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/*
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parse.c: parse CCID structure
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Copyright (C) 2003-2004 Ludovic Rousseau
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* $Id$
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*/
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#include <stdio.h>
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#include <string.h>
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# ifdef S_SPLINT_S
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# include <sys/types.h>
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# endif
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#include <usb.h>
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#include <errno.h>
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#include "defs.h"
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#include "ccid.h"
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#ifndef TRUE
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#define TRUE 1
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#define FALSE 0
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#endif
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static int ccid_parse_interface_descriptor(usb_dev_handle *handle,
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struct usb_device *dev);
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/*****************************************************************************
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*
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* main
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*
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****************************************************************************/
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int main(void)
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{
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static struct usb_bus *busses = NULL;
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struct usb_bus *bus;
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struct usb_dev_handle *dev_handle;
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usb_init();
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usb_find_busses();
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usb_find_devices();
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busses = usb_get_busses();
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if (busses == NULL)
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{
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printf("No USB buses found\n");
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return -1;
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}
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/* on any USB buses */
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for (bus = busses; bus; bus = bus->next)
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{
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struct usb_device *dev;
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/* any device on this bus */
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for (dev = bus->devices; dev; dev = dev->next)
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{
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struct usb_interface *usb_interface = NULL;
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/* check if the device has bInterfaceClass == 11 */
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usb_interface = get_ccid_usb_interface(dev);
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if (NULL == usb_interface)
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continue;
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fprintf(stderr, "Trying to open USB bus/device: %s/%s\n",
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bus->dirname, dev->filename);
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dev_handle = usb_open(dev);
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if (NULL == dev_handle)
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{
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fprintf(stderr, "Can't usb_open(%s/%s): %s\n",
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bus->dirname, dev->filename, strerror(errno));
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continue;
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}
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/* now we found a free reader and we try to use it */
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if (NULL == dev->config)
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{
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usb_close(dev_handle);
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fprintf(stderr, "No dev->config found for %s/%s\n",
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bus->dirname, dev->filename);
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continue;
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}
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usb_interface = get_ccid_usb_interface(dev);
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if (NULL == usb_interface)
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{
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usb_close(dev_handle);
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fprintf(stderr, "Can't find a CCID interface on %s/%s\n",
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bus->dirname, dev->filename);
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continue;
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}
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ccid_parse_interface_descriptor(dev_handle, dev);
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usb_close(dev_handle);
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}
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}
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return 0;
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} /* main */
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/*****************************************************************************
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*
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* Parse a CCID USB Descriptor
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*
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****************************************************************************/
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static int ccid_parse_interface_descriptor(usb_dev_handle *handle,
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struct usb_device *dev)
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{
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struct usb_interface_descriptor *usb_interface;
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unsigned char *extra;
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char buffer[255];
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/*
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* Vendor/model name
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*/
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printf(" idVendor: 0x%04X\n", dev->descriptor.idVendor);
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if (usb_get_string_simple(handle, dev->descriptor.iManufacturer,
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buffer, sizeof(buffer)) < 0)
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{
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printf(" Can't get iManufacturer string\n");
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if (getuid())
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{
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printf("\33[01;31mPlease, restart the command as root\33[0m\n\n");
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return TRUE;
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}
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}
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else
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printf(" iManufacturer: %s\n", buffer);
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printf(" idProduct: 0x%04X\n", dev->descriptor.idProduct);
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if (usb_get_string_simple(handle, dev->descriptor.iProduct,
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buffer, sizeof(buffer)) < 0)
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printf(" Can't get iProduct string\n");
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else
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printf(" iProduct: %s\n", buffer);
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printf(" bcdDevice: %X.%02X (firmware release?)\n",
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dev->descriptor.bcdDevice >> 8, dev->descriptor.bcdDevice & 0xFF);
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usb_interface = get_ccid_usb_interface(dev)->altsetting;
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printf(" bLength: %d\n", usb_interface->bLength);
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printf(" bDescriptorType: %d\n", usb_interface->bDescriptorType);
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printf(" bInterfaceNumber: %d\n", usb_interface->bInterfaceNumber);
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printf(" bAlternateSetting: %d\n", usb_interface->bAlternateSetting);
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printf(" bNumEndpoints: %d\n", usb_interface->bNumEndpoints);
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printf(" bInterfaceClass: 0x%02X", usb_interface->bInterfaceClass);
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if (usb_interface->bInterfaceClass == 0x0b)
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printf(" [Chip Card Interface Device Class (CCID)]\n");
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else
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{
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printf("\n NOT A CCID DEVICE\n");
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if (usb_interface->bInterfaceClass != 0xFF)
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return TRUE;
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else
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printf(" Class is 0xFF (proprietary)\n");
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}
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printf(" bInterfaceSubClass: %d\n", usb_interface->bInterfaceSubClass);
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if (usb_interface->bInterfaceSubClass)
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printf(" UNSUPPORTED SubClass\n");
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printf(" bInterfaceProtocol: %d\n", usb_interface->bInterfaceProtocol);
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if (usb_interface->bInterfaceProtocol)
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printf(" UNSUPPORTED InterfaceProtocol\n");
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printf(" iInterface: %d\n", usb_interface->iInterface);
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if (usb_interface->extralen < 54)
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{
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printf("USB extra length is too short: %d\n", usb_interface->extralen);
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printf("\n NOT A CCID DEVICE\n");
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return TRUE;
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}
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/*
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* CCID Class Descriptor
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*/
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printf(" CCID Class Descriptor\n");
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extra = usb_interface->extra;
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printf(" bLength: 0x%02X\n", extra[0]);
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if (extra[0] != 0x36)
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{
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printf(" UNSUPPORTED bLength\n");
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return TRUE;
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}
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printf(" bDescriptorType: 0x%02X\n", extra[1]);
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if (extra[1] != 0x21)
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{
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if (0xFF == extra[1])
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printf(" PROPRIETARY bDescriptorType\n");
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else
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{
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printf(" UNSUPPORTED bDescriptorType\n");
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return TRUE;
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}
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}
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printf(" bcdCCID: %X.%02X\n", extra[3], extra[2]);
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printf(" bMaxSlotIndex: 0x%02X\n", extra[4]);
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printf(" bVoltageSupport: 0x%02X\n", extra[5]);
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if (extra[5] & 0x01)
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printf(" 5.0V\n");
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if (extra[5] & 0x02)
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printf(" 3.0V\n");
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if (extra[5] & 0x04)
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printf(" 1.8V\n");
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printf(" dwProtocols: 0x%02X%02X 0x%02X%02X\n", extra[9], extra[8],
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extra[7],extra[6]);
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if (extra[6] & 0x01)
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printf(" T=0\n");
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if (extra[6] & 0x02)
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printf(" T=1\n");
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printf(" dwDefaultClock: %.3f MHz\n", dw2i(extra, 10)/1000.0);
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printf(" dwMaximumClock: %.3f MHz\n", dw2i(extra, 14)/1000.0);
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printf(" bNumClockSupported: %d %s\n", extra[18],
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extra[18] ? "" : "(will use whatever is returned)");
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{
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unsigned char buffer[256*sizeof(int)]; /* maximum is 256 records */
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int n;
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/* See CCID 3.7.2 page 25 */
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n = usb_control_msg(handle,
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0xA1, /* request type */
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0x02, /* GET CLOCK FREQUENCIES */
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0x00, /* value */
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usb_interface->bInterfaceNumber, /* interface */
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(char *)buffer,
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sizeof(buffer),
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2 * 1000);
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/* we got an error? */
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if (n <= 0)
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printf(" IFD does not support GET CLOCK FREQUENCIES request\n");
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else
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if (n % 4) /* not a multiple of 4 */
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printf(" wrong size for GET CLOCK FREQUENCIES: %d\n", n);
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else
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{
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int i;
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/* we do not get the expected number of data rates */
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if ((n != extra[18]*4) && extra[18])
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{
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printf(" Got %d clock frequencies but was expecting %d\n",
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n/4, extra[18]);
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/* we got more data than expected */
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if (n > extra[18]*4)
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n = extra[18]*4;
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}
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for (i=0; i<n; i+=4)
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printf(" Support %d kHz\n", dw2i(buffer, i));
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}
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}
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printf(" dwDataRate: %d bps\n", dw2i(extra, 19));
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printf(" dwMaxDataRate: %d bps\n", dw2i(extra, 23));
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printf(" bNumDataRatesSupported: %d %s\n", extra[27],
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extra[27] ? "" : "(will use whatever is returned)");
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{
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unsigned char buffer[256*sizeof(int)]; /* maximum is 256 records */
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int n;
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/* See CCID 3.7.3 page 25 */
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n = usb_control_msg(handle,
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0xA1, /* request type */
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0x03, /* GET DATA RATES */
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0x00, /* value */
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usb_interface->bInterfaceNumber, /* interface */
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(char *)buffer,
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sizeof(buffer),
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2 * 1000);
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/* we got an error? */
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if (n <= 0)
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printf(" IFD does not support GET_DATA_RATES request\n");
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else
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if (n % 4) /* not a multiple of 4 */
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printf(" wrong size for GET_DATA_RATES: %d\n", n);
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else
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{
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int i;
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/* we do not get the expected number of data rates */
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if ((n != extra[27]*4) && extra[27])
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{
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printf(" Got %d data rates but was expecting %d\n", n/4,
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extra[27]);
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/* we got more data than expected */
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if (n > extra[27]*4)
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n = extra[27]*4;
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}
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for (i=0; i<n; i+=4)
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printf(" Support %d bps\n", dw2i(buffer, i));
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}
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}
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printf(" dwMaxIFSD: %d\n", dw2i(extra, 28));
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printf(" dwSynchProtocols: 0x%08X\n", dw2i(extra, 32));
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if (extra[32] & 0x01)
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printf(" 2-wire protocol\n");
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if (extra[32] & 0x02)
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printf(" 3-wire protocol\n");
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if (extra[32] & 0x04)
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printf(" I2C protocol\n");
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printf(" dwMechanical: 0x%08X\n", dw2i(extra, 36));
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if (extra[36] == 0)
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printf(" No special characteristics\n");
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if (extra[36] & 0x01)
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printf(" Card accept mechanism\n");
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if (extra[36] & 0x02)
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printf(" Card ejection mechanism\n");
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if (extra[36] & 0x04)
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printf(" Card capture mechanism\n");
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if (extra[36] & 0x08)
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printf(" Card lock/unlock mechanism\n");
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printf(" dwFeatures: 0x%08X\n", dw2i(extra, 40));
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if (dw2i(extra, 40) == 0)
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printf(" No special characteristics\n");
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if (extra[40] & 0x02)
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printf(" ....02 Automatic parameter configuration based on ATR data\n");
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if (extra[40] & 0x04)
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printf(" ....04 Automatic activation of ICC on inserting\n");
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if (extra[40] & 0x08)
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printf(" ....08 Automatic ICC voltage selection\n");
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if (extra[40] & 0x10)
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printf(" ....10 Automatic ICC clock frequency change according to parameters\n");
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if (extra[40] & 0x20)
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printf(" ....20 Automatic baud rate change according to frequency and Fi, Di params\n");
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if (extra[40] & 0x40)
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printf(" ....40 Automatic parameters negotiation made by the CCID\n");
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if (extra[40] & 0x80)
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printf(" ....80 Automatic PPS made by the CCID\n");
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if (extra[41] & 0x01)
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printf(" ..01.. CCID can set ICC in clock stop mode\n");
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if (extra[41] & 0x02)
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printf(" ..02.. NAD value other than 00 accepted (T=1)\n");
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if (extra[41] & 0x04)
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printf(" ..04.. Automatic IFSD exchange as first exchange (T=1)\n");
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switch (extra[42] & 0x07)
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{
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case 0x00:
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printf(" 00.... Character level exchange\n");
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break;
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case 0x01:
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printf(" 01.... TPDU level exchange\n");
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break;
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case 0x02:
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printf(" 02.... Short APDU level exchange\n");
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break;
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case 0x04:
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printf(" 04.... Short and Extended APDU level exchange\n");
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break;
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}
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printf(" dwMaxCCIDMessageLength: %d bytes\n", dw2i(extra, 44));
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printf(" bClassGetResponse: 0x%02X\n", extra[48]);
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if (0xFF == extra[48])
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printf(" echoes the APDU class\n");
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printf(" bClassEnveloppe: 0x%02X\n", extra[49]);
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if (0xFF == extra[49])
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printf(" echoes the APDU class\n");
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printf(" wLcdLayout: 0x%04X\n", (extra[51] << 8)+extra[50]);
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if (extra[50])
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printf(" %d lines\n", extra[50]);
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| 400 |
if (extra[51])
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printf(" %d characters per line\n", extra[51]);
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| 402 |
printf(" bPINSupport: 0x%02X\n", extra[52]);
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if (extra[52] & 0x01)
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printf(" PIN Verification supported\n");
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| 405 |
if (extra[52] & 0x02)
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printf(" PIN Modification supported\n");
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printf(" bMaxCCIDBusySlots: %d\n", extra[53]);
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return FALSE;
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} /* ccid_parse_interface_descriptor */
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|
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