#! /usr/bin/env python
"""
Sample for python PCSC wrapper module: Detect card insertion/removal
__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
srTreeATR = [0x3B, 0x77, 0x94, 0x00, 0x00, 0x82, 0x30, 0x00, 0x13, 0x6C, 0x9F, 0x22]
srTreeMask = [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]
def printstate(state):
reader, eventstate, atr = state
print reader + " " + smartcard.util.toHexString(atr, smartcard.util.HEX)
if eventstate & SCARD_STATE_ATRMATCH:
print '\tCard found'
if eventstate & SCARD_STATE_UNAWARE:
print '\tState unware'
if eventstate & SCARD_STATE_IGNORE:
print '\tIgnore reader'
if eventstate & SCARD_STATE_UNAVAILABLE:
print '\tReader unavailable'
if eventstate & SCARD_STATE_EMPTY:
print '\tReader empty'
if eventstate & SCARD_STATE_PRESENT:
print '\tCard present in reader'
if eventstate & SCARD_STATE_EXCLUSIVE:
print '\tCard allocated for exclusive use by another application'
if eventstate & SCARD_STATE_INUSE:
print '\tCard in used by another application but can be shared'
if eventstate & SCARD_STATE_MUTE:
print '\tCard is mute'
if eventstate & SCARD_STATE_CHANGED:
print '\tState changed'
if eventstate & SCARD_STATE_UNKNOWN:
print '\tState unknowned'
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)
print 'PCSC Readers:', readers
readerstates = []
for i in xrange(len(readers)):
readerstates += [(readers[i], SCARD_STATE_UNAWARE)]
print '----- Current reader and card states are: -------'
hresult, newstates = SCardGetStatusChange(hcontext, 0, readerstates)
for i in newstates:
printstate(i)
print '----- Please insert or remove a card ------------'
hresult, newstates = SCardGetStatusChange(hcontext, INFINITE, newstates)
print '----- New reader and card states are: -----------'
for i in newstates:
printstate(i)
finally:
hresult = SCardReleaseContext(hcontext)
if hresult != SCARD_S_SUCCESS:
raise error, 'Failed to release context: ' + SCardGetErrorMessage(hresult)
print 'Released context.'
import sys
if 'win32' == sys.platform:
print 'press Enter to continue'
sys.stdin.read(1)
except error:
import sys
print sys.exc_info()[0], ':', sys.exc_info()[1]
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