85
80
except ImportError:
86
81
SO_BINDTODEVICE = None
89
stored_state_file = "clients.pickle"
91
logger = logging.getLogger()
86
#logger = logging.getLogger(u'mandos')
87
logger = logging.Logger(u'mandos')
92
88
syslogger = (logging.handlers.SysLogHandler
93
89
(facility = logging.handlers.SysLogHandler.LOG_DAEMON,
94
address = str("/dev/log")))
97
if_nametoindex = (ctypes.cdll.LoadLibrary
98
(ctypes.util.find_library("c"))
100
except (OSError, AttributeError):
101
def if_nametoindex(interface):
102
"Get an interface index the hard way, i.e. using fcntl()"
103
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
104
with contextlib.closing(socket.socket()) as s:
105
ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
106
struct.pack(str("16s16x"),
108
interface_index = struct.unpack(str("I"),
110
return interface_index
113
def initlogger(debug, level=logging.WARNING):
114
"""init logger and add loglevel"""
116
syslogger.setFormatter(logging.Formatter
117
('Mandos [%(process)d]: %(levelname)s:'
119
logger.addHandler(syslogger)
122
console = logging.StreamHandler()
123
console.setFormatter(logging.Formatter('%(asctime)s %(name)s'
127
logger.addHandler(console)
128
logger.setLevel(level)
131
class PGPError(Exception):
132
"""Exception if encryption/decryption fails"""
136
class PGPEngine(object):
137
"""A simple class for OpenPGP symmetric encryption & decryption"""
139
self.gnupg = GnuPGInterface.GnuPG()
140
self.tempdir = tempfile.mkdtemp(prefix="mandos-")
141
self.gnupg = GnuPGInterface.GnuPG()
142
self.gnupg.options.meta_interactive = False
143
self.gnupg.options.homedir = self.tempdir
144
self.gnupg.options.extra_args.extend(['--force-mdc',
151
def __exit__ (self, exc_type, exc_value, traceback):
159
if self.tempdir is not None:
160
# Delete contents of tempdir
161
for root, dirs, files in os.walk(self.tempdir,
163
for filename in files:
164
os.remove(os.path.join(root, filename))
166
os.rmdir(os.path.join(root, dirname))
168
os.rmdir(self.tempdir)
171
def password_encode(self, password):
172
# Passphrase can not be empty and can not contain newlines or
173
# NUL bytes. So we prefix it and hex encode it.
174
return b"mandos" + binascii.hexlify(password)
176
def encrypt(self, data, password):
177
self.gnupg.passphrase = self.password_encode(password)
178
with open(os.devnull) as devnull:
180
proc = self.gnupg.run(['--symmetric'],
181
create_fhs=['stdin', 'stdout'],
182
attach_fhs={'stderr': devnull})
183
with contextlib.closing(proc.handles['stdin']) as f:
185
with contextlib.closing(proc.handles['stdout']) as f:
186
ciphertext = f.read()
190
self.gnupg.passphrase = None
193
def decrypt(self, data, password):
194
self.gnupg.passphrase = self.password_encode(password)
195
with open(os.devnull) as devnull:
197
proc = self.gnupg.run(['--decrypt'],
198
create_fhs=['stdin', 'stdout'],
199
attach_fhs={'stderr': devnull})
200
with contextlib.closing(proc.handles['stdin'] ) as f:
202
with contextlib.closing(proc.handles['stdout']) as f:
203
decrypted_plaintext = f.read()
207
self.gnupg.passphrase = None
208
return decrypted_plaintext
90
address = "/dev/log"))
91
syslogger.setFormatter(logging.Formatter
92
(u'Mandos [%(process)d]: %(levelname)s:'
94
logger.addHandler(syslogger)
96
console = logging.StreamHandler()
97
console.setFormatter(logging.Formatter(u'%(name)s [%(process)d]:'
100
logger.addHandler(console)
212
102
class AvahiError(Exception):
213
103
def __init__(self, value, *args, **kwargs):
260
150
self.group = None # our entry group
261
151
self.server = None
263
self.entry_group_state_changed_match = None
264
153
def rename(self):
265
154
"""Derived from the Avahi example code"""
266
155
if self.rename_count >= self.max_renames:
267
logger.critical("No suitable Zeroconf service name found"
268
" after %i retries, exiting.",
156
logger.critical(u"No suitable Zeroconf service name found"
157
u" after %i retries, exiting.",
269
158
self.rename_count)
270
raise AvahiServiceError("Too many renames")
271
self.name = unicode(self.server
272
.GetAlternativeServiceName(self.name))
273
logger.info("Changing Zeroconf service name to %r ...",
159
raise AvahiServiceError(u"Too many renames")
160
self.name = unicode(self.server.GetAlternativeServiceName(self.name))
161
logger.info(u"Changing Zeroconf service name to %r ...",
163
syslogger.setFormatter(logging.Formatter
164
(u'Mandos (%s) [%%(process)d]:'
165
u' %%(levelname)s: %%(message)s'
278
except dbus.exceptions.DBusException as error:
279
logger.critical("DBusException: %s", error)
170
except dbus.exceptions.DBusException, error:
171
logger.critical(u"DBusException: %s", error)
282
174
self.rename_count += 1
283
175
def remove(self):
284
176
"""Derived from the Avahi example code"""
285
if self.entry_group_state_changed_match is not None:
286
self.entry_group_state_changed_match.remove()
287
self.entry_group_state_changed_match = None
288
177
if self.group is not None:
289
178
self.group.Reset()
291
180
"""Derived from the Avahi example code"""
293
181
if self.group is None:
294
182
self.group = dbus.Interface(
295
183
self.bus.get_object(avahi.DBUS_NAME,
296
184
self.server.EntryGroupNew()),
297
185
avahi.DBUS_INTERFACE_ENTRY_GROUP)
298
self.entry_group_state_changed_match = (
299
self.group.connect_to_signal(
300
'StateChanged', self.entry_group_state_changed))
301
logger.debug("Adding Zeroconf service '%s' of type '%s' ...",
186
self.group.connect_to_signal('StateChanged',
188
.entry_group_state_changed)
189
logger.debug(u"Adding Zeroconf service '%s' of type '%s' ...",
302
190
self.name, self.type)
303
191
self.group.AddService(
311
199
self.group.Commit()
312
200
def entry_group_state_changed(self, state, error):
313
201
"""Derived from the Avahi example code"""
314
logger.debug("Avahi entry group state change: %i", state)
202
logger.debug(u"Avahi entry group state change: %i", state)
316
204
if state == avahi.ENTRY_GROUP_ESTABLISHED:
317
logger.debug("Zeroconf service established.")
205
logger.debug(u"Zeroconf service established.")
318
206
elif state == avahi.ENTRY_GROUP_COLLISION:
319
logger.info("Zeroconf service name collision.")
207
logger.info(u"Zeroconf service name collision.")
321
209
elif state == avahi.ENTRY_GROUP_FAILURE:
322
logger.critical("Avahi: Error in group state changed %s",
210
logger.critical(u"Avahi: Error in group state changed %s",
324
raise AvahiGroupError("State changed: %s"
212
raise AvahiGroupError(u"State changed: %s"
325
213
% unicode(error))
326
214
def cleanup(self):
327
215
"""Derived from the Avahi example code"""
328
216
if self.group is not None:
331
except (dbus.exceptions.UnknownMethodException,
332
dbus.exceptions.DBusException):
334
218
self.group = None
336
def server_state_changed(self, state, error=None):
219
def server_state_changed(self, state):
337
220
"""Derived from the Avahi example code"""
338
logger.debug("Avahi server state change: %i", state)
339
bad_states = { avahi.SERVER_INVALID:
340
"Zeroconf server invalid",
341
avahi.SERVER_REGISTERING: None,
342
avahi.SERVER_COLLISION:
343
"Zeroconf server name collision",
344
avahi.SERVER_FAILURE:
345
"Zeroconf server failure" }
346
if state in bad_states:
347
if bad_states[state] is not None:
349
logger.error(bad_states[state])
351
logger.error(bad_states[state] + ": %r", error)
221
logger.debug(u"Avahi server state change: %i", state)
222
if state == avahi.SERVER_COLLISION:
223
logger.error(u"Zeroconf server name collision")
353
225
elif state == avahi.SERVER_RUNNING:
357
logger.debug("Unknown state: %r", state)
359
logger.debug("Unknown state: %r: %r", state, error)
360
227
def activate(self):
361
228
"""Derived from the Avahi example code"""
362
229
if self.server is None:
363
230
self.server = dbus.Interface(
364
231
self.bus.get_object(avahi.DBUS_NAME,
365
avahi.DBUS_PATH_SERVER,
366
follow_name_owner_changes=True),
232
avahi.DBUS_PATH_SERVER),
367
233
avahi.DBUS_INTERFACE_SERVER)
368
self.server.connect_to_signal("StateChanged",
234
self.server.connect_to_signal(u"StateChanged",
369
235
self.server_state_changed)
370
236
self.server_state_changed(self.server.GetState())
372
class AvahiServiceToSyslog(AvahiService):
374
"""Add the new name to the syslog messages"""
375
ret = AvahiService.rename(self)
376
syslogger.setFormatter(logging.Formatter
377
('Mandos (%s) [%%(process)d]:'
378
' %%(levelname)s: %%(message)s'
382
def timedelta_to_milliseconds(td):
383
"Convert a datetime.timedelta() to milliseconds"
384
return ((td.days * 24 * 60 * 60 * 1000)
385
+ (td.seconds * 1000)
386
+ (td.microseconds // 1000))
388
239
class Client(object):
389
240
"""A representation of a client host served by this server.
392
approved: bool(); 'None' if not yet approved/disapproved
243
_approved: bool(); 'None' if not yet approved/disapproved
393
244
approval_delay: datetime.timedelta(); Time to wait for approval
394
245
approval_duration: datetime.timedelta(); Duration of one approval
395
246
checker: subprocess.Popen(); a running checker process used
413
263
interval: datetime.timedelta(); How often to start a new checker
414
264
last_approval_request: datetime.datetime(); (UTC) or None
415
265
last_checked_ok: datetime.datetime(); (UTC) or None
416
last_checker_status: integer between 0 and 255 reflecting exit
417
status of last checker. -1 reflects crashed
419
last_enabled: datetime.datetime(); (UTC) or None
266
last_enabled: datetime.datetime(); (UTC)
420
267
name: string; from the config file, used in log messages and
421
268
D-Bus identifiers
422
269
secret: bytestring; sent verbatim (over TLS) to client
423
270
timeout: datetime.timedelta(); How long from last_checked_ok
424
271
until this client is disabled
425
extended_timeout: extra long timeout when secret has been sent
426
272
runtime_expansions: Allowed attributes for runtime expansion.
427
expires: datetime.datetime(); time (UTC) when a client will be
431
runtime_expansions = ("approval_delay", "approval_duration",
432
"created", "enabled", "fingerprint",
433
"host", "interval", "last_checked_ok",
434
"last_enabled", "name", "timeout")
435
client_defaults = { "timeout": "5m",
436
"extended_timeout": "15m",
438
"checker": "fping -q -- %%(host)s",
440
"approval_delay": "0s",
441
"approval_duration": "1s",
442
"approved_by_default": "True",
275
runtime_expansions = (u"approval_delay", u"approval_duration",
276
u"created", u"enabled", u"fingerprint",
277
u"host", u"interval", u"last_checked_ok",
278
u"last_enabled", u"name", u"timeout")
281
def _timedelta_to_milliseconds(td):
282
"Convert a datetime.timedelta() to milliseconds"
283
return ((td.days * 24 * 60 * 60 * 1000)
284
+ (td.seconds * 1000)
285
+ (td.microseconds // 1000))
446
287
def timeout_milliseconds(self):
447
288
"Return the 'timeout' attribute in milliseconds"
448
return timedelta_to_milliseconds(self.timeout)
450
def extended_timeout_milliseconds(self):
451
"Return the 'extended_timeout' attribute in milliseconds"
452
return timedelta_to_milliseconds(self.extended_timeout)
289
return self._timedelta_to_milliseconds(self.timeout)
454
291
def interval_milliseconds(self):
455
292
"Return the 'interval' attribute in milliseconds"
456
return timedelta_to_milliseconds(self.interval)
293
return self._timedelta_to_milliseconds(self.interval)
458
295
def approval_delay_milliseconds(self):
459
return timedelta_to_milliseconds(self.approval_delay)
462
def config_parser(config):
463
"""Construct a new dict of client settings of this form:
464
{ client_name: {setting_name: value, ...}, ...}
465
with exceptions for any special settings as defined above.
466
NOTE: Must be a pure function. Must return the same result
467
value given the same arguments.
470
for client_name in config.sections():
471
section = dict(config.items(client_name))
472
client = settings[client_name] = {}
474
client["host"] = section["host"]
475
# Reformat values from string types to Python types
476
client["approved_by_default"] = config.getboolean(
477
client_name, "approved_by_default")
478
client["enabled"] = config.getboolean(client_name,
481
client["fingerprint"] = (section["fingerprint"].upper()
483
if "secret" in section:
484
client["secret"] = section["secret"].decode("base64")
485
elif "secfile" in section:
486
with open(os.path.expanduser(os.path.expandvars
487
(section["secfile"])),
489
client["secret"] = secfile.read()
491
raise TypeError("No secret or secfile for section %s"
493
client["timeout"] = string_to_delta(section["timeout"])
494
client["extended_timeout"] = string_to_delta(
495
section["extended_timeout"])
496
client["interval"] = string_to_delta(section["interval"])
497
client["approval_delay"] = string_to_delta(
498
section["approval_delay"])
499
client["approval_duration"] = string_to_delta(
500
section["approval_duration"])
501
client["checker_command"] = section["checker"]
502
client["last_approval_request"] = None
503
client["last_checked_ok"] = None
504
client["last_checker_status"] = None
509
def __init__(self, settings, name = None):
296
return self._timedelta_to_milliseconds(self.approval_delay)
298
def __init__(self, name = None, disable_hook=None, config=None):
510
299
"""Note: the 'checker' key in 'config' sets the
511
300
'checker_command' attribute and *not* the 'checker'
514
# adding all client settings
515
for setting, value in settings.iteritems():
516
setattr(self, setting, value)
519
if not hasattr(self, "last_enabled"):
520
self.last_enabled = datetime.datetime.utcnow()
521
if not hasattr(self, "expires"):
522
self.expires = (datetime.datetime.utcnow()
525
self.last_enabled = None
528
logger.debug("Creating client %r", self.name)
305
logger.debug(u"Creating client %r", self.name)
529
306
# Uppercase and remove spaces from fingerprint for later
530
307
# comparison purposes with return value from the fingerprint()
532
logger.debug(" Fingerprint: %s", self.fingerprint)
533
self.created = settings.get("created",
534
datetime.datetime.utcnow())
536
# attributes specific for this server instance
309
self.fingerprint = (config[u"fingerprint"].upper()
311
logger.debug(u" Fingerprint: %s", self.fingerprint)
312
if u"secret" in config:
313
self.secret = config[u"secret"].decode(u"base64")
314
elif u"secfile" in config:
315
with open(os.path.expanduser(os.path.expandvars
316
(config[u"secfile"])),
318
self.secret = secfile.read()
320
raise TypeError(u"No secret or secfile for client %s"
322
self.host = config.get(u"host", u"")
323
self.created = datetime.datetime.utcnow()
325
self.last_approval_request = None
326
self.last_enabled = None
327
self.last_checked_ok = None
328
self.timeout = string_to_delta(config[u"timeout"])
329
self.interval = string_to_delta(config[u"interval"])
330
self.disable_hook = disable_hook
537
331
self.checker = None
538
332
self.checker_initiator_tag = None
539
333
self.disable_initiator_tag = None
540
334
self.checker_callback_tag = None
335
self.checker_command = config[u"checker"]
541
336
self.current_checker_command = None
337
self.last_connect = None
338
self._approved = None
339
self.approved_by_default = config.get(u"approved_by_default",
543
341
self.approvals_pending = 0
544
self.changedstate = (multiprocessing_manager
545
.Condition(multiprocessing_manager
547
self.client_structure = [attr for attr in
548
self.__dict__.iterkeys()
549
if not attr.startswith("_")]
550
self.client_structure.append("client_structure")
552
for name, t in inspect.getmembers(type(self),
556
if not name.startswith("_"):
557
self.client_structure.append(name)
342
self.approval_delay = string_to_delta(
343
config[u"approval_delay"])
344
self.approval_duration = string_to_delta(
345
config[u"approval_duration"])
346
self.changedstate = multiprocessing_manager.Condition(multiprocessing_manager.Lock())
559
# Send notice to process children that client state has changed
560
348
def send_changedstate(self):
561
with self.changedstate:
562
self.changedstate.notify_all()
349
self.changedstate.acquire()
350
self.changedstate.notify_all()
351
self.changedstate.release()
564
353
def enable(self):
565
354
"""Start this client's checker and timeout hooks"""
566
if getattr(self, "enabled", False):
355
if getattr(self, u"enabled", False):
567
356
# Already enabled
569
358
self.send_changedstate()
570
self.expires = datetime.datetime.utcnow() + self.timeout
572
359
self.last_enabled = datetime.datetime.utcnow()
575
def disable(self, quiet=True):
576
"""Disable this client."""
577
if not getattr(self, "enabled", False):
580
self.send_changedstate()
582
logger.info("Disabling client %s", self.name)
583
if getattr(self, "disable_initiator_tag", False):
584
gobject.source_remove(self.disable_initiator_tag)
585
self.disable_initiator_tag = None
587
if getattr(self, "checker_initiator_tag", False):
588
gobject.source_remove(self.checker_initiator_tag)
589
self.checker_initiator_tag = None
592
# Do not run this again if called by a gobject.timeout_add
598
def init_checker(self):
599
360
# Schedule a new checker to be started an 'interval' from now,
600
361
# and every interval from then on.
601
362
self.checker_initiator_tag = (gobject.timeout_add
605
366
self.disable_initiator_tag = (gobject.timeout_add
606
367
(self.timeout_milliseconds(),
608
370
# Also start a new checker *right now*.
609
371
self.start_checker()
373
def disable(self, quiet=True):
374
"""Disable this client."""
375
if not getattr(self, "enabled", False):
378
self.send_changedstate()
380
logger.info(u"Disabling client %s", self.name)
381
if getattr(self, u"disable_initiator_tag", False):
382
gobject.source_remove(self.disable_initiator_tag)
383
self.disable_initiator_tag = None
384
if getattr(self, u"checker_initiator_tag", False):
385
gobject.source_remove(self.checker_initiator_tag)
386
self.checker_initiator_tag = None
388
if self.disable_hook:
389
self.disable_hook(self)
391
# Do not run this again if called by a gobject.timeout_add
395
self.disable_hook = None
611
398
def checker_callback(self, pid, condition, command):
612
399
"""The checker has completed, so take appropriate actions."""
613
400
self.checker_callback_tag = None
614
401
self.checker = None
615
402
if os.WIFEXITED(condition):
616
self.last_checker_status = os.WEXITSTATUS(condition)
617
if self.last_checker_status == 0:
618
logger.info("Checker for %(name)s succeeded",
403
exitstatus = os.WEXITSTATUS(condition)
405
logger.info(u"Checker for %(name)s succeeded",
620
407
self.checked_ok()
622
logger.info("Checker for %(name)s failed",
409
logger.info(u"Checker for %(name)s failed",
625
self.last_checker_status = -1
626
logger.warning("Checker for %(name)s crashed?",
412
logger.warning(u"Checker for %(name)s crashed?",
629
def checked_ok(self, timeout=None):
415
def checked_ok(self):
630
416
"""Bump up the timeout for this client.
632
418
This should only be called when the client has been seen,
636
timeout = self.timeout
637
421
self.last_checked_ok = datetime.datetime.utcnow()
638
if self.disable_initiator_tag is not None:
639
gobject.source_remove(self.disable_initiator_tag)
640
if getattr(self, "enabled", False):
641
self.disable_initiator_tag = (gobject.timeout_add
642
(timedelta_to_milliseconds
643
(timeout), self.disable))
644
self.expires = datetime.datetime.utcnow() + timeout
422
gobject.source_remove(self.disable_initiator_tag)
423
self.disable_initiator_tag = (gobject.timeout_add
424
(self.timeout_milliseconds(),
646
427
def need_approval(self):
647
428
self.last_approval_request = datetime.datetime.utcnow()
801
581
def _is_dbus_property(obj):
802
return getattr(obj, "_dbus_is_property", False)
582
return getattr(obj, u"_dbus_is_property", False)
804
584
def _get_all_dbus_properties(self):
805
585
"""Returns a generator of (name, attribute) pairs
807
return ((prop.__get__(self)._dbus_name, prop.__get__(self))
808
for cls in self.__class__.__mro__
587
return ((prop._dbus_name, prop)
809
588
for name, prop in
810
inspect.getmembers(cls, self._is_dbus_property))
589
inspect.getmembers(self, self._is_dbus_property))
812
591
def _get_dbus_property(self, interface_name, property_name):
813
592
"""Returns a bound method if one exists which is a D-Bus
814
593
property with the specified name and interface.
816
for cls in self.__class__.__mro__:
817
for name, value in (inspect.getmembers
818
(cls, self._is_dbus_property)):
819
if (value._dbus_name == property_name
820
and value._dbus_interface == interface_name):
821
return value.__get__(self)
595
for name in (property_name,
596
property_name + u"_dbus_property"):
597
prop = getattr(self, name, None)
599
or not self._is_dbus_property(prop)
600
or prop._dbus_name != property_name
601
or (interface_name and prop._dbus_interface
602
and interface_name != prop._dbus_interface)):
823
605
# No such property
824
raise DBusPropertyNotFound(self.dbus_object_path + ":"
825
+ interface_name + "."
606
raise DBusPropertyNotFound(self.dbus_object_path + u":"
607
+ interface_name + u"."
828
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ss",
610
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ss",
830
612
def Get(self, interface_name, property_name):
831
613
"""Standard D-Bus property Get() method, see D-Bus standard.
833
615
prop = self._get_dbus_property(interface_name, property_name)
834
if prop._dbus_access == "write":
616
if prop._dbus_access == u"write":
835
617
raise DBusPropertyAccessException(property_name)
837
if not hasattr(value, "variant_level"):
619
if not hasattr(value, u"variant_level"):
839
621
return type(value)(value, variant_level=value.variant_level+1)
841
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ssv")
623
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ssv")
842
624
def Set(self, interface_name, property_name, value):
843
625
"""Standard D-Bus property Set() method, see D-Bus standard.
845
627
prop = self._get_dbus_property(interface_name, property_name)
846
if prop._dbus_access == "read":
628
if prop._dbus_access == u"read":
847
629
raise DBusPropertyAccessException(property_name)
848
if prop._dbus_get_args_options["byte_arrays"]:
630
if prop._dbus_get_args_options[u"byte_arrays"]:
849
631
# The byte_arrays option is not supported yet on
850
632
# signatures other than "ay".
851
if prop._dbus_signature != "ay":
633
if prop._dbus_signature != u"ay":
853
value = dbus.ByteArray(b''.join(chr(byte)
635
value = dbus.ByteArray(''.join(unichr(byte)
857
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="s",
858
out_signature="a{sv}")
639
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"s",
640
out_signature=u"a{sv}")
859
641
def GetAll(self, interface_name):
860
642
"""Standard D-Bus property GetAll() method, see D-Bus
863
645
Note: Will not include properties with access="write".
866
648
for name, prop in self._get_all_dbus_properties():
867
649
if (interface_name
868
650
and interface_name != prop._dbus_interface):
869
651
# Interface non-empty but did not match
871
653
# Ignore write-only properties
872
if prop._dbus_access == "write":
654
if prop._dbus_access == u"write":
875
if not hasattr(value, "variant_level"):
876
properties[name] = value
657
if not hasattr(value, u"variant_level"):
878
properties[name] = type(value)(value, variant_level=
879
value.variant_level+1)
880
return dbus.Dictionary(properties, signature="sv")
660
all[name] = type(value)(value, variant_level=
661
value.variant_level+1)
662
return dbus.Dictionary(all, signature=u"sv")
882
664
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
884
666
path_keyword='object_path',
885
667
connection_keyword='connection')
886
668
def Introspect(self, object_path, connection):
892
674
document = xml.dom.minidom.parseString(xmlstring)
893
675
def make_tag(document, name, prop):
894
e = document.createElement("property")
895
e.setAttribute("name", name)
896
e.setAttribute("type", prop._dbus_signature)
897
e.setAttribute("access", prop._dbus_access)
676
e = document.createElement(u"property")
677
e.setAttribute(u"name", name)
678
e.setAttribute(u"type", prop._dbus_signature)
679
e.setAttribute(u"access", prop._dbus_access)
899
for if_tag in document.getElementsByTagName("interface"):
681
for if_tag in document.getElementsByTagName(u"interface"):
900
682
for tag in (make_tag(document, name, prop)
902
684
in self._get_all_dbus_properties()
903
685
if prop._dbus_interface
904
== if_tag.getAttribute("name")):
686
== if_tag.getAttribute(u"name")):
905
687
if_tag.appendChild(tag)
906
688
# Add the names to the return values for the
907
689
# "org.freedesktop.DBus.Properties" methods
908
if (if_tag.getAttribute("name")
909
== "org.freedesktop.DBus.Properties"):
910
for cn in if_tag.getElementsByTagName("method"):
911
if cn.getAttribute("name") == "Get":
912
for arg in cn.getElementsByTagName("arg"):
913
if (arg.getAttribute("direction")
915
arg.setAttribute("name", "value")
916
elif cn.getAttribute("name") == "GetAll":
917
for arg in cn.getElementsByTagName("arg"):
918
if (arg.getAttribute("direction")
920
arg.setAttribute("name", "props")
921
xmlstring = document.toxml("utf-8")
690
if (if_tag.getAttribute(u"name")
691
== u"org.freedesktop.DBus.Properties"):
692
for cn in if_tag.getElementsByTagName(u"method"):
693
if cn.getAttribute(u"name") == u"Get":
694
for arg in cn.getElementsByTagName(u"arg"):
695
if (arg.getAttribute(u"direction")
697
arg.setAttribute(u"name", u"value")
698
elif cn.getAttribute(u"name") == u"GetAll":
699
for arg in cn.getElementsByTagName(u"arg"):
700
if (arg.getAttribute(u"direction")
702
arg.setAttribute(u"name", u"props")
703
xmlstring = document.toxml(u"utf-8")
922
704
document.unlink()
923
705
except (AttributeError, xml.dom.DOMException,
924
xml.parsers.expat.ExpatError) as error:
925
logger.error("Failed to override Introspection method",
706
xml.parsers.expat.ExpatError), error:
707
logger.error(u"Failed to override Introspection method",
930
def datetime_to_dbus (dt, variant_level=0):
931
"""Convert a UTC datetime.datetime() to a D-Bus type."""
933
return dbus.String("", variant_level = variant_level)
934
return dbus.String(dt.isoformat(),
935
variant_level=variant_level)
938
class AlternateDBusNamesMetaclass(DBusObjectWithProperties
940
"""Applied to an empty subclass of a D-Bus object, this metaclass
941
will add additional D-Bus attributes matching a certain pattern.
943
def __new__(mcs, name, bases, attr):
944
# Go through all the base classes which could have D-Bus
945
# methods, signals, or properties in them
946
for base in (b for b in bases
947
if issubclass(b, dbus.service.Object)):
948
# Go though all attributes of the base class
949
for attrname, attribute in inspect.getmembers(base):
950
# Ignore non-D-Bus attributes, and D-Bus attributes
951
# with the wrong interface name
952
if (not hasattr(attribute, "_dbus_interface")
953
or not attribute._dbus_interface
954
.startswith("se.recompile.Mandos")):
956
# Create an alternate D-Bus interface name based on
958
alt_interface = (attribute._dbus_interface
959
.replace("se.recompile.Mandos",
960
"se.bsnet.fukt.Mandos"))
961
# Is this a D-Bus signal?
962
if getattr(attribute, "_dbus_is_signal", False):
963
# Extract the original non-method function by
965
nonmethod_func = (dict(
966
zip(attribute.func_code.co_freevars,
967
attribute.__closure__))["func"]
969
# Create a new, but exactly alike, function
970
# object, and decorate it to be a new D-Bus signal
971
# with the alternate D-Bus interface name
972
new_function = (dbus.service.signal
974
attribute._dbus_signature)
976
nonmethod_func.func_code,
977
nonmethod_func.func_globals,
978
nonmethod_func.func_name,
979
nonmethod_func.func_defaults,
980
nonmethod_func.func_closure)))
981
# Define a creator of a function to call both the
982
# old and new functions, so both the old and new
983
# signals gets sent when the function is called
984
def fixscope(func1, func2):
985
"""This function is a scope container to pass
986
func1 and func2 to the "call_both" function
987
outside of its arguments"""
988
def call_both(*args, **kwargs):
989
"""This function will emit two D-Bus
990
signals by calling func1 and func2"""
991
func1(*args, **kwargs)
992
func2(*args, **kwargs)
994
# Create the "call_both" function and add it to
996
attr[attrname] = fixscope(attribute,
998
# Is this a D-Bus method?
999
elif getattr(attribute, "_dbus_is_method", False):
1000
# Create a new, but exactly alike, function
1001
# object. Decorate it to be a new D-Bus method
1002
# with the alternate D-Bus interface name. Add it
1004
attr[attrname] = (dbus.service.method
1006
attribute._dbus_in_signature,
1007
attribute._dbus_out_signature)
1009
(attribute.func_code,
1010
attribute.func_globals,
1011
attribute.func_name,
1012
attribute.func_defaults,
1013
attribute.func_closure)))
1014
# Is this a D-Bus property?
1015
elif getattr(attribute, "_dbus_is_property", False):
1016
# Create a new, but exactly alike, function
1017
# object, and decorate it to be a new D-Bus
1018
# property with the alternate D-Bus interface
1019
# name. Add it to the class.
1020
attr[attrname] = (dbus_service_property
1022
attribute._dbus_signature,
1023
attribute._dbus_access,
1025
._dbus_get_args_options
1028
(attribute.func_code,
1029
attribute.func_globals,
1030
attribute.func_name,
1031
attribute.func_defaults,
1032
attribute.func_closure)))
1033
return type.__new__(mcs, name, bases, attr)
1036
712
class ClientDBus(Client, DBusObjectWithProperties):
1037
713
"""A Client class using D-Bus
1044
720
runtime_expansions = (Client.runtime_expansions
1045
+ ("dbus_object_path",))
721
+ (u"dbus_object_path",))
1047
723
# dbus.service.Object doesn't use super(), so we can't either.
1049
725
def __init__(self, bus = None, *args, **kwargs):
726
self._approvals_pending = 0
1051
728
Client.__init__(self, *args, **kwargs)
1052
729
# Only now, when this client is initialized, can it show up on
1054
731
client_object_name = unicode(self.name).translate(
1055
{ord("."): ord("_"),
1056
ord("-"): ord("_")})
732
{ord(u"."): ord(u"_"),
733
ord(u"-"): ord(u"_")})
1057
734
self.dbus_object_path = (dbus.ObjectPath
1058
("/clients/" + client_object_name))
735
(u"/clients/" + client_object_name))
1059
736
DBusObjectWithProperties.__init__(self, self.bus,
1060
737
self.dbus_object_path)
1062
def notifychangeproperty(transform_func,
1063
dbus_name, type_func=lambda x: x,
1065
""" Modify a variable so that it's a property which announces
1066
its changes to DBus.
1068
transform_fun: Function that takes a value and a variant_level
1069
and transforms it to a D-Bus type.
1070
dbus_name: D-Bus name of the variable
1071
type_func: Function that transform the value before sending it
1072
to the D-Bus. Default: no transform
1073
variant_level: D-Bus variant level. Default: 1
1075
attrname = "_{0}".format(dbus_name)
1076
def setter(self, value):
1077
if hasattr(self, "dbus_object_path"):
1078
if (not hasattr(self, attrname) or
1079
type_func(getattr(self, attrname, None))
1080
!= type_func(value)):
1081
dbus_value = transform_func(type_func(value),
1084
self.PropertyChanged(dbus.String(dbus_name),
1086
setattr(self, attrname, value)
1088
return property(lambda self: getattr(self, attrname), setter)
1091
expires = notifychangeproperty(datetime_to_dbus, "Expires")
1092
approvals_pending = notifychangeproperty(dbus.Boolean,
1095
enabled = notifychangeproperty(dbus.Boolean, "Enabled")
1096
last_enabled = notifychangeproperty(datetime_to_dbus,
1098
checker = notifychangeproperty(dbus.Boolean, "CheckerRunning",
1099
type_func = lambda checker:
1100
checker is not None)
1101
last_checked_ok = notifychangeproperty(datetime_to_dbus,
1103
last_approval_request = notifychangeproperty(
1104
datetime_to_dbus, "LastApprovalRequest")
1105
approved_by_default = notifychangeproperty(dbus.Boolean,
1106
"ApprovedByDefault")
1107
approval_delay = notifychangeproperty(dbus.UInt64,
1110
timedelta_to_milliseconds)
1111
approval_duration = notifychangeproperty(
1112
dbus.UInt64, "ApprovalDuration",
1113
type_func = timedelta_to_milliseconds)
1114
host = notifychangeproperty(dbus.String, "Host")
1115
timeout = notifychangeproperty(dbus.UInt64, "Timeout",
1117
timedelta_to_milliseconds)
1118
extended_timeout = notifychangeproperty(
1119
dbus.UInt64, "ExtendedTimeout",
1120
type_func = timedelta_to_milliseconds)
1121
interval = notifychangeproperty(dbus.UInt64,
1124
timedelta_to_milliseconds)
1125
checker_command = notifychangeproperty(dbus.String, "Checker")
1127
del notifychangeproperty
739
def _get_approvals_pending(self):
740
return self._approvals_pending
741
def _set_approvals_pending(self, value):
742
old_value = self._approvals_pending
743
self._approvals_pending = value
745
if (hasattr(self, "dbus_object_path")
746
and bval is not bool(old_value)):
747
dbus_bool = dbus.Boolean(bval, variant_level=1)
748
self.PropertyChanged(dbus.String(u"ApprovalPending"),
751
approvals_pending = property(_get_approvals_pending,
752
_set_approvals_pending)
753
del _get_approvals_pending, _set_approvals_pending
756
def _datetime_to_dbus(dt, variant_level=0):
757
"""Convert a UTC datetime.datetime() to a D-Bus type."""
758
return dbus.String(dt.isoformat(),
759
variant_level=variant_level)
762
oldstate = getattr(self, u"enabled", False)
763
r = Client.enable(self)
764
if oldstate != self.enabled:
766
self.PropertyChanged(dbus.String(u"Enabled"),
767
dbus.Boolean(True, variant_level=1))
768
self.PropertyChanged(
769
dbus.String(u"LastEnabled"),
770
self._datetime_to_dbus(self.last_enabled,
774
def disable(self, quiet = False):
775
oldstate = getattr(self, u"enabled", False)
776
r = Client.disable(self, quiet=quiet)
777
if not quiet and oldstate != self.enabled:
779
self.PropertyChanged(dbus.String(u"Enabled"),
780
dbus.Boolean(False, variant_level=1))
1129
783
def __del__(self, *args, **kwargs):
1131
785
self.remove_from_connection()
1132
786
except LookupError:
1134
if hasattr(DBusObjectWithProperties, "__del__"):
788
if hasattr(DBusObjectWithProperties, u"__del__"):
1135
789
DBusObjectWithProperties.__del__(self, *args, **kwargs)
1136
790
Client.__del__(self, *args, **kwargs)
1166
841
and old_checker_pid != self.checker.pid):
1167
842
# Emit D-Bus signal
1168
843
self.CheckerStarted(self.current_checker_command)
844
self.PropertyChanged(
845
dbus.String(u"CheckerRunning"),
846
dbus.Boolean(True, variant_level=1))
849
def stop_checker(self, *args, **kwargs):
850
old_checker = getattr(self, u"checker", None)
851
r = Client.stop_checker(self, *args, **kwargs)
852
if (old_checker is not None
853
and getattr(self, u"checker", None) is None):
854
self.PropertyChanged(dbus.String(u"CheckerRunning"),
855
dbus.Boolean(False, variant_level=1))
1171
858
def _reset_approved(self):
1172
self.approved = None
859
self._approved = None
1175
862
def approve(self, value=True):
1176
863
self.send_changedstate()
1177
self.approved = value
1178
gobject.timeout_add(timedelta_to_milliseconds
864
self._approved = value
865
gobject.timeout_add(self._timedelta_to_milliseconds
1179
866
(self.approval_duration),
1180
867
self._reset_approved)
1183
870
## D-Bus methods, signals & properties
1184
_interface = "se.recompile.Mandos.Client"
871
_interface = u"se.bsnet.fukt.Mandos.Client"
1188
875
# CheckerCompleted - signal
1189
@dbus.service.signal(_interface, signature="nxs")
876
@dbus.service.signal(_interface, signature=u"nxs")
1190
877
def CheckerCompleted(self, exitcode, waitstatus, command):
1194
881
# CheckerStarted - signal
1195
@dbus.service.signal(_interface, signature="s")
882
@dbus.service.signal(_interface, signature=u"s")
1196
883
def CheckerStarted(self, command):
1200
887
# PropertyChanged - signal
1201
@dbus.service.signal(_interface, signature="sv")
888
@dbus.service.signal(_interface, signature=u"sv")
1202
889
def PropertyChanged(self, property, value):
1264
951
# ApprovalPending - property
1265
@dbus_service_property(_interface, signature="b", access="read")
952
@dbus_service_property(_interface, signature=u"b", access=u"read")
1266
953
def ApprovalPending_dbus_property(self):
1267
954
return dbus.Boolean(bool(self.approvals_pending))
1269
956
# ApprovedByDefault - property
1270
@dbus_service_property(_interface, signature="b",
957
@dbus_service_property(_interface, signature=u"b",
1272
959
def ApprovedByDefault_dbus_property(self, value=None):
1273
960
if value is None: # get
1274
961
return dbus.Boolean(self.approved_by_default)
1275
962
self.approved_by_default = bool(value)
964
self.PropertyChanged(dbus.String(u"ApprovedByDefault"),
965
dbus.Boolean(value, variant_level=1))
1277
967
# ApprovalDelay - property
1278
@dbus_service_property(_interface, signature="t",
968
@dbus_service_property(_interface, signature=u"t",
1280
970
def ApprovalDelay_dbus_property(self, value=None):
1281
971
if value is None: # get
1282
972
return dbus.UInt64(self.approval_delay_milliseconds())
1283
973
self.approval_delay = datetime.timedelta(0, 0, 0, value)
975
self.PropertyChanged(dbus.String(u"ApprovalDelay"),
976
dbus.UInt64(value, variant_level=1))
1285
978
# ApprovalDuration - property
1286
@dbus_service_property(_interface, signature="t",
979
@dbus_service_property(_interface, signature=u"t",
1288
981
def ApprovalDuration_dbus_property(self, value=None):
1289
982
if value is None: # get
1290
return dbus.UInt64(timedelta_to_milliseconds(
983
return dbus.UInt64(self._timedelta_to_milliseconds(
1291
984
self.approval_duration))
1292
985
self.approval_duration = datetime.timedelta(0, 0, 0, value)
987
self.PropertyChanged(dbus.String(u"ApprovalDuration"),
988
dbus.UInt64(value, variant_level=1))
1294
990
# Name - property
1295
@dbus_service_property(_interface, signature="s", access="read")
991
@dbus_service_property(_interface, signature=u"s", access=u"read")
1296
992
def Name_dbus_property(self):
1297
993
return dbus.String(self.name)
1299
995
# Fingerprint - property
1300
@dbus_service_property(_interface, signature="s", access="read")
996
@dbus_service_property(_interface, signature=u"s", access=u"read")
1301
997
def Fingerprint_dbus_property(self):
1302
998
return dbus.String(self.fingerprint)
1304
1000
# Host - property
1305
@dbus_service_property(_interface, signature="s",
1001
@dbus_service_property(_interface, signature=u"s",
1002
access=u"readwrite")
1307
1003
def Host_dbus_property(self, value=None):
1308
1004
if value is None: # get
1309
1005
return dbus.String(self.host)
1310
self.host = unicode(value)
1008
self.PropertyChanged(dbus.String(u"Host"),
1009
dbus.String(value, variant_level=1))
1312
1011
# Created - property
1313
@dbus_service_property(_interface, signature="s", access="read")
1012
@dbus_service_property(_interface, signature=u"s", access=u"read")
1314
1013
def Created_dbus_property(self):
1315
return datetime_to_dbus(self.created)
1014
return dbus.String(self._datetime_to_dbus(self.created))
1317
1016
# LastEnabled - property
1318
@dbus_service_property(_interface, signature="s", access="read")
1017
@dbus_service_property(_interface, signature=u"s", access=u"read")
1319
1018
def LastEnabled_dbus_property(self):
1320
return datetime_to_dbus(self.last_enabled)
1019
if self.last_enabled is None:
1020
return dbus.String(u"")
1021
return dbus.String(self._datetime_to_dbus(self.last_enabled))
1322
1023
# Enabled - property
1323
@dbus_service_property(_interface, signature="b",
1024
@dbus_service_property(_interface, signature=u"b",
1025
access=u"readwrite")
1325
1026
def Enabled_dbus_property(self, value=None):
1326
1027
if value is None: # get
1327
1028
return dbus.Boolean(self.enabled)
1333
1034
# LastCheckedOK - property
1334
@dbus_service_property(_interface, signature="s",
1035
@dbus_service_property(_interface, signature=u"s",
1036
access=u"readwrite")
1336
1037
def LastCheckedOK_dbus_property(self, value=None):
1337
1038
if value is not None:
1338
1039
self.checked_ok()
1340
return datetime_to_dbus(self.last_checked_ok)
1342
# Expires - property
1343
@dbus_service_property(_interface, signature="s", access="read")
1344
def Expires_dbus_property(self):
1345
return datetime_to_dbus(self.expires)
1041
if self.last_checked_ok is None:
1042
return dbus.String(u"")
1043
return dbus.String(self._datetime_to_dbus(self
1347
1046
# LastApprovalRequest - property
1348
@dbus_service_property(_interface, signature="s", access="read")
1047
@dbus_service_property(_interface, signature=u"s", access=u"read")
1349
1048
def LastApprovalRequest_dbus_property(self):
1350
return datetime_to_dbus(self.last_approval_request)
1049
if self.last_approval_request is None:
1050
return dbus.String(u"")
1051
return dbus.String(self.
1052
_datetime_to_dbus(self
1053
.last_approval_request))
1352
1055
# Timeout - property
1353
@dbus_service_property(_interface, signature="t",
1056
@dbus_service_property(_interface, signature=u"t",
1057
access=u"readwrite")
1355
1058
def Timeout_dbus_property(self, value=None):
1356
1059
if value is None: # get
1357
1060
return dbus.UInt64(self.timeout_milliseconds())
1358
1061
self.timeout = datetime.timedelta(0, 0, 0, value)
1063
self.PropertyChanged(dbus.String(u"Timeout"),
1064
dbus.UInt64(value, variant_level=1))
1065
if getattr(self, u"disable_initiator_tag", None) is None:
1359
1067
# Reschedule timeout
1361
now = datetime.datetime.utcnow()
1362
time_to_die = timedelta_to_milliseconds(
1363
(self.last_checked_ok + self.timeout) - now)
1364
if time_to_die <= 0:
1365
# The timeout has passed
1368
self.expires = (now +
1369
datetime.timedelta(milliseconds =
1371
if (getattr(self, "disable_initiator_tag", None)
1374
gobject.source_remove(self.disable_initiator_tag)
1375
self.disable_initiator_tag = (gobject.timeout_add
1379
# ExtendedTimeout - property
1380
@dbus_service_property(_interface, signature="t",
1382
def ExtendedTimeout_dbus_property(self, value=None):
1383
if value is None: # get
1384
return dbus.UInt64(self.extended_timeout_milliseconds())
1385
self.extended_timeout = datetime.timedelta(0, 0, 0, value)
1068
gobject.source_remove(self.disable_initiator_tag)
1069
self.disable_initiator_tag = None
1070
time_to_die = (self.
1071
_timedelta_to_milliseconds((self
1076
if time_to_die <= 0:
1077
# The timeout has passed
1080
self.disable_initiator_tag = (gobject.timeout_add
1081
(time_to_die, self.disable))
1387
1083
# Interval - property
1388
@dbus_service_property(_interface, signature="t",
1084
@dbus_service_property(_interface, signature=u"t",
1085
access=u"readwrite")
1390
1086
def Interval_dbus_property(self, value=None):
1391
1087
if value is None: # get
1392
1088
return dbus.UInt64(self.interval_milliseconds())
1393
1089
self.interval = datetime.timedelta(0, 0, 0, value)
1394
if getattr(self, "checker_initiator_tag", None) is None:
1091
self.PropertyChanged(dbus.String(u"Interval"),
1092
dbus.UInt64(value, variant_level=1))
1093
if getattr(self, u"checker_initiator_tag", None) is None:
1397
# Reschedule checker run
1398
gobject.source_remove(self.checker_initiator_tag)
1399
self.checker_initiator_tag = (gobject.timeout_add
1400
(value, self.start_checker))
1401
self.start_checker() # Start one now, too
1095
# Reschedule checker run
1096
gobject.source_remove(self.checker_initiator_tag)
1097
self.checker_initiator_tag = (gobject.timeout_add
1098
(value, self.start_checker))
1099
self.start_checker() # Start one now, too
1403
1101
# Checker - property
1404
@dbus_service_property(_interface, signature="s",
1102
@dbus_service_property(_interface, signature=u"s",
1103
access=u"readwrite")
1406
1104
def Checker_dbus_property(self, value=None):
1407
1105
if value is None: # get
1408
1106
return dbus.String(self.checker_command)
1409
self.checker_command = unicode(value)
1107
self.checker_command = value
1109
self.PropertyChanged(dbus.String(u"Checker"),
1110
dbus.String(self.checker_command,
1411
1113
# CheckerRunning - property
1412
@dbus_service_property(_interface, signature="b",
1114
@dbus_service_property(_interface, signature=u"b",
1115
access=u"readwrite")
1414
1116
def CheckerRunning_dbus_property(self, value=None):
1415
1117
if value is None: # get
1416
1118
return dbus.Boolean(self.checker is not None)
1472
1170
def handle(self):
1473
1171
with contextlib.closing(self.server.child_pipe) as child_pipe:
1474
logger.info("TCP connection from: %s",
1172
logger.info(u"TCP connection from: %s",
1475
1173
unicode(self.client_address))
1476
logger.debug("Pipe FD: %d",
1174
logger.debug(u"Pipe FD: %d",
1477
1175
self.server.child_pipe.fileno())
1479
1177
session = (gnutls.connection
1480
1178
.ClientSession(self.request,
1481
1179
gnutls.connection
1482
1180
.X509Credentials()))
1484
1182
# Note: gnutls.connection.X509Credentials is really a
1485
1183
# generic GnuTLS certificate credentials object so long as
1486
1184
# no X.509 keys are added to it. Therefore, we can use it
1487
1185
# here despite using OpenPGP certificates.
1489
#priority = ':'.join(("NONE", "+VERS-TLS1.1",
1490
# "+AES-256-CBC", "+SHA1",
1491
# "+COMP-NULL", "+CTYPE-OPENPGP",
1187
#priority = u':'.join((u"NONE", u"+VERS-TLS1.1",
1188
# u"+AES-256-CBC", u"+SHA1",
1189
# u"+COMP-NULL", u"+CTYPE-OPENPGP",
1493
1191
# Use a fallback default, since this MUST be set.
1494
1192
priority = self.server.gnutls_priority
1495
1193
if priority is None:
1194
priority = u"NORMAL"
1497
1195
(gnutls.library.functions
1498
1196
.gnutls_priority_set_direct(session._c_object,
1499
1197
priority, None))
1501
1199
# Start communication using the Mandos protocol
1502
1200
# Get protocol number
1503
1201
line = self.request.makefile().readline()
1504
logger.debug("Protocol version: %r", line)
1202
logger.debug(u"Protocol version: %r", line)
1506
1204
if int(line.strip().split()[0]) > 1:
1507
1205
raise RuntimeError
1508
except (ValueError, IndexError, RuntimeError) as error:
1509
logger.error("Unknown protocol version: %s", error)
1206
except (ValueError, IndexError, RuntimeError), error:
1207
logger.error(u"Unknown protocol version: %s", error)
1512
1210
# Start GnuTLS connection
1514
1212
session.handshake()
1515
except gnutls.errors.GNUTLSError as error:
1516
logger.warning("Handshake failed: %s", error)
1213
except gnutls.errors.GNUTLSError, error:
1214
logger.warning(u"Handshake failed: %s", error)
1517
1215
# Do not run session.bye() here: the session is not
1518
1216
# established. Just abandon the request.
1520
logger.debug("Handshake succeeded")
1218
logger.debug(u"Handshake succeeded")
1522
1220
approval_required = False
1525
1223
fpr = self.fingerprint(self.peer_certificate
1528
gnutls.errors.GNUTLSError) as error:
1529
logger.warning("Bad certificate: %s", error)
1225
except (TypeError, gnutls.errors.GNUTLSError), error:
1226
logger.warning(u"Bad certificate: %s", error)
1531
logger.debug("Fingerprint: %s", fpr)
1228
logger.debug(u"Fingerprint: %s", fpr)
1534
1231
client = ProxyClient(child_pipe, fpr,
1535
1232
self.client_address)
1851
1536
fpr = request[1]
1852
1537
address = request[2]
1854
for c in self.clients.itervalues():
1539
for c in self.clients:
1855
1540
if c.fingerprint == fpr:
1859
logger.info("Client not found for fingerprint: %s, ad"
1860
"dress: %s", fpr, address)
1544
logger.warning(u"Client not found for fingerprint: %s, ad"
1545
u"dress: %s", fpr, address)
1861
1546
if self.use_dbus:
1862
1547
# Emit D-Bus signal
1863
mandos_dbus_service.ClientNotFound(fpr,
1548
mandos_dbus_service.ClientNotFound(fpr, address[0])
1865
1549
parent_pipe.send(False)
1868
1552
gobject.io_add_watch(parent_pipe.fileno(),
1869
1553
gobject.IO_IN | gobject.IO_HUP,
1870
1554
functools.partial(self.handle_ipc,
1555
parent_pipe = parent_pipe,
1556
client_object = client))
1876
1557
parent_pipe.send(True)
1877
# remove the old hook in favor of the new above hook on
1558
# remove the old hook in favor of the new above hook on same fileno
1880
1560
if command == 'funcall':
1881
1561
funcname = request[1]
1882
1562
args = request[2]
1883
1563
kwargs = request[3]
1885
parent_pipe.send(('data', getattr(client_object,
1565
parent_pipe.send(('data', getattr(client_object, funcname)(*args, **kwargs)))
1889
1567
if command == 'getattr':
1890
1568
attrname = request[1]
1891
1569
if callable(client_object.__getattribute__(attrname)):
1892
1570
parent_pipe.send(('function',))
1894
parent_pipe.send(('data', client_object
1895
.__getattribute__(attrname)))
1572
parent_pipe.send(('data', client_object.__getattribute__(attrname)))
1897
1574
if command == 'setattr':
1898
1575
attrname = request[1]
1899
1576
value = request[2]
1900
1577
setattr(client_object, attrname, value)
1905
1582
def string_to_delta(interval):
1906
1583
"""Parse a string and return a datetime.timedelta
1908
>>> string_to_delta('7d')
1585
>>> string_to_delta(u'7d')
1909
1586
datetime.timedelta(7)
1910
>>> string_to_delta('60s')
1587
>>> string_to_delta(u'60s')
1911
1588
datetime.timedelta(0, 60)
1912
>>> string_to_delta('60m')
1589
>>> string_to_delta(u'60m')
1913
1590
datetime.timedelta(0, 3600)
1914
>>> string_to_delta('24h')
1591
>>> string_to_delta(u'24h')
1915
1592
datetime.timedelta(1)
1916
>>> string_to_delta('1w')
1593
>>> string_to_delta(u'1w')
1917
1594
datetime.timedelta(7)
1918
>>> string_to_delta('5m 30s')
1595
>>> string_to_delta(u'5m 30s')
1919
1596
datetime.timedelta(0, 330)
1921
1598
timevalue = datetime.timedelta(0)
1924
1601
suffix = unicode(s[-1])
1925
1602
value = int(s[:-1])
1927
1604
delta = datetime.timedelta(value)
1605
elif suffix == u"s":
1929
1606
delta = datetime.timedelta(0, value)
1607
elif suffix == u"m":
1931
1608
delta = datetime.timedelta(0, 0, 0, 0, value)
1609
elif suffix == u"h":
1933
1610
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
1611
elif suffix == u"w":
1935
1612
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
1937
raise ValueError("Unknown suffix %r" % suffix)
1938
except (ValueError, IndexError) as e:
1614
raise ValueError(u"Unknown suffix %r" % suffix)
1615
except (ValueError, IndexError), e:
1939
1616
raise ValueError(*(e.args))
1940
1617
timevalue += delta
1941
1618
return timevalue
1621
def if_nametoindex(interface):
1622
"""Call the C function if_nametoindex(), or equivalent
1624
Note: This function cannot accept a unicode string."""
1625
global if_nametoindex
1627
if_nametoindex = (ctypes.cdll.LoadLibrary
1628
(ctypes.util.find_library(u"c"))
1630
except (OSError, AttributeError):
1631
logger.warning(u"Doing if_nametoindex the hard way")
1632
def if_nametoindex(interface):
1633
"Get an interface index the hard way, i.e. using fcntl()"
1634
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
1635
with contextlib.closing(socket.socket()) as s:
1636
ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
1637
struct.pack(str(u"16s16x"),
1639
interface_index = struct.unpack(str(u"I"),
1641
return interface_index
1642
return if_nametoindex(interface)
1944
1645
def daemon(nochdir = False, noclose = False):
1945
1646
"""See daemon(3). Standard BSD Unix function.
1971
1672
##################################################################
1972
1673
# Parsing of options, both command line and config file
1974
parser = argparse.ArgumentParser()
1975
parser.add_argument("-v", "--version", action="version",
1976
version = "%%(prog)s %s" % version,
1977
help="show version number and exit")
1978
parser.add_argument("-i", "--interface", metavar="IF",
1979
help="Bind to interface IF")
1980
parser.add_argument("-a", "--address",
1981
help="Address to listen for requests on")
1982
parser.add_argument("-p", "--port", type=int,
1983
help="Port number to receive requests on")
1984
parser.add_argument("--check", action="store_true",
1985
help="Run self-test")
1986
parser.add_argument("--debug", action="store_true",
1987
help="Debug mode; run in foreground and log"
1989
parser.add_argument("--debuglevel", metavar="LEVEL",
1990
help="Debug level for stdout output")
1991
parser.add_argument("--priority", help="GnuTLS"
1992
" priority string (see GnuTLS documentation)")
1993
parser.add_argument("--servicename",
1994
metavar="NAME", help="Zeroconf service name")
1995
parser.add_argument("--configdir",
1996
default="/etc/mandos", metavar="DIR",
1997
help="Directory to search for configuration"
1999
parser.add_argument("--no-dbus", action="store_false",
2000
dest="use_dbus", help="Do not provide D-Bus"
2001
" system bus interface")
2002
parser.add_argument("--no-ipv6", action="store_false",
2003
dest="use_ipv6", help="Do not use IPv6")
2004
parser.add_argument("--no-restore", action="store_false",
2005
dest="restore", help="Do not restore stored"
2007
parser.add_argument("--statedir", metavar="DIR",
2008
help="Directory to save/restore state in")
2010
options = parser.parse_args()
1675
parser = optparse.OptionParser(version = "%%prog %s" % version)
1676
parser.add_option("-i", u"--interface", type=u"string",
1677
metavar="IF", help=u"Bind to interface IF")
1678
parser.add_option("-a", u"--address", type=u"string",
1679
help=u"Address to listen for requests on")
1680
parser.add_option("-p", u"--port", type=u"int",
1681
help=u"Port number to receive requests on")
1682
parser.add_option("--check", action=u"store_true",
1683
help=u"Run self-test")
1684
parser.add_option("--debug", action=u"store_true",
1685
help=u"Debug mode; run in foreground and log to"
1687
parser.add_option("--debuglevel", type=u"string", metavar="LEVEL",
1688
help=u"Debug level for stdout output")
1689
parser.add_option("--priority", type=u"string", help=u"GnuTLS"
1690
u" priority string (see GnuTLS documentation)")
1691
parser.add_option("--servicename", type=u"string",
1692
metavar=u"NAME", help=u"Zeroconf service name")
1693
parser.add_option("--configdir", type=u"string",
1694
default=u"/etc/mandos", metavar=u"DIR",
1695
help=u"Directory to search for configuration"
1697
parser.add_option("--no-dbus", action=u"store_false",
1698
dest=u"use_dbus", help=u"Do not provide D-Bus"
1699
u" system bus interface")
1700
parser.add_option("--no-ipv6", action=u"store_false",
1701
dest=u"use_ipv6", help=u"Do not use IPv6")
1702
options = parser.parse_args()[0]
2012
1704
if options.check:
2017
1709
# Default values for config file for server-global settings
2018
server_defaults = { "interface": "",
2023
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
2024
"servicename": "Mandos",
2029
"statedir": "/var/lib/mandos"
1710
server_defaults = { u"interface": u"",
1715
u"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
1716
u"servicename": u"Mandos",
1717
u"use_dbus": u"True",
1718
u"use_ipv6": u"True",
2032
1722
# Parse config file for server-global settings
2033
1723
server_config = configparser.SafeConfigParser(server_defaults)
2034
1724
del server_defaults
2035
1725
server_config.read(os.path.join(options.configdir,
2037
1727
# Convert the SafeConfigParser object to a dict
2038
1728
server_settings = server_config.defaults()
2039
1729
# Use the appropriate methods on the non-string config options
2040
for option in ("debug", "use_dbus", "use_ipv6"):
2041
server_settings[option] = server_config.getboolean("DEFAULT",
1730
for option in (u"debug", u"use_dbus", u"use_ipv6"):
1731
server_settings[option] = server_config.getboolean(u"DEFAULT",
2043
1733
if server_settings["port"]:
2044
server_settings["port"] = server_config.getint("DEFAULT",
1734
server_settings["port"] = server_config.getint(u"DEFAULT",
2046
1736
del server_config
2048
1738
# Override the settings from the config file with command line
2049
1739
# options, if set.
2050
for option in ("interface", "address", "port", "debug",
2051
"priority", "servicename", "configdir",
2052
"use_dbus", "use_ipv6", "debuglevel", "restore",
1740
for option in (u"interface", u"address", u"port", u"debug",
1741
u"priority", u"servicename", u"configdir",
1742
u"use_dbus", u"use_ipv6", u"debuglevel"):
2054
1743
value = getattr(options, option)
2055
1744
if value is not None:
2056
1745
server_settings[option] = value
2064
1753
##################################################################
2066
1755
# For convenience
2067
debug = server_settings["debug"]
2068
debuglevel = server_settings["debuglevel"]
2069
use_dbus = server_settings["use_dbus"]
2070
use_ipv6 = server_settings["use_ipv6"]
2071
stored_state_path = os.path.join(server_settings["statedir"],
2075
initlogger(debug, logging.DEBUG)
2080
level = getattr(logging, debuglevel.upper())
2081
initlogger(debug, level)
2083
if server_settings["servicename"] != "Mandos":
1756
debug = server_settings[u"debug"]
1757
debuglevel = server_settings[u"debuglevel"]
1758
use_dbus = server_settings[u"use_dbus"]
1759
use_ipv6 = server_settings[u"use_ipv6"]
1761
if server_settings[u"servicename"] != u"Mandos":
2084
1762
syslogger.setFormatter(logging.Formatter
2085
('Mandos (%s) [%%(process)d]:'
2086
' %%(levelname)s: %%(message)s'
2087
% server_settings["servicename"]))
1763
(u'Mandos (%s) [%%(process)d]:'
1764
u' %%(levelname)s: %%(message)s'
1765
% server_settings[u"servicename"]))
2089
1767
# Parse config file with clients
2090
client_config = configparser.SafeConfigParser(Client
2092
client_config.read(os.path.join(server_settings["configdir"],
1768
client_defaults = { u"timeout": u"1h",
1770
u"checker": u"fping -q -- %%(host)s",
1772
u"approval_delay": u"0s",
1773
u"approval_duration": u"1s",
1775
client_config = configparser.SafeConfigParser(client_defaults)
1776
client_config.read(os.path.join(server_settings[u"configdir"],
2095
1779
global mandos_dbus_service
2096
1780
mandos_dbus_service = None
2098
tcp_server = MandosServer((server_settings["address"],
2099
server_settings["port"]),
1782
tcp_server = MandosServer((server_settings[u"address"],
1783
server_settings[u"port"]),
2101
interface=(server_settings["interface"]
1785
interface=(server_settings[u"interface"]
2103
1787
use_ipv6=use_ipv6,
2104
1788
gnutls_priority=
2105
server_settings["priority"],
1789
server_settings[u"priority"],
2106
1790
use_dbus=use_dbus)
2108
pidfilename = "/var/run/mandos.pid"
1792
pidfilename = u"/var/run/mandos.pid"
2110
pidfile = open(pidfilename, "w")
1794
pidfile = open(pidfilename, u"w")
2111
1795
except IOError:
2112
logger.error("Could not open file %r", pidfilename)
1796
logger.error(u"Could not open file %r", pidfilename)
2115
uid = pwd.getpwnam("_mandos").pw_uid
2116
gid = pwd.getpwnam("_mandos").pw_gid
1799
uid = pwd.getpwnam(u"_mandos").pw_uid
1800
gid = pwd.getpwnam(u"_mandos").pw_gid
2117
1801
except KeyError:
2119
uid = pwd.getpwnam("mandos").pw_uid
2120
gid = pwd.getpwnam("mandos").pw_gid
1803
uid = pwd.getpwnam(u"mandos").pw_uid
1804
gid = pwd.getpwnam(u"mandos").pw_gid
2121
1805
except KeyError:
2123
uid = pwd.getpwnam("nobody").pw_uid
2124
gid = pwd.getpwnam("nobody").pw_gid
1807
uid = pwd.getpwnam(u"nobody").pw_uid
1808
gid = pwd.getpwnam(u"nobody").pw_gid
2125
1809
except KeyError:
2131
except OSError as error:
1815
except OSError, error:
2132
1816
if error[0] != errno.EPERM:
1819
if not debug and not debuglevel:
1820
syslogger.setLevel(logging.WARNING)
1821
console.setLevel(logging.WARNING)
1823
level = getattr(logging, debuglevel.upper())
1824
syslogger.setLevel(level)
1825
console.setLevel(level)
2136
1828
# Enable all possible GnuTLS debugging
2167
1860
# End of Avahi example code
2170
bus_name = dbus.service.BusName("se.recompile.Mandos",
1863
bus_name = dbus.service.BusName(u"se.bsnet.fukt.Mandos",
2171
1864
bus, do_not_queue=True)
2172
old_bus_name = (dbus.service.BusName
2173
("se.bsnet.fukt.Mandos", bus,
2175
except dbus.exceptions.NameExistsException as e:
2176
logger.error(unicode(e) + ", disabling D-Bus")
1865
except dbus.exceptions.NameExistsException, e:
1866
logger.error(unicode(e) + u", disabling D-Bus")
2177
1867
use_dbus = False
2178
server_settings["use_dbus"] = False
1868
server_settings[u"use_dbus"] = False
2179
1869
tcp_server.use_dbus = False
2180
1870
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
2181
service = AvahiServiceToSyslog(name =
2182
server_settings["servicename"],
2183
servicetype = "_mandos._tcp",
2184
protocol = protocol, bus = bus)
1871
service = AvahiService(name = server_settings[u"servicename"],
1872
servicetype = u"_mandos._tcp",
1873
protocol = protocol, bus = bus)
2185
1874
if server_settings["interface"]:
2186
1875
service.interface = (if_nametoindex
2187
(str(server_settings["interface"])))
1876
(str(server_settings[u"interface"])))
2189
1878
global multiprocessing_manager
2190
1879
multiprocessing_manager = multiprocessing.Manager()
2192
1881
client_class = Client
2194
client_class = functools.partial(ClientDBusTransitional,
2197
client_settings = Client.config_parser(client_config)
2198
old_client_settings = {}
2201
# Get client data and settings from last running state.
2202
if server_settings["restore"]:
2204
with open(stored_state_path, "rb") as stored_state:
2205
clients_data, old_client_settings = (pickle.load
2207
os.remove(stored_state_path)
2208
except IOError as e:
2209
logger.warning("Could not load persistent state: {0}"
2211
if e.errno != errno.ENOENT:
2213
except EOFError as e:
2214
logger.warning("Could not load persistent state: "
2215
"EOFError: {0}".format(e))
2217
with PGPEngine() as pgp:
2218
for client_name, client in clients_data.iteritems():
2219
# Decide which value to use after restoring saved state.
2220
# We have three different values: Old config file,
2221
# new config file, and saved state.
2222
# New config value takes precedence if it differs from old
2223
# config value, otherwise use saved state.
2224
for name, value in client_settings[client_name].items():
2226
# For each value in new config, check if it
2227
# differs from the old config value (Except for
2228
# the "secret" attribute)
2229
if (name != "secret" and
2230
value != old_client_settings[client_name]
2232
client[name] = value
2236
# Clients who has passed its expire date can still be
2237
# enabled if its last checker was successful. Clients
2238
# whose checker succeeded before we stored its state is
2239
# assumed to have successfully run all checkers during
2241
if client["enabled"]:
2242
if datetime.datetime.utcnow() >= client["expires"]:
2243
if not client["last_checked_ok"]:
2245
"disabling client {0} - Client never "
2246
"performed a successful checker"
2247
.format(client_name))
2248
client["enabled"] = False
2249
elif client["last_checker_status"] != 0:
2251
"disabling client {0} - Client "
2252
"last checker failed with error code {1}"
2253
.format(client_name,
2254
client["last_checker_status"]))
2255
client["enabled"] = False
2257
client["expires"] = (datetime.datetime
2259
+ client["timeout"])
2260
logger.debug("Last checker succeeded,"
2261
" keeping {0} enabled"
2262
.format(client_name))
1883
client_class = functools.partial(ClientDBus, bus = bus)
1884
def client_config_items(config, section):
1885
special_settings = {
1886
"approved_by_default":
1887
lambda: config.getboolean(section,
1888
"approved_by_default"),
1890
for name, value in config.items(section):
2264
client["secret"] = (
2265
pgp.decrypt(client["encrypted_secret"],
2266
client_settings[client_name]
2269
# If decryption fails, we use secret from new settings
2270
logger.debug("Failed to decrypt {0} old secret"
2271
.format(client_name))
2272
client["secret"] = (
2273
client_settings[client_name]["secret"])
2276
# Add/remove clients based on new changes made to config
2277
for client_name in (set(old_client_settings)
2278
- set(client_settings)):
2279
del clients_data[client_name]
2280
for client_name in (set(client_settings)
2281
- set(old_client_settings)):
2282
clients_data[client_name] = client_settings[client_name]
2284
# Create all client objects
2285
for client_name, client in clients_data.iteritems():
2286
tcp_server.clients[client_name] = client_class(
2287
name = client_name, settings = client)
1892
yield (name, special_settings[name]())
1896
tcp_server.clients.update(set(
1897
client_class(name = section,
1898
config= dict(client_config_items(
1899
client_config, section)))
1900
for section in client_config.sections()))
2289
1901
if not tcp_server.clients:
2290
logger.warning("No clients defined")
1902
logger.warning(u"No clients defined")
2295
1907
pid = os.getpid()
2296
pidfile.write(str(pid) + "\n".encode("utf-8"))
1908
pidfile.write(str(pid) + "\n")
2298
1910
except IOError:
2299
logger.error("Could not write to file %r with PID %d",
1911
logger.error(u"Could not write to file %r with PID %d",
2300
1912
pidfilename, pid)
2301
1913
except NameError:
2302
1914
# "pidfile" was never created
2304
1916
del pidfilename
2305
1918
signal.signal(signal.SIGINT, signal.SIG_IGN)
2307
1920
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
2308
1921
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
2311
1924
class MandosDBusService(dbus.service.Object):
2312
1925
"""A D-Bus proxy object"""
2313
1926
def __init__(self):
2314
dbus.service.Object.__init__(self, bus, "/")
2315
_interface = "se.recompile.Mandos"
1927
dbus.service.Object.__init__(self, bus, u"/")
1928
_interface = u"se.bsnet.fukt.Mandos"
2317
@dbus.service.signal(_interface, signature="o")
1930
@dbus.service.signal(_interface, signature=u"o")
2318
1931
def ClientAdded(self, objpath):
2322
@dbus.service.signal(_interface, signature="ss")
1935
@dbus.service.signal(_interface, signature=u"ss")
2323
1936
def ClientNotFound(self, fingerprint, address):
2327
@dbus.service.signal(_interface, signature="os")
1940
@dbus.service.signal(_interface, signature=u"os")
2328
1941
def ClientRemoved(self, objpath, name):
2332
@dbus.service.method(_interface, out_signature="ao")
1945
@dbus.service.method(_interface, out_signature=u"ao")
2333
1946
def GetAllClients(self):
2335
1948
return dbus.Array(c.dbus_object_path
2337
tcp_server.clients.itervalues())
1949
for c in tcp_server.clients)
2339
1951
@dbus.service.method(_interface,
2340
out_signature="a{oa{sv}}")
1952
out_signature=u"a{oa{sv}}")
2341
1953
def GetAllClientsWithProperties(self):
2343
1955
return dbus.Dictionary(
2344
((c.dbus_object_path, c.GetAll(""))
2345
for c in tcp_server.clients.itervalues()),
1956
((c.dbus_object_path, c.GetAll(u""))
1957
for c in tcp_server.clients),
1958
signature=u"oa{sv}")
2348
@dbus.service.method(_interface, in_signature="o")
1960
@dbus.service.method(_interface, in_signature=u"o")
2349
1961
def RemoveClient(self, object_path):
2351
for c in tcp_server.clients.itervalues():
1963
for c in tcp_server.clients:
2352
1964
if c.dbus_object_path == object_path:
2353
del tcp_server.clients[c.name]
1965
tcp_server.clients.remove(c)
2354
1966
c.remove_from_connection()
2355
1967
# Don't signal anything except ClientRemoved
2356
1968
c.disable(quiet=True)
2364
class MandosDBusServiceTransitional(MandosDBusService):
2365
__metaclass__ = AlternateDBusNamesMetaclass
2366
mandos_dbus_service = MandosDBusServiceTransitional()
1976
mandos_dbus_service = MandosDBusService()
2369
1979
"Cleanup function; run on exit"
2370
1980
service.cleanup()
2372
multiprocessing.active_children()
2373
if not (tcp_server.clients or client_settings):
2376
# Store client before exiting. Secrets are encrypted with key
2377
# based on what config file has. If config file is
2378
# removed/edited, old secret will thus be unrecovable.
2380
with PGPEngine() as pgp:
2381
for client in tcp_server.clients.itervalues():
2382
key = client_settings[client.name]["secret"]
2383
client.encrypted_secret = pgp.encrypt(client.secret,
2387
# A list of attributes that can not be pickled
2389
exclude = set(("bus", "changedstate", "secret",
2391
for name, typ in (inspect.getmembers
2392
(dbus.service.Object)):
2395
client_dict["encrypted_secret"] = (client
2397
for attr in client.client_structure:
2398
if attr not in exclude:
2399
client_dict[attr] = getattr(client, attr)
2401
clients[client.name] = client_dict
2402
del client_settings[client.name]["secret"]
2405
tempfd, tempname = tempfile.mkstemp(suffix=".pickle",
2408
(stored_state_path))
2409
with os.fdopen(tempfd, "wb") as stored_state:
2410
pickle.dump((clients, client_settings), stored_state)
2411
os.rename(tempname, stored_state_path)
2412
except (IOError, OSError) as e:
2413
logger.warning("Could not save persistent state: {0}"
2420
if e.errno not in set((errno.ENOENT, errno.EACCES,
2424
# Delete all clients, and settings from config
2425
1982
while tcp_server.clients:
2426
name, client = tcp_server.clients.popitem()
1983
client = tcp_server.clients.pop()
2428
1985
client.remove_from_connection()
1986
client.disable_hook = None
2429
1987
# Don't signal anything except ClientRemoved
2430
1988
client.disable(quiet=True)
2432
1990
# Emit D-Bus signal
2433
mandos_dbus_service.ClientRemoved(client
1991
mandos_dbus_service.ClientRemoved(client.dbus_object_path,
2436
client_settings.clear()
2438
1994
atexit.register(cleanup)
2440
for client in tcp_server.clients.itervalues():
1996
for client in tcp_server.clients:
2442
1998
# Emit D-Bus signal
2443
1999
mandos_dbus_service.ClientAdded(client.dbus_object_path)
2444
# Need to initiate checking of clients
2446
client.init_checker()
2448
2002
tcp_server.enable()
2449
2003
tcp_server.server_activate()