//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 from socket import IPPROTO_TCP, IPPROTO_UDP from typing import Iterable, Optional, Tuple, Union from .mixins import MatchContext from .query import PolicyQuery from .policyrep import Portcon, PortconRange, PortconProtocol from .util import match_range class PortconQuery(MatchContext, PolicyQuery): """ Port context query. Parameter: policy The policy to query. Keyword Parameters/Class attributes: protocol The protocol to match (socket.IPPROTO_TCP for TCP or socket.IPPROTO_UDP for UDP) ports A 2-tuple of the port range to match. (Set both to the same value for a single port) ports_subset If true, the criteria will match if it is a subset of the portcon's range. ports_overlap If true, the criteria will match if it overlaps any of the portcon's range. ports_superset If true, the criteria will match if it is a superset of the portcon's range. ports_proper If true, use proper superset/subset operations. No effect if not using set operations. user The criteria to match the context's user. user_regex If true, regular expression matching will be used on the user. role The criteria to match the context's role. role_regex If true, regular expression matching will be used on the role. type_ The criteria to match the context's type. type_regex If true, regular expression matching will be used on the type. range_ The criteria to match the context's range. 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 operations. No effect if not using set operations. """ _protocol: Optional[PortconProtocol] = None _ports: Optional[PortconRange] = None ports_subset: bool = False ports_overlap: bool = False ports_superset: bool = False ports_proper: bool = False @property def ports(self) -> Optional[PortconRange]: return self._ports @ports.setter def ports(self, value: Optional[Tuple[int, int]]) -> None: if value: pending_ports = PortconRange(*value) if all(pending_ports): if pending_ports.low < 1 or pending_ports.high < 1: raise ValueError("Port numbers must be positive: {0.low}-{0.high}". format(pending_ports)) if pending_ports.low > pending_ports.high: raise ValueError( "The low port must be smaller than the high port: {0.low}-{0.high}". format(pending_ports)) self._ports = pending_ports else: self._ports = None @property def protocol(self) -> Optional[PortconProtocol]: return self._protocol @protocol.setter def protocol(self, value: Optional[Union[str, PortconProtocol]]) -> None: if value: self._protocol = PortconProtocol.lookup(value) else: self._protocol = None def __init__(self, policy, **kwargs) -> None: super(PortconQuery, self).__init__(policy, **kwargs) self.log = logging.getLogger(__name__) def results(self) -> Iterable[Portcon]: """Generator which yields all matching portcons.""" self.log.info("Generating portcon results from {0.policy}".format(self)) self.log.debug("Ports: {0.ports}, overlap: {0.ports_overlap}, " "subset: {0.ports_subset}, superset: {0.ports_superset}, " "proper: {0.ports_proper}".format(self)) self.log.debug("Protocol: {0.protocol!r}".format(self)) self._match_context_debug(self.log) for portcon in self.policy.portcons(): if self.ports and not match_range( portcon.ports, self.ports, self.ports_subset, self.ports_overlap, self.ports_superset, self.ports_proper): continue if self.protocol and self.protocol != portcon.protocol: continue if not self._match_context(portcon.context): continue yield portcon