#! /usr/bin/env python
"""
Sample script that defines a custom card connection observer.
__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 CardConnectionObserver
from smartcard.util import toHexString
from string import replace
class TracerAndSELECTInterpreter( CardConnectionObserver ):
"""This observer will interprer SELECT and GET RESPONSE bytes
and replace them with a human readable string."""
def update( self, cardconnection, ccevent ):
if 'connect'==ccevent.type:
print 'connecting to ' + cardconnection.getReader()
elif 'disconnect'==ccevent.type:
print 'disconnecting from ' + cardconnection.getReader()
elif 'command'==ccevent.type:
str=toHexString(ccevent.args[0])
str = replace( str , "A0 A4 00 00 02", "SELECT" )
str = replace( str , "A0 C0 00 00", "GET RESPONSE" )
print '>', str
elif 'response'==ccevent.type:
if []==ccevent.args[0]:
print '< []', "%-2X %-2X" % tuple(ccevent.args[-2:])
else:
print '<', toHexString(ccevent.args[0]), "%-2X %-2X" % tuple(ccevent.args[-2:])
# define the apdus used in this script
GET_RESPONSE = [0XA0, 0XC0, 00, 00 ]
SELECT = [0xA0, 0xA4, 0x00, 0x00, 0x02]
DF_TELECOM = [0x7F, 0x10]
# we request any type and wait for 10s for card insertion
cardtype = AnyCardType()
cardrequest = CardRequest( timeout=10, cardType=cardtype )
cardservice = cardrequest.waitforcard()
# create an instance of our observer and attach to the connection
observer=TracerAndSELECTInterpreter()
cardservice.connection.addObserver( observer )
# connect and send APDUs
# the observer will trace on the console
cardservice.connection.connect()
apdu = SELECT+DF_TELECOM
response, sw1, sw2 = cardservice.connection.transmit( apdu )
if sw1 == 0x9F:
apdu = GET_RESPONSE + [sw2]
response, sw1, sw2 = cardservice.connection.transmit( apdu )
else:
print 'no DF_TELECOM'
import sys
if 'win32'==sys.platform:
print 'press Enter to continue'
sys.stdin.read(1)
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