/usr/lib/python3/dist-packages/apparmor/tools.py is in python3-apparmor 2.10.95-0ubuntu2.6~14.04.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2013 Kshitij Gupta <kgupta8592@gmail.com>
#
# 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 os
import sys
import apparmor.aa as apparmor
import apparmor.ui as aaui
from apparmor.common import user_perm, cmd
# setup module translations
from apparmor.translations import init_translation
_ = init_translation()
class aa_tools:
def __init__(self, tool_name, args):
self.name = tool_name
self.profiledir = args.dir
self.profiling = args.program
self.check_profile_dir()
self.silent = None
self.do_reload = args.do_reload
if tool_name in ['audit']:
self.remove = args.remove
elif tool_name == 'autodep':
self.force = args.force
self.aa_mountpoint = apparmor.check_for_apparmor()
elif tool_name == 'cleanprof':
self.silent = args.silent
def check_profile_dir(self):
if self.profiledir:
apparmor.profile_dir = apparmor.get_full_path(self.profiledir)
if not os.path.isdir(apparmor.profile_dir):
raise apparmor.AppArmorException("%s is not a directory." % self.profiledir)
if not user_perm(apparmor.profile_dir):
raise apparmor.AppArmorException("Cannot write to profile directory: %s" % (apparmor.profile_dir))
def get_next_to_profile(self):
'''Iterator function to walk the list of arguments passed'''
for p in self.profiling:
if not p:
continue
program = None
profile = None
if os.path.exists(p) or p.startswith('/'):
fq_path = apparmor.get_full_path(p).strip()
if os.path.commonprefix([apparmor.profile_dir, fq_path]) == apparmor.profile_dir:
program = None
profile = fq_path
else:
program = fq_path
profile = apparmor.get_profile_filename(fq_path)
else:
which = apparmor.which(p)
if which is not None:
program = apparmor.get_full_path(which)
profile = apparmor.get_profile_filename(program)
elif os.path.exists(os.path.join(apparmor.profile_dir, p)):
program = None
profile = apparmor.get_full_path(os.path.join(apparmor.profile_dir, p)).strip()
else:
if '/' not in p:
aaui.UI_Info(_("Can't find %(program)s in the system path list. If the name of the application\nis correct, please run 'which %(program)s' as a user with correct PATH\nenvironment set up in order to find the fully-qualified path and\nuse the full path as parameter.") % { 'program': p })
else:
aaui.UI_Info(_("%s does not exist, please double-check the path.") % p)
continue
yield (program, profile)
def act(self):
# used by aa-cleanprof
apparmor.read_profiles()
for (program, profile) in self.get_next_to_profile():
if program is None:
program = profile
if not program or not(os.path.exists(program) or apparmor.profile_exists(program)):
if program and not program.startswith('/'):
program = aaui.UI_GetString(_('The given program cannot be found, please try with the fully qualified path name of the program: '), '')
else:
aaui.UI_Info(_("%s does not exist, please double-check the path.") % program)
sys.exit(1)
if program and apparmor.profile_exists(program):
if self.name == 'cleanprof':
self.clean_profile(program)
else:
filename = apparmor.get_profile_filename(program)
if not os.path.isfile(filename) or apparmor.is_skippable_file(filename):
aaui.UI_Info(_('Profile for %s not found, skipping') % program)
else:
# One simply does not walk in here!
raise apparmor.AppArmorException('Unknown tool: %s' % self.name)
self.reload_profile(profile)
else:
if '/' not in program:
aaui.UI_Info(_("Can't find %(program)s in the system path list. If the name of the application\nis correct, please run 'which %(program)s' as a user with correct PATH\nenvironment set up in order to find the fully-qualified path and\nuse the full path as parameter.") % { 'program': program })
else:
aaui.UI_Info(_("%s does not exist, please double-check the path.") % program)
sys.exit(1)
def cmd_disable(self):
apparmor.read_profiles()
for (program, profile) in self.get_next_to_profile():
output_name = profile if program is None else program
if not os.path.isfile(profile) or apparmor.is_skippable_file(profile):
aaui.UI_Info(_('Profile for %s not found, skipping') % output_name)
continue
aaui.UI_Info(_('Disabling %s.') % output_name)
self.disable_profile(profile)
self.unload_profile(profile)
def cmd_enforce(self):
apparmor.read_profiles()
for (program, profile) in self.get_next_to_profile():
output_name = profile if program is None else program
if not os.path.isfile(profile) or apparmor.is_skippable_file(profile):
aaui.UI_Info(_('Profile for %s not found, skipping') % output_name)
continue
apparmor.set_enforce(profile, program)
self.reload_profile(profile)
def cmd_complain(self):
apparmor.read_profiles()
for (program, profile) in self.get_next_to_profile():
output_name = profile if program is None else program
if not os.path.isfile(profile) or apparmor.is_skippable_file(profile):
aaui.UI_Info(_('Profile for %s not found, skipping') % output_name)
continue
apparmor.set_complain(profile, program)
self.reload_profile(profile)
def cmd_audit(self):
apparmor.read_profiles()
for (program, profile) in self.get_next_to_profile():
output_name = profile if program is None else program
if not os.path.isfile(profile) or apparmor.is_skippable_file(profile):
aaui.UI_Info(_('Profile for %s not found, skipping') % output_name)
continue
# keep this to allow toggling 'audit' flags
if not self.remove:
aaui.UI_Info(_('Setting %s to audit mode.') % output_name)
else:
aaui.UI_Info(_('Removing audit mode from %s.') % output_name)
apparmor.change_profile_flags(profile, program, 'audit', not self.remove)
disable_link = '%s/disable/%s' % (apparmor.profile_dir, os.path.basename(profile))
if os.path.exists(disable_link):
aaui.UI_Info(_('\nWarning: the profile %s is disabled. Use aa-enforce or aa-complain to enable it.') % os.path.basename(profile))
self.reload_profile(profile)
def cmd_autodep(self):
apparmor.read_profiles()
for (program, profile) in self.get_next_to_profile():
if not program:
aaui.UI_Info(_('Please pass an application to generate a profile for, not a profile itself - skipping %s.') % profile)
continue
apparmor.check_qualifiers(program)
if os.path.exists(apparmor.get_profile_filename(program)) and not self.force:
aaui.UI_Info(_('Profile for %s already exists - skipping.') % program)
else:
apparmor.autodep(program)
if self.aa_mountpoint:
apparmor.reload(program)
def clean_profile(self, program):
filename = apparmor.get_profile_filename(program)
import apparmor.cleanprofile as cleanprofile
prof = cleanprofile.Prof(filename)
cleanprof = cleanprofile.CleanProf(True, prof, prof)
deleted = cleanprof.remove_duplicate_rules(program)
aaui.UI_Info(_("\nDeleted %s rules.") % deleted)
apparmor.changed[program] = True
if filename:
if not self.silent:
q = aaui.PromptQuestion()
q.title = 'Changed Local Profiles'
q.explanation = _('The local profile for %(program)s in file %(file)s was changed. Would you like to save it?') % { 'program': program, 'file': filename }
q.functions = ['CMD_SAVE_CHANGES', 'CMD_VIEW_CHANGES', 'CMD_ABORT']
q.default = 'CMD_VIEW_CHANGES'
q.options = []
q.selected = 0
ans = ''
arg = None
while ans != 'CMD_SAVE_CHANGES':
ans, arg = q.promptUser()
if ans == 'CMD_SAVE_CHANGES':
apparmor.write_profile_ui_feedback(program)
self.reload_profile(filename)
elif ans == 'CMD_VIEW_CHANGES':
#oldprofile = apparmor.serialize_profile(apparmor.original_aa[program], program, '')
newprofile = apparmor.serialize_profile(apparmor.aa[program], program, '')
apparmor.display_changes_with_comments(filename, newprofile)
else:
apparmor.write_profile_ui_feedback(program)
self.reload_profile(filename)
else:
raise apparmor.AppArmorException(_('The profile for %s does not exists. Nothing to clean.') % program)
def enable_profile(self, filename):
apparmor.delete_symlink('disable', filename)
def disable_profile(self, filename):
apparmor.create_symlink('disable', filename)
def unload_profile(self, profile):
if not self.do_reload:
return
# FIXME: should ensure profile is loaded before unloading
cmd_info = cmd([apparmor.parser, '-I%s' % apparmor.profile_dir, '--base', apparmor.profile_dir, '-R', profile])
if cmd_info[0] != 0:
raise apparmor.AppArmorException(cmd_info[1])
def reload_profile(self, profile):
if not self.do_reload:
return
cmd_info = cmd([apparmor.parser, '-I%s' % apparmor.profile_dir, '--base', apparmor.profile_dir, '-r', profile])
if cmd_info[0] != 0:
raise apparmor.AppArmorException(cmd_info[1])
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