/mandos/trunk : revision 364

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#!/usr/bin/python

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# -*- mode: python; coding: utf-8; after-save-hook: (lambda () (let ((command (if (and (boundp 'tramp-file-name-structure) (string-match (car tramp-file-name-structure) (buffer-file-name))) (tramp-file-name-localname (tramp-dissect-file-name (buffer-file-name))) (buffer-file-name)))) (if (= (shell-command (format "%s --check" (shell-quote-argument command)) "*Test*") 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)) (kill-buffer "*Test*")) (display-buffer "*Test*")))); -*-

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#

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# Mandos Monitor - Control and monitor the Mandos server

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#

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#

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# This file is part of Mandos.

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#

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# Mandos is free software: you can redistribute it and/or modify it

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# under the terms of the GNU General Public License as published by

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# the Free Software Foundation, either version 3 of the License, or

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# (at your option) any later version.

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#

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# Mandos is distributed in the hope that it will be useful, but

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# 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 Mandos. If not, see <http://www.gnu.org/licenses/>.

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#

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# Contact the authors at <mandos@recompile.se>.

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#

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from __future__ import (division, absolute_import, print_function,

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unicode_literals)

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try:

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from future_builtins import *

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except ImportError:

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pass

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# -*- mode: python; coding: utf-8 -*-

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from __future__ import division

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import sys

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import argparse

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import dbus

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from optparse import OptionParser

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import locale

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import datetime

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import re

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import os

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import collections

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import json

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import unittest

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import logging

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import dbus

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# Show warnings by default

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if not sys.warnoptions:

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import warnings

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warnings.simplefilter("default")

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log = logging.getLogger(sys.argv[0])

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logging.basicConfig(level="INFO", # Show info level messages

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format="%(message)s") # Show basic log messages

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logging.captureWarnings(True) # Show warnings via the logging system

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if sys.version_info.major == 2:

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str = unicode

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locale.setlocale(locale.LC_ALL, "")

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domain = "se.recompile"

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busname = domain + ".Mandos"

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server_path = "/"

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server_interface = domain + ".Mandos"

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client_interface = domain + ".Mandos.Client"

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version = "1.8.3"

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try:

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dbus.OBJECT_MANAGER_IFACE

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except AttributeError:

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dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"

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locale.setlocale(locale.LC_ALL, u'')

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tablewords = {

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'name': u'Name',

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'enabled': u'Enabled',

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'timeout': u'Timeout',

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'last_checked_ok': u'Last Successful Check',

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'created': u'Created',

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'interval': u'Interval',

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'host': u'Host',

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'fingerprint': u'Fingerprint',

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'checker_running': u'Check Is Running',

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'last_enabled': u'Last Enabled',

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'checker': u'Checker',

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}

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defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok',

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'checker')

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domain = 'se.bsnet.fukt'

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busname = domain + '.Mandos'

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server_path = '/'

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server_interface = domain + '.Mandos'

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client_interface = domain + '.Mandos.Client'

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version = "1.0.11"

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bus = dbus.SystemBus()

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mandos_dbus_objc = bus.get_object(busname, server_path)

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mandos_serv = dbus.Interface(mandos_dbus_objc,

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dbus_interface = server_interface)

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mandos_clients = mandos_serv.GetAllClientsWithProperties()

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def datetime_to_milliseconds(dt):

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"Return the 'timeout' attribute in milliseconds"

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return ((dt.days * 24 * 60 * 60 * 1000)

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+ (dt.seconds * 1000)

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+ (dt.microseconds // 1000))

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def milliseconds_to_string(ms):

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td = datetime.timedelta(0, 0, 0, ms)

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return ("{days}{hours:02}:{minutes:02}:{seconds:02}"

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.format(days="{}T".format(td.days) if td.days else "",

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hours=td.seconds // 3600,

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minutes=(td.seconds % 3600) // 60,

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seconds=td.seconds % 60))

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def rfc3339_duration_to_delta(duration):

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"""Parse an RFC 3339 "duration" and return a datetime.timedelta

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>>> rfc3339_duration_to_delta("P7D")

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datetime.timedelta(7)

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>>> rfc3339_duration_to_delta("PT60S")

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datetime.timedelta(0, 60)

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>>> rfc3339_duration_to_delta("PT60M")

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datetime.timedelta(0, 3600)

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>>> rfc3339_duration_to_delta("P60M")

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datetime.timedelta(1680)

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>>> rfc3339_duration_to_delta("PT24H")

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datetime.timedelta(1)

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>>> rfc3339_duration_to_delta("P1W")

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datetime.timedelta(7)

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>>> rfc3339_duration_to_delta("PT5M30S")

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datetime.timedelta(0, 330)

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>>> rfc3339_duration_to_delta("P1DT3M20S")

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datetime.timedelta(1, 200)

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>>> # Can not be empty:

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>>> rfc3339_duration_to_delta("")

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Traceback (most recent call last):

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...

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ValueError: Invalid RFC 3339 duration: u''

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>>> # Must start with "P":

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>>> rfc3339_duration_to_delta("1D")

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Traceback (most recent call last):

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...

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ValueError: Invalid RFC 3339 duration: u'1D'

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>>> # Must use correct order

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>>> rfc3339_duration_to_delta("PT1S2M")

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Traceback (most recent call last):

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...

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ValueError: Invalid RFC 3339 duration: u'PT1S2M'

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>>> # Time needs time marker

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>>> rfc3339_duration_to_delta("P1H2S")

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Traceback (most recent call last):

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...

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ValueError: Invalid RFC 3339 duration: u'P1H2S'

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>>> # Weeks can not be combined with anything else

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>>> rfc3339_duration_to_delta("P1D2W")

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Traceback (most recent call last):

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...

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ValueError: Invalid RFC 3339 duration: u'P1D2W'

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>>> rfc3339_duration_to_delta("P2W2H")

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Traceback (most recent call last):

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...

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ValueError: Invalid RFC 3339 duration: u'P2W2H'

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"""

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# Parsing an RFC 3339 duration with regular expressions is not

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# possible - there would have to be multiple places for the same

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# values, like seconds. The current code, while more esoteric, is

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# cleaner without depending on a parsing library. If Python had a

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# built-in library for parsing we would use it, but we'd like to

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# avoid excessive use of external libraries.

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# New type for defining tokens, syntax, and semantics all-in-one

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Token = collections.namedtuple("Token", (

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"regexp", # To match token; if "value" is not None, must have

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# a "group" containing digits

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"value", # datetime.timedelta or None

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"followers")) # Tokens valid after this token

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# RFC 3339 "duration" tokens, syntax, and semantics; taken from

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# the "duration" ABNF definition in RFC 3339, Appendix A.

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token_end = Token(re.compile(r"$"), None, frozenset())

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token_second = Token(re.compile(r"(\d+)S"),

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datetime.timedelta(seconds=1),

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frozenset((token_end, )))

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token_minute = Token(re.compile(r"(\d+)M"),

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datetime.timedelta(minutes=1),

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frozenset((token_second, token_end)))

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token_hour = Token(re.compile(r"(\d+)H"),

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datetime.timedelta(hours=1),

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frozenset((token_minute, token_end)))

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token_time = Token(re.compile(r"T"),

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None,

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frozenset((token_hour, token_minute,

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token_second)))

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token_day = Token(re.compile(r"(\d+)D"),

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datetime.timedelta(days=1),

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frozenset((token_time, token_end)))

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token_month = Token(re.compile(r"(\d+)M"),

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datetime.timedelta(weeks=4),

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frozenset((token_day, token_end)))

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token_year = Token(re.compile(r"(\d+)Y"),

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datetime.timedelta(weeks=52),

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frozenset((token_month, token_end)))

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token_week = Token(re.compile(r"(\d+)W"),

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datetime.timedelta(weeks=1),

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frozenset((token_end, )))

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token_duration = Token(re.compile(r"P"), None,

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frozenset((token_year, token_month,

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token_day, token_time,

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token_week)))

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# Define starting values:

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# Value so far

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value = datetime.timedelta()

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found_token = None

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# Following valid tokens

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followers = frozenset((token_duration, ))

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# String left to parse

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s = duration

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# Loop until end token is found

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while found_token is not token_end:

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# Search for any currently valid tokens

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for token in followers:

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match = token.regexp.match(s)

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if match is not None:

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# Token found

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if token.value is not None:

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# Value found, parse digits

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factor = int(match.group(1), 10)

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# Add to value so far

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value += factor * token.value

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# Strip token from string

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s = token.regexp.sub("", s, 1)

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# Go to found token

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found_token = token

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# Set valid next tokens

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followers = found_token.followers

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break

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else:

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# No currently valid tokens were found

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raise ValueError("Invalid RFC 3339 duration: {!r}"

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.format(duration))

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# End token found

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return value

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return "%s%02d:%02d:%02d" % (("%dT" % td.days) if td.days else "", # days

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td.seconds // 3600, # hours

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(td.seconds % 3600) // 60, # minutes

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(td.seconds % 60)) # seconds

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def string_to_delta(interval):

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"""Parse a string and return a datetime.timedelta"""

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try:

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return rfc3339_duration_to_delta(interval)

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except ValueError as e:

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log.warning("%s - Parsing as pre-1.6.1 interval instead",

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' '.join(e.args))

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return parse_pre_1_6_1_interval(interval)

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def parse_pre_1_6_1_interval(interval):

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"""Parse an interval string as documented by Mandos before 1.6.1,

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and return a datetime.timedelta

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>>> parse_pre_1_6_1_interval('7d')

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"""Parse a string and return a datetime.timedelta

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>>> string_to_delta('7d')

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datetime.timedelta(7)

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>>> parse_pre_1_6_1_interval('60s')

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>>> string_to_delta('60s')

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datetime.timedelta(0, 60)

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>>> parse_pre_1_6_1_interval('60m')

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>>> string_to_delta('60m')

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datetime.timedelta(0, 3600)

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>>> parse_pre_1_6_1_interval('24h')

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>>> string_to_delta('24h')

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datetime.timedelta(1)

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>>> parse_pre_1_6_1_interval('1w')

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>>> string_to_delta(u'1w')

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datetime.timedelta(7)

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>>> parse_pre_1_6_1_interval('5m 30s')

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>>> string_to_delta('5m 30s')

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datetime.timedelta(0, 330)

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>>> parse_pre_1_6_1_interval('')

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datetime.timedelta(0)

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>>> # Ignore unknown characters, allow any order and repetitions

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>>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')

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datetime.timedelta(2, 480, 18000)

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"""

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value = datetime.timedelta(0)

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regexp = re.compile(r"(\d+)([dsmhw]?)")

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for num, suffix in regexp.findall(interval):

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if suffix == "d":

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value += datetime.timedelta(int(num))

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elif suffix == "s":

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value += datetime.timedelta(0, int(num))

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elif suffix == "m":

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value += datetime.timedelta(0, 0, 0, 0, int(num))

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elif suffix == "h":

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value += datetime.timedelta(0, 0, 0, 0, 0, int(num))

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elif suffix == "w":

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value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))

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elif suffix == "":

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value += datetime.timedelta(0, 0, 0, int(num))

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return value

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## Classes for commands.

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# Abstract classes first

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class Command(object):

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"""Abstract class for commands"""

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def run(self, mandos, clients):

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"""Normal commands should implement run_on_one_client(), but

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commands which want to operate on all clients at the same time

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can override this run() method instead."""

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self.mandos = mandos

281

for client, properties in clients.items():

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self.run_on_one_client(client, properties)

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class PrintCmd(Command):

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"""Abstract class for commands printing client details"""

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all_keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",

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"Created", "Interval", "Host", "KeyID",

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"Fingerprint", "CheckerRunning", "LastEnabled",

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"ApprovalPending", "ApprovedByDefault",

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"LastApprovalRequest", "ApprovalDelay",

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"ApprovalDuration", "Checker", "ExtendedTimeout",

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"Expires", "LastCheckerStatus")

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def run(self, mandos, clients):

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print(self.output(clients))

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class PropertyCmd(Command):

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"""Abstract class for Actions for setting one client property"""

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def run_on_one_client(self, client, properties):

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"""Set the Client's D-Bus property"""

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client.Set(client_interface, self.property, self.value_to_set,

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dbus_interface=dbus.PROPERTIES_IFACE)

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class ValueArgumentMixIn(object):

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"""Mixin class for commands taking a value as argument"""

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def __init__(self, value):

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self.value_to_set = value

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class MillisecondsValueArgumentMixIn(ValueArgumentMixIn):

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"""Mixin class for commands taking a value argument as

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milliseconds."""

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@property

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def value_to_set(self):

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return self._vts

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@value_to_set.setter

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def value_to_set(self, value):

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"""When setting, convert value to a datetime.timedelta"""

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self._vts = string_to_delta(value).total_seconds() * 1000

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# Actual (non-abstract) command classes

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class PrintTableCmd(PrintCmd):

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def __init__(self, verbose=False):

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self.verbose = verbose

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def output(self, clients):

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default_keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")

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keywords = default_keywords

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if self.verbose:

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keywords = self.all_keywords

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return str(self.TableOfClients(clients.values(), keywords))

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class TableOfClients(object):

333

tableheaders = {

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"Name": "Name",

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"Enabled": "Enabled",

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"Timeout": "Timeout",

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"LastCheckedOK": "Last Successful Check",

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"LastApprovalRequest": "Last Approval Request",

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"Created": "Created",

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"Interval": "Interval",

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"Host": "Host",

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"Fingerprint": "Fingerprint",

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"KeyID": "Key ID",

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"CheckerRunning": "Check Is Running",

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"LastEnabled": "Last Enabled",

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"ApprovalPending": "Approval Is Pending",

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"ApprovedByDefault": "Approved By Default",

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"ApprovalDelay": "Approval Delay",

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"ApprovalDuration": "Approval Duration",

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"Checker": "Checker",

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"ExtendedTimeout": "Extended Timeout",

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"Expires": "Expires",

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"LastCheckerStatus": "Last Checker Status",

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}

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def __init__(self, clients, keywords, tableheaders=None):

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self.clients = clients

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self.keywords = keywords

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if tableheaders is not None:

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self.tableheaders = tableheaders

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362

def __str__(self):

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return "\n".join(self.rows())

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365

if sys.version_info.major == 2:

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__unicode__ = __str__

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def __str__(self):

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return str(self).encode(locale.getpreferredencoding())

369

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def rows(self):

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format_string = self.row_formatting_string()

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rows = [self.header_line(format_string)]

373

rows.extend(self.client_line(client, format_string)

374

for client in self.clients)

375

return rows

376

377

def row_formatting_string(self):

378

"Format string used to format table rows"

379

return " ".join("{{{key}:{width}}}".format(

380

width=max(len(self.tableheaders[key]),

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*(len(self.string_from_client(client, key))

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for client in self.clients)),

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key=key)

384

for key in self.keywords)

385

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def string_from_client(self, client, key):

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return self.valuetostring(client[key], key)

388

389

@staticmethod

390

def valuetostring(value, keyword):

391

if isinstance(value, dbus.Boolean):

392

return "Yes" if value else "No"

393

if keyword in ("Timeout", "Interval", "ApprovalDelay",

394

"ApprovalDuration", "ExtendedTimeout"):

395

return milliseconds_to_string(value)

396

return str(value)

397

398

def header_line(self, format_string):

399

return format_string.format(**self.tableheaders)

400

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def client_line(self, client, format_string):

402

return format_string.format(

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**{key: self.string_from_client(client, key)

404

for key in self.keywords})

405

406

407

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class DumpJSONCmd(PrintCmd):

409

def output(self, clients):

410

data = {client["Name"]:

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{key: self.dbus_boolean_to_bool(client[key])

412

for key in self.all_keywords}

413

for client in clients.values()}

414

return json.dumps(data, indent=4, separators=(',', ': '))

415

@staticmethod

416

def dbus_boolean_to_bool(value):

417

if isinstance(value, dbus.Boolean):

418

value = bool(value)

419

return value

420

421

class IsEnabledCmd(Command):

422

def run_on_one_client(self, client, properties):

423

if self.is_enabled(client, properties):

424

sys.exit(0)

71

timevalue = datetime.timedelta(0)

72

regexp = re.compile("\d+[dsmhw]")

73

74

for s in regexp.findall(interval):

75

try:

76

suffix = unicode(s[-1])

77

value = int(s[:-1])

78

if suffix == u"d":

79

delta = datetime.timedelta(value)

80

elif suffix == u"s":

81

delta = datetime.timedelta(0, value)

82

elif suffix == u"m":

83

delta = datetime.timedelta(0, 0, 0, 0, value)

84

elif suffix == u"h":

85

delta = datetime.timedelta(0, 0, 0, 0, 0, value)

86

elif suffix == u"w":

87

delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)

88

else:

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raise ValueError

90

except (ValueError, IndexError):

91

raise ValueError

92

timevalue += delta

93

return timevalue

94

95

def print_clients(clients):

96

def valuetostring(value, keyword):

97

if type(value) is dbus.Boolean:

98

return u"Yes" if value else u"No"

99

if keyword in ("timeout", "interval"):

100

return milliseconds_to_string(value)

101

return unicode(value)

102

103

format_string = u' '.join(u'%%-%ds' %

104

max(len(tablewords[key]),

105

max(len(valuetostring(client[key], key))

106

for client in

107

clients))

108

for key in keywords)

109

print format_string % tuple(tablewords[key] for key in keywords)

110

for client in clients:

111

print format_string % tuple(valuetostring(client[key], key)

112

for key in keywords)

113

114

parser = OptionParser(version = "%%prog %s" % version)

115

parser.add_option("-a", "--all", action="store_true",

116

help="Print all fields")

117

parser.add_option("-e", "--enable", action="store_true",

118

help="Enable client")

119

parser.add_option("-d", "--disable", action="store_true",

120

help="disable client")

121

parser.add_option("-b", "--bump-timeout", action="store_true",

122

help="Bump timeout for client")

123

parser.add_option("--start-checker", action="store_true",

124

help="Start checker for client")

125

parser.add_option("--stop-checker", action="store_true",

126

help="Stop checker for client")

127

parser.add_option("-V", "--is-valid", action="store_true",

128

help="Check if client is still valid")

129

parser.add_option("-r", "--remove", action="store_true",

130

help="Remove client")

131

parser.add_option("-c", "--checker", type="string",

132

help="Set checker command for client")

133

parser.add_option("-t", "--timeout", type="string",

134

help="Set timeout for client")

135

parser.add_option("-i", "--interval", type="string",

136

help="Set checker interval for client")

137

parser.add_option("-H", "--host", type="string",

138

help="Set host for client")

139

parser.add_option("-s", "--secret", type="string",

140

help="Set password blob (file) for client")

141

options, client_names = parser.parse_args()

142

143

# Compile list of clients to process

144

clients=[]

145

for name in client_names:

146

for path, client in mandos_clients.iteritems():

147

if client['name'] == name:

148

client_objc = bus.get_object(busname, path)

149

clients.append(dbus.Interface(client_objc,

150

dbus_interface

151

= client_interface))

152

break

153

else:

154

print >> sys.stderr, "Client not found on server: %r" % name

425

155

sys.exit(1)

426

def is_enabled(self, client, properties):

427

return bool(properties["Enabled"])

428

429

class RemoveCmd(Command):

430

def run_on_one_client(self, client, properties):

431

self.mandos.RemoveClient(client.__dbus_object_path__)

432

433

class ApproveCmd(Command):

434

def run_on_one_client(self, client, properties):

435

client.Approve(dbus.Boolean(True),

436

dbus_interface=client_interface)

437

438

class DenyCmd(Command):

439

def run_on_one_client(self, client, properties):

440

client.Approve(dbus.Boolean(False),

441

dbus_interface=client_interface)

442

443

class EnableCmd(PropertyCmd):

444

property = "Enabled"

445

value_to_set = dbus.Boolean(True)

446

447

class DisableCmd(PropertyCmd):

448

property = "Enabled"

449

value_to_set = dbus.Boolean(False)

450

451

class BumpTimeoutCmd(PropertyCmd):

452

property = "LastCheckedOK"

453

value_to_set = ""

454

455

class StartCheckerCmd(PropertyCmd):

456

property = "CheckerRunning"

457

value_to_set = dbus.Boolean(True)

458

459

class StopCheckerCmd(PropertyCmd):

460

property = "CheckerRunning"

461

value_to_set = dbus.Boolean(False)

462

463

class ApproveByDefaultCmd(PropertyCmd):

464

property = "ApprovedByDefault"

465

value_to_set = dbus.Boolean(True)

466

467

class DenyByDefaultCmd(PropertyCmd):

468

property = "ApprovedByDefault"

469

value_to_set = dbus.Boolean(False)

470

471

class SetCheckerCmd(PropertyCmd, ValueArgumentMixIn):

472

property = "Checker"

473

474

class SetHostCmd(PropertyCmd, ValueArgumentMixIn):

475

property = "Host"

476

477

class SetSecretCmd(PropertyCmd, ValueArgumentMixIn):

478

property = "Secret"

479

480

class SetTimeoutCmd(PropertyCmd, MillisecondsValueArgumentMixIn):

481

property = "Timeout"

482

483

class SetExtendedTimeoutCmd(PropertyCmd,

484

MillisecondsValueArgumentMixIn):

485

property = "ExtendedTimeout"

486

487

class SetIntervalCmd(PropertyCmd, MillisecondsValueArgumentMixIn):

488

property = "Interval"

489

490

class SetApprovalDelayCmd(PropertyCmd,

491

MillisecondsValueArgumentMixIn):

492

property = "ApprovalDelay"

493

494

class SetApprovalDurationCmd(PropertyCmd,

495

MillisecondsValueArgumentMixIn):

496

property = "ApprovalDuration"

497

498

def has_actions(options):

499

return any((options.enable,

500

options.disable,

501

options.bump_timeout,

502

options.start_checker,

503

options.stop_checker,

504

options.is_enabled,

505

options.remove,

506

options.checker is not None,

507

options.timeout is not None,

508

options.extended_timeout is not None,

509

options.interval is not None,

510

options.approved_by_default is not None,

511

options.approval_delay is not None,

512

options.approval_duration is not None,

513

options.host is not None,

514

options.secret is not None,

515

options.approve,

516

options.deny))

517

518

def add_command_line_options(parser):

519

parser.add_argument("--version", action="version",

520

version="%(prog)s {}".format(version),

521

help="show version number and exit")

522

parser.add_argument("-a", "--all", action="store_true",

523

help="Select all clients")

524

parser.add_argument("-v", "--verbose", action="store_true",

525

help="Print all fields")

526

parser.add_argument("-j", "--dump-json", action="store_true",

527

help="Dump client data in JSON format")

528

enable_disable = parser.add_mutually_exclusive_group()

529

enable_disable.add_argument("-e", "--enable", action="store_true",

530

help="Enable client")

531

enable_disable.add_argument("-d", "--disable",

532

action="store_true",

533

help="disable client")

534

parser.add_argument("-b", "--bump-timeout", action="store_true",

535

help="Bump timeout for client")

536

start_stop_checker = parser.add_mutually_exclusive_group()

537

start_stop_checker.add_argument("--start-checker",

538

action="store_true",

539

help="Start checker for client")

540

start_stop_checker.add_argument("--stop-checker",

541

action="store_true",

542

help="Stop checker for client")

543

parser.add_argument("-V", "--is-enabled", action="store_true",

544

help="Check if client is enabled")

545

parser.add_argument("-r", "--remove", action="store_true",

546

help="Remove client")

547

parser.add_argument("-c", "--checker",

548

help="Set checker command for client")

549

parser.add_argument("-t", "--timeout",

550

help="Set timeout for client")

551

parser.add_argument("--extended-timeout",

552

help="Set extended timeout for client")

553

parser.add_argument("-i", "--interval",

554

help="Set checker interval for client")

555

approve_deny_default = parser.add_mutually_exclusive_group()

556

approve_deny_default.add_argument(

557

"--approve-by-default", action="store_true",

558

default=None, dest="approved_by_default",

559

help="Set client to be approved by default")

560

approve_deny_default.add_argument(

561

"--deny-by-default", action="store_false",

562

dest="approved_by_default",

563

help="Set client to be denied by default")

564

parser.add_argument("--approval-delay",

565

help="Set delay before client approve/deny")

566

parser.add_argument("--approval-duration",

567

help="Set duration of one client approval")

568

parser.add_argument("-H", "--host", help="Set host for client")

569

parser.add_argument("-s", "--secret",

570

type=argparse.FileType(mode="rb"),

571

help="Set password blob (file) for client")

572

approve_deny = parser.add_mutually_exclusive_group()

573

approve_deny.add_argument(

574

"-A", "--approve", action="store_true",

575

help="Approve any current client request")

576

approve_deny.add_argument("-D", "--deny", action="store_true",

577

help="Deny any current client request")

578

parser.add_argument("--check", action="store_true",

579

help="Run self-test")

580

parser.add_argument("client", nargs="*", help="Client name")

581

582

583

def commands_from_options(options):

584

585

commands = []

586

587

if options.dump_json:

588

commands.append(DumpJSONCmd())

589

156

157

if not clients and mandos_clients.values():

158

keywords = defaultkeywords

159

if options.all:

160

keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',

161

'created', 'interval', 'host', 'fingerprint',

162

'checker_running', 'last_enabled', 'checker')

163

print_clients(mandos_clients.values())

164

165

# Process each client in the list by all selected options

166

for client in clients:

167

if options.remove:

168

mandos_serv.RemoveClient(client.__dbus_object_path__)

590

169

if options.enable:

591

commands.append(EnableCmd())

592

170

client.Enable()

593

171

if options.disable:

594

commands.append(DisableCmd())

595

172

client.Disable()

596

173

if options.bump_timeout:

597

commands.append(BumpTimeoutCmd())

598

174

client.BumpTimeout()

599

175

if options.start_checker:

600

commands.append(StartCheckerCmd())

601

176

client.StartChecker()

602

177

if options.stop_checker:

603

commands.append(StopCheckerCmd())

604

605

if options.is_enabled:

606

commands.append(IsEnabledCmd())

607

608

if options.remove:

609

commands.append(RemoveCmd())

610

611

if options.checker is not None:

612

commands.append(SetCheckerCmd())

613

614

if options.timeout is not None:

615

commands.append(SetTimeoutCmd(options.timeout))

616

617

if options.extended_timeout:

618

commands.append(

619

SetExtendedTimeoutCmd(options.extended_timeout))

620

621

if options.interval is not None:

622

command.append(SetIntervalCmd(options.interval))

623

624

if options.approved_by_default is not None:

625

if options.approved_by_default:

626

command.append(ApproveByDefaultCmd())

627

else:

628

command.append(DenyByDefaultCmd())

629

630

if options.approval_delay is not None:

631

command.append(SetApprovalDelayCmd(options.approval_delay))

632

633

if options.approval_duration is not None:

634

command.append(

635

SetApprovalDurationCmd(options.approval_duration))

636

637

if options.host is not None:

638

command.append(SetHostCmd(options.host))

639

640

if options.secret is not None:

641

command.append(SetSecretCmd(options.secret))

642

643

if options.approve:

644

commands.append(ApproveCmd())

645

646

if options.deny:

647

commands.append(DenyCmd())

648

649

# If no command option has been given, show table of clients,

650

# optionally verbosely

651

if not commands:

652

commands.append(PrintTableCmd(verbose=options.verbose))

653

654

return commands

655

656

657

def main():

658

parser = argparse.ArgumentParser()

659

660

add_command_line_options(parser)

661

662

options = parser.parse_args()

663

664

if has_actions(options) and not (options.client or options.all):

665

parser.error("Options require clients names or --all.")

666

if options.verbose and has_actions(options):

667

parser.error("--verbose can only be used alone.")

668

if options.dump_json and (options.verbose

669

or has_actions(options)):

670

parser.error("--dump-json can only be used alone.")

671

if options.all and not has_actions(options):

672

parser.error("--all requires an action.")

673

if options.is_enabled and len(options.client) > 1:

674

parser.error("--is-enabled requires exactly one client")

675

676

clientnames = options.client

677

678

try:

679

bus = dbus.SystemBus()

680

mandos_dbus_objc = bus.get_object(busname, server_path)

681

except dbus.exceptions.DBusException:

682

log.critical("Could not connect to Mandos server")

683

sys.exit(1)

684

685

mandos_serv = dbus.Interface(mandos_dbus_objc,

686

dbus_interface=server_interface)

687

mandos_serv_object_manager = dbus.Interface(

688

mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)

689

690

# Filter out log message from dbus module

691

dbus_logger = logging.getLogger("dbus.proxies")

692

class NullFilter(logging.Filter):

693

def filter(self, record):

694

return False

695

dbus_filter = NullFilter()

696

try:

697

dbus_logger.addFilter(dbus_filter)

698

mandos_clients = {path: ifs_and_props[client_interface]

699

for path, ifs_and_props in

700

mandos_serv_object_manager

701

.GetManagedObjects().items()

702

if client_interface in ifs_and_props}

703

except dbus.exceptions.DBusException as e:

704

log.critical("Failed to access Mandos server through D-Bus:"

705

"\n%s", e)

706

sys.exit(1)

707

finally:

708

# restore dbus logger

709

dbus_logger.removeFilter(dbus_filter)

710

711

# Compile dict of (clients: properties) to process

712

clients = {}

713

714

if not clientnames:

715

clients = {bus.get_object(busname, path): properties

716

for path, properties in mandos_clients.items()}

717

else:

718

for name in clientnames:

719

for path, client in mandos_clients.items():

720

if client["Name"] == name:

721

client_objc = bus.get_object(busname, path)

722

clients[client_objc] = client

723

break

724

else:

725

log.critical("Client not found on server: %r", name)

726

sys.exit(1)

727

728

# Run all commands on clients

729

commands = commands_from_options(options)

730

for command in commands:

731

command.run(mandos_serv, clients)

732

733

734

class Test_milliseconds_to_string(unittest.TestCase):

735

def test_all(self):

736

self.assertEqual(milliseconds_to_string(93785000),

737

"1T02:03:05")

738

def test_no_days(self):

739

self.assertEqual(milliseconds_to_string(7385000), "02:03:05")

740

def test_all_zero(self):

741

self.assertEqual(milliseconds_to_string(0), "00:00:00")

742

def test_no_fractional_seconds(self):

743

self.assertEqual(milliseconds_to_string(400), "00:00:00")

744

self.assertEqual(milliseconds_to_string(900), "00:00:00")

745

self.assertEqual(milliseconds_to_string(1900), "00:00:01")

746

747

class Test_string_to_delta(unittest.TestCase):

748

def test_handles_basic_rfc3339(self):

749

self.assertEqual(string_to_delta("PT0S"),

750

datetime.timedelta())

751

self.assertEqual(string_to_delta("P0D"),

752

datetime.timedelta())

753

self.assertEqual(string_to_delta("PT1S"),

754

datetime.timedelta(0, 1))

755

self.assertEqual(string_to_delta("PT2H"),

756

datetime.timedelta(0, 7200))

757

def test_falls_back_to_pre_1_6_1_with_warning(self):

758

# assertLogs only exists in Python 3.4

759

if hasattr(self, "assertLogs"):

760

with self.assertLogs(log, logging.WARNING):

761

value = string_to_delta("2h")

762

else:

763

class WarningFilter(logging.Filter):

764

"""Don't show, but record the presence of, warnings"""

765

def filter(self, record):

766

is_warning = record.levelno >= logging.WARNING

767

self.found = is_warning or getattr(self, "found",

768

False)

769

return not is_warning

770

warning_filter = WarningFilter()

771

log.addFilter(warning_filter)

772

try:

773

value = string_to_delta("2h")

774

finally:

775

log.removeFilter(warning_filter)

776

self.assertTrue(getattr(warning_filter, "found", False))

777

self.assertEqual(value, datetime.timedelta(0, 7200))

778

779

780

class TestCmd(unittest.TestCase):

781

"""Abstract class for tests of command classes"""

782

def setUp(self):

783

testcase = self

784

class MockClient(object):

785

def __init__(self, name, **attributes):

786

self.__dbus_object_path__ = "objpath_{}".format(name)

787

self.attributes = attributes

788

self.attributes["Name"] = name

789

self.calls = []

790

def Set(self, interface, property, value, dbus_interface):

791

testcase.assertEqual(interface, client_interface)

792

testcase.assertEqual(dbus_interface,

793

dbus.PROPERTIES_IFACE)

794

self.attributes[property] = value

795

def Get(self, interface, property, dbus_interface):

796

testcase.assertEqual(interface, client_interface)

797

testcase.assertEqual(dbus_interface,

798

dbus.PROPERTIES_IFACE)

799

return self.attributes[property]

800

def Approve(self, approve, dbus_interface):

801

testcase.assertEqual(dbus_interface, client_interface)

802

self.calls.append(("Approve", (approve,

803

dbus_interface)))

804

self.client = MockClient(

805

"foo",

806

KeyID=("92ed150794387c03ce684574b1139a65"

807

"94a34f895daaaf09fd8ea90a27cddb12"),

808

Secret=b"secret",

809

Host="foo.example.org",

810

Enabled=dbus.Boolean(True),

811

Timeout=300000,

812

LastCheckedOK="2019-02-03T00:00:00",

813

Created="2019-01-02T00:00:00",

814

Interval=120000,

815

Fingerprint=("778827225BA7DE539C5A"

816

"7CFA59CFF7CDBD9A5920"),

817

CheckerRunning=dbus.Boolean(False),

818

LastEnabled="2019-01-03T00:00:00",

819

ApprovalPending=dbus.Boolean(False),

820

ApprovedByDefault=dbus.Boolean(True),

821

LastApprovalRequest="",

822

ApprovalDelay=0,

823

ApprovalDuration=1000,

824

Checker="fping -q -- %(host)s",

825

ExtendedTimeout=900000,

826

Expires="2019-02-04T00:00:00",

827

LastCheckerStatus=0)

828

self.other_client = MockClient(

829

"barbar",

830

KeyID=("0558568eedd67d622f5c83b35a115f79"

831

"6ab612cff5ad227247e46c2b020f441c"),

832

Secret=b"secretbar",

833

Host="192.0.2.3",

834

Enabled=dbus.Boolean(True),

835

Timeout=300000,

836

LastCheckedOK="2019-02-04T00:00:00",

837

Created="2019-01-03T00:00:00",

838

Interval=120000,

839

Fingerprint=("3E393AEAEFB84C7E89E2"

840

"F547B3A107558FCA3A27"),

841

CheckerRunning=dbus.Boolean(True),

842

LastEnabled="2019-01-04T00:00:00",

843

ApprovalPending=dbus.Boolean(False),

844

ApprovedByDefault=dbus.Boolean(False),

845

LastApprovalRequest="2019-01-03T00:00:00",

846

ApprovalDelay=30000,

847

ApprovalDuration=1000,

848

Checker=":",

849

ExtendedTimeout=900000,

850

Expires="2019-02-05T00:00:00",

851

LastCheckerStatus=-2)

852

self.clients = collections.OrderedDict(

853

[

854

(self.client, self.client.attributes),

855

(self.other_client, self.other_client.attributes),

856

])

857

self.one_client = {self.client: self.client.attributes}

858

859

class TestPrintTableCmd(TestCmd):

860

def test_normal(self):

861

output = PrintTableCmd().output(self.clients)

862

expected_output = """

863

Name Enabled Timeout Last Successful Check

864

foo Yes 00:05:00 2019-02-03T00:00:00

865

barbar Yes 00:05:00 2019-02-04T00:00:00

866

"""[1:-1]

867

self.assertEqual(output, expected_output)

868

def test_verbose(self):

869

output = PrintTableCmd(verbose=True).output(self.clients)

870

expected_output = """

871

Name Enabled Timeout Last Successful Check Created Interval Host Key ID Fingerprint Check Is Running Last Enabled Approval Is Pending Approved By Default Last Approval Request Approval Delay Approval Duration Checker Extended Timeout Expires Last Checker Status

872

foo Yes 00:05:00 2019-02-03T00:00:00 2019-01-02T00:00:00 00:02:00 foo.example.org 92ed150794387c03ce684574b1139a6594a34f895daaaf09fd8ea90a27cddb12 778827225BA7DE539C5A7CFA59CFF7CDBD9A5920 No 2019-01-03T00:00:00 No Yes 00:00:00 00:00:01 fping -q -- %(host)s 00:15:00 2019-02-04T00:00:00 0

873

barbar Yes 00:05:00 2019-02-04T00:00:00 2019-01-03T00:00:00 00:02:00 192.0.2.3 0558568eedd67d622f5c83b35a115f796ab612cff5ad227247e46c2b020f441c 3E393AEAEFB84C7E89E2F547B3A107558FCA3A27 Yes 2019-01-04T00:00:00 No No 2019-01-03T00:00:00 00:00:30 00:00:01 : 00:15:00 2019-02-05T00:00:00 -2

874

"""[1:-1]

875

self.assertEqual(output, expected_output)

876

def test_one_client(self):

877

output = PrintTableCmd().output(self.one_client)

878

expected_output = """

879

Name Enabled Timeout Last Successful Check

880

foo Yes 00:05:00 2019-02-03T00:00:00

881

"""[1:-1]

882

self.assertEqual(output, expected_output)

883

884

class TestDumpJSONCmd(TestCmd):

885

def setUp(self):

886

self.expected_json = {

887

"foo": {

888

"Name": "foo",

889

"KeyID": ("92ed150794387c03ce684574b1139a65"

890

"94a34f895daaaf09fd8ea90a27cddb12"),

891

"Host": "foo.example.org",

892

"Enabled": True,

893

"Timeout": 300000,

894

"LastCheckedOK": "2019-02-03T00:00:00",

895

"Created": "2019-01-02T00:00:00",

896

"Interval": 120000,

897

"Fingerprint": ("778827225BA7DE539C5A"

898

"7CFA59CFF7CDBD9A5920"),

899

"CheckerRunning": False,

900

"LastEnabled": "2019-01-03T00:00:00",

901

"ApprovalPending": False,

902

"ApprovedByDefault": True,

903

"LastApprovalRequest": "",

904

"ApprovalDelay": 0,

905

"ApprovalDuration": 1000,

906

"Checker": "fping -q -- %(host)s",

907

"ExtendedTimeout": 900000,

908

"Expires": "2019-02-04T00:00:00",

909

"LastCheckerStatus": 0,

910

},

911

"barbar": {

912

"Name": "barbar",

913

"KeyID": ("0558568eedd67d622f5c83b35a115f79"

914

"6ab612cff5ad227247e46c2b020f441c"),

915

"Host": "192.0.2.3",

916

"Enabled": True,

917

"Timeout": 300000,

918

"LastCheckedOK": "2019-02-04T00:00:00",

919

"Created": "2019-01-03T00:00:00",

920

"Interval": 120000,

921

"Fingerprint": ("3E393AEAEFB84C7E89E2"

922

"F547B3A107558FCA3A27"),

923

"CheckerRunning": True,

924

"LastEnabled": "2019-01-04T00:00:00",

925

"ApprovalPending": False,

926

"ApprovedByDefault": False,

927

"LastApprovalRequest": "2019-01-03T00:00:00",

928

"ApprovalDelay": 30000,

929

"ApprovalDuration": 1000,

930

"Checker": ":",

931

"ExtendedTimeout": 900000,

932

"Expires": "2019-02-05T00:00:00",

933

"LastCheckerStatus": -2,

934

},

935

}

936

return super(TestDumpJSONCmd, self).setUp()

937

def test_normal(self):

938

json_data = json.loads(DumpJSONCmd().output(self.clients))

939

self.assertDictEqual(json_data, self.expected_json)

940

def test_one_client(self):

941

clients = self.one_client

942

json_data = json.loads(DumpJSONCmd().output(clients))

943

expected_json = {"foo": self.expected_json["foo"]}

944

self.assertDictEqual(json_data, expected_json)

945

946

class TestIsEnabledCmd(TestCmd):

947

def test_is_enabled(self):

948

self.assertTrue(all(IsEnabledCmd().is_enabled(client, properties)

949

for client, properties in self.clients.items()))

950

def test_is_enabled_run_exits_successfully(self):

951

with self.assertRaises(SystemExit) as e:

952

IsEnabledCmd().run(None, self.one_client)

953

if e.exception.code is not None:

954

self.assertEqual(e.exception.code, 0)

955

else:

956

self.assertIsNone(e.exception.code)

957

def test_is_enabled_run_exits_with_failure(self):

958

self.client.attributes["Enabled"] = dbus.Boolean(False)

959

with self.assertRaises(SystemExit) as e:

960

IsEnabledCmd().run(None, self.one_client)

961

if isinstance(e.exception.code, int):

962

self.assertNotEqual(e.exception.code, 0)

963

else:

964

self.assertIsNotNone(e.exception.code)

965

966

class TestRemoveCmd(TestCmd):

967

def test_remove(self):

968

class MockMandos(object):

969

def __init__(self):

970

self.calls = []

971

def RemoveClient(self, dbus_path):

972

self.calls.append(("RemoveClient", (dbus_path,)))

973

mandos = MockMandos()

974

super(TestRemoveCmd, self).setUp()

975

RemoveCmd().run(mandos, self.clients)

976

self.assertEqual(len(mandos.calls), 2)

977

for client in self.clients:

978

self.assertIn(("RemoveClient",

979

(client.__dbus_object_path__,)),

980

mandos.calls)

981

982

class TestApproveCmd(TestCmd):

983

def test_approve(self):

984

ApproveCmd().run(None, self.clients)

985

for client in self.clients:

986

self.assertIn(("Approve", (True, client_interface)),

987

client.calls)

988

989

class TestDenyCmd(TestCmd):

990

def test_deny(self):

991

DenyCmd().run(None, self.clients)

992

for client in self.clients:

993

self.assertIn(("Approve", (False, client_interface)),

994

client.calls)

995

996

class TestEnableCmd(TestCmd):

997

def test_enable(self):

998

for client in self.clients:

999

client.attributes["Enabled"] = False

1000

1001

EnableCmd().run(None, self.clients)

1002

1003

for client in self.clients:

1004

self.assertTrue(client.attributes["Enabled"])

1005

1006

class TestDisableCmd(TestCmd):

1007

def test_disable(self):

1008

DisableCmd().run(None, self.clients)

1009

1010

for client in self.clients:

1011

self.assertFalse(client.attributes["Enabled"])

1012

1013

class Unique(object):

1014

"""Class for objects which exist only to be unique objects, since

1015

unittest.mock.sentinel only exists in Python 3.3"""

1016

1017

class TestPropertyCmd(TestCmd):

1018

"""Abstract class for tests of PropertyCmd classes"""

1019

def runTest(self):

1020

if not hasattr(self, "command"):

1021

return

1022

values_to_get = getattr(self, "values_to_get",

1023

self.values_to_set)

1024

for value_to_set, value_to_get in zip(self.values_to_set,

1025

values_to_get):

1026

for client in self.clients:

1027

old_value = client.attributes[self.property]

1028

self.assertNotIsInstance(old_value, Unique)

1029

client.attributes[self.property] = Unique()

1030

self.run_command(value_to_set, self.clients)

1031

for client in self.clients:

1032

value = client.attributes[self.property]

1033

self.assertNotIsInstance(value, Unique)

1034

self.assertEqual(value, value_to_get)

1035

def run_command(self, value, clients):

1036

self.command().run(None, clients)

1037

1038

class TestBumpTimeoutCmd(TestPropertyCmd):

1039

command = BumpTimeoutCmd

1040

property = "LastCheckedOK"

1041

values_to_set = [""]

1042

1043

class TestStartCheckerCmd(TestPropertyCmd):

1044

command = StartCheckerCmd

1045

property = "CheckerRunning"

1046

values_to_set = [dbus.Boolean(True)]

1047

1048

class TestStopCheckerCmd(TestPropertyCmd):

1049

command = StopCheckerCmd

1050

property = "CheckerRunning"

1051

values_to_set = [dbus.Boolean(False)]

1052

1053

class TestApproveByDefaultCmd(TestPropertyCmd):

1054

command = ApproveByDefaultCmd

1055

property = "ApprovedByDefault"

1056

values_to_set = [dbus.Boolean(True)]

1057

1058

class TestDenyByDefaultCmd(TestPropertyCmd):

1059

command = DenyByDefaultCmd

1060

property = "ApprovedByDefault"

1061

values_to_set = [dbus.Boolean(False)]

1062

1063

class TestValueArgumentPropertyCmd(TestPropertyCmd):

1064

"""Abstract class for tests of PropertyCmd classes using the

1065

ValueArgumentMixIn"""

1066

def runTest(self):

1067

if type(self) is TestValueArgumentPropertyCmd:

1068

return

1069

return super(TestValueArgumentPropertyCmd, self).runTest()

1070

def run_command(self, value, clients):

1071

self.command(value).run(None, clients)

1072

1073

class TestSetCheckerCmd(TestValueArgumentPropertyCmd):

1074

command = SetCheckerCmd

1075

property = "Checker"

1076

values_to_set = ["", ":", "fping -q -- %s"]

1077

1078

class TestSetHostCmd(TestValueArgumentPropertyCmd):

1079

command = SetHostCmd

1080

property = "Host"

1081

values_to_set = ["192.0.2.3", "foo.example.org"]

1082

1083

class TestSetSecretCmd(TestValueArgumentPropertyCmd):

1084

command = SetSecretCmd

1085

property = "Secret"

1086

values_to_set = [b"", b"secret"]

1087

1088

class TestSetTimeoutCmd(TestValueArgumentPropertyCmd):

1089

command = SetTimeoutCmd

1090

property = "Timeout"

1091

values_to_set = ["P0D", "PT5M", "PT1S", "PT120S", "P1Y"]

1092

values_to_get = [0, 300000, 1000, 120000, 31449600000]

1093

1094

class TestSetExtendedTimeoutCmd(TestValueArgumentPropertyCmd):

1095

command = SetExtendedTimeoutCmd

1096

property = "ExtendedTimeout"

1097

values_to_set = ["P0D", "PT5M", "PT1S", "PT120S", "P1Y"]

1098

values_to_get = [0, 300000, 1000, 120000, 31449600000]

1099

1100

class TestSetIntervalCmd(TestValueArgumentPropertyCmd):

1101

command = SetIntervalCmd

1102

property = "Interval"

1103

values_to_set = ["P0D", "PT5M", "PT1S", "PT120S", "P1Y"]

1104

values_to_get = [0, 300000, 1000, 120000, 31449600000]

1105

1106

class TestSetApprovalDelayCmd(TestValueArgumentPropertyCmd):

1107

command = SetApprovalDelayCmd

1108

property = "ApprovalDelay"

1109

values_to_set = ["P0D", "PT5M", "PT1S", "PT120S", "P1Y"]

1110

values_to_get = [0, 300000, 1000, 120000, 31449600000]

1111

1112

class TestSetApprovalDurationCmd(TestValueArgumentPropertyCmd):

1113

command = SetApprovalDurationCmd

1114

property = "ApprovalDuration"

1115

values_to_set = ["P0D", "PT5M", "PT1S", "PT120S", "P1Y"]

1116

values_to_get = [0, 300000, 1000, 120000, 31449600000]

1117

1118

1119

1120

def should_only_run_tests():

1121

parser = argparse.ArgumentParser(add_help=False)

1122

parser.add_argument("--check", action='store_true')

1123

args, unknown_args = parser.parse_known_args()

1124

run_tests = args.check

1125

if run_tests:

1126

# Remove --check argument from sys.argv

1127

sys.argv[1:] = unknown_args

1128

return run_tests

1129

1130

# Add all tests from doctest strings

1131

def load_tests(loader, tests, none):

1132

import doctest

1133

tests.addTests(doctest.DocTestSuite())

1134

return tests

1135

1136

if __name__ == "__main__":

1137

if should_only_run_tests():

1138

# Call using ./tdd-python-script --check [--verbose]

1139

unittest.main()

1140

else:

1141

main()

178

client.StopChecker()

179

if options.is_valid:

180

sys.exit(0 if client.IsStillValid() else 1)

181

if options.checker:

182

client.SetChecker(options.checker)

183

if options.host:

184

client.SetHost(options.host)

185

if options.interval:

186

client.SetInterval(datetime_to_milliseconds

187

(string_to_delta(options.interval)))

188

if options.timeout:

189

client.SetTimeout(datetime_to_milliseconds

190

(string_to_delta(options.timeout)))

191

if options.secret:

192

client.SetSecret(dbus.ByteArray(open(options.secret, 'rb').read()))

193