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"""
Copyright (c) 2015-2019 Nitrokey UG
This file is part of libnitrokey.
libnitrokey is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version.
libnitrokey 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 Lesser General Public License
along with libnitrokey. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: LGPL-3.0
"""
import pytest
import os, sys
from misc import ffi, gs
device_type = None
from logging import getLogger, basicConfig, DEBUG
basicConfig(format='* %(relativeCreated)6d %(filename)s:%(lineno)d %(message)s',level=DEBUG)
log = getLogger('conftest')
print = log.debug
def get_device_type():
return device_type
def skip_if_device_version_lower_than(allowed_devices):
global device_type
model, version = device_type
infinite_version_number = 999
if allowed_devices.get(model, infinite_version_number) > version:
pytest.skip('This device model is not applicable to run this test')
class AtrrCallProx(object):
def __init__(self, C, name):
self.C = C
self.name = name
def __call__(self, *args, **kwargs):
print('Calling {}{}'.format(self.name, args))
res = self.C(*args, **kwargs)
res_s = res
try:
res_s = '{} => '.format(res) + '{}'.format(gs(res))
except Exception as e:
pass
print('Result of {}: {}'.format(self.name, res_s))
return res
class AttrProxy(object):
def __init__(self, C, name):
self.C = C
self.name = name
def __getattr__(self, attr):
return AtrrCallProx(getattr(self.C, attr), attr)
@pytest.fixture(scope="module")
def C_offline(request=None):
print("Getting library without initializing connection")
return get_library(request, allow_offline=True)
@pytest.fixture(scope="module")
def C(request=None):
print("Getting library with connection initialized")
return get_library(request)
def get_library(request, allow_offline=False):
library_read_declarations()
C = library_open_lib()
C.NK_set_debug_level(int(os.environ.get('LIBNK_DEBUG', 2)))
nk_login = C.NK_login_auto()
if nk_login != 1:
print('No devices detected!')
if not allow_offline:
assert nk_login != 0 # returns 0 if not connected or wrong model or 1 when connected
global device_type
firmware_version = C.NK_get_minor_firmware_version()
model = C.NK_get_device_model()
model = 'P' if model == 1 else 'S' if model == 2 else 'U'
device_type = (model, firmware_version)
print('Connected library: {}'.format(gs(C.NK_get_library_version())))
print('Connected device: {} {}'.format(model, firmware_version))
# assert C.NK_first_authenticate(DefaultPasswords.ADMIN, DefaultPasswords.ADMIN_TEMP) == DeviceErrorCode.STATUS_OK
# assert C.NK_user_authenticate(DefaultPasswords.USER, DefaultPasswords.USER_TEMP) == DeviceErrorCode.STATUS_OK
# C.NK_status()
def fin():
print('\nFinishing connection to device')
C.NK_logout()
print('Finished')
if request:
request.addfinalizer(fin)
# C.NK_set_debug(True)
C.NK_set_debug_level(int(os.environ.get('LIBNK_DEBUG', 3)))
return AttrProxy(C, "libnitrokey C")
def library_open_lib():
C = None
path_build = os.path.join("..", "build")
paths = [
os.environ.get('LIBNK_PATH', None),
os.path.join(path_build, "libnitrokey.so"),
os.path.join(path_build, "libnitrokey.dylib"),
os.path.join(path_build, "libnitrokey.dll"),
os.path.join(path_build, "nitrokey.dll"),
]
for p in paths:
if not p: continue
print("Trying " + p)
p = os.path.abspath(p)
if os.path.exists(p):
print("Found: " + p)
C = ffi.dlopen(p)
break
else:
print("File does not exist: " + p)
if not C:
print("No library file found")
sys.exit(1)
return C
def library_read_declarations():
fp = '../NK_C_API.h'
declarations = []
with open(fp, 'r') as f:
declarations = f.readlines()
cnt = 0
a = iter(declarations)
for declaration in a:
if declaration.strip().startswith('NK_C_API') \
or declaration.strip().startswith('struct'):
declaration = declaration.replace('NK_C_API', '').strip()
while ');' not in declaration and '};' not in declaration:
declaration += (next(a)).strip() + '\n'
ffi.cdef(declaration, override=True)
cnt += 1
print('Imported {} declarations'.format(cnt))
def pytest_addoption(parser):
parser.addoption("--run-skipped", action="store_true",
help="run the tests skipped by default, e.g. adding side effects")
def pytest_runtest_setup(item):
if 'skip_by_default' in item.keywords and not item.config.getoption("--run-skipped"):
pytest.skip("need --run-skipped option to run this test")
def library_device_reconnect(C):
C.NK_logout()
C = library_open_lib()
C.NK_logout()
assert C.NK_login_auto() == 1, 'Device not found'
return C
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