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#! /usr/bin/env python3
# SCardGetStatusChange2.py : Unitary test for SCardGetStatusChange()
# Copyright (C) 2011 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 3 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/>.
"""
# Check the return value of SCardGetStatusChange() for unknown readers
# Before revision 5881 SCardGetStatusChange() returned SCARD_S_SUCCESS
"""
from smartcard.pcsc.PCSCExceptions import (
BaseSCardException,
EstablishContextException,
ReleaseContextException,
)
from smartcard.scard import (
SCARD_S_SUCCESS,
SCARD_SCOPE_USER,
SCARD_STATE_UNAWARE,
SCardEstablishContext,
SCardGetErrorMessage,
SCardGetStatusChange,
SCardListReaders,
SCardReleaseContext,
)
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
print("SCardEstablishContext()", SCardGetErrorMessage(hresult))
if hresult != SCARD_S_SUCCESS:
raise EstablishContextException(hresult)
hresult, readers = SCardListReaders(hcontext, [])
print("SCardListReaders()", SCardGetErrorMessage(hresult))
print("PC/SC Readers:", readers)
readers = ["a", "b"]
print(readers)
readerstates = {}
for reader in readers:
readerstates[reader] = (reader, SCARD_STATE_UNAWARE)
hresult, newstates = SCardGetStatusChange(hcontext, 10, list(readerstates.values()))
print("SCardGetStatusChange()", SCardGetErrorMessage(hresult))
if hresult != SCARD_S_SUCCESS:
raise BaseSCardException(hresult)
print(newstates)
hresult = SCardReleaseContext(hcontext)
print("SCardReleaseContext()", SCardGetErrorMessage(hresult))
if hresult != SCARD_S_SUCCESS:
raise ReleaseContextException(hresult)
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