Gecko [ thearyasamaj.org ]

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

Code Editor : bool.py

# Copyright 2016, Tresys Technology, LLC
# Copyright 2018, Chris PeBenito <pebenito@ieee.org>
#
# 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 defaultdict, namedtuple

from .descriptors import DiffResultDescriptor
from .difference import Difference, SymbolWrapper

modified_bool_record = namedtuple("modified_boolean", ["added_state", "removed_state"])

_bool_cache = defaultdict(dict)

def boolean_wrapper(policy, boolean):
    """
    Wrap booleans from the specified policy.

This caches results to prevent duplicate wrapper
    objects in memory.
    """
    try:
        return _bool_cache[policy][boolean]
    except KeyError:
        b = SymbolWrapper(boolean)
        _bool_cache[policy][boolean] = b
        return b

class BooleansDifference(Difference):

"""Determine the difference in type attributes between two policies."""

added_booleans = DiffResultDescriptor("diff_booleans")
    removed_booleans = DiffResultDescriptor("diff_booleans")
    modified_booleans = DiffResultDescriptor("diff_booleans")

def diff_booleans(self):
        """Generate the difference in type attributes between the policies."""

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

self.added_booleans, self.removed_booleans, matched_booleans = \
            self._set_diff(
                (SymbolWrapper(b) for b in self.left_policy.bools()),
                (SymbolWrapper(b) for b in self.right_policy.bools()))

self.modified_booleans = dict()

for left_boolean, right_boolean in matched_booleans:
            # Criteria for modified booleans
            # 1. change to default state
            if left_boolean.state != right_boolean.state:
                self.modified_booleans[left_boolean] = modified_bool_record(right_boolean.state,
                                                                            left_boolean.state)

#
    # Internal functions
    #
    def _reset_diff(self):
        """Reset diff results on policy changes."""
        self.log.debug("Resetting Boolean differences")
        self.added_booleans = None
        self.removed_booleans = None
        self.modified_booleans = None

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Code Editor : bool.py