# -*- coding: utf-8 -*- # Copyright (C) 2009-2010 Sylvain Munaut # Copyright (C) 2010 Harald Welte # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 2 of the License, or # (at your option) any later version. # # This program 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 General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # from smartcard.CardConnection import CardConnection from smartcard.CardRequest import CardRequest from smartcard.Exceptions import NoCardException, CardRequestTimeoutException, CardConnectionException from smartcard.System import readers from pySim.exceptions import NoCardError, ProtocolError from pySim.transport import LinkBase from pySim.utils import h2i, i2h class PcscSimLink(LinkBase): """ pySim: PCSC reader transport link.""" def __init__(self, reader_number:int=0, **kwargs): super().__init__(**kwargs) r = readers() self._reader = r[reader_number] self._con = self._reader.createConnection() def __del__(self): try: # FIXME: this causes multiple warnings in Python 3.5.3 self._con.disconnect() except: pass return def wait_for_card(self, timeout:int=None, newcardonly:bool=False): cr = CardRequest(readers=[self._reader], timeout=timeout, newcardonly=newcardonly) try: cr.waitforcard() except CardRequestTimeoutException: raise NoCardError() self.connect() def connect(self): try: # Explicitly select T=0 communication protocol self._con.connect(CardConnection.T0_protocol) except CardConnectionException: raise ProtocolError() except NoCardException: raise NoCardError() def get_atr(self): return self._con.getATR() def disconnect(self): self._con.disconnect() def reset_card(self): self.disconnect() self.connect() return 1 def _send_apdu_raw(self, pdu): apdu = h2i(pdu) data, sw1, sw2 = self._con.transmit(apdu) sw = [sw1, sw2] # Return value return i2h(data), i2h(sw)