FM / setools

/usr/lib64/python3.9/site-packages/setools/

/usr/lib64/python3.9/site-packages/setools

Name	Size	Mode	Actions
checker/	-	0755	rm
diff/	-	0755	rm
__pycache__/	-	0755	rm
boolquery.py	1742	0644	edit dl rm
boundsquery.py	1845	0644	edit dl rm
categoryquery.py	1375	0644	edit dl rm
commonquery.py	1613	0644	edit dl rm
constraintquery.py	5110	0644	edit dl rm
defaultquery.py	2340	0644	edit dl rm
descriptors.py	9932	0644	edit dl rm
devicetreeconquery.py	2276	0644	edit dl rm
dta.py	23211	0644	edit dl rm
exception.py	6104	0644	edit dl rm
fsusequery.py	2868	0644	edit dl rm
genfsconquery.py	3260	0644	edit dl rm
ibendportconquery.py	3126	0644	edit dl rm
ibpkeyconquery.py	5006	0644	edit dl rm
infoflow.py	15913	0644	edit dl rm
initsidquery.py	2309	0644	edit dl rm
iomemconquery.py	4095	0644	edit dl rm
ioportconquery.py	4120	0644	edit dl rm
mixins.py	6980	0644	edit dl rm
mlsrulequery.py	4186	0644	edit dl rm
netifconquery.py	2456	0644	edit dl rm
nodeconquery.py	3997	0644	edit dl rm
objclassquery.py	3348	0644	edit dl rm
pcideviceconquery.py	2642	0644	edit dl rm
permmap.py	16585	0644	edit dl rm
perm_map	86114	0644	edit dl rm
pirqconquery.py	2538	0644	edit dl rm
polcapquery.py	1144	0644	edit dl rm
policyrep.cpython-39-x86_64-linux-gnu.so	1522808	0755	edit dl rm
policyrep.pyi	52253	0644	edit dl rm
portconquery.py	4889	0644	edit dl rm
py.typed	0	0644	edit dl rm
query.py	1268	0644	edit dl rm
rbacrulequery.py	5463	0644	edit dl rm
rolequery.py	1997	0644	edit dl rm
sensitivityquery.py	2270	0644	edit dl rm
terulequery.py	8939	0644	edit dl rm
typeattrquery.py	2157	0644	edit dl rm
typequery.py	3021	0644	edit dl rm
userquery.py	4290	0644	edit dl rm
util.py	7773	0644	edit dl rm
__init__.py	3316	0644	edit dl rm

Edit: /usr/lib64/python3.9/site-packages/setools/mixins.py (6980B)

# Copyright 2015, Tresys Technology, LLC
# Copyright 2019, Chris PeBenito <pebenito@ieee.org>
#
# SPDX-License-Identifier: LGPL-2.1-only
#
# pylint: disable=attribute-defined-outside-init,no-member
import re
from logging import Logger
from typing import Iterable

from .descriptors import CriteriaDescriptor, CriteriaSetDescriptor, CriteriaPermissionSetDescriptor
from .policyrep import Context
from .util import match_in_set, match_regex, match_range, match_regex_or_set

class MatchAlias:

"""Mixin for matching an object's aliases."""

alias = CriteriaDescriptor("alias_regex")
    alias_regex: bool = False

def _match_alias_debug(self, log: Logger) -> None:
        """Emit log debugging info for alias matching."""
        log.debug("Alias: {0.alias}, regex: {0.alias_regex}".format(self))

def _match_alias(self, obj):
        """
        Match the alias criteria

Parameter:
        obj     An object with an alias generator method named "aliases"
        """

if not self.alias:
            # if there is no criteria, everything matches.
            return True

return match_in_set(obj.aliases(), self.alias, self.alias_regex)

class MatchContext:

"""
    Mixin for matching contexts.

Class attributes:
    user            The user to match in the context.
    user_regex      If true, regular expression matching
                    will be used on the user.
    role            The role to match in the context.
    role_regex      If true, regular expression matching
                    will be used on the role.
    type_           The type to match in the context.
    type_regex      If true, regular expression matching
                    will be used on the type.
    range_          The range to match in the context.
    range_subset    If true, the criteria will match if it
                    is a subset of the context's range.
    range_overlap   If true, the criteria will match if it
                    overlaps any of the context's range.
    range_superset  If true, the criteria will match if it
                    is a superset of the context's range.
    range_proper    If true, use proper superset/subset
                    on range matching operations.
                    No effect if not using set operations.
    """

user = CriteriaDescriptor("user_regex", "lookup_user")
    user_regex: bool = False
    role = CriteriaDescriptor("role_regex", "lookup_role")
    role_regex: bool = False
    type_ = CriteriaDescriptor("type_regex", "lookup_type")
    type_regex: bool = False
    range_ = CriteriaDescriptor(lookup_function="lookup_range")
    range_overlap: bool = False
    range_subset: bool = False
    range_superset: bool = False
    range_proper: bool = False

def _match_context_debug(self, log: Logger):
        """Emit log debugging info for context matching."""
        log.debug("User: {0.user!r}, regex: {0.user_regex}".format(self))
        log.debug("Role: {0.role!r}, regex: {0.role_regex}".format(self))
        log.debug("Type: {0.type_!r}, regex: {0.type_regex}".format(self))
        log.debug("Range: {0.range_!r}, subset: {0.range_subset}, overlap: {0.range_overlap}, "
                  "superset: {0.range_superset}, proper: {0.range_proper}".format(self))

def _match_context(self, context: Context) -> bool:
        """
        Match the context criteria.

Parameter:
        obj     An object with context attributes "user", "role",
                "type_" and "range_".
        """

if self.user and not match_regex(
                context.user,
                self.user,
                self.user_regex):
            return False

if self.role and not match_regex(
                context.role,
                self.role,
                self.role_regex):
            return False

if self.type_ and not match_regex(
                context.type_,
                self.type_,
                self.type_regex):
            return False

if self.range_ and not match_range(
                context.range_,
                self.range_,
                self.range_subset,
                self.range_overlap,
                self.range_superset,
                self.range_proper):
            return False

return True

class MatchName:

"""Mixin for matching an object's name with alias dereferencing."""

name = CriteriaDescriptor("name_regex")
    name_regex: bool = False
    alias_deref: bool = False

def _match_name_debug(self, log: Logger) -> None:
        """Log debugging messages for name matching."""
        log.debug("Name: {0.name!r}, regex: {0.name_regex}, deref: {0.alias_deref}".format(self))

def _match_name(self, obj):
        """Match the object to the name criteria."""
        if not self.name:
            # if there is no criteria, everything matches.
            return True

if self.alias_deref:
            return match_regex(obj, self.name, self.name_regex) or \
                match_in_set(obj.aliases(), self.name, self.name_regex)
        else:
            return match_regex(obj, self.name, self.name_regex)

class MatchObjClass:

"""Mixin for matching an object's class."""

tclass = CriteriaSetDescriptor("tclass_regex", "lookup_class")
    tclass_regex: bool = False

def _match_object_class_debug(self, log: Logger) -> None:
        """Emit log debugging info for permission matching."""
        log.debug("Class: {0.tclass!r}, regex: {0.tclass_regex}".format(self))

def _match_object_class(self, obj):
        """
        Match the object class criteria

Parameter:
        obj     An object with an object class attribute named "tclass"
        """

if not self.tclass:
            # if there is no criteria, everything matches.
            return True
        elif self.tclass_regex:
            return bool(self.tclass.search(str(obj.tclass)))
        else:
            return obj.tclass in self.tclass

class MatchPermission:

"""Mixin for matching an object's permissions."""

perms = CriteriaPermissionSetDescriptor(name_regex="perms_regex")
    perms_equal: bool = False
    perms_regex: bool = False
    perms_subset: bool = False

def _match_perms_debug(self, log: Logger):
        """Emit log debugging info for permission matching."""
        log.debug("Perms: {0.perms!r}, regex: {0.perms_regex}, eq: {0.perms_equal}, "
                  "subset: {0.perms_subset!r}".format(self))

def _match_perms(self, obj):
        """
        Match the permission criteria

Parameter:
        obj     An object with a permission set class attribute named "perms"
        """

if not self.perms:
            # if there is no criteria, everything matches.
            return True

if self.perms_subset:
            return obj.perms >= self.perms
        else:
            return match_regex_or_set(obj.perms, self.perms, self.perms_equal, self.perms_regex)

cmd: