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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
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# <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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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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"LastCheckedOK": "Last Successful Check",
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"LastApprovalRequest": "Last Approval Request",
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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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"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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>>> 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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.format(days = "{0}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 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,
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and return a datetime.timedelta
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>>> parse_pre_1_6_1_interval('7d')
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"""Parse a string and return a datetime.timedelta
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>>> string_to_delta("7d")
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datetime.timedelta(7)
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>>> parse_pre_1_6_1_interval('60s')
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>>> string_to_delta("60s")
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datetime.timedelta(0, 60)
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>>> parse_pre_1_6_1_interval('60m')
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>>> string_to_delta("60m")
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datetime.timedelta(0, 3600)
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>>> parse_pre_1_6_1_interval('24h')
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>>> string_to_delta("24h")
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datetime.timedelta(1)
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>>> parse_pre_1_6_1_interval('1w')
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>>> string_to_delta("1w")
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datetime.timedelta(7)
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>>> parse_pre_1_6_1_interval('5m 30s')
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>>> string_to_delta("5m 30s")
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datetime.timedelta(0, 330)
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>>> parse_pre_1_6_1_interval('')
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datetime.timedelta(0)
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>>> # Ignore unknown characters, allow any order and repetitions
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>>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
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datetime.timedelta(2, 480, 18000)
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value = datetime.timedelta(0)
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regexp = re.compile(r"(\d+)([dsmhw]?)")
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regexp = re.compile("(\d+)([dsmhw]?)")
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for num, suffix in regexp.findall(interval):
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if suffix == "d":
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value += datetime.timedelta(int(num))
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value += datetime.timedelta(0, 0, 0, int(num))
272
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__
308
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"
319
return " ".join("{{{key}:{width}}}".format(
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width=max(len(self.tablewords[key]),
321
*(len(self.string_from_client(client, key))
322
for client in self.clients)),
324
for key in self.keywords)
326
def string_from_client(self, client, key):
327
return self.valuetostring(client[key], key)
117
def print_clients(clients, keywords):
330
118
def valuetostring(value, keyword):
331
if isinstance(value, dbus.Boolean):
119
if type(value) is dbus.Boolean:
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return "Yes" if value else "No"
333
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if keyword in ("Timeout", "Interval", "ApprovalDelay",
334
122
"ApprovalDuration", "ExtendedTimeout"):
335
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return milliseconds_to_string(value)
338
def header_line(self, format_string):
339
return format_string.format(**self.tablewords)
341
def client_line(self, client, format_string):
342
return format_string.format(
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**{key: self.string_from_client(client, key)
344
for key in self.keywords})
124
return unicode(value)
126
# Create format string to print table rows
127
format_string = " ".join("{{{key}:{width}}}".format(
128
width = max(len(tablewords[key]),
129
max(len(valuetostring(client[key],
133
key = key) for key in keywords)
135
print(format_string.format(**tablewords))
136
for client in clients:
137
print(format_string.format(**dict((key,
138
valuetostring(client[key],
140
for key in keywords)))
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def has_actions(options):
348
143
return any((options.enable,
409
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parser.add_argument("--approval-duration",
410
202
help="Set duration of one client approval")
411
203
parser.add_argument("-H", "--host", help="Set host for client")
412
parser.add_argument("-s", "--secret",
413
type=argparse.FileType(mode="rb"),
204
parser.add_argument("-s", "--secret", type=file,
414
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help="Set password blob (file) for client")
415
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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",
418
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help="Deny any current client request")
419
parser.add_argument("--check", action="store_true",
420
help="Run self-test")
421
210
parser.add_argument("client", nargs="*", help="Client name")
422
211
options = parser.parse_args()
424
213
if has_actions(options) and not (options.client or options.all):
425
214
parser.error("Options require clients names or --all.")
426
215
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.")
216
parser.error("--verbose can only be used alone or with"
431
218
if options.all and not has_actions(options):
432
219
parser.error("--all requires an action.")
435
222
bus = dbus.SystemBus()
436
223
mandos_dbus_objc = bus.get_object(busname, server_path)
437
224
except dbus.exceptions.DBusException:
438
log.critical("Could not connect to Mandos server")
225
print("Could not connect to Mandos server",
441
229
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
230
dbus_interface = server_interface)
232
#block stderr since dbus library prints to stderr
447
233
null = os.open(os.path.devnull, os.O_RDWR)
448
234
stderrcopy = os.dup(sys.stderr.fileno())
449
235
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}
239
mandos_clients = mandos_serv.GetAllClientsWithProperties()
460
242
os.dup2(stderrcopy, sys.stderr.fileno())
461
243
os.close(stderrcopy)
462
except dbus.exceptions.DBusException as e:
463
log.critical("Failed to access Mandos server through D-Bus:"
244
except dbus.exceptions.DBusException:
245
print("Access denied: Accessing mandos server through dbus.",
467
249
# Compile dict of (clients: properties) to process
470
252
if options.all or not options.client:
471
clients = {bus.get_object(busname, path): properties
472
for path, properties in mandos_clients.items()}
253
clients = dict((bus.get_object(busname, path), properties)
254
for path, properties in
255
mandos_clients.iteritems())
474
257
for name in options.client:
475
for path, client in mandos_clients.items():
258
for path, client in mandos_clients.iteritems():
476
259
if client["Name"] == name:
477
260
client_objc = bus.get_object(busname, path)
478
261
clients[client_objc] = client
481
log.critical("Client not found on server: %r", name)
264
print("Client not found on server: {0!r}"
265
.format(name), file=sys.stderr)
484
268
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",
270
keywords = ("Name", "Enabled", "Timeout",
271
"LastCheckedOK", "Created", "Interval",
272
"Host", "Fingerprint", "CheckerRunning",
489
273
"LastEnabled", "ApprovalPending",
490
"ApprovedByDefault", "LastApprovalRequest",
491
"ApprovalDelay", "ApprovalDuration",
492
"Checker", "ExtendedTimeout", "Expires",
275
"LastApprovalRequest", "ApprovalDelay",
276
"ApprovalDuration", "Checker",
495
279
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))
281
print_clients(clients.values(), keywords)
511
283
# Process each client in the list by all selected options
512
284
for client in clients:
514
285
def set_client_prop(prop, value):
515
286
"""Set a Client D-Bus property"""
516
287
client.Set(client_interface, prop, value,
517
288
dbus_interface=dbus.PROPERTIES_IFACE)
519
289
def set_client_prop_ms(prop, value):
520
290
"""Set a Client D-Bus property, converted
521
291
from a string to milliseconds."""
522
292
set_client_prop(prop,
523
string_to_delta(value).total_seconds()
293
timedelta_to_milliseconds
294
(string_to_delta(value)))
526
295
if options.remove:
527
296
mandos_serv.RemoveClient(client.__dbus_object_path__)
528
297
if options.enable:
572
341
client.Approve(dbus.Boolean(False),
573
342
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
344
if __name__ == "__main__":
709
if should_only_run_tests():
710
# Call using ./tdd-python-script --check [--verbose]