/mandos/trunk : revision 777

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# "AvahiService" class, and some lines in "main".

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#

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# Everything else is

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#

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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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from future_builtins import *

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import SocketServer as socketserver

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try:

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import SocketServer as socketserver

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except ImportError:

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import socketserver

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import socket

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import argparse

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import datetime

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import gnutls.library.functions

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import gnutls.library.constants

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import gnutls.library.types

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import ConfigParser as configparser

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try:

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import ConfigParser as configparser

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except ImportError:

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import configparser

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import sys

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import re

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import os

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import struct

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import fcntl

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import functools

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import cPickle as pickle

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try:

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import cPickle as pickle

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except ImportError:

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import pickle

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import multiprocessing

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import types

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import binascii

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import tempfile

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import itertools

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import collections

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import codecs

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import dbus

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import dbus.service

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import gobject

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try:

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import gobject

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except ImportError:

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from gi.repository import GObject as gobject

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import avahi

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from dbus.mainloop.glib import DBusGMainLoop

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import ctypes

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if sys.version_info.major == 2:

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str = unicode

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version = "1.6.8"

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version = "1.6.9"

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stored_state_file = "clients.pickle"

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logger = logging.getLogger()

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syslogger = None

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try:

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if_nametoindex = (ctypes.cdll.LoadLibrary

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(ctypes.util.find_library("c"))

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.if_nametoindex)

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if_nametoindex = ctypes.cdll.LoadLibrary(

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ctypes.util.find_library("c")).if_nametoindex

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except (OSError, AttributeError):

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105

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def if_nametoindex(interface):

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"Get an interface index the hard way, i.e. using fcntl()"

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SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h

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"""init logger and add loglevel"""

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global syslogger

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syslogger = (logging.handlers.SysLogHandler

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(facility =

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logging.handlers.SysLogHandler.LOG_DAEMON,

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address = "/dev/log"))

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syslogger = (logging.handlers.SysLogHandler(

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facility = logging.handlers.SysLogHandler.LOG_DAEMON,

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address = "/dev/log"))

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syslogger.setFormatter(logging.Formatter

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('Mandos [%(process)d]: %(levelname)s:'

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' %(message)s'))

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class PGPEngine(object):

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"""A simple class for OpenPGP symmetric encryption & decryption"""

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def __init__(self):

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self.tempdir = tempfile.mkdtemp(prefix="mandos-")

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self.gnupgargs = ['--batch',

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def encrypt(self, data, password):

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passphrase = self.password_encode(password)

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with tempfile.NamedTemporaryFile(dir=self.tempdir

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) as passfile:

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with tempfile.NamedTemporaryFile(

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dir=self.tempdir) as passfile:

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passfile.write(passphrase)

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passfile.flush()

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proc = subprocess.Popen(['gpg', '--symmetric',

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def decrypt(self, data, password):

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passphrase = self.password_encode(password)

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with tempfile.NamedTemporaryFile(dir = self.tempdir

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) as passfile:

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with tempfile.NamedTemporaryFile(

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dir = self.tempdir) as passfile:

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passfile.write(passphrase)

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passfile.flush()

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proc = subprocess.Popen(['gpg', '--decrypt',

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stdin = subprocess.PIPE,

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stdout = subprocess.PIPE,

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stderr = subprocess.PIPE)

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decrypted_plaintext, err = proc.communicate(input

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= data)

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decrypted_plaintext, err = proc.communicate(input = data)

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if proc.returncode != 0:

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raise PGPError(err)

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return decrypted_plaintext

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return super(AvahiError, self).__init__(value, *args,

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**kwargs)

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class AvahiServiceError(AvahiError):

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pass

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class AvahiGroupError(AvahiError):

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pass

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bus: dbus.SystemBus()

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"""

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def __init__(self, interface = avahi.IF_UNSPEC, name = None,

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servicetype = None, port = None, TXT = None,

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domain = "", host = "", max_renames = 32768,

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protocol = avahi.PROTO_UNSPEC, bus = None):

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def __init__(self,

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interface = avahi.IF_UNSPEC,

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name = None,

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servicetype = None,

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port = None,

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TXT = None,

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domain = "",

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host = "",

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max_renames = 32768,

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protocol = avahi.PROTO_UNSPEC,

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bus = None):

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self.interface = interface

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self.name = name

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self.type = servicetype

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self.bus = bus

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self.entry_group_state_changed_match = None

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def rename(self):

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def rename(self, remove=True):

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"""Derived from the Avahi example code"""

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if self.rename_count >= self.max_renames:

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logger.critical("No suitable Zeroconf service name found"

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" after %i retries, exiting.",

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self.rename_count)

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raise AvahiServiceError("Too many renames")

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self.name = str(self.server

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.GetAlternativeServiceName(self.name))

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self.name = str(

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self.server.GetAlternativeServiceName(self.name))

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self.rename_count += 1

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logger.info("Changing Zeroconf service name to %r ...",

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self.name)

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self.remove()

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if remove:

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self.remove()

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try:

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self.add()

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except dbus.exceptions.DBusException as error:

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logger.critical("D-Bus Exception", exc_info=error)

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self.cleanup()

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os._exit(1)

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self.rename_count += 1

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if (error.get_dbus_name()

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== "org.freedesktop.Avahi.CollisionError"):

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logger.info("Local Zeroconf service name collision.")

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return self.rename(remove=False)

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else:

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logger.critical("D-Bus Exception", exc_info=error)

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self.cleanup()

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os._exit(1)

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def remove(self):

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"""Derived from the Avahi example code"""

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elif state == avahi.ENTRY_GROUP_FAILURE:

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logger.critical("Avahi: Error in group state changed %s",

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str(error))

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raise AvahiGroupError("State changed: {!s}"

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.format(error))

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raise AvahiGroupError("State changed: {!s}".format(error))

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def cleanup(self):

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"""Derived from the Avahi example code"""

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def server_state_changed(self, state, error=None):

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"""Derived from the Avahi example code"""

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logger.debug("Avahi server state change: %i", state)

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bad_states = { avahi.SERVER_INVALID:

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"Zeroconf server invalid",

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avahi.SERVER_REGISTERING: None,

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avahi.SERVER_COLLISION:

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"Zeroconf server name collision",

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avahi.SERVER_FAILURE:

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"Zeroconf server failure" }

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bad_states = {

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avahi.SERVER_INVALID: "Zeroconf server invalid",

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avahi.SERVER_REGISTERING: None,

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avahi.SERVER_COLLISION: "Zeroconf server name collision",

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avahi.SERVER_FAILURE: "Zeroconf server failure",

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}

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if state in bad_states:

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if bad_states[state] is not None:

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if error is None:

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logger.error(bad_states[state] + ": %r", error)

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self.cleanup()

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elif state == avahi.SERVER_RUNNING:

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self.add()

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try:

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self.add()

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except dbus.exceptions.DBusException as error:

401

if (error.get_dbus_name()

402

== "org.freedesktop.Avahi.CollisionError"):

403

logger.info("Local Zeroconf service name"

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" collision.")

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return self.rename(remove=False)

406

else:

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logger.critical("D-Bus Exception", exc_info=error)

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self.cleanup()

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os._exit(1)

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else:

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if error is None:

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logger.debug("Unknown state: %r", state)

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follow_name_owner_changes=True),

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avahi.DBUS_INTERFACE_SERVER)

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self.server.connect_to_signal("StateChanged",

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self.server_state_changed)

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self.server_state_changed)

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426

self.server_state_changed(self.server.GetState())

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class AvahiServiceToSyslog(AvahiService):

394

def rename(self):

430

def rename(self, *args, **kwargs):

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"""Add the new name to the syslog messages"""

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ret = AvahiService.rename(self)

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syslogger.setFormatter(logging.Formatter

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('Mandos ({}) [%(process)d]:'

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' %(levelname)s: %(message)s'

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.format(self.name)))

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ret = AvahiService.rename(self, *args, **kwargs)

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syslogger.setFormatter(logging.Formatter(

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'Mandos ({}) [%(process)d]: %(levelname)s: %(message)s'

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.format(self.name)))

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return ret

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def call_pipe(connection, # : multiprocessing.Connection

439

func, *args, **kwargs):

440

"""This function is meant to be called by multiprocessing.Process

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This function runs func(*args, **kwargs), and writes the resulting

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return value on the provided multiprocessing.Connection.

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"""

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connection.send(func(*args, **kwargs))

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connection.close()

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404

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class Client(object):

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"""A representation of a client host served by this server.

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last_checker_status: integer between 0 and 255 reflecting exit

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status of last checker. -1 reflects crashed

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checker, -2 means no checker completed yet.

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last_checker_signal: The signal which killed the last checker, if

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last_checker_status is -1

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last_enabled: datetime.datetime(); (UTC) or None

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482

name: string; from the config file, used in log messages and

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D-Bus identifiers

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496

"fingerprint", "host", "interval",

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"last_approval_request", "last_checked_ok",

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"last_enabled", "name", "timeout")

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client_defaults = { "timeout": "PT5M",

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"extended_timeout": "PT15M",

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"interval": "PT2M",

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"checker": "fping -q -- %%(host)s",

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"host": "",

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"approval_delay": "PT0S",

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"approval_duration": "PT1S",

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"approved_by_default": "True",

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"enabled": "True",

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}

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client_defaults = {

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"timeout": "PT5M",

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"extended_timeout": "PT15M",

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"interval": "PT2M",

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"checker": "fping -q -- %%(host)s",

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"host": "",

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"approval_delay": "PT0S",

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"approval_duration": "PT1S",

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"approved_by_default": "True",

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"enabled": "True",

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}

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@staticmethod

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def config_parser(config):

481

528

client["enabled"] = config.getboolean(client_name,

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529

"enabled")

483

530

531

# Uppercase and remove spaces from fingerprint for later

532

# comparison purposes with return value from the

533

# fingerprint() function

484

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client["fingerprint"] = (section["fingerprint"].upper()

485

535

.replace(" ", ""))

486

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if "secret" in section:

528

578

self.expires = None

529

579

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logger.debug("Creating client %r", self.name)

531

# Uppercase and remove spaces from fingerprint for later

532

# comparison purposes with return value from the fingerprint()

533

# function

534

581

logger.debug(" Fingerprint: %s", self.fingerprint)

535

582

self.created = settings.get("created",

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583

datetime.datetime.utcnow())

543

590

self.current_checker_command = None

544

591

self.approved = None

545

592

self.approvals_pending = 0

546

self.changedstate = (multiprocessing_manager

547

.Condition(multiprocessing_manager

548

.Lock()))

549

self.client_structure = [attr for attr in

550

self.__dict__.iterkeys()

593

self.changedstate = multiprocessing_manager.Condition(

594

multiprocessing_manager.Lock())

595

self.client_structure = [attr

596

for attr in self.__dict__.iterkeys()

551

597

if not attr.startswith("_")]

552

598

self.client_structure.append("client_structure")

553

599

554

for name, t in inspect.getmembers(type(self),

555

lambda obj:

556

isinstance(obj,

557

property)):

600

for name, t in inspect.getmembers(

601

type(self), lambda obj: isinstance(obj, property)):

558

602

if not name.startswith("_"):

559

603

self.client_structure.append(name)

560

604

602

646

# and every interval from then on.

603

647

if self.checker_initiator_tag is not None:

604

648

gobject.source_remove(self.checker_initiator_tag)

605

self.checker_initiator_tag = (gobject.timeout_add

606

(int(self.interval

607

.total_seconds() * 1000),

608

self.start_checker))

649

self.checker_initiator_tag = gobject.timeout_add(

650

int(self.interval.total_seconds() * 1000),

651

self.start_checker)

609

652

# Schedule a disable() when 'timeout' has passed

610

653

if self.disable_initiator_tag is not None:

611

654

gobject.source_remove(self.disable_initiator_tag)

612

self.disable_initiator_tag = (gobject.timeout_add

613

(int(self.timeout

614

.total_seconds() * 1000),

615

self.disable))

655

self.disable_initiator_tag = gobject.timeout_add(

656

int(self.timeout.total_seconds() * 1000), self.disable)

616

657

# Also start a new checker *right now*.

617

658

self.start_checker()

618

659

619

def checker_callback(self, pid, condition, command):

660

def checker_callback(self, source, condition, connection,

661

command):

620

662

"""The checker has completed, so take appropriate actions."""

621

663

self.checker_callback_tag = None

622

664

self.checker = None

623

if os.WIFEXITED(condition):

624

self.last_checker_status = os.WEXITSTATUS(condition)

665

# Read return code from connection (see call_pipe)

666

returncode = connection.recv()

667

connection.close()

668

669

if returncode >= 0:

670

self.last_checker_status = returncode

671

self.last_checker_signal = None

625

672

if self.last_checker_status == 0:

626

673

logger.info("Checker for %(name)s succeeded",

627

674

vars(self))

628

675

self.checked_ok()

629

676

else:

630

logger.info("Checker for %(name)s failed",

631

vars(self))

677

logger.info("Checker for %(name)s failed", vars(self))

632

678

else:

633

679

self.last_checker_status = -1

680

self.last_checker_signal = -returncode

634

681

logger.warning("Checker for %(name)s crashed?",

635

682

vars(self))

683

return False

636

684

637

685

def checked_ok(self):

638

686

"""Assert that the client has been seen, alive and well."""

639

687

self.last_checked_ok = datetime.datetime.utcnow()

640

688

self.last_checker_status = 0

689

self.last_checker_signal = None

641

690

self.bump_timeout()

642

691

643

692

def bump_timeout(self, timeout=None):

648

697

gobject.source_remove(self.disable_initiator_tag)

649

698

self.disable_initiator_tag = None

650

699

if getattr(self, "enabled", False):

651

self.disable_initiator_tag = (gobject.timeout_add

652

(int(timeout.total_seconds()

653

* 1000), self.disable))

700

self.disable_initiator_tag = gobject.timeout_add(

701

int(timeout.total_seconds() * 1000), self.disable)

654

702

self.expires = datetime.datetime.utcnow() + timeout

655

703

656

704

def need_approval(self):

670

718

# than 'timeout' for the client to be disabled, which is as it

671

719

# should be.

672

720

673

# If a checker exists, make sure it is not a zombie

674

try:

675

pid, status = os.waitpid(self.checker.pid, os.WNOHANG)

676

except AttributeError:

677

pass

678

except OSError as error:

679

if error.errno != errno.ECHILD:

680

raise

681

else:

682

if pid:

683

logger.warning("Checker was a zombie")

684

gobject.source_remove(self.checker_callback_tag)

685

self.checker_callback(pid, status,

686

self.current_checker_command)

721

if self.checker is not None and not self.checker.is_alive():

722

logger.warning("Checker was not alive; joining")

723

self.checker.join()

724

self.checker = None

687

725

# Start a new checker if needed

688

726

if self.checker is None:

689

727

# Escape attributes for the shell

690

escaped_attrs = { attr:

691

re.escape(str(getattr(self, attr)))

692

for attr in self.runtime_expansions }

728

escaped_attrs = {

729

attr: re.escape(str(getattr(self, attr)))

730

for attr in self.runtime_expansions }

693

731

try:

694

732

command = self.checker_command % escaped_attrs

695

733

except TypeError as error:

696

734

logger.error('Could not format string "%s"',

697

self.checker_command, exc_info=error)

698

return True # Try again later

735

self.checker_command,

736

exc_info=error)

737

return True # Try again later

699

738

self.current_checker_command = command

700

try:

701

logger.info("Starting checker %r for %s",

702

command, self.name)

703

# We don't need to redirect stdout and stderr, since

704

# in normal mode, that is already done by daemon(),

705

# and in debug mode we don't want to. (Stdin is

706

# always replaced by /dev/null.)

707

# The exception is when not debugging but nevertheless

708

# running in the foreground; use the previously

709

# created wnull.

710

popen_args = {}

711

if (not self.server_settings["debug"]

712

and self.server_settings["foreground"]):

713

popen_args.update({"stdout": wnull,

714

"stderr": wnull })

715

self.checker = subprocess.Popen(command,

716

close_fds=True,

717

shell=True, cwd="/",

718

**popen_args)

719

except OSError as error:

720

logger.error("Failed to start subprocess",

721

exc_info=error)

722

return True

723

self.checker_callback_tag = (gobject.child_watch_add

724

(self.checker.pid,

725

self.checker_callback,

726

data=command))

727

# The checker may have completed before the gobject

728

# watch was added. Check for this.

729

try:

730

pid, status = os.waitpid(self.checker.pid, os.WNOHANG)

731

except OSError as error:

732

if error.errno == errno.ECHILD:

733

# This should never happen

734

logger.error("Child process vanished",

735

exc_info=error)

736

return True

737

raise

738

if pid:

739

gobject.source_remove(self.checker_callback_tag)

740

self.checker_callback(pid, status, command)

739

logger.info("Starting checker %r for %s", command,

740

self.name)

741

# We don't need to redirect stdout and stderr, since

742

# in normal mode, that is already done by daemon(),

743

# and in debug mode we don't want to. (Stdin is

744

# always replaced by /dev/null.)

745

# The exception is when not debugging but nevertheless

746

# running in the foreground; use the previously

747

# created wnull.

748

popen_args = { "close_fds": True,

749

"shell": True,

750

"cwd": "/" }

751

if (not self.server_settings["debug"]

752

and self.server_settings["foreground"]):

753

popen_args.update({"stdout": wnull,

754

"stderr": wnull })

755

pipe = multiprocessing.Pipe(duplex = False)

756

self.checker = multiprocessing.Process(

757

target = call_pipe,

758

args = (pipe[1], subprocess.call, command),

759

kwargs = popen_args)

760

self.checker.start()

761

self.checker_callback_tag = gobject.io_add_watch(

762

pipe[0].fileno(), gobject.IO_IN,

763

self.checker_callback, pipe[0], command)

741

764

# Re-run this periodically if run by gobject.timeout_add

742

765

return True

743

766

749

772

if getattr(self, "checker", None) is None:

750

773

return

751

774

logger.debug("Stopping checker for %(name)s", vars(self))

752

try:

753

self.checker.terminate()

754

#time.sleep(0.5)

755

#if self.checker.poll() is None:

756

# self.checker.kill()

757

except OSError as error:

758

if error.errno != errno.ESRCH: # No such process

759

raise

775

self.checker.terminate()

760

776

self.checker = None

761

777

762

778

763

def dbus_service_property(dbus_interface, signature="v",

764

access="readwrite", byte_arrays=False):

779

def dbus_service_property(dbus_interface,

780

signature="v",

781

access="readwrite",

782

byte_arrays=False):

765

783

"""Decorators for marking methods of a DBusObjectWithProperties to

766

784

become properties on the D-Bus.

767

785

777

795

if byte_arrays and signature != "ay":

778

796

raise ValueError("Byte arrays not supported for non-'ay'"

779

797

" signature {!r}".format(signature))

798

780

799

def decorator(func):

781

800

func._dbus_is_property = True

782

801

func._dbus_interface = dbus_interface

787

806

func._dbus_name = func._dbus_name[:-14]

788

807

func._dbus_get_args_options = {'byte_arrays': byte_arrays }

789

808

return func

809

790

810

return decorator

791

811

792

812

801

821

"org.freedesktop.DBus.Property.EmitsChangedSignal":

802

822

"false"}

803

823

"""

824

804

825

def decorator(func):

805

826

func._dbus_is_interface = True

806

827

func._dbus_interface = dbus_interface

807

828

func._dbus_name = dbus_interface

808

829

return func

830

809

831

return decorator

810

832

811

833

813

835

"""Decorator to annotate D-Bus methods, signals or properties

814

836

Usage:

815

837

838

@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true",

839

"org.freedesktop.DBus.Property."

840

"EmitsChangedSignal": "false"})

816

841

@dbus_service_property("org.example.Interface", signature="b",

817

842

access="r")

818

@dbus_annotations({{"org.freedesktop.DBus.Deprecated": "true",

819

"org.freedesktop.DBus.Property."

820

"EmitsChangedSignal": "false"})

821

843

def Property_dbus_property(self):

822

844

return dbus.Boolean(False)

823

845

"""

846

824

847

def decorator(func):

825

848

func._dbus_annotations = annotations

826

849

return func

850

827

851

return decorator

828

852

829

853

832

856

"""

833

857

pass

834

858

859

835

860

class DBusPropertyAccessException(DBusPropertyException):

836

861

"""A property's access permissions disallows an operation.

837

862

"""

865

890

def _get_all_dbus_things(self, thing):

866

891

"""Returns a generator of (name, attribute) pairs

867

892

"""

868

return ((getattr(athing.__get__(self), "_dbus_name",

869

name),

893

return ((getattr(athing.__get__(self), "_dbus_name", name),

870

894

athing.__get__(self))

871

895

for cls in self.__class__.__mro__

872

896

for name, athing in

873

inspect.getmembers(cls,

874

self._is_dbus_thing(thing)))

897

inspect.getmembers(cls, self._is_dbus_thing(thing)))

875

898

876

899

def _get_dbus_property(self, interface_name, property_name):

877

900

"""Returns a bound method if one exists which is a D-Bus

878

901

property with the specified name and interface.

879

902

"""

880

for cls in self.__class__.__mro__:

881

for name, value in (inspect.getmembers

882

(cls,

883

self._is_dbus_thing("property"))):

903

for cls in self.__class__.__mro__:

904

for name, value in inspect.getmembers(

905

cls, self._is_dbus_thing("property")):

884

906

if (value._dbus_name == property_name

885

907

and value._dbus_interface == interface_name):

886

908

return value.__get__(self)

887

909

888

910

# No such property

889

raise DBusPropertyNotFound(self.dbus_object_path + ":"

890

+ interface_name + "."

891

+ property_name)

911

raise DBusPropertyNotFound("{}:{}.{}".format(

912

self.dbus_object_path, interface_name, property_name))

892

913

893

@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ss",

914

@dbus.service.method(dbus.PROPERTIES_IFACE,

915

in_signature="ss",

894

916

out_signature="v")

895

917

def Get(self, interface_name, property_name):

896

918

"""Standard D-Bus property Get() method, see D-Bus standard.

921

943

for byte in value))

922

944

prop(value)

923

945

924

@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="s",

946

@dbus.service.method(dbus.PROPERTIES_IFACE,

947

in_signature="s",

925

948

out_signature="a{sv}")

926

949

def GetAll(self, interface_name):

927

950

"""Standard D-Bus property GetAll() method, see D-Bus

942

965

if not hasattr(value, "variant_level"):

943

966

properties[name] = value

944

967

continue

945

properties[name] = type(value)(value, variant_level=

946

value.variant_level+1)

968

properties[name] = type(value)(

969

value, variant_level = value.variant_level + 1)

947

970

return dbus.Dictionary(properties, signature="sv")

948

971

972

@dbus.service.signal(dbus.PROPERTIES_IFACE, signature="sa{sv}as")

973

def PropertiesChanged(self, interface_name, changed_properties,

974

invalidated_properties):

975

"""Standard D-Bus PropertiesChanged() signal, see D-Bus

976

standard.

977

"""

978

pass

979

949

980

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

950

981

out_signature="s",

951

982

path_keyword='object_path',

959

990

connection)

960

991

try:

961

992

document = xml.dom.minidom.parseString(xmlstring)

993

962

994

def make_tag(document, name, prop):

963

995

e = document.createElement("property")

964

996

e.setAttribute("name", name)

965

997

e.setAttribute("type", prop._dbus_signature)

966

998

e.setAttribute("access", prop._dbus_access)

967

999

return e

1000

968

1001

for if_tag in document.getElementsByTagName("interface"):

969

1002

# Add property tags

970

1003

for tag in (make_tag(document, name, prop)

982

1015

if (name == tag.getAttribute("name")

983

1016

and prop._dbus_interface

984

1017

== if_tag.getAttribute("name")):

985

annots.update(getattr

986

(prop,

987

"_dbus_annotations",

988

{}))

1018

annots.update(getattr(

1019

prop, "_dbus_annotations", {}))

989

1020

for name, value in annots.items():

990

1021

ann_tag = document.createElement(

991

1022

"annotation")

996

1027

for annotation, value in dict(

997

1028

itertools.chain.from_iterable(

998

1029

annotations().items()

999

for name, annotations in

1000

self._get_all_dbus_things("interface")

1030

for name, annotations

1031

in self._get_all_dbus_things("interface")

1001

1032

if name == if_tag.getAttribute("name")

1002

1033

)).items():

1003

1034

ann_tag = document.createElement("annotation")

1032

1063

"""Convert a UTC datetime.datetime() to a D-Bus type."""

1033

1064

if dt is None:

1034

1065

return dbus.String("", variant_level = variant_level)

1035

return dbus.String(dt.isoformat(),

1036

variant_level=variant_level)

1066

return dbus.String(dt.isoformat(), variant_level=variant_level)

1037

1067

1038

1068

1039

1069

def alternate_dbus_interfaces(alt_interface_names, deprecate=True):

1059

1089

(from DBusObjectWithProperties) and interfaces (from the

1060

1090

dbus_interface_annotations decorator).

1061

1091

"""

1092

1062

1093

def wrapper(cls):

1063

1094

for orig_interface_name, alt_interface_name in (

1064

alt_interface_names.items()):

1095

alt_interface_names.items()):

1065

1096

attr = {}

1066

1097

interface_names = set()

1067

1098

# Go though all attributes of the class

1069

1100

# Ignore non-D-Bus attributes, and D-Bus attributes

1070

1101

# with the wrong interface name

1071

1102

if (not hasattr(attribute, "_dbus_interface")

1072

or not attribute._dbus_interface

1073

.startswith(orig_interface_name)):

1103

or not attribute._dbus_interface.startswith(

1104

orig_interface_name)):

1074

1105

continue

1075

1106

# Create an alternate D-Bus interface name based on

1076

1107

# the current name

1077

alt_interface = (attribute._dbus_interface

1078

.replace(orig_interface_name,

1079

alt_interface_name))

1108

alt_interface = attribute._dbus_interface.replace(

1109

orig_interface_name, alt_interface_name)

1080

1110

interface_names.add(alt_interface)

1081

1111

# Is this a D-Bus signal?

1082

1112

if getattr(attribute, "_dbus_is_signal", False):

1083

# Extract the original non-method undecorated

1084

# function by black magic

1085

nonmethod_func = (dict(

1113

if sys.version_info.major == 2:

1114

# Extract the original non-method undecorated

1115

# function by black magic

1116

nonmethod_func = (dict(

1086

1117

zip(attribute.func_code.co_freevars,

1087

attribute.__closure__))["func"]

1088

.cell_contents)

1118

attribute.__closure__))

1119

["func"].cell_contents)

1120

else:

1121

nonmethod_func = attribute

1089

1122

# Create a new, but exactly alike, function

1090

1123

# object, and decorate it to be a new D-Bus signal

1091

1124

# with the alternate D-Bus interface name

1092

new_function = (dbus.service.signal

1093

(alt_interface,

1094

attribute._dbus_signature)

1095

(types.FunctionType(

1096

nonmethod_func.func_code,

1097

nonmethod_func.func_globals,

1098

nonmethod_func.func_name,

1099

nonmethod_func.func_defaults,

1100

nonmethod_func.func_closure)))

1125

if sys.version_info.major == 2:

1126

new_function = types.FunctionType(

1127

nonmethod_func.func_code,

1128

nonmethod_func.func_globals,

1129

nonmethod_func.func_name,

1130

nonmethod_func.func_defaults,

1131

nonmethod_func.func_closure)

1132

else:

1133

new_function = types.FunctionType(

1134

nonmethod_func.__code__,

1135

nonmethod_func.__globals__,

1136

nonmethod_func.__name__,

1137

nonmethod_func.__defaults__,

1138

nonmethod_func.__closure__)

1139

new_function = (dbus.service.signal(

1140

alt_interface,

1141

attribute._dbus_signature)(new_function))

1101

1142

# Copy annotations, if any

1102

1143

try:

1103

new_function._dbus_annotations = (

1104

dict(attribute._dbus_annotations))

1144

new_function._dbus_annotations = dict(

1145

attribute._dbus_annotations)

1105

1146

except AttributeError:

1106

1147

pass

1107

1148

# Define a creator of a function to call both the

1112

1153

"""This function is a scope container to pass

1113

1154

func1 and func2 to the "call_both" function

1114

1155

outside of its arguments"""

1156

1115

1157

def call_both(*args, **kwargs):

1116

1158

"""This function will emit two D-Bus

1117

1159

signals by calling func1 and func2"""

1118

1160

func1(*args, **kwargs)

1119

1161

func2(*args, **kwargs)

1162

1120

1163

return call_both

1121

1164

# Create the "call_both" function and add it to

1122

1165

# the class

1127

1170

# object. Decorate it to be a new D-Bus method

1128

1171

# with the alternate D-Bus interface name. Add it

1129

1172

# to the class.

1130

attr[attrname] = (dbus.service.method

1131

(alt_interface,

1132

attribute._dbus_in_signature,

1133

attribute._dbus_out_signature)

1134

(types.FunctionType

1135

(attribute.func_code,

1136

attribute.func_globals,

1137

attribute.func_name,

1138

attribute.func_defaults,

1139

attribute.func_closure)))

1173

attr[attrname] = (

1174

dbus.service.method(

1175

alt_interface,

1176

attribute._dbus_in_signature,

1177

attribute._dbus_out_signature)

1178

(types.FunctionType(attribute.func_code,

1179

attribute.func_globals,

1180

attribute.func_name,

1181

attribute.func_defaults,

1182

attribute.func_closure)))

1140

1183

# Copy annotations, if any

1141

1184

try:

1142

attr[attrname]._dbus_annotations = (

1143

dict(attribute._dbus_annotations))

1185

attr[attrname]._dbus_annotations = dict(

1186

attribute._dbus_annotations)

1144

1187

except AttributeError:

1145

1188

pass

1146

1189

# Is this a D-Bus property?

1149

1192

# object, and decorate it to be a new D-Bus

1150

1193

# property with the alternate D-Bus interface

1151

1194

# name. Add it to the class.

1152

attr[attrname] = (dbus_service_property

1153

(alt_interface,

1154

attribute._dbus_signature,

1155

attribute._dbus_access,

1156

attribute

1157

._dbus_get_args_options

1158

["byte_arrays"])

1159

(types.FunctionType

1160

(attribute.func_code,

1161

attribute.func_globals,

1162

attribute.func_name,

1163

attribute.func_defaults,

1164

attribute.func_closure)))

1195

attr[attrname] = (dbus_service_property(

1196

alt_interface, attribute._dbus_signature,

1197

attribute._dbus_access,

1198

attribute._dbus_get_args_options

1199

["byte_arrays"])

1200

(types.FunctionType(

1201

attribute.func_code,

1202

attribute.func_globals,

1203

attribute.func_name,

1204

attribute.func_defaults,

1205

attribute.func_closure)))

1165

1206

# Copy annotations, if any

1166

1207

try:

1167

attr[attrname]._dbus_annotations = (

1168

dict(attribute._dbus_annotations))

1208

attr[attrname]._dbus_annotations = dict(

1209

attribute._dbus_annotations)

1169

1210

except AttributeError:

1170

1211

pass

1171

1212

# Is this a D-Bus interface?

1174

1215

# object. Decorate it to be a new D-Bus interface

1175

1216

# with the alternate D-Bus interface name. Add it

1176

1217

# to the class.

1177

attr[attrname] = (dbus_interface_annotations

1178

(alt_interface)

1179

(types.FunctionType

1180

(attribute.func_code,

1181

attribute.func_globals,

1182

attribute.func_name,

1183

attribute.func_defaults,

1184

attribute.func_closure)))

1218

attr[attrname] = (

1219

dbus_interface_annotations(alt_interface)

1220

(types.FunctionType(attribute.func_code,

1221

attribute.func_globals,

1222

attribute.func_name,

1223

attribute.func_defaults,

1224

attribute.func_closure)))

1185

1225

if deprecate:

1186

1226

# Deprecate all alternate interfaces

1187

1227

iname="_AlternateDBusNames_interface_annotation{}"

1188

1228

for interface_name in interface_names:

1229

1189

1230

@dbus_interface_annotations(interface_name)

1190

1231

def func(self):

1191

1232

return { "org.freedesktop.DBus.Deprecated":

1192

"true" }

1233

"true" }

1193

1234

# Find an unused name

1194

1235

for aname in (iname.format(i)

1195

1236

for i in itertools.count()):

1200

1241

# Replace the class with a new subclass of it with

1201

1242

# methods, signals, etc. as created above.

1202

1243

cls = type(b"{}Alternate".format(cls.__name__),

1203

(cls,), attr)

1244

(cls, ), attr)

1204

1245

return cls

1246

1205

1247

return wrapper

1206

1248

1207

1249

1208

1250

@alternate_dbus_interfaces({"se.recompile.Mandos":

1209

"se.bsnet.fukt.Mandos"})

1251

"se.bsnet.fukt.Mandos"})

1210

1252

class ClientDBus(Client, DBusObjectWithProperties):

1211

1253

"""A Client class using D-Bus

1212

1254

1216

1258

"""

1217

1259

1218

1260

runtime_expansions = (Client.runtime_expansions

1219

+ ("dbus_object_path",))

1261

+ ("dbus_object_path", ))

1262

1263

_interface = "se.recompile.Mandos.Client"

1220

1264

1221

1265

# dbus.service.Object doesn't use super(), so we can't either.

1222

1266

1228

1272

client_object_name = str(self.name).translate(

1229

1273

{ord("."): ord("_"),

1230

1274

ord("-"): ord("_")})

1231

self.dbus_object_path = (dbus.ObjectPath

1232

("/clients/" + client_object_name))

1275

self.dbus_object_path = dbus.ObjectPath(

1276

"/clients/" + client_object_name)

1233

1277

DBusObjectWithProperties.__init__(self, self.bus,

1234

1278

self.dbus_object_path)

1235

1279

1236

def notifychangeproperty(transform_func,

1237

dbus_name, type_func=lambda x: x,

1238

variant_level=1):

1280

def notifychangeproperty(transform_func, dbus_name,

1281

type_func=lambda x: x,

1282

variant_level=1,

1283

invalidate_only=False,

1284

_interface=_interface):

1239

1285

""" Modify a variable so that it's a property which announces

1240

1286

its changes to DBus.

1241

1287

1247

1293

variant_level: D-Bus variant level. Default: 1

1248

1294

"""

1249

1295

attrname = "_{}".format(dbus_name)

1296

1250

1297

def setter(self, value):

1251

1298

if hasattr(self, "dbus_object_path"):

1252

1299

if (not hasattr(self, attrname) or

1253

1300

type_func(getattr(self, attrname, None))

1254

1301

!= type_func(value)):

1255

dbus_value = transform_func(type_func(value),

1256

variant_level

1257

=variant_level)

1258

self.PropertyChanged(dbus.String(dbus_name),

1259

dbus_value)

1302

if invalidate_only:

1303

self.PropertiesChanged(

1304

_interface, dbus.Dictionary(),

1305

dbus.Array((dbus_name, )))

1306

else:

1307

dbus_value = transform_func(

1308

type_func(value),

1309

variant_level = variant_level)

1310

self.PropertyChanged(dbus.String(dbus_name),

1311

dbus_value)

1312

self.PropertiesChanged(

1313

_interface,

1314

dbus.Dictionary({ dbus.String(dbus_name):

1315

dbus_value }),

1316

dbus.Array())

1260

1317

setattr(self, attrname, value)

1261

1318

1262

1319

return property(lambda self: getattr(self, attrname), setter)

1268

1325

enabled = notifychangeproperty(dbus.Boolean, "Enabled")

1269

1326

last_enabled = notifychangeproperty(datetime_to_dbus,

1270

1327

"LastEnabled")

1271

checker = notifychangeproperty(dbus.Boolean, "CheckerRunning",

1272

type_func = lambda checker:

1273

checker is not None)

1328

checker = notifychangeproperty(

1329

dbus.Boolean, "CheckerRunning",

1330

type_func = lambda checker: checker is not None)

1274

1331

last_checked_ok = notifychangeproperty(datetime_to_dbus,

1275

1332

"LastCheckedOK")

1276

1333

last_checker_status = notifychangeproperty(dbus.Int16,

1279

1336

datetime_to_dbus, "LastApprovalRequest")

1280

1337

approved_by_default = notifychangeproperty(dbus.Boolean,

1281

1338

"ApprovedByDefault")

1282

approval_delay = notifychangeproperty(dbus.UInt64,

1283

"ApprovalDelay",

1284

type_func =

1285

lambda td: td.total_seconds()

1286

* 1000)

1339

approval_delay = notifychangeproperty(

1340

dbus.UInt64, "ApprovalDelay",

1341

type_func = lambda td: td.total_seconds() * 1000)

1287

1342

approval_duration = notifychangeproperty(

1288

1343

dbus.UInt64, "ApprovalDuration",

1289

1344

type_func = lambda td: td.total_seconds() * 1000)

1290

1345

host = notifychangeproperty(dbus.String, "Host")

1291

timeout = notifychangeproperty(dbus.UInt64, "Timeout",

1292

type_func = lambda td:

1293

td.total_seconds() * 1000)

1346

timeout = notifychangeproperty(

1347

dbus.UInt64, "Timeout",

1348

type_func = lambda td: td.total_seconds() * 1000)

1294

1349

extended_timeout = notifychangeproperty(

1295

1350

dbus.UInt64, "ExtendedTimeout",

1296

1351

type_func = lambda td: td.total_seconds() * 1000)

1297

interval = notifychangeproperty(dbus.UInt64,

1298

"Interval",

1299

type_func =

1300

lambda td: td.total_seconds()

1301

* 1000)

1352

interval = notifychangeproperty(

1353

dbus.UInt64, "Interval",

1354

type_func = lambda td: td.total_seconds() * 1000)

1302

1355

checker_command = notifychangeproperty(dbus.String, "Checker")

1356

secret = notifychangeproperty(dbus.ByteArray, "Secret",

1357

invalidate_only=True)

1303

1358

1304

1359

del notifychangeproperty

1305

1360

1312

1367

DBusObjectWithProperties.__del__(self, *args, **kwargs)

1313

1368

Client.__del__(self, *args, **kwargs)

1314

1369

1315

def checker_callback(self, pid, condition, command,

1316

*args, **kwargs):

1317

self.checker_callback_tag = None

1318

self.checker = None

1319

if os.WIFEXITED(condition):

1320

exitstatus = os.WEXITSTATUS(condition)

1370

def checker_callback(self, source, condition,

1371

connection, command, *args, **kwargs):

1372

ret = Client.checker_callback(self, source, condition,

1373

connection, command, *args,

1374

**kwargs)

1375

exitstatus = self.last_checker_status

1376

if exitstatus >= 0:

1321

1377

# Emit D-Bus signal

1322

1378

self.CheckerCompleted(dbus.Int16(exitstatus),

1323

dbus.Int64(condition),

1379

dbus.Int64(0),

1324

1380

dbus.String(command))

1325

1381

else:

1326

1382

# Emit D-Bus signal

1327

1383

self.CheckerCompleted(dbus.Int16(-1),

1328

dbus.Int64(condition),

1384

dbus.Int64(

1385

self.last_checker_signal),

1329

1386

dbus.String(command))

1330

1331

return Client.checker_callback(self, pid, condition, command,

1332

*args, **kwargs)

1387

return ret

1333

1388

1334

1389

def start_checker(self, *args, **kwargs):

1335

1390

old_checker_pid = getattr(self.checker, "pid", None)

1352

1407

self.send_changedstate()

1353

1408

1354

1409

## D-Bus methods, signals & properties

1355

_interface = "se.recompile.Mandos.Client"

1356

1410

1357

1411

## Interfaces

1358

1412

1359

@dbus_interface_annotations(_interface)

1360

def _foo(self):

1361

return { "org.freedesktop.DBus.Property.EmitsChangedSignal":

1362

"false"}

1363

1364

1413

## Signals

1365

1414

1366

1415

# CheckerCompleted - signal

1376

1425

pass

1377

1426

1378

1427

# PropertyChanged - signal

1428

@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})

1379

1429

@dbus.service.signal(_interface, signature="sv")

1380

1430

def PropertyChanged(self, property, value):

1381

1431

"D-Bus signal"

1445

1495

return dbus.Boolean(bool(self.approvals_pending))

1446

1496

1447

1497

# ApprovedByDefault - property

1448

@dbus_service_property(_interface, signature="b",

1498

@dbus_service_property(_interface,

1499

signature="b",

1449

1500

access="readwrite")

1450

1501

def ApprovedByDefault_dbus_property(self, value=None):

1451

1502

if value is None: # get

1453

1504

self.approved_by_default = bool(value)

1454

1505

1455

1506

# ApprovalDelay - property

1456

@dbus_service_property(_interface, signature="t",

1507

@dbus_service_property(_interface,

1508

signature="t",

1457

1509

access="readwrite")

1458

1510

def ApprovalDelay_dbus_property(self, value=None):

1459

1511

if value is None: # get

1462

1514

self.approval_delay = datetime.timedelta(0, 0, 0, value)

1463

1515

1464

1516

# ApprovalDuration - property

1465

@dbus_service_property(_interface, signature="t",

1517

@dbus_service_property(_interface,

1518

signature="t",

1466

1519

access="readwrite")

1467

1520

def ApprovalDuration_dbus_property(self, value=None):

1468

1521

if value is None: # get

1481

1534

return dbus.String(self.fingerprint)

1482

1535

1483

1536

# Host - property

1484

@dbus_service_property(_interface, signature="s",

1537

@dbus_service_property(_interface,

1538

signature="s",

1485

1539

access="readwrite")

1486

1540

def Host_dbus_property(self, value=None):

1487

1541

if value is None: # get

1499

1553

return datetime_to_dbus(self.last_enabled)

1500

1554

1501

1555

# Enabled - property

1502

@dbus_service_property(_interface, signature="b",

1556

@dbus_service_property(_interface,

1557

signature="b",

1503

1558

access="readwrite")

1504

1559

def Enabled_dbus_property(self, value=None):

1505

1560

if value is None: # get

1510

1565

self.disable()

1511

1566

1512

1567

# LastCheckedOK - property

1513

@dbus_service_property(_interface, signature="s",

1568

@dbus_service_property(_interface,

1569

signature="s",

1514

1570

access="readwrite")

1515

1571

def LastCheckedOK_dbus_property(self, value=None):

1516

1572

if value is not None:

1519

1575

return datetime_to_dbus(self.last_checked_ok)

1520

1576

1521

1577

# LastCheckerStatus - property

1522

@dbus_service_property(_interface, signature="n",

1523

access="read")

1578

@dbus_service_property(_interface, signature="n", access="read")

1524

1579

def LastCheckerStatus_dbus_property(self):

1525

1580

return dbus.Int16(self.last_checker_status)

1526

1581

1535

1590

return datetime_to_dbus(self.last_approval_request)

1536

1591

1537

1592

# Timeout - property

1538

@dbus_service_property(_interface, signature="t",

1593

@dbus_service_property(_interface,

1594

signature="t",

1539

1595

access="readwrite")

1540

1596

def Timeout_dbus_property(self, value=None):

1541

1597

if value is None: # get

1554

1610

is None):

1555

1611

return

1556

1612

gobject.source_remove(self.disable_initiator_tag)

1557

self.disable_initiator_tag = (

1558

gobject.timeout_add(

1559

int((self.expires - now).total_seconds()

1560

* 1000), self.disable))

1613

self.disable_initiator_tag = gobject.timeout_add(

1614

int((self.expires - now).total_seconds() * 1000),

1615

self.disable)

1561

1616

1562

1617

# ExtendedTimeout - property

1563

@dbus_service_property(_interface, signature="t",

1618

@dbus_service_property(_interface,

1619

signature="t",

1564

1620

access="readwrite")

1565

1621

def ExtendedTimeout_dbus_property(self, value=None):

1566

1622

if value is None: # get

1569

1625

self.extended_timeout = datetime.timedelta(0, 0, 0, value)

1570

1626

1571

1627

# Interval - property

1572

@dbus_service_property(_interface, signature="t",

1628

@dbus_service_property(_interface,

1629

signature="t",

1573

1630

access="readwrite")

1574

1631

def Interval_dbus_property(self, value=None):

1575

1632

if value is None: # get

1580

1637

if self.enabled:

1581

1638

# Reschedule checker run

1582

1639

gobject.source_remove(self.checker_initiator_tag)

1583

self.checker_initiator_tag = (gobject.timeout_add

1584

(value, self.start_checker))

1585

self.start_checker() # Start one now, too

1640

self.checker_initiator_tag = gobject.timeout_add(

1641

value, self.start_checker)

1642

self.start_checker() # Start one now, too

1586

1643

1587

1644

# Checker - property

1588

@dbus_service_property(_interface, signature="s",

1645

@dbus_service_property(_interface,

1646

signature="s",

1589

1647

access="readwrite")

1590

1648

def Checker_dbus_property(self, value=None):

1591

1649

if value is None: # get

1593

1651

self.checker_command = str(value)

1594

1652

1595

1653

# CheckerRunning - property

1596

@dbus_service_property(_interface, signature="b",

1654

@dbus_service_property(_interface,

1655

signature="b",

1597

1656

access="readwrite")

1598

1657

def CheckerRunning_dbus_property(self, value=None):

1599

1658

if value is None: # get

1609

1668

return self.dbus_object_path # is already a dbus.ObjectPath

1610

1669

1611

1670

# Secret = property

1612

@dbus_service_property(_interface, signature="ay",

1613

access="write", byte_arrays=True)

1671

@dbus_service_property(_interface,

1672

signature="ay",

1673

access="write",

1674

byte_arrays=True)

1614

1675

def Secret_dbus_property(self, value):

1615

1676

self.secret = bytes(value)

1616

1677

1622

1683

self._pipe = child_pipe

1623

1684

self._pipe.send(('init', fpr, address))

1624

1685

if not self._pipe.recv():

1625

raise KeyError()

1686

raise KeyError(fpr)

1626

1687

1627

1688

def __getattribute__(self, name):

1628

1689

if name == '_pipe':

1632

1693

if data[0] == 'data':

1633

1694

return data[1]

1634

1695

if data[0] == 'function':

1696

1635

1697

def func(*args, **kwargs):

1636

1698

self._pipe.send(('funcall', name, args, kwargs))

1637

1699

return self._pipe.recv()[1]

1700

1638

1701

return func

1639

1702

1640

1703

def __setattr__(self, name, value):

1656

1719

logger.debug("Pipe FD: %d",

1657

1720

self.server.child_pipe.fileno())

1658

1721

1659

session = (gnutls.connection

1660

.ClientSession(self.request,

1661

gnutls.connection

1662

.X509Credentials()))

1722

session = gnutls.connection.ClientSession(

1723

self.request, gnutls.connection .X509Credentials())

1663

1724

1664

1725

# Note: gnutls.connection.X509Credentials is really a

1665

1726

# generic GnuTLS certificate credentials object so long as

1674

1735

priority = self.server.gnutls_priority

1675

1736

if priority is None:

1676

1737

priority = "NORMAL"

1677

(gnutls.library.functions

1678

.gnutls_priority_set_direct(session._c_object,

1679

priority, None))

1738

gnutls.library.functions.gnutls_priority_set_direct(

1739

session._c_object, priority, None)

1680

1740

1681

1741

# Start communication using the Mandos protocol

1682

1742

# Get protocol number

1702

1762

approval_required = False

1703

1763

try:

1704

1764

try:

1705

fpr = self.fingerprint(self.peer_certificate

1706

(session))

1765

fpr = self.fingerprint(

1766

self.peer_certificate(session))

1707

1767

except (TypeError,

1708

1768

gnutls.errors.GNUTLSError) as error:

1709

1769

logger.warning("Bad certificate: %s", error)

1724

1784

while True:

1725

1785

if not client.enabled:

1726

1786

logger.info("Client %s is disabled",

1727

client.name)

1787

client.name)

1728

1788

if self.server.use_dbus:

1729

1789

# Emit D-Bus signal

1730

1790

client.Rejected("Disabled")

1777

1837

logger.warning("gnutls send failed",

1778

1838

exc_info=error)

1779

1839

return

1780

logger.debug("Sent: %d, remaining: %d",

1781

sent, len(client.secret)

1782

- (sent_size + sent))

1840

logger.debug("Sent: %d, remaining: %d", sent,

1841

len(client.secret) - (sent_size

1842

+ sent))

1783

1843

sent_size += sent

1784

1844

1785

1845

logger.info("Sending secret to %s", client.name)

1802

1862

def peer_certificate(session):

1803

1863

"Return the peer's OpenPGP certificate as a bytestring"

1804

1864

# If not an OpenPGP certificate...

1805

if (gnutls.library.functions

1806

.gnutls_certificate_type_get(session._c_object)

1865

if (gnutls.library.functions.gnutls_certificate_type_get(

1866

session._c_object)

1807

1867

!= gnutls.library.constants.GNUTLS_CRT_OPENPGP):

1808

1868

# ...do the normal thing

1809

1869

return session.peer_certificate

1823

1883

def fingerprint(openpgp):

1824

1884

"Convert an OpenPGP bytestring to a hexdigit fingerprint"

1825

1885

# New GnuTLS "datum" with the OpenPGP public key

1826

datum = (gnutls.library.types

1827

.gnutls_datum_t(ctypes.cast(ctypes.c_char_p(openpgp),

1828

ctypes.POINTER

1829

(ctypes.c_ubyte)),

1830

ctypes.c_uint(len(openpgp))))

1886

datum = gnutls.library.types.gnutls_datum_t(

1887

ctypes.cast(ctypes.c_char_p(openpgp),

1888

ctypes.POINTER(ctypes.c_ubyte)),

1889

ctypes.c_uint(len(openpgp)))

1831

1890

# New empty GnuTLS certificate

1832

1891

crt = gnutls.library.types.gnutls_openpgp_crt_t()

1833

(gnutls.library.functions

1834

.gnutls_openpgp_crt_init(ctypes.byref(crt)))

1892

gnutls.library.functions.gnutls_openpgp_crt_init(

1893

ctypes.byref(crt))

1835

1894

# Import the OpenPGP public key into the certificate

1836

(gnutls.library.functions

1837

.gnutls_openpgp_crt_import(crt, ctypes.byref(datum),

1838

gnutls.library.constants

1839

.GNUTLS_OPENPGP_FMT_RAW))

1895

gnutls.library.functions.gnutls_openpgp_crt_import(

1896

crt, ctypes.byref(datum),

1897

gnutls.library.constants.GNUTLS_OPENPGP_FMT_RAW)

1840

1898

# Verify the self signature in the key

1841

1899

crtverify = ctypes.c_uint()

1842

(gnutls.library.functions

1843

.gnutls_openpgp_crt_verify_self(crt, 0,

1844

ctypes.byref(crtverify)))

1900

gnutls.library.functions.gnutls_openpgp_crt_verify_self(

1901

crt, 0, ctypes.byref(crtverify))

1845

1902

if crtverify.value != 0:

1846

1903

gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)

1847

raise (gnutls.errors.CertificateSecurityError

1848

("Verify failed"))

1904

raise gnutls.errors.CertificateSecurityError(

1905

"Verify failed")

1849

1906

# New buffer for the fingerprint

1850

1907

buf = ctypes.create_string_buffer(20)

1851

1908

buf_len = ctypes.c_size_t()

1852

1909

# Get the fingerprint from the certificate into the buffer

1853

(gnutls.library.functions

1854

.gnutls_openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),

1855

ctypes.byref(buf_len)))

1910

gnutls.library.functions.gnutls_openpgp_crt_get_fingerprint(

1911

crt, ctypes.byref(buf), ctypes.byref(buf_len))

1856

1912

# Deinit the certificate

1857

1913

gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)

1858

1914

# Convert the buffer to a Python bytestring

1864

1920

1865

1921

class MultiprocessingMixIn(object):

1866

1922

"""Like socketserver.ThreadingMixIn, but with multiprocessing"""

1923

1867

1924

def sub_process_main(self, request, address):

1868

1925

try:

1869

1926

self.finish_request(request, address)

1881

1938

1882

1939

class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):

1883

1940

""" adds a pipe to the MixIn """

1941

1884

1942

def process_request(self, request, client_address):

1885

1943

"""Overrides and wraps the original process_request().

1886

1944

1907

1965

interface: None or a network interface name (string)

1908

1966

use_ipv6: Boolean; to use IPv6 or not

1909

1967

"""

1968

1910

1969

def __init__(self, server_address, RequestHandlerClass,

1911

interface=None, use_ipv6=True, socketfd=None):

1970

interface=None,

1971

use_ipv6=True,

1972

socketfd=None):

1912

1973

"""If socketfd is set, use that file descriptor instead of

1913

1974

creating a new one with socket.socket().

1914

1975

"""

1955

2016

self.interface)

1956

2017

else:

1957

2018

try:

1958

self.socket.setsockopt(socket.SOL_SOCKET,

1959

SO_BINDTODEVICE,

1960

(self.interface + "\0")

1961

.encode("utf-8"))

2019

self.socket.setsockopt(

2020

socket.SOL_SOCKET, SO_BINDTODEVICE,

2021

(self.interface + "\0").encode("utf-8"))

1962

2022

except socket.error as error:

1963

2023

if error.errno == errno.EPERM:

1964

2024

logger.error("No permission to bind to"

1982

2042

self.server_address = (any_address,

1983

2043

self.server_address[1])

1984

2044

elif not self.server_address[1]:

1985

self.server_address = (self.server_address[0],

1986

0)

2045

self.server_address = (self.server_address[0], 0)

1987

2046

# if self.interface:

1988

2047

# self.server_address = (self.server_address[0],

1989

2048

# 0, # port

2003

2062

2004

2063

Assumes a gobject.MainLoop event loop.

2005

2064

"""

2065

2006

2066

def __init__(self, server_address, RequestHandlerClass,

2007

interface=None, use_ipv6=True, clients=None,

2008

gnutls_priority=None, use_dbus=True, socketfd=None):

2067

interface=None,

2068

use_ipv6=True,

2069

clients=None,

2070

gnutls_priority=None,

2071

use_dbus=True,

2072

socketfd=None):

2009

2073

self.enabled = False

2010

2074

self.clients = clients

2011

2075

if self.clients is None:

2017

2081

interface = interface,

2018

2082

use_ipv6 = use_ipv6,

2019

2083

socketfd = socketfd)

2084

2020

2085

def server_activate(self):

2021

2086

if self.enabled:

2022

2087

return socketserver.TCPServer.server_activate(self)

2026

2091

2027

2092

def add_pipe(self, parent_pipe, proc):

2028

2093

# Call "handle_ipc" for both data and EOF events

2029

gobject.io_add_watch(parent_pipe.fileno(),

2030

gobject.IO_IN | gobject.IO_HUP,

2031

functools.partial(self.handle_ipc,

2032

parent_pipe =

2033

parent_pipe,

2034

proc = proc))

2094

gobject.io_add_watch(

2095

parent_pipe.fileno(),

2096

gobject.IO_IN | gobject.IO_HUP,

2097

functools.partial(self.handle_ipc,

2098

parent_pipe = parent_pipe,

2099

proc = proc))

2035

2100

2036

def handle_ipc(self, source, condition, parent_pipe=None,

2037

proc = None, client_object=None):

2101

def handle_ipc(self, source, condition,

2102

parent_pipe=None,

2103

proc = None,

2104

client_object=None):

2038

2105

# error, or the other end of multiprocessing.Pipe has closed

2039

2106

if condition & (gobject.IO_ERR | gobject.IO_HUP):

2040

2107

# Wait for other process to exit

2063

2130

parent_pipe.send(False)

2064

2131

return False

2065

2132

2066

gobject.io_add_watch(parent_pipe.fileno(),

2067

gobject.IO_IN | gobject.IO_HUP,

2068

functools.partial(self.handle_ipc,

2069

parent_pipe =

2070

parent_pipe,

2071

proc = proc,

2072

client_object =

2073

client))

2133

gobject.io_add_watch(

2134

parent_pipe.fileno(),

2135

gobject.IO_IN | gobject.IO_HUP,

2136

functools.partial(self.handle_ipc,

2137

parent_pipe = parent_pipe,

2138

proc = proc,

2139

client_object = client))

2074

2140

parent_pipe.send(True)

2075

2141

# remove the old hook in favor of the new above hook on

2076

2142

# same fileno

2082

2148

2083

2149

parent_pipe.send(('data', getattr(client_object,

2084

2150

funcname)(*args,

2085

**kwargs)))

2151

**kwargs)))

2086

2152

2087

2153

if command == 'getattr':

2088

2154

attrname = request[1]

2089

if callable(client_object.__getattribute__(attrname)):

2090

parent_pipe.send(('function',))

2155

if isinstance(client_object.__getattribute__(attrname),

2156

collections.Callable):

2157

parent_pipe.send(('function', ))

2091

2158

else:

2092

parent_pipe.send(('data', client_object

2093

.__getattribute__(attrname)))

2159

parent_pipe.send((

2160

'data', client_object.__getattribute__(attrname)))

2094

2161

2095

2162

if command == 'setattr':

2096

2163

attrname = request[1]

2127

2194

# avoid excessive use of external libraries.

2128

2195

2129

2196

# New type for defining tokens, syntax, and semantics all-in-one

2130

Token = collections.namedtuple("Token",

2131

("regexp", # To match token; if

2132

# "value" is not None,

2133

# must have a "group"

2134

# containing digits

2135

"value", # datetime.timedelta or

2136

# None

2137

"followers")) # Tokens valid after

2138

# this token

2197

Token = collections.namedtuple("Token", (

2198

"regexp", # To match token; if "value" is not None, must have

2199

# a "group" containing digits

2200

"value", # datetime.timedelta or None

2201

"followers")) # Tokens valid after this token

2139

2202

# RFC 3339 "duration" tokens, syntax, and semantics; taken from

2140

2203

# the "duration" ABNF definition in RFC 3339, Appendix A.

2141

2204

token_end = Token(re.compile(r"$"), None, frozenset())

2142

2205

token_second = Token(re.compile(r"(\d+)S"),

2143

2206

datetime.timedelta(seconds=1),

2144

frozenset((token_end,)))

2207

frozenset((token_end, )))

2145

2208

token_minute = Token(re.compile(r"(\d+)M"),

2146

2209

datetime.timedelta(minutes=1),

2147

2210

frozenset((token_second, token_end)))

2163

2226

frozenset((token_month, token_end)))

2164

2227

token_week = Token(re.compile(r"(\d+)W"),

2165

2228

datetime.timedelta(weeks=1),

2166

frozenset((token_end,)))

2229

frozenset((token_end, )))

2167

2230

token_duration = Token(re.compile(r"P"), None,

2168

2231

frozenset((token_year, token_month,

2169

2232

token_day, token_time,

2171

2234

# Define starting values

2172

2235

value = datetime.timedelta() # Value so far

2173

2236

found_token = None

2174

followers = frozenset((token_duration,)) # Following valid tokens

2237

followers = frozenset((token_duration, )) # Following valid tokens

2175

2238

s = duration # String left to parse

2176

2239

# Loop until end token is found

2177

2240

while found_token is not token_end:

2194

2257

break

2195

2258

else:

2196

2259

# No currently valid tokens were found

2197

raise ValueError("Invalid RFC 3339 duration")

2260

raise ValueError("Invalid RFC 3339 duration: {!r}"

2261

.format(duration))

2198

2262

# End token found

2199

2263

return value

2200

2264

2237

2301

elif suffix == "w":

2238

2302

delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)

2239

2303

else:

2240

raise ValueError("Unknown suffix {!r}"

2241

.format(suffix))

2304

raise ValueError("Unknown suffix {!r}".format(suffix))

2242

2305

except IndexError as e:

2243

2306

raise ValueError(*(e.args))

2244

2307

timevalue += delta

2260

2323

# Close all standard open file descriptors

2261

2324

null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)

2262

2325

if not stat.S_ISCHR(os.fstat(null).st_mode):

2263

raise OSError(errno.ENODEV, "{} not a character device"

2326

raise OSError(errno.ENODEV,

2327

"{} not a character device"

2264

2328

.format(os.devnull))

2265

2329

os.dup2(null, sys.stdin.fileno())

2266

2330

os.dup2(null, sys.stdout.fileno())

2332

2396

"port": "",

2333

2397

"debug": "False",

2334

2398

"priority":

2335

"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:+SIGN-RSA-SHA224:+SIGN-RSA-RMD160",

2399

"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"

2400

":+SIGN-DSA-SHA256",

2336

2401

"servicename": "Mandos",

2337

2402

"use_dbus": "True",

2338

2403

"use_ipv6": "True",

2342

2407

"statedir": "/var/lib/mandos",

2343

2408

"foreground": "False",

2344

2409

"zeroconf": "True",

2345

}

2410

}

2346

2411

2347

2412

# Parse config file for server-global settings

2348

2413

server_config = configparser.SafeConfigParser(server_defaults)

2349

2414

del server_defaults

2350

server_config.read(os.path.join(options.configdir,

2351

"mandos.conf"))

2415

server_config.read(os.path.join(options.configdir, "mandos.conf"))

2352

2416

# Convert the SafeConfigParser object to a dict

2353

2417

server_settings = server_config.defaults()

2354

2418

# Use the appropriate methods on the non-string config options

2372

2436

# Override the settings from the config file with command line

2373

2437

# options, if set.

2374

2438

for option in ("interface", "address", "port", "debug",

2375

"priority", "servicename", "configdir",

2376

"use_dbus", "use_ipv6", "debuglevel", "restore",

2377

"statedir", "socket", "foreground", "zeroconf"):

2439

"priority", "servicename", "configdir", "use_dbus",

2440

"use_ipv6", "debuglevel", "restore", "statedir",

2441

"socket", "foreground", "zeroconf"):

2378

2442

value = getattr(options, option)

2379

2443

if value is not None:

2380

2444

server_settings[option] = value

2395

2459

2396

2460

##################################################################

2397

2461

2398

if (not server_settings["zeroconf"] and

2399

not (server_settings["port"]

2400

or server_settings["socket"] != "")):

2401

parser.error("Needs port or socket to work without"

2402

" Zeroconf")

2462

if (not server_settings["zeroconf"]

2463

and not (server_settings["port"]

2464

or server_settings["socket"] != "")):

2465

parser.error("Needs port or socket to work without Zeroconf")

2403

2466

2404

2467

# For convenience

2405

2468

debug = server_settings["debug"]

2421

2484

initlogger(debug, level)

2422

2485

2423

2486

if server_settings["servicename"] != "Mandos":

2424

syslogger.setFormatter(logging.Formatter

2425

('Mandos ({}) [%(process)d]:'

2426

' %(levelname)s: %(message)s'

2427

.format(server_settings

2428

["servicename"])))

2487

syslogger.setFormatter(

2488

logging.Formatter('Mandos ({}) [%(process)d]:'

2489

' %(levelname)s: %(message)s'.format(

2490

server_settings["servicename"])))

2429

2491

2430

2492

# Parse config file with clients

2431

2493

client_config = configparser.SafeConfigParser(Client

2439

2501

socketfd = None

2440

2502

if server_settings["socket"] != "":

2441

2503

socketfd = server_settings["socket"]

2442

tcp_server = MandosServer((server_settings["address"],

2443

server_settings["port"]),

2444

ClientHandler,

2445

interface=(server_settings["interface"]

2446

or None),

2447

use_ipv6=use_ipv6,

2448

gnutls_priority=

2449

server_settings["priority"],

2450

use_dbus=use_dbus,

2451

socketfd=socketfd)

2504

tcp_server = MandosServer(

2505

(server_settings["address"], server_settings["port"]),

2506

ClientHandler,

2507

interface=(server_settings["interface"] or None),

2508

use_ipv6=use_ipv6,

2509

gnutls_priority=server_settings["priority"],

2510

use_dbus=use_dbus,

2511

socketfd=socketfd)

2452

2512

if not foreground:

2453

2513

pidfilename = "/run/mandos.pid"

2454

2514

if not os.path.isdir("/run/."):

2455

2515

pidfilename = "/var/run/mandos.pid"

2456

2516

pidfile = None

2457

2517

try:

2458

pidfile = open(pidfilename, "w")

2518

pidfile = codecs.open(pidfilename, "w", encoding="utf-8")

2459

2519

except IOError as e:

2460

2520

logger.error("Could not open file %r", pidfilename,

2461

2521

exc_info=e)

2488

2548

def debug_gnutls(level, string):

2489

2549

logger.debug("GnuTLS: %s", string[:-1])

2490

2550

2491

(gnutls.library.functions

2492

.gnutls_global_set_log_function(debug_gnutls))

2551

gnutls.library.functions.gnutls_global_set_log_function(

2552

debug_gnutls)

2493

2553

2494

2554

# Redirect stdin so all checkers get /dev/null

2495

2555

null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)

2515

2575

if use_dbus:

2516

2576

try:

2517

2577

bus_name = dbus.service.BusName("se.recompile.Mandos",

2518

bus, do_not_queue=True)

2519

old_bus_name = (dbus.service.BusName

2520

("se.bsnet.fukt.Mandos", bus,

2521

do_not_queue=True))

2522

except dbus.exceptions.NameExistsException as e:

2578

bus,

2579

do_not_queue=True)

2580

old_bus_name = dbus.service.BusName(

2581

"se.bsnet.fukt.Mandos", bus,

2582

do_not_queue=True)

2583

except dbus.exceptions.DBusException as e:

2523

2584

logger.error("Disabling D-Bus:", exc_info=e)

2524

2585

use_dbus = False

2525

2586

server_settings["use_dbus"] = False

2526

2587

tcp_server.use_dbus = False

2527

2588

if zeroconf:

2528

2589

protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET

2529

service = AvahiServiceToSyslog(name =

2530

server_settings["servicename"],

2531

servicetype = "_mandos._tcp",

2532

protocol = protocol, bus = bus)

2590

service = AvahiServiceToSyslog(

2591

name = server_settings["servicename"],

2592

servicetype = "_mandos._tcp",

2593

protocol = protocol,

2594

bus = bus)

2533

2595

if server_settings["interface"]:

2534

service.interface = (if_nametoindex

2535

(server_settings["interface"]

2536

.encode("utf-8")))

2596

service.interface = if_nametoindex(

2597

server_settings["interface"].encode("utf-8"))

2537

2598

2538

2599

global multiprocessing_manager

2539

2600

multiprocessing_manager = multiprocessing.Manager()

2558

2619

if server_settings["restore"]:

2559

2620

try:

2560

2621

with open(stored_state_path, "rb") as stored_state:

2561

clients_data, old_client_settings = (pickle.load

2562

(stored_state))

2622

clients_data, old_client_settings = pickle.load(

2623

stored_state)

2563

2624

os.remove(stored_state_path)

2564

2625

except IOError as e:

2565

2626

if e.errno == errno.ENOENT:

2566

logger.warning("Could not load persistent state: {}"

2567

.format(os.strerror(e.errno)))

2627

logger.warning("Could not load persistent state:"

2628

" {}".format(os.strerror(e.errno)))

2568

2629

else:

2569

2630

logger.critical("Could not load persistent state:",

2570

2631

exc_info=e)

2571

2632

raise

2572

2633

except EOFError as e:

2573

2634

logger.warning("Could not load persistent state: "

2574

"EOFError:", exc_info=e)

2635

"EOFError:",

2636

exc_info=e)

2575

2637

2576

2638

with PGPEngine() as pgp:

2577

2639

for client_name, client in clients_data.items():

2589

2651

# For each value in new config, check if it

2590

2652

# differs from the old config value (Except for

2591

2653

# the "secret" attribute)

2592

if (name != "secret" and

2593

value != old_client_settings[client_name]

2594

[name]):

2654

if (name != "secret"

2655

and (value !=

2656

old_client_settings[client_name][name])):

2595

2657

client[name] = value

2596

2658

except KeyError:

2597

2659

pass

2598

2660

2599

2661

# Clients who has passed its expire date can still be

2600

# enabled if its last checker was successful. Clients

2662

# enabled if its last checker was successful. A Client

2601

2663

# whose checker succeeded before we stored its state is

2602

2664

# assumed to have successfully run all checkers during

2603

2665

# downtime.

2606

2668

if not client["last_checked_ok"]:

2607

2669

logger.warning(

2608

2670

"disabling client {} - Client never "

2609

"performed a successful checker"

2610

.format(client_name))

2671

"performed a successful checker".format(

2672

client_name))

2611

2673

client["enabled"] = False

2612

2674

elif client["last_checker_status"] != 0:

2613

2675

logger.warning(

2614

2676

"disabling client {} - Client last"

2615

" checker failed with error code {}"

2616

.format(client_name,

2617

client["last_checker_status"]))

2677

" checker failed with error code"

2678

" {}".format(

2679

client_name,

2680

client["last_checker_status"]))

2618

2681

client["enabled"] = False

2619

2682

else:

2620

client["expires"] = (datetime.datetime

2621

.utcnow()

2622

+ client["timeout"])

2683

client["expires"] = (

2684

datetime.datetime.utcnow()

2685

+ client["timeout"])

2623

2686

logger.debug("Last checker succeeded,"

2624

" keeping {} enabled"

2625

.format(client_name))

2687

" keeping {} enabled".format(

2688

client_name))

2626

2689

try:

2627

client["secret"] = (

2628

pgp.decrypt(client["encrypted_secret"],

2629

client_settings[client_name]

2630

["secret"]))

2690

client["secret"] = pgp.decrypt(

2691

client["encrypted_secret"],

2692

client_settings[client_name]["secret"])

2631

2693

except PGPError:

2632

2694

# If decryption fails, we use secret from new settings

2633

logger.debug("Failed to decrypt {} old secret"

2634

.format(client_name))

2635

client["secret"] = (

2636

client_settings[client_name]["secret"])

2695

logger.debug("Failed to decrypt {} old secret".format(

2696

client_name))

2697

client["secret"] = (client_settings[client_name]

2698

["secret"])

2637

2699

2638

2700

# Add/remove clients based on new changes made to config

2639

2701

for client_name in (set(old_client_settings)

2646

2708

# Create all client objects

2647

2709

for client_name, client in clients_data.items():

2648

2710

tcp_server.clients[client_name] = client_class(

2649

name = client_name, settings = client,

2711

name = client_name,

2712

settings = client,

2650

2713

server_settings = server_settings)

2651

2714

2652

2715

if not tcp_server.clients:

2654

2717

2655

2718

if not foreground:

2656

2719

if pidfile is not None:

2720

pid = os.getpid()

2657

2721

try:

2658

2722

with pidfile:

2659

pid = os.getpid()

2660

pidfile.write("{}\n".format(pid).encode("utf-8"))

2723

print(pid, file=pidfile)

2661

2724

except IOError:

2662

2725

logger.error("Could not write to file %r with PID %d",

2663

2726

pidfilename, pid)

2668

2731

signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())

2669

2732

2670

2733

if use_dbus:

2671

@alternate_dbus_interfaces({"se.recompile.Mandos":

2672

"se.bsnet.fukt.Mandos"})

2734

2735

@alternate_dbus_interfaces(

2736

{ "se.recompile.Mandos": "se.bsnet.fukt.Mandos" })

2673

2737

class MandosDBusService(DBusObjectWithProperties):

2674

2738

"""A D-Bus proxy object"""

2739

2675

2740

def __init__(self):

2676

2741

dbus.service.Object.__init__(self, bus, "/")

2742

2677

2743

_interface = "se.recompile.Mandos"

2678

2744

2679

2745

@dbus_interface_annotations(_interface)

2680

2746

def _foo(self):

2681

return { "org.freedesktop.DBus.Property"

2682

".EmitsChangedSignal":

2683

"false"}

2747

return {

2748

"org.freedesktop.DBus.Property.EmitsChangedSignal":

2749

"false" }

2684

2750

2685

2751

@dbus.service.signal(_interface, signature="o")

2686

2752

def ClientAdded(self, objpath):

2700

2766

@dbus.service.method(_interface, out_signature="ao")

2701

2767

def GetAllClients(self):

2702

2768

"D-Bus method"

2703

return dbus.Array(c.dbus_object_path

2704

for c in

2769

return dbus.Array(c.dbus_object_path for c in

2705

2770

tcp_server.clients.itervalues())

2706

2771

2707

2772

@dbus.service.method(_interface,

2709

2774

def GetAllClientsWithProperties(self):

2710

2775

"D-Bus method"

2711

2776

return dbus.Dictionary(

2712

((c.dbus_object_path, c.GetAll(""))

2713

for c in tcp_server.clients.itervalues()),

2777

{ c.dbus_object_path: c.GetAll("")

2778

for c in tcp_server.clients.itervalues() },

2714

2779

signature="oa{sv}")

2715

2780

2716

2781

@dbus.service.method(_interface, in_signature="o")

2756

2821

# + secret.

2757

2822

exclude = { "bus", "changedstate", "secret",

2758

2823

"checker", "server_settings" }

2759

for name, typ in (inspect.getmembers

2760

(dbus.service.Object)):

2824

for name, typ in inspect.getmembers(dbus.service

2825

.Object):

2761

2826

exclude.add(name)

2762

2827

2763

2828

client_dict["encrypted_secret"] = (client

2770

2835

del client_settings[client.name]["secret"]

2771

2836

2772

2837

try:

2773

with (tempfile.NamedTemporaryFile

2774

(mode='wb', suffix=".pickle", prefix='clients-',

2775

dir=os.path.dirname(stored_state_path),

2776

delete=False)) as stored_state:

2838

with tempfile.NamedTemporaryFile(

2839

mode='wb',

2840

suffix=".pickle",

2841

prefix='clients-',

2842

dir=os.path.dirname(stored_state_path),

2843

delete=False) as stored_state:

2777

2844

pickle.dump((clients, client_settings), stored_state)

2778

tempname=stored_state.name

2845

tempname = stored_state.name

2779

2846

os.rename(tempname, stored_state_path)

2780

2847

except (IOError, OSError) as e:

2781

2848

if not debug:

2800

2867

client.disable(quiet=True)

2801

2868

if use_dbus:

2802

2869

# Emit D-Bus signal

2803

mandos_dbus_service.ClientRemoved(client

2804

.dbus_object_path,

2805

client.name)

2870

mandos_dbus_service.ClientRemoved(

2871

client.dbus_object_path, client.name)

2806

2872

client_settings.clear()

2807

2873

2808

2874

atexit.register(cleanup)

2861

2927

# Must run before the D-Bus bus name gets deregistered

2862

2928

cleanup()

2863

2929

2930

2864

2931

if __name__ == '__main__':

2865

2932

main()