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Nama	Ukuran	Aksi
__pycache__	-	Open
bool.py	2.43 MB	View DL Edit
bounds.py	3.69 MB	View DL Edit
commons.py	2.15 MB	View DL Edit
conditional.py	1.23 MB	View DL Edit
constraints.py	8.2 MB	View DL Edit
context.py	1.36 MB	View DL Edit
default.py	3.54 MB	View DL Edit
descriptors.py	1.04 MB	View DL Edit
difference.py	5.36 MB	View DL Edit
fsuse.py	2.49 MB	View DL Edit
genfscon.py	2.66 MB	View DL Edit
ibendportcon.py	2.58 MB	View DL Edit
ibpkeycon.py	2.59 MB	View DL Edit
initsid.py	1.95 MB	View DL Edit
mls.py	9.91 MB	View DL Edit
mlsrules.py	4.55 MB	View DL Edit
netifcon.py	3.05 MB	View DL Edit
nodecon.py	2.59 MB	View DL Edit
objclass.py	3.08 MB	View DL Edit
polcap.py	1.09 MB	View DL Edit
portcon.py	2.57 MB	View DL Edit
properties.py	1.78 MB	View DL Edit
rbacrules.py	6.4 MB	View DL Edit
roles.py	2.66 MB	View DL Edit
terules.py	24.09 MB	View DL Edit
typeattr.py	2.8 MB	View DL Edit
types.py	4.17 MB	View DL Edit
typing.py	458 B	View DL Edit
users.py	5.35 MB	View DL Edit
__init__.py	2.52 MB	View DL Edit

Edit file: /lib64/python3.9/site-packages/setools/diff/typeattr.py

# Copyright 2016, Tresys Technology, LLC
# Copyright 2018, Chris PeBenito <pebenito@ieee.org>
#
# SPDX-License-Identifier: LGPL-2.1-only
#
from collections import defaultdict
from typing import NamedTuple, Set

from ..policyrep import Type, TypeAttribute

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

_typeattr_cache: SymbolCache[TypeAttribute] = defaultdict(dict)

class ModifiedTypeAttribute(NamedTuple):

"""Difference details for a modified type attribute."""

added_types: Set[Type]
    removed_types: Set[Type]
    matched_types: Set[Type]

def typeattr_wrapper_factory(attr: TypeAttribute) -> SymbolWrapper[TypeAttribute]:
    """
    Wrap type attributes from the specified policy.

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

class TypeAttributesDifference(Difference):

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

added_type_attributes = DiffResultDescriptor("diff_type_attributes")
    removed_type_attributes = DiffResultDescriptor("diff_type_attributes")
    modified_type_attributes = DiffResultDescriptor("diff_type_attributes")

def diff_type_attributes(self) -> None:
        """Generate the difference in type attributes between the policies."""

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

self.added_type_attributes, self.removed_type_attributes, matched_attributes = \
            self._set_diff(
                (SymbolWrapper(r) for r in self.left_policy.typeattributes()),
                (SymbolWrapper(r) for r in self.right_policy.typeattributes()))

self.modified_type_attributes = dict()

for left_attribute, right_attribute in matched_attributes:
            # Criteria for modified attributes
            # 1. change to type set
            added_types, removed_types, matched_types = self._set_diff(
                (SymbolWrapper(t) for t in left_attribute.expand()),
                (SymbolWrapper(t) for t in right_attribute.expand()))

if added_types or removed_types:
                self.modified_type_attributes[left_attribute] = ModifiedTypeAttribute(
                    added_types, removed_types, matched_types)

#
    # Internal functions
    #
    def _reset_diff(self) -> None:
        """Reset diff results on policy changes."""
        self.log.debug("Resetting type attribute differences")
        self.added_type_attributes = None
        self.removed_type_attributes = None
        self.modified_type_attributes = None

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