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- Committer: Teddy Hogeborn
- Date: 2014-12-21 12:56:08 UTC
- Revision ID: teddy@recompile.se-20141221125608-bmkvujlj39srpwd3
mandos-keygen: Fix some stylistic quoting issues.
- files removed:
- plugin-helpers
- files modified:
- DBUS-API
added
removed
mandos
1
#!/usr/bin/python
1
#!/usr/bin/python2.7
2
2
# -*- mode: python; coding: utf-8 -*-
3
3
#
4
4
# Mandos server - give out binary blobs to connecting clients.
11
11
# "AvahiService" class, and some lines in "main".
12
12
#
13
13
# Everything else is
14
# Copyright © 2008-2016 Teddy Hogeborn
15
# Copyright © 2008-2016 Björn Påhlsson
14
# Copyright © 2008-2014 Teddy Hogeborn
15
# Copyright © 2008-2014 Björn Påhlsson
16
16
#
17
17
# This program is free software: you can redistribute it and/or modify
18
18
# it under the terms of the GNU General Public License as published by
36
36
37
37
from future_builtins import *
38
38
39
try:
40
import SocketServer as socketserver
41
except ImportError:
42
import socketserver
39
import SocketServer as socketserver
43
40
import socket
44
41
import argparse
45
42
import datetime
46
43
import errno
47
try:
48
import ConfigParser as configparser
49
except ImportError:
50
import configparser
44
import gnutls.crypto
45
import gnutls.connection
46
import gnutls.errors
47
import gnutls.library.functions
48
import gnutls.library.constants
49
import gnutls.library.types
50
import ConfigParser as configparser
51
51
import sys
52
52
import re
53
53
import os
62
62
import struct
63
63
import fcntl
64
64
import functools
65
try:
66
import cPickle as pickle
67
except ImportError:
68
import pickle
65
import cPickle as pickle
69
66
import multiprocessing
70
67
import types
71
68
import binascii
72
69
import tempfile
73
70
import itertools
74
71
import collections
75
import codecs
76
72
77
73
import dbus
78
74
import dbus.service
79
try:
80
import gobject
81
except ImportError:
82
from gi.repository import GObject as gobject
75
import gobject
83
76
import avahi
84
77
from dbus.mainloop.glib import DBusGMainLoop
85
78
import ctypes
98
91
if sys.version_info.major == 2:
99
92
str = unicode
100
93
101
version = "1.7.2"
94
version = "1.6.9"
102
95
stored_state_file = "clients.pickle"
103
96
104
97
logger = logging.getLogger()
105
98
syslogger = None
106
99
107
100
try:
108
if_nametoindex = ctypes.cdll.LoadLibrary(
109
ctypes.util.find_library("c")).if_nametoindex
101
if_nametoindex = (ctypes.cdll.LoadLibrary
102
(ctypes.util.find_library("c"))
103
.if_nametoindex)
110
104
except (OSError, AttributeError):
111
112
105
def if_nametoindex(interface):
113
106
"Get an interface index the hard way, i.e. using fcntl()"
114
107
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
123
116
"""init logger and add loglevel"""
124
117
125
118
global syslogger
126
syslogger = (logging.handlers.SysLogHandler(
127
facility = logging.handlers.SysLogHandler.LOG_DAEMON,
128
address = "/dev/log"))
119
syslogger = (logging.handlers.SysLogHandler
120
(facility =
121
logging.handlers.SysLogHandler.LOG_DAEMON,
122
address = "/dev/log"))
129
123
syslogger.setFormatter(logging.Formatter
130
124
('Mandos [%(process)d]: %(levelname)s:'
131
125
' %(message)s'))
148
142
149
143
class PGPEngine(object):
150
144
"""A simple class for OpenPGP symmetric encryption & decryption"""
151
152
145
def __init__(self):
153
146
self.tempdir = tempfile.mkdtemp(prefix="mandos-")
154
self.gpg = "gpg"
155
try:
156
output = subprocess.check_output(["gpgconf"])
157
for line in output.splitlines():
158
name, text, path = line.split(":")
159
if name == "gpg":
160
self.gpg = path
161
break
162
except OSError as e:
163
if e.errno != errno.ENOENT:
164
raise
165
147
self.gnupgargs = ['--batch',
166
'--homedir', self.tempdir,
148
'--home', self.tempdir,
167
149
'--force-mdc',
168
150
'--quiet',
169
151
'--no-use-agent']
204
186
205
187
def encrypt(self, data, password):
206
188
passphrase = self.password_encode(password)
207
with tempfile.NamedTemporaryFile(
208
dir=self.tempdir) as passfile:
189
with tempfile.NamedTemporaryFile(dir=self.tempdir
190
) as passfile:
209
191
passfile.write(passphrase)
210
192
passfile.flush()
211
proc = subprocess.Popen([self.gpg, '--symmetric',
193
proc = subprocess.Popen(['gpg', '--symmetric',
212
194
'--passphrase-file',
213
195
passfile.name]
214
196
+ self.gnupgargs,
222
204
223
205
def decrypt(self, data, password):
224
206
passphrase = self.password_encode(password)
225
with tempfile.NamedTemporaryFile(
226
dir = self.tempdir) as passfile:
207
with tempfile.NamedTemporaryFile(dir = self.tempdir
208
) as passfile:
227
209
passfile.write(passphrase)
228
210
passfile.flush()
229
proc = subprocess.Popen([self.gpg, '--decrypt',
211
proc = subprocess.Popen(['gpg', '--decrypt',
230
212
'--passphrase-file',
231
213
passfile.name]
232
214
+ self.gnupgargs,
233
215
stdin = subprocess.PIPE,
234
216
stdout = subprocess.PIPE,
235
217
stderr = subprocess.PIPE)
236
decrypted_plaintext, err = proc.communicate(input = data)
218
decrypted_plaintext, err = proc.communicate(input
219
= data)
237
220
if proc.returncode != 0:
238
221
raise PGPError(err)
239
222
return decrypted_plaintext
245
228
return super(AvahiError, self).__init__(value, *args,
246
229
**kwargs)
247
230
248
249
231
class AvahiServiceError(AvahiError):
250
232
pass
251
233
252
253
234
class AvahiGroupError(AvahiError):
254
235
pass
255
236
275
256
bus: dbus.SystemBus()
276
257
"""
277
258
278
def __init__(self,
279
interface = avahi.IF_UNSPEC,
280
name = None,
281
servicetype = None,
282
port = None,
283
TXT = None,
284
domain = "",
285
host = "",
286
max_renames = 32768,
287
protocol = avahi.PROTO_UNSPEC,
288
bus = None):
259
def __init__(self, interface = avahi.IF_UNSPEC, name = None,
260
servicetype = None, port = None, TXT = None,
261
domain = "", host = "", max_renames = 32768,
262
protocol = avahi.PROTO_UNSPEC, bus = None):
289
263
self.interface = interface
290
264
self.name = name
291
265
self.type = servicetype
308
282
" after %i retries, exiting.",
309
283
self.rename_count)
310
284
raise AvahiServiceError("Too many renames")
311
self.name = str(
312
self.server.GetAlternativeServiceName(self.name))
285
self.name = str(self.server
286
.GetAlternativeServiceName(self.name))
313
287
self.rename_count += 1
314
288
logger.info("Changing Zeroconf service name to %r ...",
315
289
self.name)
370
344
elif state == avahi.ENTRY_GROUP_FAILURE:
371
345
logger.critical("Avahi: Error in group state changed %s",
372
346
str(error))
373
raise AvahiGroupError("State changed: {!s}".format(error))
347
raise AvahiGroupError("State changed: {!s}"
348
.format(error))
374
349
375
350
def cleanup(self):
376
351
"""Derived from the Avahi example code"""
386
361
def server_state_changed(self, state, error=None):
387
362
"""Derived from the Avahi example code"""
388
363
logger.debug("Avahi server state change: %i", state)
389
bad_states = {
390
avahi.SERVER_INVALID: "Zeroconf server invalid",
391
avahi.SERVER_REGISTERING: None,
392
avahi.SERVER_COLLISION: "Zeroconf server name collision",
393
avahi.SERVER_FAILURE: "Zeroconf server failure",
394
}
364
bad_states = { avahi.SERVER_INVALID:
365
"Zeroconf server invalid",
366
avahi.SERVER_REGISTERING: None,
367
avahi.SERVER_COLLISION:
368
"Zeroconf server name collision",
369
avahi.SERVER_FAILURE:
370
"Zeroconf server failure" }
395
371
if state in bad_states:
396
372
if bad_states[state] is not None:
397
373
if error is None:
400
376
logger.error(bad_states[state] + ": %r", error)
401
377
self.cleanup()
402
378
elif state == avahi.SERVER_RUNNING:
403
try:
404
self.add()
405
except dbus.exceptions.DBusException as error:
406
if (error.get_dbus_name()
407
== "org.freedesktop.Avahi.CollisionError"):
408
logger.info("Local Zeroconf service name"
409
" collision.")
410
return self.rename(remove=False)
411
else:
412
logger.critical("D-Bus Exception", exc_info=error)
413
self.cleanup()
414
os._exit(1)
379
self.add()
415
380
else:
416
381
if error is None:
417
382
logger.debug("Unknown state: %r", state)
427
392
follow_name_owner_changes=True),
428
393
avahi.DBUS_INTERFACE_SERVER)
429
394
self.server.connect_to_signal("StateChanged",
430
self.server_state_changed)
395
self.server_state_changed)
431
396
self.server_state_changed(self.server.GetState())
432
397
433
398
435
400
def rename(self, *args, **kwargs):
436
401
"""Add the new name to the syslog messages"""
437
402
ret = AvahiService.rename(self, *args, **kwargs)
438
syslogger.setFormatter(logging.Formatter(
439
'Mandos ({}) [%(process)d]: %(levelname)s: %(message)s'
440
.format(self.name)))
403
syslogger.setFormatter(logging.Formatter
404
('Mandos ({}) [%(process)d]:'
405
' %(levelname)s: %(message)s'
406
.format(self.name)))
441
407
return ret
442
408
443
# Pretend that we have a GnuTLS module
444
class GnuTLS(object):
445
"""This isn't so much a class as it is a module-like namespace.
446
It is instantiated once, and simulates having a GnuTLS module."""
447
448
_library = ctypes.cdll.LoadLibrary(
449
ctypes.util.find_library("gnutls"))
450
_need_version = "3.3.0"
451
def __init__(self):
452
# Need to use class name "GnuTLS" here, since this method is
453
# called before the assignment to the "gnutls" global variable
454
# happens.
455
if GnuTLS.check_version(self._need_version) is None:
456
raise GnuTLS.Error("Needs GnuTLS {} or later"
457
.format(self._need_version))
458
459
# Unless otherwise indicated, the constants and types below are
460
# all from the gnutls/gnutls.h C header file.
461
462
# Constants
463
E_SUCCESS = 0
464
E_INTERRUPTED = -52
465
E_AGAIN = -28
466
CRT_OPENPGP = 2
467
CLIENT = 2
468
SHUT_RDWR = 0
469
CRD_CERTIFICATE = 1
470
E_NO_CERTIFICATE_FOUND = -49
471
OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h
472
473
# Types
474
class session_int(ctypes.Structure):
475
_fields_ = []
476
session_t = ctypes.POINTER(session_int)
477
class certificate_credentials_st(ctypes.Structure):
478
_fields_ = []
479
certificate_credentials_t = ctypes.POINTER(
480
certificate_credentials_st)
481
certificate_type_t = ctypes.c_int
482
class datum_t(ctypes.Structure):
483
_fields_ = [('data', ctypes.POINTER(ctypes.c_ubyte)),
484
('size', ctypes.c_uint)]
485
class openpgp_crt_int(ctypes.Structure):
486
_fields_ = []
487
openpgp_crt_t = ctypes.POINTER(openpgp_crt_int)
488
openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h
489
log_func = ctypes.CFUNCTYPE(None, ctypes.c_int, ctypes.c_char_p)
490
credentials_type_t = ctypes.c_int #
491
transport_ptr_t = ctypes.c_void_p
492
close_request_t = ctypes.c_int
493
494
# Exceptions
495
class Error(Exception):
496
# We need to use the class name "GnuTLS" here, since this
497
# exception might be raised from within GnuTLS.__init__,
498
# which is called before the assignment to the "gnutls"
499
# global variable has happened.
500
def __init__(self, message = None, code = None, args=()):
501
# Default usage is by a message string, but if a return
502
# code is passed, convert it to a string with
503
# gnutls.strerror()
504
self.code = code
505
if message is None and code is not None:
506
message = GnuTLS.strerror(code)
507
return super(GnuTLS.Error, self).__init__(
508
message, *args)
509
510
class CertificateSecurityError(Error):
511
pass
512
513
# Classes
514
class Credentials(object):
515
def __init__(self):
516
self._c_object = gnutls.certificate_credentials_t()
517
gnutls.certificate_allocate_credentials(
518
ctypes.byref(self._c_object))
519
self.type = gnutls.CRD_CERTIFICATE
520
521
def __del__(self):
522
gnutls.certificate_free_credentials(self._c_object)
523
524
class ClientSession(object):
525
def __init__(self, socket, credentials = None):
526
self._c_object = gnutls.session_t()
527
gnutls.init(ctypes.byref(self._c_object), gnutls.CLIENT)
528
gnutls.set_default_priority(self._c_object)
529
gnutls.transport_set_ptr(self._c_object, socket.fileno())
530
gnutls.handshake_set_private_extensions(self._c_object,
531
True)
532
self.socket = socket
533
if credentials is None:
534
credentials = gnutls.Credentials()
535
gnutls.credentials_set(self._c_object, credentials.type,
536
ctypes.cast(credentials._c_object,
537
ctypes.c_void_p))
538
self.credentials = credentials
539
540
def __del__(self):
541
gnutls.deinit(self._c_object)
542
543
def handshake(self):
544
return gnutls.handshake(self._c_object)
545
546
def send(self, data):
547
data = bytes(data)
548
data_len = len(data)
549
while data_len > 0:
550
data_len -= gnutls.record_send(self._c_object,
551
data[-data_len:],
552
data_len)
553
554
def bye(self):
555
return gnutls.bye(self._c_object, gnutls.SHUT_RDWR)
556
557
# Error handling functions
558
def _error_code(result):
559
"""A function to raise exceptions on errors, suitable
560
for the 'restype' attribute on ctypes functions"""
561
if result >= 0:
562
return result
563
if result == gnutls.E_NO_CERTIFICATE_FOUND:
564
raise gnutls.CertificateSecurityError(code = result)
565
raise gnutls.Error(code = result)
566
567
def _retry_on_error(result, func, arguments):
568
"""A function to retry on some errors, suitable
569
for the 'errcheck' attribute on ctypes functions"""
570
while result < 0:
571
if result not in (gnutls.E_INTERRUPTED, gnutls.E_AGAIN):
572
return _error_code(result)
573
result = func(*arguments)
574
return result
575
576
# Unless otherwise indicated, the function declarations below are
577
# all from the gnutls/gnutls.h C header file.
578
579
# Functions
580
priority_set_direct = _library.gnutls_priority_set_direct
581
priority_set_direct.argtypes = [session_t, ctypes.c_char_p,
582
ctypes.POINTER(ctypes.c_char_p)]
583
priority_set_direct.restype = _error_code
584
585
init = _library.gnutls_init
586
init.argtypes = [ctypes.POINTER(session_t), ctypes.c_int]
587
init.restype = _error_code
588
589
set_default_priority = _library.gnutls_set_default_priority
590
set_default_priority.argtypes = [session_t]
591
set_default_priority.restype = _error_code
592
593
record_send = _library.gnutls_record_send
594
record_send.argtypes = [session_t, ctypes.c_void_p,
595
ctypes.c_size_t]
596
record_send.restype = ctypes.c_ssize_t
597
record_send.errcheck = _retry_on_error
598
599
certificate_allocate_credentials = (
600
_library.gnutls_certificate_allocate_credentials)
601
certificate_allocate_credentials.argtypes = [
602
ctypes.POINTER(certificate_credentials_t)]
603
certificate_allocate_credentials.restype = _error_code
604
605
certificate_free_credentials = (
606
_library.gnutls_certificate_free_credentials)
607
certificate_free_credentials.argtypes = [certificate_credentials_t]
608
certificate_free_credentials.restype = None
609
610
handshake_set_private_extensions = (
611
_library.gnutls_handshake_set_private_extensions)
612
handshake_set_private_extensions.argtypes = [session_t,
613
ctypes.c_int]
614
handshake_set_private_extensions.restype = None
615
616
credentials_set = _library.gnutls_credentials_set
617
credentials_set.argtypes = [session_t, credentials_type_t,
618
ctypes.c_void_p]
619
credentials_set.restype = _error_code
620
621
strerror = _library.gnutls_strerror
622
strerror.argtypes = [ctypes.c_int]
623
strerror.restype = ctypes.c_char_p
624
625
certificate_type_get = _library.gnutls_certificate_type_get
626
certificate_type_get.argtypes = [session_t]
627
certificate_type_get.restype = _error_code
628
629
certificate_get_peers = _library.gnutls_certificate_get_peers
630
certificate_get_peers.argtypes = [session_t,
631
ctypes.POINTER(ctypes.c_uint)]
632
certificate_get_peers.restype = ctypes.POINTER(datum_t)
633
634
global_set_log_level = _library.gnutls_global_set_log_level
635
global_set_log_level.argtypes = [ctypes.c_int]
636
global_set_log_level.restype = None
637
638
global_set_log_function = _library.gnutls_global_set_log_function
639
global_set_log_function.argtypes = [log_func]
640
global_set_log_function.restype = None
641
642
deinit = _library.gnutls_deinit
643
deinit.argtypes = [session_t]
644
deinit.restype = None
645
646
handshake = _library.gnutls_handshake
647
handshake.argtypes = [session_t]
648
handshake.restype = _error_code
649
handshake.errcheck = _retry_on_error
650
651
transport_set_ptr = _library.gnutls_transport_set_ptr
652
transport_set_ptr.argtypes = [session_t, transport_ptr_t]
653
transport_set_ptr.restype = None
654
655
bye = _library.gnutls_bye
656
bye.argtypes = [session_t, close_request_t]
657
bye.restype = _error_code
658
bye.errcheck = _retry_on_error
659
660
check_version = _library.gnutls_check_version
661
check_version.argtypes = [ctypes.c_char_p]
662
check_version.restype = ctypes.c_char_p
663
664
# All the function declarations below are from gnutls/openpgp.h
665
666
openpgp_crt_init = _library.gnutls_openpgp_crt_init
667
openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]
668
openpgp_crt_init.restype = _error_code
669
670
openpgp_crt_import = _library.gnutls_openpgp_crt_import
671
openpgp_crt_import.argtypes = [openpgp_crt_t,
672
ctypes.POINTER(datum_t),
673
openpgp_crt_fmt_t]
674
openpgp_crt_import.restype = _error_code
675
676
openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self
677
openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,
678
ctypes.POINTER(ctypes.c_uint)]
679
openpgp_crt_verify_self.restype = _error_code
680
681
openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit
682
openpgp_crt_deinit.argtypes = [openpgp_crt_t]
683
openpgp_crt_deinit.restype = None
684
685
openpgp_crt_get_fingerprint = (
686
_library.gnutls_openpgp_crt_get_fingerprint)
687
openpgp_crt_get_fingerprint.argtypes = [openpgp_crt_t,
688
ctypes.c_void_p,
689
ctypes.POINTER(
690
ctypes.c_size_t)]
691
openpgp_crt_get_fingerprint.restype = _error_code
692
693
# Remove non-public functions
694
del _error_code, _retry_on_error
695
# Create the global "gnutls" object, simulating a module
696
gnutls = GnuTLS()
697
698
def call_pipe(connection, # : multiprocessing.Connection
699
func, *args, **kwargs):
700
"""This function is meant to be called by multiprocessing.Process
701
702
This function runs func(*args, **kwargs), and writes the resulting
703
return value on the provided multiprocessing.Connection.
704
"""
705
connection.send(func(*args, **kwargs))
706
connection.close()
707
409
708
410
class Client(object):
709
411
"""A representation of a client host served by this server.
736
438
last_checker_status: integer between 0 and 255 reflecting exit
737
439
status of last checker. -1 reflects crashed
738
440
checker, -2 means no checker completed yet.
739
last_checker_signal: The signal which killed the last checker, if
740
last_checker_status is -1
741
441
last_enabled: datetime.datetime(); (UTC) or None
742
442
name: string; from the config file, used in log messages and
743
443
D-Bus identifiers
756
456
"fingerprint", "host", "interval",
757
457
"last_approval_request", "last_checked_ok",
758
458
"last_enabled", "name", "timeout")
759
client_defaults = {
760
"timeout": "PT5M",
761
"extended_timeout": "PT15M",
762
"interval": "PT2M",
763
"checker": "fping -q -- %%(host)s",
764
"host": "",
765
"approval_delay": "PT0S",
766
"approval_duration": "PT1S",
767
"approved_by_default": "True",
768
"enabled": "True",
769
}
459
client_defaults = { "timeout": "PT5M",
460
"extended_timeout": "PT15M",
461
"interval": "PT2M",
462
"checker": "fping -q -- %%(host)s",
463
"host": "",
464
"approval_delay": "PT0S",
465
"approval_duration": "PT1S",
466
"approved_by_default": "True",
467
"enabled": "True",
468
}
770
469
771
470
@staticmethod
772
471
def config_parser(config):
850
549
self.current_checker_command = None
851
550
self.approved = None
852
551
self.approvals_pending = 0
853
self.changedstate = multiprocessing_manager.Condition(
854
multiprocessing_manager.Lock())
855
self.client_structure = [attr
856
for attr in self.__dict__.iterkeys()
552
self.changedstate = (multiprocessing_manager
553
.Condition(multiprocessing_manager
554
.Lock()))
555
self.client_structure = [attr for attr in
556
self.__dict__.iterkeys()
857
557
if not attr.startswith("_")]
858
558
self.client_structure.append("client_structure")
859
559
860
for name, t in inspect.getmembers(
861
type(self), lambda obj: isinstance(obj, property)):
560
for name, t in inspect.getmembers(type(self),
561
lambda obj:
562
isinstance(obj,
563
property)):
862
564
if not name.startswith("_"):
863
565
self.client_structure.append(name)
864
566
906
608
# and every interval from then on.
907
609
if self.checker_initiator_tag is not None:
908
610
gobject.source_remove(self.checker_initiator_tag)
909
self.checker_initiator_tag = gobject.timeout_add(
910
int(self.interval.total_seconds() * 1000),
911
self.start_checker)
611
self.checker_initiator_tag = (gobject.timeout_add
612
(int(self.interval
613
.total_seconds() * 1000),
614
self.start_checker))
912
615
# Schedule a disable() when 'timeout' has passed
913
616
if self.disable_initiator_tag is not None:
914
617
gobject.source_remove(self.disable_initiator_tag)
915
self.disable_initiator_tag = gobject.timeout_add(
916
int(self.timeout.total_seconds() * 1000), self.disable)
618
self.disable_initiator_tag = (gobject.timeout_add
619
(int(self.timeout
620
.total_seconds() * 1000),
621
self.disable))
917
622
# Also start a new checker *right now*.
918
623
self.start_checker()
919
624
920
def checker_callback(self, source, condition, connection,
921
command):
625
def checker_callback(self, pid, condition, command):
922
626
"""The checker has completed, so take appropriate actions."""
923
627
self.checker_callback_tag = None
924
628
self.checker = None
925
# Read return code from connection (see call_pipe)
926
returncode = connection.recv()
927
connection.close()
928
929
if returncode >= 0:
930
self.last_checker_status = returncode
931
self.last_checker_signal = None
629
if os.WIFEXITED(condition):
630
self.last_checker_status = os.WEXITSTATUS(condition)
932
631
if self.last_checker_status == 0:
933
632
logger.info("Checker for %(name)s succeeded",
934
633
vars(self))
935
634
self.checked_ok()
936
635
else:
937
logger.info("Checker for %(name)s failed", vars(self))
636
logger.info("Checker for %(name)s failed",
637
vars(self))
938
638
else:
939
639
self.last_checker_status = -1
940
self.last_checker_signal = -returncode
941
640
logger.warning("Checker for %(name)s crashed?",
942
641
vars(self))
943
return False
944
642
945
643
def checked_ok(self):
946
644
"""Assert that the client has been seen, alive and well."""
947
645
self.last_checked_ok = datetime.datetime.utcnow()
948
646
self.last_checker_status = 0
949
self.last_checker_signal = None
950
647
self.bump_timeout()
951
648
952
649
def bump_timeout(self, timeout=None):
957
654
gobject.source_remove(self.disable_initiator_tag)
958
655
self.disable_initiator_tag = None
959
656
if getattr(self, "enabled", False):
960
self.disable_initiator_tag = gobject.timeout_add(
961
int(timeout.total_seconds() * 1000), self.disable)
657
self.disable_initiator_tag = (gobject.timeout_add
658
(int(timeout.total_seconds()
659
* 1000), self.disable))
962
660
self.expires = datetime.datetime.utcnow() + timeout
963
661
964
662
def need_approval(self):
978
676
# than 'timeout' for the client to be disabled, which is as it
979
677
# should be.
980
678
981
if self.checker is not None and not self.checker.is_alive():
982
logger.warning("Checker was not alive; joining")
983
self.checker.join()
984
self.checker = None
679
# If a checker exists, make sure it is not a zombie
680
try:
681
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
682
except AttributeError:
683
pass
684
except OSError as error:
685
if error.errno != errno.ECHILD:
686
raise
687
else:
688
if pid:
689
logger.warning("Checker was a zombie")
690
gobject.source_remove(self.checker_callback_tag)
691
self.checker_callback(pid, status,
692
self.current_checker_command)
985
693
# Start a new checker if needed
986
694
if self.checker is None:
987
695
# Escape attributes for the shell
988
escaped_attrs = {
989
attr: re.escape(str(getattr(self, attr)))
990
for attr in self.runtime_expansions }
696
escaped_attrs = { attr:
697
re.escape(str(getattr(self, attr)))
698
for attr in self.runtime_expansions }
991
699
try:
992
700
command = self.checker_command % escaped_attrs
993
701
except TypeError as error:
994
702
logger.error('Could not format string "%s"',
995
self.checker_command,
703
self.checker_command, exc_info=error)
704
return True # Try again later
705
self.current_checker_command = command
706
try:
707
logger.info("Starting checker %r for %s",
708
command, self.name)
709
# We don't need to redirect stdout and stderr, since
710
# in normal mode, that is already done by daemon(),
711
# and in debug mode we don't want to. (Stdin is
712
# always replaced by /dev/null.)
713
# The exception is when not debugging but nevertheless
714
# running in the foreground; use the previously
715
# created wnull.
716
popen_args = {}
717
if (not self.server_settings["debug"]
718
and self.server_settings["foreground"]):
719
popen_args.update({"stdout": wnull,
720
"stderr": wnull })
721
self.checker = subprocess.Popen(command,
722
close_fds=True,
723
shell=True, cwd="/",
724
**popen_args)
725
except OSError as error:
726
logger.error("Failed to start subprocess",
996
727
exc_info=error)
997
return True # Try again later
998
self.current_checker_command = command
999
logger.info("Starting checker %r for %s", command,
1000
self.name)
1001
# We don't need to redirect stdout and stderr, since
1002
# in normal mode, that is already done by daemon(),
1003
# and in debug mode we don't want to. (Stdin is
1004
# always replaced by /dev/null.)
1005
# The exception is when not debugging but nevertheless
1006
# running in the foreground; use the previously
1007
# created wnull.
1008
popen_args = { "close_fds": True,
1009
"shell": True,
1010
"cwd": "/" }
1011
if (not self.server_settings["debug"]
1012
and self.server_settings["foreground"]):
1013
popen_args.update({"stdout": wnull,
1014
"stderr": wnull })
1015
pipe = multiprocessing.Pipe(duplex = False)
1016
self.checker = multiprocessing.Process(
1017
target = call_pipe,
1018
args = (pipe[1], subprocess.call, command),
1019
kwargs = popen_args)
1020
self.checker.start()
1021
self.checker_callback_tag = gobject.io_add_watch(
1022
pipe[0].fileno(), gobject.IO_IN,
1023
self.checker_callback, pipe[0], command)
728
return True
729
self.checker_callback_tag = (gobject.child_watch_add
730
(self.checker.pid,
731
self.checker_callback,
732
data=command))
733
# The checker may have completed before the gobject
734
# watch was added. Check for this.
735
try:
736
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
737
except OSError as error:
738
if error.errno == errno.ECHILD:
739
# This should never happen
740
logger.error("Child process vanished",
741
exc_info=error)
742
return True
743
raise
744
if pid:
745
gobject.source_remove(self.checker_callback_tag)
746
self.checker_callback(pid, status, command)
1024
747
# Re-run this periodically if run by gobject.timeout_add
1025
748
return True
1026
749
1032
755
if getattr(self, "checker", None) is None:
1033
756
return
1034
757
logger.debug("Stopping checker for %(name)s", vars(self))
1035
self.checker.terminate()
758
try:
759
self.checker.terminate()
760
#time.sleep(0.5)
761
#if self.checker.poll() is None:
762
# self.checker.kill()
763
except OSError as error:
764
if error.errno != errno.ESRCH: # No such process
765
raise
1036
766
self.checker = None
1037
767
1038
768
1039
def dbus_service_property(dbus_interface,
1040
signature="v",
1041
access="readwrite",
1042
byte_arrays=False):
769
def dbus_service_property(dbus_interface, signature="v",
770
access="readwrite", byte_arrays=False):
1043
771
"""Decorators for marking methods of a DBusObjectWithProperties to
1044
772
become properties on the D-Bus.
1045
773
1055
783
if byte_arrays and signature != "ay":
1056
784
raise ValueError("Byte arrays not supported for non-'ay'"
1057
785
" signature {!r}".format(signature))
1058
1059
786
def decorator(func):
1060
787
func._dbus_is_property = True
1061
788
func._dbus_interface = dbus_interface
1066
793
func._dbus_name = func._dbus_name[:-14]
1067
794
func._dbus_get_args_options = {'byte_arrays': byte_arrays }
1068
795
return func
1069
1070
796
return decorator
1071
797
1072
798
1081
807
"org.freedesktop.DBus.Property.EmitsChangedSignal":
1082
808
"false"}
1083
809
"""
1084
1085
810
def decorator(func):
1086
811
func._dbus_is_interface = True
1087
812
func._dbus_interface = dbus_interface
1088
813
func._dbus_name = dbus_interface
1089
814
return func
1090
1091
815
return decorator
1092
816
1093
817
1102
826
access="r")
1103
827
def Property_dbus_property(self):
1104
828
return dbus.Boolean(False)
1105
1106
See also the DBusObjectWithAnnotations class.
1107
829
"""
1108
1109
830
def decorator(func):
1110
831
func._dbus_annotations = annotations
1111
832
return func
1112
1113
833
return decorator
1114
834
1115
835
1118
838
"""
1119
839
pass
1120
840
1121
1122
841
class DBusPropertyAccessException(DBusPropertyException):
1123
842
"""A property's access permissions disallows an operation.
1124
843
"""
1131
850
pass
1132
851
1133
852
1134
class DBusObjectWithAnnotations(dbus.service.Object):
1135
"""A D-Bus object with annotations.
853
class DBusObjectWithProperties(dbus.service.Object):
854
"""A D-Bus object with properties.
1136
855
1137
Classes inheriting from this can use the dbus_annotations
1138
decorator to add annotations to methods or signals.
856
Classes inheriting from this can use the dbus_service_property
857
decorator to expose methods as D-Bus properties. It exposes the
858
standard Get(), Set(), and GetAll() methods on the D-Bus.
1139
859
"""
1140
860
1141
861
@staticmethod
1151
871
def _get_all_dbus_things(self, thing):
1152
872
"""Returns a generator of (name, attribute) pairs
1153
873
"""
1154
return ((getattr(athing.__get__(self), "_dbus_name", name),
874
return ((getattr(athing.__get__(self), "_dbus_name",
875
name),
1155
876
athing.__get__(self))
1156
877
for cls in self.__class__.__mro__
1157
878
for name, athing in
1158
inspect.getmembers(cls, self._is_dbus_thing(thing)))
1159
1160
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1161
out_signature = "s",
1162
path_keyword = 'object_path',
1163
connection_keyword = 'connection')
1164
def Introspect(self, object_path, connection):
1165
"""Overloading of standard D-Bus method.
1166
1167
Inserts annotation tags on methods and signals.
1168
"""
1169
xmlstring = dbus.service.Object.Introspect(self, object_path,
1170
connection)
1171
try:
1172
document = xml.dom.minidom.parseString(xmlstring)
1173
1174
for if_tag in document.getElementsByTagName("interface"):
1175
# Add annotation tags
1176
for typ in ("method", "signal"):
1177
for tag in if_tag.getElementsByTagName(typ):
1178
annots = dict()
1179
for name, prop in (self.
1180
_get_all_dbus_things(typ)):
1181
if (name == tag.getAttribute("name")
1182
and prop._dbus_interface
1183
== if_tag.getAttribute("name")):
1184
annots.update(getattr(
1185
prop, "_dbus_annotations", {}))
1186
for name, value in annots.items():
1187
ann_tag = document.createElement(
1188
"annotation")
1189
ann_tag.setAttribute("name", name)
1190
ann_tag.setAttribute("value", value)
1191
tag.appendChild(ann_tag)
1192
# Add interface annotation tags
1193
for annotation, value in dict(
1194
itertools.chain.from_iterable(
1195
annotations().items()
1196
for name, annotations
1197
in self._get_all_dbus_things("interface")
1198
if name == if_tag.getAttribute("name")
1199
)).items():
1200
ann_tag = document.createElement("annotation")
1201
ann_tag.setAttribute("name", annotation)
1202
ann_tag.setAttribute("value", value)
1203
if_tag.appendChild(ann_tag)
1204
# Fix argument name for the Introspect method itself
1205
if (if_tag.getAttribute("name")
1206
== dbus.INTROSPECTABLE_IFACE):
1207
for cn in if_tag.getElementsByTagName("method"):
1208
if cn.getAttribute("name") == "Introspect":
1209
for arg in cn.getElementsByTagName("arg"):
1210
if (arg.getAttribute("direction")
1211
== "out"):
1212
arg.setAttribute("name",
1213
"xml_data")
1214
xmlstring = document.toxml("utf-8")
1215
document.unlink()
1216
except (AttributeError, xml.dom.DOMException,
1217
xml.parsers.expat.ExpatError) as error:
1218
logger.error("Failed to override Introspection method",
1219
exc_info=error)
1220
return xmlstring
1221
1222
1223
class DBusObjectWithProperties(DBusObjectWithAnnotations):
1224
"""A D-Bus object with properties.
1225
1226
Classes inheriting from this can use the dbus_service_property
1227
decorator to expose methods as D-Bus properties. It exposes the
1228
standard Get(), Set(), and GetAll() methods on the D-Bus.
1229
"""
879
inspect.getmembers(cls,
880
self._is_dbus_thing(thing)))
1230
881
1231
882
def _get_dbus_property(self, interface_name, property_name):
1232
883
"""Returns a bound method if one exists which is a D-Bus
1233
884
property with the specified name and interface.
1234
885
"""
1235
for cls in self.__class__.__mro__:
1236
for name, value in inspect.getmembers(
1237
cls, self._is_dbus_thing("property")):
886
for cls in self.__class__.__mro__:
887
for name, value in (inspect.getmembers
888
(cls,
889
self._is_dbus_thing("property"))):
1238
890
if (value._dbus_name == property_name
1239
891
and value._dbus_interface == interface_name):
1240
892
return value.__get__(self)
1241
893
1242
894
# No such property
1243
raise DBusPropertyNotFound("{}:{}.{}".format(
1244
self.dbus_object_path, interface_name, property_name))
1245
1246
@classmethod
1247
def _get_all_interface_names(cls):
1248
"""Get a sequence of all interfaces supported by an object"""
1249
return (name for name in set(getattr(getattr(x, attr),
1250
"_dbus_interface", None)
1251
for x in (inspect.getmro(cls))
1252
for attr in dir(x))
1253
if name is not None)
1254
1255
@dbus.service.method(dbus.PROPERTIES_IFACE,
1256
in_signature="ss",
895
raise DBusPropertyNotFound(self.dbus_object_path + ":"
896
+ interface_name + "."
897
+ property_name)
898
899
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ss",
1257
900
out_signature="v")
1258
901
def Get(self, interface_name, property_name):
1259
902
"""Standard D-Bus property Get() method, see D-Bus standard.
1284
927
for byte in value))
1285
928
prop(value)
1286
929
1287
@dbus.service.method(dbus.PROPERTIES_IFACE,
1288
in_signature="s",
930
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="s",
1289
931
out_signature="a{sv}")
1290
932
def GetAll(self, interface_name):
1291
933
"""Standard D-Bus property GetAll() method, see D-Bus
1306
948
if not hasattr(value, "variant_level"):
1307
949
properties[name] = value
1308
950
continue
1309
properties[name] = type(value)(
1310
value, variant_level = value.variant_level + 1)
951
properties[name] = type(value)(value, variant_level=
952
value.variant_level+1)
1311
953
return dbus.Dictionary(properties, signature="sv")
1312
954
1313
955
@dbus.service.signal(dbus.PROPERTIES_IFACE, signature="sa{sv}as")
1327
969
1328
970
Inserts property tags and interface annotation tags.
1329
971
"""
1330
xmlstring = DBusObjectWithAnnotations.Introspect(self,
1331
object_path,
1332
connection)
972
xmlstring = dbus.service.Object.Introspect(self, object_path,
973
connection)
1333
974
try:
1334
975
document = xml.dom.minidom.parseString(xmlstring)
1335
1336
976
def make_tag(document, name, prop):
1337
977
e = document.createElement("property")
1338
978
e.setAttribute("name", name)
1339
979
e.setAttribute("type", prop._dbus_signature)
1340
980
e.setAttribute("access", prop._dbus_access)
1341
981
return e
1342
1343
982
for if_tag in document.getElementsByTagName("interface"):
1344
983
# Add property tags
1345
984
for tag in (make_tag(document, name, prop)
1348
987
if prop._dbus_interface
1349
988
== if_tag.getAttribute("name")):
1350
989
if_tag.appendChild(tag)
1351
# Add annotation tags for properties
1352
for tag in if_tag.getElementsByTagName("property"):
1353
annots = dict()
1354
for name, prop in self._get_all_dbus_things(
1355
"property"):
1356
if (name == tag.getAttribute("name")
1357
and prop._dbus_interface
1358
== if_tag.getAttribute("name")):
1359
annots.update(getattr(
1360
prop, "_dbus_annotations", {}))
1361
for name, value in annots.items():
1362
ann_tag = document.createElement(
1363
"annotation")
1364
ann_tag.setAttribute("name", name)
1365
ann_tag.setAttribute("value", value)
1366
tag.appendChild(ann_tag)
990
# Add annotation tags
991
for typ in ("method", "signal", "property"):
992
for tag in if_tag.getElementsByTagName(typ):
993
annots = dict()
994
for name, prop in (self.
995
_get_all_dbus_things(typ)):
996
if (name == tag.getAttribute("name")
997
and prop._dbus_interface
998
== if_tag.getAttribute("name")):
999
annots.update(getattr
1000
(prop,
1001
"_dbus_annotations",
1002
{}))
1003
for name, value in annots.items():
1004
ann_tag = document.createElement(
1005
"annotation")
1006
ann_tag.setAttribute("name", name)
1007
ann_tag.setAttribute("value", value)
1008
tag.appendChild(ann_tag)
1009
# Add interface annotation tags
1010
for annotation, value in dict(
1011
itertools.chain.from_iterable(
1012
annotations().items()
1013
for name, annotations in
1014
self._get_all_dbus_things("interface")
1015
if name == if_tag.getAttribute("name")
1016
)).items():
1017
ann_tag = document.createElement("annotation")
1018
ann_tag.setAttribute("name", annotation)
1019
ann_tag.setAttribute("value", value)
1020
if_tag.appendChild(ann_tag)
1367
1021
# Add the names to the return values for the
1368
1022
# "org.freedesktop.DBus.Properties" methods
1369
1023
if (if_tag.getAttribute("name")
1387
1041
exc_info=error)
1388
1042
return xmlstring
1389
1043
1390
try:
1391
dbus.OBJECT_MANAGER_IFACE
1392
except AttributeError:
1393
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
1394
1395
class DBusObjectWithObjectManager(DBusObjectWithAnnotations):
1396
"""A D-Bus object with an ObjectManager.
1397
1398
Classes inheriting from this exposes the standard
1399
GetManagedObjects call and the InterfacesAdded and
1400
InterfacesRemoved signals on the standard
1401
"org.freedesktop.DBus.ObjectManager" interface.
1402
1403
Note: No signals are sent automatically; they must be sent
1404
manually.
1405
"""
1406
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
1407
out_signature = "a{oa{sa{sv}}}")
1408
def GetManagedObjects(self):
1409
"""This function must be overridden"""
1410
raise NotImplementedError()
1411
1412
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE,
1413
signature = "oa{sa{sv}}")
1414
def InterfacesAdded(self, object_path, interfaces_and_properties):
1415
pass
1416
1417
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE, signature = "oas")
1418
def InterfacesRemoved(self, object_path, interfaces):
1419
pass
1420
1421
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1422
out_signature = "s",
1423
path_keyword = 'object_path',
1424
connection_keyword = 'connection')
1425
def Introspect(self, object_path, connection):
1426
"""Overloading of standard D-Bus method.
1427
1428
Override return argument name of GetManagedObjects to be
1429
"objpath_interfaces_and_properties"
1430
"""
1431
xmlstring = DBusObjectWithAnnotations.Introspect(self,
1432
object_path,
1433
connection)
1434
try:
1435
document = xml.dom.minidom.parseString(xmlstring)
1436
1437
for if_tag in document.getElementsByTagName("interface"):
1438
# Fix argument name for the GetManagedObjects method
1439
if (if_tag.getAttribute("name")
1440
== dbus.OBJECT_MANAGER_IFACE):
1441
for cn in if_tag.getElementsByTagName("method"):
1442
if (cn.getAttribute("name")
1443
== "GetManagedObjects"):
1444
for arg in cn.getElementsByTagName("arg"):
1445
if (arg.getAttribute("direction")
1446
== "out"):
1447
arg.setAttribute(
1448
"name",
1449
"objpath_interfaces"
1450
"_and_properties")
1451
xmlstring = document.toxml("utf-8")
1452
document.unlink()
1453
except (AttributeError, xml.dom.DOMException,
1454
xml.parsers.expat.ExpatError) as error:
1455
logger.error("Failed to override Introspection method",
1456
exc_info = error)
1457
return xmlstring
1458
1044
1459
1045
def datetime_to_dbus(dt, variant_level=0):
1460
1046
"""Convert a UTC datetime.datetime() to a D-Bus type."""
1461
1047
if dt is None:
1462
1048
return dbus.String("", variant_level = variant_level)
1463
return dbus.String(dt.isoformat(), variant_level=variant_level)
1049
return dbus.String(dt.isoformat(),
1050
variant_level=variant_level)
1464
1051
1465
1052
1466
1053
def alternate_dbus_interfaces(alt_interface_names, deprecate=True):
1486
1073
(from DBusObjectWithProperties) and interfaces (from the
1487
1074
dbus_interface_annotations decorator).
1488
1075
"""
1489
1490
1076
def wrapper(cls):
1491
1077
for orig_interface_name, alt_interface_name in (
1492
alt_interface_names.items()):
1078
alt_interface_names.items()):
1493
1079
attr = {}
1494
1080
interface_names = set()
1495
1081
# Go though all attributes of the class
1497
1083
# Ignore non-D-Bus attributes, and D-Bus attributes
1498
1084
# with the wrong interface name
1499
1085
if (not hasattr(attribute, "_dbus_interface")
1500
or not attribute._dbus_interface.startswith(
1501
orig_interface_name)):
1086
or not attribute._dbus_interface
1087
.startswith(orig_interface_name)):
1502
1088
continue
1503
1089
# Create an alternate D-Bus interface name based on
1504
1090
# the current name
1505
alt_interface = attribute._dbus_interface.replace(
1506
orig_interface_name, alt_interface_name)
1091
alt_interface = (attribute._dbus_interface
1092
.replace(orig_interface_name,
1093
alt_interface_name))
1507
1094
interface_names.add(alt_interface)
1508
1095
# Is this a D-Bus signal?
1509
1096
if getattr(attribute, "_dbus_is_signal", False):
1510
if sys.version_info.major == 2:
1511
# Extract the original non-method undecorated
1512
# function by black magic
1513
nonmethod_func = (dict(
1097
# Extract the original non-method undecorated
1098
# function by black magic
1099
nonmethod_func = (dict(
1514
1100
zip(attribute.func_code.co_freevars,
1515
attribute.__closure__))
1516
["func"].cell_contents)
1517
else:
1518
nonmethod_func = attribute
1101
attribute.__closure__))["func"]
1102
.cell_contents)
1519
1103
# Create a new, but exactly alike, function
1520
1104
# object, and decorate it to be a new D-Bus signal
1521
1105
# with the alternate D-Bus interface name
1522
if sys.version_info.major == 2:
1523
new_function = types.FunctionType(
1524
nonmethod_func.func_code,
1525
nonmethod_func.func_globals,
1526
nonmethod_func.func_name,
1527
nonmethod_func.func_defaults,
1528
nonmethod_func.func_closure)
1529
else:
1530
new_function = types.FunctionType(
1531
nonmethod_func.__code__,
1532
nonmethod_func.__globals__,
1533
nonmethod_func.__name__,
1534
nonmethod_func.__defaults__,
1535
nonmethod_func.__closure__)
1536
new_function = (dbus.service.signal(
1537
alt_interface,
1538
attribute._dbus_signature)(new_function))
1106
new_function = (dbus.service.signal
1107
(alt_interface,
1108
attribute._dbus_signature)
1109
(types.FunctionType(
1110
nonmethod_func.func_code,
1111
nonmethod_func.func_globals,
1112
nonmethod_func.func_name,
1113
nonmethod_func.func_defaults,
1114
nonmethod_func.func_closure)))
1539
1115
# Copy annotations, if any
1540
1116
try:
1541
new_function._dbus_annotations = dict(
1542
attribute._dbus_annotations)
1117
new_function._dbus_annotations = (
1118
dict(attribute._dbus_annotations))
1543
1119
except AttributeError:
1544
1120
pass
1545
1121
# Define a creator of a function to call both the
1550
1126
"""This function is a scope container to pass
1551
1127
func1 and func2 to the "call_both" function
1552
1128
outside of its arguments"""
1553
1554
@functools.wraps(func2)
1555
1129
def call_both(*args, **kwargs):
1556
1130
"""This function will emit two D-Bus
1557
1131
signals by calling func1 and func2"""
1558
1132
func1(*args, **kwargs)
1559
1133
func2(*args, **kwargs)
1560
# Make wrapper function look like a D-Bus signal
1561
for name, attr in inspect.getmembers(func2):
1562
if name.startswith("_dbus_"):
1563
setattr(call_both, name, attr)
1564
1565
1134
return call_both
1566
1135
# Create the "call_both" function and add it to
1567
1136
# the class
1572
1141
# object. Decorate it to be a new D-Bus method
1573
1142
# with the alternate D-Bus interface name. Add it
1574
1143
# to the class.
1575
attr[attrname] = (
1576
dbus.service.method(
1577
alt_interface,
1578
attribute._dbus_in_signature,
1579
attribute._dbus_out_signature)
1580
(types.FunctionType(attribute.func_code,
1581
attribute.func_globals,
1582
attribute.func_name,
1583
attribute.func_defaults,
1584
attribute.func_closure)))
1144
attr[attrname] = (dbus.service.method
1145
(alt_interface,
1146
attribute._dbus_in_signature,
1147
attribute._dbus_out_signature)
1148
(types.FunctionType
1149
(attribute.func_code,
1150
attribute.func_globals,
1151
attribute.func_name,
1152
attribute.func_defaults,
1153
attribute.func_closure)))
1585
1154
# Copy annotations, if any
1586
1155
try:
1587
attr[attrname]._dbus_annotations = dict(
1588
attribute._dbus_annotations)
1156
attr[attrname]._dbus_annotations = (
1157
dict(attribute._dbus_annotations))
1589
1158
except AttributeError:
1590
1159
pass
1591
1160
# Is this a D-Bus property?
1594
1163
# object, and decorate it to be a new D-Bus
1595
1164
# property with the alternate D-Bus interface
1596
1165
# name. Add it to the class.
1597
attr[attrname] = (dbus_service_property(
1598
alt_interface, attribute._dbus_signature,
1599
attribute._dbus_access,
1600
attribute._dbus_get_args_options
1601
["byte_arrays"])
1602
(types.FunctionType(
1603
attribute.func_code,
1604
attribute.func_globals,
1605
attribute.func_name,
1606
attribute.func_defaults,
1607
attribute.func_closure)))
1166
attr[attrname] = (dbus_service_property
1167
(alt_interface,
1168
attribute._dbus_signature,
1169
attribute._dbus_access,
1170
attribute
1171
._dbus_get_args_options
1172
["byte_arrays"])
1173
(types.FunctionType
1174
(attribute.func_code,
1175
attribute.func_globals,
1176
attribute.func_name,
1177
attribute.func_defaults,
1178
attribute.func_closure)))
1608
1179
# Copy annotations, if any
1609
1180
try:
1610
attr[attrname]._dbus_annotations = dict(
1611
attribute._dbus_annotations)
1181
attr[attrname]._dbus_annotations = (
1182
dict(attribute._dbus_annotations))
1612
1183
except AttributeError:
1613
1184
pass
1614
1185
# Is this a D-Bus interface?
1617
1188
# object. Decorate it to be a new D-Bus interface
1618
1189
# with the alternate D-Bus interface name. Add it
1619
1190
# to the class.
1620
attr[attrname] = (
1621
dbus_interface_annotations(alt_interface)
1622
(types.FunctionType(attribute.func_code,
1623
attribute.func_globals,
1624
attribute.func_name,
1625
attribute.func_defaults,
1626
attribute.func_closure)))
1191
attr[attrname] = (dbus_interface_annotations
1192
(alt_interface)
1193
(types.FunctionType
1194
(attribute.func_code,
1195
attribute.func_globals,
1196
attribute.func_name,
1197
attribute.func_defaults,
1198
attribute.func_closure)))
1627
1199
if deprecate:
1628
1200
# Deprecate all alternate interfaces
1629
1201
iname="_AlternateDBusNames_interface_annotation{}"
1630
1202
for interface_name in interface_names:
1631
1632
1203
@dbus_interface_annotations(interface_name)
1633
1204
def func(self):
1634
1205
return { "org.freedesktop.DBus.Deprecated":
1635
"true" }
1206
"true" }
1636
1207
# Find an unused name
1637
1208
for aname in (iname.format(i)
1638
1209
for i in itertools.count()):
1643
1214
# Replace the class with a new subclass of it with
1644
1215
# methods, signals, etc. as created above.
1645
1216
cls = type(b"{}Alternate".format(cls.__name__),
1646
(cls, ), attr)
1217
(cls,), attr)
1647
1218
return cls
1648
1649
1219
return wrapper
1650
1220
1651
1221
1652
1222
@alternate_dbus_interfaces({"se.recompile.Mandos":
1653
"se.bsnet.fukt.Mandos"})
1223
"se.bsnet.fukt.Mandos"})
1654
1224
class ClientDBus(Client, DBusObjectWithProperties):
1655
1225
"""A Client class using D-Bus
1656
1226
1660
1230
"""
1661
1231
1662
1232
runtime_expansions = (Client.runtime_expansions
1663
+ ("dbus_object_path", ))
1233
+ ("dbus_object_path",))
1664
1234
1665
1235
_interface = "se.recompile.Mandos.Client"
1666
1236
1674
1244
client_object_name = str(self.name).translate(
1675
1245
{ord("."): ord("_"),
1676
1246
ord("-"): ord("_")})
1677
self.dbus_object_path = dbus.ObjectPath(
1678
"/clients/" + client_object_name)
1247
self.dbus_object_path = (dbus.ObjectPath
1248
("/clients/" + client_object_name))
1679
1249
DBusObjectWithProperties.__init__(self, self.bus,
1680
1250
self.dbus_object_path)
1681
1251
1682
def notifychangeproperty(transform_func, dbus_name,
1683
type_func=lambda x: x,
1684
variant_level=1,
1685
invalidate_only=False,
1252
def notifychangeproperty(transform_func,
1253
dbus_name, type_func=lambda x: x,
1254
variant_level=1, invalidate_only=False,
1686
1255
_interface=_interface):
1687
1256
""" Modify a variable so that it's a property which announces
1688
1257
its changes to DBus.
1695
1264
variant_level: D-Bus variant level. Default: 1
1696
1265
"""
1697
1266
attrname = "_{}".format(dbus_name)
1698
1699
1267
def setter(self, value):
1700
1268
if hasattr(self, "dbus_object_path"):
1701
1269
if (not hasattr(self, attrname) or
1702
1270
type_func(getattr(self, attrname, None))
1703
1271
!= type_func(value)):
1704
1272
if invalidate_only:
1705
self.PropertiesChanged(
1706
_interface, dbus.Dictionary(),
1707
dbus.Array((dbus_name, )))
1273
self.PropertiesChanged(_interface,
1274
dbus.Dictionary(),
1275
dbus.Array
1276
((dbus_name,)))
1708
1277
else:
1709
dbus_value = transform_func(
1710
type_func(value),
1711
variant_level = variant_level)
1278
dbus_value = transform_func(type_func(value),
1279
variant_level
1280
=variant_level)
1712
1281
self.PropertyChanged(dbus.String(dbus_name),
1713
1282
dbus_value)
1714
self.PropertiesChanged(
1715
_interface,
1716
dbus.Dictionary({ dbus.String(dbus_name):
1717
dbus_value }),
1718
dbus.Array())
1283
self.PropertiesChanged(_interface,
1284
dbus.Dictionary({
1285
dbus.String(dbus_name):
1286
dbus_value }), dbus.Array())
1719
1287
setattr(self, attrname, value)
1720
1288
1721
1289
return property(lambda self: getattr(self, attrname), setter)
1727
1295
enabled = notifychangeproperty(dbus.Boolean, "Enabled")
1728
1296
last_enabled = notifychangeproperty(datetime_to_dbus,
1729
1297
"LastEnabled")
1730
checker = notifychangeproperty(
1731
dbus.Boolean, "CheckerRunning",
1732
type_func = lambda checker: checker is not None)
1298
checker = notifychangeproperty(dbus.Boolean, "CheckerRunning",
1299
type_func = lambda checker:
1300
checker is not None)
1733
1301
last_checked_ok = notifychangeproperty(datetime_to_dbus,
1734
1302
"LastCheckedOK")
1735
1303
last_checker_status = notifychangeproperty(dbus.Int16,
1738
1306
datetime_to_dbus, "LastApprovalRequest")
1739
1307
approved_by_default = notifychangeproperty(dbus.Boolean,
1740
1308
"ApprovedByDefault")
1741
approval_delay = notifychangeproperty(
1742
dbus.UInt64, "ApprovalDelay",
1743
type_func = lambda td: td.total_seconds() * 1000)
1309
approval_delay = notifychangeproperty(dbus.UInt64,
1310
"ApprovalDelay",
1311
type_func =
1312
lambda td: td.total_seconds()
1313
* 1000)
1744
1314
approval_duration = notifychangeproperty(
1745
1315
dbus.UInt64, "ApprovalDuration",
1746
1316
type_func = lambda td: td.total_seconds() * 1000)
1747
1317
host = notifychangeproperty(dbus.String, "Host")
1748
timeout = notifychangeproperty(
1749
dbus.UInt64, "Timeout",
1750
type_func = lambda td: td.total_seconds() * 1000)
1318
timeout = notifychangeproperty(dbus.UInt64, "Timeout",
1319
type_func = lambda td:
1320
td.total_seconds() * 1000)
1751
1321
extended_timeout = notifychangeproperty(
1752
1322
dbus.UInt64, "ExtendedTimeout",
1753
1323
type_func = lambda td: td.total_seconds() * 1000)
1754
interval = notifychangeproperty(
1755
dbus.UInt64, "Interval",
1756
type_func = lambda td: td.total_seconds() * 1000)
1324
interval = notifychangeproperty(dbus.UInt64,
1325
"Interval",
1326
type_func =
1327
lambda td: td.total_seconds()
1328
* 1000)
1757
1329
checker_command = notifychangeproperty(dbus.String, "Checker")
1758
1330
secret = notifychangeproperty(dbus.ByteArray, "Secret",
1759
1331
invalidate_only=True)
1769
1341
DBusObjectWithProperties.__del__(self, *args, **kwargs)
1770
1342
Client.__del__(self, *args, **kwargs)
1771
1343
1772
def checker_callback(self, source, condition,
1773
connection, command, *args, **kwargs):
1774
ret = Client.checker_callback(self, source, condition,
1775
connection, command, *args,
1776
**kwargs)
1777
exitstatus = self.last_checker_status
1778
if exitstatus >= 0:
1344
def checker_callback(self, pid, condition, command,
1345
*args, **kwargs):
1346
self.checker_callback_tag = None
1347
self.checker = None
1348
if os.WIFEXITED(condition):
1349
exitstatus = os.WEXITSTATUS(condition)
1779
1350
# Emit D-Bus signal
1780
1351
self.CheckerCompleted(dbus.Int16(exitstatus),
1781
# This is specific to GNU libC
1782
dbus.Int64(exitstatus << 8),
1352
dbus.Int64(condition),
1783
1353
dbus.String(command))
1784
1354
else:
1785
1355
# Emit D-Bus signal
1786
1356
self.CheckerCompleted(dbus.Int16(-1),
1787
dbus.Int64(
1788
# This is specific to GNU libC
1789
(exitstatus << 8)
1790
| self.last_checker_signal),
1357
dbus.Int64(condition),
1791
1358
dbus.String(command))
1792
return ret
1359
1360
return Client.checker_callback(self, pid, condition, command,
1361
*args, **kwargs)
1793
1362
1794
1363
def start_checker(self, *args, **kwargs):
1795
1364
old_checker_pid = getattr(self.checker, "pid", None)
1870
1439
self.checked_ok()
1871
1440
1872
1441
# Enable - method
1873
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1874
1442
@dbus.service.method(_interface)
1875
1443
def Enable(self):
1876
1444
"D-Bus method"
1877
1445
self.enable()
1878
1446
1879
1447
# StartChecker - method
1880
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1881
1448
@dbus.service.method(_interface)
1882
1449
def StartChecker(self):
1883
1450
"D-Bus method"
1884
1451
self.start_checker()
1885
1452
1886
1453
# Disable - method
1887
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1888
1454
@dbus.service.method(_interface)
1889
1455
def Disable(self):
1890
1456
"D-Bus method"
1891
1457
self.disable()
1892
1458
1893
1459
# StopChecker - method
1894
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1895
1460
@dbus.service.method(_interface)
1896
1461
def StopChecker(self):
1897
1462
self.stop_checker()
1904
1469
return dbus.Boolean(bool(self.approvals_pending))
1905
1470
1906
1471
# ApprovedByDefault - property
1907
@dbus_service_property(_interface,
1908
signature="b",
1472
@dbus_service_property(_interface, signature="b",
1909
1473
access="readwrite")
1910
1474
def ApprovedByDefault_dbus_property(self, value=None):
1911
1475
if value is None: # get
1913
1477
self.approved_by_default = bool(value)
1914
1478
1915
1479
# ApprovalDelay - property
1916
@dbus_service_property(_interface,
1917
signature="t",
1480
@dbus_service_property(_interface, signature="t",
1918
1481
access="readwrite")
1919
1482
def ApprovalDelay_dbus_property(self, value=None):
1920
1483
if value is None: # get
1923
1486
self.approval_delay = datetime.timedelta(0, 0, 0, value)
1924
1487
1925
1488
# ApprovalDuration - property
1926
@dbus_service_property(_interface,
1927
signature="t",
1489
@dbus_service_property(_interface, signature="t",
1928
1490
access="readwrite")
1929
1491
def ApprovalDuration_dbus_property(self, value=None):
1930
1492
if value is None: # get
1933
1495
self.approval_duration = datetime.timedelta(0, 0, 0, value)
1934
1496
1935
1497
# Name - property
1936
@dbus_annotations(
1937
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
1938
1498
@dbus_service_property(_interface, signature="s", access="read")
1939
1499
def Name_dbus_property(self):
1940
1500
return dbus.String(self.name)
1941
1501
1942
1502
# Fingerprint - property
1943
@dbus_annotations(
1944
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
1945
1503
@dbus_service_property(_interface, signature="s", access="read")
1946
1504
def Fingerprint_dbus_property(self):
1947
1505
return dbus.String(self.fingerprint)
1948
1506
1949
1507
# Host - property
1950
@dbus_service_property(_interface,
1951
signature="s",
1508
@dbus_service_property(_interface, signature="s",
1952
1509
access="readwrite")
1953
1510
def Host_dbus_property(self, value=None):
1954
1511
if value is None: # get
1956
1513
self.host = str(value)
1957
1514
1958
1515
# Created - property
1959
@dbus_annotations(
1960
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
1961
1516
@dbus_service_property(_interface, signature="s", access="read")
1962
1517
def Created_dbus_property(self):
1963
1518
return datetime_to_dbus(self.created)
1968
1523
return datetime_to_dbus(self.last_enabled)
1969
1524
1970
1525
# Enabled - property
1971
@dbus_service_property(_interface,
1972
signature="b",
1526
@dbus_service_property(_interface, signature="b",
1973
1527
access="readwrite")
1974
1528
def Enabled_dbus_property(self, value=None):
1975
1529
if value is None: # get
1980
1534
self.disable()
1981
1535
1982
1536
# LastCheckedOK - property
1983
@dbus_service_property(_interface,
1984
signature="s",
1537
@dbus_service_property(_interface, signature="s",
1985
1538
access="readwrite")
1986
1539
def LastCheckedOK_dbus_property(self, value=None):
1987
1540
if value is not None:
1990
1543
return datetime_to_dbus(self.last_checked_ok)
1991
1544
1992
1545
# LastCheckerStatus - property
1993
@dbus_service_property(_interface, signature="n", access="read")
1546
@dbus_service_property(_interface, signature="n",
1547
access="read")
1994
1548
def LastCheckerStatus_dbus_property(self):
1995
1549
return dbus.Int16(self.last_checker_status)
1996
1550
2005
1559
return datetime_to_dbus(self.last_approval_request)
2006
1560
2007
1561
# Timeout - property
2008
@dbus_service_property(_interface,
2009
signature="t",
1562
@dbus_service_property(_interface, signature="t",
2010
1563
access="readwrite")
2011
1564
def Timeout_dbus_property(self, value=None):
2012
1565
if value is None: # get
2025
1578
is None):
2026
1579
return
2027
1580
gobject.source_remove(self.disable_initiator_tag)
2028
self.disable_initiator_tag = gobject.timeout_add(
2029
int((self.expires - now).total_seconds() * 1000),
2030
self.disable)
1581
self.disable_initiator_tag = (
1582
gobject.timeout_add(
1583
int((self.expires - now).total_seconds()
1584
* 1000), self.disable))
2031
1585
2032
1586
# ExtendedTimeout - property
2033
@dbus_service_property(_interface,
2034
signature="t",
1587
@dbus_service_property(_interface, signature="t",
2035
1588
access="readwrite")
2036
1589
def ExtendedTimeout_dbus_property(self, value=None):
2037
1590
if value is None: # get
2040
1593
self.extended_timeout = datetime.timedelta(0, 0, 0, value)
2041
1594
2042
1595
# Interval - property
2043
@dbus_service_property(_interface,
2044
signature="t",
1596
@dbus_service_property(_interface, signature="t",
2045
1597
access="readwrite")
2046
1598
def Interval_dbus_property(self, value=None):
2047
1599
if value is None: # get
2052
1604
if self.enabled:
2053
1605
# Reschedule checker run
2054
1606
gobject.source_remove(self.checker_initiator_tag)
2055
self.checker_initiator_tag = gobject.timeout_add(
2056
value, self.start_checker)
2057
self.start_checker() # Start one now, too
1607
self.checker_initiator_tag = (gobject.timeout_add
1608
(value, self.start_checker))
1609
self.start_checker() # Start one now, too
2058
1610
2059
1611
# Checker - property
2060
@dbus_service_property(_interface,
2061
signature="s",
1612
@dbus_service_property(_interface, signature="s",
2062
1613
access="readwrite")
2063
1614
def Checker_dbus_property(self, value=None):
2064
1615
if value is None: # get
2066
1617
self.checker_command = str(value)
2067
1618
2068
1619
# CheckerRunning - property
2069
@dbus_service_property(_interface,
2070
signature="b",
1620
@dbus_service_property(_interface, signature="b",
2071
1621
access="readwrite")
2072
1622
def CheckerRunning_dbus_property(self, value=None):
2073
1623
if value is None: # get
2078
1628
self.stop_checker()
2079
1629
2080
1630
# ObjectPath - property
2081
@dbus_annotations(
2082
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const",
2083
"org.freedesktop.DBus.Deprecated": "true"})
2084
1631
@dbus_service_property(_interface, signature="o", access="read")
2085
1632
def ObjectPath_dbus_property(self):
2086
1633
return self.dbus_object_path # is already a dbus.ObjectPath
2087
1634
2088
1635
# Secret = property
2089
@dbus_annotations(
2090
{"org.freedesktop.DBus.Property.EmitsChangedSignal":
2091
"invalidates"})
2092
@dbus_service_property(_interface,
2093
signature="ay",
2094
access="write",
2095
byte_arrays=True)
1636
@dbus_service_property(_interface, signature="ay",
1637
access="write", byte_arrays=True)
2096
1638
def Secret_dbus_property(self, value):
2097
1639
self.secret = bytes(value)
2098
1640
2104
1646
self._pipe = child_pipe
2105
1647
self._pipe.send(('init', fpr, address))
2106
1648
if not self._pipe.recv():
2107
raise KeyError(fpr)
1649
raise KeyError()
2108
1650
2109
1651
def __getattribute__(self, name):
2110
1652
if name == '_pipe':
2114
1656
if data[0] == 'data':
2115
1657
return data[1]
2116
1658
if data[0] == 'function':
2117
2118
1659
def func(*args, **kwargs):
2119
1660
self._pipe.send(('funcall', name, args, kwargs))
2120
1661
return self._pipe.recv()[1]
2121
2122
1662
return func
2123
1663
2124
1664
def __setattr__(self, name, value):
2140
1680
logger.debug("Pipe FD: %d",
2141
1681
self.server.child_pipe.fileno())
2142
1682
2143
session = gnutls.ClientSession(self.request)
1683
session = (gnutls.connection
1684
.ClientSession(self.request,
1685
gnutls.connection
1686
.X509Credentials()))
1687
1688
# Note: gnutls.connection.X509Credentials is really a
1689
# generic GnuTLS certificate credentials object so long as
1690
# no X.509 keys are added to it. Therefore, we can use it
1691
# here despite using OpenPGP certificates.
2144
1692
2145
1693
#priority = ':'.join(("NONE", "+VERS-TLS1.1",
2146
1694
# "+AES-256-CBC", "+SHA1",
2150
1698
priority = self.server.gnutls_priority
2151
1699
if priority is None:
2152
1700
priority = "NORMAL"
2153
gnutls.priority_set_direct(session._c_object, priority,
2154
None)
1701
(gnutls.library.functions
1702
.gnutls_priority_set_direct(session._c_object,
1703
priority, None))
2155
1704
2156
1705
# Start communication using the Mandos protocol
2157
1706
# Get protocol number
2167
1716
# Start GnuTLS connection
2168
1717
try:
2169
1718
session.handshake()
2170
except gnutls.Error as error:
1719
except gnutls.errors.GNUTLSError as error:
2171
1720
logger.warning("Handshake failed: %s", error)
2172
1721
# Do not run session.bye() here: the session is not
2173
1722
# established. Just abandon the request.
2177
1726
approval_required = False
2178
1727
try:
2179
1728
try:
2180
fpr = self.fingerprint(
2181
self.peer_certificate(session))
2182
except (TypeError, gnutls.Error) as error:
1729
fpr = self.fingerprint(self.peer_certificate
1730
(session))
1731
except (TypeError,
1732
gnutls.errors.GNUTLSError) as error:
2183
1733
logger.warning("Bad certificate: %s", error)
2184
1734
return
2185
1735
logger.debug("Fingerprint: %s", fpr)
2198
1748
while True:
2199
1749
if not client.enabled:
2200
1750
logger.info("Client %s is disabled",
2201
client.name)
1751
client.name)
2202
1752
if self.server.use_dbus:
2203
1753
# Emit D-Bus signal
2204
1754
client.Rejected("Disabled")
2243
1793
else:
2244
1794
delay -= time2 - time
2245
1795
2246
try:
2247
session.send(client.secret)
2248
except gnutls.Error as error:
2249
logger.warning("gnutls send failed",
2250
exc_info = error)
2251
return
1796
sent_size = 0
1797
while sent_size < len(client.secret):
1798
try:
1799
sent = session.send(client.secret[sent_size:])
1800
except gnutls.errors.GNUTLSError as error:
1801
logger.warning("gnutls send failed",
1802
exc_info=error)
1803
return
1804
logger.debug("Sent: %d, remaining: %d",
1805
sent, len(client.secret)
1806
- (sent_size + sent))
1807
sent_size += sent
2252
1808
2253
1809
logger.info("Sending secret to %s", client.name)
2254
1810
# bump the timeout using extended_timeout
2262
1818
client.approvals_pending -= 1
2263
1819
try:
2264
1820
session.bye()
2265
except gnutls.Error as error:
1821
except gnutls.errors.GNUTLSError as error:
2266
1822
logger.warning("GnuTLS bye failed",
2267
1823
exc_info=error)
2268
1824
2270
1826
def peer_certificate(session):
2271
1827
"Return the peer's OpenPGP certificate as a bytestring"
2272
1828
# If not an OpenPGP certificate...
2273
if (gnutls.certificate_type_get(session._c_object)
2274
!= gnutls.CRT_OPENPGP):
2275
# ...return invalid data
2276
return b""
1829
if (gnutls.library.functions
1830
.gnutls_certificate_type_get(session._c_object)
1831
!= gnutls.library.constants.GNUTLS_CRT_OPENPGP):
1832
# ...do the normal thing
1833
return session.peer_certificate
2277
1834
list_size = ctypes.c_uint(1)
2278
cert_list = (gnutls.certificate_get_peers
1835
cert_list = (gnutls.library.functions
1836
.gnutls_certificate_get_peers
2279
1837
(session._c_object, ctypes.byref(list_size)))
2280
1838
if not bool(cert_list) and list_size.value != 0:
2281
raise gnutls.Error("error getting peer certificate")
1839
raise gnutls.errors.GNUTLSError("error getting peer"
1840
" certificate")
2282
1841
if list_size.value == 0:
2283
1842
return None
2284
1843
cert = cert_list[0]
2288
1847
def fingerprint(openpgp):
2289
1848
"Convert an OpenPGP bytestring to a hexdigit fingerprint"
2290
1849
# New GnuTLS "datum" with the OpenPGP public key
2291
datum = gnutls.datum_t(
2292
ctypes.cast(ctypes.c_char_p(openpgp),
2293
ctypes.POINTER(ctypes.c_ubyte)),
2294
ctypes.c_uint(len(openpgp)))
1850
datum = (gnutls.library.types
1851
.gnutls_datum_t(ctypes.cast(ctypes.c_char_p(openpgp),
1852
ctypes.POINTER
1853
(ctypes.c_ubyte)),
1854
ctypes.c_uint(len(openpgp))))
2295
1855
# New empty GnuTLS certificate
2296
crt = gnutls.openpgp_crt_t()
2297
gnutls.openpgp_crt_init(ctypes.byref(crt))
1856
crt = gnutls.library.types.gnutls_openpgp_crt_t()
1857
(gnutls.library.functions
1858
.gnutls_openpgp_crt_init(ctypes.byref(crt)))
2298
1859
# Import the OpenPGP public key into the certificate
2299
gnutls.openpgp_crt_import(crt, ctypes.byref(datum),
2300
gnutls.OPENPGP_FMT_RAW)
1860
(gnutls.library.functions
1861
.gnutls_openpgp_crt_import(crt, ctypes.byref(datum),
1862
gnutls.library.constants
1863
.GNUTLS_OPENPGP_FMT_RAW))
2301
1864
# Verify the self signature in the key
2302
1865
crtverify = ctypes.c_uint()
2303
gnutls.openpgp_crt_verify_self(crt, 0,
2304
ctypes.byref(crtverify))
1866
(gnutls.library.functions
1867
.gnutls_openpgp_crt_verify_self(crt, 0,
1868
ctypes.byref(crtverify)))
2305
1869
if crtverify.value != 0:
2306
gnutls.openpgp_crt_deinit(crt)
2307
raise gnutls.CertificateSecurityError("Verify failed")
1870
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
1871
raise (gnutls.errors.CertificateSecurityError
1872
("Verify failed"))
2308
1873
# New buffer for the fingerprint
2309
1874
buf = ctypes.create_string_buffer(20)
2310
1875
buf_len = ctypes.c_size_t()
2311
1876
# Get the fingerprint from the certificate into the buffer
2312
gnutls.openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
2313
ctypes.byref(buf_len))
1877
(gnutls.library.functions
1878
.gnutls_openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
1879
ctypes.byref(buf_len)))
2314
1880
# Deinit the certificate
2315
gnutls.openpgp_crt_deinit(crt)
1881
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
2316
1882
# Convert the buffer to a Python bytestring
2317
1883
fpr = ctypes.string_at(buf, buf_len.value)
2318
1884
# Convert the bytestring to hexadecimal notation
2322
1888
2323
1889
class MultiprocessingMixIn(object):
2324
1890
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
2325
2326
1891
def sub_process_main(self, request, address):
2327
1892
try:
2328
1893
self.finish_request(request, address)
2340
1905
2341
1906
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
2342
1907
""" adds a pipe to the MixIn """
2343
2344
1908
def process_request(self, request, client_address):
2345
1909
"""Overrides and wraps the original process_request().
2346
1910
2367
1931
interface: None or a network interface name (string)
2368
1932
use_ipv6: Boolean; to use IPv6 or not
2369
1933
"""
2370
2371
1934
def __init__(self, server_address, RequestHandlerClass,
2372
interface=None,
2373
use_ipv6=True,
2374
socketfd=None):
1935
interface=None, use_ipv6=True, socketfd=None):
2375
1936
"""If socketfd is set, use that file descriptor instead of
2376
1937
creating a new one with socket.socket().
2377
1938
"""
2418
1979
self.interface)
2419
1980
else:
2420
1981
try:
2421
self.socket.setsockopt(
2422
socket.SOL_SOCKET, SO_BINDTODEVICE,
2423
(self.interface + "\0").encode("utf-8"))
1982
self.socket.setsockopt(socket.SOL_SOCKET,
1983
SO_BINDTODEVICE,
1984
(self.interface + "\0")
1985
.encode("utf-8"))
2424
1986
except socket.error as error:
2425
1987
if error.errno == errno.EPERM:
2426
1988
logger.error("No permission to bind to"
2444
2006
self.server_address = (any_address,
2445
2007
self.server_address[1])
2446
2008
elif not self.server_address[1]:
2447
self.server_address = (self.server_address[0], 0)
2009
self.server_address = (self.server_address[0],
2010
0)
2448
2011
# if self.interface:
2449
2012
# self.server_address = (self.server_address[0],
2450
2013
# 0, # port
2464
2027
2465
2028
Assumes a gobject.MainLoop event loop.
2466
2029
"""
2467
2468
2030
def __init__(self, server_address, RequestHandlerClass,
2469
interface=None,
2470
use_ipv6=True,
2471
clients=None,
2472
gnutls_priority=None,
2473
use_dbus=True,
2474
socketfd=None):
2031
interface=None, use_ipv6=True, clients=None,
2032
gnutls_priority=None, use_dbus=True, socketfd=None):
2475
2033
self.enabled = False
2476
2034
self.clients = clients
2477
2035
if self.clients is None:
2483
2041
interface = interface,
2484
2042
use_ipv6 = use_ipv6,
2485
2043
socketfd = socketfd)
2486
2487
2044
def server_activate(self):
2488
2045
if self.enabled:
2489
2046
return socketserver.TCPServer.server_activate(self)
2493
2050
2494
2051
def add_pipe(self, parent_pipe, proc):
2495
2052
# Call "handle_ipc" for both data and EOF events
2496
gobject.io_add_watch(
2497
parent_pipe.fileno(),
2498
gobject.IO_IN | gobject.IO_HUP,
2499
functools.partial(self.handle_ipc,
2500
parent_pipe = parent_pipe,
2501
proc = proc))
2053
gobject.io_add_watch(parent_pipe.fileno(),
2054
gobject.IO_IN | gobject.IO_HUP,
2055
functools.partial(self.handle_ipc,
2056
parent_pipe =
2057
parent_pipe,
2058
proc = proc))
2502
2059
2503
def handle_ipc(self, source, condition,
2504
parent_pipe=None,
2505
proc = None,
2506
client_object=None):
2060
def handle_ipc(self, source, condition, parent_pipe=None,
2061
proc = None, client_object=None):
2507
2062
# error, or the other end of multiprocessing.Pipe has closed
2508
2063
if condition & (gobject.IO_ERR | gobject.IO_HUP):
2509
2064
# Wait for other process to exit
2532
2087
parent_pipe.send(False)
2533
2088
return False
2534
2089
2535
gobject.io_add_watch(
2536
parent_pipe.fileno(),
2537
gobject.IO_IN | gobject.IO_HUP,
2538
functools.partial(self.handle_ipc,
2539
parent_pipe = parent_pipe,
2540
proc = proc,
2541
client_object = client))
2090
gobject.io_add_watch(parent_pipe.fileno(),
2091
gobject.IO_IN | gobject.IO_HUP,
2092
functools.partial(self.handle_ipc,
2093
parent_pipe =
2094
parent_pipe,
2095
proc = proc,
2096
client_object =
2097
client))
2542
2098
parent_pipe.send(True)
2543
2099
# remove the old hook in favor of the new above hook on
2544
2100
# same fileno
2550
2106
2551
2107
parent_pipe.send(('data', getattr(client_object,
2552
2108
funcname)(*args,
2553
**kwargs)))
2109
**kwargs)))
2554
2110
2555
2111
if command == 'getattr':
2556
2112
attrname = request[1]
2557
if isinstance(client_object.__getattribute__(attrname),
2558
collections.Callable):
2559
parent_pipe.send(('function', ))
2113
if callable(client_object.__getattribute__(attrname)):
2114
parent_pipe.send(('function',))
2560
2115
else:
2561
parent_pipe.send((
2562
'data', client_object.__getattribute__(attrname)))
2116
parent_pipe.send(('data', client_object
2117
.__getattribute__(attrname)))
2563
2118
2564
2119
if command == 'setattr':
2565
2120
attrname = request[1]
2596
2151
# avoid excessive use of external libraries.
2597
2152
2598
2153
# New type for defining tokens, syntax, and semantics all-in-one
2599
Token = collections.namedtuple("Token", (
2600
"regexp", # To match token; if "value" is not None, must have
2601
# a "group" containing digits
2602
"value", # datetime.timedelta or None
2603
"followers")) # Tokens valid after this token
2154
Token = collections.namedtuple("Token",
2155
("regexp", # To match token; if
2156
# "value" is not None,
2157
# must have a "group"
2158
# containing digits
2159
"value", # datetime.timedelta or
2160
# None
2161
"followers")) # Tokens valid after
2162
# this token
2604
2163
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
2605
2164
# the "duration" ABNF definition in RFC 3339, Appendix A.
2606
2165
token_end = Token(re.compile(r"$"), None, frozenset())
2607
2166
token_second = Token(re.compile(r"(\d+)S"),
2608
2167
datetime.timedelta(seconds=1),
2609
frozenset((token_end, )))
2168
frozenset((token_end,)))
2610
2169
token_minute = Token(re.compile(r"(\d+)M"),
2611
2170
datetime.timedelta(minutes=1),
2612
2171
frozenset((token_second, token_end)))
2628
2187
frozenset((token_month, token_end)))
2629
2188
token_week = Token(re.compile(r"(\d+)W"),
2630
2189
datetime.timedelta(weeks=1),
2631
frozenset((token_end, )))
2190
frozenset((token_end,)))
2632
2191
token_duration = Token(re.compile(r"P"), None,
2633
2192
frozenset((token_year, token_month,
2634
2193
token_day, token_time,
2636
2195
# Define starting values
2637
2196
value = datetime.timedelta() # Value so far
2638
2197
found_token = None
2639
followers = frozenset((token_duration, )) # Following valid tokens
2198
followers = frozenset((token_duration,)) # Following valid tokens
2640
2199
s = duration # String left to parse
2641
2200
# Loop until end token is found
2642
2201
while found_token is not token_end:
2659
2218
break
2660
2219
else:
2661
2220
# No currently valid tokens were found
2662
raise ValueError("Invalid RFC 3339 duration: {!r}"
2663
.format(duration))
2221
raise ValueError("Invalid RFC 3339 duration")
2664
2222
# End token found
2665
2223
return value
2666
2224
2703
2261
elif suffix == "w":
2704
2262
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
2705
2263
else:
2706
raise ValueError("Unknown suffix {!r}".format(suffix))
2264
raise ValueError("Unknown suffix {!r}"
2265
.format(suffix))
2707
2266
except IndexError as e:
2708
2267
raise ValueError(*(e.args))
2709
2268
timevalue += delta
2725
2284
# Close all standard open file descriptors
2726
2285
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
2727
2286
if not stat.S_ISCHR(os.fstat(null).st_mode):
2728
raise OSError(errno.ENODEV,
2729
"{} not a character device"
2287
raise OSError(errno.ENODEV, "{} not a character device"
2730
2288
.format(os.devnull))
2731
2289
os.dup2(null, sys.stdin.fileno())
2732
2290
os.dup2(null, sys.stdout.fileno())
2798
2356
"port": "",
2799
2357
"debug": "False",
2800
2358
"priority":
2801
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
2802
":+SIGN-DSA-SHA256",
2359
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:+SIGN-RSA-SHA224:+SIGN-RSA-RMD160",
2803
2360
"servicename": "Mandos",
2804
2361
"use_dbus": "True",
2805
2362
"use_ipv6": "True",
2809
2366
"statedir": "/var/lib/mandos",
2810
2367
"foreground": "False",
2811
2368
"zeroconf": "True",
2812
}
2369
}
2813
2370
2814
2371
# Parse config file for server-global settings
2815
2372
server_config = configparser.SafeConfigParser(server_defaults)
2816
2373
del server_defaults
2817
server_config.read(os.path.join(options.configdir, "mandos.conf"))
2374
server_config.read(os.path.join(options.configdir,
2375
"mandos.conf"))
2818
2376
# Convert the SafeConfigParser object to a dict
2819
2377
server_settings = server_config.defaults()
2820
2378
# Use the appropriate methods on the non-string config options
2838
2396
# Override the settings from the config file with command line
2839
2397
# options, if set.
2840
2398
for option in ("interface", "address", "port", "debug",
2841
"priority", "servicename", "configdir", "use_dbus",
2842
"use_ipv6", "debuglevel", "restore", "statedir",
2843
"socket", "foreground", "zeroconf"):
2399
"priority", "servicename", "configdir",
2400
"use_dbus", "use_ipv6", "debuglevel", "restore",
2401
"statedir", "socket", "foreground", "zeroconf"):
2844
2402
value = getattr(options, option)
2845
2403
if value is not None:
2846
2404
server_settings[option] = value
2861
2419
2862
2420
##################################################################
2863
2421
2864
if (not server_settings["zeroconf"]
2865
and not (server_settings["port"]
2866
or server_settings["socket"] != "")):
2867
parser.error("Needs port or socket to work without Zeroconf")
2422
if (not server_settings["zeroconf"] and
2423
not (server_settings["port"]
2424
or server_settings["socket"] != "")):
2425
parser.error("Needs port or socket to work without"
2426
" Zeroconf")
2868
2427
2869
2428
# For convenience
2870
2429
debug = server_settings["debug"]
2886
2445
initlogger(debug, level)
2887
2446
2888
2447
if server_settings["servicename"] != "Mandos":
2889
syslogger.setFormatter(
2890
logging.Formatter('Mandos ({}) [%(process)d]:'
2891
' %(levelname)s: %(message)s'.format(
2892
server_settings["servicename"])))
2448
syslogger.setFormatter(logging.Formatter
2449
('Mandos ({}) [%(process)d]:'
2450
' %(levelname)s: %(message)s'
2451
.format(server_settings
2452
["servicename"])))
2893
2453
2894
2454
# Parse config file with clients
2895
2455
client_config = configparser.SafeConfigParser(Client
2903
2463
socketfd = None
2904
2464
if server_settings["socket"] != "":
2905
2465
socketfd = server_settings["socket"]
2906
tcp_server = MandosServer(
2907
(server_settings["address"], server_settings["port"]),
2908
ClientHandler,
2909
interface=(server_settings["interface"] or None),
2910
use_ipv6=use_ipv6,
2911
gnutls_priority=server_settings["priority"],
2912
use_dbus=use_dbus,
2913
socketfd=socketfd)
2466
tcp_server = MandosServer((server_settings["address"],
2467
server_settings["port"]),
2468
ClientHandler,
2469
interface=(server_settings["interface"]
2470
or None),
2471
use_ipv6=use_ipv6,
2472
gnutls_priority=
2473
server_settings["priority"],
2474
use_dbus=use_dbus,
2475
socketfd=socketfd)
2914
2476
if not foreground:
2915
2477
pidfilename = "/run/mandos.pid"
2916
2478
if not os.path.isdir("/run/."):
2917
2479
pidfilename = "/var/run/mandos.pid"
2918
2480
pidfile = None
2919
2481
try:
2920
pidfile = codecs.open(pidfilename, "w", encoding="utf-8")
2482
pidfile = open(pidfilename, "w")
2921
2483
except IOError as e:
2922
2484
logger.error("Could not open file %r", pidfilename,
2923
2485
exc_info=e)
2944
2506
2945
2507
# "Use a log level over 10 to enable all debugging options."
2946
2508
# - GnuTLS manual
2947
gnutls.global_set_log_level(11)
2509
gnutls.library.functions.gnutls_global_set_log_level(11)
2948
2510
2949
@gnutls.log_func
2511
@gnutls.library.types.gnutls_log_func
2950
2512
def debug_gnutls(level, string):
2951
2513
logger.debug("GnuTLS: %s", string[:-1])
2952
2514
2953
gnutls.global_set_log_function(debug_gnutls)
2515
(gnutls.library.functions
2516
.gnutls_global_set_log_function(debug_gnutls))
2954
2517
2955
2518
# Redirect stdin so all checkers get /dev/null
2956
2519
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
2976
2539
if use_dbus:
2977
2540
try:
2978
2541
bus_name = dbus.service.BusName("se.recompile.Mandos",
2979
bus,
2980
do_not_queue=True)
2981
old_bus_name = dbus.service.BusName(
2982
"se.bsnet.fukt.Mandos", bus,
2983
do_not_queue=True)
2984
except dbus.exceptions.DBusException as e:
2542
bus, do_not_queue=True)
2543
old_bus_name = (dbus.service.BusName
2544
("se.bsnet.fukt.Mandos", bus,
2545
do_not_queue=True))
2546
except dbus.exceptions.NameExistsException as e:
2985
2547
logger.error("Disabling D-Bus:", exc_info=e)
2986
2548
use_dbus = False
2987
2549
server_settings["use_dbus"] = False
2988
2550
tcp_server.use_dbus = False
2989
2551
if zeroconf:
2990
2552
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
2991
service = AvahiServiceToSyslog(
2992
name = server_settings["servicename"],
2993
servicetype = "_mandos._tcp",
2994
protocol = protocol,
2995
bus = bus)
2553
service = AvahiServiceToSyslog(name =
2554
server_settings["servicename"],
2555
servicetype = "_mandos._tcp",
2556
protocol = protocol, bus = bus)
2996
2557
if server_settings["interface"]:
2997
service.interface = if_nametoindex(
2998
server_settings["interface"].encode("utf-8"))
2558
service.interface = (if_nametoindex
2559
(server_settings["interface"]
2560
.encode("utf-8")))
2999
2561
3000
2562
global multiprocessing_manager
3001
2563
multiprocessing_manager = multiprocessing.Manager()
3020
2582
if server_settings["restore"]:
3021
2583
try:
3022
2584
with open(stored_state_path, "rb") as stored_state:
3023
clients_data, old_client_settings = pickle.load(
3024
stored_state)
2585
clients_data, old_client_settings = (pickle.load
2586
(stored_state))
3025
2587
os.remove(stored_state_path)
3026
2588
except IOError as e:
3027
2589
if e.errno == errno.ENOENT:
3028
logger.warning("Could not load persistent state:"
3029
" {}".format(os.strerror(e.errno)))
2590
logger.warning("Could not load persistent state: {}"
2591
.format(os.strerror(e.errno)))
3030
2592
else:
3031
2593
logger.critical("Could not load persistent state:",
3032
2594
exc_info=e)
3033
2595
raise
3034
2596
except EOFError as e:
3035
2597
logger.warning("Could not load persistent state: "
3036
"EOFError:",
3037
exc_info=e)
2598
"EOFError:", exc_info=e)
3038
2599
3039
2600
with PGPEngine() as pgp:
3040
2601
for client_name, client in clients_data.items():
3052
2613
# For each value in new config, check if it
3053
2614
# differs from the old config value (Except for
3054
2615
# the "secret" attribute)
3055
if (name != "secret"
3056
and (value !=
3057
old_client_settings[client_name][name])):
2616
if (name != "secret" and
2617
value != old_client_settings[client_name]
2618
[name]):
3058
2619
client[name] = value
3059
2620
except KeyError:
3060
2621
pass
3061
2622
3062
2623
# Clients who has passed its expire date can still be
3063
# enabled if its last checker was successful. A Client
2624
# enabled if its last checker was successful. Clients
3064
2625
# whose checker succeeded before we stored its state is
3065
2626
# assumed to have successfully run all checkers during
3066
2627
# downtime.
3069
2630
if not client["last_checked_ok"]:
3070
2631
logger.warning(
3071
2632
"disabling client {} - Client never "
3072
"performed a successful checker".format(
3073
client_name))
2633
"performed a successful checker"
2634
.format(client_name))
3074
2635
client["enabled"] = False
3075
2636
elif client["last_checker_status"] != 0:
3076
2637
logger.warning(
3077
2638
"disabling client {} - Client last"
3078
" checker failed with error code"
3079
" {}".format(
3080
client_name,
3081
client["last_checker_status"]))
2639
" checker failed with error code {}"
2640
.format(client_name,
2641
client["last_checker_status"]))
3082
2642
client["enabled"] = False
3083
2643
else:
3084
client["expires"] = (
3085
datetime.datetime.utcnow()
3086
+ client["timeout"])
2644
client["expires"] = (datetime.datetime
2645
.utcnow()
2646
+ client["timeout"])
3087
2647
logger.debug("Last checker succeeded,"
3088
" keeping {} enabled".format(
3089
client_name))
2648
" keeping {} enabled"
2649
.format(client_name))
3090
2650
try:
3091
client["secret"] = pgp.decrypt(
3092
client["encrypted_secret"],
3093
client_settings[client_name]["secret"])
2651
client["secret"] = (
2652
pgp.decrypt(client["encrypted_secret"],
2653
client_settings[client_name]
2654
["secret"]))
3094
2655
except PGPError:
3095
2656
# If decryption fails, we use secret from new settings
3096
logger.debug("Failed to decrypt {} old secret".format(
3097
client_name))
3098
client["secret"] = (client_settings[client_name]
3099
["secret"])
2657
logger.debug("Failed to decrypt {} old secret"
2658
.format(client_name))
2659
client["secret"] = (
2660
client_settings[client_name]["secret"])
3100
2661
3101
2662
# Add/remove clients based on new changes made to config
3102
2663
for client_name in (set(old_client_settings)
3109
2670
# Create all client objects
3110
2671
for client_name, client in clients_data.items():
3111
2672
tcp_server.clients[client_name] = client_class(
3112
name = client_name,
3113
settings = client,
2673
name = client_name, settings = client,
3114
2674
server_settings = server_settings)
3115
2675
3116
2676
if not tcp_server.clients:
3118
2678
3119
2679
if not foreground:
3120
2680
if pidfile is not None:
3121
pid = os.getpid()
3122
2681
try:
3123
2682
with pidfile:
3124
print(pid, file=pidfile)
2683
pid = os.getpid()
2684
pidfile.write("{}\n".format(pid).encode("utf-8"))
3125
2685
except IOError:
3126
2686
logger.error("Could not write to file %r with PID %d",
3127
2687
pidfilename, pid)
3132
2692
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
3133
2693
3134
2694
if use_dbus:
3135
3136
@alternate_dbus_interfaces(
3137
{ "se.recompile.Mandos": "se.bsnet.fukt.Mandos" })
3138
class MandosDBusService(DBusObjectWithObjectManager):
2695
@alternate_dbus_interfaces({"se.recompile.Mandos":
2696
"se.bsnet.fukt.Mandos"})
2697
class MandosDBusService(DBusObjectWithProperties):
3139
2698
"""A D-Bus proxy object"""
3140
3141
2699
def __init__(self):
3142
2700
dbus.service.Object.__init__(self, bus, "/")
3143
3144
2701
_interface = "se.recompile.Mandos"
3145
2702
2703
@dbus_interface_annotations(_interface)
2704
def _foo(self):
2705
return { "org.freedesktop.DBus.Property"
2706
".EmitsChangedSignal":
2707
"false"}
2708
3146
2709
@dbus.service.signal(_interface, signature="o")
3147
2710
def ClientAdded(self, objpath):
3148
2711
"D-Bus signal"
3153
2716
"D-Bus signal"
3154
2717
pass
3155
2718
3156
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3157
"true"})
3158
2719
@dbus.service.signal(_interface, signature="os")
3159
2720
def ClientRemoved(self, objpath, name):
3160
2721
"D-Bus signal"
3161
2722
pass
3162
2723
3163
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3164
"true"})
3165
2724
@dbus.service.method(_interface, out_signature="ao")
3166
2725
def GetAllClients(self):
3167
2726
"D-Bus method"
3168
return dbus.Array(c.dbus_object_path for c in
2727
return dbus.Array(c.dbus_object_path
2728
for c in
3169
2729
tcp_server.clients.itervalues())
3170
2730
3171
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3172
"true"})
3173
2731
@dbus.service.method(_interface,
3174
2732
out_signature="a{oa{sv}}")
3175
2733
def GetAllClientsWithProperties(self):
3176
2734
"D-Bus method"
3177
2735
return dbus.Dictionary(
3178
{ c.dbus_object_path: c.GetAll(
3179
"se.recompile.Mandos.Client")
2736
{ c.dbus_object_path: c.GetAll("")
3180
2737
for c in tcp_server.clients.itervalues() },
3181
2738
signature="oa{sv}")
3182
2739
3187
2744
if c.dbus_object_path == object_path:
3188
2745
del tcp_server.clients[c.name]
3189
2746
c.remove_from_connection()
3190
# Don't signal the disabling
2747
# Don't signal anything except ClientRemoved
3191
2748
c.disable(quiet=True)
3192
# Emit D-Bus signal for removal
3193
self.client_removed_signal(c)
2749
# Emit D-Bus signal
2750
self.ClientRemoved(object_path, c.name)
3194
2751
return
3195
2752
raise KeyError(object_path)
3196
2753
3197
2754
del _interface
3198
3199
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
3200
out_signature = "a{oa{sa{sv}}}")
3201
def GetManagedObjects(self):
3202
"""D-Bus method"""
3203
return dbus.Dictionary(
3204
{ client.dbus_object_path:
3205
dbus.Dictionary(
3206
{ interface: client.GetAll(interface)
3207
for interface in
3208
client._get_all_interface_names()})
3209
for client in tcp_server.clients.values()})
3210
3211
def client_added_signal(self, client):
3212
"""Send the new standard signal and the old signal"""
3213
if use_dbus:
3214
# New standard signal
3215
self.InterfacesAdded(
3216
client.dbus_object_path,
3217
dbus.Dictionary(
3218
{ interface: client.GetAll(interface)
3219
for interface in
3220
client._get_all_interface_names()}))
3221
# Old signal
3222
self.ClientAdded(client.dbus_object_path)
3223
3224
def client_removed_signal(self, client):
3225
"""Send the new standard signal and the old signal"""
3226
if use_dbus:
3227
# New standard signal
3228
self.InterfacesRemoved(
3229
client.dbus_object_path,
3230
client._get_all_interface_names())
3231
# Old signal
3232
self.ClientRemoved(client.dbus_object_path,
3233
client.name)
3234
2755
3235
2756
mandos_dbus_service = MandosDBusService()
3236
2757
3259
2780
# + secret.
3260
2781
exclude = { "bus", "changedstate", "secret",
3261
2782
"checker", "server_settings" }
3262
for name, typ in inspect.getmembers(dbus.service
3263
.Object):
2783
for name, typ in (inspect.getmembers
2784
(dbus.service.Object)):
3264
2785
exclude.add(name)
3265
2786
3266
2787
client_dict["encrypted_secret"] = (client
3273
2794
del client_settings[client.name]["secret"]
3274
2795
3275
2796
try:
3276
with tempfile.NamedTemporaryFile(
3277
mode='wb',
3278
suffix=".pickle",
3279
prefix='clients-',
3280
dir=os.path.dirname(stored_state_path),
3281
delete=False) as stored_state:
2797
with (tempfile.NamedTemporaryFile
2798
(mode='wb', suffix=".pickle", prefix='clients-',
2799
dir=os.path.dirname(stored_state_path),
2800
delete=False)) as stored_state:
3282
2801
pickle.dump((clients, client_settings), stored_state)
3283
tempname = stored_state.name
2802
tempname=stored_state.name
3284
2803
os.rename(tempname, stored_state_path)
3285
2804
except (IOError, OSError) as e:
3286
2805
if not debug:
3301
2820
name, client = tcp_server.clients.popitem()
3302
2821
if use_dbus:
3303
2822
client.remove_from_connection()
3304
# Don't signal the disabling
2823
# Don't signal anything except ClientRemoved
3305
2824
client.disable(quiet=True)
3306
# Emit D-Bus signal for removal
3307
2825
if use_dbus:
3308
mandos_dbus_service.client_removed_signal(client)
2826
# Emit D-Bus signal
2827
mandos_dbus_service.ClientRemoved(client
2828
.dbus_object_path,
2829
client.name)
3309
2830
client_settings.clear()
3310
2831
3311
2832
atexit.register(cleanup)
3312
2833
3313
2834
for client in tcp_server.clients.itervalues():
3314
2835
if use_dbus:
3315
# Emit D-Bus signal for adding
3316
mandos_dbus_service.client_added_signal(client)
2836
# Emit D-Bus signal
2837
mandos_dbus_service.ClientAdded(client.dbus_object_path)
3317
2838
# Need to initiate checking of clients
3318
2839
if client.enabled:
3319
2840
client.init_checker()
3364
2885
# Must run before the D-Bus bus name gets deregistered
3365
2886
cleanup()
3366
2887
3367
3368
2888
if __name__ == '__main__':
3369
2889
main()
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0