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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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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return "\n".join(self.rows())
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if sys.version_info.major == 2:
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__unicode__ = __str__
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return str(self).encode(locale.getpreferredencoding())
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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)
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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",
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"ApprovalDuration", "ExtendedTimeout"):
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return milliseconds_to_string(value)
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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)
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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,
361
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),
372
help="show version number and exit")
373
parser.add_argument("-a", "--all", action="store_true",
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help="Select all clients")
375
parser.add_argument("-v", "--verbose", action="store_true",
376
help="Print all fields")
377
parser.add_argument("-j", "--dump-json", action="store_true",
378
help="Dump client data in JSON format")
379
parser.add_argument("-e", "--enable", action="store_true",
380
help="Enable client")
381
parser.add_argument("-d", "--disable", action="store_true",
382
help="disable client")
383
parser.add_argument("-b", "--bump-timeout", action="store_true",
384
help="Bump timeout for client")
385
parser.add_argument("--start-checker", action="store_true",
386
help="Start checker for client")
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parser.add_argument("--stop-checker", action="store_true",
388
help="Stop checker for client")
389
parser.add_argument("-V", "--is-enabled", action="store_true",
390
help="Check if client is enabled")
391
parser.add_argument("-r", "--remove", action="store_true",
392
help="Remove client")
393
parser.add_argument("-c", "--checker",
394
help="Set checker command for client")
395
parser.add_argument("-t", "--timeout",
396
help="Set timeout for client")
397
parser.add_argument("--extended-timeout",
398
help="Set extended timeout for client")
399
parser.add_argument("-i", "--interval",
400
help="Set checker interval for client")
401
parser.add_argument("--approve-by-default", action="store_true",
402
default=None, dest="approved_by_default",
403
help="Set client to be approved by default")
404
parser.add_argument("--deny-by-default", action="store_false",
405
dest="approved_by_default",
406
help="Set client to be denied by default")
407
parser.add_argument("--approval-delay",
408
help="Set delay before client approve/deny")
409
parser.add_argument("--approval-duration",
410
help="Set duration of one client approval")
411
parser.add_argument("-H", "--host", help="Set host for client")
412
parser.add_argument("-s", "--secret",
413
type=argparse.FileType(mode="rb"),
414
help="Set password blob (file) for client")
415
parser.add_argument("-A", "--approve", action="store_true",
416
help="Approve any current client request")
417
parser.add_argument("-D", "--deny", action="store_true",
418
help="Deny any current client request")
419
parser.add_argument("--check", action="store_true",
420
help="Run self-test")
421
parser.add_argument("client", nargs="*", help="Client name")
422
options = parser.parse_args()
424
if has_actions(options) and not (options.client or options.all):
425
parser.error("Options require clients names or --all.")
426
if options.verbose and has_actions(options):
427
parser.error("--verbose can only be used alone.")
428
if options.dump_json and (options.verbose
429
or has_actions(options)):
430
parser.error("--dump-json can only be used alone.")
431
if options.all and not has_actions(options):
432
parser.error("--all requires an action.")
435
bus = dbus.SystemBus()
436
mandos_dbus_objc = bus.get_object(busname, server_path)
437
except dbus.exceptions.DBusException:
438
log.critical("Could not connect to Mandos server")
441
mandos_serv = dbus.Interface(mandos_dbus_objc,
442
dbus_interface=server_interface)
443
mandos_serv_object_manager = dbus.Interface(
444
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
446
# block stderr since dbus library prints to stderr
447
null = os.open(os.path.devnull, os.O_RDWR)
448
stderrcopy = os.dup(sys.stderr.fileno())
449
os.dup2(null, sys.stderr.fileno())
453
mandos_clients = {path: ifs_and_props[client_interface]
454
for path, ifs_and_props in
455
mandos_serv_object_manager
456
.GetManagedObjects().items()
457
if client_interface in ifs_and_props}
460
os.dup2(stderrcopy, sys.stderr.fileno())
462
except dbus.exceptions.DBusException as e:
463
log.critical("Failed to access Mandos server through D-Bus:"
467
# Compile dict of (clients: properties) to process
470
if options.all or not options.client:
471
clients = {bus.get_object(busname, path): properties
472
for path, properties in mandos_clients.items()}
474
for name in options.client:
475
for path, client in mandos_clients.items():
476
if client["Name"] == name:
477
client_objc = bus.get_object(busname, path)
478
clients[client_objc] = client
481
log.critical("Client not found on server: %r", name)
484
if not has_actions(options) and clients:
485
if options.verbose or options.dump_json:
486
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
487
"Created", "Interval", "Host", "KeyID",
488
"Fingerprint", "CheckerRunning",
489
"LastEnabled", "ApprovalPending",
490
"ApprovedByDefault", "LastApprovalRequest",
491
"ApprovalDelay", "ApprovalDuration",
492
"Checker", "ExtendedTimeout", "Expires",
495
keywords = defaultkeywords
497
if options.dump_json:
498
json.dump({client["Name"]: {key:
500
if isinstance(client[key],
504
for client in clients.values()},
505
fp=sys.stdout, indent=4,
506
separators=(',', ': '))
509
print(TableOfClients(clients.values(), keywords))
511
# Process each client in the list by all selected options
512
for client in clients:
514
def set_client_prop(prop, value):
515
"""Set a Client D-Bus property"""
516
client.Set(client_interface, prop, value,
517
dbus_interface=dbus.PROPERTIES_IFACE)
519
def set_client_prop_ms(prop, value):
520
"""Set a Client D-Bus property, converted
521
from a string to milliseconds."""
522
set_client_prop(prop,
523
string_to_delta(value).total_seconds()
527
mandos_serv.RemoveClient(client.__dbus_object_path__)
529
set_client_prop("Enabled", dbus.Boolean(True))
531
set_client_prop("Enabled", dbus.Boolean(False))
532
if options.bump_timeout:
533
set_client_prop("LastCheckedOK", "")
534
if options.start_checker:
535
set_client_prop("CheckerRunning", dbus.Boolean(True))
536
if options.stop_checker:
537
set_client_prop("CheckerRunning", dbus.Boolean(False))
538
if options.is_enabled:
539
if client.Get(client_interface, "Enabled",
540
dbus_interface=dbus.PROPERTIES_IFACE):
544
if options.checker is not None:
545
set_client_prop("Checker", options.checker)
546
if options.host is not None:
547
set_client_prop("Host", options.host)
548
if options.interval is not None:
549
set_client_prop_ms("Interval", options.interval)
550
if options.approval_delay is not None:
551
set_client_prop_ms("ApprovalDelay",
552
options.approval_delay)
553
if options.approval_duration is not None:
554
set_client_prop_ms("ApprovalDuration",
555
options.approval_duration)
556
if options.timeout is not None:
557
set_client_prop_ms("Timeout", options.timeout)
558
if options.extended_timeout is not None:
559
set_client_prop_ms("ExtendedTimeout",
560
options.extended_timeout)
561
if options.secret is not None:
562
set_client_prop("Secret",
563
dbus.ByteArray(options.secret.read()))
564
if options.approved_by_default is not None:
565
set_client_prop("ApprovedByDefault",
567
.approved_by_default))
569
client.Approve(dbus.Boolean(True),
570
dbus_interface=client_interface)
572
client.Approve(dbus.Boolean(False),
573
dbus_interface=client_interface)
576
class Test_milliseconds_to_string(unittest.TestCase):
578
self.assertEqual(milliseconds_to_string(93785000),
580
def test_no_days(self):
581
self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
582
def test_all_zero(self):
583
self.assertEqual(milliseconds_to_string(0), "00:00:00")
584
def test_no_fractional_seconds(self):
585
self.assertEqual(milliseconds_to_string(400), "00:00:00")
586
self.assertEqual(milliseconds_to_string(900), "00:00:00")
587
self.assertEqual(milliseconds_to_string(1900), "00:00:01")
589
class Test_string_to_delta(unittest.TestCase):
590
def test_handles_basic_rfc3339(self):
591
self.assertEqual(string_to_delta("PT2H"),
592
datetime.timedelta(0, 7200))
593
def test_falls_back_to_pre_1_6_1_with_warning(self):
594
# assertLogs only exists in Python 3.4
595
if hasattr(self, "assertLogs"):
596
with self.assertLogs(log, logging.WARNING):
597
value = string_to_delta("2h")
599
value = string_to_delta("2h")
600
self.assertEqual(value, datetime.timedelta(0, 7200))
602
class Test_TableOfClients(unittest.TestCase):
608
"Bool": "A D-BUS Boolean",
609
"NonDbusBoolean": "A Non-D-BUS Boolean",
610
"Integer": "An Integer",
611
"Timeout": "Timedelta 1",
612
"Interval": "Timedelta 2",
613
"ApprovalDelay": "Timedelta 3",
614
"ApprovalDuration": "Timedelta 4",
615
"ExtendedTimeout": "Timedelta 5",
616
"String": "A String",
618
self.keywords = ["Attr1", "AttrTwo"]
624
"Bool": dbus.Boolean(False),
625
"NonDbusBoolean": False,
629
"ApprovalDelay": 2000,
630
"ApprovalDuration": 3000,
631
"ExtendedTimeout": 4000,
638
"Bool": dbus.Boolean(True),
639
"NonDbusBoolean": True,
642
"Interval": 93786000,
643
"ApprovalDelay": 93787000,
644
"ApprovalDuration": 93788000,
645
"ExtendedTimeout": 93789000,
646
"String": "A huge string which will not fit," * 10,
649
def test_short_header(self):
650
text = str(TableOfClients(self.clients, self.keywords,
657
self.assertEqual(text, expected_text)
658
def test_booleans(self):
659
keywords = ["Bool", "NonDbusBoolean"]
660
text = str(TableOfClients(self.clients, keywords,
663
A D-BUS Boolean A Non-D-BUS Boolean
667
self.assertEqual(text, expected_text)
668
def test_milliseconds_detection(self):
669
keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
670
"ApprovalDuration", "ExtendedTimeout"]
671
text = str(TableOfClients(self.clients, keywords,
674
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
675
0 00:00:00 00:00:01 00:00:02 00:00:03 00:00:04
676
1 1T02:03:05 1T02:03:06 1T02:03:07 1T02:03:08 1T02:03:09
678
self.assertEqual(text, expected_text)
679
def test_empty_and_long_string_values(self):
680
keywords = ["String"]
681
text = str(TableOfClients(self.clients, keywords,
686
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,
688
self.assertEqual(text, expected_text)
692
def should_only_run_tests():
693
parser = argparse.ArgumentParser(add_help=False)
694
parser.add_argument("--check", action='store_true')
695
args, unknown_args = parser.parse_known_args()
696
run_tests = args.check
698
# Remove --check argument from sys.argv
699
sys.argv[1:] = unknown_args
702
# Add all tests from doctest strings
703
def load_tests(loader, tests, none):
705
tests.addTests(doctest.DocTestSuite())
708
if __name__ == "__main__":
709
if should_only_run_tests():
710
# Call using ./tdd-python-script --check [--verbose]