#! /usr/bin/env python
"""
Sample for python PCSC wrapper module: Locate cards in the system
__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 *
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]
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:
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise scard.error, 'Failed to list readers: ' + SCardGetErrorMessage(hresult)
print 'PCSC Readers:', readers
# introduce a card (forget first in case it is already present)
hresult = SCardForgetCardType(hcontext, znewcardName)
print 'Introducing card ' + znewcardName
hresult = SCardIntroduceCardType(hcontext, znewcardName, [],
[], znewcardATR, znewcardMask)
if hresult != SCARD_S_SUCCESS:
if hresult == ERROR_ALREADY_EXISTS:
print 'Card already exists'
else:
raise error, 'Failed to introduce card type: ' + SCardGetErrorMessage(hresult)
hresult, cards = SCardListCards(hcontext, [], [])
if hresult != SCARD_S_SUCCESS:
raise error, 'Failure to list cards'
print 'Cards:', cards
readerstates = []
for i in xrange(len(readers)):
readerstates += [(readers[i], SCARD_STATE_UNAWARE)]
print readerstates
hresult, newstates = SCardLocateCards(hcontext, cards, readerstates)
for i in newstates:
reader, eventstate, atr = i
print reader,
for b in atr:
print "0x%.2X" % b,
print ""
if eventstate & SCARD_STATE_ATRMATCH:
print 'Card found'
if eventstate & SCARD_STATE_UNAWARE:
print 'State unware'
if eventstate & SCARD_STATE_IGNORE:
print 'Ignore reader'
if eventstate & SCARD_STATE_UNAVAILABLE:
print 'Reader unavailable'
if eventstate & SCARD_STATE_EMPTY:
print 'Reader empty'
if eventstate & SCARD_STATE_PRESENT:
print 'Card present in reader'
if eventstate & SCARD_STATE_EXCLUSIVE:
print 'Card allocated for exclusive use by another application'
if eventstate & SCARD_STATE_INUSE:
print 'Card in used by another application but can be shared'
if eventstate & SCARD_STATE_MUTE:
print 'Card is mute'
if eventstate & SCARD_STATE_CHANGED:
print 'State changed'
if eventstate & SCARD_STATE_UNKNOWN:
print 'State unknowned'
finally:
hresult = SCardForgetCardType(hcontext, znewcardName)
hresult = SCardReleaseContext(hcontext)
if hresult != 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 'SCardLocateCards not supported by pcsc lite'
import sys
if 'win32' == sys.platform:
print 'press Enter to continue'
sys.stdin.read(1)
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