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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# -*- mode: python; coding: utf-8 -*-
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from __future__ import division
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from optparse import OptionParser
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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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locale.setlocale(locale.LC_ALL, u'')
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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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"LastCheckerStatus": "Last Checker Status",
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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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'enabled': u'Enabled',
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'timeout': u'Timeout',
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'last_checked_ok': u'Last Successful Check',
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'created': u'Created',
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'interval': u'Interval',
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'fingerprint': u'Fingerprint',
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'checker_running': u'Check Is Running',
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'last_enabled': u'Last Enabled',
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'checker': u'Checker',
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defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
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busname = 'org.mandos-system.Mandos'
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server_path = '/Mandos'
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server_interface = 'org.mandos_system.Mandos'
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client_interface = 'org.mandos_system.Mandos.Client'
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bus = dbus.SystemBus()
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mandos_dbus_objc = bus.get_object(busname, server_path)
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mandos_serv = dbus.Interface(mandos_dbus_objc,
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dbus_interface = server_interface)
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mandos_clients = mandos_serv.GetAllClientsWithProperties()
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def datetime_to_milliseconds(dt):
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"Return the 'timeout' attribute in milliseconds"
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return ((dt.days * 24 * 60 * 60 * 1000)
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+ (dt.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 "%s%02d:%02d:%02d" % (("%dT" % td.days) if td.days else "", # days
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td.seconds // 3600, # hours
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(td.seconds % 3600) // 60, # minutes
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(td.seconds % 60)) # seconds
240
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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')
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>>> 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')
262
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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(u'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)
269
>>> # Ignore unknown characters, allow any order and repetitions
270
>>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
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datetime.timedelta(2, 480, 18000)
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value = datetime.timedelta(0)
276
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))
286
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))
290
value += datetime.timedelta(0, 0, 0, int(num))
294
def print_clients(clients, keywords):
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timevalue = datetime.timedelta(0)
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regexp = re.compile("\d+[dsmhw]")
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for s in regexp.findall(interval):
76
suffix = unicode(s[-1])
79
delta = datetime.timedelta(value)
81
delta = datetime.timedelta(0, value)
83
delta = datetime.timedelta(0, 0, 0, 0, value)
85
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
87
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
90
except (ValueError, IndexError):
95
def print_clients(clients):
295
96
def valuetostring(value, keyword):
296
if isinstance(value, dbus.Boolean):
297
return "Yes" if value else "No"
298
if keyword in ("Timeout", "Interval", "ApprovalDelay",
299
"ApprovalDuration", "ExtendedTimeout"):
97
if type(value) is dbus.Boolean:
98
return u"Yes" if value else u"No"
99
if keyword in ("timeout", "interval"):
300
100
return milliseconds_to_string(value)
303
# Create format string to print table rows
304
format_string = " ".join("{{{key}:{width}}}".format(
305
width=max(len(tablewords[key]),
306
max(len(valuetostring(client[key], key))
307
for client in clients)),
311
print(format_string.format(**tablewords))
101
return unicode(value)
103
format_string = u' '.join(u'%%-%ds' %
104
max(len(tablewords[key]),
105
max(len(valuetostring(client[key], key))
109
print format_string % tuple(tablewords[key] for key in keywords)
312
110
for client in clients:
314
.format(**{key: valuetostring(client[key], key)
315
for key in keywords}))
318
def has_actions(options):
319
return any((options.enable,
321
options.bump_timeout,
322
options.start_checker,
323
options.stop_checker,
326
options.checker is not None,
327
options.timeout is not None,
328
options.extended_timeout is not None,
329
options.interval is not None,
330
options.approved_by_default is not None,
331
options.approval_delay is not None,
332
options.approval_duration is not None,
333
options.host is not None,
334
options.secret is not None,
340
parser = argparse.ArgumentParser()
341
parser.add_argument("--version", action="version",
342
version="%(prog)s {}".format(version),
343
help="show version number and exit")
344
parser.add_argument("-a", "--all", action="store_true",
345
help="Select all clients")
346
parser.add_argument("-v", "--verbose", action="store_true",
347
help="Print all fields")
348
parser.add_argument("-j", "--dump-json", action="store_true",
349
help="Dump client data in JSON format")
350
parser.add_argument("-e", "--enable", action="store_true",
351
help="Enable client")
352
parser.add_argument("-d", "--disable", action="store_true",
353
help="disable client")
354
parser.add_argument("-b", "--bump-timeout", action="store_true",
355
help="Bump timeout for client")
356
parser.add_argument("--start-checker", action="store_true",
357
help="Start checker for client")
358
parser.add_argument("--stop-checker", action="store_true",
359
help="Stop checker for client")
360
parser.add_argument("-V", "--is-enabled", action="store_true",
361
help="Check if client is enabled")
362
parser.add_argument("-r", "--remove", action="store_true",
363
help="Remove client")
364
parser.add_argument("-c", "--checker",
365
help="Set checker command for client")
366
parser.add_argument("-t", "--timeout",
367
help="Set timeout for client")
368
parser.add_argument("--extended-timeout",
369
help="Set extended timeout for client")
370
parser.add_argument("-i", "--interval",
371
help="Set checker interval for client")
372
parser.add_argument("--approve-by-default", action="store_true",
373
default=None, dest="approved_by_default",
374
help="Set client to be approved by default")
375
parser.add_argument("--deny-by-default", action="store_false",
376
dest="approved_by_default",
377
help="Set client to be denied by default")
378
parser.add_argument("--approval-delay",
379
help="Set delay before client approve/deny")
380
parser.add_argument("--approval-duration",
381
help="Set duration of one client approval")
382
parser.add_argument("-H", "--host", help="Set host for client")
383
parser.add_argument("-s", "--secret",
384
type=argparse.FileType(mode="rb"),
385
help="Set password blob (file) for client")
386
parser.add_argument("-A", "--approve", action="store_true",
387
help="Approve any current client request")
388
parser.add_argument("-D", "--deny", action="store_true",
389
help="Deny any current client request")
390
parser.add_argument("--check", action="store_true",
391
help="Run self-test")
392
parser.add_argument("client", nargs="*", help="Client name")
393
options = parser.parse_args()
395
if has_actions(options) and not (options.client or options.all):
396
parser.error("Options require clients names or --all.")
397
if options.verbose and has_actions(options):
398
parser.error("--verbose can only be used alone.")
399
if options.dump_json and (options.verbose
400
or has_actions(options)):
401
parser.error("--dump-json can only be used alone.")
402
if options.all and not has_actions(options):
403
parser.error("--all requires an action.")
406
bus = dbus.SystemBus()
407
mandos_dbus_objc = bus.get_object(busname, server_path)
408
except dbus.exceptions.DBusException:
409
log.critical("Could not connect to Mandos server")
412
mandos_serv = dbus.Interface(mandos_dbus_objc,
413
dbus_interface=server_interface)
414
mandos_serv_object_manager = dbus.Interface(
415
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
417
# block stderr since dbus library prints to stderr
418
null = os.open(os.path.devnull, os.O_RDWR)
419
stderrcopy = os.dup(sys.stderr.fileno())
420
os.dup2(null, sys.stderr.fileno())
424
mandos_clients = {path: ifs_and_props[client_interface]
425
for path, ifs_and_props in
426
mandos_serv_object_manager
427
.GetManagedObjects().items()
428
if client_interface in ifs_and_props}
431
os.dup2(stderrcopy, sys.stderr.fileno())
433
except dbus.exceptions.DBusException as e:
434
log.critical("Failed to access Mandos server through D-Bus:"
438
# Compile dict of (clients: properties) to process
441
if options.all or not options.client:
442
clients = {bus.get_object(busname, path): properties
443
for path, properties in mandos_clients.items()}
445
for name in options.client:
446
for path, client in mandos_clients.items():
447
if client["Name"] == name:
448
client_objc = bus.get_object(busname, path)
449
clients[client_objc] = client
452
log.critical("Client not found on server: %r", name)
455
if not has_actions(options) and clients:
456
if options.verbose or options.dump_json:
457
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
458
"Created", "Interval", "Host", "KeyID",
459
"Fingerprint", "CheckerRunning",
460
"LastEnabled", "ApprovalPending",
461
"ApprovedByDefault", "LastApprovalRequest",
462
"ApprovalDelay", "ApprovalDuration",
463
"Checker", "ExtendedTimeout", "Expires",
466
keywords = defaultkeywords
468
if options.dump_json:
469
json.dump({client["Name"]: {key:
471
if isinstance(client[key],
475
for client in clients.values()},
476
fp=sys.stdout, indent=4,
477
separators=(',', ': '))
480
print_clients(clients.values(), keywords)
482
# Process each client in the list by all selected options
483
for client in clients:
485
def set_client_prop(prop, value):
486
"""Set a Client D-Bus property"""
487
client.Set(client_interface, prop, value,
488
dbus_interface=dbus.PROPERTIES_IFACE)
490
def set_client_prop_ms(prop, value):
491
"""Set a Client D-Bus property, converted
492
from a string to milliseconds."""
493
set_client_prop(prop,
494
string_to_delta(value).total_seconds()
498
mandos_serv.RemoveClient(client.__dbus_object_path__)
500
set_client_prop("Enabled", dbus.Boolean(True))
502
set_client_prop("Enabled", dbus.Boolean(False))
503
if options.bump_timeout:
504
set_client_prop("LastCheckedOK", "")
505
if options.start_checker:
506
set_client_prop("CheckerRunning", dbus.Boolean(True))
507
if options.stop_checker:
508
set_client_prop("CheckerRunning", dbus.Boolean(False))
509
if options.is_enabled:
510
if client.Get(client_interface, "Enabled",
511
dbus_interface=dbus.PROPERTIES_IFACE):
515
if options.checker is not None:
516
set_client_prop("Checker", options.checker)
517
if options.host is not None:
518
set_client_prop("Host", options.host)
519
if options.interval is not None:
520
set_client_prop_ms("Interval", options.interval)
521
if options.approval_delay is not None:
522
set_client_prop_ms("ApprovalDelay",
523
options.approval_delay)
524
if options.approval_duration is not None:
525
set_client_prop_ms("ApprovalDuration",
526
options.approval_duration)
527
if options.timeout is not None:
528
set_client_prop_ms("Timeout", options.timeout)
529
if options.extended_timeout is not None:
530
set_client_prop_ms("ExtendedTimeout",
531
options.extended_timeout)
532
if options.secret is not None:
533
set_client_prop("Secret",
534
dbus.ByteArray(options.secret.read()))
535
if options.approved_by_default is not None:
536
set_client_prop("ApprovedByDefault",
538
.approved_by_default))
540
client.Approve(dbus.Boolean(True),
541
dbus_interface=client_interface)
543
client.Approve(dbus.Boolean(False),
544
dbus_interface=client_interface)
547
class Test_milliseconds_to_string(unittest.TestCase):
549
self.assertEqual(milliseconds_to_string(93785000),
551
def test_no_days(self):
552
self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
553
def test_all_zero(self):
554
self.assertEqual(milliseconds_to_string(0), "00:00:00")
555
def test_no_fractional_seconds(self):
556
self.assertEqual(milliseconds_to_string(400), "00:00:00")
557
self.assertEqual(milliseconds_to_string(900), "00:00:00")
558
self.assertEqual(milliseconds_to_string(1900), "00:00:01")
560
class Test_string_to_delta(unittest.TestCase):
561
def test_handles_basic_rfc3339(self):
562
self.assertEqual(string_to_delta("PT2H"),
563
datetime.timedelta(0, 7200))
564
def test_falls_back_to_pre_1_6_1_with_warning(self):
565
# assertLogs only exists in Python 3.4
566
if hasattr(self, "assertLogs"):
567
with self.assertLogs(log, logging.WARNING):
568
value = string_to_delta("2h")
570
value = string_to_delta("2h")
571
self.assertEqual(value, datetime.timedelta(0, 7200))
574
def should_only_run_tests():
575
parser = argparse.ArgumentParser(add_help=False)
576
parser.add_argument("--check", action='store_true')
577
args, unknown_args = parser.parse_known_args()
578
run_tests = args.check
580
# Remove --check argument from sys.argv
581
sys.argv[1:] = unknown_args
584
# Add all tests from doctest strings
585
def load_tests(loader, tests, none):
587
tests.addTests(doctest.DocTestSuite())
590
if __name__ == "__main__":
591
if should_only_run_tests():
592
# Call using ./tdd-python-script --check [--verbose]
111
print format_string % tuple(valuetostring(client[key], key)
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parser = OptionParser(version = "%%prog %s" % version)
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parser.add_option("-a", "--all", action="store_true",
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help="Print all fields")
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parser.add_option("-e", "--enable", action="store_true",
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help="Enable client")
119
parser.add_option("-d", "--disable", action="store_true",
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help="disable client")
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parser.add_option("-b", "--bump-timeout", action="store_true",
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help="Bump timeout for client")
123
parser.add_option("--start-checker", action="store_true",
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help="Start checker for client")
125
parser.add_option("--stop-checker", action="store_true",
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help="Stop checker for client")
127
parser.add_option("-V", "--is-valid", action="store_true",
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help="Check if client is still valid")
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parser.add_option("-r", "--remove", action="store_true",
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help="Remove client")
131
parser.add_option("-c", "--checker", type="string",
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help="Set checker command for client")
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parser.add_option("-t", "--timeout", type="string",
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help="Set timeout for client")
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parser.add_option("-i", "--interval", type="string",
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help="Set checker interval for client")
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parser.add_option("-H", "--host", type="string",
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help="Set host for client")
139
parser.add_option("-s", "--secret", type="string",
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help="Set password blob (file) for client")
141
options, client_names = parser.parse_args()
143
# Compile list of clients to process
145
for name in client_names:
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for path, client in mandos_clients.iteritems():
147
if client['name'] == name:
148
client_objc = bus.get_object(busname, path)
149
clients.append(dbus.Interface(client_objc,
154
print >> sys.stderr, "Client not found on server: %r" % name
157
if not clients and mandos_clients.values():
158
keywords = defaultkeywords
160
keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
161
'created', 'interval', 'host', 'fingerprint',
162
'checker_running', 'last_enabled', 'checker')
163
print_clients(mandos_clients.values())
165
# Process each client in the list by all selected options
166
for client in clients:
168
mandos_serv.RemoveClient(client.__dbus_object_path__)
173
if options.bump_timeout:
175
if options.start_checker:
176
client.StartChecker()
177
if options.stop_checker:
180
sys.exit(0 if client.IsStillValid() else 1)
182
client.SetChecker(options.checker)
184
client.SetHost(options.host)
186
client.SetInterval(datetime_to_milliseconds
187
(string_to_delta(options.interval)))
189
client.SetTimeout(datetime_to_milliseconds
190
(string_to_delta(options.timeout)))
192
client.SetSecret(dbus.ByteArray(open(options.secret, 'rb').read()))