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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 © 2008-2017 Teddy Hogeborn
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# Copyright © 2008-2017 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 © 2008-2015 Teddy Hogeborn
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# Copyright © 2008-2015 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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"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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server_interface = domain + ".Mandos"
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client_interface = domain + ".Mandos.Client"
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dbus.OBJECT_MANAGER_IFACE
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except AttributeError:
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dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
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def milliseconds_to_string(ms):
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td = datetime.timedelta(0, 0, 0, ms)
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return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
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.format(days="{}T".format(td.days) if td.days else "",
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hours=td.seconds // 3600,
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minutes=(td.seconds % 3600) // 60,
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seconds=td.seconds % 60))
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return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
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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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>>> rfc3339_duration_to_delta("P1DT3M20S")
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datetime.timedelta(1, 200)
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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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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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# Define starting values
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value = datetime.timedelta() # Value so far
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found_token = None
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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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followers = frozenset((token_duration, )) # Following valid tokens
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s = duration # 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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>>> string_to_delta('5m 30s')
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datetime.timedelta(0, 330)
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return rfc3339_duration_to_delta(interval)
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except ValueError:
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value = datetime.timedelta(0)
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regexp = re.compile(r"(\d+)([dsmhw]?)")
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for num, suffix in regexp.findall(interval):
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if suffix == "d":
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value += datetime.timedelta(int(num))
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"ApprovalDuration", "ExtendedTimeout"):
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return milliseconds_to_string(value)
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return str(value)
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# Create format string to print table rows
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format_string = " ".join("{{{key}:{width}}}".format(
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width=max(len(tablewords[key]),
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max(len(valuetostring(client[key], key))
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for client in clients)),
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width = max(len(tablewords[key]),
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max(len(valuetostring(client[key], key))
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for client in clients)),
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for key in keywords)
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# Print header line
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print(format_string.format(**tablewords))
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for client in clients:
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.format(**{key: valuetostring(client[key], key)
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for key in keywords}))
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print(format_string.format(**{
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key: valuetostring(client[key], key)
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for key in keywords }))
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def has_actions(options):
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parser = argparse.ArgumentParser()
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parser.add_argument("--version", action="version",
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version="%(prog)s {}".format(version),
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version = "%(prog)s {}".format(version),
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help="show version number and exit")
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parser.add_argument("-a", "--all", action="store_true",
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help="Select all clients")
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parser.add_argument("-v", "--verbose", action="store_true",
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help="Print all fields")
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parser.add_argument("-j", "--dump-json", action="store_true",
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help="Dump client data in JSON format")
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parser.add_argument("-e", "--enable", action="store_true",
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help="Enable client")
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parser.add_argument("-d", "--disable", action="store_true",
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help="Run self-test")
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parser.add_argument("client", nargs="*", help="Client name")
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options = parser.parse_args()
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if has_actions(options) and not (options.client or options.all):
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parser.error("Options require clients names or --all.")
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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"
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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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if options.check:
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fail_count, test_count = doctest.testmod()
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sys.exit(os.EX_OK if fail_count == 0 else 1)
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bus = dbus.SystemBus()
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mandos_dbus_objc = bus.get_object(busname, server_path)
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except dbus.exceptions.DBusException:
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print("Could not connect to Mandos server", file=sys.stderr)
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mandos_serv = dbus.Interface(mandos_dbus_objc,
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dbus_interface=server_interface)
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mandos_serv_object_manager = dbus.Interface(
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mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
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# block stderr since dbus library prints to stderr
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dbus_interface = server_interface)
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#block stderr since dbus library prints to stderr
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null = os.open(os.path.devnull, os.O_RDWR)
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stderrcopy = os.dup(sys.stderr.fileno())
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os.dup2(null, sys.stderr.fileno())
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mandos_clients = {path: ifs_and_props[client_interface]
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for path, ifs_and_props in
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mandos_serv_object_manager
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.GetManagedObjects().items()
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if client_interface in ifs_and_props}
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mandos_clients = mandos_serv.GetAllClientsWithProperties()
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os.dup2(stderrcopy, sys.stderr.fileno())
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os.close(stderrcopy)
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except dbus.exceptions.DBusException as e:
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print("Access denied: "
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"Accessing mandos server through D-Bus: {}".format(e),
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except dbus.exceptions.DBusException:
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print("Access denied: Accessing mandos server through dbus.",
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# Compile dict of (clients: properties) to process
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if options.all or not options.client:
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clients = {bus.get_object(busname, path): properties
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for path, properties in mandos_clients.items()}
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clients = { bus.get_object(busname, path): properties
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for path, properties in mandos_clients.items() }
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for name in options.client:
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for path, client in mandos_clients.items():
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print("Client not found on server: {!r}"
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.format(name), file=sys.stderr)
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if not has_actions(options) and clients:
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if options.verbose or options.dump_json:
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keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
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"Created", "Interval", "Host", "Fingerprint",
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"CheckerRunning", "LastEnabled",
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"ApprovalPending", "ApprovedByDefault",
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"LastApprovalRequest", "ApprovalDelay",
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"ApprovalDuration", "Checker",
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"ExtendedTimeout", "Expires",
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keywords = defaultkeywords
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if options.dump_json:
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json.dump({client["Name"]: {key:
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if isinstance(client[key],
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for client in clients.values()},
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fp=sys.stdout, indent=4,
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separators=(',', ': '))
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print_clients(clients.values(), keywords)
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print_clients(clients.values(), keywords)
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# Process each client in the list by all selected options
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for client in clients:
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def set_client_prop(prop, value):
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"""Set a Client D-Bus property"""
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client.Set(client_interface, prop, value,
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dbus_interface=dbus.PROPERTIES_IFACE)
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def set_client_prop_ms(prop, value):
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"""Set a Client D-Bus property, converted
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from a string to milliseconds."""
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set_client_prop(prop,
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string_to_delta(value).total_seconds()
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if options.remove:
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mandos_serv.RemoveClient(client.__dbus_object_path__)
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if options.enable:
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if options.stop_checker:
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set_client_prop("CheckerRunning", dbus.Boolean(False))
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if options.is_enabled:
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if client.Get(client_interface, "Enabled",
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dbus_interface=dbus.PROPERTIES_IFACE):
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sys.exit(0 if client.Get(client_interface,
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dbus.PROPERTIES_IFACE)
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if options.checker is not None:
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set_client_prop("Checker", options.checker)
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if options.host is not None:
added
removed
mandos-ctl
