Example #1
0
/*****************************************************************************
 *
 *					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 */
Example #2
0
static LONG HPReadBundleValues(void)
{
	LONG rv;
	DIR *hpDir;
	struct dirent *currFP = NULL;
	char fullPath[FILENAME_MAX];
	char fullLibPath[FILENAME_MAX];
	int listCount = 0;

	hpDir = opendir(PCSCLITE_HP_DROPDIR);

	if (NULL == hpDir)
	{
		Log1(PCSC_LOG_ERROR, "Cannot open PC/SC drivers directory: " PCSCLITE_HP_DROPDIR);
		Log1(PCSC_LOG_ERROR, "Disabling USB support for pcscd.");
		return -1;
	}

	/* allocate a first array */
	driverSize = DRIVER_TRACKER_INITIAL_SIZE;
	driverTracker = calloc(driverSize, sizeof(*driverTracker));
	if (NULL == driverTracker)
	{
		Log1(PCSC_LOG_CRITICAL, "Not enough memory");
		return -1;
	}

#define GET_KEY(key, values) \
	rv = LTPBundleFindValueWithKey(&plist, key, values); \
	if (rv) \
	{ \
		Log2(PCSC_LOG_ERROR, "Value/Key not defined for " key " in %s", \
			fullPath); \
		continue; \
	}

	while ((currFP = readdir(hpDir)) != 0)
	{
		if (strstr(currFP->d_name, ".bundle") != 0)
		{
			unsigned int alias;
			list_t plist, *values;
			list_t *manuIDs, *productIDs, *readerNames;
			char *CFBundleName;
			char *libraryPath;

			/*
			 * The bundle exists - let's form a full path name and get the
			 * vendor and product ID's for this particular bundle
			 */
			(void)snprintf(fullPath, sizeof(fullPath), "%s/%s/Contents/Info.plist",
				PCSCLITE_HP_DROPDIR, currFP->d_name);
			fullPath[sizeof(fullPath) - 1] = '\0';

			rv = bundleParse(fullPath, &plist);
			if (rv)
				continue;

			/* get CFBundleExecutable */
			GET_KEY(PCSCLITE_HP_LIBRKEY_NAME, &values)
			libraryPath = list_get_at(values, 0);
			(void)snprintf(fullLibPath, sizeof(fullLibPath),
				"%s/%s/Contents/%s/%s",
				PCSCLITE_HP_DROPDIR, currFP->d_name, PCSC_ARCH,
				libraryPath);
			fullLibPath[sizeof(fullLibPath) - 1] = '\0';

			GET_KEY(PCSCLITE_HP_MANUKEY_NAME, &manuIDs)
			GET_KEY(PCSCLITE_HP_PRODKEY_NAME, &productIDs)
			GET_KEY(PCSCLITE_HP_NAMEKEY_NAME, &readerNames)

			/* Get CFBundleName */
			rv = LTPBundleFindValueWithKey(&plist, PCSCLITE_HP_CFBUNDLE_NAME,
				&values);
			if (rv)
				CFBundleName = NULL;
			else
				CFBundleName = strdup(list_get_at(values, 0));

			/* while we find a nth ifdVendorID in Info.plist */
			for (alias=0; alias<list_size(manuIDs); alias++)
			{
				char *value;

				/* variables entries */
				value = list_get_at(manuIDs, alias);
				driverTracker[listCount].manuID = strtol(value, NULL, 16);

				value = list_get_at(productIDs, alias);
				driverTracker[listCount].productID = strtol(value, NULL, 16);

				driverTracker[listCount].readerName = strdup(list_get_at(readerNames, alias));

				/* constant entries for a same driver */
				driverTracker[listCount].bundleName = strdup(currFP->d_name);
				driverTracker[listCount].libraryPath = strdup(fullLibPath);
				driverTracker[listCount].CFBundleName = CFBundleName;

#ifdef DEBUG_HOTPLUG
				Log2(PCSC_LOG_INFO, "Found driver for: %s",
					driverTracker[listCount].readerName);
#endif
				listCount++;
				if (listCount >= driverSize)
				{
					int i;

					/* increase the array size */
					driverSize += DRIVER_TRACKER_SIZE_STEP;
#ifdef DEBUG_HOTPLUG
					Log2(PCSC_LOG_INFO,
						"Increase driverTracker to %d entries", driverSize);
#endif
					driverTracker = realloc(driverTracker,
						driverSize * sizeof(*driverTracker));
					if (NULL == driverTracker)
					{
						Log1(PCSC_LOG_CRITICAL, "Not enough memory");
						driverSize = -1;
						return -1;
					}

					/* clean the newly allocated entries */
					for (i=driverSize-DRIVER_TRACKER_SIZE_STEP; i<driverSize; i++)
					{
						driverTracker[i].manuID = 0;
						driverTracker[i].productID = 0;
						driverTracker[i].bundleName = NULL;
						driverTracker[i].libraryPath = NULL;
						driverTracker[i].readerName = NULL;
						driverTracker[i].CFBundleName = NULL;
					}
				}
			}
			bundleRelease(&plist);
		}
	}

	driverSize = listCount;
	(void)closedir(hpDir);

#ifdef DEBUG_HOTPLUG
	Log2(PCSC_LOG_INFO, "Found drivers for %d readers", listCount);
#endif

	return 0;
} /* HPReadBundleValues */