66 lines
2.5 KiB
Python
66 lines
2.5 KiB
Python
# Copyright 2016 Canonical Limited.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from six import string_types
|
|
|
|
from charmhelpers.contrib.hardening.audits.file import TemplatedFile
|
|
from charmhelpers.contrib.hardening.host import TEMPLATES_DIR
|
|
from charmhelpers.contrib.hardening import utils
|
|
|
|
|
|
def get_audits():
|
|
"""Get OS hardening login.defs audits.
|
|
|
|
:returns: dictionary of audits
|
|
"""
|
|
audits = [TemplatedFile('/etc/login.defs', LoginContext(),
|
|
template_dir=TEMPLATES_DIR,
|
|
user='root', group='root', mode=0o0444)]
|
|
return audits
|
|
|
|
|
|
class LoginContext(object):
|
|
|
|
def __call__(self):
|
|
settings = utils.get_settings('os')
|
|
|
|
# Octal numbers in yaml end up being turned into decimal,
|
|
# so check if the umask is entered as a string (e.g. '027')
|
|
# or as an octal umask as we know it (e.g. 002). If its not
|
|
# a string assume it to be octal and turn it into an octal
|
|
# string.
|
|
umask = settings['environment']['umask']
|
|
if not isinstance(umask, string_types):
|
|
umask = '%s' % oct(umask)
|
|
|
|
ctxt = {
|
|
'additional_user_paths':
|
|
settings['environment']['extra_user_paths'],
|
|
'umask': umask,
|
|
'pwd_max_age': settings['auth']['pw_max_age'],
|
|
'pwd_min_age': settings['auth']['pw_min_age'],
|
|
'uid_min': settings['auth']['uid_min'],
|
|
'sys_uid_min': settings['auth']['sys_uid_min'],
|
|
'sys_uid_max': settings['auth']['sys_uid_max'],
|
|
'gid_min': settings['auth']['gid_min'],
|
|
'sys_gid_min': settings['auth']['sys_gid_min'],
|
|
'sys_gid_max': settings['auth']['sys_gid_max'],
|
|
'login_retries': settings['auth']['retries'],
|
|
'login_timeout': settings['auth']['timeout'],
|
|
'chfn_restrict': settings['auth']['chfn_restrict'],
|
|
'allow_login_without_home': settings['auth']['allow_homeless']
|
|
}
|
|
|
|
return ctxt
|