UnitaryTests/SCardGetStatusChange/SCardGetStatusChange_PnP.py
#! /usr/bin/env python3
# -*- coding: UTF-8 -*-
# SCardGetStatusChange.py : Unit tests for unlock a SCardGetStatusChange()
# Copyright (C) 2008-2009 Ludovic Rousseau
#
# 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
from smartcard.System import readers
from smartcard.scard import *
from smartcard.util import toHexString
def scardstate2text(cardstate):
state = list()
states_dict = {
SCARD_STATE_UNAWARE: "SCARD_STATE_UNAWARE",
SCARD_STATE_IGNORE: "SCARD_STATE_IGNORE",
SCARD_STATE_CHANGED: "SCARD_STATE_CHANGED",
SCARD_STATE_UNKNOWN: "SCARD_STATE_UNKNOWN",
SCARD_STATE_UNAVAILABLE: " SCARD_STATE_UNAVAILABLE",
SCARD_STATE_EMPTY: "SCARD_STATE_EMPTY",
SCARD_STATE_PRESENT: "SCARD_STATE_PRESENT",
SCARD_STATE_ATRMATCH: "SCARD_STATE_ATRMATCH",
SCARD_STATE_EXCLUSIVE: "SCARD_STATE_EXCLUSIVE",
SCARD_STATE_INUSE: "SCARD_STATE_INUSE",
SCARD_STATE_MUTE: "SCARD_STATE_MUTE",
SCARD_STATE_UNPOWERED: "SCARD_STATE_UNPOWERED"}
for s in states_dict.keys():
if (cardstate & s):
state.append(states_dict[s])
return state
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
hresult, readers = SCardListReaders(hcontext, [])
# initialise the states of the readers
readerstates = {}
for reader in readers:
readerstates[reader] = (reader, SCARD_STATE_UNAWARE)
# Add the PnP special reader
reader = "\\\\?PnP?\\Notification"
readerstates[reader] = (reader, SCARD_STATE_UNAWARE)
print("values:", readerstates.values())
(hresult, states) = SCardGetStatusChange(hcontext, 0, list(readerstates.values()))
print(SCardGetErrorMessage(hresult))
print(states)
for state in states:
readername, eventstate, atr = state
print("readername:", readername)
print("eventstate:", scardstate2text(eventstate))
print("atr:", toHexString(atr))
readerstates[readername] = (readername, eventstate)
print("values", readerstates.values())
print()
# wait for a change with a 10s timeout
(hresult, states) = SCardGetStatusChange(hcontext, 10000, list(readerstates.values()))
print(SCardGetErrorMessage(hresult))
print(states)
print()
for state in states:
readername, eventstate, atr = state
print("readername:", readername)
print("eventstate:", scardstate2text(eventstate))
print("atr:", toHexString(atr))
readerstates[readername] = (readername, eventstate)
print("values:", readerstates.values())
hresult = SCardReleaseContext(hcontext)
print(SCardGetErrorMessage(hresult))