#! /usr/bin/env python
"""Sample script for APDU error checking with a custom error checker.
__author__ = "http://www.gemalto.com"
Copyright 2001-2010 gemalto
Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
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
"""
from smartcard.CardType import AnyCardType
from smartcard.CardRequest import CardRequest
from smartcard.CardConnectionObserver import ConsoleCardConnectionObserver
from smartcard.sw.ErrorCheckingChain import ErrorCheckingChain
from smartcard.sw.ErrorChecker import ErrorChecker
from smartcard.sw.SWExceptions import SWException
class MyErrorChecker( ErrorChecker ):
"""Our custom error checker that will except if 0x61<sw1<0x70."""
def __call__( self, data, sw1, sw2 ):
print sw1, sw2
if 0x61<sw1 and 0x70>sw1:
raise SWException( data, sw1, sw2 )
# define the apdus used in this script
GET_RESPONSE = [0XA0, 0XC0, 00, 00 ]
SELECT = [0xA0, 0xA4, 0x00, 0x00, 0x02]
DF_TELECOM = [0x7F, 0x10]
if __name__ == '__main__':
print 'Insert a card within 10 seconds'
print 'Cards without a DF_TELECOM will except'
# request any card
cardtype = AnyCardType()
cardrequest = CardRequest( timeout=10, cardType=cardtype )
cardservice = cardrequest.waitforcard()
# our error checking chain
errorchain=[]
errorchain=[ ErrorCheckingChain( [], MyErrorChecker() ) ]
cardservice.connection.setErrorCheckingChain( errorchain )
# attach the console tracer
observer=ConsoleCardConnectionObserver()
cardservice.connection.addObserver( observer )
# send a few apdus; exceptions will occur upon errors
cardservice.connection.connect()
try:
SELECT = [0xA0, 0xA4, 0x00, 0x00, 0x02]
DF_TELECOM = [0x7F, 0x10]
apdu = SELECT+DF_TELECOM
response, sw1, sw2 = cardservice.connection.transmit( apdu )
if sw1 == 0x9F:
GET_RESPONSE = [0XA0, 0XC0, 00, 00 ]
apdu = GET_RESPONSE + [sw2]
response, sw1, sw2 = cardservice.connection.transmit( apdu )
except SWException, e:
print e, "%x %x" % (e.sw1, e.sw2 )
cardservice.connection.disconnect()
import sys
if 'win32'==sys.platform:
print 'press Enter to continue'
sys.stdin.read(1)
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