apparmor/utils/aa-mergeprof
Christian Boltz b13037e36d
Move reset_aa() from aa-mergeprof to aa.py
Some tests in the next commit also need it.
2020-05-27 13:32:44 +02:00

140 lines
4.8 KiB
Python
Executable file

#! /usr/bin/python3
# ----------------------------------------------------------------------
# Copyright (C) 2013 Kshitij Gupta <kgupta8592@gmail.com>
# Copyright (C) 2014-2018 Christian Boltz <apparmor@cboltz.de>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public
# License as published by the Free Software Foundation.
#
# This program 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 General Public License for more details.
#
# ----------------------------------------------------------------------
import argparse
import os
import apparmor.aa
import apparmor.severity
import apparmor.cleanprofile as cleanprofile
import apparmor.ui as aaui
from apparmor.common import AppArmorException
# setup exception handling
from apparmor.fail import enable_aa_exception_handler
enable_aa_exception_handler()
# setup module translations
from apparmor.translations import init_translation
_ = init_translation()
parser = argparse.ArgumentParser(description=_('Merge the given profiles into /etc/apparmor.d/ (or the directory specified with -d)'))
parser.add_argument('files', nargs='+', type=str, help=_('Profile(s) to merge'))
parser.add_argument('-d', '--dir', type=str, help=_('path to profiles'))
#parser.add_argument('-a', '--auto', action='store_true', help=_('Automatically merge profiles, exits incase of *x conflicts'))
args = parser.parse_args()
args.other = None
apparmor.aa.init_aa()
profiles = args.files
profiledir = args.dir
if profiledir:
apparmor.aa.profile_dir = apparmor.aa.get_full_path(profiledir)
if not os.path.isdir(apparmor.aa.profile_dir):
raise AppArmorException(_("%s is not a directory.") %profiledir)
def find_profiles_from_files(files):
profile_to_filename = dict()
for file_name in files:
apparmor.aa.read_profile(file_name, True)
for profile_name in apparmor.aa.active_profiles.profiles_in_file(file_name):
profile_to_filename[profile_name] = file_name
apparmor.aa.reset_aa()
return profile_to_filename
def find_files_from_profiles(profiles):
profile_to_filename = dict()
apparmor.aa.read_profiles()
for profile_name in profiles:
profile_to_filename[profile_name] = apparmor.aa.get_profile_filename_from_profile_name(profile_name, True)
apparmor.aa.reset_aa()
return profile_to_filename
def main():
base_profile_to_file = find_profiles_from_files(profiles)
profiles_to_merge = set(base_profile_to_file.keys())
user_profile_to_file = find_files_from_profiles(profiles_to_merge)
for profile_name in profiles_to_merge:
aaui.UI_Info("\n\n" + _("Merging profile for %s" % profile_name))
user_file = user_profile_to_file[profile_name]
base_file = base_profile_to_file.get(profile_name, None)
act(user_file, base_file, profile_name)
apparmor.aa.reset_aa()
def act(user_file, base_file, merging_profile):
mergeprofiles = Merge(user_file, base_file)
#Get rid of common/superfluous stuff
mergeprofiles.clear_common()
mergeprofiles.ask_merge_questions()
apparmor.aa.changed[merging_profile] = True # force asking to save the profile
apparmor.aa.save_profiles(True)
class Merge(object):
def __init__(self, user, base):
#Read and parse base profile and save profile data, include data from it and reset them
apparmor.aa.read_profile(base, True)
self.base = cleanprofile.Prof(base)
apparmor.aa.reset_aa()
#Read and parse user profile
apparmor.aa.read_profile(user, True)
self.user = cleanprofile.Prof(user)
def clear_common(self):
deleted = 0
#Remove off the parts in base profile which are common/superfluous from user profile
user_base = cleanprofile.CleanProf(False, self.user, self.base)
deleted += user_base.compare_profiles()
def ask_merge_questions(self):
other = self.base
log_dict = {'merge': other.aa}
apparmor.aa.loadincludes()
if not apparmor.aa.sev_db:
apparmor.aa.sev_db = apparmor.severity.Severity(apparmor.aa.CONFDIR + '/severity.db', _('unknown'))
# ask about preamble rules
apparmor.aa.ask_rule_questions(
other.active_profiles.files[other.filename], # prof_events aka log_dict
'[preamble]', # displayed profile name
self.user.active_profiles.files[self.user.filename], # profile to update
['abi', 'inc_ie'] # rule types - TODO: don't hardcode
)
apparmor.aa.ask_the_questions(log_dict)
if __name__ == '__main__':
main()