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#!/usr/bin/env python3
"""
# Check the return value of SCardConnect() on a reader already used in
# SCARD_SHARE_EXCLUSIVE mode
"""
# Copyright (c) 2010 Jean-Luc Giraud (jlgiraud@mac.com)
# All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import sys
from smartcard.Exceptions import NoReadersException
from smartcard.pcsc.PCSCExceptions import (
EstablishContextException,
ListReadersException,
)
from smartcard.scard import (
SCARD_E_SHARING_VIOLATION,
SCARD_PROTOCOL_ANY,
SCARD_S_SUCCESS,
SCARD_SCOPE_USER,
SCARD_SHARE_EXCLUSIVE,
SCARD_SHARE_SHARED,
SCardConnect,
SCardDisconnect,
SCardEstablishContext,
SCardGetErrorMessage,
SCardListReaders,
)
def Connect(mode):
"""Connect"""
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)
if len(readers) <= 0:
raise NoReadersException()
reader = readers[0]
print("Using reader:", reader)
hresult, hcard, _dwActiveProtocol = SCardConnect(
hcontext, reader, mode, SCARD_PROTOCOL_ANY
)
return hresult, hcontext, hcard, reader
def ConnectWithReader(readerName, mode):
"""ConnectWithReader"""
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise EstablishContextException(hresult)
hresult, hcard, _dwActiveProtocol = SCardConnect(
hcontext, readerName, mode, SCARD_PROTOCOL_ANY
)
return hresult, hcontext, hcard
def main():
"""docstring for main"""
hresult, _hcontext1, hcard1, readerName = Connect(SCARD_SHARE_EXCLUSIVE)
if hresult != SCARD_S_SUCCESS:
print(f"Test1: Error creating first exclusive connection 0x{hresult:X}")
return
hresult, _hcontext2, _hcardTest2 = ConnectWithReader(readerName, SCARD_SHARE_SHARED)
if hresult != SCARD_E_SHARING_VIOLATION:
print(
f"Test1: Expected \
{SCardGetErrorMessage(SCARD_E_SHARING_VIOLATION)} (SCARD_E_SHARING_VIOLATION) \
but got {SCardGetErrorMessage(hresult)}"
)
return
SCardDisconnect(hcard1, 0)
hresult, _hcontext1, hcard1 = ConnectWithReader(readerName, SCARD_SHARE_SHARED)
if hresult != SCARD_S_SUCCESS:
print(f"Test2: Error creating first shared connection {hresult:X}")
return
hresult, _hcontext2, _hcardTest2 = ConnectWithReader(
readerName, SCARD_SHARE_EXCLUSIVE
)
if hresult != SCARD_E_SHARING_VIOLATION:
print(
"Test2: Expected \
{SCardGetErrorMessage(SCARD_E_SHARING_VIOLATION)} (SCARD_E_SHARING_VIOLATION) \
but got {SCardGetErrorMessage(hresult)}"
)
sys.exit(1)
print("Test successful")
if __name__ == "__main__":
main()
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