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NAME	SIZE	ACTIONS
📁 __pycache__		[ DEL ]
📁 io		[ DEL ]
📄 __init__.py	0 B	[ EDIT ] \| [ DEL ]
📄 base.py	2,102 B	[ EDIT ] \| [ DEL ]
📄 ebtables.py	9,390 B	[ EDIT ] \| [ DEL ]
📄 fw.py	50,405 B	[ EDIT ] \| [ DEL ]
📄 fw_config.py	48,408 B	[ EDIT ] \| [ DEL ]
📄 fw_direct.py	22,518 B	[ EDIT ] \| [ DEL ]
📄 fw_helper.py	1,833 B	[ EDIT ] \| [ DEL ]
📄 fw_icmptype.py	2,485 B	[ EDIT ] \| [ DEL ]
📄 fw_ifcfg.py	2,562 B	[ EDIT ] \| [ DEL ]
📄 fw_ipset.py	9,674 B	[ EDIT ] \| [ DEL ]
📄 fw_nm.py	7,186 B	[ EDIT ] \| [ DEL ]
📄 fw_policies.py	2,803 B	[ EDIT ] \| [ DEL ]
📄 fw_policy.py	87,613 B	[ EDIT ] \| [ DEL ]
📄 fw_service.py	1,639 B	[ EDIT ] \| [ DEL ]
📄 fw_transaction.py	6,310 B	[ EDIT ] \| [ DEL ]
📄 fw_zone.py	45,689 B	[ EDIT ] \| [ DEL ]
📄 helper.py	804 B	[ EDIT ] \| [ DEL ]
📄 icmp.py	3,101 B	[ EDIT ] \| [ DEL ]
📄 ipXtables.py	61,878 B	[ EDIT ] \| [ DEL ]
📄 ipset.py	12,913 B	[ EDIT ] \| [ DEL ]
📄 logger.py	31,038 B	[ EDIT ] \| [ DEL ]
📄 modules.py	3,822 B	[ EDIT ] \| [ DEL ]
📄 nftables.py	101,143 B	[ EDIT ] \| [ DEL ]
📄 prog.py	1,510 B	[ EDIT ] \| [ DEL ]
📄 rich.py	33,848 B	[ EDIT ] \| [ DEL ]
📄 watcher.py	3,228 B	[ EDIT ] \| [ DEL ]

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EDIT: fw_policies.py

# -*- coding: utf-8 -*-
#
# Copyright (C) 2011-2016 Red Hat, Inc.
#
# Authors:
# Thomas Woerner <twoerner@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

__all__ = [ "FirewallPolicies" ]

from firewall import config
from firewall.core.logger import log
from firewall.core.io.lockdown_whitelist import LockdownWhitelist
from firewall import errors
from firewall.errors import FirewallError

class FirewallPolicies(object):
    def __init__(self):
        self._lockdown = False
        self.lockdown_whitelist = LockdownWhitelist(config.LOCKDOWN_WHITELIST)

def __repr__(self):
        return '%s(%r, %r)' % (self.__class__, self._lockdown,
                                           self.lockdown_whitelist)

def cleanup(self):
        self._lockdown = False
        self.lockdown_whitelist.cleanup()

# lockdown

def access_check(self, key, value):
        if key == "context":
            log.debug2('Doing access check for context "%s"' % value)
            if self.lockdown_whitelist.match_context(value):
                log.debug3('context matches.')
                return True
        elif key == "uid":
            log.debug2('Doing access check for uid %d' % value)
            if self.lockdown_whitelist.match_uid(value):
                log.debug3('uid matches.')
                return True
        elif key == "user":
            log.debug2('Doing access check for user "%s"' % value)
            if self.lockdown_whitelist.match_user(value):
                log.debug3('user matches.')
                return True
        elif key == "command":
            log.debug2('Doing access check for command "%s"' % value)
            if self.lockdown_whitelist.match_command(value):
                log.debug3('command matches.')
                return True
        return False

def enable_lockdown(self):
        if self._lockdown:
            raise FirewallError(errors.ALREADY_ENABLED, "enable_lockdown()")
        self._lockdown = True

def disable_lockdown(self):
        if not self._lockdown:
            raise FirewallError(errors.NOT_ENABLED, "disable_lockdown()")
        self._lockdown = False

def query_lockdown(self):
        return self._lockdown