"""PCSCReader: concrete reader class for PCSC Readers
__author__ = "gemalto http://www.gemalto.com"
Copyright 2001-2010 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.ReaderFactory import ReaderFactory
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 error, 'Failed to establish context: ' + SCardGetErrorMessage(hresult)
try:
hresult = SCardIntroduceReader( hcontext, self.name, self.name )
if 0!=hresult and SCARD_E_DUPLICATE_READER!=hresult:
raise error, 'Unable to introduce reader: ' + self.name + ' : ' + SCardGetErrorMessage(hresult)
hresult = SCardAddReaderToGroup( hcontext, self.name, groupname )
if hresult!=0:
raise error, 'Unable to add reader to group: ' + SCardGetErrorMessage(hresult)
finally:
hresult = SCardReleaseContext( hcontext )
if 0!=hresult:
raise error, 'Failed to release context: ' + SCardGetErrorMessage(hresult)
def removefromreadergroup( self, groupname ):
"""Remove a reader from a reader group"""
hresult, hcontext = SCardEstablishContext( SCARD_SCOPE_USER )
if 0!=hresult:
raise error, 'Failed to establish context: ' + SCardGetErrorMessage(hresult)
try:
hresult = SCardRemoveReaderFromGroup( hcontext, self.name, groupname )
if hresult!=0:
raise error, 'Unable to add reader to group: ' + SCardGetErrorMessage(hresult)
finally:
hresult = SCardReleaseContext( hcontext )
if 0!=hresult:
raise error, 'Failed to release context: ' + SCardGetErrorMessage(hresult)
def createConnection( self ):
"""Return a card connection thru PCSC reader."""
return CardConnectionDecorator( PCSCCardConnection( self.name ) )
class Factory:
def create(self, readername ):
return PCSCReader( readername )
def readers( groups=[] ):
creaders=[]
hcontext = PCSCContext().getContext()
for reader in __PCSCreaders__( hcontext, groups ):
creaders.append( ReaderFactory.createReader( 'smartcard.pcsc.PCSCReader.PCSCReader', reader ) )
return creaders
if __name__ == '__main__':
SELECT = [0xA0, 0xA4, 0x00, 0x00, 0x02]
DF_TELECOM = [0x7F, 0x10]
creaders=readers()
cc = creaders[0].createConnection()
cc.connect()
data, sw1, sw2 = cc.transmit( SELECT + DF_TELECOM )
print "%X %X" % (sw1, sw2)
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