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#! /usr/bin/env python3
# SCardStatus.py : Unit test for SCardStatus()
# Copyright (C) 2010 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/>.
"""
test SCardStatus
"""
import sys
from smartcard.pcsc.PCSCExceptions import (
BaseSCardException,
EstablishContextException,
ListReadersException,
)
from smartcard.scard import (
SCARD_LEAVE_CARD,
SCARD_PROTOCOL_ANY,
SCARD_S_SUCCESS,
SCARD_SCOPE_USER,
SCARD_SHARE_SHARED,
SCardConnect,
SCardDisconnect,
SCardEstablishContext,
SCardGetErrorMessage,
SCardListReaders,
SCardReleaseContext,
SCardStatus,
)
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise EstablishContextException(hresult)
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise ListReadersException(hresult)
print("PC/SC Readers:", readers)
reader = readers[0]
print("Using reader:", reader)
# Connect in SCARD_SHARE_SHARED mode
hresult, hcard, dwActiveProtocol = SCardConnect(
hcontext, reader, SCARD_SHARE_SHARED, SCARD_PROTOCOL_ANY
)
if hresult != SCARD_S_SUCCESS:
raise BaseSCardException(hresult)
hresult, reader, state, protocol, atr = SCardStatus(hcard)
if hresult != SCARD_S_SUCCESS:
raise BaseSCardException(hresult)
print(SCardGetErrorMessage(hresult))
print("reader:", reader)
print("state:", hex(state))
print("protocol:", protocol)
print("atr:", atr)
print("Press enter")
sys.stdin.read(1)
hresult, reader, state, protocol, atr = SCardStatus(hcard)
if hresult != SCARD_S_SUCCESS:
raise BaseSCardException(hresult)
print(SCardGetErrorMessage(hresult))
print("reader:", reader)
print("state:", hex(state))
print("protocol:", protocol)
print("atr:", atr)
hresult = SCardDisconnect(hcard, SCARD_LEAVE_CARD)
if hresult != SCARD_S_SUCCESS:
raise BaseSCardException(hresult)
hresult = SCardReleaseContext(hcontext)
print(SCardGetErrorMessage(hresult))
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