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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-02-12 23:51
__init__.py	3.15 KB	-rw-r--r--	2020-04-01 14:57
bool.py	2.83 KB	-rw-r--r--	2020-04-01 14:57
bounds.py	4.1 KB	-rw-r--r--	2020-04-01 14:57
commons.py	2.82 KB	-rw-r--r--	2020-04-01 14:57
conditional.py	1.68 KB	-rw-r--r--	2020-04-01 14:57
constraints.py	8.64 KB	-rw-r--r--	2020-04-01 14:57
context.py	1.89 KB	-rw-r--r--	2020-04-01 14:57
default.py	4.14 KB	-rw-r--r--	2020-04-01 14:57
descriptors.py	1.6 KB	-rw-r--r--	2020-04-01 14:57
difference.py	5.66 KB	-rw-r--r--	2020-04-01 14:57
fsuse.py	3.11 KB	-rw-r--r--	2020-04-01 14:57
genfscon.py	3.25 KB	-rw-r--r--	2020-04-01 14:57
ibendportcon.py	3.28 KB	-rw-r--r--	2020-04-01 14:57
ibpkeycon.py	3.29 KB	-rw-r--r--	2020-04-01 14:57
initsid.py	2.48 KB	-rw-r--r--	2020-04-01 14:57
mls.py	10.31 KB	-rw-r--r--	2020-04-01 14:57
mlsrules.py	4.8 KB	-rw-r--r--	2020-04-01 14:57
netifcon.py	3.71 KB	-rw-r--r--	2020-04-01 14:57
nodecon.py	3.21 KB	-rw-r--r--	2020-04-01 14:57
objclass.py	3.6 KB	-rw-r--r--	2020-04-01 14:57
polcap.py	1.7 KB	-rw-r--r--	2020-04-01 14:57
portcon.py	3.19 KB	-rw-r--r--	2020-04-01 14:57
properties.py	2.33 KB	-rw-r--r--	2020-04-01 14:57
rbacrules.py	6.42 KB	-rw-r--r--	2020-04-01 14:57
roles.py	3.2 KB	-rw-r--r--	2020-04-01 14:57
terules.py	23.71 KB	-rw-r--r--	2020-04-01 14:57
typeattr.py	3.28 KB	-rw-r--r--	2020-04-01 14:57
types.py	4.86 KB	-rw-r--r--	2020-04-01 14:57
users.py	5.4 KB	-rw-r--r--	2020-04-01 14:57

Rename

# Copyright 2016, 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/>.
#
from collections import namedtuple

from .context import ContextWrapper
from .descriptors import DiffResultDescriptor
from .difference import Difference, Wrapper

modified_netifcon_record = namedtuple("modified_netifcon", ["rule",
                                                            "added_context",
                                                            "removed_context",
                                                            "added_packet",
                                                            "removed_packet"])

class NetifconsDifference(Difference):

"""Determine the difference in netifcons between two policies."""

added_netifcons = DiffResultDescriptor("diff_netifcons")
    removed_netifcons = DiffResultDescriptor("diff_netifcons")
    modified_netifcons = DiffResultDescriptor("diff_netifcons")

def diff_netifcons(self):
        """Generate the difference in netifcons between the policies."""

self.log.info("Generating netifcon differences from {0.left_policy} to {0.right_policy}".
                      format(self))

self.added_netifcons, self.removed_netifcons, matched_netifcons = self._set_diff(
            (NetifconWrapper(n) for n in self.left_policy.netifcons()),
            (NetifconWrapper(n) for n in self.right_policy.netifcons()))

self.modified_netifcons = []

for left_netifcon, right_netifcon in matched_netifcons:
            # Criteria for modified netifcons
            # 1. change to context
            # 2. change to packet context
            if ContextWrapper(left_netifcon.context) != ContextWrapper(right_netifcon.context):
                removed_context = left_netifcon.context
                added_context = right_netifcon.context
            else:
                removed_context = None
                added_context = None

if ContextWrapper(left_netifcon.packet) != ContextWrapper(right_netifcon.packet):
                removed_packet = left_netifcon.packet
                added_packet = right_netifcon.packet
            else:
                removed_packet = None
                added_packet = None

if removed_context or removed_packet:
                self.modified_netifcons.append(modified_netifcon_record(
                    left_netifcon, added_context, removed_context, added_packet, removed_packet))

#
    # Internal functions
    #
    def _reset_diff(self):
        """Reset diff results on policy changes."""
        self.log.debug("Resetting netifcon differences")
        self.added_netifcons = None
        self.removed_netifcons = None
        self.modified_netifcons = None

class NetifconWrapper(Wrapper):

"""Wrap netifcon statements for diff purposes."""

__slots__ = ("netif")

def __init__(self, ocon):
        self.origin = ocon
        self.netif = ocon.netif
        self.key = hash(ocon)

def __hash__(self):
        return self.key

def __lt__(self, other):
        return self.netif < other.netif

def __eq__(self, other):
        return self.netif == other.netif