//usr/lib64/python3.9/site-packages/setools
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__init__.py — 3.24 KB
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boolquery.py — 1.7 KB
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boundsquery.py — 1.8 KB
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categoryquery.py — 1.34 KB
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commonquery.py — 1.58 KB
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constraintquery.py — 4.99 KB
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defaultquery.py — 2.29 KB
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descriptors.py — 9.7 KB
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devicetreeconquery.py — 2.22 KB
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dta.py — 22.67 KB
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exception.py — 5.96 KB
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fsusequery.py — 2.8 KB
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genfsconquery.py — 3.18 KB
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ibendportconquery.py — 3.05 KB
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ibpkeyconquery.py — 4.89 KB
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infoflow.py — 15.54 KB
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initsidquery.py — 2.25 KB
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iomemconquery.py — 4 KB
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ioportconquery.py — 4.02 KB
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mixins.py — 6.82 KB
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mlsrulequery.py — 4.09 KB
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netifconquery.py — 2.4 KB
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nodeconquery.py — 3.9 KB
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objclassquery.py — 3.27 KB
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pcideviceconquery.py — 2.58 KB
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perm_map — 84.1 KB
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permmap.py — 16.2 KB
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pirqconquery.py — 2.48 KB
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polcapquery.py — 1.12 KB
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policyrep.cpython-39-x86_64-linux-gnu.so — 1.45 MB
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policyrep.pyi — 51.03 KB
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portconquery.py — 4.77 KB
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query.py — 1.24 KB
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rbacrulequery.py — 5.33 KB
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rolequery.py — 1.95 KB
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sensitivityquery.py — 2.22 KB
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terulequery.py — 8.73 KB
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typeattrquery.py — 2.11 KB
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typequery.py — 2.95 KB
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userquery.py — 4.19 KB
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util.py — 7.59 KB
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# Copyright 2014-2015, Tresys Technology, LLC # # SPDX-License-Identifier: LGPL-2.1-only # import logging import re from typing import cast, Iterable, Optional, Pattern, Union from . import mixins, query from .descriptors import CriteriaDescriptor, CriteriaSetDescriptor from .exception import InvalidType, RuleUseError from .policyrep import AnyRBACRule, RBACRuletype, Role, TypeOrAttr from .util import match_indirect_regex class RBACRuleQuery(mixins.MatchObjClass, query.PolicyQuery): """ Query the RBAC rules. Parameter: policy The policy to query. Keyword Parameters/Class attributes: ruletype The list of rule type(s) to match. source The name of the source role/attribute to match. source_indirect If true, members of an attribute will be matched rather than the attribute itself. source_regex If true, regular expression matching will be used on the source role/attribute. Obeys the source_indirect option. target The name of the target role/attribute to match. target_indirect If true, members of an attribute will be matched rather than the attribute itself. target_regex If true, regular expression matching will be used on the target role/attribute. Obeys target_indirect option. tclass The object class(es) to match. tclass_regex If true, use a regular expression for matching the rule's object class. default The name of the default role to match. default_regex If true, regular expression matching will be used on the default role. """ ruletype = CriteriaSetDescriptor(enum_class=RBACRuletype) source = CriteriaDescriptor("source_regex", "lookup_role") source_regex: bool = False source_indirect: bool = True _target: Optional[Union[Pattern, Role, TypeOrAttr]] = None target_regex: bool = False target_indirect: bool = True tclass = CriteriaSetDescriptor("tclass_regex", "lookup_class") tclass_regex: bool = False default = CriteriaDescriptor("default_regex", "lookup_role") default_regex: bool = False @property def target(self) -> Optional[Union[Pattern, Role, TypeOrAttr]]: return self._target @target.setter def target(self, value: Optional[Union[str, Role, TypeOrAttr]]) -> None: if not value: self._target = None elif self.target_regex: self._target = re.compile(value) else: try: self._target = self.policy.lookup_type_or_attr(cast(Union[str, TypeOrAttr], value)) except InvalidType: self._target = self.policy.lookup_role(cast(Union[str, Role], value)) def __init__(self, policy, **kwargs) -> None: super(RBACRuleQuery, self).__init__(policy, **kwargs) self.log = logging.getLogger(__name__) def results(self) -> Iterable[AnyRBACRule]: """Generator which yields all matching RBAC rules.""" self.log.info("Generating RBAC rule results from {0.policy}".format(self)) self.log.debug("Ruletypes: {0.ruletype}".format(self)) self.log.debug("Source: {0.source!r}, indirect: {0.source_indirect}, " "regex: {0.source_regex}".format(self)) self.log.debug("Target: {0.target!r}, indirect: {0.target_indirect}, " "regex: {0.target_regex}".format(self)) self._match_object_class_debug(self.log) self.log.debug("Default: {0.default!r}, regex: {0.default_regex}".format(self)) for rule in self.policy.rbacrules(): # # Matching on rule type # if self.ruletype: if rule.ruletype not in self.ruletype: continue # # Matching on source role # if self.source and not match_indirect_regex( rule.source, self.source, self.source_indirect, self.source_regex): continue # # Matching on target type (role_transition)/role(allow) # if self.target and not match_indirect_regex( rule.target, self.target, self.target_indirect, self.target_regex): continue # # Matching on object class # try: if not self._match_object_class(rule): continue except RuleUseError: continue # # Matching on default role # if self.default: try: # because default role is always a single # role, hard-code indirect to True # so the criteria can be an attribute if not match_indirect_regex( rule.default, self.default, True, self.default_regex): continue except RuleUseError: continue # if we get here, we have matched all available criteria yield rule