interface->altsetting->extra[4];
usbDevice[reader_index].ccid.bCurrentSlotIndex = 0;
usbDevice[reader_index].ccid.readTimeout = DEFAULT_COM_READ_TIMEOUT;
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = get_data_rates(reader_index, dev, num);
usbDevice[reader_index].ccid.bInterfaceProtocol = usb_interface->altsetting->bInterfaceProtocol;
usbDevice[reader_index].ccid.bNumEndpoints = usb_interface->altsetting->bNumEndpoints;
usbDevice[reader_index].ccid.dwSlotStatus = IFD_ICC_PRESENT;
usbDevice[reader_index].ccid.bVoltageSupport = usb_interface->altsetting->extra[5];
goto end;
}
}
}
}
end:
if (usbDevice[reader_index].handle == NULL)
return STATUS_NO_SUCH_DEVICE;
/* memorise the current reader_index so we can detect
* a new OpenUSBByName on a multi slot reader */
previous_reader_index = reader_index;
return STATUS_SUCCESS;
} /* OpenUSBByName */
/*****************************************************************************
*
* OpenUSBByName
*
****************************************************************************/
status_t OpenUSBByName(unsigned int reader_index, /*@null@*/ char *device)
{
unsigned int alias;
struct libusb_device_handle *dev_handle;
char infofile[FILENAME_MAX];
#ifndef __APPLE__
unsigned int device_vendor, device_product;
#endif
int interface_number = -1;
int i;
static int previous_reader_index = -1;
libusb_device **devs, *dev;
ssize_t cnt;
list_t plist, *values, *ifdVendorID, *ifdProductID, *ifdFriendlyName;
int rv;
int claim_failed = FALSE;
int return_value = STATUS_SUCCESS;
DEBUG_COMM3("Reader index: %X, Device: %s", reader_index, device);
#ifndef __APPLE__
/* device name specified */
if (device)
{
char *dirname;
/* format: usb:%04x/%04x, vendor, product */
if (strncmp("usb:", device, 4) != 0)
{
DEBUG_CRITICAL2("device name does not start with \"usb:\": %s",
device);
return STATUS_UNSUCCESSFUL;
}
if (sscanf(device, "usb:%x/%x", &device_vendor, &device_product) != 2)
{
DEBUG_CRITICAL2("device name can't be parsed: %s", device);
return STATUS_UNSUCCESSFUL;
}
/* format usb:%04x/%04x:libudev:%d:%s
* with %d set to
* 01 (or whatever the interface number is)
* and %s set to
* /dev/bus/usb/008/004
*/
if ((dirname = strstr(device, "libudev:")) != NULL)
{
/* convert the interface number */
interface_number = atoi(dirname + 8 /* "libudev:" */);
DEBUG_COMM2("interface_number: %d", interface_number);
}
}
#endif
/* is the reader_index already used? */
if (usbDevice[reader_index].dev_handle != NULL)
{
DEBUG_CRITICAL2("USB driver with index %X already in use",
reader_index);
return STATUS_UNSUCCESSFUL;
}
/* Info.plist full patch filename */
(void)snprintf(infofile, sizeof(infofile), "%s/%s/Contents/Info.plist",
PCSCLITE_HP_DROPDIR, BUNDLE);
DEBUG_INFO2("Using: %s", infofile);
rv = bundleParse(infofile, &plist);
if (rv)
return STATUS_UNSUCCESSFUL;
#define GET_KEY(key, values) \
rv = LTPBundleFindValueWithKey(&plist, key, &values); \
if (rv) \
{ \
DEBUG_CRITICAL2("Value/Key not defined for " key " in %s", infofile); \
return_value = STATUS_UNSUCCESSFUL; \
goto end1; \
} \
else \
DEBUG_INFO2(key ": %s", (char *)list_get_at(values, 0));
/* general driver info */
GET_KEY("ifdManufacturerString", values)
GET_KEY("ifdProductString", values)
GET_KEY("Copyright", values)
if (NULL == ctx)
{
rv = libusb_init(&ctx);
if (rv != 0)
{
DEBUG_CRITICAL2("libusb_init failed: %d", rv);
return_value = STATUS_UNSUCCESSFUL;
goto end1;
}
}
cnt = libusb_get_device_list(ctx, &devs);
if (cnt < 0)
{
DEBUG_CRITICAL("libusb_get_device_list() failed\n");
return_value = STATUS_UNSUCCESSFUL;
goto end1;
}
#define GET_KEYS(key, values) \
rv = LTPBundleFindValueWithKey(&plist, key, values); \
if (rv) \
{ \
DEBUG_CRITICAL2("Value/Key not defined for " key " in %s", infofile); \
return_value = STATUS_UNSUCCESSFUL; \
goto end2; \
}
GET_KEYS("ifdVendorID", &ifdVendorID)
GET_KEYS("ifdProductID", &ifdProductID);
GET_KEYS("ifdFriendlyName", &ifdFriendlyName)
/* The 3 lists do not have the same size */
if ((list_size(ifdVendorID) != list_size(ifdProductID))
|| (list_size(ifdVendorID) != list_size(ifdFriendlyName)))
{
DEBUG_CRITICAL2("Error parsing %s", infofile);
return_value = STATUS_UNSUCCESSFUL;
goto end1;
}
/* for any supported reader */
for (alias=0; alias<list_size(ifdVendorID); alias++)
{
unsigned int vendorID, productID;
char *friendlyName;
vendorID = strtoul(list_get_at(ifdVendorID, alias), NULL, 0);
productID = strtoul(list_get_at(ifdProductID, alias), NULL, 0);
friendlyName = list_get_at(ifdFriendlyName, alias);
#ifndef __APPLE__
/* the device was specified but is not the one we are trying to find */
if (device
&& (vendorID != device_vendor || productID != device_product))
continue;
#else
/* Leopard puts the friendlyname in the device argument */
if (device && strcmp(device, friendlyName))
continue;
#endif
/* for every device */
i = 0;
while ((dev = devs[i++]) != NULL)
{
struct libusb_device_descriptor desc;
struct libusb_config_descriptor *config_desc;
uint8_t bus_number = libusb_get_bus_number(dev);
uint8_t device_address = libusb_get_device_address(dev);
int r = libusb_get_device_descriptor(dev, &desc);
if (r < 0)
{
DEBUG_INFO3("failed to get device descriptor for %d/%d",
bus_number, device_address);
continue;
}
if (desc.idVendor == vendorID && desc.idProduct == productID)
{
int already_used;
const struct libusb_interface *usb_interface = NULL;
int interface;
int num = 0;
const unsigned char *device_descriptor;
#if defined(USE_COMPOSITE_AS_MULTISLOT) || defined(__APPLE__)
int readerID = (vendorID << 16) + productID;
#endif
#ifdef USE_COMPOSITE_AS_MULTISLOT
static int static_interface = 1;
/* simulate a composite device as when libudev is used */
if ((GEMALTOPROXDU == readerID)
|| (GEMALTOPROXSU == readerID))
{
/*
* We can't talk to the two CCID interfaces
* at the same time (the reader enters a
* dead lock). So we simulate a multi slot
* reader. By default multi slot readers
* can't use the slots at the same time. See
* TAG_IFD_SLOT_THREAD_SAFE
*
* One side effect is that the two readers
* are seen by pcscd as one reader so the
* interface name is the same for the two.
*
* So we have:
* 0: Gemalto Prox-DU [Prox-DU Contact_09A00795] (09A00795) 00 00
* 1: Gemalto Prox-DU [Prox-DU Contact_09A00795] (09A00795) 00 01
* instead of
* 0: Gemalto Prox-DU [Prox-DU Contact_09A00795] (09A00795) 00 00
* 1: Gemalto Prox-DU [Prox-DU Contactless_09A00795] (09A00795) 01 00
*/
/* the CCID interfaces are 1 and 2 */
interface_number = static_interface;
}
#endif
/* is it already opened? */
already_used = FALSE;
DEBUG_COMM3("Checking device: %d/%d",
bus_number, device_address);
for (r=0; r<CCID_DRIVER_MAX_READERS; r++)
{
if (usbDevice[r].dev_handle)
{
/* same bus, same address */
if (usbDevice[r].bus_number == bus_number
&& usbDevice[r].device_address == device_address)
already_used = TRUE;
}
}
/* this reader is already managed by us */
if (already_used)
{
if ((previous_reader_index != -1)
&& usbDevice[previous_reader_index].dev_handle
&& (usbDevice[previous_reader_index].bus_number == bus_number)
&& (usbDevice[previous_reader_index].device_address == device_address)
&& usbDevice[previous_reader_index].ccid.bCurrentSlotIndex < usbDevice[previous_reader_index].ccid.bMaxSlotIndex)
{
/* we reuse the same device
* and the reader is multi-slot */
usbDevice[reader_index] = usbDevice[previous_reader_index];
/* the other slots do not have the same data rates */
if ((GEMCOREPOSPRO == usbDevice[reader_index].ccid.readerID)
|| (GEMCORESIMPRO == usbDevice[reader_index].ccid.readerID))
{
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = SerialCustomDataRates;
usbDevice[reader_index].ccid.dwMaxDataRate = 125000;
}
*usbDevice[reader_index].nb_opened_slots += 1;
usbDevice[reader_index].ccid.bCurrentSlotIndex++;
usbDevice[reader_index].ccid.dwSlotStatus =
IFD_ICC_PRESENT;
DEBUG_INFO2("Opening slot: %d",
usbDevice[reader_index].ccid.bCurrentSlotIndex);
goto end;
}
else
{
/* if an interface number is given by HAL we
* continue with this device. */
if (-1 == interface_number)
{
DEBUG_INFO3("USB device %d/%d already in use."
" Checking next one.",
bus_number, device_address);
continue;
}
}
}
DEBUG_COMM3("Trying to open USB bus/device: %d/%d",
bus_number, device_address);
r = libusb_open(dev, &dev_handle);
if (r < 0)
{
DEBUG_CRITICAL4("Can't libusb_open(%d/%d): %d",
bus_number, device_address, r);
continue;
}
again:
#ifdef __APPLE__
/* Some early Gemalto Ezio CB+ readers have
* bDeviceClass, bDeviceSubClass and bDeviceProtocol set
* to 0xFF (proprietary) instead of 0x00.
*
* So on Mac OS X the reader configuration is not done
* by the OS/kernel and we do it ourself.
*/
if (GEMALTO_EZIO_CBP == readerID)
{
r = libusb_set_configuration(dev_handle, 1);
if (r < 0)
{
(void)libusb_close(dev_handle);
DEBUG_CRITICAL4("Can't set configuration on %d/%d: %d",
bus_number, device_address, r);
continue;
}
}
#endif
r = libusb_get_active_config_descriptor(dev, &config_desc);
if (r < 0)
{
(void)libusb_close(dev_handle);
DEBUG_CRITICAL4("Can't get config descriptor on %d/%d: %d",
bus_number, device_address, r);
continue;
}
usb_interface = get_ccid_usb_interface(config_desc, &num);
if (usb_interface == NULL)
{
(void)libusb_close(dev_handle);
if (0 == num)
DEBUG_CRITICAL3("Can't find a CCID interface on %d/%d",
bus_number, device_address);
interface_number = -1;
continue;
}
device_descriptor = get_ccid_device_descriptor(usb_interface);
if (NULL == device_descriptor)
{
(void)libusb_close(dev_handle);
DEBUG_CRITICAL3("Unable to find the device descriptor for %d/%d",
bus_number, device_address);
return_value = STATUS_UNSUCCESSFUL;
goto end2;
}
interface = usb_interface->altsetting->bInterfaceNumber;
if (interface_number >= 0 && interface != interface_number)
{
/* an interface was specified and it is not the
* current one */
DEBUG_INFO3("Found interface %d but expecting %d",
interface_number, interface);
DEBUG_INFO3("Wrong interface for USB device %d/%d."
" Checking next one.", bus_number, device_address);
/* check for another CCID interface on the same device */
num++;
goto again;
}
r = libusb_claim_interface(dev_handle, interface);
if (r < 0)
{
(void)libusb_close(dev_handle);
DEBUG_CRITICAL4("Can't claim interface %d/%d: %d",
bus_number, device_address, r);
claim_failed = TRUE;
interface_number = -1;
continue;
}
DEBUG_INFO4("Found Vendor/Product: %04X/%04X (%s)",
desc.idVendor, desc.idProduct, friendlyName);
DEBUG_INFO3("Using USB bus/device: %d/%d",
bus_number, device_address);
/* check for firmware bugs */
if (ccid_check_firmware(&desc))
{
(void)libusb_close(dev_handle);
return_value = STATUS_UNSUCCESSFUL;
goto end2;
}
#ifdef USE_COMPOSITE_AS_MULTISLOT
/* use the next interface for the next "slot" */
static_interface++;
/* reset for a next reader */
if (static_interface > 2)
static_interface = 1;
#endif
/* Get Endpoints values*/
(void)get_end_points(config_desc, &usbDevice[reader_index], num);
/* store device information */
usbDevice[reader_index].dev_handle = dev_handle;
usbDevice[reader_index].bus_number = bus_number;
usbDevice[reader_index].device_address = device_address;
usbDevice[reader_index].interface = interface;
usbDevice[reader_index].real_nb_opened_slots = 1;
usbDevice[reader_index].nb_opened_slots = &usbDevice[reader_index].real_nb_opened_slots;
usbDevice[reader_index].polling_transfer = NULL;
/* CCID common informations */
usbDevice[reader_index].ccid.real_bSeq = 0;
usbDevice[reader_index].ccid.pbSeq = &usbDevice[reader_index].ccid.real_bSeq;
usbDevice[reader_index].ccid.readerID =
(desc.idVendor << 16) + desc.idProduct;
usbDevice[reader_index].ccid.dwFeatures = dw2i(device_descriptor, 40);
usbDevice[reader_index].ccid.wLcdLayout =
(device_descriptor[51] << 8) + device_descriptor[50];
usbDevice[reader_index].ccid.bPINSupport = device_descriptor[52];
usbDevice[reader_index].ccid.dwMaxCCIDMessageLength = dw2i(device_descriptor, 44);
usbDevice[reader_index].ccid.dwMaxIFSD = dw2i(device_descriptor, 28);
usbDevice[reader_index].ccid.dwDefaultClock = dw2i(device_descriptor, 10);
usbDevice[reader_index].ccid.dwMaxDataRate = dw2i(device_descriptor, 23);
usbDevice[reader_index].ccid.bMaxSlotIndex = device_descriptor[4];
usbDevice[reader_index].ccid.bCurrentSlotIndex = 0;
usbDevice[reader_index].ccid.readTimeout = DEFAULT_COM_READ_TIMEOUT;
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = get_data_rates(reader_index, config_desc, num);
usbDevice[reader_index].ccid.bInterfaceProtocol = usb_interface->altsetting->bInterfaceProtocol;
usbDevice[reader_index].ccid.bNumEndpoints = usb_interface->altsetting->bNumEndpoints;
usbDevice[reader_index].ccid.dwSlotStatus = IFD_ICC_PRESENT;
usbDevice[reader_index].ccid.bVoltageSupport = device_descriptor[5];
usbDevice[reader_index].ccid.sIFD_serial_number = NULL;
usbDevice[reader_index].ccid.gemalto_firmware_features = NULL;
if (desc.iSerialNumber)
{
unsigned char serial[128];
int ret;
ret = libusb_get_string_descriptor_ascii(dev_handle,
desc.iSerialNumber, serial,
sizeof(serial));
if (ret > 0)
usbDevice[reader_index].ccid.sIFD_serial_number
= strdup((char *)serial);
}
usbDevice[reader_index].ccid.sIFD_iManufacturer = NULL;
if (desc.iManufacturer)
{
unsigned char iManufacturer[128];
int ret;
ret = libusb_get_string_descriptor_ascii(dev_handle,
desc.iManufacturer, iManufacturer,
sizeof(iManufacturer));
if (ret > 0)
usbDevice[reader_index].ccid.sIFD_iManufacturer
= strdup((char *)iManufacturer);
}
usbDevice[reader_index].ccid.IFD_bcdDevice = desc.bcdDevice;
goto end;
}
}
}
end:
if (usbDevice[reader_index].dev_handle == NULL)
{
/* does not work for libusb <= 1.0.8 */
/* libusb_exit(ctx); */
if (claim_failed)
return STATUS_COMM_ERROR;
return STATUS_NO_SUCH_DEVICE;
}
/* memorise the current reader_index so we can detect
* a new OpenUSBByName on a multi slot reader */
previous_reader_index = reader_index;
end2:
/* free the libusb allocated list & devices */
libusb_free_device_list(devs, 1);
end1:
/* free bundle list */
bundleRelease(&plist);
return return_value;
} /* OpenUSBByName */
/*****************************************************************************
*
* 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 */