sample_listInterfaces.py

#! /usr/bin/env python
"""
Sample for python PCSC wrapper module: List card interfaces

__author__ = "http:https://www.gemalto.com"

Copyright 2001-2012 gemalto
Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
Copyright 2010 Ludovic Rousseau
Author: Ludovic Rousseau, mailto:ludovic.rousseau@free.fr

This file is part of pyscard.

pyscard 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.

pyscard 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 pyscard; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
"""

import platform
from smartcard.scard import *
import smartcard.guid

if 'winscard' == resourceManager:

    znewcardName = 'dummy-card'
    znewcardATR = \
      [0x3B, 0x77, 0x94, 0x00, 0x00, 0x82, 0x30, 0x00, 0x13, 0x6C, 0x9F, 0x22]
    znewcardMask = \
      [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]
    znewcardPrimGuid = \
        smartcard.guid.strToGUID('{128F3806-4F70-4ccf-977A-60C390664840}')
    znewcardSecGuid = \
        smartcard.guid.strToGUID('{EB7F69EA-BA20-47d0-8C50-11CFDEB63BBE}')

    try:
        hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
        if hresult != SCARD_S_SUCCESS:
            raise scard.error(
                'Failed to establish context: ' + \
                SCardGetErrorMessage(hresult))
        print 'Context established!'

        try:

            # list interfaces for a known card
            if -1 != platform.platform().find('Windows-7'):
                expectedCard = 'Identity Device (Microsoft Generic Profile)'
            elif -1 != platform.platform().find('Windows-Vista-6.0'):
                expectedCard = 'Axalto Cryptoflex .NET'
            else:
                expectedCard = 'Schlumberger Cryptoflex 8k v2'
            hresult, interfaces = SCardListInterfaces(
                hcontext,
                expectedCard)
            if hresult != SCARD_S_SUCCESS:
                raise scard.error(
                    'Failed to list interfaces: ' + \
                    SCardGetErrorMessage(hresult))
            print 'Interfaces for ', expectedCard, ':', interfaces

            # introduce a card (forget first in case it is already present)
            hresult = SCardForgetCardType(hcontext, znewcardName)
            print 'Introducing card ' + znewcardName
            hresult = SCardIntroduceCardType(
                hcontext,
                znewcardName,
                znewcardPrimGuid,
                znewcardPrimGuid + znewcardSecGuid,
                znewcardATR,
                znewcardMask)
            if hresult != SCARD_S_SUCCESS:
                raise error(
                        'Failed to introduce card type: ' + \
                        SCardGetErrorMessage(hresult))

            # list card interfaces
            hresult, interfaces = SCardListInterfaces(hcontext, znewcardName)
            if hresult != SCARD_S_SUCCESS:
                raise error(
                    'Failed to list interfaces: ' + \
                    SCardGetErrorMessage(hresult))
            for i in interfaces:
                print 'Interface for ' + znewcardName + ' :', \
                      smartcard.guid.GUIDToStr(i)

            print 'Forgeting card ' + znewcardName
            hresult = SCardForgetCardType(hcontext, znewcardName)
            if hresult != SCARD_S_SUCCESS:
                raise error(
                    'Failed to remove card type: ' + \
                    SCardGetErrorMessage(hresult))

        finally:
            hresult2 = SCardReleaseContext(hcontext)
            if hresult2 != SCARD_S_SUCCESS:
                raise error(
                    'Failed to release context: ' + \
                    SCardGetErrorMessage(hresult))
            print 'Released context.'

    except error:
        import sys
        print sys.exc_info()[0], ':', sys.exc_info()[1]

elif 'pcsclite' == resourceManager:
    print 'SCardListInterfaces not supported by pcsc lite'


import sys
if 'win32' == sys.platform:
    print 'press Enter to continue'
    sys.stdin.read(1)