def stress(*args):
"""
stress method
"""
thread = args[0]
for j in range(0, MAX_ITER):
print(thread, end=' ')
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise EstablishContextException(hresult)
hresult = SCardReleaseContext(hcontext)
# print("SCardReleaseContext()", SCardGetErrorMessage(hresult))
if hresult != SCARD_S_SUCCESS:
raise ReleaseContextException(hresult)
def launch_command(self, reader_name, command):
try:
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
assert hresult == SCARD_S_SUCCESS
hresult, hcard, dwActiveProtocol = SCardConnect(
hcontext, reader_name, SCARD_SHARE_SHARED,
SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1)
# hresult, response = SCardTransmit(hcard,dwActiveProtocol,[0xFF,0xCA,0x00,0x00,0x00])
hresult, response = SCardTransmit(hcard, dwActiveProtocol, command)
return response[:len(response) - 2]
except SystemError as err:
print("Error in launch command : {}".format(err))
return None
def open(self):
if self._reader:
try:
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise Exception('Failed to establish context : ' +
SCardGetErrorMessage(hresult))
hresult, hcard, dwActiveProtocol = SCardConnect(
hcontext, self._reader,
SCARD_SHARE_SHARED, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1)
if hresult != SCARD_S_SUCCESS:
raise Exception('Unable to connect: ' +
SCardGetErrorMessage(hresult))
return LLScardDevice(hcontext, hcard, dwActiveProtocol)
except Exception:
self._set_status(CardStatus.InUse)
def _list(self):
try:
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise Exception('Failed to establish context : ' +
SCardGetErrorMessage(hresult))
try:
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise Exception('Failed to list readers: ' +
SCardGetErrorMessage(hresult))
return readers
finally:
hresult = SCardReleaseContext(hcontext)
if hresult != SCARD_S_SUCCESS:
raise Exception('Failed to release context: ' +
SCardGetErrorMessage(hresult))
except: # noqa: E722
return []
def stress(*args):
"""
stress method
"""
thread = args[0]
print("Starting thread:", thread)
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)
for j in range(0, MAX_ITER):
# Connect in SCARD_SHARE_SHARED mode
hresult, hcard, dwActiveProtocol = SCardConnect(
hcontext, readers[0], SCARD_SHARE_SHARED, SCARD_PROTOCOL_ANY)
if hresult != SCARD_S_SUCCESS:
raise BaseSCardException(hresult)
log = "%d:%d" % (thread, j)
print(log, end=' ')
hresult = SCardDisconnect(hcard, SCARD_LEAVE_CARD)
if hresult != SCARD_S_SUCCESS:
raise BaseSCardException(hresult)
print()
hresult = SCardReleaseContext(hcontext)
if hresult != SCARD_S_SUCCESS:
raise ReleaseContextException(hresult)
print("Exiting thread:", thread)
def print_hex_response(response):
print("response: " + toHexString(response, HEX))
def transmit_command(command):
hresult, response = SCardTransmit(hcard, dwActiveProtocol, command)
if hresult != SCARD_S_SUCCESS or response[1] != 0x9F:
raise error("Failed to select ARA: " + SCardGetErrorMessage(hresult))
print_hex_response(response)
if __name__ == "__main__":
try:
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise error(
"Failed to establish context : " + SCardGetErrorMessage(hresult)
)
print("Context established!")
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise error("failed to get readers: " + SCardGetErrorMessage(hresult))
print("readers:", readers)
if len(readers) < 1:
raise error("No smart card readers")
# default to select first reader
def __establishContext(self):
hresult, self.hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise CardConnectionException('Failed to establish context: ' + SCardGetErrorMessage(hresult))