/usr/share/pyshared/smartcard/pcsc/PCSCReaderGroups.py is in python-pyscard 1.6.12.1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | """PCSCReaderGroups organizes smartcard readers as groups.
__author__ = "gemalto http://www.gemalto.com"
Copyright 2001-2012 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.scard import *
from smartcard.reader.ReaderGroups import readergroups, innerreadergroups
from smartcard.pcsc.PCSCExceptions import *
class pcscinnerreadergroups(innerreadergroups):
"""Smartcard PCSC readers groups inner class.
The PCSCReaderGroups singleton manages the creation of the unique
instance of this class.
"""
def __init__(self, initlist=None):
"""Constructor."""
innerreadergroups.__init__(self, initlist)
self.unremovablegroups = ['SCard$DefaultReaders']
def getreadergroups(self):
""" Returns the list of smartcard reader groups."""
innerreadergroups.getreadergroups(self)
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != 0:
raise EstablishContextException(hresult)
hresult, readers = SCardListReaderGroups(hcontext)
if hresult != 0:
raise ListReadersException(hresult)
hresult = SCardReleaseContext(hcontext)
if hresult != 0:
raise ReleaseContextException(hresult)
return readers
def addreadergroup(self, newgroup):
"""Add a reader group"""
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if 0 != hresult:
raise error(
'Failed to establish context: ' + \
SCardGetErrorMessage(hresult))
try:
hresult = SCardIntroduceReaderGroup(hcontext, newgroup)
if 0 != hresult:
raise error(
'Unable to introduce reader group: ' + \
SCardGetErrorMessage(hresult))
else:
innerreadergroups.addreadergroup(self, newgroup)
finally:
hresult = SCardReleaseContext(hcontext)
if 0 != hresult:
raise error(
'Failed to release context: ' + \
SCardGetErrorMessage(hresult))
def removereadergroup(self, group):
"""Remove a reader group"""
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if 0 != hresult:
raise error(
'Failed to establish context: ' + \
SCardGetErrorMessage(hresult))
try:
hresult = SCardForgetReaderGroup(hcontext, group)
if hresult != 0:
raise error(
'Unable to forget reader group: ' + \
SCardGetErrorMessage(hresult))
else:
innerreadergroups.removereadergroup(self, group)
finally:
hresult = SCardReleaseContext(hcontext)
if 0 != hresult:
raise error(
'Failed to release context: ' + \
SCardGetErrorMessage(hresult))
class PCSCReaderGroups(readergroups):
"""PCSC readers groups."""
def __init__(self, initlist=None):
"""Create a single instance of pcscinnerreadergroups on first call"""
self.innerclazz = pcscinnerreadergroups
readergroups.__init__(self, initlist)
if __name__ == '__main__':
print PCSCReaderGroups()
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