/mandos/trunk : revision 302

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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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busname = 'org.mandos-system.Mandos'

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server_path = '/Mandos'

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server_interface = 'org.mandos_system.Mandos'

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client_interface = 'org.mandos_system.Mandos.Client'

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version = "1.0.5"

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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 in clients:

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self.run_on_one_client(client)

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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):

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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"""

305

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

312

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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if self.verbose:

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keywords = self.all_keywords

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else:

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

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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",

341

"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

359

if tableheaders is not None:

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self.tableheaders = tableheaders

361

362

def __str__(self):

363

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

364

365

if sys.version_info.major == 2:

366

__unicode__ = __str__

367

def __str__(self):

368

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

369

370

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]),

381

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

382

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):

387

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

401

def client_line(self, client, format_string):

402

return format_string.format(

403

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

404

for key in self.keywords})

405

406

407

408

class DumpJSONCmd(PrintCmd):

409

def output(self, clients):

410

data = {client["Name"]:

411

{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):

423

if self.is_enabled(client):

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:

89

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):

427

return client.Get(client_interface, "Enabled",

428

dbus_interface=dbus.PROPERTIES_IFACE)

429

430

class RemoveCmd(Command):

431

def run_on_one_client(self, client):

432

self.mandos.RemoveClient(client.__dbus_object_path__)

433

434

class ApproveCmd(Command):

435

def run_on_one_client(self, client):

436

client.Approve(dbus.Boolean(True),

437

dbus_interface=client_interface)

438

439

class DenyCmd(Command):

440

def run_on_one_client(self, client):

441

client.Approve(dbus.Boolean(False),

442

dbus_interface=client_interface)

443

444

class EnableCmd(PropertyCmd):

445

property = "Enabled"

446

value_to_set = dbus.Boolean(True)

447

448

class DisableCmd(PropertyCmd):

449

property = "Enabled"

450

value_to_set = dbus.Boolean(False)

451

452

class BumpTimeoutCmd(PropertyCmd):

453

property = "LastCheckedOK"

454

value_to_set = ""

455

456

class StartCheckerCmd(PropertyCmd):

457

property = "CheckerRunning"

458

value_to_set = dbus.Boolean(True)

459

460

class StopCheckerCmd(PropertyCmd):

461

property = "CheckerRunning"

462

value_to_set = dbus.Boolean(False)

463

464

class ApproveByDefaultCmd(PropertyCmd):

465

property = "ApprovedByDefault"

466

value_to_set = dbus.Boolean(True)

467

468

class DenyByDefaultCmd(PropertyCmd):

469

property = "ApprovedByDefault"

470

value_to_set = dbus.Boolean(False)

471

472

class SetCheckerCmd(PropertyCmd, ValueArgumentMixIn):

473

property = "Checker"

474

475

class SetHostCmd(PropertyCmd, ValueArgumentMixIn):

476

property = "Host"

477

478

class SetSecretCmd(PropertyCmd, ValueArgumentMixIn):

479

property = "Secret"

480

481

class SetTimeoutCmd(PropertyCmd, MillisecondsValueArgumentMixIn):

482

property = "Timeout"

483

484

class SetExtendedTimeoutCmd(PropertyCmd,

485

MillisecondsValueArgumentMixIn):

486

property = "ExtendedTimeout"

487

488

class SetIntervalCmd(PropertyCmd, MillisecondsValueArgumentMixIn):

489

property = "Interval"

490

491

class SetApprovalDelayCmd(PropertyCmd,

492

MillisecondsValueArgumentMixIn):

493

property = "ApprovalDelay"

494

495

class SetApprovalDurationCmd(PropertyCmd,

496

MillisecondsValueArgumentMixIn):

497

property = "ApprovalDuration"

498

499

def has_actions(options):

500

return any((options.enable,

501

options.disable,

502

options.bump_timeout,

503

options.start_checker,

504

options.stop_checker,

505

options.is_enabled,

506

options.remove,

507

options.checker is not None,

508

options.timeout is not None,

509

options.extended_timeout is not None,

510

options.interval is not None,

511

options.approved_by_default is not None,

512

options.approval_delay is not None,

513

options.approval_duration is not None,

514

options.host is not None,

515

options.secret is not None,

516

options.approve,

517

options.deny))

518

519

def add_command_line_options(parser):

520

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

521

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

522

help="show version number and exit")

523

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

524

help="Select all clients")

525

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

526

help="Print all fields")

527

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

528

help="Dump client data in JSON format")

529

enable_disable = parser.add_mutually_exclusive_group()

530

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

531

help="Enable client")

532

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

533

action="store_true",

534

help="disable client")

535

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

536

help="Bump timeout for client")

537

start_stop_checker = parser.add_mutually_exclusive_group()

538

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

539

action="store_true",

540

help="Start checker for client")

541

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

542

action="store_true",

543

help="Stop checker for client")

544

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

545

help="Check if client is enabled")

546

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

547

help="Remove client")

548

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

549

help="Set checker command for client")

550

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

551

help="Set timeout for client")

552

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

553

help="Set extended timeout for client")

554

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

555

help="Set checker interval for client")

556

approve_deny_default = parser.add_mutually_exclusive_group()

557

approve_deny_default.add_argument(

558

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

559

default=None, dest="approved_by_default",

560

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

561

approve_deny_default.add_argument(

562

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

563

dest="approved_by_default",

564

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

565

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

566

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

567

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

568

help="Set duration of one client approval")

569

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

570

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

571

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

572

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

573

approve_deny = parser.add_mutually_exclusive_group()

574

approve_deny.add_argument(

575

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

576

help="Approve any current client request")

577

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

578

help="Deny any current client request")

579

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

580

help="Run self-test")

581

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

582

583

584

def commands_and_clients_from_options(options):

585

586

commands = []

587

588

if options.dump_json:

589

commands.append(DumpJSONCmd())

590

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__)

591

169

if options.enable:

592

commands.append(EnableCmd())

593

170

client.Enable()

594

171

if options.disable:

595

commands.append(DisableCmd())

596

172

client.Disable()

597

173

if options.bump_timeout:

598

commands.append(BumpTimeoutCmd(options.bump_timeout))

599

174

client.BumpTimeout()

600

175

if options.start_checker:

601

commands.append(StartCheckerCmd())

602

176

client.StartChecker()

603

177

if options.stop_checker:

604

commands.append(StopCheckerCmd())

605

606

if options.is_enabled:

607

commands.append(IsEnabledCmd())

608

609

if options.remove:

610

commands.append(RemoveCmd())

611

612

if options.checker is not None:

613

commands.append(SetCheckerCmd())

614

615

if options.timeout is not None:

616

commands.append(SetTimeoutCmd(options.timeout))

617

618

if options.extended_timeout:

619

commands.append(

620

SetExtendedTimeoutCmd(options.extended_timeout))

621

622

if options.interval is not None:

623

command.append(SetIntervalCmd(options.interval))

624

625

if options.approved_by_default is not None:

626

if options.approved_by_default:

627

command.append(ApproveByDefaultCmd())

628

else:

629

command.append(DenyByDefaultCmd())

630

631

if options.approval_delay is not None:

632

command.append(SetApprovalDelayCmd(options.approval_delay))

633

634

if options.approval_duration is not None:

635

command.append(

636

SetApprovalDurationCmd(options.approval_duration))

637

638

if options.host is not None:

639

command.append(SetHostCmd(options.host))

640

641

if options.secret is not None:

642

command.append(SetSecretCmd(options.secret))

643

644

if options.approve:

645

commands.append(ApproveCmd())

646

647

if options.deny:

648

commands.append(DenyCmd())

649

650

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

651

# optionally verbosely

652

if not commands:

653

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

654

655

return commands, options.client

656

657

658

def main():

659

parser = argparse.ArgumentParser()

660

661

add_command_line_options(parser)

662

663

options = parser.parse_args()

664

665

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

666

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

667

if options.verbose and has_actions(options):

668

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

669

if options.dump_json and (options.verbose

670

or has_actions(options)):

671

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

672

if options.all and not has_actions(options):

673

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

674

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

675

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

676

677

commands, clientnames = commands_and_clients_from_options(options)

678

679

try:

680

bus = dbus.SystemBus()

681

mandos_dbus_objc = bus.get_object(busname, server_path)

682

except dbus.exceptions.DBusException:

683

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

684

sys.exit(1)

685

686

mandos_serv = dbus.Interface(mandos_dbus_objc,

687

dbus_interface=server_interface)

688

mandos_serv_object_manager = dbus.Interface(

689

mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)

690

691

# Filter out log message from dbus module

692

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

693

class NullFilter(logging.Filter):

694

def filter(self, record):

695

return False

696

dbus_filter = NullFilter()

697

dbus_logger.addFilter(dbus_filter)

698

try:

699

try:

700

mandos_clients = {path: ifs_and_props[client_interface]

701

for path, ifs_and_props in

702

mandos_serv_object_manager

703

.GetManagedObjects().items()

704

if client_interface in ifs_and_props}

705

finally:

706

# restore dbus logger

707

dbus_logger.removeFilter(dbus_filter)

708

except dbus.exceptions.DBusException as e:

709

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

710

"\n%s", e)

711

sys.exit(1)

712

713

# Compile dict of (clients: properties) to process

714

clients = {}

715

716

if not clientnames:

717

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

718

for path, properties in mandos_clients.items()}

719

else:

720

for name in clientnames:

721

for path, client in mandos_clients.items():

722

if client["Name"] == name:

723

client_objc = bus.get_object(busname, path)

724

clients[client_objc] = client

725

break

726

else:

727

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

728

sys.exit(1)

729

730

# Run all commands on clients

731

for command in commands:

732

command.run(mandos_serv, clients)

733

734

735

class Test_milliseconds_to_string(unittest.TestCase):

736

def test_all(self):

737

self.assertEqual(milliseconds_to_string(93785000),

738

"1T02:03:05")

739

def test_no_days(self):

740

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

741

def test_all_zero(self):

742

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

743

def test_no_fractional_seconds(self):

744

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

745

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

746

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

747

748

class Test_string_to_delta(unittest.TestCase):

749

def test_handles_basic_rfc3339(self):

750

self.assertEqual(string_to_delta("PT2H"),

751

datetime.timedelta(0, 7200))

752

def test_falls_back_to_pre_1_6_1_with_warning(self):

753

# assertLogs only exists in Python 3.4

754

if hasattr(self, "assertLogs"):

755

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

756

value = string_to_delta("2h")

757

else:

758

class WarningFilter(logging.Filter):

759

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

760

def filter(self, record):

761

is_warning = record.levelno >= logging.WARNING

762

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

763

False)

764

return not is_warning

765

warning_filter = WarningFilter()

766

log.addFilter(warning_filter)

767

try:

768

value = string_to_delta("2h")

769

finally:

770

log.removeFilter(warning_filter)

771

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

772

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

773

774

775

class TestCmd(unittest.TestCase):

776

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

777

def setUp(self):

778

testcase = self

779

class MockClient(object):

780

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

781

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

782

self.attributes = attributes

783

self.attributes["Name"] = name

784

self.calls = []

785

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

786

testcase.assertEqual(interface, client_interface)

787

testcase.assertEqual(dbus_interface,

788

dbus.PROPERTIES_IFACE)

789

self.attributes[property] = value

790

self.calls.append(("Set", (interface, property, value,

791

dbus_interface)))

792

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

793

testcase.assertEqual(interface, client_interface)

794

testcase.assertEqual(dbus_interface,

795

dbus.PROPERTIES_IFACE)

796

self.calls.append(("Get", (interface, property,

797

dbus_interface)))

798

return self.attributes[property]

799

def __getitem__(self, key):

800

return self.attributes[key]

801

def __setitem__(self, key, value):

802

self.attributes[key] = value

803

self.clients = collections.OrderedDict([

804

("foo",

805

MockClient(

806

"foo",

807

KeyID=("92ed150794387c03ce684574b1139a65"

808

"94a34f895daaaf09fd8ea90a27cddb12"),

809

Secret=b"secret",

810

Host="foo.example.org",

811

Enabled=dbus.Boolean(True),

812

Timeout=300000,

813

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

814

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

815

Interval=120000,

816

Fingerprint=("778827225BA7DE539C5A"

817

"7CFA59CFF7CDBD9A5920"),

818

CheckerRunning=dbus.Boolean(False),

819

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

820

ApprovalPending=dbus.Boolean(False),

821

ApprovedByDefault=dbus.Boolean(True),

822

LastApprovalRequest="",

823

ApprovalDelay=0,

824

ApprovalDuration=1000,

825

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

826

ExtendedTimeout=900000,

827

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

828

LastCheckerStatus=0)),

829

("barbar",

830

MockClient(

831

"barbar",

832

KeyID=("0558568eedd67d622f5c83b35a115f79"

833

"6ab612cff5ad227247e46c2b020f441c"),

834

Secret=b"secretbar",

835

Host="192.0.2.3",

836

Enabled=dbus.Boolean(True),

837

Timeout=300000,

838

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

839

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

840

Interval=120000,

841

Fingerprint=("3E393AEAEFB84C7E89E2"

842

"F547B3A107558FCA3A27"),

843

CheckerRunning=dbus.Boolean(True),

844

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

845

ApprovalPending=dbus.Boolean(False),

846

ApprovedByDefault=dbus.Boolean(False),

847

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

848

ApprovalDelay=30000,

849

ApprovalDuration=1000,

850

Checker=":",

851

ExtendedTimeout=900000,

852

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

853

LastCheckerStatus=-2)),

854

])

855

856

class TestPrintTableCmd(TestCmd):

857

def test_normal(self):

858

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

859

expected_output = """

860

Name Enabled Timeout Last Successful Check

861

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

862

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

863

"""[1:-1]

864

self.assertEqual(output, expected_output)

865

def test_verbose(self):

866

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

867

expected_output = """

868

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

869

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

870

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

871

"""[1:-1]

872

self.assertEqual(output, expected_output)

873

def test_one_client(self):

874

output = PrintTableCmd().output({"foo": self.clients["foo"]})

875

expected_output = """

876

Name Enabled Timeout Last Successful Check

877

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

878

"""[1:-1]

879

self.assertEqual(output, expected_output)

880

881

class TestDumpJSONCmd(TestCmd):

882

def setUp(self):

883

self.expected_json = {

884

"foo": {

885

"Name": "foo",

886

"KeyID": ("92ed150794387c03ce684574b1139a65"

887

"94a34f895daaaf09fd8ea90a27cddb12"),

888

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

889

"Enabled": True,

890

"Timeout": 300000,

891

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

892

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

893

"Interval": 120000,

894

"Fingerprint": ("778827225BA7DE539C5A"

895

"7CFA59CFF7CDBD9A5920"),

896

"CheckerRunning": False,

897

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

898

"ApprovalPending": False,

899

"ApprovedByDefault": True,

900

"LastApprovalRequest": "",

901

"ApprovalDelay": 0,

902

"ApprovalDuration": 1000,

903

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

904

"ExtendedTimeout": 900000,

905

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

906

"LastCheckerStatus": 0,

907

},

908

"barbar": {

909

"Name": "barbar",

910

"KeyID": ("0558568eedd67d622f5c83b35a115f79"

911

"6ab612cff5ad227247e46c2b020f441c"),

912

"Host": "192.0.2.3",

913

"Enabled": True,

914

"Timeout": 300000,

915

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

916

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

917

"Interval": 120000,

918

"Fingerprint": ("3E393AEAEFB84C7E89E2"

919

"F547B3A107558FCA3A27"),

920

"CheckerRunning": True,

921

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

922

"ApprovalPending": False,

923

"ApprovedByDefault": False,

924

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

925

"ApprovalDelay": 30000,

926

"ApprovalDuration": 1000,

927

"Checker": ":",

928

"ExtendedTimeout": 900000,

929

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

930

"LastCheckerStatus": -2,

931

},

932

}

933

return super(TestDumpJSONCmd, self).setUp()

934

def test_normal(self):

935

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

936

self.assertDictEqual(json_data, self.expected_json)

937

def test_one_client(self):

938

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

939

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

940

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

941

self.assertDictEqual(json_data, expected_json)

942

943

class TestIsEnabledCmd(TestCmd):

944

def test_is_enabled(self):

945

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

946

for client in self.clients.values()))

947

def test_is_enabled_does_get_attribute(self):

948

client = self.clients["foo"]

949

self.assertTrue(IsEnabledCmd().is_enabled(client))

950

self.assertListEqual(client.calls,

951

[("Get",

952

("se.recompile.Mandos.Client",

953

"Enabled",

954

"org.freedesktop.DBus.Properties"))])

955

def test_is_enabled_run_exits_successfully(self):

956

client = self.clients["foo"]

957

with self.assertRaises(SystemExit) as e:

958

IsEnabledCmd().run_on_one_client(client)

959

if e.exception.code is not None:

960

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

961

else:

962

self.assertIsNone(e.exception.code)

963

def test_is_enabled_run_exits_with_failure(self):

964

client = self.clients["foo"]

965

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

966

with self.assertRaises(SystemExit) as e:

967

IsEnabledCmd().run_on_one_client(client)

968

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

969

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

970

else:

971

self.assertIsNotNone(e.exception.code)

972

973

974

975

def should_only_run_tests():

976

parser = argparse.ArgumentParser(add_help=False)

977

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

978

args, unknown_args = parser.parse_known_args()

979

run_tests = args.check

980

if run_tests:

981

# Remove --check argument from sys.argv

982

sys.argv[1:] = unknown_args

983

return run_tests

984

985

# Add all tests from doctest strings

986

def load_tests(loader, tests, none):

987

import doctest

988

tests.addTests(doctest.DocTestSuite())

989

return tests

990

991

if __name__ == "__main__":

992

if should_only_run_tests():

993

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

994

unittest.main()

995

else:

996

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