/mandos/trunk : revision 237.2.22

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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 = "1.0.9"

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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"""

276

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."""

280

self.mandos = mandos

281

for client, properties in clients.items():

282

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):

304

"""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."""

311

@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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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))

331

332

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",

340

"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

359

if tableheaders is not None:

360

self.tableheaders = tableheaders

361

362

def __str__(self):

363

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

364

365

if sys.version_info.major == 2:

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__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()

372

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

386

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, 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:

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, 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_and_clients_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(options.bump_timeout))

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, options.client

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

commands, clientnames = commands_and_clients_from_options(options)

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

for command in commands:

730

command.run(mandos_serv, clients)

731

732

733

class Test_milliseconds_to_string(unittest.TestCase):

734

def test_all(self):

735

self.assertEqual(milliseconds_to_string(93785000),

736

"1T02:03:05")

737

def test_no_days(self):

738

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

739

def test_all_zero(self):

740

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

741

def test_no_fractional_seconds(self):

742

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

743

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

744

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

745

746

class Test_string_to_delta(unittest.TestCase):

747

def test_handles_basic_rfc3339(self):

748

self.assertEqual(string_to_delta("PT2H"),

749

datetime.timedelta(0, 7200))

750

def test_falls_back_to_pre_1_6_1_with_warning(self):

751

# assertLogs only exists in Python 3.4

752

if hasattr(self, "assertLogs"):

753

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

754

value = string_to_delta("2h")

755

else:

756

class WarningFilter(logging.Filter):

757

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

758

def filter(self, record):

759

is_warning = record.levelno >= logging.WARNING

760

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

761

False)

762

return not is_warning

763

warning_filter = WarningFilter()

764

log.addFilter(warning_filter)

765

try:

766

value = string_to_delta("2h")

767

finally:

768

log.removeFilter(warning_filter)

769

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

770

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

771

772

773

class TestCmd(unittest.TestCase):

774

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

775

def setUp(self):

776

testcase = self

777

class MockClient(object):

778

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

779

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

780

self.attributes = attributes

781

self.attributes["Name"] = name

782

self.calls = []

783

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

784

testcase.assertEqual(interface, client_interface)

785

testcase.assertEqual(dbus_interface,

786

dbus.PROPERTIES_IFACE)

787

self.attributes[property] = value

788

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

789

dbus_interface)))

790

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

791

testcase.assertEqual(interface, client_interface)

792

testcase.assertEqual(dbus_interface,

793

dbus.PROPERTIES_IFACE)

794

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

795

dbus_interface)))

796

return self.attributes[property]

797

def Approve(self, approve, dbus_interface):

798

testcase.assertEqual(dbus_interface, client_interface)

799

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

800

dbus_interface)))

801

self.client = MockClient(

802

"foo",

803

KeyID=("92ed150794387c03ce684574b1139a65"

804

"94a34f895daaaf09fd8ea90a27cddb12"),

805

Secret=b"secret",

806

Host="foo.example.org",

807

Enabled=dbus.Boolean(True),

808

Timeout=300000,

809

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

810

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

811

Interval=120000,

812

Fingerprint=("778827225BA7DE539C5A"

813

"7CFA59CFF7CDBD9A5920"),

814

CheckerRunning=dbus.Boolean(False),

815

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

816

ApprovalPending=dbus.Boolean(False),

817

ApprovedByDefault=dbus.Boolean(True),

818

LastApprovalRequest="",

819

ApprovalDelay=0,

820

ApprovalDuration=1000,

821

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

822

ExtendedTimeout=900000,

823

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

824

LastCheckerStatus=0)

825

self.other_client = MockClient(

826

"barbar",

827

KeyID=("0558568eedd67d622f5c83b35a115f79"

828

"6ab612cff5ad227247e46c2b020f441c"),

829

Secret=b"secretbar",

830

Host="192.0.2.3",

831

Enabled=dbus.Boolean(True),

832

Timeout=300000,

833

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

834

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

835

Interval=120000,

836

Fingerprint=("3E393AEAEFB84C7E89E2"

837

"F547B3A107558FCA3A27"),

838

CheckerRunning=dbus.Boolean(True),

839

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

840

ApprovalPending=dbus.Boolean(False),

841

ApprovedByDefault=dbus.Boolean(False),

842

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

843

ApprovalDelay=30000,

844

ApprovalDuration=1000,

845

Checker=":",

846

ExtendedTimeout=900000,

847

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

848

LastCheckerStatus=-2)

849

self.clients = collections.OrderedDict(

850

[

851

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

852

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

853

])

854

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

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(self.one_client)

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 = self.one_client

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, properties)

946

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

947

def test_is_enabled_run_exits_successfully(self):

948

with self.assertRaises(SystemExit) as e:

949

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

950

if e.exception.code is not None:

951

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

952

else:

953

self.assertIsNone(e.exception.code)

954

def test_is_enabled_run_exits_with_failure(self):

955

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

956

with self.assertRaises(SystemExit) as e:

957

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

958

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

959

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

960

else:

961

self.assertIsNotNone(e.exception.code)

962

963

class TestRemoveCmd(TestCmd):

964

def test_remove(self):

965

class MockMandos(object):

966

def __init__(self):

967

self.calls = []

968

def RemoveClient(self, dbus_path):

969

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

970

mandos = MockMandos()

971

super(TestRemoveCmd, self).setUp()

972

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

973

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

974

for client in self.clients:

975

self.assertIn(("RemoveClient",

976

(client.__dbus_object_path__,)),

977

mandos.calls)

978

979

class TestApproveCmd(TestCmd):

980

def test_approve(self):

981

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

982

for client in self.clients:

983

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

984

client.calls)

985

986

class TestDenyCmd(TestCmd):

987

def test_deny(self):

988

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

989

for client in self.clients:

990

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

991

client.calls)

992

993

994

995

def should_only_run_tests():

996

parser = argparse.ArgumentParser(add_help=False)

997

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

998

args, unknown_args = parser.parse_known_args()

999

run_tests = args.check

1000

if run_tests:

1001

# Remove --check argument from sys.argv

1002

sys.argv[1:] = unknown_args

1003

return run_tests

1004

1005

# Add all tests from doctest strings

1006

def load_tests(loader, tests, none):

1007

import doctest

1008

tests.addTests(doctest.DocTestSuite())

1009

return tests

1010

1011

if __name__ == "__main__":

1012

if should_only_run_tests():

1013

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

1014

unittest.main()

1015

else:

1016

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