setools/libapol/initsidquery.py
Chris PeBenito d1050e4d9c Add initial SID query.
Range portion of context match still needs to be defined.
2014-10-08 11:31:05 -04:00

83 lines
2.8 KiB
Python

# Copyright 2014, Tresys Technology, LLC
#
# This file is part of SETools.
#
# SETools 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 2.1 of
# the License, or (at your option) any later version.
#
# SETools 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with SETools. If not, see
# <http://www.gnu.org/licenses/>.
#
import compquery
import contextquery
class InitialSIDQuery(compquery.ComponentQuery, contextquery.ContextQuery):
"""Initial SID (context) query."""
def __init__(self, policy,
name="", name_regex=False,
user="", user_regex=False,
role="", role_regex=False,
type_="", type_regex=False,
range_=""):
"""
Parameters:
policy The policy to query.
user The criteria to match the context's user.
user_regex If true, regular expression matching
will be used on the user.
role The criteria to match the context's role.
role_regex If true, regular expression matching
will be used on the role.
type_ The criteria to match the context's type.
type_regex If true, regular expression matching
will be used on the type.
range_ The criteria to match the context's range.
"""
self.policy = policy
self.set_name(name, regex=name_regex)
self.set_user(user, regex=user_regex)
self.set_role(role, regex=role_regex)
self.set_type(type_, regex=type_regex)
self.set_range(range_)
def results(self):
"""Generator which yields all matching initial SIDs."""
for i in self.policy.initialsids():
if self.name and not self._match_regex(
i,
self.name,
self.name_regex,
self.name_cmp):
continue
if not self._match_context(
i.context,
self.user,
self.user_regex,
self.user_cmp,
self.role,
self.role_regex,
self.role_cmp,
self.type_,
self.type_regex,
self.type_cmp,
self.range_):
continue
yield i