/mandos/trunk : revision 1019

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#!/usr/bin/python

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

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from __future__ import division

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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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import sys

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import dbus

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from optparse import OptionParser

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import argparse

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import locale

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import datetime

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import re

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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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'LastCheckedOK': 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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'CheckerRunning': u'Check Is Running',

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'LastEnabled': u'Last Enabled',

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'Checker': u'Checker',

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}

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defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')

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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 = "1.0.14"

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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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bus = dbus.SystemBus()

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mandos_dbus_objc = bus.get_object(busname, server_path)

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except dbus.exceptions.DBusException:

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sys.exit(1)

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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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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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def timedelta_to_milliseconds(td):

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"Convert a datetime.timedelta object to milliseconds"

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

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+ (td.seconds * 1000)

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+ (td.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 (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"

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% { "days": "%dT" % 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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})

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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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def string_to_delta(interval):

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

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>>> string_to_delta('7d')

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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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datetime.timedelta(7)

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>>> string_to_delta('60s')

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>>> parse_pre_1_6_1_interval('60s')

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datetime.timedelta(0, 60)

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>>> string_to_delta('60m')

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>>> parse_pre_1_6_1_interval('60m')

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datetime.timedelta(0, 3600)

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>>> string_to_delta('24h')

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>>> parse_pre_1_6_1_interval('24h')

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datetime.timedelta(1)

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>>> string_to_delta(u'1w')

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>>> parse_pre_1_6_1_interval('1w')

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datetime.timedelta(7)

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

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>>> parse_pre_1_6_1_interval('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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timevalue = datetime.timedelta(0)

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

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for s in regexp.findall(interval):

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try:

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suffix = unicode(s[-1])

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value = int(s[:-1])

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if suffix == u"d":

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delta = datetime.timedelta(value)

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elif suffix == u"s":

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delta = datetime.timedelta(0, value)

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elif suffix == u"m":

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

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elif suffix == u"h":

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

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elif suffix == u"w":

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

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else:

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raise ValueError

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except (ValueError, IndexError):

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raise ValueError

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timevalue += delta

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return timevalue

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def print_clients(clients):

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def valuetostring(value, keyword):

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if type(value) is dbus.Boolean:

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

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

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return milliseconds_to_string(value)

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return unicode(value)

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# Create format string to print table rows

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

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max(len(tablewords[key]),

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max(len(valuetostring(client[key],

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key))

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for client in

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clients))

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for key in keywords)

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# Print header line

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

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for client in clients:

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

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for key in keywords)

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

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

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help="Print all fields")

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

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help="Enable client")

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

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help="disable client")

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

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help="Bump timeout for client")

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

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help="Start checker for client")

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

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help="Stop checker for client")

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

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help="Check if client is enabled")

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

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help="Remove client")

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

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help="Set checker command for client")

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

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help="Set timeout for client")

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

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help="Set checker interval for client")

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

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help="Set host for client")

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

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

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parser.add_option("-A", "--approve", action="store_true",

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help="Approve any current client request")

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parser.add_option("-D", "--deny", action="store_true",

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help="Deny any current client request")

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options, client_names = parser.parse_args()

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# Compile list of clients to process

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clients=[]

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for name in client_names:

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for path, client in mandos_clients.iteritems():

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if client['name'] == name:

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client_objc = bus.get_object(busname, path)

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clients.append(client_objc)

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break

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else:

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

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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."""

280

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"""

286

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))

295

296

class PropertyCmd(Command):

297

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

298

def run_on_one_client(self, client):

299

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

300

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

301

dbus_interface=dbus.PROPERTIES_IFACE)

302

303

class ValueArgumentMixIn(object):

304

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

305

def __init__(self, value):

306

self.value_to_set = value

307

308

class MillisecondsValueArgumentMixIn(ValueArgumentMixIn):

309

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

310

milliseconds."""

311

@property

312

def value_to_set(self):

313

return self._vts

314

@value_to_set.setter

315

def value_to_set(self, value):

316

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

317

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

318

319

# Actual (non-abstract) command classes

320

321

class PrintTableCmd(PrintCmd):

322

def __init__(self, verbose=False):

323

self.verbose = verbose

324

325

def output(self, clients):

326

if self.verbose:

327

keywords = self.all_keywords

328

else:

329

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

330

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

331

332

class TableOfClients(object):

333

tableheaders = {

334

"Name": "Name",

335

"Enabled": "Enabled",

336

"Timeout": "Timeout",

337

"LastCheckedOK": "Last Successful Check",

338

"LastApprovalRequest": "Last Approval Request",

339

"Created": "Created",

340

"Interval": "Interval",

341

"Host": "Host",

342

"Fingerprint": "Fingerprint",

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"KeyID": "Key ID",

344

"CheckerRunning": "Check Is Running",

345

"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",

350

"Checker": "Checker",

351

"ExtendedTimeout": "Extended Timeout",

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"Expires": "Expires",

353

"LastCheckerStatus": "Last Checker Status",

354

}

355

356

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

357

self.clients = clients

358

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:

366

__unicode__ = __str__

367

def __str__(self):

368

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

369

370

def rows(self):

371

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]),

381

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

382

for client in self.clients)),

383

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):

423

if self.is_enabled(client):

424

sys.exit(0)

165

425

sys.exit(1)

166

167

if not clients and mandos_clients.values():

168

keywords = defaultkeywords

169

if options.all:

170

keywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK',

171

'Created', 'Interval', 'Host', 'Fingerprint',

172

'CheckerRunning', 'LastEnabled', 'Checker')

173

print_clients(mandos_clients.values())

174

175

# Process each client in the list by all selected options

176

for client in clients:

177

if options.remove:

178

mandos_serv.RemoveClient(client.__dbus_object_path__)

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

179

591

if options.enable:

180

client.Enable(dbus_interface=client_interface)

592

commands.append(EnableCmd())

593

181

594

if options.disable:

182

client.Disable(dbus_interface=client_interface)

595

commands.append(DisableCmd())

596

183

597

if options.bump_timeout:

184

client.CheckedOK(dbus_interface=client_interface)

598

commands.append(BumpTimeoutCmd(options.bump_timeout))

599

185

600

if options.start_checker:

186

client.StartChecker(dbus_interface=client_interface)

601

commands.append(StartCheckerCmd())

602

187

603

if options.stop_checker:

188

client.StopChecker(dbus_interface=client_interface)

604

commands.append(StopCheckerCmd())

605

189

606

if options.is_enabled:

190

sys.exit(0 if client.Get(client_interface,

191

u"Enabled",

192

dbus_interface=dbus.PROPERTIES_IFACE)

193

else 1)

194

if options.checker:

195

client.Set(client_interface, u"Checker", options.checker,

196

dbus_interface=dbus.PROPERTIES_IFACE)

197

if options.host:

198

client.Set(client_interface, u"Host", options.host,

199

dbus_interface=dbus.PROPERTIES_IFACE)

200

if options.interval:

201

client.Set(client_interface, u"Interval",

202

timedelta_to_milliseconds

203

(string_to_delta(options.interval)),

204

dbus_interface=dbus.PROPERTIES_IFACE)

205

if options.timeout:

206

client.Set(client_interface, u"Timeout",

207

timedelta_to_milliseconds(string_to_delta

208

(options.timeout)),

209

dbus_interface=dbus.PROPERTIES_IFACE)

210

if options.secret:

211

client.Set(client_interface, u"Secret",

212

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

213

dbus_interface=dbus.PROPERTIES_IFACE)

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

214

644

if options.approve:

215

client.Approve(dbus.Boolean(True),

216

dbus_interface=client_interface)

645

commands.append(ApproveCmd())

646

217

647

if options.deny:

218

client.Approve(dbus.Boolean(False),

219

dbus_interface=client_interface)

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

try:

698

dbus_logger.addFilter(dbus_filter)

699

mandos_clients = {path: ifs_and_props[client_interface]

700

for path, ifs_and_props in

701

mandos_serv_object_manager

702

.GetManagedObjects().items()

703

if client_interface in ifs_and_props}

704

except dbus.exceptions.DBusException as e:

705

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

706

"\n%s", e)

707

sys.exit(1)

708

finally:

709

# restore dbus logger

710

dbus_logger.removeFilter(dbus_filter)

711

712

# Compile dict of (clients: properties) to process

713

clients = {}

714

715

if not clientnames:

716

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

717

for path, properties in mandos_clients.items()}

718

else:

719

for name in clientnames:

720

for path, client in mandos_clients.items():

721

if client["Name"] == name:

722

client_objc = bus.get_object(busname, path)

723

clients[client_objc] = client

724

break

725

else:

726

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

727

sys.exit(1)

728

729

# Run all commands on clients

730

for command in commands:

731

command.run(mandos_serv, clients)

732

733

734

class Test_milliseconds_to_string(unittest.TestCase):

735

def test_all(self):

736

self.assertEqual(milliseconds_to_string(93785000),

737

"1T02:03:05")

738

def test_no_days(self):

739

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

740

def test_all_zero(self):

741

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

742

def test_no_fractional_seconds(self):

743

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

744

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

745

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

746

747

class Test_string_to_delta(unittest.TestCase):

748

def test_handles_basic_rfc3339(self):

749

self.assertEqual(string_to_delta("PT2H"),

750

datetime.timedelta(0, 7200))

751

def test_falls_back_to_pre_1_6_1_with_warning(self):

752

# assertLogs only exists in Python 3.4

753

if hasattr(self, "assertLogs"):

754

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

755

value = string_to_delta("2h")

756

else:

757

class WarningFilter(logging.Filter):

758

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

759

def filter(self, record):

760

is_warning = record.levelno >= logging.WARNING

761

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

762

False)

763

return not is_warning

764

warning_filter = WarningFilter()

765

log.addFilter(warning_filter)

766

try:

767

value = string_to_delta("2h")

768

finally:

769

log.removeFilter(warning_filter)

770

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

771

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

772

773

774

class TestCmd(unittest.TestCase):

775

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

776

def setUp(self):

777

testcase = self

778

class MockClient(object):

779

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

780

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

781

self.attributes = attributes

782

self.attributes["Name"] = name

783

self.calls = []

784

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

785

testcase.assertEqual(interface, client_interface)

786

testcase.assertEqual(dbus_interface,

787

dbus.PROPERTIES_IFACE)

788

self.attributes[property] = value

789

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

790

dbus_interface)))

791

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

792

testcase.assertEqual(interface, client_interface)

793

testcase.assertEqual(dbus_interface,

794

dbus.PROPERTIES_IFACE)

795

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

796

dbus_interface)))

797

return self.attributes[property]

798

def Approve(self, approve, dbus_interface):

799

testcase.assertEqual(dbus_interface, client_interface)

800

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

801

dbus_interface)))

802

def __getitem__(self, key):

803

return self.attributes[key]

804

def __setitem__(self, key, value):

805

self.attributes[key] = value

806

self.clients = collections.OrderedDict([

807

("foo",

808

MockClient(

809

"foo",

810

KeyID=("92ed150794387c03ce684574b1139a65"

811

"94a34f895daaaf09fd8ea90a27cddb12"),

812

Secret=b"secret",

813

Host="foo.example.org",

814

Enabled=dbus.Boolean(True),

815

Timeout=300000,

816

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

817

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

818

Interval=120000,

819

Fingerprint=("778827225BA7DE539C5A"

820

"7CFA59CFF7CDBD9A5920"),

821

CheckerRunning=dbus.Boolean(False),

822

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

823

ApprovalPending=dbus.Boolean(False),

824

ApprovedByDefault=dbus.Boolean(True),

825

LastApprovalRequest="",

826

ApprovalDelay=0,

827

ApprovalDuration=1000,

828

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

829

ExtendedTimeout=900000,

830

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

831

LastCheckerStatus=0)),

832

("barbar",

833

MockClient(

834

"barbar",

835

KeyID=("0558568eedd67d622f5c83b35a115f79"

836

"6ab612cff5ad227247e46c2b020f441c"),

837

Secret=b"secretbar",

838

Host="192.0.2.3",

839

Enabled=dbus.Boolean(True),

840

Timeout=300000,

841

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

842

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

843

Interval=120000,

844

Fingerprint=("3E393AEAEFB84C7E89E2"

845

"F547B3A107558FCA3A27"),

846

CheckerRunning=dbus.Boolean(True),

847

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

848

ApprovalPending=dbus.Boolean(False),

849

ApprovedByDefault=dbus.Boolean(False),

850

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

851

ApprovalDelay=30000,

852

ApprovalDuration=1000,

853

Checker=":",

854

ExtendedTimeout=900000,

855

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

856

LastCheckerStatus=-2)),

857

])

858

self.client = self.clients["foo"]

859

860

class TestPrintTableCmd(TestCmd):

861

def test_normal(self):

862

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

863

expected_output = """

864

Name Enabled Timeout Last Successful Check

865

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

866

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

867

"""[1:-1]

868

self.assertEqual(output, expected_output)

869

def test_verbose(self):

870

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

871

expected_output = """

872

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

873

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

874

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

875

"""[1:-1]

876

self.assertEqual(output, expected_output)

877

def test_one_client(self):

878

output = PrintTableCmd().output({"foo": self.client})

879

expected_output = """

880

Name Enabled Timeout Last Successful Check

881

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

882

"""[1:-1]

883

self.assertEqual(output, expected_output)

884

885

class TestDumpJSONCmd(TestCmd):

886

def setUp(self):

887

self.expected_json = {

888

"foo": {

889

"Name": "foo",

890

"KeyID": ("92ed150794387c03ce684574b1139a65"

891

"94a34f895daaaf09fd8ea90a27cddb12"),

892

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

893

"Enabled": True,

894

"Timeout": 300000,

895

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

896

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

897

"Interval": 120000,

898

"Fingerprint": ("778827225BA7DE539C5A"

899

"7CFA59CFF7CDBD9A5920"),

900

"CheckerRunning": False,

901

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

902

"ApprovalPending": False,

903

"ApprovedByDefault": True,

904

"LastApprovalRequest": "",

905

"ApprovalDelay": 0,

906

"ApprovalDuration": 1000,

907

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

908

"ExtendedTimeout": 900000,

909

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

910

"LastCheckerStatus": 0,

911

},

912

"barbar": {

913

"Name": "barbar",

914

"KeyID": ("0558568eedd67d622f5c83b35a115f79"

915

"6ab612cff5ad227247e46c2b020f441c"),

916

"Host": "192.0.2.3",

917

"Enabled": True,

918

"Timeout": 300000,

919

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

920

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

921

"Interval": 120000,

922

"Fingerprint": ("3E393AEAEFB84C7E89E2"

923

"F547B3A107558FCA3A27"),

924

"CheckerRunning": True,

925

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

926

"ApprovalPending": False,

927

"ApprovedByDefault": False,

928

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

929

"ApprovalDelay": 30000,

930

"ApprovalDuration": 1000,

931

"Checker": ":",

932

"ExtendedTimeout": 900000,

933

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

934

"LastCheckerStatus": -2,

935

},

936

}

937

return super(TestDumpJSONCmd, self).setUp()

938

def test_normal(self):

939

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

940

self.assertDictEqual(json_data, self.expected_json)

941

def test_one_client(self):

942

clients = {"foo": self.client}

943

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

944

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

945

self.assertDictEqual(json_data, expected_json)

946

947

class TestIsEnabledCmd(TestCmd):

948

def test_is_enabled(self):

949

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

950

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

951

def test_is_enabled_does_get_attribute(self):

952

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

953

self.assertListEqual(self.client.calls,

954

[("Get",

955

("se.recompile.Mandos.Client",

956

"Enabled",

957

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

958

def test_is_enabled_run_exits_successfully(self):

959

with self.assertRaises(SystemExit) as e:

960

IsEnabledCmd().run(None, [self.client])

961

if e.exception.code is not None:

962

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

963

else:

964

self.assertIsNone(e.exception.code)

965

def test_is_enabled_run_exits_with_failure(self):

966

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

967

with self.assertRaises(SystemExit) as e:

968

IsEnabledCmd().run(None, [self.client])

969

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

970

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

971

else:

972

self.assertIsNotNone(e.exception.code)

973

974

class TestRemoveCmd(TestCmd):

975

def test_remove(self):

976

class MockMandos(object):

977

def __init__(self):

978

self.calls = []

979

def RemoveClient(self, dbus_path):

980

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

981

mandos = MockMandos()

982

RemoveCmd().run(mandos, [self.client])

983

self.assertEqual(len(mandos.calls), 1)

984

self.assertListEqual(mandos.calls,

985

[("RemoveClient",

986

(self.client.__dbus_object_path__,))])

987

988

class TestApproveCmd(TestCmd):

989

def test_approve(self):

990

ApproveCmd().run(None, [self.client])

991

self.assertListEqual(self.client.calls,

992

[("Approve", (True, client_interface))])

993

class TestDenyCmd(TestCmd):

994

def test_approve(self):

995

DenyCmd().run(None, [self.client])

996

self.assertListEqual(self.client.calls,

997

[("Approve", (False, client_interface))])

998

999

1000

1001

def should_only_run_tests():

1002

parser = argparse.ArgumentParser(add_help=False)

1003

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

1004

args, unknown_args = parser.parse_known_args()

1005

run_tests = args.check

1006

if run_tests:

1007

# Remove --check argument from sys.argv

1008

sys.argv[1:] = unknown_args

1009

return run_tests

1010

1011

# Add all tests from doctest strings

1012

def load_tests(loader, tests, none):

1013

import doctest

1014

tests.addTests(doctest.DocTestSuite())

1015

return tests

1016

1017

if __name__ == "__main__":

1018

if should_only_run_tests():

1019

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

1020

unittest.main()

1021

else:

1022

main()