/usr/share/pyshared/smartcard/pcsc/PCSCReader.py is in python-pyscard 1.6.12.1-4.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | """PCSCReader: concrete reader class for PCSC Readers
__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.CardConnectionDecorator import CardConnectionDecorator
from smartcard.reader.Reader import Reader
from smartcard.pcsc.PCSCContext import PCSCContext
from smartcard.pcsc.PCSCCardConnection import PCSCCardConnection
from smartcard.Exceptions import *
from smartcard.pcsc.PCSCExceptions import *
from smartcard.scard import *
def __PCSCreaders__(hcontext, groups=[]):
"""Returns the list of PCSC smartcard readers in PCSC group.
If group is not specified, returns the list of all PCSC smartcard readers.
"""
# in case we have a string instead of a list
if isinstance(groups, type("")):
groups = [groups]
hresult, readers = SCardListReaders(hcontext, groups)
if hresult != 0:
if hresult == SCARD_E_NO_READERS_AVAILABLE:
readers = []
else:
raise ListReadersException(hresult)
return readers
class PCSCReader(Reader):
"""PCSC reader class."""
def __init__(self, readername):
"""Constructs a new PCSC reader."""
Reader.__init__(self, readername)
def addtoreadergroup(self, groupname):
"""Add reader to a reader group."""
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if 0 != hresult:
raise EstablishContextException(hresult)
try:
hresult = SCardIntroduceReader(hcontext, self.name, self.name)
if 0 != hresult and SCARD_E_DUPLICATE_READER != hresult:
raise IntroduceReaderException(hresult, self.name)
hresult = SCardAddReaderToGroup(hcontext, self.name, groupname)
if 0 != hresult:
raise AddReaderToGroupException(hresult, self.name, groupname)
finally:
hresult = SCardReleaseContext(hcontext)
if 0 != hresult:
raise ReleaseContextException(hresult)
def removefromreadergroup(self, groupname):
"""Remove a reader from a reader group"""
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if 0 != hresult:
raise EstablishContextException(hresult)
try:
hresult = SCardRemoveReaderFromGroup(hcontext, self.name,
groupname)
if 0 != hresult:
raise RemoveReaderFromGroupException(hresult, self.name,
groupname)
finally:
hresult = SCardReleaseContext(hcontext)
if 0 != hresult:
raise ReleaseContextException(hresult)
def createConnection(self):
"""Return a card connection thru PCSC reader."""
return CardConnectionDecorator(PCSCCardConnection(self.name))
class Factory:
def create(readername):
return PCSCReader(readername)
create = staticmethod(create)
def readers(groups=[]):
creaders = []
hcontext = PCSCContext().getContext()
for reader in __PCSCreaders__(hcontext, groups):
creaders.append(PCSCReader.Factory.create(reader))
return creaders
readers = staticmethod(readers)
if __name__ == '__main__':
from smartcard.util import *
SELECT = [0xA0, 0xA4, 0x00, 0x00, 0x02]
DF_TELECOM = [0x7F, 0x10]
creaders = PCSCReader.readers()
for reader in creaders:
try:
print reader.name
connection = reader.createConnection()
connection.connect()
print toHexString(connection.getATR())
data, sw1, sw2 = connection.transmit(SELECT + DF_TELECOM)
print "%X %X" % (sw1, sw2)
except NoCardException, x:
print 'no card in reader'
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