#! /usr/bin/env python3

"""
#   control_get_firmware.py: get firmware version of Gemalto readers
#   Copyright (C) 2009-2012  Ludovic Rousseau
"""

#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 3 of the License, or
#   (at your option) any later version.
#
#   This program 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 General Public License for more details.
#
#   You should have received a copy of the GNU General Public License along
#   with this program; if not, see <http://www.gnu.org/licenses/>.

from smartcard.System import readers
from smartcard.pcsc.PCSCPart10 import (SCARD_SHARE_DIRECT,
    SCARD_LEAVE_CARD, SCARD_CTL_CODE, getTlvProperties)
from smartcard import Exceptions

for reader in readers():
    cardConnection = reader.createConnection()
    cardConnection.connect(mode=SCARD_SHARE_DIRECT,
        disposition=SCARD_LEAVE_CARD)

    print("Reader:", reader)

    # properties returned by IOCTL_FEATURE_GET_TLV_PROPERTIES
    try:
        properties = getTlvProperties(cardConnection)
    except Exceptions.SmartcardException as e:
        print(e)
        continue

    # Gemalto devices supports a control code to get firmware
    key = 'PCSCv2_PART10_PROPERTY_wIdVendor'
    if key in properties:
        if properties[key] == 0x08E6:
            get_firmware = [0x02]
            IOCTL_SMARTCARD_VENDOR_IFD_EXCHANGE = SCARD_CTL_CODE(1)
            res = cardConnection.control(IOCTL_SMARTCARD_VENDOR_IFD_EXCHANGE,
                get_firmware)
            print(" Firmware:", "".join([chr(x) for x in res]))
        else:
            print(" Not a Gemalto reader")
            key = 'PCSCv2_PART10_PROPERTY_sFirmwareID'
            if key in properties:
                firmware = properties[key]
                print(" Firmware:", firmware)
            else:
                print(" %s not supported" % key)
    else:
        print(" %s not supported" % key)