/mandos/release : revision 237.7.281

1

#!/usr/bin/python

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#!/usr/bin/python2.7

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# -*- mode: python; coding: utf-8 -*-

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#

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# Mandos server - give out binary blobs to connecting clients.

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except ImportError:

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SO_BINDTODEVICE = None

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version = "1.6.2"

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if sys.version_info.major == 2:

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str = unicode

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version = "1.6.8"

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stored_state_file = "clients.pickle"

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logger = logging.getLogger()

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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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syslogger = None

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try:

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if_nametoindex = (ctypes.cdll.LoadLibrary

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

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

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ifreq = fcntl.ioctl(s, SIOCGIFINDEX,

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

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interface))

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

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ifreq[16:20])[0]

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struct.pack(b"16s16x", interface))

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interface_index = struct.unpack("I", ifreq[16:20])[0]

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return interface_index

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def initlogger(debug, level=logging.WARNING):

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"""init logger and add loglevel"""

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global syslogger

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syslogger = (logging.handlers.SysLogHandler

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(facility =

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logging.handlers.SysLogHandler.LOG_DAEMON,

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address = "/dev/log"))

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syslogger.setFormatter(logging.Formatter

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

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' %(message)s'))

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

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def __unicode__(self):

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return unicode(repr(self.value))

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

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**kwargs)

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class AvahiServiceError(AvahiError):

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pass

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" 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

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.GetAlternativeServiceName(self.name))

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self.name = str(self.server

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.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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self.remove()

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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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unicode(error))

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raise AvahiGroupError("State changed: {0!s}"

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str(error))

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

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.format(error))

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def cleanup(self):

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

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ret = AvahiService.rename(self)

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syslogger.setFormatter(logging.Formatter

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('Mandos ({0}) [%(process)d]:'

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

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

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.format(self.name)))

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return ret

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def timedelta_to_milliseconds(td):

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"Convert a datetime.timedelta() to milliseconds"

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return ((td.days * 24 * 60 * 60 * 1000)

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+ (td.seconds * 1000)

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+ (td.microseconds // 1000))

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class Client(object):

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

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"enabled": "True",

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}

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def timeout_milliseconds(self):

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"Return the 'timeout' attribute in milliseconds"

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return timedelta_to_milliseconds(self.timeout)

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def extended_timeout_milliseconds(self):

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"Return the 'extended_timeout' attribute in milliseconds"

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return timedelta_to_milliseconds(self.extended_timeout)

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def interval_milliseconds(self):

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"Return the 'interval' attribute in milliseconds"

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return timedelta_to_milliseconds(self.interval)

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def approval_delay_milliseconds(self):

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return timedelta_to_milliseconds(self.approval_delay)

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@staticmethod

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def config_parser(config):

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"""Construct a new dict of client settings of this form:

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"rb") as secfile:

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client["secret"] = secfile.read()

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else:

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raise TypeError("No secret or secfile for section {0}"

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raise TypeError("No secret or secfile for section {}"

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.format(section))

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client["timeout"] = string_to_delta(section["timeout"])

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client["extended_timeout"] = string_to_delta(

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server_settings = {}

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self.server_settings = server_settings

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# adding all client settings

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for setting, value in settings.iteritems():

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for setting, value in settings.items():

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setattr(self, setting, value)

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if self.enabled:

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if self.checker_initiator_tag is not None:

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gobject.source_remove(self.checker_initiator_tag)

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self.checker_initiator_tag = (gobject.timeout_add

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(self.interval_milliseconds(),

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(int(self.interval

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.total_seconds() * 1000),

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self.start_checker))

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

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if self.disable_initiator_tag is not None:

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gobject.source_remove(self.disable_initiator_tag)

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self.disable_initiator_tag = (gobject.timeout_add

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(self.timeout_milliseconds(),

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self.disable))

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(int(self.timeout

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.total_seconds() * 1000),

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self.disable))

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# Also start a new checker *right now*.

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self.start_checker()

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self.disable_initiator_tag = None

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

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self.disable_initiator_tag = (gobject.timeout_add

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(timedelta_to_milliseconds

670

(timeout), self.disable))

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(int(timeout.total_seconds()

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* 1000), self.disable))

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

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def need_approval(self):

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# Start a new checker if needed

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if self.checker is None:

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# Escape attributes for the shell

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escaped_attrs = dict(

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

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for attr in

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self.runtime_expansions)

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escaped_attrs = { attr:

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

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for attr in self.runtime_expansions }

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

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if byte_arrays and signature != "ay":

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

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" signature {0!r}".format(signature))

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

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def decorator(func):

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func._dbus_is_property = True

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func._dbus_interface = dbus_interface

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

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Usage:

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

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"org.freedesktop.DBus.Property."

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"EmitsChangedSignal": "false"})

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

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access="r")

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

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"org.freedesktop.DBus.Property."

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"EmitsChangedSignal": "false"})

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def Property_dbus_property(self):

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return dbus.Boolean(False)

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"""

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class DBusPropertyException(dbus.exceptions.DBusException):

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"""A base class for D-Bus property-related exceptions

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832

"""

851

def __unicode__(self):

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return unicode(str(self))

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pass

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class DBusPropertyAccessException(DBusPropertyException):

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

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If called like _is_dbus_thing("method") it returns a function

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suitable for use as predicate to inspect.getmembers().

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"""

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return lambda obj: getattr(obj, "_dbus_is_{0}".format(thing),

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return lambda obj: getattr(obj, "_dbus_is_{}".format(thing),

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False)

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def _get_all_dbus_things(self, thing):

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# signatures other than "ay".

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if prop._dbus_signature != "ay":

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

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"'ay' signature {0!r}"

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"'ay' signature {!r}"

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.format(prop._dbus_signature))

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value = dbus.ByteArray(b''.join(chr(byte)

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921

for byte in value))

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value.variant_level+1)

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

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

950

def PropertiesChanged(self, interface_name, changed_properties,

951

invalidated_properties):

952

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

953

standard.

954

"""

955

pass

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@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

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out_signature="s",

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path_keyword='object_path',

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(prop,

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"_dbus_annotations",

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{}))

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for name, value in annots.iteritems():

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for name, value in annots.items():

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ann_tag = document.createElement(

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"annotation")

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ann_tag.setAttribute("name", name)

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# Add interface annotation tags

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for annotation, value in dict(

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1005

itertools.chain.from_iterable(

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annotations().iteritems()

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annotations().items()

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for name, annotations in

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self._get_all_dbus_things("interface")

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1009

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

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)).iteritems():

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)).items():

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ann_tag = document.createElement("annotation")

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ann_tag.setAttribute("name", annotation)

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ann_tag.setAttribute("value", value)

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"""

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def wrapper(cls):

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1071

for orig_interface_name, alt_interface_name in (

1084

alt_interface_names.iteritems()):

1072

alt_interface_names.items()):

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attr = {}

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interface_names = set()

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# Go though all attributes of the class

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attribute.func_closure)))

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1193

if deprecate:

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# Deprecate all alternate interfaces

1207

iname="_AlternateDBusNames_interface_annotation{0}"

1195

iname="_AlternateDBusNames_interface_annotation{}"

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for interface_name in interface_names:

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@dbus_interface_annotations(interface_name)

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1198

def func(self):

1219

1207

if interface_names:

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1208

# Replace the class with a new subclass of it with

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1209

# methods, signals, etc. as created above.

1222

cls = type(b"{0}Alternate".format(cls.__name__),

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

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1211

(cls,), attr)

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1212

return cls

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1213

return wrapper

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1226

runtime_expansions = (Client.runtime_expansions

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1227

+ ("dbus_object_path",))

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_interface = "se.recompile.Mandos.Client"

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1241

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

1242

1232

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

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

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1236

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

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1237

# the D-Bus

1248

client_object_name = unicode(self.name).translate(

1238

client_object_name = str(self.name).translate(

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1239

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

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1240

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

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self.dbus_object_path = (dbus.ObjectPath

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1256

1246

def notifychangeproperty(transform_func,

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1247

dbus_name, type_func=lambda x: x,

1258

variant_level=1):

1248

variant_level=1, invalidate_only=False,

1249

_interface=_interface):

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1250

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

1260

1251

its changes to DBus.

1261

1252

1266

1257

to the D-Bus. Default: no transform

1267

1258

variant_level: D-Bus variant level. Default: 1

1268

1259

"""

1269

attrname = "_{0}".format(dbus_name)

1260

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

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1261

def setter(self, value):

1271

1262

if hasattr(self, "dbus_object_path"):

1272

1263

if (not hasattr(self, attrname) or

1273

1264

type_func(getattr(self, attrname, None))

1274

1265

!= type_func(value)):

1275

dbus_value = transform_func(type_func(value),

1276

variant_level

1277

=variant_level)

1278

self.PropertyChanged(dbus.String(dbus_name),

1279

dbus_value)

1266

if invalidate_only:

1267

self.PropertiesChanged(_interface,

1268

dbus.Dictionary(),

1269

dbus.Array

1270

((dbus_name,)))

1271

else:

1272

dbus_value = transform_func(type_func(value),

1273

variant_level

1274

=variant_level)

1275

self.PropertyChanged(dbus.String(dbus_name),

1276

dbus_value)

1277

self.PropertiesChanged(_interface,

1278

dbus.Dictionary({

1279

dbus.String(dbus_name):

1280

dbus_value }), dbus.Array())

1280

1281

setattr(self, attrname, value)

1281

1282

1283

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

1302

1303

approval_delay = notifychangeproperty(dbus.UInt64,

1303

1304

"ApprovalDelay",

1304

1305

type_func =

1305

timedelta_to_milliseconds)

1306

lambda td: td.total_seconds()

1307

* 1000)

1306

1308

approval_duration = notifychangeproperty(

1307

1309

dbus.UInt64, "ApprovalDuration",

1308

type_func = timedelta_to_milliseconds)

1310

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

1309

1311

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

1310

1312

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

1311

type_func =

1312

timedelta_to_milliseconds)

1313

type_func = lambda td:

1314

td.total_seconds() * 1000)

1313

1315

extended_timeout = notifychangeproperty(

1314

1316

dbus.UInt64, "ExtendedTimeout",

1315

type_func = timedelta_to_milliseconds)

1317

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

1316

1318

interval = notifychangeproperty(dbus.UInt64,

1317

1319

"Interval",

1318

1320

type_func =

1319

timedelta_to_milliseconds)

1321

lambda td: td.total_seconds()

1322

* 1000)

1320

1323

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

1324

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

1325

invalidate_only=True)

1321

1326

1322

1327

del notifychangeproperty

1323

1328

1350

1355

*args, **kwargs)

1351

1356

1352

1357

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

1353

old_checker = self.checker

1354

if self.checker is not None:

1355

old_checker_pid = self.checker.pid

1356

else:

1357

old_checker_pid = None

1358

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

1358

1359

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

1359

1360

# Only if new checker process was started

1360

1361

if (self.checker is not None

1369

1370

1371

def approve(self, value=True):

1371

1372

self.approved = value

1372

gobject.timeout_add(timedelta_to_milliseconds

1373

(self.approval_duration),

1374

self._reset_approved)

1373

gobject.timeout_add(int(self.approval_duration.total_seconds()

1374

* 1000), self._reset_approved)

1375

self.send_changedstate()

1376

1377

## D-Bus methods, signals & properties

1378

_interface = "se.recompile.Mandos.Client"

1379

1378

1380

1379

## Interfaces

1381

1380

1382

@dbus_interface_annotations(_interface)

1383

def _foo(self):

1384

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

1385

"false"}

1386

1387

1381

## Signals

1388

1382

1389

1383

# CheckerCompleted - signal

1399

1393

pass

1400

1394

1401

1395

# PropertyChanged - signal

1396

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

1402

1397

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

1403

1398

def PropertyChanged(self, property, value):

1404

1399

"D-Bus signal"

1480

1475

access="readwrite")

1481

1476

def ApprovalDelay_dbus_property(self, value=None):

1482

1477

if value is None: # get

1483

return dbus.UInt64(self.approval_delay_milliseconds())

1478

return dbus.UInt64(self.approval_delay.total_seconds()

1479

* 1000)

1484

1480

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

1485

1481

1486

1482

# ApprovalDuration - property

1488

1484

access="readwrite")

1489

1485

def ApprovalDuration_dbus_property(self, value=None):

1490

1486

if value is None: # get

1491

return dbus.UInt64(timedelta_to_milliseconds(

1492

self.approval_duration))

1487

return dbus.UInt64(self.approval_duration.total_seconds()

1488

* 1000)

1493

1489

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

1494

1490

1495

1491

# Name - property

1508

1504

def Host_dbus_property(self, value=None):

1509

1505

if value is None: # get

1510

1506

return dbus.String(self.host)

1511

self.host = unicode(value)

1507

self.host = str(value)

1512

1508

1513

1509

# Created - property

1514

1510

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

1561

1557

access="readwrite")

1562

1558

def Timeout_dbus_property(self, value=None):

1563

1559

if value is None: # get

1564

return dbus.UInt64(self.timeout_milliseconds())

1560

return dbus.UInt64(self.timeout.total_seconds() * 1000)

1565

1561

old_timeout = self.timeout

1566

1562

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

1567

1563

# Reschedule disabling

1578

1574

gobject.source_remove(self.disable_initiator_tag)

1579

1575

self.disable_initiator_tag = (

1580

1576

gobject.timeout_add(

1581

timedelta_to_milliseconds(self.expires - now),

1582

self.disable))

1577

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

1578

* 1000), self.disable))

1583

1579

1584

1580

# ExtendedTimeout - property

1585

1581

@dbus_service_property(_interface, signature="t",

1586

1582

access="readwrite")

1587

1583

def ExtendedTimeout_dbus_property(self, value=None):

1588

1584

if value is None: # get

1589

return dbus.UInt64(self.extended_timeout_milliseconds())

1585

return dbus.UInt64(self.extended_timeout.total_seconds()

1586

* 1000)

1590

1587

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

1591

1588

1592

1589

# Interval - property

1594

1591

access="readwrite")

1595

1592

def Interval_dbus_property(self, value=None):

1596

1593

if value is None: # get

1597

return dbus.UInt64(self.interval_milliseconds())

1594

return dbus.UInt64(self.interval.total_seconds() * 1000)

1598

1595

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

1599

1596

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

1600

1597

return

1611

1608

def Checker_dbus_property(self, value=None):

1612

1609

if value is None: # get

1613

1610

return dbus.String(self.checker_command)

1614

self.checker_command = unicode(value)

1611

self.checker_command = str(value)

1615

1612

1616

1613

# CheckerRunning - property

1617

1614

@dbus_service_property(_interface, signature="b",

1633

1630

@dbus_service_property(_interface, signature="ay",

1634

1631

access="write", byte_arrays=True)

1635

1632

def Secret_dbus_property(self, value):

1636

self.secret = str(value)

1633

self.secret = bytes(value)

1637

1634

1638

1635

del _interface

1639

1636

1673

1670

def handle(self):

1674

1671

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

1675

1672

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

1676

unicode(self.client_address))

1673

str(self.client_address))

1677

1674

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

1678

1675

self.server.child_pipe.fileno())

1679

1676

1760

1757

if self.server.use_dbus:

1761

1758

# Emit D-Bus signal

1762

1759

client.NeedApproval(

1763

client.approval_delay_milliseconds(),

1764

client.approved_by_default)

1760

client.approval_delay.total_seconds()

1761

* 1000, client.approved_by_default)

1765

1762

else:

1766

1763

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

1767

1764

client.name)

1773

1770

#wait until timeout or approved

1774

1771

time = datetime.datetime.now()

1775

1772

client.changedstate.acquire()

1776

client.changedstate.wait(

1777

float(timedelta_to_milliseconds(delay)

1778

/ 1000))

1773

client.changedstate.wait(delay.total_seconds())

1779

1774

client.changedstate.release()

1780

1775

time2 = datetime.datetime.now()

1781

1776

if (time2 - time) >= delay:

1980

1975

try:

1981

1976

self.socket.setsockopt(socket.SOL_SOCKET,

1982

1977

SO_BINDTODEVICE,

1983

str(self.interface + '\0'))

1978

(self.interface + "\0")

1979

.encode("utf-8"))

1984

1980

except socket.error as error:

1985

1981

if error.errno == errno.EPERM:

1986

1982

logger.error("No permission to bind to"

2189

2185

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

2190

2186

frozenset((token_year, token_month,

2191

2187

token_day, token_time,

2192

token_week))),

2188

token_week)))

2193

2189

# Define starting values

2194

2190

value = datetime.timedelta() # Value so far

2195

2191

found_token = None

2196

followers = frozenset(token_duration,) # Following valid tokens

2192

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

2197

2193

s = duration # String left to parse

2198

2194

# Loop until end token is found

2199

2195

while found_token is not token_end:

2246

2242

timevalue = datetime.timedelta(0)

2247

2243

for s in interval.split():

2248

2244

try:

2249

suffix = unicode(s[-1])

2245

suffix = s[-1]

2250

2246

value = int(s[:-1])

2251

2247

if suffix == "d":

2252

2248

delta = datetime.timedelta(value)

2259

2255

elif suffix == "w":

2260

2256

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

2261

2257

else:

2262

raise ValueError("Unknown suffix {0!r}"

2258

raise ValueError("Unknown suffix {!r}"

2263

2259

.format(suffix))

2264

2260

except IndexError as e:

2265

2261

raise ValueError(*(e.args))

2282

2278

# Close all standard open file descriptors

2283

2279

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

2284

2280

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

2285

raise OSError(errno.ENODEV,

2286

"{0} not a character device"

2281

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

2287

2282

.format(os.devnull))

2288

2283

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

2289

2284

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

2299

2294

2300

2295

parser = argparse.ArgumentParser()

2301

2296

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

2302

version = "%(prog)s {0}".format(version),

2297

version = "%(prog)s {}".format(version),

2303

2298

help="show version number and exit")

2304

2299

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

2305

2300

help="Bind to interface IF")

2338

2333

help="Directory to save/restore state in")

2339

2334

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

2340

2335

help="Run in foreground", default=None)

2336

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

2337

dest="zeroconf", help="Do not use Zeroconf",

2338

default=None)

2341

2339

2342

2340

options = parser.parse_args()

2343

2341

2344

2342

if options.check:

2345

2343

import doctest

2346

doctest.testmod()

2347

sys.exit()

2344

fail_count, test_count = doctest.testmod()

2345

sys.exit(os.EX_OK if fail_count == 0 else 1)

2348

2346

2349

2347

# Default values for config file for server-global settings

2350

2348

server_defaults = { "interface": "",

2361

2359

"socket": "",

2362

2360

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

2363

2361

"foreground": "False",

2362

"zeroconf": "True",

2364

2363

}

2365

2364

2366

2365

# Parse config file for server-global settings

2393

2392

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

2394

2393

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

2395

2394

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

2396

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

2395

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

2397

2396

value = getattr(options, option)

2398

2397

if value is not None:

2399

2398

server_settings[option] = value

2400

2399

del options

2401

2400

# Force all strings to be unicode

2402

2401

for option in server_settings.keys():

2403

if type(server_settings[option]) is str:

2404

server_settings[option] = unicode(server_settings[option])

2402

if isinstance(server_settings[option], bytes):

2403

server_settings[option] = (server_settings[option]

2404

.decode("utf-8"))

2405

# Force all boolean options to be boolean

2406

for option in ("debug", "use_dbus", "use_ipv6", "restore",

2407

"foreground"):

2407

"foreground", "zeroconf"):

2408

server_settings[option] = bool(server_settings[option])

2409

# Debug implies foreground

2410

if server_settings["debug"]:

2413

2414

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

2415

2416

if (not server_settings["zeroconf"] and

2417

not (server_settings["port"]

2418

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

2419

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

2420

" Zeroconf")

2421

2416

2422

# For convenience

2417

2423

debug = server_settings["debug"]

2418

2424

debuglevel = server_settings["debuglevel"]

2421

2427

stored_state_path = os.path.join(server_settings["statedir"],

2422

2428

stored_state_file)

2423

2429

foreground = server_settings["foreground"]

2430

zeroconf = server_settings["zeroconf"]

2424

2431

2425

2432

if debug:

2426

2433

initlogger(debug, logging.DEBUG)

2433

2440

2434

2441

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

2435

2442

syslogger.setFormatter(logging.Formatter

2436

('Mandos ({0}) [%(process)d]:'

2443

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

2437

2444

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

2438

2445

.format(server_settings

2439

2446

["servicename"])))

2447

2454

global mandos_dbus_service

2448

2455

mandos_dbus_service = None

2449

2456

2457

socketfd = None

2458

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

2459

socketfd = server_settings["socket"]

2450

2460

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

2451

2461

server_settings["port"]),

2452

2462

ClientHandler,

2456

2466

gnutls_priority=

2457

2467

server_settings["priority"],

2458

2468

use_dbus=use_dbus,

2459

socketfd=(server_settings["socket"]

2460

or None))

2469

socketfd=socketfd)

2461

2470

if not foreground:

2462

2471

pidfilename = "/run/mandos.pid"

2463

2472

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

2533

2542

use_dbus = False

2534

2543

server_settings["use_dbus"] = False

2535

2544

tcp_server.use_dbus = False

2536

protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET

2537

service = AvahiServiceToSyslog(name =

2538

server_settings["servicename"],

2539

servicetype = "_mandos._tcp",

2540

protocol = protocol, bus = bus)

2541

if server_settings["interface"]:

2542

service.interface = (if_nametoindex

2543

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

2545

if zeroconf:

2546

protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET

2547

service = AvahiServiceToSyslog(name =

2548

server_settings["servicename"],

2549

servicetype = "_mandos._tcp",

2550

protocol = protocol, bus = bus)

2551

if server_settings["interface"]:

2552

service.interface = (if_nametoindex

2553

(server_settings["interface"]

2554

.encode("utf-8")))

2544

2555

2545

2556

global multiprocessing_manager

2546

2557

multiprocessing_manager = multiprocessing.Manager()

2570

2581

os.remove(stored_state_path)

2571

2582

except IOError as e:

2572

2583

if e.errno == errno.ENOENT:

2573

logger.warning("Could not load persistent state: {0}"

2584

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

2574

2585

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

2575

2586

else:

2576

2587

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

2581

2592

"EOFError:", exc_info=e)

2582

2593

2583

2594

with PGPEngine() as pgp:

2584

for client_name, client in clients_data.iteritems():

2595

for client_name, client in clients_data.items():

2585

2596

# Skip removed clients

2586

2597

if client_name not in client_settings:

2587

2598

continue

2612

2623

if datetime.datetime.utcnow() >= client["expires"]:

2613

2624

if not client["last_checked_ok"]:

2614

2625

logger.warning(

2615

"disabling client {0} - Client never "

2626

"disabling client {} - Client never "

2616

2627

"performed a successful checker"

2617

2628

.format(client_name))

2618

2629

client["enabled"] = False

2619

2630

elif client["last_checker_status"] != 0:

2620

2631

logger.warning(

2621

"disabling client {0} - Client "

2622

"last checker failed with error code {1}"

2632

"disabling client {} - Client last"

2633

" checker failed with error code {}"

2623

2634

.format(client_name,

2624

2635

client["last_checker_status"]))

2625

2636

client["enabled"] = False

2628

2639

.utcnow()

2629

2640

+ client["timeout"])

2630

2641

logger.debug("Last checker succeeded,"

2631

" keeping {0} enabled"

2642

" keeping {} enabled"

2632

2643

.format(client_name))

2633

2644

try:

2634

2645

client["secret"] = (

2637

2648

["secret"]))

2638

2649

except PGPError:

2639

2650

# If decryption fails, we use secret from new settings

2640

logger.debug("Failed to decrypt {0} old secret"

2651

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

2641

2652

.format(client_name))

2642

2653

client["secret"] = (

2643

2654

client_settings[client_name]["secret"])

2651

2662

clients_data[client_name] = client_settings[client_name]

2652

2663

2653

2664

# Create all client objects

2654

for client_name, client in clients_data.iteritems():

2665

for client_name, client in clients_data.items():

2655

2666

tcp_server.clients[client_name] = client_class(

2656

2667

name = client_name, settings = client,

2657

2668

server_settings = server_settings)

2664

2675

try:

2665

2676

with pidfile:

2666

2677

pid = os.getpid()

2667

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

2678

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

2668

2679

except IOError:

2669

2680

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

2670

2681

pidfilename, pid)

2716

2727

def GetAllClientsWithProperties(self):

2717

2728

"D-Bus method"

2718

2729

return dbus.Dictionary(

2719

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

2720

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

2730

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

2731

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

2721

2732

signature="oa{sv}")

2722

2733

2723

2734

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

2740

2751

2741

2752

def cleanup():

2742

2753

"Cleanup function; run on exit"

2743

service.cleanup()

2754

if zeroconf:

2755

service.cleanup()

2744

2756

2745

2757

multiprocessing.active_children()

2746

2758

wnull.close()

2760

2772

2761

2773

# A list of attributes that can not be pickled

2762

2774

# + secret.

2763

exclude = set(("bus", "changedstate", "secret",

2764

"checker", "server_settings"))

2775

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

2776

"checker", "server_settings" }

2765

2777

for name, typ in (inspect.getmembers

2766

2778

(dbus.service.Object)):

2767

2779

exclude.add(name)

2790

2802

except NameError:

2791

2803

pass

2792

2804

if e.errno in (errno.ENOENT, errno.EACCES, errno.EEXIST):

2793

logger.warning("Could not save persistent state: {0}"

2805

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

2794

2806

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

2795

2807

else:

2796

2808

logger.warning("Could not save persistent state:",

2825

2837

tcp_server.server_activate()

2826

2838

2827

2839

# Find out what port we got

2828

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

2840

if zeroconf:

2841

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

2829

2842

if use_ipv6:

2830

2843

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

2831

2844

" flowinfo %d, scope_id %d",

2837

2850

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

2838

2851

2839

2852

try:

2840

# From the Avahi example code

2841

try:

2842

service.activate()

2843

except dbus.exceptions.DBusException as error:

2844

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

2845

cleanup()

2846

sys.exit(1)

2847

# End of Avahi example code

2853

if zeroconf:

2854

# From the Avahi example code

2855

try:

2856

service.activate()

2857

except dbus.exceptions.DBusException as error:

2858

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

2859

cleanup()

2860

sys.exit(1)

2861

# End of Avahi example code

2848

2862

2849

2863

gobject.io_add_watch(tcp_server.fileno(), gobject.IO_IN,

2850

2864

lambda *args, **kwargs: