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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format_string = self.row_formatting_string()
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rows = [self.header_line(format_string)]
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rows.extend(self.client_line(client, format_string)
309
for client in self.clients)
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def row_formatting_string(self):
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"Format string used to format table rows"
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return " ".join("{{{key}:{width}}}".format(
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width=max(len(self.tablewords[key]),
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max(len(self.string_from_client(client, key))
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for client in self.clients)),
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for key in self.keywords)
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def string_from_client(self, client, key):
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return self.valuetostring(client[key], key)
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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",
329
"ApprovalDuration", "ExtendedTimeout"):
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return milliseconds_to_string(value)
333
def header_line(self, format_string):
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return format_string.format(**self.tablewords)
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def client_line(self, client, format_string):
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return format_string.format(
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**{key: self.string_from_client(client, key)
339
for key in self.keywords})
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def has_actions(options):
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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,
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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()
365
parser.add_argument("--version", action="version",
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version="%(prog)s {}".format(version),
367
help="show version number and exit")
368
parser.add_argument("-a", "--all", action="store_true",
369
help="Select all clients")
370
parser.add_argument("-v", "--verbose", action="store_true",
371
help="Print all fields")
372
parser.add_argument("-j", "--dump-json", action="store_true",
373
help="Dump client data in JSON format")
374
parser.add_argument("-e", "--enable", action="store_true",
375
help="Enable client")
376
parser.add_argument("-d", "--disable", action="store_true",
377
help="disable client")
378
parser.add_argument("-b", "--bump-timeout", action="store_true",
379
help="Bump timeout for client")
380
parser.add_argument("--start-checker", action="store_true",
381
help="Start checker for client")
382
parser.add_argument("--stop-checker", action="store_true",
383
help="Stop checker for client")
384
parser.add_argument("-V", "--is-enabled", action="store_true",
385
help="Check if client is enabled")
386
parser.add_argument("-r", "--remove", action="store_true",
387
help="Remove client")
388
parser.add_argument("-c", "--checker",
389
help="Set checker command for client")
390
parser.add_argument("-t", "--timeout",
391
help="Set timeout for client")
392
parser.add_argument("--extended-timeout",
393
help="Set extended timeout for client")
394
parser.add_argument("-i", "--interval",
395
help="Set checker interval for client")
396
parser.add_argument("--approve-by-default", action="store_true",
397
default=None, dest="approved_by_default",
398
help="Set client to be approved by default")
399
parser.add_argument("--deny-by-default", action="store_false",
400
dest="approved_by_default",
401
help="Set client to be denied by default")
402
parser.add_argument("--approval-delay",
403
help="Set delay before client approve/deny")
404
parser.add_argument("--approval-duration",
405
help="Set duration of one client approval")
406
parser.add_argument("-H", "--host", help="Set host for client")
407
parser.add_argument("-s", "--secret",
408
type=argparse.FileType(mode="rb"),
409
help="Set password blob (file) for client")
410
parser.add_argument("-A", "--approve", action="store_true",
411
help="Approve any current client request")
412
parser.add_argument("-D", "--deny", action="store_true",
413
help="Deny any current client request")
414
parser.add_argument("--check", action="store_true",
415
help="Run self-test")
416
parser.add_argument("client", nargs="*", help="Client name")
417
options = parser.parse_args()
419
if has_actions(options) and not (options.client or options.all):
420
parser.error("Options require clients names or --all.")
421
if options.verbose and has_actions(options):
422
parser.error("--verbose can only be used alone.")
423
if options.dump_json and (options.verbose
424
or has_actions(options)):
425
parser.error("--dump-json can only be used alone.")
426
if options.all and not has_actions(options):
427
parser.error("--all requires an action.")
430
bus = dbus.SystemBus()
431
mandos_dbus_objc = bus.get_object(busname, server_path)
432
except dbus.exceptions.DBusException:
433
log.critical("Could not connect to Mandos server")
436
mandos_serv = dbus.Interface(mandos_dbus_objc,
437
dbus_interface=server_interface)
438
mandos_serv_object_manager = dbus.Interface(
439
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
441
# block stderr since dbus library prints to stderr
442
null = os.open(os.path.devnull, os.O_RDWR)
443
stderrcopy = os.dup(sys.stderr.fileno())
444
os.dup2(null, sys.stderr.fileno())
448
mandos_clients = {path: ifs_and_props[client_interface]
449
for path, ifs_and_props in
450
mandos_serv_object_manager
451
.GetManagedObjects().items()
452
if client_interface in ifs_and_props}
455
os.dup2(stderrcopy, sys.stderr.fileno())
457
except dbus.exceptions.DBusException as e:
458
log.critical("Failed to access Mandos server through D-Bus:"
462
# Compile dict of (clients: properties) to process
465
if options.all or not options.client:
466
clients = {bus.get_object(busname, path): properties
467
for path, properties in mandos_clients.items()}
469
for name in options.client:
470
for path, client in mandos_clients.items():
471
if client["Name"] == name:
472
client_objc = bus.get_object(busname, path)
473
clients[client_objc] = client
476
log.critical("Client not found on server: %r", name)
479
if not has_actions(options) and clients:
480
if options.verbose or options.dump_json:
481
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
482
"Created", "Interval", "Host", "KeyID",
483
"Fingerprint", "CheckerRunning",
484
"LastEnabled", "ApprovalPending",
485
"ApprovedByDefault", "LastApprovalRequest",
486
"ApprovalDelay", "ApprovalDuration",
487
"Checker", "ExtendedTimeout", "Expires",
490
keywords = defaultkeywords
492
if options.dump_json:
493
json.dump({client["Name"]: {key:
495
if isinstance(client[key],
499
for client in clients.values()},
500
fp=sys.stdout, indent=4,
501
separators=(',', ': '))
504
print_clients(clients.values(), keywords)
506
# Process each client in the list by all selected options
507
for client in clients:
509
def set_client_prop(prop, value):
510
"""Set a Client D-Bus property"""
511
client.Set(client_interface, prop, value,
512
dbus_interface=dbus.PROPERTIES_IFACE)
514
def set_client_prop_ms(prop, value):
515
"""Set a Client D-Bus property, converted
516
from a string to milliseconds."""
517
set_client_prop(prop,
518
string_to_delta(value).total_seconds()
522
mandos_serv.RemoveClient(client.__dbus_object_path__)
524
set_client_prop("Enabled", dbus.Boolean(True))
526
set_client_prop("Enabled", dbus.Boolean(False))
527
if options.bump_timeout:
528
set_client_prop("LastCheckedOK", "")
529
if options.start_checker:
530
set_client_prop("CheckerRunning", dbus.Boolean(True))
531
if options.stop_checker:
532
set_client_prop("CheckerRunning", dbus.Boolean(False))
533
if options.is_enabled:
534
if client.Get(client_interface, "Enabled",
535
dbus_interface=dbus.PROPERTIES_IFACE):
539
if options.checker is not None:
540
set_client_prop("Checker", options.checker)
541
if options.host is not None:
542
set_client_prop("Host", options.host)
543
if options.interval is not None:
544
set_client_prop_ms("Interval", options.interval)
545
if options.approval_delay is not None:
546
set_client_prop_ms("ApprovalDelay",
547
options.approval_delay)
548
if options.approval_duration is not None:
549
set_client_prop_ms("ApprovalDuration",
550
options.approval_duration)
551
if options.timeout is not None:
552
set_client_prop_ms("Timeout", options.timeout)
553
if options.extended_timeout is not None:
554
set_client_prop_ms("ExtendedTimeout",
555
options.extended_timeout)
556
if options.secret is not None:
557
set_client_prop("Secret",
558
dbus.ByteArray(options.secret.read()))
559
if options.approved_by_default is not None:
560
set_client_prop("ApprovedByDefault",
562
.approved_by_default))
564
client.Approve(dbus.Boolean(True),
565
dbus_interface=client_interface)
567
client.Approve(dbus.Boolean(False),
568
dbus_interface=client_interface)
571
class Test_milliseconds_to_string(unittest.TestCase):
573
self.assertEqual(milliseconds_to_string(93785000),
575
def test_no_days(self):
576
self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
577
def test_all_zero(self):
578
self.assertEqual(milliseconds_to_string(0), "00:00:00")
579
def test_no_fractional_seconds(self):
580
self.assertEqual(milliseconds_to_string(400), "00:00:00")
581
self.assertEqual(milliseconds_to_string(900), "00:00:00")
582
self.assertEqual(milliseconds_to_string(1900), "00:00:01")
584
class Test_string_to_delta(unittest.TestCase):
585
def test_handles_basic_rfc3339(self):
586
self.assertEqual(string_to_delta("PT2H"),
587
datetime.timedelta(0, 7200))
588
def test_falls_back_to_pre_1_6_1_with_warning(self):
589
# assertLogs only exists in Python 3.4
590
if hasattr(self, "assertLogs"):
591
with self.assertLogs(log, logging.WARNING):
592
value = string_to_delta("2h")
594
value = string_to_delta("2h")
595
self.assertEqual(value, datetime.timedelta(0, 7200))
597
class Test_TableOfClients(unittest.TestCase):
603
"Bool": "A D-BUS Boolean",
604
"NonDbusBoolean": "A Non-D-BUS Boolean",
605
"Integer": "An Integer",
606
"Timeout": "Timedelta 1",
607
"Interval": "Timedelta 2",
608
"ApprovalDelay": "Timedelta 3",
609
"ApprovalDuration": "Timedelta 4",
610
"ExtendedTimeout": "Timedelta 5",
611
"String": "A String",
613
self.keywords = ["Attr1", "AttrTwo"]
619
"Bool": dbus.Boolean(False),
620
"NonDbusBoolean": False,
624
"ApprovalDelay": 2000,
625
"ApprovalDuration": 3000,
626
"ExtendedTimeout": 4000,
633
"Bool": dbus.Boolean(True),
634
"NonDbusBoolean": True,
637
"Interval": 93786000,
638
"ApprovalDelay": 93787000,
639
"ApprovalDuration": 93788000,
640
"ExtendedTimeout": 93789000,
641
"String": "A huge string which will not fit," * 10,
644
def test_short_header(self):
645
rows = TableOfClients(self.clients, self.keywords,
646
self.tablewords).rows()
651
self.assertEqual(rows, expected_rows)
652
def test_booleans(self):
653
keywords = ["Bool", "NonDbusBoolean"]
654
rows = TableOfClients(self.clients, keywords,
655
self.tablewords).rows()
657
"A D-BUS Boolean A Non-D-BUS Boolean",
661
self.assertEqual(rows, expected_rows)
662
def test_milliseconds_detection(self):
663
keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
664
"ApprovalDuration", "ExtendedTimeout"]
665
rows = TableOfClients(self.clients, keywords,
666
self.tablewords).rows()
668
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
669
0 00:00:00 00:00:01 00:00:02 00:00:03 00:00:04
670
1 1T02:03:05 1T02:03:06 1T02:03:07 1T02:03:08 1T02:03:09
673
self.assertEqual(rows, expected_rows)
674
def test_empty_and_long_string_values(self):
675
keywords = ["String"]
676
rows = TableOfClients(self.clients, keywords,
677
self.tablewords).rows()
681
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,
684
self.assertEqual(rows, expected_rows)
688
def should_only_run_tests():
689
parser = argparse.ArgumentParser(add_help=False)
690
parser.add_argument("--check", action='store_true')
691
args, unknown_args = parser.parse_known_args()
692
run_tests = args.check
694
# Remove --check argument from sys.argv
695
sys.argv[1:] = unknown_args
698
# Add all tests from doctest strings
699
def load_tests(loader, tests, none):
701
tests.addTests(doctest.DocTestSuite())
704
if __name__ == "__main__":
705
if should_only_run_tests():
706
# Call using ./tdd-python-script --check [--verbose]