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ccid_usb.c
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ccid_usb.c
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/*
ccid_usb.c: USB access routines using the libusb library
Copyright (C) 2003-2010 Ludovic Rousseau
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define __CCID_USB__
#include <stdio.h>
#include <string.h>
# ifdef S_SPLINT_S
# include <sys/types.h>
# endif
#include <libusb.h>
#include <stdlib.h>
#include <pthread.h>
#include <sys/time.h>
#include <ifdhandler.h>
#include <config.h>
#include "misc.h"
#include "ccid.h"
#include "debug.h"
#include "defs.h"
#include "utils.h"
#include "parser.h"
#include "ccid_ifdhandler.h"
/* write timeout
* we don't have to wait a long time since the card was doing nothing */
#define USB_WRITE_TIMEOUT (5 * 1000) /* 5 seconds timeout */
/*
* Proprietary USB Class (0xFF) are (or are not) accepted
* A proprietary class is used for devices released before the final CCID
* specifications were ready.
* We should not have problems with non CCID devices because the
* Manufacturer and Product ID are also used to identify the device */
#define ALLOW_PROPRIETARY_CLASS
#define BUS_DEVICE_STRSIZE 32
/* Using the default libusb context */
/* does not work for libusb <= 1.0.8 */
/* #define ctx NULL */
libusb_context *ctx = NULL;
#define CCID_INTERRUPT_SIZE 8
struct usbDevice_MultiSlot_Extension
{
int reader_index;
/* The multi-threaded polling part */
int terminated;
int status;
unsigned char buffer[CCID_INTERRUPT_SIZE];
pthread_t thread_proc;
pthread_mutex_t mutex;
pthread_cond_t condition;
struct libusb_transfer *transfer;
};
typedef struct
{
libusb_device_handle *dev_handle;
uint8_t bus_number;
uint8_t device_address;
int interface;
/*
* Endpoints
*/
int bulk_in;
int bulk_out;
int interrupt;
/* Number of slots using the same device */
int real_nb_opened_slots;
int *nb_opened_slots;
/*
* CCID infos common to USB and serial
*/
_ccid_descriptor ccid;
/* libusb transfer for the polling (or NULL) */
struct libusb_transfer *polling_transfer;
/* pointer to the multislot extension (if any) */
struct usbDevice_MultiSlot_Extension *multislot_extension;
char disconnected;
} _usbDevice;
/* The _usbDevice structure must be defined before including ccid_usb.h */
#include "ccid_usb.h"
/* Specific hooks for multislot readers */
static int Multi_InterruptRead(int reader_index, int timeout /* in ms */);
static void Multi_InterruptStop(int reader_index);
static struct usbDevice_MultiSlot_Extension *Multi_CreateFirstSlot(int reader_index);
static struct usbDevice_MultiSlot_Extension *Multi_CreateNextSlot(int physical_reader_index);
static void Multi_PollingTerminate(struct usbDevice_MultiSlot_Extension *msExt);
static int get_end_points(struct libusb_config_descriptor *desc,
_usbDevice *usbdevice, int num);
int ccid_check_firmware(struct libusb_device_descriptor *desc);
static unsigned int *get_data_rates(unsigned int reader_index,
struct libusb_config_descriptor *desc, int num);
/* ne need to initialize to 0 since it is static */
static _usbDevice usbDevice[CCID_DRIVER_MAX_READERS];
#define PCSCLITE_MANUKEY_NAME "ifdVendorID"
#define PCSCLITE_PRODKEY_NAME "ifdProductID"
#define PCSCLITE_NAMEKEY_NAME "ifdFriendlyName"
struct _bogus_firmware
{
int vendor; /* idVendor */
int product; /* idProduct */
int firmware; /* bcdDevice: previous firmwares have bugs */
};
static struct _bogus_firmware Bogus_firmwares[] = {
{ 0x04e6, 0xe001, 0x0516 }, /* SCR 331 */
{ 0x04e6, 0x5111, 0x0620 }, /* SCR 331-DI */
{ 0x04e6, 0xe003, 0x0510 }, /* SPR 532 */
{ 0x0D46, 0x3001, 0x0037 }, /* KAAN Base */
{ 0x0D46, 0x3002, 0x0037 }, /* KAAN Advanced */
{ 0x09C3, 0x0008, 0x0203 }, /* ActivCard V2 */
{ 0x0DC3, 0x1004, 0x0502 }, /* ASE IIIe USBv2 */
{ 0x0DC3, 0x1102, 0x0607 }, /* ASE IIIe KB USB */
{ 0x058F, 0x9520, 0x0102 }, /* Alcor AU9520-G */
{ 0x072F, 0x2200, 0x0206 }, /* ACS ACR122U-WB-R */
{ 0x08C3, 0x0402, 0x5000 }, /* Precise Biometrics Precise 200 MC */
{ 0x08C3, 0x0401, 0x5000 }, /* Precise Biometrics Precise 250 MC */
{ 0x0B0C, 0x0050, 0x0101 }, /* Todos Argos Mini II */
{ 0x0DC3, 0x0900, 0x0200 }, /* Athena IDProtect Key v2 */
{ 0x03F0, 0x0036, 0x0124 }, /* HP USB CCID Smartcard Keyboard */
{ 0x062D, 0x0001, 0x0102 }, /* THRC Smart Card Reader */
{ 0x04E6, 0x5291, 0x0112 }, /* SCM SCL010 Contactless Reader */
/* the firmware version is not correct since I do not have received a
* working reader yet */
#ifndef O2MICRO_OZ776_PATCH
{ 0x0b97, 0x7762, 0x0111 }, /* Oz776S */
#endif
};
/* data rates supported by the secondary slots on the GemCore Pos Pro & SIM Pro */
unsigned int SerialCustomDataRates[] = { GEMPLUS_CUSTOM_DATA_RATES, 0 };
/*****************************************************************************
*
* close_libusb_if_needed
*
****************************************************************************/
static void close_libusb_if_needed(void)
{
int i, to_exit = TRUE;
if (NULL == ctx)
return;
/* if at least 1 reader is still in use we do not exit libusb */
for (i=0; i<CCID_DRIVER_MAX_READERS; i++)
{
if (usbDevice[i].dev_handle != NULL)
to_exit = FALSE;
}
if (to_exit)
{
DEBUG_INFO1("libusb_exit");
libusb_exit(ctx);
ctx = NULL;
}
} /* close_libusb_if_needed */
/*****************************************************************************
*
* OpenUSB
*
****************************************************************************/
status_t OpenUSB(unsigned int reader_index, /*@unused@*/ int Channel)
{
(void)Channel;
return OpenUSBByName(reader_index, NULL);
} /* OpenUSB */
/*****************************************************************************
*
* 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;
unsigned int device_bus = 0;
unsigned int device_addr = 0;
#else
/* 100 ms delay */
struct timespec sleep_time = { 0, 100 * 1000 * 1000 };
int count_libusb = 10;
#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, bus and device ids */
if (sscanf(dirname + 8, "%d:/dev/bus/usb/%d/%d", &interface_number, &device_bus, &device_addr) == 3) {
DEBUG_COMM2("interface_number: %d", interface_number);
DEBUG_COMM3("usb bus/device: %d/%d", device_bus, device_addr);
}
}
else
{
/* format usb:%04x/%04x:libusb-1.0:%d:%d:%d */
if ((dirname = strstr(device, "libusb-1.0:")) != NULL)
{
/* convert the interface number, bus and device ids */
if (sscanf(dirname + 11, "%d:%d:%d",
&device_bus, &device_addr, &interface_number) == 3)
{
DEBUG_COMM2("interface_number: %d", interface_number);
DEBUG_COMM3("usb bus/device: %d/%d", device_bus,
device_addr);
}
}
}
}
#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: %s", libusb_error_name(rv));
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 end1; \
}
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;
}
#ifdef __APPLE__
again_libusb:
#endif
cnt = libusb_get_device_list(ctx, &devs);
if (cnt < 0)
{
DEBUG_CRITICAL("libusb_get_device_list() failed\n");
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);
#ifndef __APPLE__
if ((device_bus || device_addr)
&& ((bus_number != device_bus)
|| (device_address != device_addr))) {
/* not the USB device we are looking for */
continue;
}
#endif
DEBUG_COMM3("Try device: %d/%d", bus_number, device_address);
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;
}
DEBUG_COMM3("vid/pid : %04X/%04X", desc.idVendor, desc.idProduct);
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;
int readerID = (vendorID << 16) + productID;
#ifdef USE_COMPOSITE_AS_MULTISLOT
/* use the first CCID interface on first call */
static int static_interface = -1;
int max_interface_number = 2;
/* simulate a composite device as when libudev is used */
if ((GEMALTOPROXDU == readerID)
|| (GEMALTOPROXSU == readerID)
|| (HID_OMNIKEY_5422 == readerID)
|| (FEITIANR502DUAL == 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
*/
/* for the Gemalto Prox-DU/SU the interfaces are:
* 0: Prox-DU HID (not used)
* 1: Prox-DU Contactless (CCID)
* 2: Prox-DU Contact (CCID)
*
* For the Feitian R502 the interfaces are:
* 0: R502 Contactless Reader (CCID)
* 1: R502 Contact Reader (CCID)
* 2: R502 SAM1 Reader (CCID)
* 3: R502 SAM2 Reader (CCID)
*
* For the HID Omnikey 5422 the interfaces are:
* 0: OMNIKEY 5422CL Smartcard Reader
* 1: OMNIKEY 5422 Smartcard Reader
*/
interface_number = static_interface;
if (HID_OMNIKEY_5422 == readerID)
/* only 2 interfaces for this device */
max_interface_number = 1;
if (FEITIANR502DUAL == readerID)
/* 4 interfaces for Feitian R502 reader */
max_interface_number = 3;
}
#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 of GemCore SIM Pro firmware
* 1.0 do not have the same data rates.
* Firmware 2.0 do not have this limitation */
if ((GEMCOREPOSPRO == readerID)
|| ((GEMCORESIMPRO == readerID)
&& (usbDevice[reader_index].ccid.IFD_bcdDevice < 0x0200)))
{
/* Allocate a memory buffer that will be
* released in CloseUSB() */
void *ptr = malloc(sizeof SerialCustomDataRates);
if (ptr)
{
memcpy(ptr, SerialCustomDataRates,
sizeof SerialCustomDataRates);
}
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = ptr;
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);
/* This is a multislot reader
* Init the multislot stuff for this next slot */
usbDevice[reader_index].multislot_extension = Multi_CreateNextSlot(previous_reader_index);
goto end;
}
else
{
/* if an interface number is given by udev 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): %s",
bus_number, device_address, libusb_error_name(r));
continue;
}
again:
r = libusb_get_active_config_descriptor(dev, &config_desc);
if (r < 0)
{
#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 ((0xFF == desc.bDeviceClass)
&& (0xFF == desc.bDeviceSubClass)
&& (0xFF == desc.bDeviceProtocol))
{
r = libusb_set_configuration(dev_handle, 1);
if (r < 0)
{
(void)libusb_close(dev_handle);
DEBUG_CRITICAL4("Can't set configuration on %d/%d: %s",
bus_number, device_address,
libusb_error_name(r));
continue;
}
}
/* recall */
r = libusb_get_active_config_descriptor(dev, &config_desc);
if (r < 0)
{
#endif
(void)libusb_close(dev_handle);
DEBUG_CRITICAL4("Can't get config descriptor on %d/%d: %s",
bus_number, device_address, libusb_error_name(r));
continue;
}
#ifdef __APPLE__
}
#endif
usb_interface = get_ccid_usb_interface(config_desc, &num);
if (usb_interface == NULL)
{
libusb_free_config_descriptor(config_desc);
(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)
{
libusb_free_config_descriptor(config_desc);
(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)
{
libusb_free_config_descriptor(config_desc);
/* an interface was specified and it is not the
* current one */
DEBUG_INFO3("Found interface %d but expecting %d",
interface, interface_number);
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)
{
libusb_free_config_descriptor(config_desc);
(void)libusb_close(dev_handle);
DEBUG_CRITICAL4("Can't claim interface %d/%d: %s",
bus_number, device_address, libusb_error_name(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))
{
libusb_free_config_descriptor(config_desc);
(void)libusb_close(dev_handle);
return_value = STATUS_UNSUCCESSFUL;
goto end2;
}
#ifdef USE_COMPOSITE_AS_MULTISLOT
if ((GEMALTOPROXDU == readerID)
|| (GEMALTOPROXSU == readerID)
|| (HID_OMNIKEY_5422 == readerID)
|| (FEITIANR502DUAL == readerID))
{
/* use the next interface for the next "slot" */
static_interface = interface + 1;
/* reset for a next reader */
/* max interface number for all 3 readers is 2 */
if (static_interface > max_interface_number)
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;
usbDevice[reader_index].disconnected = FALSE;
/* 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;
if (device_descriptor[27])
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = get_data_rates(reader_index, config_desc, num);
else
{
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = NULL;
DEBUG_INFO1("bNumDataRatesSupported is 0");
}
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;
usbDevice[reader_index].ccid.dwProtocols = dw2i(device_descriptor, 6);
#ifdef ENABLE_ZLP
usbDevice[reader_index].ccid.zlp = FALSE;
#endif
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;
/* If this is a multislot reader, init the multislot stuff */
if (usbDevice[reader_index].ccid.bMaxSlotIndex)
usbDevice[reader_index].multislot_extension = Multi_CreateFirstSlot(reader_index);
else
usbDevice[reader_index].multislot_extension = NULL;
libusb_free_config_descriptor(config_desc);
goto end;
}
}
}
end:
if (usbDevice[reader_index].dev_handle == NULL)
{
/* free the libusb allocated list & devices */
libusb_free_device_list(devs, 1);
#ifdef __APPLE__
/* give some time to libusb to detect the new USB devices on Mac OS X */
if (count_libusb > 0)
{
count_libusb--;
DEBUG_INFO2("Wait after libusb: %d", count_libusb);
nanosleep(&sleep_time, NULL);
goto again_libusb;
}
#endif
/* free bundle list */
bundleRelease(&plist);
/* failed */
close_libusb_if_needed();
if (claim_failed)
return STATUS_COMM_ERROR;
DEBUG_INFO1("Device not found?");
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);
if (return_value != STATUS_SUCCESS)
close_libusb_if_needed();
return return_value;
} /* OpenUSBByName */
/*****************************************************************************
*
* 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].disconnected)
{
DEBUG_COMM("Reader disconnected");
return STATUS_NO_SUCH_DEVICE;
}
#ifdef ENABLE_ZLP
if (usbDevice[reader_index].ccid.zlp)
{ /* Zero Length Packet */
int dummy_length;
/* try to read a ZLP so transfer length = 0
* timeout of 10 ms */
(void)libusb_bulk_transfer(usbDevice[reader_index].dev_handle,
usbDevice[reader_index].bulk_in, NULL, 0, &dummy_length, 10);
}
#endif
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, libusb_error_name(rv));
if (LIBUSB_ERROR_NO_DEVICE == rv)
return STATUS_NO_SUCH_DEVICE;
return STATUS_UNSUCCESSFUL;
}
return STATUS_SUCCESS;
} /* WriteUSB */
/*****************************************************************************
*
* 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;
if (usbDevice[reader_index].disconnected)
{
DEBUG_COMM("Reader disconnected");
return STATUS_NO_SUCH_DEVICE;
}
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, libusb_error_name(rv));
if (LIBUSB_ERROR_NO_DEVICE == rv)
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 +1)
&& (buffer[BSEQ_OFFSET] < *ccid_descriptor->pbSeq -1))
{
duplicate_frame++;
if (duplicate_frame > 10)
{
DEBUG_CRITICAL("Too many duplicate frame detected");
return STATUS_UNSUCCESSFUL;
}
DEBUG_INFO1("Duplicate frame detected");
goto read_again;
}
return STATUS_SUCCESS;
} /* ReadUSB */
/*****************************************************************************
*
* CloseUSB
*
****************************************************************************/
status_t CloseUSB(unsigned int reader_index)
{
/* device not opened */
if (usbDevice[reader_index].dev_handle == NULL)
return STATUS_UNSUCCESSFUL;
DEBUG_COMM3("Closing USB device: %d/%d",
usbDevice[reader_index].bus_number,
usbDevice[reader_index].device_address);
/* one slot closed */
(*usbDevice[reader_index].nb_opened_slots)--;
/* release the allocated ressources for the last slot only */
if (0 == *usbDevice[reader_index].nb_opened_slots)
{
struct usbDevice_MultiSlot_Extension *msExt;
DEBUG_COMM("Last slot closed. Release resources");
msExt = usbDevice[reader_index].multislot_extension;
/* If this is a multislot reader, close using the multislot stuff */
if (msExt)
{
/* terminate the interrupt waiter thread */
Multi_PollingTerminate(msExt);
/* wait for the thread to actually terminate */
pthread_join(msExt->thread_proc, NULL);
/* release the shared objects */
pthread_cond_destroy(&msExt->condition);
pthread_mutex_destroy(&msExt->mutex);
/* Deallocate the extension itself */
free(msExt);
/* Stop the slot */
usbDevice[reader_index].multislot_extension = NULL;
}
if (usbDevice[reader_index].ccid.gemalto_firmware_features)
free(usbDevice[reader_index].ccid.gemalto_firmware_features);
if (usbDevice[reader_index].ccid.sIFD_serial_number)
free(usbDevice[reader_index].ccid.sIFD_serial_number);
if (usbDevice[reader_index].ccid.sIFD_iManufacturer)