mirror of
https://github.com/SELinuxProject/setools
synced 2025-02-19 13:37:04 +00:00
583 lines
28 KiB
Python
Executable File
583 lines
28 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright 2015-2016, Tresys Technology, LLC
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#
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# This file is part of SETools.
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#
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# SETools is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# SETools is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with SETools. If not, see <http://www.gnu.org/licenses/>.
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#
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from __future__ import print_function
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import setools
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import argparse
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import sys
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import logging
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from itertools import chain
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parser = argparse.ArgumentParser(description="SELinux policy difference tool.")
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parser.add_argument("POLICY1", help="Path to the first SELinux policy to diff.", nargs=1)
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parser.add_argument("POLICY2", help="Path to the second SELinux policy to diff.", nargs=1)
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parser.add_argument("--version", action="version", version=setools.__version__)
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parser.add_argument("--stats", action="store_true",
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help="Display only statistics.")
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parser.add_argument("-v", "--verbose", action="store_true",
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help="Print extra informational messages")
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parser.add_argument("--debug", action="store_true", dest="debug", help="Enable debugging.")
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comp = parser.add_argument_group("Component Differences")
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comp.add_argument("--common", action="store_true", help="Print common differences")
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comp.add_argument("-c", "--class", action="store_true", help="Print class differences",
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dest="class_")
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comp.add_argument("-t", "--type", action="store_true", help="Print type differences",
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dest="type_")
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comp.add_argument("-a", "--attribute", action="store_true", help="Print type attribute differences")
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comp.add_argument("-r", "--role", action="store_true", help="Print role differences")
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comp.add_argument("-u", "--user", action="store_true", help="Print type differences")
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comp.add_argument("-b", "--bool", action="store_true", help="Print type differences",
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dest="bool_")
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comp.add_argument("--sensitivity", action="store_true", help="Print MLS sensitivity differences")
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comp.add_argument("--category", action="store_true", help="Print MLS category differences")
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comp.add_argument("--level", action="store_true", help="Print MLS level definition differences")
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terule = parser.add_argument_group("Type Enforcement Rule Differences")
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terule.add_argument("-A", "--allow", action="store_true", help="Print allow rule differences")
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terule.add_argument("--neverallow", action="store_true", help="Print neverallow rule differences")
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terule.add_argument("--auditallow", action="store_true", help="Print auditallow rule differences")
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terule.add_argument("--dontaudit", action="store_true", help="Print dontaudit rule differences")
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terule.add_argument("-T", "--type_trans", action="store_true",
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help="Print type_transition rule differences")
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terule.add_argument("--type_change", action="store_true", help="Print type_change rule differences")
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terule.add_argument("--type_member", action="store_true",
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help="Print type_member rule differences")
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rbacrule = parser.add_argument_group("RBAC Rule Differences")
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rbacrule.add_argument("--role_allow", action="store_true", help="Print role allow rule differences")
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rbacrule.add_argument("--role_trans", action="store_true",
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help="Print role_transition rule differences")
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mlsrule = parser.add_argument_group("MLS Rule Differences")
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mlsrule.add_argument("--range_trans", action="store_true",
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help="Print range_transition rule differences")
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args = parser.parse_args()
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all_differences = not any((args.class_, args.common, args.type_, args.attribute, args.role,
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args.user, args.bool_, args.sensitivity, args.category, args.level,
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args.allow, args.neverallow, args.auditallow, args.dontaudit,
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args.type_trans, args.type_change, args.type_member, args.role_allow,
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args.role_trans, args.range_trans))
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if args.debug:
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logging.basicConfig(level=logging.DEBUG,
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format='%(asctime)s|%(levelname)s|%(name)s|%(message)s')
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elif args.verbose:
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logging.basicConfig(level=logging.INFO, format='%(message)s')
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else:
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logging.basicConfig(level=logging.WARNING, format='%(message)s')
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try:
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p1 = setools.SELinuxPolicy(args.POLICY1[0])
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p2 = setools.SELinuxPolicy(args.POLICY2[0])
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diff = setools.PolicyDifference(p1, p2)
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if all_differences or args.common:
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if diff.added_commons or diff.removed_commons or diff.modified_commons or args.common:
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print("Commons ({0} Added, {1} Removed, {2} Modified)".format(
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len(diff.added_commons), len(diff.removed_commons), len(diff.modified_commons)))
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if diff.added_commons:
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print(" Added Commons: {0}".format(len(diff.added_commons)))
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for c in sorted(diff.added_commons):
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print(" + {0}".format(c))
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if diff.removed_commons:
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print(" Removed Commons: {0}".format(len(diff.removed_commons)))
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for c in sorted(diff.removed_commons):
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print(" - {0}".format(c))
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if diff.modified_commons:
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print(" Modified Commons: {0}".format(len(diff.modified_commons)))
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for name, mod in sorted(diff.modified_commons.items()):
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change = []
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if mod.added_perms:
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change.append("{0} Added permissions".format(len(mod.added_perms)))
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if mod.removed_perms:
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change.append("{0} Removed permissions".format(len(mod.removed_perms)))
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print(" * {0} ({1})".format(name, ", ".join(change)))
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for p in sorted(mod.added_perms):
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print(" + {0}".format(p))
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for p in sorted(mod.removed_perms):
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print(" - {0}".format(p))
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print()
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if all_differences or args.class_:
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if diff.added_classes or diff.removed_classes or diff.modified_classes or args.class_:
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print("Classes ({0} Added, {1} Removed, {2} Modified)".format(
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len(diff.added_classes), len(diff.removed_classes), len(diff.modified_classes)))
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if diff.added_classes:
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print(" Added Classes: {0}".format(len(diff.added_classes)))
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for c in sorted(diff.added_classes):
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print(" + {0}".format(c))
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if diff.removed_classes:
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print(" Removed Classes: {0}".format(len(diff.removed_classes)))
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for c in sorted(diff.removed_classes):
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print(" - {0}".format(c))
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if diff.modified_classes:
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print(" Modified Classes: {0}".format(len(diff.modified_classes)))
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for name, mod in sorted(diff.modified_classes.items()):
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change = []
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if mod.added_perms:
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change.append("{0} Added permissions".format(len(mod.added_perms)))
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if mod.removed_perms:
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change.append("{0} Removed permissions".format(len(mod.removed_perms)))
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print(" * {0} ({1})".format(name, ", ".join(change)))
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for p in sorted(mod.added_perms):
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print(" + {0}".format(p))
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for p in sorted(mod.removed_perms):
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print(" - {0}".format(p))
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print()
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if all_differences or args.role:
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if diff.added_roles or diff.removed_roles or diff.modified_roles or args.role:
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print("Roles ({0} Added, {1} Removed, {2} Modified)".format(len(diff.added_roles),
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len(diff.removed_roles),
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len(diff.modified_roles)))
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if diff.added_roles:
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print(" Added Roles: {0}".format(len(diff.added_roles)))
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for r in sorted(diff.added_roles):
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print(" + {0}".format(r))
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if diff.removed_roles:
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print(" Removed Roles: {0}".format(len(diff.removed_roles)))
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for r in sorted(diff.removed_roles):
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print(" - {0}".format(r))
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if diff.modified_roles:
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print(" Modified Roles: {0}".format(len(diff.modified_roles)))
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for name, mod in sorted(diff.modified_roles.items()):
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change = []
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if mod.added_types:
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change.append("{0} Added types".format(len(mod.added_types)))
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if mod.removed_types:
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change.append("{0} Removed types".format(len(mod.removed_types)))
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print(" * {0} ({1})".format(name, ", ".join(change)))
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for t in sorted(mod.added_types):
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print(" + {0}".format(t))
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for t in sorted(mod.removed_types):
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print(" - {0}".format(t))
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print()
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if all_differences or args.type_:
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if diff.added_types or diff.removed_types or diff.modified_types or args.type_:
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print("Types ({0} Added, {1} Removed, {2} Modified)".format(len(diff.added_types),
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len(diff.removed_types),
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len(diff.modified_types)))
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if diff.added_types:
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print(" Added Types: {0}".format(len(diff.added_types)))
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for r in sorted(diff.added_types):
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print(" + {0}".format(r))
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if diff.removed_types:
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print(" Removed Types: {0}".format(len(diff.removed_types)))
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for r in sorted(diff.removed_types):
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print(" - {0}".format(r))
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if diff.modified_types:
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print(" Modified Types: {0}".format(len(diff.modified_types)))
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for name, mod in sorted(diff.modified_types.items()):
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change = []
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if mod.added_attributes:
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change.append("{0} Added attributes".format(len(mod.added_attributes)))
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if mod.removed_attributes:
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change.append("{0} Removed attributes".format(len(mod.removed_attributes)))
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if mod.added_aliases:
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change.append("{0} Added aliases".format(len(mod.added_aliases)))
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if mod.removed_aliases:
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change.append("{0} Removed aliases".format(len(mod.removed_aliases)))
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if mod.modified_permissive:
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if mod.permissive:
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change.append("Removed permissive")
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else:
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change.append("Added permissive")
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print(" * {0} ({1})".format(name, ", ".join(change)))
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if mod.added_attributes or mod.removed_attributes:
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print(" Attributes:")
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for t in sorted(mod.added_attributes):
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print(" + {0}".format(t))
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for t in sorted(mod.removed_attributes):
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print(" - {0}".format(t))
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if mod.added_aliases or mod.removed_aliases:
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print(" Aliases:")
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for t in sorted(mod.added_aliases):
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print(" + {0}".format(t))
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for t in sorted(mod.removed_aliases):
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print(" - {0}".format(t))
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print()
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if all_differences or args.allow:
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if diff.added_allows or diff.removed_allows or diff.modified_allows or args.allow:
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print("Allow Rules ({0} Added, {1} Removed, {2} Modified)".format(
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len(diff.added_allows), len(diff.removed_allows), len(diff.modified_allows)))
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if diff.added_allows:
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print(" Added Allow Rules: {0}".format(len(diff.added_allows)))
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for r in sorted(diff.added_allows):
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print(" + {0}".format(r))
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if diff.removed_allows:
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print(" Removed Allow Rules: {0}".format(len(diff.removed_allows)))
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for r in sorted(diff.removed_allows):
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print(" - {0}".format(r))
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if diff.modified_allows:
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print(" Modified Allow Rules: {0}".format(len(diff.modified_allows)))
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for rule, added_perms, removed_perms, matched_perms in sorted(diff.modified_allows):
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perms = " ".join(chain((p for p in matched_perms),
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("+" + p for p in added_perms),
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("-" + p for p in removed_perms)))
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rule_string = "{0.ruletype} {0.source} {0.target}:{0.tclass} {{ {1} }};".format(
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rule, perms)
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try:
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rule_string += " [ {0} ]".format(rule.conditional)
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except AttributeError:
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pass
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print(" * {0}".format(rule_string))
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print()
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if all_differences or args.neverallow:
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if diff.added_neverallows or diff.removed_neverallows or diff.modified_neverallows or \
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args.neverallow:
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print("Neverallow Rules ({0} Added, {1} Removed, {2} Modified)".format(
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len(diff.added_neverallows), len(diff.removed_neverallows),
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len(diff.modified_neverallows)))
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if diff.added_neverallows:
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print(" Added Neverallow Rules: {0}".format(len(diff.added_neverallows)))
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for r in sorted(diff.added_neverallows):
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print(" + {0}".format(r))
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if diff.removed_neverallows:
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print(" Removed Neverallow Rules: {0}".format(len(diff.removed_neverallows)))
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for r in sorted(diff.removed_neverallows):
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print(" - {0}".format(r))
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if diff.modified_neverallows:
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print(" Modified Neverallow Rules: {0}".format(len(diff.modified_neverallows)))
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for rule, added_perms, removed_perms, matched_perms in sorted(
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diff.modified_neverallows):
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perms = " ".join(chain((p for p in matched_perms),
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("+" + p for p in added_perms),
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("-" + p for p in removed_perms)))
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rule_string = "{0.ruletype} {0.source} {0.target}:{0.tclass} {{ {1} }};".format(
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rule, perms)
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try:
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rule_string += " [ {0} ]".format(rule.conditional)
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except AttributeError:
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pass
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print(" * {0}".format(rule_string))
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print()
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if all_differences or args.auditallow:
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if diff.added_auditallows or diff.removed_auditallows or diff.modified_auditallows or \
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args.auditallow:
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print("Auditallow Rules ({0} Added, {1} Removed, {2} Modified)".format(
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len(diff.added_auditallows), len(diff.removed_auditallows),
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len(diff.modified_auditallows)))
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if diff.added_auditallows:
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print(" Added Auditallow Rules: {0}".format(len(diff.added_auditallows)))
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for r in sorted(diff.added_auditallows):
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print(" + {0}".format(r))
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if diff.removed_auditallows:
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print(" Removed Auditallow Rules: {0}".format(len(diff.removed_auditallows)))
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for r in sorted(diff.removed_auditallows):
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print(" - {0}".format(r))
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if diff.modified_auditallows:
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print(" Modified Auditallow Rules: {0}".format(len(diff.modified_auditallows)))
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for rule, added_perms, removed_perms, matched_perms in sorted(
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diff.modified_auditallows):
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perms = " ".join(chain((p for p in matched_perms),
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("+" + p for p in added_perms),
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("-" + p for p in removed_perms)))
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rule_string = "{0.ruletype} {0.source} {0.target}:{0.tclass} {{ {1} }};".format(
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rule, perms)
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try:
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rule_string += " [ {0} ]".format(rule.conditional)
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except AttributeError:
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pass
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print(" * {0}".format(rule_string))
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print()
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if all_differences or args.dontaudit:
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if diff.added_dontaudits or diff.removed_dontaudits or diff.modified_dontaudits or \
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args.dontaudit:
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print("Dontaudit Rules ({0} Added, {1} Removed, {2} Modified)".format(
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len(diff.added_dontaudits), len(diff.removed_dontaudits),
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len(diff.modified_dontaudits)))
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if diff.added_dontaudits:
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print(" Added Dontaudit Rules: {0}".format(len(diff.added_dontaudits)))
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for r in sorted(diff.added_dontaudits):
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print(" + {0}".format(r))
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if diff.removed_dontaudits:
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print(" Removed Dontaudit Rules: {0}".format(len(diff.removed_dontaudits)))
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for r in sorted(diff.removed_dontaudits):
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print(" - {0}".format(r))
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if diff.modified_dontaudits:
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print(" Modified Dontaudit Rules: {0}".format(len(diff.modified_dontaudits)))
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for rule, added_perms, removed_perms, matched_perms in sorted(
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diff.modified_dontaudits):
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perms = " ".join(chain((p for p in matched_perms),
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("+" + p for p in added_perms),
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("-" + p for p in removed_perms)))
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rule_string = "{0.ruletype} {0.source} {0.target}:{0.tclass} {{ {1} }};".format(
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rule, perms)
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try:
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rule_string += " [ {0} ]".format(rule.conditional)
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except AttributeError:
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pass
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print(" * {0}".format(rule_string))
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print()
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if all_differences or args.type_trans:
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if diff.added_type_transitions or diff.removed_type_transitions or \
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diff.modified_type_transitions or args.type_trans:
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print("Type_transition Rules ({0} Added, {1} Removed, {2} Modified)".format(
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len(diff.added_type_transitions), len(diff.removed_type_transitions),
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len(diff.modified_type_transitions)))
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if diff.added_type_transitions:
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print(" Added Type_transition Rules: {0}".format(
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len(diff.added_type_transitions)))
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for r in sorted(diff.added_type_transitions):
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print(" + {0}".format(r))
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if diff.removed_type_transitions:
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print(" Removed Type_transition Rules: {0}".format(
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len(diff.removed_type_transitions)))
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for r in sorted(diff.removed_type_transitions):
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print(" - {0}".format(r))
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if diff.modified_type_transitions:
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print(" Modified Type_transition Rules: {0}".format(
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len(diff.modified_type_transitions)))
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for rule, added_default, removed_default in sorted(diff.modified_type_transitions):
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rule_string = "{0.ruletype} {0.source} {0.target}:{0.tclass} +{1} -{2}".format(
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rule, added_default, removed_default)
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try:
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rule_string += " {0}".format(rule.filename)
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except AttributeError:
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pass
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rule_string += ";"
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try:
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rule_string += " [ {0} ]".format(rule.conditional)
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except AttributeError:
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pass
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print(" * {0}".format(rule_string))
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print()
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if all_differences or args.type_change:
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if diff.added_type_changes or diff.removed_type_changes or \
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diff.modified_type_changes or args.type_change:
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print("Type_change Rules ({0} Added, {1} Removed, {2} Modified)".format(
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len(diff.added_type_changes), len(diff.removed_type_changes),
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len(diff.modified_type_changes)))
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if diff.added_type_changes:
|
|
print(" Added Type_change Rules: {0}".format(len(diff.added_type_changes)))
|
|
for r in sorted(diff.added_type_changes):
|
|
print(" + {0}".format(r))
|
|
|
|
if diff.removed_type_changes:
|
|
print(" Removed Type_change Rules: {0}".format(len(diff.removed_type_changes)))
|
|
for r in sorted(diff.removed_type_changes):
|
|
print(" - {0}".format(r))
|
|
|
|
if diff.modified_type_changes:
|
|
print(" Modified Type_change Rules: {0}".format(len(diff.modified_type_changes)))
|
|
|
|
for rule, added_default, removed_default in sorted(diff.modified_type_changes):
|
|
rule_string = "{0.ruletype} {0.source} {0.target}:{0.tclass} +{1} -{2}".format(
|
|
rule, added_default, removed_default)
|
|
|
|
try:
|
|
rule_string += " {0}".format(rule.filename)
|
|
except AttributeError:
|
|
pass
|
|
|
|
rule_string += ";"
|
|
|
|
try:
|
|
rule_string += " [ {0} ]".format(rule.conditional)
|
|
except AttributeError:
|
|
pass
|
|
|
|
print(" * {0}".format(rule_string))
|
|
|
|
print()
|
|
|
|
if all_differences or args.type_member:
|
|
if diff.added_type_members or diff.removed_type_members or \
|
|
diff.modified_type_members or args.type_member:
|
|
print("Type_member Rules ({0} Added, {1} Removed, {2} Modified)".format(
|
|
len(diff.added_type_members), len(diff.removed_type_members),
|
|
len(diff.modified_type_members)))
|
|
|
|
if diff.added_type_members:
|
|
print(" Added Type_member Rules: {0}".format(len(diff.added_type_members)))
|
|
for r in sorted(diff.added_type_members):
|
|
print(" + {0}".format(r))
|
|
|
|
if diff.removed_type_members:
|
|
print(" Removed Type_member Rules: {0}".format(len(diff.removed_type_members)))
|
|
for r in sorted(diff.removed_type_members):
|
|
print(" - {0}".format(r))
|
|
|
|
if diff.modified_type_members:
|
|
print(" Modified Type_member Rules: {0}".format(len(diff.modified_type_members)))
|
|
|
|
for rule, added_default, removed_default in sorted(diff.modified_type_members):
|
|
rule_string = "{0.ruletype} {0.source} {0.target}:{0.tclass} +{1} -{2}".format(
|
|
rule, added_default, removed_default)
|
|
|
|
try:
|
|
rule_string += " {0}".format(rule.filename)
|
|
except AttributeError:
|
|
pass
|
|
|
|
rule_string += ";"
|
|
|
|
try:
|
|
rule_string += " [ {0} ]".format(rule.conditional)
|
|
except AttributeError:
|
|
pass
|
|
|
|
print(" * {0}".format(rule_string))
|
|
|
|
print()
|
|
|
|
if all_differences or args.role_allow:
|
|
if diff.added_role_allows or diff.removed_role_allows or args.role_allow:
|
|
print("Role allow Rules ({0} Added, {1} Removed)".format(
|
|
len(diff.added_role_allows), len(diff.removed_role_allows)))
|
|
|
|
if diff.added_role_allows:
|
|
print(" Added Role allow Rules: {0}".format(
|
|
len(diff.added_role_allows)))
|
|
for r in sorted(diff.added_role_allows):
|
|
print(" + {0}".format(r))
|
|
|
|
if diff.removed_role_allows:
|
|
print(" Removed Role allow Rules: {0}".format(
|
|
len(diff.removed_role_allows)))
|
|
for r in sorted(diff.removed_role_allows):
|
|
print(" - {0}".format(r))
|
|
|
|
print()
|
|
|
|
if all_differences or args.role_trans:
|
|
if diff.added_role_transitions or diff.removed_role_transitions or \
|
|
diff.modified_role_transitions or args.role_trans:
|
|
print("Role_transition Rules ({0} Added, {1} Removed, {2} Modified)".format(
|
|
len(diff.added_role_transitions), len(diff.removed_role_transitions),
|
|
len(diff.modified_role_transitions)))
|
|
|
|
if diff.added_role_transitions:
|
|
print(" Added Role_transition Rules: {0}".format(
|
|
len(diff.added_role_transitions)))
|
|
for r in sorted(diff.added_role_transitions):
|
|
print(" + {0}".format(r))
|
|
|
|
if diff.removed_role_transitions:
|
|
print(" Removed Role_transition Rules: {0}".format(
|
|
len(diff.removed_role_transitions)))
|
|
for r in sorted(diff.removed_role_transitions):
|
|
print(" - {0}".format(r))
|
|
|
|
if diff.modified_role_transitions:
|
|
print(" Modified Role_transition Rules: {0}".format(
|
|
len(diff.modified_role_transitions)))
|
|
|
|
for rule, added_default, removed_default in sorted(diff.modified_role_transitions):
|
|
rule_string = \
|
|
"{0.ruletype} {0.source} {0.target}:{0.tclass} +{1} -{2}".format(
|
|
rule, added_default, removed_default)
|
|
|
|
print(" * {0}".format(rule_string))
|
|
|
|
print()
|
|
|
|
if all_differences or args.range_trans:
|
|
if diff.added_range_transitions or diff.removed_range_transitions or \
|
|
diff.modified_range_transitions or args.range_trans:
|
|
print("Range_transition Rules ({0} Added, {1} Removed, {2} Modified)".format(
|
|
len(diff.added_range_transitions), len(diff.removed_range_transitions),
|
|
len(diff.modified_range_transitions)))
|
|
|
|
if diff.added_range_transitions:
|
|
print(" Added Range_transition Rules: {0}".format(
|
|
len(diff.added_range_transitions)))
|
|
for r in sorted(diff.added_range_transitions):
|
|
print(" + {0}".format(r))
|
|
|
|
if diff.removed_range_transitions:
|
|
print(" Removed Range_transition Rules: {0}".format(
|
|
len(diff.removed_range_transitions)))
|
|
for r in sorted(diff.removed_range_transitions):
|
|
print(" - {0}".format(r))
|
|
|
|
if diff.modified_range_transitions:
|
|
print(" Modified Range_transition Rules: {0}".format(
|
|
len(diff.modified_range_transitions)))
|
|
|
|
for rule, added_default, removed_default in sorted(diff.modified_range_transitions):
|
|
# added brackets around range change for clarity since ranges
|
|
# can have '-' and spaces.
|
|
rule_string = \
|
|
"{0.ruletype} {0.source} {0.target}:{0.tclass} +[{1}] -[{2}]".format(
|
|
rule, added_default, removed_default)
|
|
|
|
print(" * {0}".format(rule_string))
|
|
|
|
print()
|
|
|
|
except Exception as err:
|
|
if args.debug:
|
|
import traceback
|
|
traceback.print_exc()
|
|
else:
|
|
print(err)
|
|
|
|
sys.exit(1)
|