/mandos/trunk : revision 24.2.1

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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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# Contact the authors at <mandos@fukt.bsnet.se>.

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#

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from __future__ import (division, absolute_import, print_function,

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unicode_literals)

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from __future__ import division, with_statement, absolute_import

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import SocketServer as socketserver

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import socket

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import argparse

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import optparse

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import datetime

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import errno

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import gnutls.crypto

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SO_BINDTODEVICE = None

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version = "1.3.0"

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version = "1.0.14"

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#logger = logging.getLogger('mandos')

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logger = logging.Logger('mandos')

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logger = logging.Logger(u'mandos')

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syslogger = (logging.handlers.SysLogHandler

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(facility = logging.handlers.SysLogHandler.LOG_DAEMON,

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address = str("/dev/log")))

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

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u' %(message)s'))

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logger.addHandler(syslogger)

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console = logging.StreamHandler()

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console.setFormatter(logging.Formatter('%(name)s [%(process)d]:'

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' %(levelname)s:'

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' %(message)s'))

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console.setFormatter(logging.Formatter(u'%(name)s [%(process)d]:'

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u' %(levelname)s:'

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u' %(message)s'))

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logger.addHandler(console)

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multiprocessing_manager = multiprocessing.Manager()

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class AvahiError(Exception):

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def __init__(self, value, *args, **kwargs):

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self.value = value

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Attributes:

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interface: integer; avahi.IF_UNSPEC or an interface index.

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Used to optionally bind to the specified interface.

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type: string; Example: '_mandos._tcp'.

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type: string; Example: u'_mandos._tcp'.

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See <http://www.dns-sd.org/ServiceTypes.html>

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port: integer; what port to announce

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TXT: list of strings; TXT record for the service

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

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protocol = avahi.PROTO_UNSPEC, bus = None):

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self.interface = interface

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self.name = name

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self.group = None # our entry group

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self.server = None

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

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u" 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 = unicode(self.server.GetAlternativeServiceName(self.name))

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

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self.name)

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raise AvahiServiceError(u"Too many renames")

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self.name = self.server.GetAlternativeServiceName(self.name)

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

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unicode(self.name))

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syslogger.setFormatter(logging.Formatter

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

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

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

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

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% self.name))

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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("DBusException: %s", error)

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self.cleanup()

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os._exit(1)

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self.add()

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self.rename_count += 1

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def remove(self):

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

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if self.entry_group_state_changed_match is not None:

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self.entry_group_state_changed_match.remove()

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self.entry_group_state_changed_match = None

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if self.group is not None:

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self.group.Reset()

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def add(self):

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

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self.remove()

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if self.group is None:

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self.group = dbus.Interface(

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self.bus.get_object(avahi.DBUS_NAME,

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self.server.EntryGroupNew()),

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avahi.DBUS_INTERFACE_ENTRY_GROUP)

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self.entry_group_state_changed_match = (

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self.group.connect_to_signal(

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'StateChanged', self .entry_group_state_changed))

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logger.debug("Adding Zeroconf service '%s' of type '%s' ...",

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self.group.connect_to_signal('StateChanged',

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self

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.entry_group_state_changed)

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logger.debug(u"Adding Zeroconf service '%s' of type '%s' ...",

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self.name, self.type)

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self.group.AddService(

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self.interface,

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self.group.Commit()

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def entry_group_state_changed(self, state, error):

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

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

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

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if state == avahi.ENTRY_GROUP_ESTABLISHED:

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logger.debug("Zeroconf service established.")

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logger.debug(u"Zeroconf service established.")

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elif state == avahi.ENTRY_GROUP_COLLISION:

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

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logger.warning(u"Zeroconf service name collision.")

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self.rename()

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

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unicode(error))

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raise AvahiGroupError("State changed: %s"

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raise AvahiGroupError(u"State changed: %s"

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% unicode(error))

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def cleanup(self):

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

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if self.group is not None:

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try:

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self.group.Free()

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except (dbus.exceptions.UnknownMethodException,

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dbus.exceptions.DBusException) as e:

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pass

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self.group.Free()

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self.group = None

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self.remove()

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

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def server_state_changed(self, state):

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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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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])

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else:

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

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self.cleanup()

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if state == avahi.SERVER_COLLISION:

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logger.error(u"Zeroconf server name collision")

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self.remove()

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elif state == avahi.SERVER_RUNNING:

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self.add()

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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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else:

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

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def activate(self):

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

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if self.server is None:

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self.server = dbus.Interface(

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self.bus.get_object(avahi.DBUS_NAME,

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avahi.DBUS_PATH_SERVER,

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follow_name_owner_changes=True),

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avahi.DBUS_PATH_SERVER),

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avahi.DBUS_INTERFACE_SERVER)

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self.server.connect_to_signal("StateChanged",

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self.server.connect_to_signal(u"StateChanged",

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self.server_state_changed)

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

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

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Attributes:

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_approved: bool(); 'None' if not yet approved/disapproved

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approval_delay: datetime.timedelta(); Time to wait for approval

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approval_duration: datetime.timedelta(); Duration of one approval

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D-Bus identifiers

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fingerprint: string (40 or 32 hexadecimal digits); used to

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uniquely identify the client

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secret: bytestring; sent verbatim (over TLS) to client

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host: string; available for use by the checker command

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created: datetime.datetime(); (UTC) object creation

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last_enabled: datetime.datetime(); (UTC)

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enabled: bool()

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

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timeout: datetime.timedelta(); How long from last_checked_ok

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until this client is disabled

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interval: datetime.timedelta(); How often to start a new checker

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disable_hook: If set, called by disable() as disable_hook(self)

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checker: subprocess.Popen(); a running checker process used

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to see if the client lives.

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'None' if no process is running.

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checker_callback_tag: a gobject event source tag, or None

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checker_command: string; External command which is run to check

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if client lives. %() expansions are done at

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checker_initiator_tag: a gobject event source tag, or None

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disable_initiator_tag: - '' -

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checker_callback_tag: - '' -

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checker_command: string; External command which is run to check if

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client lives. %() expansions are done at

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runtime with vars(self) as dict, so that for

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instance %(name)s can be used in the command.

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checker_initiator_tag: a gobject event source tag, or None

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created: datetime.datetime(); (UTC) object creation

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current_checker_command: string; current running checker_command

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disable_hook: If set, called by disable() as disable_hook(self)

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disable_initiator_tag: a gobject event source tag, or None

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enabled: bool()

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fingerprint: string (40 or 32 hexadecimal digits); used to

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uniquely identify the client

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host: string; available for use by the checker command

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interval: datetime.timedelta(); How often to start a new checker

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

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

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last_enabled: datetime.datetime(); (UTC)

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D-Bus identifiers

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secret: bytestring; sent verbatim (over TLS) to client

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timeout: datetime.timedelta(); How long from last_checked_ok

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until this client is disabled

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runtime_expansions: Allowed attributes for runtime expansion.

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approved_delay: datetime.timedelta(); Time to wait for approval

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_approved: bool(); 'None' if not yet approved/disapproved

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approved_duration: datetime.timedelta(); Duration of one approval

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"""

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runtime_expansions = ("approval_delay", "approval_duration",

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"created", "enabled", "fingerprint",

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"host", "interval", "last_checked_ok",

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

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@staticmethod

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def _timedelta_to_milliseconds(td):

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"Convert a datetime.timedelta() to milliseconds"

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"Return the 'interval' attribute in milliseconds"

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return self._timedelta_to_milliseconds(self.interval)

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def approval_delay_milliseconds(self):

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return self._timedelta_to_milliseconds(self.approval_delay)

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def approved_delay_milliseconds(self):

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return self._timedelta_to_milliseconds(self.approved_delay)

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def __init__(self, name = None, disable_hook=None, config=None):

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"""Note: the 'checker' key in 'config' sets the

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self.name = name

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if config is None:

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config = {}

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

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

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# Uppercase and remove spaces from fingerprint for later

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# comparison purposes with return value from the fingerprint()

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# function

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self.fingerprint = (config["fingerprint"].upper()

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.replace(" ", ""))

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

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if "secret" in config:

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self.secret = config["secret"].decode("base64")

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elif "secfile" in config:

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self.fingerprint = (config[u"fingerprint"].upper()

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.replace(u" ", u""))

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

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if u"secret" in config:

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self.secret = config[u"secret"].decode(u"base64")

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elif u"secfile" in config:

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with open(os.path.expanduser(os.path.expandvars

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(config["secfile"])),

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(config[u"secfile"])),

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"rb") as secfile:

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self.secret = secfile.read()

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else:

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raise TypeError("No secret or secfile for client %s"

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#XXX Need to allow secret on demand!

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raise TypeError(u"No secret or secfile for client %s"

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% self.name)

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self.host = config.get("host", "")

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self.host = config.get(u"host", u"")

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self.created = datetime.datetime.utcnow()

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self.enabled = False

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self.last_approval_request = None

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self.last_enabled = None

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self.last_checked_ok = None

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self.timeout = string_to_delta(config["timeout"])

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self.interval = string_to_delta(config["interval"])

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self.timeout = string_to_delta(config[u"timeout"])

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self.interval = string_to_delta(config[u"interval"])

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self.disable_hook = disable_hook

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self.checker = None

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self.checker_initiator_tag = None

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self.disable_initiator_tag = None

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self.checker_callback_tag = None

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self.checker_command = config["checker"]

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self.checker_command = config[u"checker"]

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self.current_checker_command = None

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self.last_connect = None

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self.approvals_pending = 0

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self._approved = None

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self.approved_by_default = config.get("approved_by_default",

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self.approved_by_default = config.get(u"approved_by_default",

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True)

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self.approvals_pending = 0

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self.approval_delay = string_to_delta(

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config["approval_delay"])

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self.approval_duration = string_to_delta(

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config["approval_duration"])

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self.approved_delay = string_to_delta(

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config[u"approved_delay"])

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self.approved_duration = string_to_delta(

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config[u"approved_duration"])

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self.changedstate = multiprocessing_manager.Condition(multiprocessing_manager.Lock())

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def send_changedstate(self):

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self.changedstate.acquire()

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self.changedstate.notify_all()

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def enable(self):

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"""Start this client's checker and timeout hooks"""

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

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

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# Already enabled

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return

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self.send_changedstate()

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if not quiet:

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self.send_changedstate()

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if not quiet:

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logger.info("Disabling client %s", self.name)

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

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logger.info(u"Disabling client %s", self.name)

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if getattr(self, u"disable_initiator_tag", False):

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gobject.source_remove(self.disable_initiator_tag)

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self.disable_initiator_tag = None

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

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if getattr(self, u"checker_initiator_tag", False):

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gobject.source_remove(self.checker_initiator_tag)

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self.checker_initiator_tag = None

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self.stop_checker()

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if os.WIFEXITED(condition):

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exitstatus = os.WEXITSTATUS(condition)

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if exitstatus == 0:

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

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

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vars(self))

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self.checked_ok()

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else:

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

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

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vars(self))

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else:

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

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

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vars(self))

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def checked_ok(self):

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(self.timeout_milliseconds(),

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self.disable))

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def need_approval(self):

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self.last_approval_request = datetime.datetime.utcnow()

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def start_checker(self):

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"""Start a new checker subprocess if one is not running.

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

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try:

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

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except (AttributeError, OSError) as error:

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except (AttributeError, OSError), error:

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if (isinstance(error, OSError)

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and error.errno != errno.ECHILD):

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raise error

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else:

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if pid:

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logger.warning("Checker was a zombie")

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logger.warning(u"Checker was a zombie")

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gobject.source_remove(self.checker_callback_tag)

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self.checker_callback(pid, status,

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self.current_checker_command)

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command = self.checker_command % self.host

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except TypeError:

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# Escape attributes for the shell

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escaped_attrs = dict(

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(attr,

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

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errors=

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'replace')))

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for attr in

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self.runtime_expansions)

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escaped_attrs = dict((key,

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re.escape(unicode(str(val),

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errors=

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u'replace')))

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for key, val in

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vars(self).iteritems())

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try:

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command = self.checker_command % escaped_attrs

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except TypeError as error:

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

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' %s', self.checker_command, error)

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except TypeError, error:

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

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u' %s', self.checker_command, error)

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return True # Try again later

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self.current_checker_command = command

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try:

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

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

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command, self.name)

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

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

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# always replaced by /dev/null.)

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self.checker = subprocess.Popen(command,

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close_fds=True,

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shell=True, cwd="/")

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shell=True, cwd=u"/")

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self.checker_callback_tag = (gobject.child_watch_add

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(self.checker.pid,

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self.checker_callback,

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if pid:

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gobject.source_remove(self.checker_callback_tag)

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self.checker_callback(pid, status, command)

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except OSError as error:

528

logger.error("Failed to start subprocess: %s",

482

except OSError, error:

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logger.error(u"Failed to start subprocess: %s",

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error)

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

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return True

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if self.checker_callback_tag:

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gobject.source_remove(self.checker_callback_tag)

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self.checker_callback_tag = None

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

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

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return

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

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

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try:

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497

os.kill(self.checker.pid, signal.SIGTERM)

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#time.sleep(0.5)

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

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# os.kill(self.checker.pid, signal.SIGKILL)

546

except OSError as error:

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except OSError, error:

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502

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

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raise

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self.checker = None

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505

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def dbus_service_property(dbus_interface, signature="v",

552

access="readwrite", byte_arrays=False):

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def dbus_service_property(dbus_interface, signature=u"v",

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access=u"readwrite", byte_arrays=False):

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"""Decorators for marking methods of a DBusObjectWithProperties to

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become properties on the D-Bus.

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510

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"""

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518

# Encoding deeply encoded byte arrays is not supported yet by the

564

519

# "Set" method, so we fail early here:

565

if byte_arrays and signature != "ay":

566

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

567

" signature %r" % signature)

520

if byte_arrays and signature != u"ay":

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

522

u" signature %r" % signature)

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523

def decorator(func):

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524

func._dbus_is_property = True

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func._dbus_interface = dbus_interface

571

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func._dbus_signature = signature

572

527

func._dbus_access = access

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func._dbus_name = func.__name__

574

if func._dbus_name.endswith("_dbus_property"):

529

if func._dbus_name.endswith(u"_dbus_property"):

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

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func._dbus_get_args_options = {'byte_arrays': byte_arrays }

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func._dbus_get_args_options = {u'byte_arrays': byte_arrays }

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return func

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return decorator

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562

608

563

@staticmethod

609

564

def _is_dbus_property(obj):

610

return getattr(obj, "_dbus_is_property", False)

565

return getattr(obj, u"_dbus_is_property", False)

611

566

612

567

def _get_all_dbus_properties(self):

613

568

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

621

576

property with the specified name and interface.

622

577

"""

623

578

for name in (property_name,

624

property_name + "_dbus_property"):

579

property_name + u"_dbus_property"):

625

580

prop = getattr(self, name, None)

626

581

if (prop is None

627

582

or not self._is_dbus_property(prop)

631

586

continue

632

587

return prop

633

588

# No such property

634

raise DBusPropertyNotFound(self.dbus_object_path + ":"

635

+ interface_name + "."

589

raise DBusPropertyNotFound(self.dbus_object_path + u":"

590

+ interface_name + u"."

636

591

+ property_name)

637

592

638

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

639

out_signature="v")

593

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

594

out_signature=u"v")

640

595

def Get(self, interface_name, property_name):

641

596

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

642

597

"""

643

598

prop = self._get_dbus_property(interface_name, property_name)

644

if prop._dbus_access == "write":

599

if prop._dbus_access == u"write":

645

600

raise DBusPropertyAccessException(property_name)

646

601

value = prop()

647

if not hasattr(value, "variant_level"):

602

if not hasattr(value, u"variant_level"):

648

603

return value

649

604

return type(value)(value, variant_level=value.variant_level+1)

650

605

651

@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ssv")

606

@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ssv")

652

607

def Set(self, interface_name, property_name, value):

653

608

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

654

609

"""

655

610

prop = self._get_dbus_property(interface_name, property_name)

656

if prop._dbus_access == "read":

611

if prop._dbus_access == u"read":

657

612

raise DBusPropertyAccessException(property_name)

658

if prop._dbus_get_args_options["byte_arrays"]:

613

if prop._dbus_get_args_options[u"byte_arrays"]:

659

614

# The byte_arrays option is not supported yet on

660

615

# signatures other than "ay".

661

if prop._dbus_signature != "ay":

616

if prop._dbus_signature != u"ay":

662

617

raise ValueError

663

618

value = dbus.ByteArray(''.join(unichr(byte)

664

619

for byte in value))

665

620

prop(value)

666

621

667

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

668

out_signature="a{sv}")

622

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

623

out_signature=u"a{sv}")

669

624

def GetAll(self, interface_name):

670

625

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

671

626

standard.

679

634

# Interface non-empty but did not match

680

635

continue

681

636

# Ignore write-only properties

682

if prop._dbus_access == "write":

637

if prop._dbus_access == u"write":

683

638

continue

684

639

value = prop()

685

if not hasattr(value, "variant_level"):

640

if not hasattr(value, u"variant_level"):

686

641

all[name] = value

687

642

continue

688

643

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

689

644

value.variant_level+1)

690

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

645

return dbus.Dictionary(all, signature=u"sv")

691

646

692

647

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

693

out_signature="s",

648

out_signature=u"s",

694

649

path_keyword='object_path',

695

650

connection_keyword='connection')

696

651

def Introspect(self, object_path, connection):

701

656

try:

702

657

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

703

658

def make_tag(document, name, prop):

704

e = document.createElement("property")

705

e.setAttribute("name", name)

706

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

707

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

659

e = document.createElement(u"property")

660

e.setAttribute(u"name", name)

661

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

662

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

708

663

return e

709

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

664

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

710

665

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

711

666

for name, prop

712

667

in self._get_all_dbus_properties()

713

668

if prop._dbus_interface

714

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

669

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

715

670

if_tag.appendChild(tag)

716

671

# Add the names to the return values for the

717

672

# "org.freedesktop.DBus.Properties" methods

718

if (if_tag.getAttribute("name")

719

== "org.freedesktop.DBus.Properties"):

720

for cn in if_tag.getElementsByTagName("method"):

721

if cn.getAttribute("name") == "Get":

722

for arg in cn.getElementsByTagName("arg"):

723

if (arg.getAttribute("direction")

724

== "out"):

725

arg.setAttribute("name", "value")

726

elif cn.getAttribute("name") == "GetAll":

727

for arg in cn.getElementsByTagName("arg"):

728

if (arg.getAttribute("direction")

729

== "out"):

730

arg.setAttribute("name", "props")

731

xmlstring = document.toxml("utf-8")

673

if (if_tag.getAttribute(u"name")

674

== u"org.freedesktop.DBus.Properties"):

675

for cn in if_tag.getElementsByTagName(u"method"):

676

if cn.getAttribute(u"name") == u"Get":

677

for arg in cn.getElementsByTagName(u"arg"):

678

if (arg.getAttribute(u"direction")

679

== u"out"):

680

arg.setAttribute(u"name", u"value")

681

elif cn.getAttribute(u"name") == u"GetAll":

682

for arg in cn.getElementsByTagName(u"arg"):

683

if (arg.getAttribute(u"direction")

684

== u"out"):

685

arg.setAttribute(u"name", u"props")

686

xmlstring = document.toxml(u"utf-8")

732

687

document.unlink()

733

688

except (AttributeError, xml.dom.DOMException,

734

xml.parsers.expat.ExpatError) as error:

735

logger.error("Failed to override Introspection method",

689

xml.parsers.expat.ExpatError), error:

690

logger.error(u"Failed to override Introspection method",

736

691

error)

737

692

return xmlstring

738

693

744

699

dbus_object_path: dbus.ObjectPath

745

700

bus: dbus.SystemBus()

746

701

"""

747

748

runtime_expansions = (Client.runtime_expansions

749

+ ("dbus_object_path",))

750

751

702

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

752

703

753

704

def __init__(self, bus = None, *args, **kwargs):

754

self._approvals_pending = 0

755

705

self.bus = bus

756

706

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

757

707

# Only now, when this client is initialized, can it show up on

758

708

# the D-Bus

759

client_object_name = unicode(self.name).translate(

760

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

761

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

762

709

self.dbus_object_path = (dbus.ObjectPath

763

("/clients/" + client_object_name))

710

(u"/clients/"

711

+ self.name.replace(u".", u"_")))

764

712

DBusObjectWithProperties.__init__(self, self.bus,

765

713

self.dbus_object_path)

766

767

def _get_approvals_pending(self):

768

return self._approvals_pending

769

def _set_approvals_pending(self, value):

770

old_value = self._approvals_pending

771

self._approvals_pending = value

772

bval = bool(value)

773

if (hasattr(self, "dbus_object_path")

774

and bval is not bool(old_value)):

775

dbus_bool = dbus.Boolean(bval, variant_level=1)

776

self.PropertyChanged(dbus.String("ApprovalPending"),

777

dbus_bool)

778

779

approvals_pending = property(_get_approvals_pending,

780

_set_approvals_pending)

781

del _get_approvals_pending, _set_approvals_pending

782

714

783

715

@staticmethod

784

716

def _datetime_to_dbus(dt, variant_level=0):

787

719

variant_level=variant_level)

788

720

789

721

def enable(self):

790

oldstate = getattr(self, "enabled", False)

722

oldstate = getattr(self, u"enabled", False)

791

723

r = Client.enable(self)

792

724

if oldstate != self.enabled:

793

725

# Emit D-Bus signals

794

self.PropertyChanged(dbus.String("Enabled"),

726

self.PropertyChanged(dbus.String(u"enabled"),

795

727

dbus.Boolean(True, variant_level=1))

796

728

self.PropertyChanged(

797

dbus.String("LastEnabled"),

729

dbus.String(u"last_enabled"),

798

730

self._datetime_to_dbus(self.last_enabled,

799

731

variant_level=1))

800

732

return r

801

733

802

734

def disable(self, quiet = False):

803

oldstate = getattr(self, "enabled", False)

735

oldstate = getattr(self, u"enabled", False)

804

736

r = Client.disable(self, quiet=quiet)

805

737

if not quiet and oldstate != self.enabled:

806

738

# Emit D-Bus signal

807

self.PropertyChanged(dbus.String("Enabled"),

739

self.PropertyChanged(dbus.String(u"enabled"),

808

740

dbus.Boolean(False, variant_level=1))

809

741

return r

810

742

813

745

self.remove_from_connection()

814

746

except LookupError:

815

747

pass

816

if hasattr(DBusObjectWithProperties, "__del__"):

748

if hasattr(DBusObjectWithProperties, u"__del__"):

817

749

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

818

750

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

819

751

822

754

self.checker_callback_tag = None

823

755

self.checker = None

824

756

# Emit D-Bus signal

825

self.PropertyChanged(dbus.String("CheckerRunning"),

757

self.PropertyChanged(dbus.String(u"checker_running"),

826

758

dbus.Boolean(False, variant_level=1))

827

759

if os.WIFEXITED(condition):

828

760

exitstatus = os.WEXITSTATUS(condition)

840

772

*args, **kwargs)

841

773

842

774

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

843

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

775

r = Client.checked_ok(self, *args, **kwargs)

844

776

# Emit D-Bus signal

845

777

self.PropertyChanged(

846

dbus.String("LastCheckedOK"),

778

dbus.String(u"last_checked_ok"),

847

779

(self._datetime_to_dbus(self.last_checked_ok,

848

780

variant_level=1)))

849

850

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

851

r = Client.need_approval(self, *args, **kwargs)

852

# Emit D-Bus signal

853

self.PropertyChanged(

854

dbus.String("LastApprovalRequest"),

855

(self._datetime_to_dbus(self.last_approval_request,

856

variant_level=1)))

857

781

return r

858

782

859

783

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

869

793

# Emit D-Bus signal

870

794

self.CheckerStarted(self.current_checker_command)

871

795

self.PropertyChanged(

872

dbus.String("CheckerRunning"),

796

dbus.String(u"checker_running"),

873

797

dbus.Boolean(True, variant_level=1))

874

798

return r

875

799

876

800

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

877

old_checker = getattr(self, "checker", None)

801

old_checker = getattr(self, u"checker", None)

878

802

r = Client.stop_checker(self, *args, **kwargs)

879

803

if (old_checker is not None

880

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

881

self.PropertyChanged(dbus.String("CheckerRunning"),

804

and getattr(self, u"checker", None) is None):

805

self.PropertyChanged(dbus.String(u"checker_running"),

882

806

dbus.Boolean(False, variant_level=1))

883

807

return r

884

808

887

811

return False

888

812

889

813

def approve(self, value=True):

890

self.send_changedstate()

891

814

self._approved = value

892

gobject.timeout_add(self._timedelta_to_milliseconds

893

(self.approval_duration),

894

self._reset_approved)

815

gobject.timeout_add(self._timedelta_to_milliseconds(self.approved_duration, self._reset_approved))

816

817

def approved_pending(self):

818

return self.approvals_pending > 0

895

819

896

820

897

821

## D-Bus methods, signals & properties

898

_interface = "se.bsnet.fukt.Mandos.Client"

822

_interface = u"se.bsnet.fukt.Mandos.Client"

899

823

900

824

## Signals

901

825

902

826

# CheckerCompleted - signal

903

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

827

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

904

828

def CheckerCompleted(self, exitcode, waitstatus, command):

905

829

"D-Bus signal"

906

830

pass

907

831

908

832

# CheckerStarted - signal

909

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

833

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

910

834

def CheckerStarted(self, command):

911

835

"D-Bus signal"

912

836

pass

913

837

914

838

# PropertyChanged - signal

915

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

839

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

916

840

def PropertyChanged(self, property, value):

917

841

"D-Bus signal"

918

842

pass

920

844

# GotSecret - signal

921

845

@dbus.service.signal(_interface)

922

846

def GotSecret(self):

923

"""D-Bus signal

924

Is sent after a successful transfer of secret from the Mandos

925

server to mandos-client

926

"""

927

pass

847

"D-Bus signal"

848

if self.approved_pending():

849

self.PropertyChanged(dbus.String(u"checker_running"),

850

dbus.Boolean(False, variant_level=1))

928

851

929

852

# Rejected - signal

930

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

853

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

931

854

def Rejected(self, reason):

932

855

"D-Bus signal"

933

pass

856

if self.approved_pending():

857

self.PropertyChanged(dbus.String(u"checker_running"),

858

dbus.Boolean(False, variant_level=1))

934

859

935

860

# NeedApproval - signal

936

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

861

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

937

862

def NeedApproval(self, timeout, default):

938

863

"D-Bus signal"

939

return self.need_approval()

864

if not self.approved_pending():

865

self.PropertyChanged(dbus.String(u"approved_pending"),

866

dbus.Boolean(True, variant_level=1))

940

867

941

868

## Methods

942

869

943

870

# Approve - method

944

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

871

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

945

872

def Approve(self, value):

946

873

self.approve(value)

947

874

948

875

# CheckedOK - method

949

876

@dbus.service.method(_interface)

950

877

def CheckedOK(self):

951

self.checked_ok()

878

return self.checked_ok()

952

879

953

880

# Enable - method

954

881

@dbus.service.method(_interface)

975

902

976

903

## Properties

977

904

978

# ApprovalPending - property

979

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

980

def ApprovalPending_dbus_property(self):

981

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

982

983

# ApprovedByDefault - property

984

@dbus_service_property(_interface, signature="b",

985

access="readwrite")

986

def ApprovedByDefault_dbus_property(self, value=None):

987

if value is None: # get

988

return dbus.Boolean(self.approved_by_default)

989

self.approved_by_default = bool(value)

990

# Emit D-Bus signal

991

self.PropertyChanged(dbus.String("ApprovedByDefault"),

992

dbus.Boolean(value, variant_level=1))

993

994

# ApprovalDelay - property

995

@dbus_service_property(_interface, signature="t",

996

access="readwrite")

997

def ApprovalDelay_dbus_property(self, value=None):

998

if value is None: # get

999

return dbus.UInt64(self.approval_delay_milliseconds())

1000

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

1001

# Emit D-Bus signal

1002

self.PropertyChanged(dbus.String("ApprovalDelay"),

1003

dbus.UInt64(value, variant_level=1))

1004

1005

# ApprovalDuration - property

1006

@dbus_service_property(_interface, signature="t",

1007

access="readwrite")

1008

def ApprovalDuration_dbus_property(self, value=None):

1009

if value is None: # get

1010

return dbus.UInt64(self._timedelta_to_milliseconds(

1011

self.approval_duration))

1012

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

1013

# Emit D-Bus signal

1014

self.PropertyChanged(dbus.String("ApprovalDuration"),

1015

dbus.UInt64(value, variant_level=1))

1016

1017

# Name - property

1018

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

1019

def Name_dbus_property(self):

905

# approved_pending - property

906

@dbus_service_property(_interface, signature=u"b", access=u"read")

907

def approved_pending_dbus_property(self):

908

return dbus.Boolean(self.approved_pending())

909

910

# approved_by_default - property

911

@dbus_service_property(_interface, signature=u"b",

912

access=u"readwrite")

913

def approved_by_default_dbus_property(self):

914

return dbus.Boolean(self.approved_by_default)

915

916

# approved_delay - property

917

@dbus_service_property(_interface, signature=u"t",

918

access=u"readwrite")

919

def approved_delay_dbus_property(self):

920

return dbus.UInt64(self.approved_delay_milliseconds())

921

922

# approved_duration - property

923

@dbus_service_property(_interface, signature=u"t",

924

access=u"readwrite")

925

def approved_duration_dbus_property(self):

926

return dbus.UInt64(self._timedelta_to_milliseconds(

927

self.approved_duration))

928

929

# name - property

930

@dbus_service_property(_interface, signature=u"s", access=u"read")

931

def name_dbus_property(self):

1020

932

return dbus.String(self.name)

1021

933

1022

# Fingerprint - property

1023

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

1024

def Fingerprint_dbus_property(self):

934

# fingerprint - property

935

@dbus_service_property(_interface, signature=u"s", access=u"read")

936

def fingerprint_dbus_property(self):

1025

937

return dbus.String(self.fingerprint)

1026

938

1027

# Host - property

1028

@dbus_service_property(_interface, signature="s",

1029

access="readwrite")

1030

def Host_dbus_property(self, value=None):

939

# host - property

940

@dbus_service_property(_interface, signature=u"s",

941

access=u"readwrite")

942

def host_dbus_property(self, value=None):

1031

943

if value is None: # get

1032

944

return dbus.String(self.host)

1033

945

self.host = value

1034

946

# Emit D-Bus signal

1035

self.PropertyChanged(dbus.String("Host"),

947

self.PropertyChanged(dbus.String(u"host"),

1036

948

dbus.String(value, variant_level=1))

1037

949

1038

# Created - property

1039

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

1040

def Created_dbus_property(self):

950

# created - property

951

@dbus_service_property(_interface, signature=u"s", access=u"read")

952

def created_dbus_property(self):

1041

953

return dbus.String(self._datetime_to_dbus(self.created))

1042

954

1043

# LastEnabled - property

1044

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

1045

def LastEnabled_dbus_property(self):

955

# last_enabled - property

956

@dbus_service_property(_interface, signature=u"s", access=u"read")

957

def last_enabled_dbus_property(self):

1046

958

if self.last_enabled is None:

1047

return dbus.String("")

959

return dbus.String(u"")

1048

960

return dbus.String(self._datetime_to_dbus(self.last_enabled))

1049

961

1050

# Enabled - property

1051

@dbus_service_property(_interface, signature="b",

1052

access="readwrite")

1053

def Enabled_dbus_property(self, value=None):

962

# enabled - property

963

@dbus_service_property(_interface, signature=u"b",

964

access=u"readwrite")

965

def enabled_dbus_property(self, value=None):

1054

966

if value is None: # get

1055

967

return dbus.Boolean(self.enabled)

1056

968

if value:

1058

970

else:

1059

971

self.disable()

1060

972

1061

# LastCheckedOK - property

1062

@dbus_service_property(_interface, signature="s",

1063

access="readwrite")

1064

def LastCheckedOK_dbus_property(self, value=None):

973

# last_checked_ok - property

974

@dbus_service_property(_interface, signature=u"s",

975

access=u"readwrite")

976

def last_checked_ok_dbus_property(self, value=None):

1065

977

if value is not None:

1066

978

self.checked_ok()

1067

979

return

1068

980

if self.last_checked_ok is None:

1069

return dbus.String("")

981

return dbus.String(u"")

1070

982

return dbus.String(self._datetime_to_dbus(self

1071

983

.last_checked_ok))

1072

984

1073

# LastApprovalRequest - property

1074

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

1075

def LastApprovalRequest_dbus_property(self):

1076

if self.last_approval_request is None:

1077

return dbus.String("")

1078

return dbus.String(self.

1079

_datetime_to_dbus(self

1080

.last_approval_request))

1081

1082

# Timeout - property

1083

@dbus_service_property(_interface, signature="t",

1084

access="readwrite")

1085

def Timeout_dbus_property(self, value=None):

985

# timeout - property

986

@dbus_service_property(_interface, signature=u"t",

987

access=u"readwrite")

988

def timeout_dbus_property(self, value=None):

1086

989

if value is None: # get

1087

990

return dbus.UInt64(self.timeout_milliseconds())

1088

991

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

1089

992

# Emit D-Bus signal

1090

self.PropertyChanged(dbus.String("Timeout"),

993

self.PropertyChanged(dbus.String(u"timeout"),

1091

994

dbus.UInt64(value, variant_level=1))

1092

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

995

if getattr(self, u"disable_initiator_tag", None) is None:

1093

996

return

1094

997

# Reschedule timeout

1095

998

gobject.source_remove(self.disable_initiator_tag)

1107

1010

self.disable_initiator_tag = (gobject.timeout_add

1108

1011

(time_to_die, self.disable))

1109

1012

1110

# Interval - property

1111

@dbus_service_property(_interface, signature="t",

1112

access="readwrite")

1113

def Interval_dbus_property(self, value=None):

1013

# interval - property

1014

@dbus_service_property(_interface, signature=u"t",

1015

access=u"readwrite")

1016

def interval_dbus_property(self, value=None):

1114

1017

if value is None: # get

1115

1018

return dbus.UInt64(self.interval_milliseconds())

1116

1019

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

1117

1020

# Emit D-Bus signal

1118

self.PropertyChanged(dbus.String("Interval"),

1021

self.PropertyChanged(dbus.String(u"interval"),

1119

1022

dbus.UInt64(value, variant_level=1))

1120

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

1023

if getattr(self, u"checker_initiator_tag", None) is None:

1121

1024

return

1122

1025

# Reschedule checker run

1123

1026

gobject.source_remove(self.checker_initiator_tag)

1125

1028

(value, self.start_checker))

1126

1029

self.start_checker() # Start one now, too

1127

1030

1128

# Checker - property

1129

@dbus_service_property(_interface, signature="s",

1130

access="readwrite")

1131

def Checker_dbus_property(self, value=None):

1031

# checker - property

1032

@dbus_service_property(_interface, signature=u"s",

1033

access=u"readwrite")

1034

def checker_dbus_property(self, value=None):

1132

1035

if value is None: # get

1133

1036

return dbus.String(self.checker_command)

1134

1037

self.checker_command = value

1135

1038

# Emit D-Bus signal

1136

self.PropertyChanged(dbus.String("Checker"),

1039

self.PropertyChanged(dbus.String(u"checker"),

1137

1040

dbus.String(self.checker_command,

1138

1041

variant_level=1))

1139

1042

1140

# CheckerRunning - property

1141

@dbus_service_property(_interface, signature="b",

1142

access="readwrite")

1143

def CheckerRunning_dbus_property(self, value=None):

1043

# checker_running - property

1044

@dbus_service_property(_interface, signature=u"b",

1045

access=u"readwrite")

1046

def checker_running_dbus_property(self, value=None):

1144

1047

if value is None: # get

1145

1048

return dbus.Boolean(self.checker is not None)

1146

1049

if value:

1148

1051

else:

1149

1052

self.stop_checker()

1150

1053

1151

# ObjectPath - property

1152

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

1153

def ObjectPath_dbus_property(self):

1054

# object_path - property

1055

@dbus_service_property(_interface, signature=u"o", access=u"read")

1056

def object_path_dbus_property(self):

1154

1057

return self.dbus_object_path # is already a dbus.ObjectPath

1155

1058

1156

# Secret = property

1157

@dbus_service_property(_interface, signature="ay",

1158

access="write", byte_arrays=True)

1159

def Secret_dbus_property(self, value):

1059

# secret = property

1060

@dbus_service_property(_interface, signature=u"ay",

1061

access=u"write", byte_arrays=True)

1062

def secret_dbus_property(self, value):

1160

1063

self.secret = str(value)

1161

1064

1162

1065

del _interface

1196

1099

1197

1100

def handle(self):

1198

1101

with contextlib.closing(self.server.child_pipe) as child_pipe:

1199

logger.info("TCP connection from: %s",

1102

logger.info(u"TCP connection from: %s",

1200

1103

unicode(self.client_address))

1201

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

1104

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

1202

1105

self.server.child_pipe.fileno())

1203

1106

1204

1107

session = (gnutls.connection

1211

1114

# no X.509 keys are added to it. Therefore, we can use it

1212

1115

# here despite using OpenPGP certificates.

1213

1116

1214

#priority = ':'.join(("NONE", "+VERS-TLS1.1",

1215

# "+AES-256-CBC", "+SHA1",

1216

# "+COMP-NULL", "+CTYPE-OPENPGP",

1217

# "+DHE-DSS"))

1117

#priority = u':'.join((u"NONE", u"+VERS-TLS1.1",

1118

# u"+AES-256-CBC", u"+SHA1",

1119

# u"+COMP-NULL", u"+CTYPE-OPENPGP",

1120

# u"+DHE-DSS"))

1218

1121

# Use a fallback default, since this MUST be set.

1219

1122

priority = self.server.gnutls_priority

1220

1123

if priority is None:

1221

priority = "NORMAL"

1124

priority = u"NORMAL"

1222

1125

(gnutls.library.functions

1223

1126

.gnutls_priority_set_direct(session._c_object,

1224

1127

priority, None))

1226

1129

# Start communication using the Mandos protocol

1227

1130

# Get protocol number

1228

1131

line = self.request.makefile().readline()

1229

logger.debug("Protocol version: %r", line)

1132

logger.debug(u"Protocol version: %r", line)

1230

1133

try:

1231

1134

if int(line.strip().split()[0]) > 1:

1232

1135

raise RuntimeError

1233

except (ValueError, IndexError, RuntimeError) as error:

1234

logger.error("Unknown protocol version: %s", error)

1136

except (ValueError, IndexError, RuntimeError), error:

1137

logger.error(u"Unknown protocol version: %s", error)

1235

1138

return

1236

1139

1237

1140

# Start GnuTLS connection

1238

1141

try:

1239

1142

session.handshake()

1240

except gnutls.errors.GNUTLSError as error:

1241

logger.warning("Handshake failed: %s", error)

1143

except gnutls.errors.GNUTLSError, error:

1144

logger.warning(u"Handshake failed: %s", error)

1242

1145

# Do not run session.bye() here: the session is not

1243

1146

# established. Just abandon the request.

1244

1147

return

1245

logger.debug("Handshake succeeded")

1148

logger.debug(u"Handshake succeeded")

1246

1149

1247

1150

approval_required = False

1248

1151

try:

1249

1152

try:

1250

1153

fpr = self.fingerprint(self.peer_certificate

1251

1154

(session))

1252

except (TypeError,

1253

gnutls.errors.GNUTLSError) as error:

1254

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

1155

except (TypeError, gnutls.errors.GNUTLSError), error:

1156

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

1255

1157

return

1256

logger.debug("Fingerprint: %s", fpr)

1158

logger.debug(u"Fingerprint: %s", fpr)

1257

1159

1258

1160

try:

1259

1161

client = ProxyClient(child_pipe, fpr,

1261

1163

except KeyError:

1262

1164

return

1263

1165

1264

if client.approval_delay:

1265

delay = client.approval_delay

1166

if client.approved_delay:

1167

delay = client.approved_delay

1266

1168

client.approvals_pending += 1

1267

1169

approval_required = True

1268

1170

1269

1171

while True:

1270

1172

if not client.enabled:

1271

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

1173

logger.warning(u"Client %s is disabled",

1272

1174

client.name)

1273

1175

if self.server.use_dbus:

1274

1176

# Emit D-Bus signal

1275

1177

client.Rejected("Disabled")

1276

1178

return

1277

1179

1278

if client._approved or not client.approval_delay:

1180

if client._approved or not client.approved_delay:

1279

1181

#We are approved or approval is disabled

1280

1182

break

1281

1183

elif client._approved is None:

1282

logger.info("Client %s needs approval",

1184

logger.info(u"Client %s need approval",

1283

1185

client.name)

1284

1186

if self.server.use_dbus:

1285

1187

# Emit D-Bus signal

1286

1188

client.NeedApproval(

1287

client.approval_delay_milliseconds(),

1189

client.approved_delay_milliseconds(),

1288

1190

client.approved_by_default)

1289

1191

else:

1290

logger.warning("Client %s was not approved",

1192

logger.warning(u"Client %s was not approved",

1291

1193

client.name)

1292

1194

if self.server.use_dbus:

1293

1195

# Emit D-Bus signal

1294

client.Rejected("Denied")

1196

client.Rejected("Disapproved")

1295

1197

return

1296

1198

1297

1199

#wait until timeout or approved

1308

1210

client.name)

1309

1211

if self.server.use_dbus:

1310

1212

# Emit D-Bus signal

1311

client.Rejected("Approval timed out")

1213

client.Rejected("Time out")

1312

1214

return

1313

1215

else:

1314

1216

break

1317

1219

1318

1220

sent_size = 0

1319

1221

while sent_size < len(client.secret):

1320

try:

1321

sent = session.send(client.secret[sent_size:])

1322

except gnutls.errors.GNUTLSError as error:

1323

logger.warning("gnutls send failed")

1324

return

1325

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

1222

# XXX handle session exception

1223

sent = session.send(client.secret[sent_size:])

1224

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

1326

1225

sent, len(client.secret)

1327

1226

- (sent_size + sent))

1328

1227

sent_size += sent

1329

1228

1330

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

1229

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

1331

1230

# bump the timeout as if seen

1332

1231

client.checked_ok()

1333

1232

if self.server.use_dbus:

1337

1236

finally:

1338

1237

if approval_required:

1339

1238

client.approvals_pending -= 1

1340

try:

1341

session.bye()

1342

except gnutls.errors.GNUTLSError as error:

1343

logger.warning("GnuTLS bye failed")

1239

session.bye()

1344

1240

1345

1241

@staticmethod

1346

1242

def peer_certificate(session):

1356

1252

.gnutls_certificate_get_peers

1357

1253

(session._c_object, ctypes.byref(list_size)))

1358

1254

if not bool(cert_list) and list_size.value != 0:

1359

raise gnutls.errors.GNUTLSError("error getting peer"

1360

" certificate")

1255

raise gnutls.errors.GNUTLSError(u"error getting peer"

1256

u" certificate")

1361

1257

if list_size.value == 0:

1362

1258

return None

1363

1259

cert = cert_list[0]

1389

1285

if crtverify.value != 0:

1390

1286

gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)

1391

1287

raise (gnutls.errors.CertificateSecurityError

1392

("Verify failed"))

1288

(u"Verify failed"))

1393

1289

# New buffer for the fingerprint

1394

1290

buf = ctypes.create_string_buffer(20)

1395

1291

buf_len = ctypes.c_size_t()

1402

1298

# Convert the buffer to a Python bytestring

1403

1299

fpr = ctypes.string_at(buf, buf_len.value)

1404

1300

# Convert the bytestring to hexadecimal notation

1405

hex_fpr = ''.join("%02X" % ord(char) for char in fpr)

1301

hex_fpr = u''.join(u"%02X" % ord(char) for char in fpr)

1406

1302

return hex_fpr

1407

1303

1408

1304

1431

1327

1432

1328

super(MultiprocessingMixInWithPipe,

1433

1329

self).process_request(request, client_address)

1434

self.child_pipe.close()

1435

1330

self.add_pipe(parent_pipe)

1436

1437

1331

def add_pipe(self, parent_pipe):

1438

1332

"""Dummy function; override as necessary"""

1439

raise NotImplementedError

1333

pass

1440

1334

1441

1335

class IPv6_TCPServer(MultiprocessingMixInWithPipe,

1442

1336

socketserver.TCPServer, object):

1460

1354

bind to an address or port if they were not specified."""

1461

1355

if self.interface is not None:

1462

1356

if SO_BINDTODEVICE is None:

1463

logger.error("SO_BINDTODEVICE does not exist;"

1464

" cannot bind to interface %s",

1357

logger.error(u"SO_BINDTODEVICE does not exist;"

1358

u" cannot bind to interface %s",

1465

1359

self.interface)

1466

1360

else:

1467

1361

try:

1468

1362

self.socket.setsockopt(socket.SOL_SOCKET,

1469

1363

SO_BINDTODEVICE,

1470

1364

str(self.interface

1471

+ '\0'))

1472

except socket.error as error:

1365

+ u'\0'))

1366

except socket.error, error:

1473

1367

if error[0] == errno.EPERM:

1474

logger.error("No permission to"

1475

" bind to interface %s",

1368

logger.error(u"No permission to"

1369

u" bind to interface %s",

1476

1370

self.interface)

1477

1371

elif error[0] == errno.ENOPROTOOPT:

1478

logger.error("SO_BINDTODEVICE not available;"

1479

" cannot bind to interface %s",

1372

logger.error(u"SO_BINDTODEVICE not available;"

1373

u" cannot bind to interface %s",

1480

1374

self.interface)

1481

1375

else:

1482

1376

raise

1484

1378

if self.server_address[0] or self.server_address[1]:

1485

1379

if not self.server_address[0]:

1486

1380

if self.address_family == socket.AF_INET6:

1487

any_address = "::" # in6addr_any

1381

any_address = u"::" # in6addr_any

1488

1382

else:

1489

1383

any_address = socket.INADDR_ANY

1490

1384

self.server_address = (any_address,

1539

1433

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

1540

1434

client_object=None):

1541

1435

condition_names = {

1542

gobject.IO_IN: "IN", # There is data to read.

1543

gobject.IO_OUT: "OUT", # Data can be written (without

1436

gobject.IO_IN: u"IN", # There is data to read.

1437

gobject.IO_OUT: u"OUT", # Data can be written (without

1544

1438

# blocking).

1545

gobject.IO_PRI: "PRI", # There is urgent data to read.

1546

gobject.IO_ERR: "ERR", # Error condition.

1547

gobject.IO_HUP: "HUP" # Hung up (the connection has been

1439

gobject.IO_PRI: u"PRI", # There is urgent data to read.

1440

gobject.IO_ERR: u"ERR", # Error condition.

1441

gobject.IO_HUP: u"HUP" # Hung up (the connection has been

1548

1442

# broken, usually for pipes and

1549

1443

# sockets).

1550

1444

}

1552

1446

for cond, name in

1553

1447

condition_names.iteritems()

1554

1448

if cond & condition)

1555

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

1556

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

1557

return False

1449

logger.debug(u"Handling IPC: FD = %d, condition = %s", source,

1450

conditions_string)

1558

1451

1559

1452

# Read a request from the child

1560

1453

request = parent_pipe.recv()

1569

1462

client = c

1570

1463

break

1571

1464

else:

1572

logger.info("Client not found for fingerprint: %s, ad"

1573

"dress: %s", fpr, address)

1465

logger.warning(u"Client not found for fingerprint: %s, ad"

1466

u"dress: %s", fpr, address)

1574

1467

if self.use_dbus:

1575

1468

# Emit D-Bus signal

1576

mandos_dbus_service.ClientNotFound(fpr, address[0])

1469

mandos_dbus_service.ClientNotFound(fpr, address)

1577

1470

parent_pipe.send(False)

1578

1471

return False

1579

1472

1598

1491

parent_pipe.send(('function',))

1599

1492

else:

1600

1493

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

1601

1494

1602

1495

if command == 'setattr':

1603

1496

attrname = request[1]

1604

1497

value = request[2]

1605

1498

setattr(client_object, attrname, value)

1606

1499

1607

1500

return True

1608

1501

1609

1502

1610

1503

def string_to_delta(interval):

1611

1504

"""Parse a string and return a datetime.timedelta

1612

1505

1613

>>> string_to_delta('7d')

1506

>>> string_to_delta(u'7d')

1614

1507

datetime.timedelta(7)

1615

>>> string_to_delta('60s')

1508

>>> string_to_delta(u'60s')

1616

1509

datetime.timedelta(0, 60)

1617

>>> string_to_delta('60m')

1510

>>> string_to_delta(u'60m')

1618

1511

datetime.timedelta(0, 3600)

1619

>>> string_to_delta('24h')

1512

>>> string_to_delta(u'24h')

1620

1513

datetime.timedelta(1)

1621

>>> string_to_delta('1w')

1514

>>> string_to_delta(u'1w')

1622

1515

datetime.timedelta(7)

1623

>>> string_to_delta('5m 30s')

1516

>>> string_to_delta(u'5m 30s')

1624

1517

datetime.timedelta(0, 330)

1625

1518

"""

1626

1519

timevalue = datetime.timedelta(0)

1628

1521

try:

1629

1522

suffix = unicode(s[-1])

1630

1523

value = int(s[:-1])

1631

if suffix == "d":

1524

if suffix == u"d":

1632

1525

delta = datetime.timedelta(value)

1633

elif suffix == "s":

1526

elif suffix == u"s":

1634

1527

delta = datetime.timedelta(0, value)

1635

elif suffix == "m":

1528

elif suffix == u"m":

1636

1529

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

1637

elif suffix == "h":

1530

elif suffix == u"h":

1638

1531

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

1639

elif suffix == "w":

1532

elif suffix == u"w":

1640

1533

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

1641

1534

else:

1642

raise ValueError("Unknown suffix %r" % suffix)

1643

except (ValueError, IndexError) as e:

1644

raise ValueError(*(e.args))

1535

raise ValueError(u"Unknown suffix %r" % suffix)

1536

except (ValueError, IndexError), e:

1537

raise ValueError(e.message)

1645

1538

timevalue += delta

1646

1539

return timevalue

1647

1540

1653

1546

global if_nametoindex

1654

1547

try:

1655

1548

if_nametoindex = (ctypes.cdll.LoadLibrary

1656

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

1549

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

1657

1550

.if_nametoindex)

1658

1551

except (OSError, AttributeError):

1659

logger.warning("Doing if_nametoindex the hard way")

1552

logger.warning(u"Doing if_nametoindex the hard way")

1660

1553

def if_nametoindex(interface):

1661

1554

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

1662

1555

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

1663

1556

with contextlib.closing(socket.socket()) as s:

1664

1557

ifreq = fcntl.ioctl(s, SIOCGIFINDEX,

1665

struct.pack(str("16s16x"),

1558

struct.pack(str(u"16s16x"),

1666

1559

interface))

1667

interface_index = struct.unpack(str("I"),

1560

interface_index = struct.unpack(str(u"I"),

1668

1561

ifreq[16:20])[0]

1669

1562

return interface_index

1670

1563

return if_nametoindex(interface)

1678

1571

sys.exit()

1679

1572

os.setsid()

1680

1573

if not nochdir:

1681

os.chdir("/")

1574

os.chdir(u"/")

1682

1575

if os.fork():

1683

1576

sys.exit()

1684

1577

if not noclose:

1686

1579

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

1687

1580

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

1688

1581

raise OSError(errno.ENODEV,

1689

"%s not a character device"

1582

u"%s not a character device"

1690

1583

% os.path.devnull)

1691

1584

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

1692

1585

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

1700

1593

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

1701

1594

# Parsing of options, both command line and config file

1702

1595

1703

parser = argparse.ArgumentParser()

1704

parser.add_argument("-v", "--version", action="version",

1705

version = "%%(prog)s %s" % version,

1706

help="show version number and exit")

1707

parser.add_argument("-i", "--interface", metavar="IF",

1708

help="Bind to interface IF")

1709

parser.add_argument("-a", "--address",

1710

help="Address to listen for requests on")

1711

parser.add_argument("-p", "--port", type=int,

1712

help="Port number to receive requests on")

1713

parser.add_argument("--check", action="store_true",

1714

help="Run self-test")

1715

parser.add_argument("--debug", action="store_true",

1716

help="Debug mode; run in foreground and log"

1717

" to terminal")

1718

parser.add_argument("--debuglevel", metavar="LEVEL",

1719

help="Debug level for stdout output")

1720

parser.add_argument("--priority", help="GnuTLS"

1721

" priority string (see GnuTLS documentation)")

1722

parser.add_argument("--servicename",

1723

metavar="NAME", help="Zeroconf service name")

1724

parser.add_argument("--configdir",

1725

default="/etc/mandos", metavar="DIR",

1726

help="Directory to search for configuration"

1727

" files")

1728

parser.add_argument("--no-dbus", action="store_false",

1729

dest="use_dbus", help="Do not provide D-Bus"

1730

" system bus interface")

1731

parser.add_argument("--no-ipv6", action="store_false",

1732

dest="use_ipv6", help="Do not use IPv6")

1733

options = parser.parse_args()

1596

parser = optparse.OptionParser(version = "%%prog %s" % version)

1597

parser.add_option("-i", u"--interface", type=u"string",

1598

metavar="IF", help=u"Bind to interface IF")

1599

parser.add_option("-a", u"--address", type=u"string",

1600

help=u"Address to listen for requests on")

1601

parser.add_option("-p", u"--port", type=u"int",

1602

help=u"Port number to receive requests on")

1603

parser.add_option("--check", action=u"store_true",

1604

help=u"Run self-test")

1605

parser.add_option("--debug", action=u"store_true",

1606

help=u"Debug mode; run in foreground and log to"

1607

u" terminal")

1608

parser.add_option("--priority", type=u"string", help=u"GnuTLS"

1609

u" priority string (see GnuTLS documentation)")

1610

parser.add_option("--servicename", type=u"string",

1611

metavar=u"NAME", help=u"Zeroconf service name")

1612

parser.add_option("--configdir", type=u"string",

1613

default=u"/etc/mandos", metavar=u"DIR",

1614

help=u"Directory to search for configuration"

1615

u" files")

1616

parser.add_option("--no-dbus", action=u"store_false",

1617

dest=u"use_dbus", help=u"Do not provide D-Bus"

1618

u" system bus interface")

1619

parser.add_option("--no-ipv6", action=u"store_false",

1620

dest=u"use_ipv6", help=u"Do not use IPv6")

1621

options = parser.parse_args()[0]

1734

1622

1735

1623

if options.check:

1736

1624

import doctest

1738

1626

sys.exit()

1739

1627

1740

1628

# Default values for config file for server-global settings

1741

server_defaults = { "interface": "",

1742

"address": "",

1743

"port": "",

1744

"debug": "False",

1745

"priority":

1746

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

1747

"servicename": "Mandos",

1748

"use_dbus": "True",

1749

"use_ipv6": "True",

1750

"debuglevel": "",

1629

server_defaults = { u"interface": u"",

1630

u"address": u"",

1631

u"port": u"",

1632

u"debug": u"False",

1633

u"priority":

1634

u"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",

1635

u"servicename": u"Mandos",

1636

u"use_dbus": u"True",

1637

u"use_ipv6": u"True",

1751

1638

}

1752

1639

1753

1640

# Parse config file for server-global settings

1754

1641

server_config = configparser.SafeConfigParser(server_defaults)

1755

1642

del server_defaults

1756

1643

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

1757

"mandos.conf"))

1644

u"mandos.conf"))

1758

1645

# Convert the SafeConfigParser object to a dict

1759

1646

server_settings = server_config.defaults()

1760

1647

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

1761

for option in ("debug", "use_dbus", "use_ipv6"):

1762

server_settings[option] = server_config.getboolean("DEFAULT",

1648

for option in (u"debug", u"use_dbus", u"use_ipv6"):

1649

server_settings[option] = server_config.getboolean(u"DEFAULT",

1763

1650

option)

1764

1651

if server_settings["port"]:

1765

server_settings["port"] = server_config.getint("DEFAULT",

1766

"port")

1652

server_settings["port"] = server_config.getint(u"DEFAULT",

1653

u"port")

1767

1654

del server_config

1768

1655

1769

1656

# Override the settings from the config file with command line

1770

1657

# options, if set.

1771

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

1772

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

1773

"use_dbus", "use_ipv6", "debuglevel"):

1658

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

1659

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

1660

u"use_dbus", u"use_ipv6"):

1774

1661

value = getattr(options, option)

1775

1662

if value is not None:

1776

1663

server_settings[option] = value

1784

1671

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

1785

1672

1786

1673

# For convenience

1787

debug = server_settings["debug"]

1788

debuglevel = server_settings["debuglevel"]

1789

use_dbus = server_settings["use_dbus"]

1790

use_ipv6 = server_settings["use_ipv6"]

1791

1792

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

1674

debug = server_settings[u"debug"]

1675

use_dbus = server_settings[u"use_dbus"]

1676

use_ipv6 = server_settings[u"use_ipv6"]

1677

1678

if not debug:

1679

syslogger.setLevel(logging.WARNING)

1680

console.setLevel(logging.WARNING)

1681

1682

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

1793

1683

syslogger.setFormatter(logging.Formatter

1794

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

1795

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

1796

% server_settings["servicename"]))

1684

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

1685

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

1686

% server_settings[u"servicename"]))

1797

1687

1798

1688

# Parse config file with clients

1799

client_defaults = { "timeout": "1h",

1800

"interval": "5m",

1801

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

1802

"host": "",

1803

"approval_delay": "0s",

1804

"approval_duration": "1s",

1689

client_defaults = { u"timeout": u"1h",

1690

u"interval": u"5m",

1691

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

1692

u"host": u"",

1693

u"approved_delay": u"0s",

1694

u"approved_duration": u"1s",

1805

1695

}

1806

1696

client_config = configparser.SafeConfigParser(client_defaults)

1807

client_config.read(os.path.join(server_settings["configdir"],

1808

"clients.conf"))

1697

client_config.read(os.path.join(server_settings[u"configdir"],

1698

u"clients.conf"))

1809

1699

1810

1700

global mandos_dbus_service

1811

1701

mandos_dbus_service = None

1812

1702

1813

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

1814

server_settings["port"]),

1703

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

1704

server_settings[u"port"]),

1815

1705

ClientHandler,

1816

interface=(server_settings["interface"]

1817

or None),

1706

interface=server_settings[u"interface"],

1818

1707

use_ipv6=use_ipv6,

1819

1708

gnutls_priority=

1820

server_settings["priority"],

1709

server_settings[u"priority"],

1821

1710

use_dbus=use_dbus)

1822

if not debug:

1823

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

1824

try:

1825

pidfile = open(pidfilename, "w")

1826

except IOError:

1827

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

1711

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

1712

try:

1713

pidfile = open(pidfilename, u"w")

1714

except IOError:

1715

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

1828

1716

1829

1717

try:

1830

uid = pwd.getpwnam("_mandos").pw_uid

1831

gid = pwd.getpwnam("_mandos").pw_gid

1718

uid = pwd.getpwnam(u"_mandos").pw_uid

1719

gid = pwd.getpwnam(u"_mandos").pw_gid

1832

1720

except KeyError:

1833

1721

try:

1834

uid = pwd.getpwnam("mandos").pw_uid

1835

gid = pwd.getpwnam("mandos").pw_gid

1722

uid = pwd.getpwnam(u"mandos").pw_uid

1723

gid = pwd.getpwnam(u"mandos").pw_gid

1836

1724

except KeyError:

1837

1725

try:

1838

uid = pwd.getpwnam("nobody").pw_uid

1839

gid = pwd.getpwnam("nobody").pw_gid

1726

uid = pwd.getpwnam(u"nobody").pw_uid

1727

gid = pwd.getpwnam(u"nobody").pw_gid

1840

1728

except KeyError:

1841

1729

uid = 65534

1842

1730

gid = 65534

1843

1731

try:

1844

1732

os.setgid(gid)

1845

1733

os.setuid(uid)

1846

except OSError as error:

1734

except OSError, error:

1847

1735

if error[0] != errno.EPERM:

1848

1736

raise error

1849

1737

1850

if not debug and not debuglevel:

1851

syslogger.setLevel(logging.WARNING)

1852

console.setLevel(logging.WARNING)

1853

if debuglevel:

1854

level = getattr(logging, debuglevel.upper())

1855

syslogger.setLevel(level)

1856

console.setLevel(level)

1857

1738

# Enable all possible GnuTLS debugging

1858

1739

if debug:

1859

# Enable all possible GnuTLS debugging

1860

1861

1740

# "Use a log level over 10 to enable all debugging options."

1862

1741

# - GnuTLS manual

1863

1742

gnutls.library.functions.gnutls_global_set_log_level(11)

1864

1743

1865

1744

@gnutls.library.types.gnutls_log_func

1866

1745

def debug_gnutls(level, string):

1867

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

1746

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

1868

1747

1869

1748

(gnutls.library.functions

1870

1749

.gnutls_global_set_log_function(debug_gnutls))

1871

1872

# Redirect stdin so all checkers get /dev/null

1873

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

1874

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

1875

if null > 2:

1876

os.close(null)

1877

else:

1878

# No console logging

1879

logger.removeHandler(console)

1880

1881

# Need to fork before connecting to D-Bus

1882

if not debug:

1883

# Close all input and output, do double fork, etc.

1884

daemon()

1885

1750

1886

1751

global main_loop

1887

1752

# From the Avahi example code

1891

1756

# End of Avahi example code

1892

1757

if use_dbus:

1893

1758

try:

1894

bus_name = dbus.service.BusName("se.bsnet.fukt.Mandos",

1759

bus_name = dbus.service.BusName(u"se.bsnet.fukt.Mandos",

1895

1760

bus, do_not_queue=True)

1896

except dbus.exceptions.NameExistsException as e:

1897

logger.error(unicode(e) + ", disabling D-Bus")

1761

except dbus.exceptions.NameExistsException, e:

1762

logger.error(unicode(e) + u", disabling D-Bus")

1898

1763

use_dbus = False

1899

server_settings["use_dbus"] = False

1764

server_settings[u"use_dbus"] = False

1900

1765

tcp_server.use_dbus = False

1901

1766

protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET

1902

service = AvahiService(name = server_settings["servicename"],

1903

servicetype = "_mandos._tcp",

1767

service = AvahiService(name = server_settings[u"servicename"],

1768

servicetype = u"_mandos._tcp",

1904

1769

protocol = protocol, bus = bus)

1905

1770

if server_settings["interface"]:

1906

1771

service.interface = (if_nametoindex

1907

(str(server_settings["interface"])))

1908

1909

global multiprocessing_manager

1910

multiprocessing_manager = multiprocessing.Manager()

1772

(str(server_settings[u"interface"])))

1911

1773

1912

1774

client_class = Client

1913

1775

if use_dbus:

1930

1792

client_config, section)))

1931

1793

for section in client_config.sections()))

1932

1794

if not tcp_server.clients:

1933

logger.warning("No clients defined")

1934

1795

logger.warning(u"No clients defined")

1796

1797

if debug:

1798

# Redirect stdin so all checkers get /dev/null

1799

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

1800

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

1801

if null > 2:

1802

os.close(null)

1803

else:

1804

# No console logging

1805

logger.removeHandler(console)

1806

# Close all input and output, do double fork, etc.

1807

daemon()

1808

1809

try:

1810

with pidfile:

1811

pid = os.getpid()

1812

pidfile.write(str(pid) + "\n")

1813

del pidfile

1814

except IOError:

1815

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

1816

pidfilename, pid)

1817

except NameError:

1818

# "pidfile" was never created

1819

pass

1820

del pidfilename

1821

1935

1822

if not debug:

1936

try:

1937

with pidfile:

1938

pid = os.getpid()

1939

pidfile.write(str(pid) + "\n".encode("utf-8"))

1940

del pidfile

1941

except IOError:

1942

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

1943

pidfilename, pid)

1944

except NameError:

1945

# "pidfile" was never created

1946

pass

1947

del pidfilename

1948

1949

1823

signal.signal(signal.SIGINT, signal.SIG_IGN)

1950

1951

1824

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

1952

1825

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

1953

1826

1955

1828

class MandosDBusService(dbus.service.Object):

1956

1829

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

1957

1830

def __init__(self):

1958

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

1959

_interface = "se.bsnet.fukt.Mandos"

1831

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

1832

_interface = u"se.bsnet.fukt.Mandos"

1960

1833

1961

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

1834

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

1962

1835

def ClientAdded(self, objpath):

1963

1836

"D-Bus signal"

1964

1837

pass

1965

1838

1966

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

1839

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

1967

1840

def ClientNotFound(self, fingerprint, address):

1968

1841

"D-Bus signal"

1969

1842

pass

1970

1843

1971

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

1844

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

1972

1845

def ClientRemoved(self, objpath, name):

1973

1846

"D-Bus signal"

1974

1847

pass

1975

1848

1976

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

1849

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

1977

1850

def GetAllClients(self):

1978

1851

"D-Bus method"

1979

1852

return dbus.Array(c.dbus_object_path

1980

1853

for c in tcp_server.clients)

1981

1854

1982

1855

@dbus.service.method(_interface,

1983

out_signature="a{oa{sv}}")

1856

out_signature=u"a{oa{sv}}")

1984

1857

def GetAllClientsWithProperties(self):

1985

1858

"D-Bus method"

1986

1859

return dbus.Dictionary(

1987

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

1860

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

1988

1861

for c in tcp_server.clients),

1989

signature="oa{sv}")

1862

signature=u"oa{sv}")

1990

1863

1991

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

1864

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

1992

1865

def RemoveClient(self, object_path):

1993

1866

"D-Bus method"

1994

1867

for c in tcp_server.clients:

2036

1909

# Find out what port we got

2037

1910

service.port = tcp_server.socket.getsockname()[1]

2038

1911

if use_ipv6:

2039

logger.info("Now listening on address %r, port %d,"

1912

logger.info(u"Now listening on address %r, port %d,"

2040

1913

" flowinfo %d, scope_id %d"

2041

1914

% tcp_server.socket.getsockname())

2042

1915

else: # IPv4

2043

logger.info("Now listening on address %r, port %d"

1916

logger.info(u"Now listening on address %r, port %d"

2044

1917

% tcp_server.socket.getsockname())

2045

1918

2046

1919

#service.interface = tcp_server.socket.getsockname()[3]

2049

1922

# From the Avahi example code

2050

1923

try:

2051

1924

service.activate()

2052

except dbus.exceptions.DBusException as error:

2053

logger.critical("DBusException: %s", error)

1925

except dbus.exceptions.DBusException, error:

1926

logger.critical(u"DBusException: %s", error)

2054

1927

cleanup()

2055

1928

sys.exit(1)

2056

1929

# End of Avahi example code

2060

1933

(tcp_server.handle_request

2061

1934

(*args[2:], **kwargs) or True))

2062

1935

2063

logger.debug("Starting main loop")

1936

logger.debug(u"Starting main loop")

2064

1937

main_loop.run()

2065

except AvahiError as error:

2066

logger.critical("AvahiError: %s", error)

1938

except AvahiError, error:

1939

logger.critical(u"AvahiError: %s", error)

2067

1940

cleanup()

2068

1941

sys.exit(1)

2069

1942

except KeyboardInterrupt:

2070

1943

if debug:

2071

print("", file=sys.stderr)

2072

logger.debug("Server received KeyboardInterrupt")

2073

logger.debug("Server exiting")

1944

print >> sys.stderr

1945

logger.debug(u"Server received KeyboardInterrupt")

1946

logger.debug(u"Server exiting")

2074

1947

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

2075

1948

cleanup()

2076

1949