/usr/lib/python3/dist-packages/setools/policyrep/bounds.py is in python3-setools 4.0.1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | # Copyright 2016, Tresys Technology, LLC
#
# This file is part of SETools.
#
# SETools is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of
# the License, or (at your option) any later version.
#
# SETools is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with SETools. If not, see
# <http://www.gnu.org/licenses/>.
#
from . import exception
from .symbol import PolicySymbol
from .qpol import qpol_typebounds_t
from .typeattr import type_factory
def bounds_factory(policy, sym):
"""Factory for creating bounds statement objects."""
if isinstance(sym, qpol_typebounds_t):
return Bounds(policy, sym)
else:
raise TypeError("typebounds rules cannot be looked up.")
def validate_ruletype(t):
"""Validate *bounds rule types."""
if t not in ["typebounds"]:
raise exception.InvalidBoundsType("{0} is not a valid *bounds rule type.".format(t))
return t
class Bounds(PolicySymbol):
"""A typebounds statement."""
def __str__(self):
return "{0.ruletype} {0.parent} {0.child};".format(self)
def __hash__(self):
return hash("{0.ruletype}|{0.child};".format(self))
ruletype = "typebounds"
@property
def parent(self):
return type_factory(self.policy, self.qpol_symbol.parent_name(self.policy))
@property
def child(self):
return type_factory(self.policy, self.qpol_symbol.child_name(self.policy))
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