/mandos/trunk : revision 517

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

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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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#

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#

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

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# it 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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# This program is distributed in the hope that it will be useful,

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# but 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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#

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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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# along with this program. 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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#

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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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import argparse

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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 io

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import tempfile

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import contextlib

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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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tablewords = {

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"Name": "Name",

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"Enabled": "Enabled",

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"Timeout": "Timeout",

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"LastCheckedOK": "Last Successful Check",

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"LastApprovalRequest": "Last Approval Request",

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"Created": "Created",

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"Interval": "Interval",

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"Host": "Host",

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"Fingerprint": "Fingerprint",

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"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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}

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

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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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version = "1.4.0"

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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 ("{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 ("%(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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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("1w")

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datetime.timedelta(7)

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

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

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datetime.timedelta(0, 330)

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>>> parse_pre_1_6_1_interval('')

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datetime.timedelta(0)

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

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>>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')

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datetime.timedelta(2, 480, 18000)

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"""

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value = datetime.timedelta(0)

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

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

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if suffix == "d":

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

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elif suffix == "s":

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

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elif suffix == "m":

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

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elif suffix == "h":

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

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elif suffix == "w":

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

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elif suffix == "":

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

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return value

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## Classes for commands.

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# Abstract classes first

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class Command(object):

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"""Abstract class for commands"""

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def run(self, clients, bus=None, mandos=None):

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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

282

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

283

self.mandos = mandos

284

for clientpath, properties in clients.items():

285

log.debug("D-Bus: Connect to: (busname=%r, path=%r)",

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busname, str(clientpath))

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client = bus.get_object(busname, clientpath)

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self.run_on_one_client(client, properties)

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class PrintCmd(Command):

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

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

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

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

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"ApprovalPending", "ApprovedByDefault",

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"LastApprovalRequest", "ApprovalDelay",

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

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"Expires", "LastCheckerStatus")

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def run(self, clients, bus=None, mandos=None):

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print(self.output(clients.values()))

301

def output(self, clients):

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raise NotImplementedError()

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class PropertyCmd(Command):

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

306

def run_on_one_client(self, client, properties):

307

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

308

log.debug("D-Bus: %s:%s:%s.Set(%r, %r, %r)", busname,

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client.__dbus_object_path__,

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dbus.PROPERTIES_IFACE, client_interface,

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self.propname, self.value_to_set

312

if not isinstance(self.value_to_set, dbus.Boolean)

313

else bool(self.value_to_set))

314

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

315

dbus_interface=dbus.PROPERTIES_IFACE)

316

@property

317

def propname(self):

318

raise NotImplementedError()

319

320

class PropertyValueCmd(PropertyCmd):

321

"""Abstract class for PropertyCmd recieving a value as argument"""

322

def __init__(self, value):

323

self.value_to_set = value

324

325

class MillisecondsPropertyValueArgumentCmd(PropertyValueCmd):

326

"""Abstract class for PropertyValueCmd taking a value argument as

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a datetime.timedelta() but should store it as milliseconds."""

328

@property

329

def value_to_set(self):

330

return self._vts

331

@value_to_set.setter

332

def value_to_set(self, value):

333

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

334

self._vts = int(round(value.total_seconds() * 1000))

335

336

# Actual (non-abstract) command classes

337

338

class PrintTableCmd(PrintCmd):

339

def __init__(self, verbose=False):

340

self.verbose = verbose

341

342

def output(self, clients):

343

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

344

keywords = default_keywords

345

if self.verbose:

346

keywords = self.all_keywords

347

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

348

349

class TableOfClients(object):

350

tableheaders = {

351

"Name": "Name",

352

"Enabled": "Enabled",

353

"Timeout": "Timeout",

354

"LastCheckedOK": "Last Successful Check",

355

"LastApprovalRequest": "Last Approval Request",

356

"Created": "Created",

357

"Interval": "Interval",

358

"Host": "Host",

359

"Fingerprint": "Fingerprint",

360

"KeyID": "Key ID",

361

"CheckerRunning": "Check Is Running",

362

"LastEnabled": "Last Enabled",

363

"ApprovalPending": "Approval Is Pending",

364

"ApprovedByDefault": "Approved By Default",

365

"ApprovalDelay": "Approval Delay",

366

"ApprovalDuration": "Approval Duration",

367

"Checker": "Checker",

368

"ExtendedTimeout": "Extended Timeout",

369

"Expires": "Expires",

370

"LastCheckerStatus": "Last Checker Status",

371

}

372

373

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

374

self.clients = clients

375

self.keywords = keywords

376

if tableheaders is not None:

377

self.tableheaders = tableheaders

378

379

def __str__(self):

380

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

381

382

if sys.version_info.major == 2:

383

__unicode__ = __str__

384

def __str__(self):

385

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

386

387

def rows(self):

388

format_string = self.row_formatting_string()

389

rows = [self.header_line(format_string)]

390

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

391

for client in self.clients)

392

return rows

393

394

def row_formatting_string(self):

395

"Format string used to format table rows"

396

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

397

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

398

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

399

for client in self.clients)),

400

key=key)

401

for key in self.keywords)

402

403

def string_from_client(self, client, key):

404

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

405

406

@staticmethod

407

def valuetostring(value, keyword):

408

if isinstance(value, dbus.Boolean):

409

return "Yes" if value else "No"

410

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

411

"ApprovalDuration", "ExtendedTimeout"):

412

return milliseconds_to_string(value)

413

return str(value)

414

415

def header_line(self, format_string):

416

return format_string.format(**self.tableheaders)

417

418

def client_line(self, client, format_string):

419

return format_string.format(

420

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

421

for key in self.keywords})

422

423

424

425

class DumpJSONCmd(PrintCmd):

426

def output(self, clients):

427

data = {client["Name"]:

428

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

429

for key in self.all_keywords}

430

for client in clients.values()}

431

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

432

@staticmethod

433

def dbus_boolean_to_bool(value):

434

if isinstance(value, dbus.Boolean):

435

value = bool(value)

436

return value

437

438

class IsEnabledCmd(Command):

439

def run(self, clients, bus=None, mandos=None):

440

client, properties = next(iter(clients.items()))

441

if self.is_enabled(client, properties):

442

sys.exit(0)

443

sys.exit(1)

444

def is_enabled(self, client, properties):

445

return properties["Enabled"]

446

447

class RemoveCmd(Command):

448

def run_on_one_client(self, client, properties):

449

log.debug("D-Bus: %s:%s:%s.RemoveClient(%r)", busname,

450

server_path, server_interface,

451

str(client.__dbus_object_path__))

452

self.mandos.RemoveClient(client.__dbus_object_path__)

453

454

class ApproveCmd(Command):

455

def run_on_one_client(self, client, properties):

456

log.debug("D-Bus: %s:%s:%s.Approve(True)", busname,

457

client.__dbus_object_path__, client_interface)

458

client.Approve(dbus.Boolean(True),

459

dbus_interface=client_interface)

460

461

class DenyCmd(Command):

462

def run_on_one_client(self, client, properties):

463

log.debug("D-Bus: %s:%s:%s.Approve(False)", busname,

464

client.__dbus_object_path__, client_interface)

465

client.Approve(dbus.Boolean(False),

466

dbus_interface=client_interface)

467

468

class EnableCmd(PropertyCmd):

469

propname = "Enabled"

470

value_to_set = dbus.Boolean(True)

471

472

class DisableCmd(PropertyCmd):

473

propname = "Enabled"

474

value_to_set = dbus.Boolean(False)

475

476

class BumpTimeoutCmd(PropertyCmd):

477

propname = "LastCheckedOK"

478

value_to_set = ""

479

480

class StartCheckerCmd(PropertyCmd):

481

propname = "CheckerRunning"

482

value_to_set = dbus.Boolean(True)

483

484

class StopCheckerCmd(PropertyCmd):

485

propname = "CheckerRunning"

486

value_to_set = dbus.Boolean(False)

487

488

class ApproveByDefaultCmd(PropertyCmd):

489

propname = "ApprovedByDefault"

490

value_to_set = dbus.Boolean(True)

491

492

class DenyByDefaultCmd(PropertyCmd):

493

propname = "ApprovedByDefault"

494

value_to_set = dbus.Boolean(False)

495

496

class SetCheckerCmd(PropertyValueCmd):

497

propname = "Checker"

498

499

class SetHostCmd(PropertyValueCmd):

500

propname = "Host"

501

502

class SetSecretCmd(PropertyValueCmd):

503

propname = "Secret"

504

@property

505

def value_to_set(self):

506

return self._vts

507

@value_to_set.setter

508

def value_to_set(self, value):

509

"""When setting, read data from supplied file object"""

510

self._vts = value.read()

511

value.close()

512

513

class SetTimeoutCmd(MillisecondsPropertyValueArgumentCmd):

514

propname = "Timeout"

515

516

class SetExtendedTimeoutCmd(MillisecondsPropertyValueArgumentCmd):

517

propname = "ExtendedTimeout"

518

519

class SetIntervalCmd(MillisecondsPropertyValueArgumentCmd):

520

propname = "Interval"

521

522

class SetApprovalDelayCmd(MillisecondsPropertyValueArgumentCmd):

523

propname = "ApprovalDelay"

524

525

class SetApprovalDurationCmd(MillisecondsPropertyValueArgumentCmd):

526

propname = "ApprovalDuration"

527

528

def add_command_line_options(parser):

96

timevalue = datetime.timedelta(0)

97

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

98

99

for s in regexp.findall(interval):

100

try:

101

suffix = unicode(s[-1])

102

value = int(s[:-1])

103

if suffix == "d":

104

delta = datetime.timedelta(value)

105

elif suffix == "s":

106

delta = datetime.timedelta(0, value)

107

elif suffix == "m":

108

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

109

elif suffix == "h":

110

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

111

elif suffix == "w":

112

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

113

else:

114

raise ValueError

115

except (ValueError, IndexError):

116

raise ValueError

117

timevalue += delta

118

return timevalue

119

120

def print_clients(clients, keywords):

121

def valuetostring(value, keyword):

122

if type(value) is dbus.Boolean:

123

return "Yes" if value else "No"

124

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

125

"ApprovalDuration"):

126

return milliseconds_to_string(value)

127

return unicode(value)

128

129

# Create format string to print table rows

130

format_string = " ".join("%%-%ds" %

131

max(len(tablewords[key]),

132

max(len(valuetostring(client[key],

133

key))

134

for client in

135

clients))

136

for key in keywords)

137

# Print header line

138

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

139

for client in clients:

140

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

141

for key in keywords))

142

143

def has_actions(options):

144

return any((options.enable,

145

options.disable,

146

options.bump_timeout,

147

options.start_checker,

148

options.stop_checker,

149

options.is_enabled,

150

options.remove,

151

options.checker is not None,

152

options.timeout is not None,

153

options.extended_timeout is not None,

154

options.interval is not None,

155

options.approved_by_default is not None,

156

options.approval_delay is not None,

157

options.approval_duration is not None,

158

options.host is not None,

159

options.secret is not None,

160

options.approve,

161

options.deny))

162

163

def main():

164

parser = argparse.ArgumentParser()

529

165

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

530

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

166

version = "%%prog %s" % version,

531

167

help="show version number and exit")

532

168

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

533

169

help="Select all clients")

534

170

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

535

171

help="Print all fields")

536

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

537

help="Dump client data in JSON format")

538

enable_disable = parser.add_mutually_exclusive_group()

539

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

540

help="Enable client")

541

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

542

action="store_true",

543

help="disable client")

172

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

173

help="Enable client")

174

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

175

help="disable client")

544

176

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

545

177

help="Bump timeout for client")

546

start_stop_checker = parser.add_mutually_exclusive_group()

547

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

548

action="store_true",

549

help="Start checker for client")

550

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

551

action="store_true",

552

help="Stop checker for client")

178

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

179

help="Start checker for client")

180

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

181

help="Stop checker for client")

553

182

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

554

183

help="Check if client is enabled")

555

184

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

556

185

help="Remove client")

557

186

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

558

187

help="Set checker command for client")

559

parser.add_argument("-t", "--timeout", type=string_to_delta,

188

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

560

189

help="Set timeout for client")

561

parser.add_argument("--extended-timeout", type=string_to_delta,

190

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

562

191

help="Set extended timeout for client")

563

parser.add_argument("-i", "--interval", type=string_to_delta,

192

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

564

193

help="Set checker interval for client")

565

approve_deny_default = parser.add_mutually_exclusive_group()

566

approve_deny_default.add_argument(

567

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

568

default=None, dest="approved_by_default",

569

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

570

approve_deny_default.add_argument(

571

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

572

dest="approved_by_default",

573

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

574

parser.add_argument("--approval-delay", type=string_to_delta,

194

parser.add_argument("--approve-by-default", action="store_true",

195

default=None, dest="approved_by_default",

196

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

197

parser.add_argument("--deny-by-default", action="store_false",

198

dest="approved_by_default",

199

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

200

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

575

201

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

576

parser.add_argument("--approval-duration", type=string_to_delta,

202

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

577

203

help="Set duration of one client approval")

578

204

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

579

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

580

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

205

parser.add_argument("-s", "--secret", type=file,

581

206

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

582

approve_deny = parser.add_mutually_exclusive_group()

583

approve_deny.add_argument(

584

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

585

help="Approve any current client request")

586

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

587

help="Deny any current client request")

588

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

589

help="Debug mode (show D-Bus commands)")

590

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

591

help="Run self-test")

207

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

208

help="Approve any current client request")

209

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

210

help="Deny any current client request")

592

211

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

593

594

595

def commands_from_options(options):

596

597

commands = []

598

599

if options.dump_json:

600

commands.append(DumpJSONCmd())

601

602

if options.enable:

603

commands.append(EnableCmd())

604

605

if options.disable:

606

commands.append(DisableCmd())

607

608

if options.bump_timeout:

609

commands.append(BumpTimeoutCmd())

610

611

if options.start_checker:

612

commands.append(StartCheckerCmd())

613

614

if options.stop_checker:

615

commands.append(StopCheckerCmd())

616

617

if options.is_enabled:

618

commands.append(IsEnabledCmd())

619

620

if options.checker is not None:

621

commands.append(SetCheckerCmd(options.checker))

622

623

if options.timeout is not None:

624

commands.append(SetTimeoutCmd(options.timeout))

625

626

if options.extended_timeout:

627

commands.append(

628

SetExtendedTimeoutCmd(options.extended_timeout))

629

630

if options.interval is not None:

631

commands.append(SetIntervalCmd(options.interval))

632

633

if options.approved_by_default is not None:

634

if options.approved_by_default:

635

commands.append(ApproveByDefaultCmd())

636

else:

637

commands.append(DenyByDefaultCmd())

638

639

if options.approval_delay is not None:

640

commands.append(SetApprovalDelayCmd(options.approval_delay))

641

642

if options.approval_duration is not None:

643

commands.append(

644

SetApprovalDurationCmd(options.approval_duration))

645

646

if options.host is not None:

647

commands.append(SetHostCmd(options.host))

648

649

if options.secret is not None:

650

commands.append(SetSecretCmd(options.secret))

651

652

if options.approve:

653

commands.append(ApproveCmd())

654

655

if options.deny:

656

commands.append(DenyCmd())

657

658

if options.remove:

659

commands.append(RemoveCmd())

660

661

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

662

# optionally verbosely

663

if not commands:

664

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

665

666

return commands

667

668

669

def check_option_syntax(parser, options):

670

"""Apply additional restrictions on options, not expressible in

671

argparse"""

672

673

def has_actions(options):

674

return any((options.enable,

675

options.disable,

676

options.bump_timeout,

677

options.start_checker,

678

options.stop_checker,

679

options.is_enabled,

680

options.remove,

681

options.checker is not None,

682

options.timeout is not None,

683

options.extended_timeout is not None,

684

options.interval is not None,

685

options.approved_by_default is not None,

686

options.approval_delay is not None,

687

options.approval_duration is not None,

688

options.host is not None,

689

options.secret is not None,

690

options.approve,

691

options.deny))

692

693

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

212

options = parser.parse_args()

213

214

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

694

215

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

695

216

if options.verbose and has_actions(options):

696

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

697

if options.dump_json and (options.verbose

698

or has_actions(options)):

699

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

217

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

218

" --all.")

700

219

if options.all and not has_actions(options):

701

220

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

702

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

703

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

704

if options.remove:

705

options.remove = False

706

if has_actions(options) and not options.deny:

707

parser.error("--remove can only be combined with --deny")

708

options.remove = True

709

710

711

def main():

712

parser = argparse.ArgumentParser()

713

714

add_command_line_options(parser)

715

716

options = parser.parse_args()

717

718

check_option_syntax(parser, options)

719

720

clientnames = options.client

721

722

if options.debug:

723

log.setLevel(logging.DEBUG)

724

221

725

222

try:

726

223

bus = dbus.SystemBus()

727

log.debug("D-Bus: Connect to: (busname=%r, path=%r)", busname,

728

server_path)

729

224

mandos_dbus_objc = bus.get_object(busname, server_path)

730

225

except dbus.exceptions.DBusException:

731

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

226

print("Could not connect to Mandos server",

227

file=sys.stderr)

732

228

sys.exit(1)

733

229

734

230

mandos_serv = dbus.Interface(mandos_dbus_objc,

735

dbus_interface=server_interface)

736

mandos_serv_object_manager = dbus.Interface(

737

mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)

738

739

# Filter out log message from dbus module

740

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

741

class NullFilter(logging.Filter):

742

def filter(self, record):

743

return False

744

dbus_filter = NullFilter()

231

dbus_interface = server_interface)

232

233

#block stderr since dbus library prints to stderr

234

null = os.open(os.path.devnull, os.O_RDWR)

235

stderrcopy = os.dup(sys.stderr.fileno())

236

os.dup2(null, sys.stderr.fileno())

237

os.close(null)

745

238

try:

746

dbus_logger.addFilter(dbus_filter)

747

log.debug("D-Bus: %s:%s:%s.GetManagedObjects()", busname,

748

server_path, dbus.OBJECT_MANAGER_IFACE)

749

mandos_clients = {path: ifs_and_props[client_interface]

750

for path, ifs_and_props in

751

mandos_serv_object_manager

752

.GetManagedObjects().items()

753

if client_interface in ifs_and_props}

754

except dbus.exceptions.DBusException as e:

755

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

756

"\n%s", e)

239

try:

240

mandos_clients = mandos_serv.GetAllClientsWithProperties()

241

finally:

242

#restore stderr

243

os.dup2(stderrcopy, sys.stderr.fileno())

244

os.close(stderrcopy)

245

except dbus.exceptions.DBusException, e:

246

print("Access denied: Accessing mandos server through dbus.",

247

file=sys.stderr)

757

248

sys.exit(1)

758

finally:

759

# restore dbus logger

760

dbus_logger.removeFilter(dbus_filter)

761

249

762

250

# Compile dict of (clients: properties) to process

763

clients = {}

764

765

if not clientnames:

766

clients = {objpath: properties

767

for objpath, properties in mandos_clients.items()}

251

clients={}

252

253

if options.all or not options.client:

254

clients = dict((bus.get_object(busname, path), properties)

255

for path, properties in

256

mandos_clients.iteritems())

768

257

else:

769

for name in clientnames:

770

for objpath, properties in mandos_clients.items():

771

if properties["Name"] == name:

772

clients[objpath] = properties

258

for name in options.client:

259

for path, client in mandos_clients.iteritems():

260

if client["Name"] == name:

261

client_objc = bus.get_object(busname, path)

262

clients[client_objc] = client

773

263

break

774

264

else:

775

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

265

print("Client not found on server: %r" % name,

266

file=sys.stderr)

776

267

sys.exit(1)

777

778

# Run all commands on clients

779

commands = commands_from_options(options)

780

for command in commands:

781

command.run(clients, bus, mandos_serv)

782

783

784

class Test_milliseconds_to_string(unittest.TestCase):

785

def test_all(self):

786

self.assertEqual(milliseconds_to_string(93785000),

787

"1T02:03:05")

788

def test_no_days(self):

789

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

790

def test_all_zero(self):

791

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

792

def test_no_fractional_seconds(self):

793

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

794

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

795

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

796

797

class Test_string_to_delta(unittest.TestCase):

798

def test_handles_basic_rfc3339(self):

799

self.assertEqual(string_to_delta("PT0S"),

800

datetime.timedelta())

801

self.assertEqual(string_to_delta("P0D"),

802

datetime.timedelta())

803

self.assertEqual(string_to_delta("PT1S"),

804

datetime.timedelta(0, 1))

805

self.assertEqual(string_to_delta("PT2H"),

806

datetime.timedelta(0, 7200))

807

def test_falls_back_to_pre_1_6_1_with_warning(self):

808

# assertLogs only exists in Python 3.4

809

if hasattr(self, "assertLogs"):

810

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

811

value = string_to_delta("2h")

812

else:

813

class WarningFilter(logging.Filter):

814

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

815

def filter(self, record):

816

is_warning = record.levelno >= logging.WARNING

817

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

818

False)

819

return not is_warning

820

warning_filter = WarningFilter()

821

log.addFilter(warning_filter)

822

try:

823

value = string_to_delta("2h")

824

finally:

825

log.removeFilter(warning_filter)

826

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

827

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

828

829

830

class TestCmd(unittest.TestCase):

831

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

832

def setUp(self):

833

testcase = self

834

class MockClient(object):

835

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

836

self.__dbus_object_path__ = "/clients/{}".format(name)

837

self.attributes = attributes

838

self.attributes["Name"] = name

839

self.calls = []

840

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

841

testcase.assertEqual(interface, client_interface)

842

testcase.assertEqual(dbus_interface,

843

dbus.PROPERTIES_IFACE)

844

self.attributes[propname] = value

845

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

846

testcase.assertEqual(interface, client_interface)

847

testcase.assertEqual(dbus_interface,

848

dbus.PROPERTIES_IFACE)

849

return self.attributes[propname]

850

def Approve(self, approve, dbus_interface):

851

testcase.assertEqual(dbus_interface, client_interface)

852

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

853

dbus_interface)))

854

self.client = MockClient(

855

"foo",

856

KeyID=("92ed150794387c03ce684574b1139a65"

857

"94a34f895daaaf09fd8ea90a27cddb12"),

858

Secret=b"secret",

859

Host="foo.example.org",

860

Enabled=dbus.Boolean(True),

861

Timeout=300000,

862

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

863

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

864

Interval=120000,

865

Fingerprint=("778827225BA7DE539C5A"

866

"7CFA59CFF7CDBD9A5920"),

867

CheckerRunning=dbus.Boolean(False),

868

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

869

ApprovalPending=dbus.Boolean(False),

870

ApprovedByDefault=dbus.Boolean(True),

871

LastApprovalRequest="",

872

ApprovalDelay=0,

873

ApprovalDuration=1000,

874

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

875

ExtendedTimeout=900000,

876

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

877

LastCheckerStatus=0)

878

self.other_client = MockClient(

879

"barbar",

880

KeyID=("0558568eedd67d622f5c83b35a115f79"

881

"6ab612cff5ad227247e46c2b020f441c"),

882

Secret=b"secretbar",

883

Host="192.0.2.3",

884

Enabled=dbus.Boolean(True),

885

Timeout=300000,

886

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

887

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

888

Interval=120000,

889

Fingerprint=("3E393AEAEFB84C7E89E2"

890

"F547B3A107558FCA3A27"),

891

CheckerRunning=dbus.Boolean(True),

892

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

893

ApprovalPending=dbus.Boolean(False),

894

ApprovedByDefault=dbus.Boolean(False),

895

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

896

ApprovalDelay=30000,

897

ApprovalDuration=1000,

898

Checker=":",

899

ExtendedTimeout=900000,

900

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

901

LastCheckerStatus=-2)

902

self.clients = collections.OrderedDict(

903

[

904

("/clients/foo", self.client.attributes),

905

("/clients/barbar", self.other_client.attributes),

906

])

907

self.one_client = {"/clients/foo": self.client.attributes}

908

@property

909

def bus(self):

910

class Bus(object):

911

@staticmethod

912

def get_object(client_bus_name, path):

913

self.assertEqual(client_bus_name, busname)

914

return {

915

"/clients/foo": self.client,

916

"/clients/barbar": self.other_client,

917

}[path]

918

return Bus()

919

920

class TestPrintTableCmd(TestCmd):

921

def test_normal(self):

922

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

923

expected_output = """

924

Name Enabled Timeout Last Successful Check

925

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

926

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

927

"""[1:-1]

928

self.assertEqual(output, expected_output)

929

def test_verbose(self):

930

output = PrintTableCmd(verbose=True).output(

931

self.clients.values())

932

expected_output = """

933

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

934

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

935

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

936

"""[1:-1]

937

self.assertEqual(output, expected_output)

938

def test_one_client(self):

939

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

940

expected_output = """

941

Name Enabled Timeout Last Successful Check

942

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

943

"""[1:-1]

944

self.assertEqual(output, expected_output)

945

946

class TestDumpJSONCmd(TestCmd):

947

def setUp(self):

948

self.expected_json = {

949

"foo": {

950

"Name": "foo",

951

"KeyID": ("92ed150794387c03ce684574b1139a65"

952

"94a34f895daaaf09fd8ea90a27cddb12"),

953

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

954

"Enabled": True,

955

"Timeout": 300000,

956

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

957

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

958

"Interval": 120000,

959

"Fingerprint": ("778827225BA7DE539C5A"

960

"7CFA59CFF7CDBD9A5920"),

961

"CheckerRunning": False,

962

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

963

"ApprovalPending": False,

964

"ApprovedByDefault": True,

965

"LastApprovalRequest": "",

966

"ApprovalDelay": 0,

967

"ApprovalDuration": 1000,

968

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

969

"ExtendedTimeout": 900000,

970

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

971

"LastCheckerStatus": 0,

972

},

973

"barbar": {

974

"Name": "barbar",

975

"KeyID": ("0558568eedd67d622f5c83b35a115f79"

976

"6ab612cff5ad227247e46c2b020f441c"),

977

"Host": "192.0.2.3",

978

"Enabled": True,

979

"Timeout": 300000,

980

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

981

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

982

"Interval": 120000,

983

"Fingerprint": ("3E393AEAEFB84C7E89E2"

984

"F547B3A107558FCA3A27"),

985

"CheckerRunning": True,

986

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

987

"ApprovalPending": False,

988

"ApprovedByDefault": False,

989

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

990

"ApprovalDelay": 30000,

991

"ApprovalDuration": 1000,

992

"Checker": ":",

993

"ExtendedTimeout": 900000,

994

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

995

"LastCheckerStatus": -2,

996

},

997

}

998

return super(TestDumpJSONCmd, self).setUp()

999

def test_normal(self):

1000

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

1001

self.assertDictEqual(json_data, self.expected_json)

1002

def test_one_client(self):

1003

clients = self.one_client

1004

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

1005

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

1006

self.assertDictEqual(json_data, expected_json)

1007

1008

class TestIsEnabledCmd(TestCmd):

1009

def test_is_enabled(self):

1010

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

1011

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

1012

def test_is_enabled_run_exits_successfully(self):

1013

with self.assertRaises(SystemExit) as e:

1014

IsEnabledCmd().run(self.one_client)

1015

if e.exception.code is not None:

1016

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

1017

else:

1018

self.assertIsNone(e.exception.code)

1019

def test_is_enabled_run_exits_with_failure(self):

1020

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

1021

with self.assertRaises(SystemExit) as e:

1022

IsEnabledCmd().run(self.one_client)

1023

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

1024

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

1025

else:

1026

self.assertIsNotNone(e.exception.code)

1027

1028

class TestRemoveCmd(TestCmd):

1029

def test_remove(self):

1030

class MockMandos(object):

1031

def __init__(self):

1032

self.calls = []

1033

def RemoveClient(self, dbus_path):

1034

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

1035

mandos = MockMandos()

1036

super(TestRemoveCmd, self).setUp()

1037

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

1038

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

1039

for clientpath in self.clients:

1040

self.assertIn(("RemoveClient", (clientpath,)),

1041

mandos.calls)

1042

1043

class TestApproveCmd(TestCmd):

1044

def test_approve(self):

1045

ApproveCmd().run(self.clients, self.bus)

1046

for clientpath in self.clients:

1047

client = self.bus.get_object(busname, clientpath)

1048

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

1049

client.calls)

1050

1051

class TestDenyCmd(TestCmd):

1052

def test_deny(self):

1053

DenyCmd().run(self.clients, self.bus)

1054

for clientpath in self.clients:

1055

client = self.bus.get_object(busname, clientpath)

1056

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

1057

client.calls)

1058

1059

class TestEnableCmd(TestCmd):

1060

def test_enable(self):

1061

for clientpath in self.clients:

1062

client = self.bus.get_object(busname, clientpath)

1063

client.attributes["Enabled"] = False

1064

1065

EnableCmd().run(self.clients, self.bus)

1066

1067

for clientpath in self.clients:

1068

client = self.bus.get_object(busname, clientpath)

1069

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

1070

1071

class TestDisableCmd(TestCmd):

1072

def test_disable(self):

1073

DisableCmd().run(self.clients, self.bus)

1074

for clientpath in self.clients:

1075

client = self.bus.get_object(busname, clientpath)

1076

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

1077

1078

class Unique(object):

1079

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

1080

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

1081

1082

class TestPropertyCmd(TestCmd):

1083

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

1084

def runTest(self):

1085

if not hasattr(self, "command"):

1086

return

1087

values_to_get = getattr(self, "values_to_get",

1088

self.values_to_set)

1089

for value_to_set, value_to_get in zip(self.values_to_set,

1090

values_to_get):

1091

for clientpath in self.clients:

1092

client = self.bus.get_object(busname, clientpath)

1093

old_value = client.attributes[self.propname]

1094

self.assertNotIsInstance(old_value, Unique)

1095

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

1096

self.run_command(value_to_set, self.clients)

1097

for clientpath in self.clients:

1098

client = self.bus.get_object(busname, clientpath)

1099

value = client.attributes[self.propname]

1100

self.assertNotIsInstance(value, Unique)

1101

self.assertEqual(value, value_to_get)

1102

def run_command(self, value, clients):

1103

self.command().run(clients, self.bus)

1104

1105

class TestBumpTimeoutCmd(TestPropertyCmd):

1106

command = BumpTimeoutCmd

1107

propname = "LastCheckedOK"

1108

values_to_set = [""]

1109

1110

class TestStartCheckerCmd(TestPropertyCmd):

1111

command = StartCheckerCmd

1112

propname = "CheckerRunning"

1113

values_to_set = [dbus.Boolean(True)]

1114

1115

class TestStopCheckerCmd(TestPropertyCmd):

1116

command = StopCheckerCmd

1117

propname = "CheckerRunning"

1118

values_to_set = [dbus.Boolean(False)]

1119

1120

class TestApproveByDefaultCmd(TestPropertyCmd):

1121

command = ApproveByDefaultCmd

1122

propname = "ApprovedByDefault"

1123

values_to_set = [dbus.Boolean(True)]

1124

1125

class TestDenyByDefaultCmd(TestPropertyCmd):

1126

command = DenyByDefaultCmd

1127

propname = "ApprovedByDefault"

1128

values_to_set = [dbus.Boolean(False)]

1129

1130

class TestPropertyValueCmd(TestPropertyCmd):

1131

"""Abstract class for tests of PropertyValueCmd classes"""

1132

def runTest(self):

1133

if type(self) is TestPropertyValueCmd:

1134

return

1135

return super(TestPropertyValueCmd, self).runTest()

1136

def run_command(self, value, clients):

1137

self.command(value).run(clients, self.bus)

1138

1139

class TestSetCheckerCmd(TestPropertyValueCmd):

1140

command = SetCheckerCmd

1141

propname = "Checker"

1142

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

1143

1144

class TestSetHostCmd(TestPropertyValueCmd):

1145

command = SetHostCmd

1146

propname = "Host"

1147

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

1148

1149

class TestSetSecretCmd(TestPropertyValueCmd):

1150

command = SetSecretCmd

1151

propname = "Secret"

1152

values_to_set = [io.BytesIO(b""),

1153

io.BytesIO(b"secret\0xyzzy\nbar")]

1154

values_to_get = [b"", b"secret\0xyzzy\nbar"]

1155

1156

class TestSetTimeoutCmd(TestPropertyValueCmd):

1157

command = SetTimeoutCmd

1158

propname = "Timeout"

1159

values_to_set = [datetime.timedelta(),

1160

datetime.timedelta(minutes=5),

1161

datetime.timedelta(seconds=1),

1162

datetime.timedelta(weeks=1),

1163

datetime.timedelta(weeks=52)]

1164

values_to_get = [0, 300000, 1000, 604800000, 31449600000]

1165

1166

class TestSetExtendedTimeoutCmd(TestPropertyValueCmd):

1167

command = SetExtendedTimeoutCmd

1168

propname = "ExtendedTimeout"

1169

values_to_set = [datetime.timedelta(),

1170

datetime.timedelta(minutes=5),

1171

datetime.timedelta(seconds=1),

1172

datetime.timedelta(weeks=1),

1173

datetime.timedelta(weeks=52)]

1174

values_to_get = [0, 300000, 1000, 604800000, 31449600000]

1175

1176

class TestSetIntervalCmd(TestPropertyValueCmd):

1177

command = SetIntervalCmd

1178

propname = "Interval"

1179

values_to_set = [datetime.timedelta(),

1180

datetime.timedelta(minutes=5),

1181

datetime.timedelta(seconds=1),

1182

datetime.timedelta(weeks=1),

1183

datetime.timedelta(weeks=52)]

1184

values_to_get = [0, 300000, 1000, 604800000, 31449600000]

1185

1186

class TestSetApprovalDelayCmd(TestPropertyValueCmd):

1187

command = SetApprovalDelayCmd

1188

propname = "ApprovalDelay"

1189

values_to_set = [datetime.timedelta(),

1190

datetime.timedelta(minutes=5),

1191

datetime.timedelta(seconds=1),

1192

datetime.timedelta(weeks=1),

1193

datetime.timedelta(weeks=52)]

1194

values_to_get = [0, 300000, 1000, 604800000, 31449600000]

1195

1196

class TestSetApprovalDurationCmd(TestPropertyValueCmd):

1197

command = SetApprovalDurationCmd

1198

propname = "ApprovalDuration"

1199

values_to_set = [datetime.timedelta(),

1200

datetime.timedelta(minutes=5),

1201

datetime.timedelta(seconds=1),

1202

datetime.timedelta(weeks=1),

1203

datetime.timedelta(weeks=52)]

1204

values_to_get = [0, 300000, 1000, 604800000, 31449600000]

1205

1206

class Test_command_from_options(unittest.TestCase):

1207

def setUp(self):

1208

self.parser = argparse.ArgumentParser()

1209

add_command_line_options(self.parser)

1210

def assert_command_from_args(self, args, command_cls, **cmd_attrs):

1211

"""Assert that parsing ARGS should result in an instance of

1212

COMMAND_CLS with (optionally) all supplied attributes (CMD_ATTRS)."""

1213

options = self.parser.parse_args(args)

1214

check_option_syntax(self.parser, options)

1215

commands = commands_from_options(options)

1216

self.assertEqual(len(commands), 1)

1217

command = commands[0]

1218

self.assertIsInstance(command, command_cls)

1219

for key, value in cmd_attrs.items():

1220

self.assertEqual(getattr(command, key), value)

1221

def test_print_table(self):

1222

self.assert_command_from_args([], PrintTableCmd,

1223

verbose=False)

1224

1225

def test_print_table_verbose(self):

1226

self.assert_command_from_args(["--verbose"], PrintTableCmd,

1227

verbose=True)

1228

1229

def test_print_table_verbose_short(self):

1230

self.assert_command_from_args(["-v"], PrintTableCmd,

1231

verbose=True)

1232

1233

def test_enable(self):

1234

self.assert_command_from_args(["--enable", "foo"], EnableCmd)

1235

1236

def test_enable_short(self):

1237

self.assert_command_from_args(["-e", "foo"], EnableCmd)

1238

1239

def test_disable(self):

1240

self.assert_command_from_args(["--disable", "foo"],

1241

DisableCmd)

1242

1243

def test_disable_short(self):

1244

self.assert_command_from_args(["-d", "foo"], DisableCmd)

1245

1246

def test_bump_timeout(self):

1247

self.assert_command_from_args(["--bump-timeout", "foo"],

1248

BumpTimeoutCmd)

1249

1250

def test_bump_timeout_short(self):

1251

self.assert_command_from_args(["-b", "foo"], BumpTimeoutCmd)

1252

1253

def test_start_checker(self):

1254

self.assert_command_from_args(["--start-checker", "foo"],

1255

StartCheckerCmd)

1256

1257

def test_stop_checker(self):

1258

self.assert_command_from_args(["--stop-checker", "foo"],

1259

StopCheckerCmd)

1260

1261

def test_remove(self):

1262

self.assert_command_from_args(["--remove", "foo"],

1263

RemoveCmd)

1264

1265

def test_remove_short(self):

1266

self.assert_command_from_args(["-r", "foo"], RemoveCmd)

1267

1268

def test_checker(self):

1269

self.assert_command_from_args(["--checker", ":", "foo"],

1270

SetCheckerCmd, value_to_set=":")

1271

1272

def test_checker_empty(self):

1273

self.assert_command_from_args(["--checker", "", "foo"],

1274

SetCheckerCmd, value_to_set="")

1275

1276

def test_checker_short(self):

1277

self.assert_command_from_args(["-c", ":", "foo"],

1278

SetCheckerCmd, value_to_set=":")

1279

1280

def test_timeout(self):

1281

self.assert_command_from_args(["--timeout", "PT5M", "foo"],

1282

SetTimeoutCmd,

1283

value_to_set=300000)

1284

1285

def test_timeout_short(self):

1286

self.assert_command_from_args(["-t", "PT5M", "foo"],

1287

SetTimeoutCmd,

1288

value_to_set=300000)

1289

1290

def test_extended_timeout(self):

1291

self.assert_command_from_args(["--extended-timeout", "PT15M",

1292

"foo"],

1293

SetExtendedTimeoutCmd,

1294

value_to_set=900000)

1295

1296

def test_interval(self):

1297

self.assert_command_from_args(["--interval", "PT2M", "foo"],

1298

SetIntervalCmd,

1299

value_to_set=120000)

1300

1301

def test_interval_short(self):

1302

self.assert_command_from_args(["-i", "PT2M", "foo"],

1303

SetIntervalCmd,

1304

value_to_set=120000)

1305

1306

def test_approve_by_default(self):

1307

self.assert_command_from_args(["--approve-by-default", "foo"],

1308

ApproveByDefaultCmd)

1309

1310

def test_deny_by_default(self):

1311

self.assert_command_from_args(["--deny-by-default", "foo"],

1312

DenyByDefaultCmd)

1313

1314

def test_approval_delay(self):

1315

self.assert_command_from_args(["--approval-delay", "PT30S",

1316

"foo"], SetApprovalDelayCmd,

1317

value_to_set=30000)

1318

1319

def test_approval_duration(self):

1320

self.assert_command_from_args(["--approval-duration", "PT1S",

1321

"foo"], SetApprovalDurationCmd,

1322

value_to_set=1000)

1323

1324

def test_host(self):

1325

self.assert_command_from_args(["--host", "foo.example.org",

1326

"foo"], SetHostCmd,

1327

value_to_set="foo.example.org")

1328

1329

def test_host_short(self):

1330

self.assert_command_from_args(["-H", "foo.example.org",

1331

"foo"], SetHostCmd,

1332

value_to_set="foo.example.org")

1333

1334

def test_secret_devnull(self):

1335

self.assert_command_from_args(["--secret", os.path.devnull,

1336

"foo"], SetSecretCmd,

1337

value_to_set=b"")

1338

1339

def test_secret_tempfile(self):

1340

with tempfile.NamedTemporaryFile(mode="r+b") as f:

1341

value = b"secret\0xyzzy\nbar"

1342

f.write(value)

1343

f.seek(0)

1344

self.assert_command_from_args(["--secret", f.name,

1345

"foo"], SetSecretCmd,

1346

value_to_set=value)

1347

1348

def test_secret_devnull_short(self):

1349

self.assert_command_from_args(["-s", os.path.devnull, "foo"],

1350

SetSecretCmd, value_to_set=b"")

1351

1352

def test_secret_tempfile_short(self):

1353

with tempfile.NamedTemporaryFile(mode="r+b") as f:

1354

value = b"secret\0xyzzy\nbar"

1355

f.write(value)

1356

f.seek(0)

1357

self.assert_command_from_args(["-s", f.name, "foo"],

1358

SetSecretCmd,

1359

value_to_set=value)

1360

1361

def test_approve(self):

1362

self.assert_command_from_args(["--approve", "foo"],

1363

ApproveCmd)

1364

1365

def test_approve_short(self):

1366

self.assert_command_from_args(["-A", "foo"], ApproveCmd)

1367

1368

def test_deny(self):

1369

self.assert_command_from_args(["--deny", "foo"], DenyCmd)

1370

1371

def test_deny_short(self):

1372

self.assert_command_from_args(["-D", "foo"], DenyCmd)

1373

1374

def test_dump_json(self):

1375

self.assert_command_from_args(["--dump-json"], DumpJSONCmd)

1376

1377

def test_is_enabled(self):

1378

self.assert_command_from_args(["--is-enabled", "foo"],

1379

IsEnabledCmd)

1380

1381

def test_is_enabled_short(self):

1382

self.assert_command_from_args(["-V", "foo"], IsEnabledCmd)

1383

1384

def test_deny_before_remove(self):

1385

options = self.parser.parse_args(["--deny", "--remove", "foo"])

1386

check_option_syntax(self.parser, options)

1387

commands = commands_from_options(options)

1388

self.assertEqual(len(commands), 2)

1389

self.assertIsInstance(commands[0], DenyCmd)

1390

self.assertIsInstance(commands[1], RemoveCmd)

1391

1392

def test_deny_before_remove_reversed(self):

1393

options = self.parser.parse_args(["--remove", "--deny", "--all"])

1394

check_option_syntax(self.parser, options)

1395

commands = commands_from_options(options)

1396

self.assertEqual(len(commands), 2)

1397

self.assertIsInstance(commands[0], DenyCmd)

1398

self.assertIsInstance(commands[1], RemoveCmd)

1399

1400

1401

class Test_check_option_syntax(unittest.TestCase):

1402

# This mostly corresponds to the definition from has_actions() in

1403

# check_option_syntax()

1404

actions = {

1405

# The actual values set here are not that important, but we do

1406

# at least stick to the correct types, even though they are

1407

# never used

1408

"enable": True,

1409

"disable": True,

1410

"bump_timeout": True,

1411

"start_checker": True,

1412

"stop_checker": True,

1413

"is_enabled": True,

1414

"remove": True,

1415

"checker": "x",

1416

"timeout": datetime.timedelta(),

1417

"extended_timeout": datetime.timedelta(),

1418

"interval": datetime.timedelta(),

1419

"approved_by_default": True,

1420

"approval_delay": datetime.timedelta(),

1421

"approval_duration": datetime.timedelta(),

1422

"host": "x",

1423

"secret": io.BytesIO(b"x"),

1424

"approve": True,

1425

"deny": True,

1426

}

1427

1428

def setUp(self):

1429

self.parser = argparse.ArgumentParser()

1430

add_command_line_options(self.parser)

1431

1432

@contextlib.contextmanager

1433

def assertParseError(self):

1434

with self.assertRaises(SystemExit) as e:

1435

with self.temporarily_suppress_stderr():

1436

yield

1437

# Exit code from argparse is guaranteed to be "2". Reference:

1438

# https://docs.python.org/3/library/argparse.html#exiting-methods

1439

self.assertEqual(e.exception.code, 2)

1440

1441

@staticmethod

1442

@contextlib.contextmanager

1443

def temporarily_suppress_stderr():

1444

null = os.open(os.path.devnull, os.O_RDWR)

1445

stderrcopy = os.dup(sys.stderr.fileno())

1446

os.dup2(null, sys.stderr.fileno())

1447

os.close(null)

1448

try:

1449

yield

1450

finally:

1451

# restore stderr

1452

os.dup2(stderrcopy, sys.stderr.fileno())

1453

os.close(stderrcopy)

1454

1455

def check_option_syntax(self, options):

1456

check_option_syntax(self.parser, options)

1457

1458

def test_actions_requires_client_or_all(self):

1459

for action, value in self.actions.items():

1460

options = self.parser.parse_args()

1461

setattr(options, action, value)

1462

with self.assertParseError():

1463

self.check_option_syntax(options)

1464

1465

def test_actions_conflicts_with_verbose(self):

1466

for action, value in self.actions.items():

1467

options = self.parser.parse_args()

1468

setattr(options, action, value)

1469

options.verbose = True

1470

with self.assertParseError():

1471

self.check_option_syntax(options)

1472

1473

def test_dump_json_conflicts_with_verbose(self):

1474

options = self.parser.parse_args()

1475

options.dump_json = True

1476

options.verbose = True

1477

with self.assertParseError():

1478

self.check_option_syntax(options)

1479

1480

def test_dump_json_conflicts_with_action(self):

1481

for action, value in self.actions.items():

1482

options = self.parser.parse_args()

1483

setattr(options, action, value)

1484

options.dump_json = True

1485

with self.assertParseError():

1486

self.check_option_syntax(options)

1487

1488

def test_all_can_not_be_alone(self):

1489

options = self.parser.parse_args()

1490

options.all = True

1491

with self.assertParseError():

1492

self.check_option_syntax(options)

1493

1494

def test_all_is_ok_with_any_action(self):

1495

for action, value in self.actions.items():

1496

options = self.parser.parse_args()

1497

setattr(options, action, value)

1498

options.all = True

1499

self.check_option_syntax(options)

1500

1501

def test_is_enabled_fails_without_client(self):

1502

options = self.parser.parse_args()

1503

options.is_enabled = True

1504

with self.assertParseError():

1505

self.check_option_syntax(options)

1506

1507

def test_is_enabled_works_with_one_client(self):

1508

options = self.parser.parse_args()

1509

options.is_enabled = True

1510

options.client = ["foo"]

1511

self.check_option_syntax(options)

1512

1513

def test_is_enabled_fails_with_two_clients(self):

1514

options = self.parser.parse_args()

1515

options.is_enabled = True

1516

options.client = ["foo", "barbar"]

1517

with self.assertParseError():

1518

self.check_option_syntax(options)

1519

1520

def test_remove_can_only_be_combined_with_action_deny(self):

1521

for action, value in self.actions.items():

1522

if action in {"remove", "deny"}:

1523

continue

1524

options = self.parser.parse_args()

1525

setattr(options, action, value)

1526

options.all = True

1527

options.remove = True

1528

with self.assertParseError():

1529

self.check_option_syntax(options)

1530

1531

1532

1533

def should_only_run_tests():

1534

parser = argparse.ArgumentParser(add_help=False)

1535

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

1536

args, unknown_args = parser.parse_known_args()

1537

run_tests = args.check

1538

if run_tests:

1539

# Remove --check argument from sys.argv

1540

sys.argv[1:] = unknown_args

1541

return run_tests

1542

1543

# Add all tests from doctest strings

1544

def load_tests(loader, tests, none):

1545

import doctest

1546

tests.addTests(doctest.DocTestSuite())

1547

return tests

268

269

if not has_actions(options) and clients:

270

if options.verbose:

271

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

272

"LastCheckedOK", "Created", "Interval",

273

"Host", "Fingerprint", "CheckerRunning",

274

"LastEnabled", "ApprovalPending",

275

"ApprovedByDefault",

276

"LastApprovalRequest", "ApprovalDelay",

277

"ApprovalDuration", "Checker",

278

"ExtendedTimeout")

279

else:

280

keywords = defaultkeywords

281

282

print_clients(clients.values(), keywords)

283

else:

284

# Process each client in the list by all selected options

285

for client in clients:

286

if options.remove:

287

mandos_serv.RemoveClient(client.__dbus_object_path__)

288

if options.enable:

289

client.Enable(dbus_interface=client_interface)

290

if options.disable:

291

client.Disable(dbus_interface=client_interface)

292

if options.bump_timeout:

293

client.CheckedOK(dbus_interface=client_interface)

294

if options.start_checker:

295

client.StartChecker(dbus_interface=client_interface)

296

if options.stop_checker:

297

client.StopChecker(dbus_interface=client_interface)

298

if options.is_enabled:

299

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

300

"Enabled",

301

dbus_interface=

302

dbus.PROPERTIES_IFACE)

303

else 1)

304

if options.checker is not None:

305

client.Set(client_interface, "Checker",

306

options.checker,

307

dbus_interface=dbus.PROPERTIES_IFACE)

308

if options.host is not None:

309

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

310

dbus_interface=dbus.PROPERTIES_IFACE)

311

if options.interval is not None:

312

client.Set(client_interface, "Interval",

313

timedelta_to_milliseconds

314

(string_to_delta(options.interval)),

315

dbus_interface=dbus.PROPERTIES_IFACE)

316

if options.approval_delay is not None:

317

client.Set(client_interface, "ApprovalDelay",

318

timedelta_to_milliseconds

319

(string_to_delta(options.

320

approval_delay)),

321

dbus_interface=dbus.PROPERTIES_IFACE)

322

if options.approval_duration is not None:

323

client.Set(client_interface, "ApprovalDuration",

324

timedelta_to_milliseconds

325

(string_to_delta(options.

326

approval_duration)),

327

dbus_interface=dbus.PROPERTIES_IFACE)

328

if options.timeout is not None:

329

client.Set(client_interface, "Timeout",

330

timedelta_to_milliseconds

331

(string_to_delta(options.timeout)),

332

dbus_interface=dbus.PROPERTIES_IFACE)

333

if options.extended_timeout is not None:

334

client.Set(client_interface, "ExtendedTimeout",

335

timedelta_to_milliseconds

336

(string_to_delta(options.extended_timeout)),

337

dbus_interface=dbus.PROPERTIES_IFACE)

338

if options.secret is not None:

339

client.Set(client_interface, "Secret",

340

dbus.ByteArray(open(options.secret,

341

"rb").read()),

342

dbus_interface=dbus.PROPERTIES_IFACE)

343

if options.approved_by_default is not None:

344

client.Set(client_interface, "ApprovedByDefault",

345

dbus.Boolean(options

346

.approved_by_default),

347

dbus_interface=dbus.PROPERTIES_IFACE)

348

if options.approve:

349

client.Approve(dbus.Boolean(True),

350

dbus_interface=client_interface)

351

elif options.deny:

352

client.Approve(dbus.Boolean(False),

353

dbus_interface=client_interface)

1548

354

1549

355

if __name__ == "__main__":

1550

if should_only_run_tests():

1551

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

1552

unittest.main()

1553

else:

1554

main()

356

main()