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https://github.com/SELinuxProject/setools
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89 lines
3.1 KiB
Python
89 lines
3.1 KiB
Python
# Copyright 2018, Chris PeBenito <pebenito@ieee.org>
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#
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# SPDX-License-Identifier: LGPL-2.1-only
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#
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import logging
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from typing import Iterable, Optional
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from .mixins import MatchContext, MatchName
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from .policyrep import Ibendportcon
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from .query import PolicyQuery
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from .util import match_regex
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class IbendportconQuery(MatchContext, MatchName, PolicyQuery):
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"""
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Infiniband endport context query.
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Parameter:
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policy The policy to query.
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Keyword Parameters/Class attributes:
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name The name of the network interface to match.
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name_regex If true, regular expression matching will
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be used for matching the name.
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port The port number to match.
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user The criteria to match the context's user.
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user_regex If true, regular expression matching
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will be used on the user.
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role The criteria to match the context's role.
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role_regex If true, regular expression matching
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will be used on the role.
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type_ The criteria to match the context's type.
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type_regex If true, regular expression matching
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will be used on the type.
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range_ The criteria to match the context's range.
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range_subset If true, the criteria will match if it is a subset
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of the context's range.
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range_overlap If true, the criteria will match if it overlaps
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any of the context's range.
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range_superset If true, the criteria will match if it is a superset
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of the context's range.
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range_proper If true, use proper superset/subset operations.
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No effect if not using set operations.
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"""
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_port: Optional[int] = None
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@property
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def port(self) -> Optional[int]:
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return self._port
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@port.setter
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def port(self, value: Optional[int]) -> None:
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if value:
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pending_value = int(value)
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if not 0 < pending_value < 256:
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raise ValueError("Endport value must be 1-255.")
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self._port = pending_value
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else:
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self._port = None
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def __init__(self, policy, **kwargs):
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super(IbendportconQuery, self).__init__(policy, **kwargs)
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self.log = logging.getLogger(__name__)
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def results(self) -> Iterable[Ibendportcon]:
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"""Generator which yields all matching ibendportcons."""
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self.log.info("Generating ibendportcon results from {0.policy}".format(self))
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self._match_name_debug(self.log)
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self.log.debug("Port: {0.port!r}".format(self))
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self._match_context_debug(self.log)
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for endport in self.policy.ibendportcons():
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if self.name and not match_regex(
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endport.name,
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self.name,
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self.name_regex):
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continue
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if self.port is not None and self.port != endport.port:
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continue
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if not self._match_context(endport.context):
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continue
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yield endport
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