2
# -*- 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*")))); -*-
4
# Mandos Monitor - Control and monitor the Mandos server
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# Copyright © 2008-2019 Teddy Hogeborn
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# Copyright © 2008-2019 Björn Påhlsson
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# This file is part of Mandos.
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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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# 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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# 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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# Contact the authors at <mandos@recompile.se>.
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from __future__ import (division, absolute_import, print_function,
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from future_builtins import *
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# Show warnings by default
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if not sys.warnoptions:
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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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locale.setlocale(locale.LC_ALL, "")
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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_interface = domain + ".Mandos"
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client_interface = domain + ".Mandos.Client"
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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 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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>>> 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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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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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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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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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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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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ValueError: Invalid RFC 3339 duration: u'P2W2H'
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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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frozenset((token_hour, token_minute,
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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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# Define starting values:
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value = datetime.timedelta()
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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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# 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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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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# Set valid next tokens
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followers = found_token.followers
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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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def string_to_delta(interval):
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"""Parse a string and return a datetime.timedelta
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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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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, and
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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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>>> parse_pre_1_6_1_interval('60s')
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datetime.timedelta(0, 60)
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>>> parse_pre_1_6_1_interval('60m')
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datetime.timedelta(0, 3600)
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>>> parse_pre_1_6_1_interval('24h')
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datetime.timedelta(1)
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>>> parse_pre_1_6_1_interval('1w')
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datetime.timedelta(7)
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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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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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value += datetime.timedelta(int(num))
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value += datetime.timedelta(0, int(num))
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value += datetime.timedelta(0, 0, 0, 0, int(num))
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value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
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value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
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value += datetime.timedelta(0, 0, 0, int(num))
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def print_clients(clients, keywords):
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print('\n'.join(TableOfClients(clients, keywords).rows()))
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class TableOfClients(object):
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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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"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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"Expires": "Expires",
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"LastCheckerStatus": "Last Checker Status",
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def __init__(self, clients, keywords, tablewords=None):
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self.clients = clients
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self.keywords = keywords
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if tablewords is not None:
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self.tablewords = tablewords
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def valuetostring(value, keyword):
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if isinstance(value, dbus.Boolean):
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return "Yes" if value else "No"
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if keyword in ("Timeout", "Interval", "ApprovalDelay",
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"ApprovalDuration", "ExtendedTimeout"):
311
return milliseconds_to_string(value)
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# Create format string to format table rows
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format_string = " ".join("{{{key}:{width}}}".format(
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width=max(len(self.tablewords[key]),
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max(len(self.valuetostring(client[key], key))
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for client in self.clients)),
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for key in self.keywords)
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# Start with header line
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rows = [format_string.format(**self.tablewords)]
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for client in self.clients:
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rows.append(format_string
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.format(**{key: self.valuetostring(client[key], key)
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for key in self.keywords}))
331
def has_actions(options):
332
return any((options.enable,
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options.bump_timeout,
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options.start_checker,
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options.stop_checker,
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options.checker is not None,
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options.timeout is not None,
341
options.extended_timeout is not None,
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options.interval is not None,
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options.approved_by_default is not None,
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options.approval_delay is not None,
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options.approval_duration is not None,
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options.host is not None,
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options.secret is not None,
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parser = argparse.ArgumentParser()
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parser.add_argument("--version", action="version",
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version="%(prog)s {}".format(version),
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help="show version number and exit")
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parser.add_argument("-a", "--all", action="store_true",
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help="Select all clients")
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parser.add_argument("-v", "--verbose", action="store_true",
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help="Print all fields")
361
parser.add_argument("-j", "--dump-json", action="store_true",
362
help="Dump client data in JSON format")
363
parser.add_argument("-e", "--enable", action="store_true",
364
help="Enable client")
365
parser.add_argument("-d", "--disable", action="store_true",
366
help="disable client")
367
parser.add_argument("-b", "--bump-timeout", action="store_true",
368
help="Bump timeout for client")
369
parser.add_argument("--start-checker", action="store_true",
370
help="Start checker for client")
371
parser.add_argument("--stop-checker", action="store_true",
372
help="Stop checker for client")
373
parser.add_argument("-V", "--is-enabled", action="store_true",
374
help="Check if client is enabled")
375
parser.add_argument("-r", "--remove", action="store_true",
376
help="Remove client")
377
parser.add_argument("-c", "--checker",
378
help="Set checker command for client")
379
parser.add_argument("-t", "--timeout",
380
help="Set timeout for client")
381
parser.add_argument("--extended-timeout",
382
help="Set extended timeout for client")
383
parser.add_argument("-i", "--interval",
384
help="Set checker interval for client")
385
parser.add_argument("--approve-by-default", action="store_true",
386
default=None, dest="approved_by_default",
387
help="Set client to be approved by default")
388
parser.add_argument("--deny-by-default", action="store_false",
389
dest="approved_by_default",
390
help="Set client to be denied by default")
391
parser.add_argument("--approval-delay",
392
help="Set delay before client approve/deny")
393
parser.add_argument("--approval-duration",
394
help="Set duration of one client approval")
395
parser.add_argument("-H", "--host", help="Set host for client")
396
parser.add_argument("-s", "--secret",
397
type=argparse.FileType(mode="rb"),
398
help="Set password blob (file) for client")
399
parser.add_argument("-A", "--approve", action="store_true",
400
help="Approve any current client request")
401
parser.add_argument("-D", "--deny", action="store_true",
402
help="Deny any current client request")
403
parser.add_argument("--check", action="store_true",
404
help="Run self-test")
405
parser.add_argument("client", nargs="*", help="Client name")
406
options = parser.parse_args()
408
if has_actions(options) and not (options.client or options.all):
409
parser.error("Options require clients names or --all.")
410
if options.verbose and has_actions(options):
411
parser.error("--verbose can only be used alone.")
412
if options.dump_json and (options.verbose
413
or has_actions(options)):
414
parser.error("--dump-json can only be used alone.")
415
if options.all and not has_actions(options):
416
parser.error("--all requires an action.")
419
bus = dbus.SystemBus()
420
mandos_dbus_objc = bus.get_object(busname, server_path)
421
except dbus.exceptions.DBusException:
422
log.critical("Could not connect to Mandos server")
425
mandos_serv = dbus.Interface(mandos_dbus_objc,
426
dbus_interface=server_interface)
427
mandos_serv_object_manager = dbus.Interface(
428
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
430
# block stderr since dbus library prints to stderr
431
null = os.open(os.path.devnull, os.O_RDWR)
432
stderrcopy = os.dup(sys.stderr.fileno())
433
os.dup2(null, sys.stderr.fileno())
437
mandos_clients = {path: ifs_and_props[client_interface]
438
for path, ifs_and_props in
439
mandos_serv_object_manager
440
.GetManagedObjects().items()
441
if client_interface in ifs_and_props}
444
os.dup2(stderrcopy, sys.stderr.fileno())
446
except dbus.exceptions.DBusException as e:
447
log.critical("Failed to access Mandos server through D-Bus:"
451
# Compile dict of (clients: properties) to process
454
if options.all or not options.client:
455
clients = {bus.get_object(busname, path): properties
456
for path, properties in mandos_clients.items()}
458
for name in options.client:
459
for path, client in mandos_clients.items():
460
if client["Name"] == name:
461
client_objc = bus.get_object(busname, path)
462
clients[client_objc] = client
465
log.critical("Client not found on server: %r", name)
468
if not has_actions(options) and clients:
469
if options.verbose or options.dump_json:
470
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
471
"Created", "Interval", "Host", "KeyID",
472
"Fingerprint", "CheckerRunning",
473
"LastEnabled", "ApprovalPending",
474
"ApprovedByDefault", "LastApprovalRequest",
475
"ApprovalDelay", "ApprovalDuration",
476
"Checker", "ExtendedTimeout", "Expires",
479
keywords = defaultkeywords
481
if options.dump_json:
482
json.dump({client["Name"]: {key:
484
if isinstance(client[key],
488
for client in clients.values()},
489
fp=sys.stdout, indent=4,
490
separators=(',', ': '))
493
print_clients(clients.values(), keywords)
495
# Process each client in the list by all selected options
496
for client in clients:
498
def set_client_prop(prop, value):
499
"""Set a Client D-Bus property"""
500
client.Set(client_interface, prop, value,
501
dbus_interface=dbus.PROPERTIES_IFACE)
503
def set_client_prop_ms(prop, value):
504
"""Set a Client D-Bus property, converted
505
from a string to milliseconds."""
506
set_client_prop(prop,
507
string_to_delta(value).total_seconds()
511
mandos_serv.RemoveClient(client.__dbus_object_path__)
513
set_client_prop("Enabled", dbus.Boolean(True))
515
set_client_prop("Enabled", dbus.Boolean(False))
516
if options.bump_timeout:
517
set_client_prop("LastCheckedOK", "")
518
if options.start_checker:
519
set_client_prop("CheckerRunning", dbus.Boolean(True))
520
if options.stop_checker:
521
set_client_prop("CheckerRunning", dbus.Boolean(False))
522
if options.is_enabled:
523
if client.Get(client_interface, "Enabled",
524
dbus_interface=dbus.PROPERTIES_IFACE):
528
if options.checker is not None:
529
set_client_prop("Checker", options.checker)
530
if options.host is not None:
531
set_client_prop("Host", options.host)
532
if options.interval is not None:
533
set_client_prop_ms("Interval", options.interval)
534
if options.approval_delay is not None:
535
set_client_prop_ms("ApprovalDelay",
536
options.approval_delay)
537
if options.approval_duration is not None:
538
set_client_prop_ms("ApprovalDuration",
539
options.approval_duration)
540
if options.timeout is not None:
541
set_client_prop_ms("Timeout", options.timeout)
542
if options.extended_timeout is not None:
543
set_client_prop_ms("ExtendedTimeout",
544
options.extended_timeout)
545
if options.secret is not None:
546
set_client_prop("Secret",
547
dbus.ByteArray(options.secret.read()))
548
if options.approved_by_default is not None:
549
set_client_prop("ApprovedByDefault",
551
.approved_by_default))
553
client.Approve(dbus.Boolean(True),
554
dbus_interface=client_interface)
556
client.Approve(dbus.Boolean(False),
557
dbus_interface=client_interface)
560
class Test_milliseconds_to_string(unittest.TestCase):
562
self.assertEqual(milliseconds_to_string(93785000),
564
def test_no_days(self):
565
self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
566
def test_all_zero(self):
567
self.assertEqual(milliseconds_to_string(0), "00:00:00")
568
def test_no_fractional_seconds(self):
569
self.assertEqual(milliseconds_to_string(400), "00:00:00")
570
self.assertEqual(milliseconds_to_string(900), "00:00:00")
571
self.assertEqual(milliseconds_to_string(1900), "00:00:01")
573
class Test_string_to_delta(unittest.TestCase):
574
def test_handles_basic_rfc3339(self):
575
self.assertEqual(string_to_delta("PT2H"),
576
datetime.timedelta(0, 7200))
577
def test_falls_back_to_pre_1_6_1_with_warning(self):
578
# assertLogs only exists in Python 3.4
579
if hasattr(self, "assertLogs"):
580
with self.assertLogs(log, logging.WARNING):
581
value = string_to_delta("2h")
583
value = string_to_delta("2h")
584
self.assertEqual(value, datetime.timedelta(0, 7200))
586
class Test_TableOfClients(unittest.TestCase):
592
"Bool": "A D-BUS Boolean",
593
"NonDbusBoolean": "A Non-D-BUS Boolean",
594
"Integer": "An Integer",
595
"Timeout": "Timedelta 1",
596
"Interval": "Timedelta 2",
597
"ApprovalDelay": "Timedelta 3",
598
"ApprovalDuration": "Timedelta 4",
599
"ExtendedTimeout": "Timedelta 5",
600
"String": "A String",
602
self.keywords = ["Attr1", "AttrTwo"]
608
"Bool": dbus.Boolean(False),
609
"NonDbusBoolean": False,
613
"ApprovalDelay": 2000,
614
"ApprovalDuration": 3000,
615
"ExtendedTimeout": 4000,
622
"Bool": dbus.Boolean(True),
623
"NonDbusBoolean": True,
626
"Interval": 93786000,
627
"ApprovalDelay": 93787000,
628
"ApprovalDuration": 93788000,
629
"ExtendedTimeout": 93789000,
630
"String": "A huge string which will not fit," * 10,
633
def test_short_header(self):
634
rows = TableOfClients(self.clients, self.keywords,
635
self.tablewords).rows()
640
self.assertEqual(rows, expected_rows)
641
def test_booleans(self):
642
keywords = ["Bool", "NonDbusBoolean"]
643
rows = TableOfClients(self.clients, keywords,
644
self.tablewords).rows()
646
"A D-BUS Boolean A Non-D-BUS Boolean",
650
self.assertEqual(rows, expected_rows)
651
def test_milliseconds_detection(self):
652
keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
653
"ApprovalDuration", "ExtendedTimeout"]
654
rows = TableOfClients(self.clients, keywords,
655
self.tablewords).rows()
657
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
658
0 00:00:00 00:00:01 00:00:02 00:00:03 00:00:04
659
1 1T02:03:05 1T02:03:06 1T02:03:07 1T02:03:08 1T02:03:09
662
self.assertEqual(rows, expected_rows)
663
def test_empty_and_long_string_values(self):
664
keywords = ["String"]
665
rows = TableOfClients(self.clients, keywords,
666
self.tablewords).rows()
670
A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,
673
self.assertEqual(rows, expected_rows)
677
def should_only_run_tests():
678
parser = argparse.ArgumentParser(add_help=False)
679
parser.add_argument("--check", action='store_true')
680
args, unknown_args = parser.parse_known_args()
681
run_tests = args.check
683
# Remove --check argument from sys.argv
684
sys.argv[1:] = unknown_args
687
# Add all tests from doctest strings
688
def load_tests(loader, tests, none):
690
tests.addTests(doctest.DocTestSuite())
693
if __name__ == "__main__":
694
if should_only_run_tests():
695
# Call using ./tdd-python-script --check [--verbose]