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# -*- mode: python; coding: utf-8; after-save-hook: (lambda () (let ((command (if (and (boundp 'tramp-file-name-structure) (string-match (car tramp-file-name-structure) (buffer-file-name))) (tramp-file-name-localname (tramp-dissect-file-name (buffer-file-name))) (buffer-file-name)))) (if (= (shell-command (format "%s --check" (shell-quote-argument command)) "*Test*") 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)) (kill-buffer "*Test*")) (display-buffer "*Test*")))); -*-
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# -*- mode: python; coding: utf-8 -*-
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# 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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# Copyright © 2008-2012 Teddy Hogeborn
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# Copyright © 2008-2012 Björn Påhlsson
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# Mandos is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# 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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# along with this program. 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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"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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"LastCheckerStatus": "Last Checker Status",
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"ExtendedTimeout" : "Extended Timeout"
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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 timedelta_to_milliseconds(td):
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"""Convert a datetime.timedelta object to milliseconds"""
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return ((td.days * 24 * 60 * 60 * 1000)
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+ (td.microseconds // 1000))
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def milliseconds_to_string(ms):
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td = datetime.timedelta(0, 0, 0, ms)
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return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
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.format(days="{}T".format(td.days) if td.days else "",
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hours=td.seconds // 3600,
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minutes=(td.seconds % 3600) // 60,
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seconds=td.seconds % 60))
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def rfc3339_duration_to_delta(duration):
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"""Parse an RFC 3339 "duration" and return a datetime.timedelta
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>>> rfc3339_duration_to_delta("P7D")
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datetime.timedelta(7)
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>>> rfc3339_duration_to_delta("PT60S")
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datetime.timedelta(0, 60)
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>>> rfc3339_duration_to_delta("PT60M")
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datetime.timedelta(0, 3600)
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>>> rfc3339_duration_to_delta("P60M")
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datetime.timedelta(1680)
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>>> rfc3339_duration_to_delta("PT24H")
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datetime.timedelta(1)
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>>> rfc3339_duration_to_delta("P1W")
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datetime.timedelta(7)
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>>> rfc3339_duration_to_delta("PT5M30S")
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datetime.timedelta(0, 330)
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>>> rfc3339_duration_to_delta("P1DT3M20S")
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datetime.timedelta(1, 200)
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>>> # Can not be empty:
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>>> rfc3339_duration_to_delta("")
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Traceback (most recent call last):
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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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return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
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% { "days": "%dT" % td.days if td.days else "",
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"hours": td.seconds // 3600,
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"minutes": (td.seconds % 3600) // 60,
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"seconds": td.seconds % 60,
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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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>>> string_to_delta("7d")
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datetime.timedelta(7)
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>>> parse_pre_1_6_1_interval('60s')
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>>> string_to_delta("60s")
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datetime.timedelta(0, 60)
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>>> parse_pre_1_6_1_interval('60m')
87
>>> string_to_delta("60m")
260
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datetime.timedelta(0, 3600)
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>>> parse_pre_1_6_1_interval('24h')
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>>> string_to_delta("24h")
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datetime.timedelta(1)
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>>> parse_pre_1_6_1_interval('1w')
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>>> string_to_delta("1w")
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datetime.timedelta(7)
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>>> parse_pre_1_6_1_interval('5m 30s')
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>>> string_to_delta("5m 30s")
266
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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)
275
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value = datetime.timedelta(0)
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regexp = re.compile(r"(\d+)([dsmhw]?)")
97
regexp = re.compile("(\d+)([dsmhw]?)")
278
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for num, suffix in regexp.findall(interval):
279
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if suffix == "d":
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value += datetime.timedelta(int(num))
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parser.add_argument("--approval-duration",
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help="Set duration of one client approval")
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parser.add_argument("-H", "--host", help="Set host for client")
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parser.add_argument("-s", "--secret",
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type=argparse.FileType(mode="rb"),
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parser.add_argument("-s", "--secret", type=file,
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help="Set password blob (file) for client")
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parser.add_argument("-A", "--approve", action="store_true",
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help="Approve any current client request")
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parser.add_argument("-D", "--deny", action="store_true",
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help="Deny any current client request")
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parser.add_argument("--check", action="store_true",
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help="Run self-test")
396
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parser.add_argument("client", nargs="*", help="Client name")
397
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options = parser.parse_args()
399
if has_actions(options) and not (options.client or options.all):
208
if has_actions(options) and not options.client and not options.all:
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parser.error("Options require clients names or --all.")
401
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if options.verbose and has_actions(options):
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parser.error("--verbose can only be used alone.")
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if options.dump_json and (options.verbose
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or has_actions(options)):
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parser.error("--dump-json can only be used alone.")
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parser.error("--verbose can only be used alone or with"
406
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if options.all and not has_actions(options):
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parser.error("--all requires an action.")
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bus = dbus.SystemBus()
411
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mandos_dbus_objc = bus.get_object(busname, server_path)
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except dbus.exceptions.DBusException:
413
log.critical("Could not connect to Mandos server")
220
print("Could not connect to Mandos server",
416
224
mandos_serv = dbus.Interface(mandos_dbus_objc,
417
dbus_interface=server_interface)
418
mandos_serv_object_manager = dbus.Interface(
419
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
421
# block stderr since dbus library prints to stderr
225
dbus_interface = server_interface)
227
#block stderr since dbus library prints to stderr
422
228
null = os.open(os.path.devnull, os.O_RDWR)
423
229
stderrcopy = os.dup(sys.stderr.fileno())
424
230
os.dup2(null, sys.stderr.fileno())
428
mandos_clients = {path: ifs_and_props[client_interface]
429
for path, ifs_and_props in
430
mandos_serv_object_manager
431
.GetManagedObjects().items()
432
if client_interface in ifs_and_props}
234
mandos_clients = mandos_serv.GetAllClientsWithProperties()
435
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os.dup2(stderrcopy, sys.stderr.fileno())
436
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os.close(stderrcopy)
437
except dbus.exceptions.DBusException as e:
438
log.critical("Failed to access Mandos server through D-Bus:"
239
except dbus.exceptions.DBusException:
240
print("Access denied: Accessing mandos server through dbus.",
442
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# Compile dict of (clients: properties) to process
445
247
if options.all or not options.client:
446
clients = {bus.get_object(busname, path): properties
447
for path, properties in mandos_clients.items()}
248
clients = dict((bus.get_object(busname, path), properties)
249
for path, properties in
250
mandos_clients.iteritems())
449
252
for name in options.client:
450
for path, client in mandos_clients.items():
253
for path, client in mandos_clients.iteritems():
451
254
if client["Name"] == name:
452
255
client_objc = bus.get_object(busname, path)
453
256
clients[client_objc] = client
456
log.critical("Client not found on server: %r", name)
259
print("Client not found on server: %r" % name,
459
263
if not has_actions(options) and clients:
460
if options.verbose or options.dump_json:
461
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
462
"Created", "Interval", "Host", "KeyID",
463
"Fingerprint", "CheckerRunning",
265
keywords = ("Name", "Enabled", "Timeout",
266
"LastCheckedOK", "Created", "Interval",
267
"Host", "Fingerprint", "CheckerRunning",
464
268
"LastEnabled", "ApprovalPending",
465
"ApprovedByDefault", "LastApprovalRequest",
466
"ApprovalDelay", "ApprovalDuration",
467
"Checker", "ExtendedTimeout", "Expires",
270
"LastApprovalRequest", "ApprovalDelay",
271
"ApprovalDuration", "Checker",
470
274
keywords = defaultkeywords
472
if options.dump_json:
473
json.dump({client["Name"]: {key:
475
if isinstance(client[key],
479
for client in clients.values()},
480
fp=sys.stdout, indent=4,
481
separators=(',', ': '))
484
print_clients(clients.values(), keywords)
276
print_clients(clients.values(), keywords)
486
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# Process each client in the list by all selected options
487
279
for client in clients:
489
def set_client_prop(prop, value):
490
"""Set a Client D-Bus property"""
491
client.Set(client_interface, prop, value,
492
dbus_interface=dbus.PROPERTIES_IFACE)
494
def set_client_prop_ms(prop, value):
495
"""Set a Client D-Bus property, converted
496
from a string to milliseconds."""
497
set_client_prop(prop,
498
string_to_delta(value).total_seconds()
501
280
if options.remove:
502
281
mandos_serv.RemoveClient(client.__dbus_object_path__)
503
282
if options.enable:
504
set_client_prop("Enabled", dbus.Boolean(True))
283
client.Enable(dbus_interface=client_interface)
505
284
if options.disable:
506
set_client_prop("Enabled", dbus.Boolean(False))
285
client.Disable(dbus_interface=client_interface)
507
286
if options.bump_timeout:
508
set_client_prop("LastCheckedOK", "")
287
client.CheckedOK(dbus_interface=client_interface)
509
288
if options.start_checker:
510
set_client_prop("CheckerRunning", dbus.Boolean(True))
289
client.StartChecker(dbus_interface=client_interface)
511
290
if options.stop_checker:
512
set_client_prop("CheckerRunning", dbus.Boolean(False))
291
client.StopChecker(dbus_interface=client_interface)
513
292
if options.is_enabled:
514
if client.Get(client_interface, "Enabled",
515
dbus_interface=dbus.PROPERTIES_IFACE):
293
sys.exit(0 if client.Get(client_interface,
296
dbus.PROPERTIES_IFACE)
519
298
if options.checker is not None:
520
set_client_prop("Checker", options.checker)
299
client.Set(client_interface, "Checker",
301
dbus_interface=dbus.PROPERTIES_IFACE)
521
302
if options.host is not None:
522
set_client_prop("Host", options.host)
303
client.Set(client_interface, "Host", options.host,
304
dbus_interface=dbus.PROPERTIES_IFACE)
523
305
if options.interval is not None:
524
set_client_prop_ms("Interval", options.interval)
306
client.Set(client_interface, "Interval",
307
timedelta_to_milliseconds
308
(string_to_delta(options.interval)),
309
dbus_interface=dbus.PROPERTIES_IFACE)
525
310
if options.approval_delay is not None:
526
set_client_prop_ms("ApprovalDelay",
527
options.approval_delay)
311
client.Set(client_interface, "ApprovalDelay",
312
timedelta_to_milliseconds
313
(string_to_delta(options.
315
dbus_interface=dbus.PROPERTIES_IFACE)
528
316
if options.approval_duration is not None:
529
set_client_prop_ms("ApprovalDuration",
530
options.approval_duration)
317
client.Set(client_interface, "ApprovalDuration",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
531
322
if options.timeout is not None:
532
set_client_prop_ms("Timeout", options.timeout)
323
client.Set(client_interface, "Timeout",
324
timedelta_to_milliseconds
325
(string_to_delta(options.timeout)),
326
dbus_interface=dbus.PROPERTIES_IFACE)
533
327
if options.extended_timeout is not None:
534
set_client_prop_ms("ExtendedTimeout",
535
options.extended_timeout)
328
client.Set(client_interface, "ExtendedTimeout",
329
timedelta_to_milliseconds
330
(string_to_delta(options.extended_timeout)),
331
dbus_interface=dbus.PROPERTIES_IFACE)
536
332
if options.secret is not None:
537
set_client_prop("Secret",
538
dbus.ByteArray(options.secret.read()))
333
client.Set(client_interface, "Secret",
334
dbus.ByteArray(open(options.secret,
336
dbus_interface=dbus.PROPERTIES_IFACE)
539
337
if options.approved_by_default is not None:
540
set_client_prop("ApprovedByDefault",
542
.approved_by_default))
338
client.Set(client_interface, "ApprovedByDefault",
340
.approved_by_default),
341
dbus_interface=dbus.PROPERTIES_IFACE)
543
342
if options.approve:
544
343
client.Approve(dbus.Boolean(True),
545
344
dbus_interface=client_interface)
547
346
client.Approve(dbus.Boolean(False),
548
347
dbus_interface=client_interface)
551
class Test_milliseconds_to_string(unittest.TestCase):
553
self.assertEqual(milliseconds_to_string(93785000),
555
def test_no_days(self):
556
self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
557
def test_all_zero(self):
558
self.assertEqual(milliseconds_to_string(0), "00:00:00")
559
def test_no_fractional_seconds(self):
560
self.assertEqual(milliseconds_to_string(400), "00:00:00")
561
self.assertEqual(milliseconds_to_string(900), "00:00:00")
562
self.assertEqual(milliseconds_to_string(1900), "00:00:01")
564
class Test_string_to_delta(unittest.TestCase):
565
def test_handles_basic_rfc3339(self):
566
self.assertEqual(string_to_delta("PT2H"),
567
datetime.timedelta(0, 7200))
568
def test_falls_back_to_pre_1_6_1_with_warning(self):
569
# assertLogs only exists in Python 3.4
570
if hasattr(self, "assertLogs"):
571
with self.assertLogs(log, logging.WARNING):
572
value = string_to_delta("2h")
574
value = string_to_delta("2h")
575
self.assertEqual(value, datetime.timedelta(0, 7200))
577
class Test_table_rows_of_clients(unittest.TestCase):
580
self.old_tablewords = tablewords
585
"Bool": "A D-BUS Boolean",
586
"NonDbusBoolean": "A Non-D-BUS Boolean",
587
"Integer": "An Integer",
588
"Timeout": "Timedelta 1",
589
"Interval": "Timedelta 2",
590
"ApprovalDelay": "Timedelta 3",
591
"ApprovalDuration": "Timedelta 4",
592
"ExtendedTimeout": "Timedelta 5",
593
"String": "A String",
595
self.keywords = ["Attr1", "AttrTwo"]
601
"Bool": dbus.Boolean(False),
602
"NonDbusBoolean": False,
606
"ApprovalDelay": 2000,
607
"ApprovalDuration": 3000,
608
"ExtendedTimeout": 4000,
615
"Bool": dbus.Boolean(True),
616
"NonDbusBoolean": True,
619
"Interval": 93786000,
620
"ApprovalDelay": 93787000,
621
"ApprovalDuration": 93788000,
622
"ExtendedTimeout": 93789000,
623
"String": "A huge string which will not fit," * 10,
628
tablewords = self.old_tablewords
629
def test_short_header(self):
630
rows = table_rows_of_clients(self.clients, self.keywords)
635
self.assertEqual(rows, expected_rows)
636
def test_booleans(self):
637
keywords = ["Bool", "NonDbusBoolean"]
638
rows = table_rows_of_clients(self.clients, keywords)
640
"A D-BUS Boolean A Non-D-BUS Boolean",
644
self.assertEqual(rows, expected_rows)
645
def test_milliseconds_detection(self):
646
keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
647
"ApprovalDuration", "ExtendedTimeout"]
648
rows = table_rows_of_clients(self.clients, keywords)
650
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
651
0 00:00:00 00:00:01 00:00:02 00:00:03 00:00:04
652
1 1T02:03:05 1T02:03:06 1T02:03:07 1T02:03:08 1T02:03:09
655
self.assertEqual(rows, expected_rows)
656
def test_empty_and_long_string_values(self):
657
keywords = ["String"]
658
rows = table_rows_of_clients(self.clients, keywords)
662
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,
665
self.assertEqual(rows, expected_rows)
669
def should_only_run_tests():
670
parser = argparse.ArgumentParser(add_help=False)
671
parser.add_argument("--check", action='store_true')
672
args, unknown_args = parser.parse_known_args()
673
run_tests = args.check
675
# Remove --check argument from sys.argv
676
sys.argv[1:] = unknown_args
679
# Add all tests from doctest strings
680
def load_tests(loader, tests, none):
682
tests.addTests(doctest.DocTestSuite())
685
349
if __name__ == "__main__":
686
if should_only_run_tests():
687
# Call using ./tdd-python-script --check [--verbose]