#! /usr/bin/env python
"""
Sample for python PCSC wrapper module: illustrate reader groups functions
__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 *
newgroup = 'MyReaderGroup'
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 in all groups:', readers
hresult, readerGroups = SCardListReaderGroups(hcontext)
if hresult != SCARD_S_SUCCESS:
raise error, 'Unable to list reader groups: ' + SCardGetErrorMessage(hresult)
print 'PCSC Reader groups:', readerGroups
if 'winscard' == resourceManager:
hresult = SCardIntroduceReaderGroup(hcontext, newgroup)
if hresult != SCARD_S_SUCCESS:
raise error, 'Unable to introduce reader group: ' + SCardGetErrorMessage(hresult)
dummyreader = readers[0] + ' dummy'
hresult = SCardIntroduceReader(hcontext, dummyreader, readers[0])
if hresult != SCARD_S_SUCCESS:
raise error, 'Unable to introduce reader: ' + dummyreader + ' : ' + SCardGetErrorMessage(hresult)
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise error, 'Failed to list readers: ' + SCardGetErrorMessage(hresult)
print 'PCSC Readers in all groups:', readers
hresult = SCardAddReaderToGroup(hcontext, dummyreader, newgroup)
if hresult != SCARD_S_SUCCESS:
raise error, 'Unable to add reader to group: ' + SCardGetErrorMessage(hresult)
hresult, readerGroups = SCardListReaderGroups(hcontext)
if hresult != SCARD_S_SUCCESS:
raise error, 'Unable to list reader groups: ' + SCardGetErrorMessage(hresult)
print 'PCSC Reader groups:', readerGroups
hresult, readers = SCardListReaders(hcontext, [newgroup])
if hresult != SCARD_S_SUCCESS:
raise error, 'Failed to list readers in group ' + newgroup + ' : ' + SCardGetErrorMessage(hresult)
print 'PCSC Readers in reader group', newgroup, ':', readers
hresult = SCardRemoveReaderFromGroup(hcontext, dummyreader, newgroup)
if hresult != SCARD_S_SUCCESS:
raise error, 'Unable to remove reader from group: ' + SCardGetErrorMessage(hresult)
hresult, readerGroups = SCardListReaderGroups(hcontext)
if hresult != SCARD_S_SUCCESS:
raise error, 'Unable to list reader groups: ' + SCardGetErrorMessage(hresult)
print 'PCSC Reader groups:', readerGroups
hresult = SCardForgetReaderGroup(hcontext, newgroup)
if hresult != SCARD_S_SUCCESS:
raise error, 'Unable to forget reader group: ' + SCardGetErrorMessage(hresult)
hresult = SCardForgetReader(hcontext, dummyreader)
if hresult != SCARD_S_SUCCESS:
raise error, 'Failed to forget readers ' + SCardGetErrorMessage(hresult)
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise error, 'Failed to list readers: ' + SCardGetErrorMessage(hresult)
print 'PCSC Readers in all groups:', readers
elif 'pcsclite' == resourceManager:
hresult, readers = SCardListReaders(hcontext, readerGroups)
if hresult != SCARD_S_SUCCESS:
raise error, 'Failed to list readers in groups ' + `readerGroups` + ' : ' + SCardGetErrorMessage(hresult)
print 'PCSC Readers in reader group', readerGroups, ':', readers
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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