#! /usr/bin/env python
"""
Sample for python PCSC wrapper module: get card ATR in first pcsc reader
__author__ = "http://www.gemalto.com"
Copyright 2001-2010 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
"""
from smartcard.scard import *
import smartcard.util
try:
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise error, 'Failed to establish context: ' + SCardGetErrorMessage(hresult)
print 'Context established!'
try:
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise error, 'Failed to list readers: ' + SCardGetErrorMessage(hresult)
if len(readers) < 1:
raise Exception('No smart card readers')
print 'PCSC Readers:', readers
for reader in readers:
print 'Trying to retreive ATR of card in', reader
hresult, hcard, dwActiveProtocol = SCardConnect(
hcontext, reader, SCARD_SHARE_SHARED, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1)
if hresult != SCARD_S_SUCCESS:
print 'Unable to connect: ' + SCardGetErrorMessage(hresult)
else:
print 'Connected with active protocol', dwActiveProtocol
try:
hresult, reader, state, protocol, atr = SCardStatus(hcard)
if hresult != SCARD_S_SUCCESS:
print 'failed to get status: ' + SCardGetErrorMessage(hresult)
print 'Reader:', reader
print 'State:', state
print 'Protocol:', protocol
print 'ATR:', smartcard.util.toHexString(atr, smartcard.util.HEX)
finally:
hresult = SCardDisconnect(hcard, SCARD_UNPOWER_CARD)
if hresult != SCARD_S_SUCCESS:
print 'Failed to disconnect: ' + SCardGetErrorMessage(hresult)
print 'Disconnected'
finally:
hresult = SCardReleaseContext(hcontext)
if hresult != SCARD_S_SUCCESS:
raise error, 'Failed to release context: ' + SCardGetErrorMessage(hresult)
print 'Released context.'
except:
import sys
print sys.exc_info()[0], ':', sys.exc_info()[1]
import sys
if 'win32' == sys.platform:
print 'press Enter to continue'
sys.stdin.read(1)
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