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#!/usr/bin/env python
# -*- coding: utf-8 -*-
""" pySim: PCSC reader transport link
"""
#
# Copyright (C) 2009-2010 Sylvain Munaut <tnt@246tNt.com>
# Copyright (C) 2010 Harald Welte <laforge@gnumonks.org>
#
# 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 <http://www.gnu.org/licenses/>.
#
from smartcard.CardRequest import CardRequest
from smartcard.Exceptions import NoCardException, CardRequestTimeoutException
from smartcard.System import readers
from pySim.exceptions import NoCardError
from pySim.transport import LinkBase
from pySim.utils import h2i, i2h
class PcscSimLink(LinkBase):
def __init__(self, reader_number=0):
r = readers();
self._reader = r[reader_number]
self._con = self._reader.createConnection()
def __del__(self):
self._con.disconnect()
return
def wait_for_card(self, timeout=None, newcardonly=False):
cr = CardRequest(readers=[self._reader], timeout=timeout, newcardonly=newcardonly)
try:
cr.waitforcard()
except CardRequestTimeoutException:
raise NoCardError()
self.connect()
def connect(self):
try:
self._con.connect()
except NoCardException:
raise NoCardError()
def disconnect(self):
self._con.disconnect()
def reset_card(self):
self._con.disconnect()
try:
self._con.connect()
except NoCardException:
raise NoCardError()
return 1
def send_apdu_raw(self, pdu):
"""see LinkBase.send_apdu_raw"""
apdu = h2i(pdu)
data, sw1, sw2 = self._con.transmit(apdu)
sw = [sw1, sw2]
# Return value
return i2h(data), i2h(sw)
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