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- Committer: Teddy Hogeborn
- Date: 2014-07-14 21:41:08 UTC
- Revision ID: teddy@recompile.se-20140714214108-awg7u6gaiy7d40dz
mandos-monitor: New "verbose" mode to see less important log messages.
* mandos-monitor (MandosClientWidget.__init__): Log client creation.
(MandosClientWidget.checker_completed): Log a successful checker.
(MandosClientWidget.checker_started): Log starting of a checker.
(UserInterface.__init__): New optional "log_level" argument.
(UserInterface.log_message, UserInterface.log_message_raw): Take
optional
"level"
arg.
(UserInterface.toggle_log_display): Log visibility change.
(UserInterface.change_log_display): Log wrap mode change.
(UserInterface.process_input): Show new "v" key in help message and
process "v" key if pressed.
* mandos-monitor.xml (KEYS): Document new "v" key.
* mandos-monitor (MandosClientWidget.__init__): Log client creation.
(MandosClientWidget.checker_completed): Log a successful checker.
(MandosClientWidget.checker_started): Log starting of a checker.
(UserInterface.__init__): New optional "log_level" argument.
(UserInterface.log_message, UserInterface.log_message_raw): Take
optional
"level"
arg.
(UserInterface.toggle_log_display): Log visibility change.
(UserInterface.change_log_display): Log wrap mode change.
(UserInterface.process_input): Show new "v" key in help message and
process "v" key if pressed.
* mandos-monitor.xml (KEYS): Document new "v" key.
added
removed
mandos
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
34
34
from __future__ import (division, absolute_import, print_function,
35
35
unicode_literals)
36
36
37
try:
38
from future_builtins import *
39
except ImportError:
40
pass
37
from future_builtins import *
41
38
42
try:
43
import SocketServer as socketserver
44
except ImportError:
45
import socketserver
39
import SocketServer as socketserver
46
40
import socket
47
41
import argparse
48
42
import datetime
49
43
import errno
50
try:
51
import ConfigParser as configparser
52
except ImportError:
53
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
54
51
import sys
55
52
import re
56
53
import os
65
62
import struct
66
63
import fcntl
67
64
import functools
68
try:
69
import cPickle as pickle
70
except ImportError:
71
import pickle
65
import cPickle as pickle
72
66
import multiprocessing
73
67
import types
74
68
import binascii
75
69
import tempfile
76
70
import itertools
77
71
import collections
78
import codecs
79
72
80
73
import dbus
81
74
import dbus.service
82
from gi.repository import GLib
75
import gobject
76
import avahi
83
77
from dbus.mainloop.glib import DBusGMainLoop
84
78
import ctypes
85
79
import ctypes.util
94
88
except ImportError:
95
89
SO_BINDTODEVICE = None
96
90
97
if sys.version_info.major == 2:
98
str = unicode
99
100
version = "1.7.5"
91
version = "1.6.6"
101
92
stored_state_file = "clients.pickle"
102
93
103
94
logger = logging.getLogger()
104
95
syslogger = None
105
96
106
97
try:
107
if_nametoindex = ctypes.cdll.LoadLibrary(
108
ctypes.util.find_library("c")).if_nametoindex
98
if_nametoindex = (ctypes.cdll.LoadLibrary
99
(ctypes.util.find_library("c"))
100
.if_nametoindex)
109
101
except (OSError, AttributeError):
110
111
102
def if_nametoindex(interface):
112
103
"Get an interface index the hard way, i.e. using fcntl()"
113
104
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
114
105
with contextlib.closing(socket.socket()) as s:
115
106
ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
116
struct.pack(b"16s16x", interface))
117
interface_index = struct.unpack("I", ifreq[16:20])[0]
107
struct.pack(str("16s16x"),
108
interface))
109
interface_index = struct.unpack(str("I"),
110
ifreq[16:20])[0]
118
111
return interface_index
119
112
120
113
121
def copy_function(func):
122
"""Make a copy of a function"""
123
if sys.version_info.major == 2:
124
return types.FunctionType(func.func_code,
125
func.func_globals,
126
func.func_name,
127
func.func_defaults,
128
func.func_closure)
129
else:
130
return types.FunctionType(func.__code__,
131
func.__globals__,
132
func.__name__,
133
func.__defaults__,
134
func.__closure__)
135
136
137
114
def initlogger(debug, level=logging.WARNING):
138
115
"""init logger and add loglevel"""
139
116
140
117
global syslogger
141
syslogger = (logging.handlers.SysLogHandler(
142
facility = logging.handlers.SysLogHandler.LOG_DAEMON,
143
address = "/dev/log"))
118
syslogger = (logging.handlers.SysLogHandler
119
(facility =
120
logging.handlers.SysLogHandler.LOG_DAEMON,
121
address = str("/dev/log")))
144
122
syslogger.setFormatter(logging.Formatter
145
123
('Mandos [%(process)d]: %(levelname)s:'
146
124
' %(message)s'))
163
141
164
142
class PGPEngine(object):
165
143
"""A simple class for OpenPGP symmetric encryption & decryption"""
166
167
144
def __init__(self):
168
145
self.tempdir = tempfile.mkdtemp(prefix="mandos-")
169
self.gpg = "gpg"
170
try:
171
output = subprocess.check_output(["gpgconf"])
172
for line in output.splitlines():
173
name, text, path = line.split(b":")
174
if name == "gpg":
175
self.gpg = path
176
break
177
except OSError as e:
178
if e.errno != errno.ENOENT:
179
raise
180
146
self.gnupgargs = ['--batch',
181
'--homedir', self.tempdir,
147
'--home', self.tempdir,
182
148
'--force-mdc',
183
149
'--quiet',
184
150
'--no-use-agent']
219
185
220
186
def encrypt(self, data, password):
221
187
passphrase = self.password_encode(password)
222
with tempfile.NamedTemporaryFile(
223
dir=self.tempdir) as passfile:
188
with tempfile.NamedTemporaryFile(dir=self.tempdir
189
) as passfile:
224
190
passfile.write(passphrase)
225
191
passfile.flush()
226
proc = subprocess.Popen([self.gpg, '--symmetric',
192
proc = subprocess.Popen(['gpg', '--symmetric',
227
193
'--passphrase-file',
228
194
passfile.name]
229
195
+ self.gnupgargs,
237
203
238
204
def decrypt(self, data, password):
239
205
passphrase = self.password_encode(password)
240
with tempfile.NamedTemporaryFile(
241
dir = self.tempdir) as passfile:
206
with tempfile.NamedTemporaryFile(dir = self.tempdir
207
) as passfile:
242
208
passfile.write(passphrase)
243
209
passfile.flush()
244
proc = subprocess.Popen([self.gpg, '--decrypt',
210
proc = subprocess.Popen(['gpg', '--decrypt',
245
211
'--passphrase-file',
246
212
passfile.name]
247
213
+ self.gnupgargs,
248
214
stdin = subprocess.PIPE,
249
215
stdout = subprocess.PIPE,
250
216
stderr = subprocess.PIPE)
251
decrypted_plaintext, err = proc.communicate(input = data)
217
decrypted_plaintext, err = proc.communicate(input
218
= data)
252
219
if proc.returncode != 0:
253
220
raise PGPError(err)
254
221
return decrypted_plaintext
255
222
256
# Pretend that we have an Avahi module
257
class Avahi(object):
258
"""This isn't so much a class as it is a module-like namespace.
259
It is instantiated once, and simulates having an Avahi module."""
260
IF_UNSPEC = -1 # avahi-common/address.h
261
PROTO_UNSPEC = -1 # avahi-common/address.h
262
PROTO_INET = 0 # avahi-common/address.h
263
PROTO_INET6 = 1 # avahi-common/address.h
264
DBUS_NAME = "org.freedesktop.Avahi"
265
DBUS_INTERFACE_ENTRY_GROUP = DBUS_NAME + ".EntryGroup"
266
DBUS_INTERFACE_SERVER = DBUS_NAME + ".Server"
267
DBUS_PATH_SERVER = "/"
268
def string_array_to_txt_array(self, t):
269
return dbus.Array((dbus.ByteArray(s.encode("utf-8"))
270
for s in t), signature="ay")
271
ENTRY_GROUP_ESTABLISHED = 2 # avahi-common/defs.h
272
ENTRY_GROUP_COLLISION = 3 # avahi-common/defs.h
273
ENTRY_GROUP_FAILURE = 4 # avahi-common/defs.h
274
SERVER_INVALID = 0 # avahi-common/defs.h
275
SERVER_REGISTERING = 1 # avahi-common/defs.h
276
SERVER_RUNNING = 2 # avahi-common/defs.h
277
SERVER_COLLISION = 3 # avahi-common/defs.h
278
SERVER_FAILURE = 4 # avahi-common/defs.h
279
avahi = Avahi()
280
223
281
224
class AvahiError(Exception):
282
225
def __init__(self, value, *args, **kwargs):
283
226
self.value = value
284
return super(AvahiError, self).__init__(value, *args,
285
**kwargs)
286
227
super(AvahiError, self).__init__(value, *args, **kwargs)
228
def __unicode__(self):
229
return unicode(repr(self.value))
287
230
288
231
class AvahiServiceError(AvahiError):
289
232
pass
290
233
291
292
234
class AvahiGroupError(AvahiError):
293
235
pass
294
236
314
256
bus: dbus.SystemBus()
315
257
"""
316
258
317
def __init__(self,
318
interface = avahi.IF_UNSPEC,
319
name = None,
320
servicetype = None,
321
port = None,
322
TXT = None,
323
domain = "",
324
host = "",
325
max_renames = 32768,
326
protocol = avahi.PROTO_UNSPEC,
327
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):
328
263
self.interface = interface
329
264
self.name = name
330
265
self.type = servicetype
340
275
self.bus = bus
341
276
self.entry_group_state_changed_match = None
342
277
343
def rename(self, remove=True):
278
def rename(self):
344
279
"""Derived from the Avahi example code"""
345
280
if self.rename_count >= self.max_renames:
346
281
logger.critical("No suitable Zeroconf service name found"
347
282
" after %i retries, exiting.",
348
283
self.rename_count)
349
284
raise AvahiServiceError("Too many renames")
350
self.name = str(
351
self.server.GetAlternativeServiceName(self.name))
352
self.rename_count += 1
285
self.name = unicode(self.server
286
.GetAlternativeServiceName(self.name))
353
287
logger.info("Changing Zeroconf service name to %r ...",
354
288
self.name)
355
if remove:
356
self.remove()
289
self.remove()
357
290
try:
358
291
self.add()
359
292
except dbus.exceptions.DBusException as error:
360
if (error.get_dbus_name()
361
== "org.freedesktop.Avahi.CollisionError"):
362
logger.info("Local Zeroconf service name collision.")
363
return self.rename(remove=False)
364
else:
365
logger.critical("D-Bus Exception", exc_info=error)
366
self.cleanup()
367
os._exit(1)
293
logger.critical("D-Bus Exception", exc_info=error)
294
self.cleanup()
295
os._exit(1)
296
self.rename_count += 1
368
297
369
298
def remove(self):
370
299
"""Derived from the Avahi example code"""
408
337
self.rename()
409
338
elif state == avahi.ENTRY_GROUP_FAILURE:
410
339
logger.critical("Avahi: Error in group state changed %s",
411
str(error))
412
raise AvahiGroupError("State changed: {!s}".format(error))
340
unicode(error))
341
raise AvahiGroupError("State changed: {0!s}"
342
.format(error))
413
343
414
344
def cleanup(self):
415
345
"""Derived from the Avahi example code"""
425
355
def server_state_changed(self, state, error=None):
426
356
"""Derived from the Avahi example code"""
427
357
logger.debug("Avahi server state change: %i", state)
428
bad_states = {
429
avahi.SERVER_INVALID: "Zeroconf server invalid",
430
avahi.SERVER_REGISTERING: None,
431
avahi.SERVER_COLLISION: "Zeroconf server name collision",
432
avahi.SERVER_FAILURE: "Zeroconf server failure",
433
}
358
bad_states = { avahi.SERVER_INVALID:
359
"Zeroconf server invalid",
360
avahi.SERVER_REGISTERING: None,
361
avahi.SERVER_COLLISION:
362
"Zeroconf server name collision",
363
avahi.SERVER_FAILURE:
364
"Zeroconf server failure" }
434
365
if state in bad_states:
435
366
if bad_states[state] is not None:
436
367
if error is None:
439
370
logger.error(bad_states[state] + ": %r", error)
440
371
self.cleanup()
441
372
elif state == avahi.SERVER_RUNNING:
442
try:
443
self.add()
444
except dbus.exceptions.DBusException as error:
445
if (error.get_dbus_name()
446
== "org.freedesktop.Avahi.CollisionError"):
447
logger.info("Local Zeroconf service name"
448
" collision.")
449
return self.rename(remove=False)
450
else:
451
logger.critical("D-Bus Exception", exc_info=error)
452
self.cleanup()
453
os._exit(1)
373
self.add()
454
374
else:
455
375
if error is None:
456
376
logger.debug("Unknown state: %r", state)
466
386
follow_name_owner_changes=True),
467
387
avahi.DBUS_INTERFACE_SERVER)
468
388
self.server.connect_to_signal("StateChanged",
469
self.server_state_changed)
389
self.server_state_changed)
470
390
self.server_state_changed(self.server.GetState())
471
391
472
392
473
393
class AvahiServiceToSyslog(AvahiService):
474
def rename(self, *args, **kwargs):
394
def rename(self):
475
395
"""Add the new name to the syslog messages"""
476
ret = AvahiService.rename(self, *args, **kwargs)
477
syslogger.setFormatter(logging.Formatter(
478
'Mandos ({}) [%(process)d]: %(levelname)s: %(message)s'
479
.format(self.name)))
396
ret = AvahiService.rename(self)
397
syslogger.setFormatter(logging.Formatter
398
('Mandos ({0}) [%(process)d]:'
399
' %(levelname)s: %(message)s'
400
.format(self.name)))
480
401
return ret
481
402
482
# Pretend that we have a GnuTLS module
483
class GnuTLS(object):
484
"""This isn't so much a class as it is a module-like namespace.
485
It is instantiated once, and simulates having a GnuTLS module."""
486
487
_library = ctypes.cdll.LoadLibrary(
488
ctypes.util.find_library("gnutls"))
489
_need_version = b"3.3.0"
490
def __init__(self):
491
# Need to use class name "GnuTLS" here, since this method is
492
# called before the assignment to the "gnutls" global variable
493
# happens.
494
if GnuTLS.check_version(self._need_version) is None:
495
raise GnuTLS.Error("Needs GnuTLS {} or later"
496
.format(self._need_version))
497
498
# Unless otherwise indicated, the constants and types below are
499
# all from the gnutls/gnutls.h C header file.
500
501
# Constants
502
E_SUCCESS = 0
503
E_INTERRUPTED = -52
504
E_AGAIN = -28
505
CRT_OPENPGP = 2
506
CLIENT = 2
507
SHUT_RDWR = 0
508
CRD_CERTIFICATE = 1
509
E_NO_CERTIFICATE_FOUND = -49
510
OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h
511
512
# Types
513
class session_int(ctypes.Structure):
514
_fields_ = []
515
session_t = ctypes.POINTER(session_int)
516
class certificate_credentials_st(ctypes.Structure):
517
_fields_ = []
518
certificate_credentials_t = ctypes.POINTER(
519
certificate_credentials_st)
520
certificate_type_t = ctypes.c_int
521
class datum_t(ctypes.Structure):
522
_fields_ = [('data', ctypes.POINTER(ctypes.c_ubyte)),
523
('size', ctypes.c_uint)]
524
class openpgp_crt_int(ctypes.Structure):
525
_fields_ = []
526
openpgp_crt_t = ctypes.POINTER(openpgp_crt_int)
527
openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h
528
log_func = ctypes.CFUNCTYPE(None, ctypes.c_int, ctypes.c_char_p)
529
credentials_type_t = ctypes.c_int
530
transport_ptr_t = ctypes.c_void_p
531
close_request_t = ctypes.c_int
532
533
# Exceptions
534
class Error(Exception):
535
# We need to use the class name "GnuTLS" here, since this
536
# exception might be raised from within GnuTLS.__init__,
537
# which is called before the assignment to the "gnutls"
538
# global variable has happened.
539
def __init__(self, message = None, code = None, args=()):
540
# Default usage is by a message string, but if a return
541
# code is passed, convert it to a string with
542
# gnutls.strerror()
543
self.code = code
544
if message is None and code is not None:
545
message = GnuTLS.strerror(code)
546
return super(GnuTLS.Error, self).__init__(
547
message, *args)
548
549
class CertificateSecurityError(Error):
550
pass
551
552
# Classes
553
class Credentials(object):
554
def __init__(self):
555
self._c_object = gnutls.certificate_credentials_t()
556
gnutls.certificate_allocate_credentials(
557
ctypes.byref(self._c_object))
558
self.type = gnutls.CRD_CERTIFICATE
559
560
def __del__(self):
561
gnutls.certificate_free_credentials(self._c_object)
562
563
class ClientSession(object):
564
def __init__(self, socket, credentials = None):
565
self._c_object = gnutls.session_t()
566
gnutls.init(ctypes.byref(self._c_object), gnutls.CLIENT)
567
gnutls.set_default_priority(self._c_object)
568
gnutls.transport_set_ptr(self._c_object, socket.fileno())
569
gnutls.handshake_set_private_extensions(self._c_object,
570
True)
571
self.socket = socket
572
if credentials is None:
573
credentials = gnutls.Credentials()
574
gnutls.credentials_set(self._c_object, credentials.type,
575
ctypes.cast(credentials._c_object,
576
ctypes.c_void_p))
577
self.credentials = credentials
578
579
def __del__(self):
580
gnutls.deinit(self._c_object)
581
582
def handshake(self):
583
return gnutls.handshake(self._c_object)
584
585
def send(self, data):
586
data = bytes(data)
587
data_len = len(data)
588
while data_len > 0:
589
data_len -= gnutls.record_send(self._c_object,
590
data[-data_len:],
591
data_len)
592
593
def bye(self):
594
return gnutls.bye(self._c_object, gnutls.SHUT_RDWR)
595
596
# Error handling functions
597
def _error_code(result):
598
"""A function to raise exceptions on errors, suitable
599
for the 'restype' attribute on ctypes functions"""
600
if result >= 0:
601
return result
602
if result == gnutls.E_NO_CERTIFICATE_FOUND:
603
raise gnutls.CertificateSecurityError(code = result)
604
raise gnutls.Error(code = result)
605
606
def _retry_on_error(result, func, arguments):
607
"""A function to retry on some errors, suitable
608
for the 'errcheck' attribute on ctypes functions"""
609
while result < 0:
610
if result not in (gnutls.E_INTERRUPTED, gnutls.E_AGAIN):
611
return _error_code(result)
612
result = func(*arguments)
613
return result
614
615
# Unless otherwise indicated, the function declarations below are
616
# all from the gnutls/gnutls.h C header file.
617
618
# Functions
619
priority_set_direct = _library.gnutls_priority_set_direct
620
priority_set_direct.argtypes = [session_t, ctypes.c_char_p,
621
ctypes.POINTER(ctypes.c_char_p)]
622
priority_set_direct.restype = _error_code
623
624
init = _library.gnutls_init
625
init.argtypes = [ctypes.POINTER(session_t), ctypes.c_int]
626
init.restype = _error_code
627
628
set_default_priority = _library.gnutls_set_default_priority
629
set_default_priority.argtypes = [session_t]
630
set_default_priority.restype = _error_code
631
632
record_send = _library.gnutls_record_send
633
record_send.argtypes = [session_t, ctypes.c_void_p,
634
ctypes.c_size_t]
635
record_send.restype = ctypes.c_ssize_t
636
record_send.errcheck = _retry_on_error
637
638
certificate_allocate_credentials = (
639
_library.gnutls_certificate_allocate_credentials)
640
certificate_allocate_credentials.argtypes = [
641
ctypes.POINTER(certificate_credentials_t)]
642
certificate_allocate_credentials.restype = _error_code
643
644
certificate_free_credentials = (
645
_library.gnutls_certificate_free_credentials)
646
certificate_free_credentials.argtypes = [certificate_credentials_t]
647
certificate_free_credentials.restype = None
648
649
handshake_set_private_extensions = (
650
_library.gnutls_handshake_set_private_extensions)
651
handshake_set_private_extensions.argtypes = [session_t,
652
ctypes.c_int]
653
handshake_set_private_extensions.restype = None
654
655
credentials_set = _library.gnutls_credentials_set
656
credentials_set.argtypes = [session_t, credentials_type_t,
657
ctypes.c_void_p]
658
credentials_set.restype = _error_code
659
660
strerror = _library.gnutls_strerror
661
strerror.argtypes = [ctypes.c_int]
662
strerror.restype = ctypes.c_char_p
663
664
certificate_type_get = _library.gnutls_certificate_type_get
665
certificate_type_get.argtypes = [session_t]
666
certificate_type_get.restype = _error_code
667
668
certificate_get_peers = _library.gnutls_certificate_get_peers
669
certificate_get_peers.argtypes = [session_t,
670
ctypes.POINTER(ctypes.c_uint)]
671
certificate_get_peers.restype = ctypes.POINTER(datum_t)
672
673
global_set_log_level = _library.gnutls_global_set_log_level
674
global_set_log_level.argtypes = [ctypes.c_int]
675
global_set_log_level.restype = None
676
677
global_set_log_function = _library.gnutls_global_set_log_function
678
global_set_log_function.argtypes = [log_func]
679
global_set_log_function.restype = None
680
681
deinit = _library.gnutls_deinit
682
deinit.argtypes = [session_t]
683
deinit.restype = None
684
685
handshake = _library.gnutls_handshake
686
handshake.argtypes = [session_t]
687
handshake.restype = _error_code
688
handshake.errcheck = _retry_on_error
689
690
transport_set_ptr = _library.gnutls_transport_set_ptr
691
transport_set_ptr.argtypes = [session_t, transport_ptr_t]
692
transport_set_ptr.restype = None
693
694
bye = _library.gnutls_bye
695
bye.argtypes = [session_t, close_request_t]
696
bye.restype = _error_code
697
bye.errcheck = _retry_on_error
698
699
check_version = _library.gnutls_check_version
700
check_version.argtypes = [ctypes.c_char_p]
701
check_version.restype = ctypes.c_char_p
702
703
# All the function declarations below are from gnutls/openpgp.h
704
705
openpgp_crt_init = _library.gnutls_openpgp_crt_init
706
openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]
707
openpgp_crt_init.restype = _error_code
708
709
openpgp_crt_import = _library.gnutls_openpgp_crt_import
710
openpgp_crt_import.argtypes = [openpgp_crt_t,
711
ctypes.POINTER(datum_t),
712
openpgp_crt_fmt_t]
713
openpgp_crt_import.restype = _error_code
714
715
openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self
716
openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,
717
ctypes.POINTER(ctypes.c_uint)]
718
openpgp_crt_verify_self.restype = _error_code
719
720
openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit
721
openpgp_crt_deinit.argtypes = [openpgp_crt_t]
722
openpgp_crt_deinit.restype = None
723
724
openpgp_crt_get_fingerprint = (
725
_library.gnutls_openpgp_crt_get_fingerprint)
726
openpgp_crt_get_fingerprint.argtypes = [openpgp_crt_t,
727
ctypes.c_void_p,
728
ctypes.POINTER(
729
ctypes.c_size_t)]
730
openpgp_crt_get_fingerprint.restype = _error_code
731
732
# Remove non-public functions
733
del _error_code, _retry_on_error
734
# Create the global "gnutls" object, simulating a module
735
gnutls = GnuTLS()
736
737
def call_pipe(connection, # : multiprocessing.Connection
738
func, *args, **kwargs):
739
"""This function is meant to be called by multiprocessing.Process
740
741
This function runs func(*args, **kwargs), and writes the resulting
742
return value on the provided multiprocessing.Connection.
743
"""
744
connection.send(func(*args, **kwargs))
745
connection.close()
403
404
def timedelta_to_milliseconds(td):
405
"Convert a datetime.timedelta() to milliseconds"
406
return ((td.days * 24 * 60 * 60 * 1000)
407
+ (td.seconds * 1000)
408
+ (td.microseconds // 1000))
409
746
410
747
411
class Client(object):
748
412
"""A representation of a client host served by this server.
754
418
checker: subprocess.Popen(); a running checker process used
755
419
to see if the client lives.
756
420
'None' if no process is running.
757
checker_callback_tag: a GLib event source tag, or None
421
checker_callback_tag: a gobject event source tag, or None
758
422
checker_command: string; External command which is run to check
759
423
if client lives. %() expansions are done at
760
424
runtime with vars(self) as dict, so that for
761
425
instance %(name)s can be used in the command.
762
checker_initiator_tag: a GLib event source tag, or None
426
checker_initiator_tag: a gobject event source tag, or None
763
427
created: datetime.datetime(); (UTC) object creation
764
428
client_structure: Object describing what attributes a client has
765
429
and is used for storing the client at exit
766
430
current_checker_command: string; current running checker_command
767
disable_initiator_tag: a GLib event source tag, or None
431
disable_initiator_tag: a gobject event source tag, or None
768
432
enabled: bool()
769
433
fingerprint: string (40 or 32 hexadecimal digits); used to
770
434
uniquely identify the client
775
439
last_checker_status: integer between 0 and 255 reflecting exit
776
440
status of last checker. -1 reflects crashed
777
441
checker, -2 means no checker completed yet.
778
last_checker_signal: The signal which killed the last checker, if
779
last_checker_status is -1
780
442
last_enabled: datetime.datetime(); (UTC) or None
781
443
name: string; from the config file, used in log messages and
782
444
D-Bus identifiers
795
457
"fingerprint", "host", "interval",
796
458
"last_approval_request", "last_checked_ok",
797
459
"last_enabled", "name", "timeout")
798
client_defaults = {
799
"timeout": "PT5M",
800
"extended_timeout": "PT15M",
801
"interval": "PT2M",
802
"checker": "fping -q -- %%(host)s",
803
"host": "",
804
"approval_delay": "PT0S",
805
"approval_duration": "PT1S",
806
"approved_by_default": "True",
807
"enabled": "True",
808
}
460
client_defaults = { "timeout": "PT5M",
461
"extended_timeout": "PT15M",
462
"interval": "PT2M",
463
"checker": "fping -q -- %%(host)s",
464
"host": "",
465
"approval_delay": "PT0S",
466
"approval_duration": "PT1S",
467
"approved_by_default": "True",
468
"enabled": "True",
469
}
470
471
def timeout_milliseconds(self):
472
"Return the 'timeout' attribute in milliseconds"
473
return timedelta_to_milliseconds(self.timeout)
474
475
def extended_timeout_milliseconds(self):
476
"Return the 'extended_timeout' attribute in milliseconds"
477
return timedelta_to_milliseconds(self.extended_timeout)
478
479
def interval_milliseconds(self):
480
"Return the 'interval' attribute in milliseconds"
481
return timedelta_to_milliseconds(self.interval)
482
483
def approval_delay_milliseconds(self):
484
return timedelta_to_milliseconds(self.approval_delay)
809
485
810
486
@staticmethod
811
487
def config_parser(config):
827
503
client["enabled"] = config.getboolean(client_name,
828
504
"enabled")
829
505
830
# Uppercase and remove spaces from fingerprint for later
831
# comparison purposes with return value from the
832
# fingerprint() function
833
506
client["fingerprint"] = (section["fingerprint"].upper()
834
507
.replace(" ", ""))
835
508
if "secret" in section:
836
client["secret"] = codecs.decode(section["secret"]
837
.encode("utf-8"),
838
"base64")
509
client["secret"] = section["secret"].decode("base64")
839
510
elif "secfile" in section:
840
511
with open(os.path.expanduser(os.path.expandvars
841
512
(section["secfile"])),
842
513
"rb") as secfile:
843
514
client["secret"] = secfile.read()
844
515
else:
845
raise TypeError("No secret or secfile for section {}"
516
raise TypeError("No secret or secfile for section {0}"
846
517
.format(section))
847
518
client["timeout"] = string_to_delta(section["timeout"])
848
519
client["extended_timeout"] = string_to_delta(
865
536
server_settings = {}
866
537
self.server_settings = server_settings
867
538
# adding all client settings
868
for setting, value in settings.items():
539
for setting, value in settings.iteritems():
869
540
setattr(self, setting, value)
870
541
871
542
if self.enabled:
879
550
self.expires = None
880
551
881
552
logger.debug("Creating client %r", self.name)
553
# Uppercase and remove spaces from fingerprint for later
554
# comparison purposes with return value from the fingerprint()
555
# function
882
556
logger.debug(" Fingerprint: %s", self.fingerprint)
883
557
self.created = settings.get("created",
884
558
datetime.datetime.utcnow())
891
565
self.current_checker_command = None
892
566
self.approved = None
893
567
self.approvals_pending = 0
894
self.changedstate = multiprocessing_manager.Condition(
895
multiprocessing_manager.Lock())
896
self.client_structure = [attr
897
for attr in self.__dict__.keys()
568
self.changedstate = (multiprocessing_manager
569
.Condition(multiprocessing_manager
570
.Lock()))
571
self.client_structure = [attr for attr in
572
self.__dict__.iterkeys()
898
573
if not attr.startswith("_")]
899
574
self.client_structure.append("client_structure")
900
575
901
for name, t in inspect.getmembers(
902
type(self), lambda obj: isinstance(obj, property)):
576
for name, t in inspect.getmembers(type(self),
577
lambda obj:
578
isinstance(obj,
579
property)):
903
580
if not name.startswith("_"):
904
581
self.client_structure.append(name)
905
582
926
603
if not quiet:
927
604
logger.info("Disabling client %s", self.name)
928
605
if getattr(self, "disable_initiator_tag", None) is not None:
929
GLib.source_remove(self.disable_initiator_tag)
606
gobject.source_remove(self.disable_initiator_tag)
930
607
self.disable_initiator_tag = None
931
608
self.expires = None
932
609
if getattr(self, "checker_initiator_tag", None) is not None:
933
GLib.source_remove(self.checker_initiator_tag)
610
gobject.source_remove(self.checker_initiator_tag)
934
611
self.checker_initiator_tag = None
935
612
self.stop_checker()
936
613
self.enabled = False
937
614
if not quiet:
938
615
self.send_changedstate()
939
# Do not run this again if called by a GLib.timeout_add
616
# Do not run this again if called by a gobject.timeout_add
940
617
return False
941
618
942
619
def __del__(self):
946
623
# Schedule a new checker to be started an 'interval' from now,
947
624
# and every interval from then on.
948
625
if self.checker_initiator_tag is not None:
949
GLib.source_remove(self.checker_initiator_tag)
950
self.checker_initiator_tag = GLib.timeout_add(
951
int(self.interval.total_seconds() * 1000),
952
self.start_checker)
626
gobject.source_remove(self.checker_initiator_tag)
627
self.checker_initiator_tag = (gobject.timeout_add
628
(self.interval_milliseconds(),
629
self.start_checker))
953
630
# Schedule a disable() when 'timeout' has passed
954
631
if self.disable_initiator_tag is not None:
955
GLib.source_remove(self.disable_initiator_tag)
956
self.disable_initiator_tag = GLib.timeout_add(
957
int(self.timeout.total_seconds() * 1000), self.disable)
632
gobject.source_remove(self.disable_initiator_tag)
633
self.disable_initiator_tag = (gobject.timeout_add
634
(self.timeout_milliseconds(),
635
self.disable))
958
636
# Also start a new checker *right now*.
959
637
self.start_checker()
960
638
961
def checker_callback(self, source, condition, connection,
962
command):
639
def checker_callback(self, pid, condition, command):
963
640
"""The checker has completed, so take appropriate actions."""
964
641
self.checker_callback_tag = None
965
642
self.checker = None
966
# Read return code from connection (see call_pipe)
967
returncode = connection.recv()
968
connection.close()
969
970
if returncode >= 0:
971
self.last_checker_status = returncode
972
self.last_checker_signal = None
643
if os.WIFEXITED(condition):
644
self.last_checker_status = os.WEXITSTATUS(condition)
973
645
if self.last_checker_status == 0:
974
646
logger.info("Checker for %(name)s succeeded",
975
647
vars(self))
976
648
self.checked_ok()
977
649
else:
978
logger.info("Checker for %(name)s failed", vars(self))
650
logger.info("Checker for %(name)s failed",
651
vars(self))
979
652
else:
980
653
self.last_checker_status = -1
981
self.last_checker_signal = -returncode
982
654
logger.warning("Checker for %(name)s crashed?",
983
655
vars(self))
984
return False
985
656
986
657
def checked_ok(self):
987
658
"""Assert that the client has been seen, alive and well."""
988
659
self.last_checked_ok = datetime.datetime.utcnow()
989
660
self.last_checker_status = 0
990
self.last_checker_signal = None
991
661
self.bump_timeout()
992
662
993
663
def bump_timeout(self, timeout=None):
995
665
if timeout is None:
996
666
timeout = self.timeout
997
667
if self.disable_initiator_tag is not None:
998
GLib.source_remove(self.disable_initiator_tag)
668
gobject.source_remove(self.disable_initiator_tag)
999
669
self.disable_initiator_tag = None
1000
670
if getattr(self, "enabled", False):
1001
self.disable_initiator_tag = GLib.timeout_add(
1002
int(timeout.total_seconds() * 1000), self.disable)
671
self.disable_initiator_tag = (gobject.timeout_add
672
(timedelta_to_milliseconds
673
(timeout), self.disable))
1003
674
self.expires = datetime.datetime.utcnow() + timeout
1004
675
1005
676
def need_approval(self):
1019
690
# than 'timeout' for the client to be disabled, which is as it
1020
691
# should be.
1021
692
1022
if self.checker is not None and not self.checker.is_alive():
1023
logger.warning("Checker was not alive; joining")
1024
self.checker.join()
1025
self.checker = None
693
# If a checker exists, make sure it is not a zombie
694
try:
695
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
696
except AttributeError:
697
pass
698
except OSError as error:
699
if error.errno != errno.ECHILD:
700
raise
701
else:
702
if pid:
703
logger.warning("Checker was a zombie")
704
gobject.source_remove(self.checker_callback_tag)
705
self.checker_callback(pid, status,
706
self.current_checker_command)
1026
707
# Start a new checker if needed
1027
708
if self.checker is None:
1028
709
# Escape attributes for the shell
1029
escaped_attrs = {
1030
attr: re.escape(str(getattr(self, attr)))
1031
for attr in self.runtime_expansions }
710
escaped_attrs = dict(
711
(attr, re.escape(unicode(getattr(self, attr))))
712
for attr in
713
self.runtime_expansions)
1032
714
try:
1033
715
command = self.checker_command % escaped_attrs
1034
716
except TypeError as error:
1035
717
logger.error('Could not format string "%s"',
1036
self.checker_command,
718
self.checker_command, exc_info=error)
719
return True # Try again later
720
self.current_checker_command = command
721
try:
722
logger.info("Starting checker %r for %s",
723
command, self.name)
724
# We don't need to redirect stdout and stderr, since
725
# in normal mode, that is already done by daemon(),
726
# and in debug mode we don't want to. (Stdin is
727
# always replaced by /dev/null.)
728
# The exception is when not debugging but nevertheless
729
# running in the foreground; use the previously
730
# created wnull.
731
popen_args = {}
732
if (not self.server_settings["debug"]
733
and self.server_settings["foreground"]):
734
popen_args.update({"stdout": wnull,
735
"stderr": wnull })
736
self.checker = subprocess.Popen(command,
737
close_fds=True,
738
shell=True, cwd="/",
739
**popen_args)
740
except OSError as error:
741
logger.error("Failed to start subprocess",
1037
742
exc_info=error)
1038
return True # Try again later
1039
self.current_checker_command = command
1040
logger.info("Starting checker %r for %s", command,
1041
self.name)
1042
# We don't need to redirect stdout and stderr, since
1043
# in normal mode, that is already done by daemon(),
1044
# and in debug mode we don't want to. (Stdin is
1045
# always replaced by /dev/null.)
1046
# The exception is when not debugging but nevertheless
1047
# running in the foreground; use the previously
1048
# created wnull.
1049
popen_args = { "close_fds": True,
1050
"shell": True,
1051
"cwd": "/" }
1052
if (not self.server_settings["debug"]
1053
and self.server_settings["foreground"]):
1054
popen_args.update({"stdout": wnull,
1055
"stderr": wnull })
1056
pipe = multiprocessing.Pipe(duplex = False)
1057
self.checker = multiprocessing.Process(
1058
target = call_pipe,
1059
args = (pipe[1], subprocess.call, command),
1060
kwargs = popen_args)
1061
self.checker.start()
1062
self.checker_callback_tag = GLib.io_add_watch(
1063
pipe[0].fileno(), GLib.IO_IN,
1064
self.checker_callback, pipe[0], command)
1065
# Re-run this periodically if run by GLib.timeout_add
743
return True
744
self.checker_callback_tag = (gobject.child_watch_add
745
(self.checker.pid,
746
self.checker_callback,
747
data=command))
748
# The checker may have completed before the gobject
749
# watch was added. Check for this.
750
try:
751
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
752
except OSError as error:
753
if error.errno == errno.ECHILD:
754
# This should never happen
755
logger.error("Child process vanished",
756
exc_info=error)
757
return True
758
raise
759
if pid:
760
gobject.source_remove(self.checker_callback_tag)
761
self.checker_callback(pid, status, command)
762
# Re-run this periodically if run by gobject.timeout_add
1066
763
return True
1067
764
1068
765
def stop_checker(self):
1069
766
"""Force the checker process, if any, to stop."""
1070
767
if self.checker_callback_tag:
1071
GLib.source_remove(self.checker_callback_tag)
768
gobject.source_remove(self.checker_callback_tag)
1072
769
self.checker_callback_tag = None
1073
770
if getattr(self, "checker", None) is None:
1074
771
return
1075
772
logger.debug("Stopping checker for %(name)s", vars(self))
1076
self.checker.terminate()
773
try:
774
self.checker.terminate()
775
#time.sleep(0.5)
776
#if self.checker.poll() is None:
777
# self.checker.kill()
778
except OSError as error:
779
if error.errno != errno.ESRCH: # No such process
780
raise
1077
781
self.checker = None
1078
782
1079
783
1080
def dbus_service_property(dbus_interface,
1081
signature="v",
1082
access="readwrite",
1083
byte_arrays=False):
784
def dbus_service_property(dbus_interface, signature="v",
785
access="readwrite", byte_arrays=False):
1084
786
"""Decorators for marking methods of a DBusObjectWithProperties to
1085
787
become properties on the D-Bus.
1086
788
1095
797
# "Set" method, so we fail early here:
1096
798
if byte_arrays and signature != "ay":
1097
799
raise ValueError("Byte arrays not supported for non-'ay'"
1098
" signature {!r}".format(signature))
1099
800
" signature {0!r}".format(signature))
1100
801
def decorator(func):
1101
802
func._dbus_is_property = True
1102
803
func._dbus_interface = dbus_interface
1107
808
func._dbus_name = func._dbus_name[:-14]
1108
809
func._dbus_get_args_options = {'byte_arrays': byte_arrays }
1109
810
return func
1110
1111
811
return decorator
1112
812
1113
813
1122
822
"org.freedesktop.DBus.Property.EmitsChangedSignal":
1123
823
"false"}
1124
824
"""
1125
1126
825
def decorator(func):
1127
826
func._dbus_is_interface = True
1128
827
func._dbus_interface = dbus_interface
1129
828
func._dbus_name = dbus_interface
1130
829
return func
1131
1132
830
return decorator
1133
831
1134
832
1136
834
"""Decorator to annotate D-Bus methods, signals or properties
1137
835
Usage:
1138
836
1139
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true",
1140
"org.freedesktop.DBus.Property."
1141
"EmitsChangedSignal": "false"})
1142
837
@dbus_service_property("org.example.Interface", signature="b",
1143
838
access="r")
839
@dbus_annotations({{"org.freedesktop.DBus.Deprecated": "true",
840
"org.freedesktop.DBus.Property."
841
"EmitsChangedSignal": "false"})
1144
842
def Property_dbus_property(self):
1145
843
return dbus.Boolean(False)
1146
1147
See also the DBusObjectWithAnnotations class.
1148
844
"""
1149
1150
845
def decorator(func):
1151
846
func._dbus_annotations = annotations
1152
847
return func
1153
1154
848
return decorator
1155
849
1156
850
1157
851
class DBusPropertyException(dbus.exceptions.DBusException):
1158
852
"""A base class for D-Bus property-related exceptions
1159
853
"""
1160
pass
854
def __unicode__(self):
855
return unicode(str(self))
1161
856
1162
857
1163
858
class DBusPropertyAccessException(DBusPropertyException):
1172
867
pass
1173
868
1174
869
1175
class DBusObjectWithAnnotations(dbus.service.Object):
1176
"""A D-Bus object with annotations.
870
class DBusObjectWithProperties(dbus.service.Object):
871
"""A D-Bus object with properties.
1177
872
1178
Classes inheriting from this can use the dbus_annotations
1179
decorator to add annotations to methods or signals.
873
Classes inheriting from this can use the dbus_service_property
874
decorator to expose methods as D-Bus properties. It exposes the
875
standard Get(), Set(), and GetAll() methods on the D-Bus.
1180
876
"""
1181
877
1182
878
@staticmethod
1186
882
If called like _is_dbus_thing("method") it returns a function
1187
883
suitable for use as predicate to inspect.getmembers().
1188
884
"""
1189
return lambda obj: getattr(obj, "_dbus_is_{}".format(thing),
885
return lambda obj: getattr(obj, "_dbus_is_{0}".format(thing),
1190
886
False)
1191
887
1192
888
def _get_all_dbus_things(self, thing):
1193
889
"""Returns a generator of (name, attribute) pairs
1194
890
"""
1195
return ((getattr(athing.__get__(self), "_dbus_name", name),
891
return ((getattr(athing.__get__(self), "_dbus_name",
892
name),
1196
893
athing.__get__(self))
1197
894
for cls in self.__class__.__mro__
1198
895
for name, athing in
1199
inspect.getmembers(cls, self._is_dbus_thing(thing)))
1200
1201
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1202
out_signature = "s",
1203
path_keyword = 'object_path',
1204
connection_keyword = 'connection')
1205
def Introspect(self, object_path, connection):
1206
"""Overloading of standard D-Bus method.
1207
1208
Inserts annotation tags on methods and signals.
1209
"""
1210
xmlstring = dbus.service.Object.Introspect(self, object_path,
1211
connection)
1212
try:
1213
document = xml.dom.minidom.parseString(xmlstring)
1214
1215
for if_tag in document.getElementsByTagName("interface"):
1216
# Add annotation tags
1217
for typ in ("method", "signal"):
1218
for tag in if_tag.getElementsByTagName(typ):
1219
annots = dict()
1220
for name, prop in (self.
1221
_get_all_dbus_things(typ)):
1222
if (name == tag.getAttribute("name")
1223
and prop._dbus_interface
1224
== if_tag.getAttribute("name")):
1225
annots.update(getattr(
1226
prop, "_dbus_annotations", {}))
1227
for name, value in annots.items():
1228
ann_tag = document.createElement(
1229
"annotation")
1230
ann_tag.setAttribute("name", name)
1231
ann_tag.setAttribute("value", value)
1232
tag.appendChild(ann_tag)
1233
# Add interface annotation tags
1234
for annotation, value in dict(
1235
itertools.chain.from_iterable(
1236
annotations().items()
1237
for name, annotations
1238
in self._get_all_dbus_things("interface")
1239
if name == if_tag.getAttribute("name")
1240
)).items():
1241
ann_tag = document.createElement("annotation")
1242
ann_tag.setAttribute("name", annotation)
1243
ann_tag.setAttribute("value", value)
1244
if_tag.appendChild(ann_tag)
1245
# Fix argument name for the Introspect method itself
1246
if (if_tag.getAttribute("name")
1247
== dbus.INTROSPECTABLE_IFACE):
1248
for cn in if_tag.getElementsByTagName("method"):
1249
if cn.getAttribute("name") == "Introspect":
1250
for arg in cn.getElementsByTagName("arg"):
1251
if (arg.getAttribute("direction")
1252
== "out"):
1253
arg.setAttribute("name",
1254
"xml_data")
1255
xmlstring = document.toxml("utf-8")
1256
document.unlink()
1257
except (AttributeError, xml.dom.DOMException,
1258
xml.parsers.expat.ExpatError) as error:
1259
logger.error("Failed to override Introspection method",
1260
exc_info=error)
1261
return xmlstring
1262
1263
1264
class DBusObjectWithProperties(DBusObjectWithAnnotations):
1265
"""A D-Bus object with properties.
1266
1267
Classes inheriting from this can use the dbus_service_property
1268
decorator to expose methods as D-Bus properties. It exposes the
1269
standard Get(), Set(), and GetAll() methods on the D-Bus.
1270
"""
896
inspect.getmembers(cls,
897
self._is_dbus_thing(thing)))
1271
898
1272
899
def _get_dbus_property(self, interface_name, property_name):
1273
900
"""Returns a bound method if one exists which is a D-Bus
1274
901
property with the specified name and interface.
1275
902
"""
1276
for cls in self.__class__.__mro__:
1277
for name, value in inspect.getmembers(
1278
cls, self._is_dbus_thing("property")):
903
for cls in self.__class__.__mro__:
904
for name, value in (inspect.getmembers
905
(cls,
906
self._is_dbus_thing("property"))):
1279
907
if (value._dbus_name == property_name
1280
908
and value._dbus_interface == interface_name):
1281
909
return value.__get__(self)
1282
910
1283
911
# No such property
1284
raise DBusPropertyNotFound("{}:{}.{}".format(
1285
self.dbus_object_path, interface_name, property_name))
1286
1287
@classmethod
1288
def _get_all_interface_names(cls):
1289
"""Get a sequence of all interfaces supported by an object"""
1290
return (name for name in set(getattr(getattr(x, attr),
1291
"_dbus_interface", None)
1292
for x in (inspect.getmro(cls))
1293
for attr in dir(x))
1294
if name is not None)
1295
1296
@dbus.service.method(dbus.PROPERTIES_IFACE,
1297
in_signature="ss",
912
raise DBusPropertyNotFound(self.dbus_object_path + ":"
913
+ interface_name + "."
914
+ property_name)
915
916
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ss",
1298
917
out_signature="v")
1299
918
def Get(self, interface_name, property_name):
1300
919
"""Standard D-Bus property Get() method, see D-Bus standard.
1319
938
# signatures other than "ay".
1320
939
if prop._dbus_signature != "ay":
1321
940
raise ValueError("Byte arrays not supported for non-"
1322
"'ay' signature {!r}"
941
"'ay' signature {0!r}"
1323
942
.format(prop._dbus_signature))
1324
943
value = dbus.ByteArray(b''.join(chr(byte)
1325
944
for byte in value))
1326
945
prop(value)
1327
946
1328
@dbus.service.method(dbus.PROPERTIES_IFACE,
1329
in_signature="s",
947
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="s",
1330
948
out_signature="a{sv}")
1331
949
def GetAll(self, interface_name):
1332
950
"""Standard D-Bus property GetAll() method, see D-Bus
1347
965
if not hasattr(value, "variant_level"):
1348
966
properties[name] = value
1349
967
continue
1350
properties[name] = type(value)(
1351
value, variant_level = value.variant_level + 1)
968
properties[name] = type(value)(value, variant_level=
969
value.variant_level+1)
1352
970
return dbus.Dictionary(properties, signature="sv")
1353
971
1354
@dbus.service.signal(dbus.PROPERTIES_IFACE, signature="sa{sv}as")
1355
def PropertiesChanged(self, interface_name, changed_properties,
1356
invalidated_properties):
1357
"""Standard D-Bus PropertiesChanged() signal, see D-Bus
1358
standard.
1359
"""
1360
pass
1361
1362
972
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1363
973
out_signature="s",
1364
974
path_keyword='object_path',
1368
978
1369
979
Inserts property tags and interface annotation tags.
1370
980
"""
1371
xmlstring = DBusObjectWithAnnotations.Introspect(self,
1372
object_path,
1373
connection)
981
xmlstring = dbus.service.Object.Introspect(self, object_path,
982
connection)
1374
983
try:
1375
984
document = xml.dom.minidom.parseString(xmlstring)
1376
1377
985
def make_tag(document, name, prop):
1378
986
e = document.createElement("property")
1379
987
e.setAttribute("name", name)
1380
988
e.setAttribute("type", prop._dbus_signature)
1381
989
e.setAttribute("access", prop._dbus_access)
1382
990
return e
1383
1384
991
for if_tag in document.getElementsByTagName("interface"):
1385
992
# Add property tags
1386
993
for tag in (make_tag(document, name, prop)
1389
996
if prop._dbus_interface
1390
997
== if_tag.getAttribute("name")):
1391
998
if_tag.appendChild(tag)
1392
# Add annotation tags for properties
1393
for tag in if_tag.getElementsByTagName("property"):
1394
annots = dict()
1395
for name, prop in self._get_all_dbus_things(
1396
"property"):
1397
if (name == tag.getAttribute("name")
1398
and prop._dbus_interface
1399
== if_tag.getAttribute("name")):
1400
annots.update(getattr(
1401
prop, "_dbus_annotations", {}))
1402
for name, value in annots.items():
1403
ann_tag = document.createElement(
1404
"annotation")
1405
ann_tag.setAttribute("name", name)
1406
ann_tag.setAttribute("value", value)
1407
tag.appendChild(ann_tag)
999
# Add annotation tags
1000
for typ in ("method", "signal", "property"):
1001
for tag in if_tag.getElementsByTagName(typ):
1002
annots = dict()
1003
for name, prop in (self.
1004
_get_all_dbus_things(typ)):
1005
if (name == tag.getAttribute("name")
1006
and prop._dbus_interface
1007
== if_tag.getAttribute("name")):
1008
annots.update(getattr
1009
(prop,
1010
"_dbus_annotations",
1011
{}))
1012
for name, value in annots.iteritems():
1013
ann_tag = document.createElement(
1014
"annotation")
1015
ann_tag.setAttribute("name", name)
1016
ann_tag.setAttribute("value", value)
1017
tag.appendChild(ann_tag)
1018
# Add interface annotation tags
1019
for annotation, value in dict(
1020
itertools.chain.from_iterable(
1021
annotations().iteritems()
1022
for name, annotations in
1023
self._get_all_dbus_things("interface")
1024
if name == if_tag.getAttribute("name")
1025
)).iteritems():
1026
ann_tag = document.createElement("annotation")
1027
ann_tag.setAttribute("name", annotation)
1028
ann_tag.setAttribute("value", value)
1029
if_tag.appendChild(ann_tag)
1408
1030
# Add the names to the return values for the
1409
1031
# "org.freedesktop.DBus.Properties" methods
1410
1032
if (if_tag.getAttribute("name")
1428
1050
exc_info=error)
1429
1051
return xmlstring
1430
1052
1431
try:
1432
dbus.OBJECT_MANAGER_IFACE
1433
except AttributeError:
1434
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
1435
1436
class DBusObjectWithObjectManager(DBusObjectWithAnnotations):
1437
"""A D-Bus object with an ObjectManager.
1438
1439
Classes inheriting from this exposes the standard
1440
GetManagedObjects call and the InterfacesAdded and
1441
InterfacesRemoved signals on the standard
1442
"org.freedesktop.DBus.ObjectManager" interface.
1443
1444
Note: No signals are sent automatically; they must be sent
1445
manually.
1446
"""
1447
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
1448
out_signature = "a{oa{sa{sv}}}")
1449
def GetManagedObjects(self):
1450
"""This function must be overridden"""
1451
raise NotImplementedError()
1452
1453
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE,
1454
signature = "oa{sa{sv}}")
1455
def InterfacesAdded(self, object_path, interfaces_and_properties):
1456
pass
1457
1458
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE, signature = "oas")
1459
def InterfacesRemoved(self, object_path, interfaces):
1460
pass
1461
1462
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1463
out_signature = "s",
1464
path_keyword = 'object_path',
1465
connection_keyword = 'connection')
1466
def Introspect(self, object_path, connection):
1467
"""Overloading of standard D-Bus method.
1468
1469
Override return argument name of GetManagedObjects to be
1470
"objpath_interfaces_and_properties"
1471
"""
1472
xmlstring = DBusObjectWithAnnotations.Introspect(self,
1473
object_path,
1474
connection)
1475
try:
1476
document = xml.dom.minidom.parseString(xmlstring)
1477
1478
for if_tag in document.getElementsByTagName("interface"):
1479
# Fix argument name for the GetManagedObjects method
1480
if (if_tag.getAttribute("name")
1481
== dbus.OBJECT_MANAGER_IFACE):
1482
for cn in if_tag.getElementsByTagName("method"):
1483
if (cn.getAttribute("name")
1484
== "GetManagedObjects"):
1485
for arg in cn.getElementsByTagName("arg"):
1486
if (arg.getAttribute("direction")
1487
== "out"):
1488
arg.setAttribute(
1489
"name",
1490
"objpath_interfaces"
1491
"_and_properties")
1492
xmlstring = document.toxml("utf-8")
1493
document.unlink()
1494
except (AttributeError, xml.dom.DOMException,
1495
xml.parsers.expat.ExpatError) as error:
1496
logger.error("Failed to override Introspection method",
1497
exc_info = error)
1498
return xmlstring
1499
1053
1500
1054
def datetime_to_dbus(dt, variant_level=0):
1501
1055
"""Convert a UTC datetime.datetime() to a D-Bus type."""
1502
1056
if dt is None:
1503
1057
return dbus.String("", variant_level = variant_level)
1504
return dbus.String(dt.isoformat(), variant_level=variant_level)
1058
return dbus.String(dt.isoformat(),
1059
variant_level=variant_level)
1505
1060
1506
1061
1507
1062
def alternate_dbus_interfaces(alt_interface_names, deprecate=True):
1527
1082
(from DBusObjectWithProperties) and interfaces (from the
1528
1083
dbus_interface_annotations decorator).
1529
1084
"""
1530
1531
1085
def wrapper(cls):
1532
1086
for orig_interface_name, alt_interface_name in (
1533
alt_interface_names.items()):
1087
alt_interface_names.iteritems()):
1534
1088
attr = {}
1535
1089
interface_names = set()
1536
1090
# Go though all attributes of the class
1538
1092
# Ignore non-D-Bus attributes, and D-Bus attributes
1539
1093
# with the wrong interface name
1540
1094
if (not hasattr(attribute, "_dbus_interface")
1541
or not attribute._dbus_interface.startswith(
1542
orig_interface_name)):
1095
or not attribute._dbus_interface
1096
.startswith(orig_interface_name)):
1543
1097
continue
1544
1098
# Create an alternate D-Bus interface name based on
1545
1099
# the current name
1546
alt_interface = attribute._dbus_interface.replace(
1547
orig_interface_name, alt_interface_name)
1100
alt_interface = (attribute._dbus_interface
1101
.replace(orig_interface_name,
1102
alt_interface_name))
1548
1103
interface_names.add(alt_interface)
1549
1104
# Is this a D-Bus signal?
1550
1105
if getattr(attribute, "_dbus_is_signal", False):
1551
1106
# Extract the original non-method undecorated
1552
1107
# function by black magic
1553
if sys.version_info.major == 2:
1554
nonmethod_func = (dict(
1108
nonmethod_func = (dict(
1555
1109
zip(attribute.func_code.co_freevars,
1556
attribute.__closure__))
1557
["func"].cell_contents)
1558
else:
1559
nonmethod_func = (dict(
1560
zip(attribute.__code__.co_freevars,
1561
attribute.__closure__))
1562
["func"].cell_contents)
1110
attribute.__closure__))["func"]
1111
.cell_contents)
1563
1112
# Create a new, but exactly alike, function
1564
1113
# object, and decorate it to be a new D-Bus signal
1565
1114
# with the alternate D-Bus interface name
1566
new_function = copy_function(nonmethod_func)
1567
new_function = (dbus.service.signal(
1568
alt_interface,
1569
attribute._dbus_signature)(new_function))
1115
new_function = (dbus.service.signal
1116
(alt_interface,
1117
attribute._dbus_signature)
1118
(types.FunctionType(
1119
nonmethod_func.func_code,
1120
nonmethod_func.func_globals,
1121
nonmethod_func.func_name,
1122
nonmethod_func.func_defaults,
1123
nonmethod_func.func_closure)))
1570
1124
# Copy annotations, if any
1571
1125
try:
1572
new_function._dbus_annotations = dict(
1573
attribute._dbus_annotations)
1126
new_function._dbus_annotations = (
1127
dict(attribute._dbus_annotations))
1574
1128
except AttributeError:
1575
1129
pass
1576
1130
# Define a creator of a function to call both the
1581
1135
"""This function is a scope container to pass
1582
1136
func1 and func2 to the "call_both" function
1583
1137
outside of its arguments"""
1584
1585
@functools.wraps(func2)
1586
1138
def call_both(*args, **kwargs):
1587
1139
"""This function will emit two D-Bus
1588
1140
signals by calling func1 and func2"""
1589
1141
func1(*args, **kwargs)
1590
1142
func2(*args, **kwargs)
1591
# Make wrapper function look like a D-Bus signal
1592
for name, attr in inspect.getmembers(func2):
1593
if name.startswith("_dbus_"):
1594
setattr(call_both, name, attr)
1595
1596
1143
return call_both
1597
1144
# Create the "call_both" function and add it to
1598
1145
# the class
1603
1150
# object. Decorate it to be a new D-Bus method
1604
1151
# with the alternate D-Bus interface name. Add it
1605
1152
# to the class.
1606
attr[attrname] = (
1607
dbus.service.method(
1608
alt_interface,
1609
attribute._dbus_in_signature,
1610
attribute._dbus_out_signature)
1611
(copy_function(attribute)))
1153
attr[attrname] = (dbus.service.method
1154
(alt_interface,
1155
attribute._dbus_in_signature,
1156
attribute._dbus_out_signature)
1157
(types.FunctionType
1158
(attribute.func_code,
1159
attribute.func_globals,
1160
attribute.func_name,
1161
attribute.func_defaults,
1162
attribute.func_closure)))
1612
1163
# Copy annotations, if any
1613
1164
try:
1614
attr[attrname]._dbus_annotations = dict(
1615
attribute._dbus_annotations)
1165
attr[attrname]._dbus_annotations = (
1166
dict(attribute._dbus_annotations))
1616
1167
except AttributeError:
1617
1168
pass
1618
1169
# Is this a D-Bus property?
1621
1172
# object, and decorate it to be a new D-Bus
1622
1173
# property with the alternate D-Bus interface
1623
1174
# name. Add it to the class.
1624
attr[attrname] = (dbus_service_property(
1625
alt_interface, attribute._dbus_signature,
1626
attribute._dbus_access,
1627
attribute._dbus_get_args_options
1628
["byte_arrays"])
1629
(copy_function(attribute)))
1175
attr[attrname] = (dbus_service_property
1176
(alt_interface,
1177
attribute._dbus_signature,
1178
attribute._dbus_access,
1179
attribute
1180
._dbus_get_args_options
1181
["byte_arrays"])
1182
(types.FunctionType
1183
(attribute.func_code,
1184
attribute.func_globals,
1185
attribute.func_name,
1186
attribute.func_defaults,
1187
attribute.func_closure)))
1630
1188
# Copy annotations, if any
1631
1189
try:
1632
attr[attrname]._dbus_annotations = dict(
1633
attribute._dbus_annotations)
1190
attr[attrname]._dbus_annotations = (
1191
dict(attribute._dbus_annotations))
1634
1192
except AttributeError:
1635
1193
pass
1636
1194
# Is this a D-Bus interface?
1639
1197
# object. Decorate it to be a new D-Bus interface
1640
1198
# with the alternate D-Bus interface name. Add it
1641
1199
# to the class.
1642
attr[attrname] = (
1643
dbus_interface_annotations(alt_interface)
1644
(copy_function(attribute)))
1200
attr[attrname] = (dbus_interface_annotations
1201
(alt_interface)
1202
(types.FunctionType
1203
(attribute.func_code,
1204
attribute.func_globals,
1205
attribute.func_name,
1206
attribute.func_defaults,
1207
attribute.func_closure)))
1645
1208
if deprecate:
1646
1209
# Deprecate all alternate interfaces
1647
iname="_AlternateDBusNames_interface_annotation{}"
1210
iname="_AlternateDBusNames_interface_annotation{0}"
1648
1211
for interface_name in interface_names:
1649
1650
1212
@dbus_interface_annotations(interface_name)
1651
1213
def func(self):
1652
1214
return { "org.freedesktop.DBus.Deprecated":
1653
"true" }
1215
"true" }
1654
1216
# Find an unused name
1655
1217
for aname in (iname.format(i)
1656
1218
for i in itertools.count()):
1660
1222
if interface_names:
1661
1223
# Replace the class with a new subclass of it with
1662
1224
# methods, signals, etc. as created above.
1663
if sys.version_info.major == 2:
1664
cls = type(b"{}Alternate".format(cls.__name__),
1665
(cls, ), attr)
1666
else:
1667
cls = type("{}Alternate".format(cls.__name__),
1668
(cls, ), attr)
1225
cls = type(b"{0}Alternate".format(cls.__name__),
1226
(cls,), attr)
1669
1227
return cls
1670
1671
1228
return wrapper
1672
1229
1673
1230
1674
1231
@alternate_dbus_interfaces({"se.recompile.Mandos":
1675
"se.bsnet.fukt.Mandos"})
1232
"se.bsnet.fukt.Mandos"})
1676
1233
class ClientDBus(Client, DBusObjectWithProperties):
1677
1234
"""A Client class using D-Bus
1678
1235
1682
1239
"""
1683
1240
1684
1241
runtime_expansions = (Client.runtime_expansions
1685
+ ("dbus_object_path", ))
1686
1687
_interface = "se.recompile.Mandos.Client"
1242
+ ("dbus_object_path",))
1688
1243
1689
1244
# dbus.service.Object doesn't use super(), so we can't either.
1690
1245
1693
1248
Client.__init__(self, *args, **kwargs)
1694
1249
# Only now, when this client is initialized, can it show up on
1695
1250
# the D-Bus
1696
client_object_name = str(self.name).translate(
1251
client_object_name = unicode(self.name).translate(
1697
1252
{ord("."): ord("_"),
1698
1253
ord("-"): ord("_")})
1699
self.dbus_object_path = dbus.ObjectPath(
1700
"/clients/" + client_object_name)
1254
self.dbus_object_path = (dbus.ObjectPath
1255
("/clients/" + client_object_name))
1701
1256
DBusObjectWithProperties.__init__(self, self.bus,
1702
1257
self.dbus_object_path)
1703
1258
1704
def notifychangeproperty(transform_func, dbus_name,
1705
type_func=lambda x: x,
1706
variant_level=1,
1707
invalidate_only=False,
1708
_interface=_interface):
1259
def notifychangeproperty(transform_func,
1260
dbus_name, type_func=lambda x: x,
1261
variant_level=1):
1709
1262
""" Modify a variable so that it's a property which announces
1710
1263
its changes to DBus.
1711
1264
1716
1269
to the D-Bus. Default: no transform
1717
1270
variant_level: D-Bus variant level. Default: 1
1718
1271
"""
1719
attrname = "_{}".format(dbus_name)
1720
1272
attrname = "_{0}".format(dbus_name)
1721
1273
def setter(self, value):
1722
1274
if hasattr(self, "dbus_object_path"):
1723
1275
if (not hasattr(self, attrname) or
1724
1276
type_func(getattr(self, attrname, None))
1725
1277
!= type_func(value)):
1726
if invalidate_only:
1727
self.PropertiesChanged(
1728
_interface, dbus.Dictionary(),
1729
dbus.Array((dbus_name, )))
1730
else:
1731
dbus_value = transform_func(
1732
type_func(value),
1733
variant_level = variant_level)
1734
self.PropertyChanged(dbus.String(dbus_name),
1735
dbus_value)
1736
self.PropertiesChanged(
1737
_interface,
1738
dbus.Dictionary({ dbus.String(dbus_name):
1739
dbus_value }),
1740
dbus.Array())
1278
dbus_value = transform_func(type_func(value),
1279
variant_level
1280
=variant_level)
1281
self.PropertyChanged(dbus.String(dbus_name),
1282
dbus_value)
1741
1283
setattr(self, attrname, value)
1742
1284
1743
1285
return property(lambda self: getattr(self, attrname), setter)
1749
1291
enabled = notifychangeproperty(dbus.Boolean, "Enabled")
1750
1292
last_enabled = notifychangeproperty(datetime_to_dbus,
1751
1293
"LastEnabled")
1752
checker = notifychangeproperty(
1753
dbus.Boolean, "CheckerRunning",
1754
type_func = lambda checker: checker is not None)
1294
checker = notifychangeproperty(dbus.Boolean, "CheckerRunning",
1295
type_func = lambda checker:
1296
checker is not None)
1755
1297
last_checked_ok = notifychangeproperty(datetime_to_dbus,
1756
1298
"LastCheckedOK")
1757
1299
last_checker_status = notifychangeproperty(dbus.Int16,
1760
1302
datetime_to_dbus, "LastApprovalRequest")
1761
1303
approved_by_default = notifychangeproperty(dbus.Boolean,
1762
1304
"ApprovedByDefault")
1763
approval_delay = notifychangeproperty(
1764
dbus.UInt64, "ApprovalDelay",
1765
type_func = lambda td: td.total_seconds() * 1000)
1305
approval_delay = notifychangeproperty(dbus.UInt64,
1306
"ApprovalDelay",
1307
type_func =
1308
timedelta_to_milliseconds)
1766
1309
approval_duration = notifychangeproperty(
1767
1310
dbus.UInt64, "ApprovalDuration",
1768
type_func = lambda td: td.total_seconds() * 1000)
1311
type_func = timedelta_to_milliseconds)
1769
1312
host = notifychangeproperty(dbus.String, "Host")
1770
timeout = notifychangeproperty(
1771
dbus.UInt64, "Timeout",
1772
type_func = lambda td: td.total_seconds() * 1000)
1313
timeout = notifychangeproperty(dbus.UInt64, "Timeout",
1314
type_func =
1315
timedelta_to_milliseconds)
1773
1316
extended_timeout = notifychangeproperty(
1774
1317
dbus.UInt64, "ExtendedTimeout",
1775
type_func = lambda td: td.total_seconds() * 1000)
1776
interval = notifychangeproperty(
1777
dbus.UInt64, "Interval",
1778
type_func = lambda td: td.total_seconds() * 1000)
1318
type_func = timedelta_to_milliseconds)
1319
interval = notifychangeproperty(dbus.UInt64,
1320
"Interval",
1321
type_func =
1322
timedelta_to_milliseconds)
1779
1323
checker_command = notifychangeproperty(dbus.String, "Checker")
1780
secret = notifychangeproperty(dbus.ByteArray, "Secret",
1781
invalidate_only=True)
1782
1324
1783
1325
del notifychangeproperty
1784
1326
1791
1333
DBusObjectWithProperties.__del__(self, *args, **kwargs)
1792
1334
Client.__del__(self, *args, **kwargs)
1793
1335
1794
def checker_callback(self, source, condition,
1795
connection, command, *args, **kwargs):
1796
ret = Client.checker_callback(self, source, condition,
1797
connection, command, *args,
1798
**kwargs)
1799
exitstatus = self.last_checker_status
1800
if exitstatus >= 0:
1336
def checker_callback(self, pid, condition, command,
1337
*args, **kwargs):
1338
self.checker_callback_tag = None
1339
self.checker = None
1340
if os.WIFEXITED(condition):
1341
exitstatus = os.WEXITSTATUS(condition)
1801
1342
# Emit D-Bus signal
1802
1343
self.CheckerCompleted(dbus.Int16(exitstatus),
1803
# This is specific to GNU libC
1804
dbus.Int64(exitstatus << 8),
1344
dbus.Int64(condition),
1805
1345
dbus.String(command))
1806
1346
else:
1807
1347
# Emit D-Bus signal
1808
1348
self.CheckerCompleted(dbus.Int16(-1),
1809
dbus.Int64(
1810
# This is specific to GNU libC
1811
(exitstatus << 8)
1812
| self.last_checker_signal),
1349
dbus.Int64(condition),
1813
1350
dbus.String(command))
1814
return ret
1351
1352
return Client.checker_callback(self, pid, condition, command,
1353
*args, **kwargs)
1815
1354
1816
1355
def start_checker(self, *args, **kwargs):
1817
1356
old_checker_pid = getattr(self.checker, "pid", None)
1829
1368
1830
1369
def approve(self, value=True):
1831
1370
self.approved = value
1832
GLib.timeout_add(int(self.approval_duration.total_seconds()
1833
* 1000), self._reset_approved)
1371
gobject.timeout_add(timedelta_to_milliseconds
1372
(self.approval_duration),
1373
self._reset_approved)
1834
1374
self.send_changedstate()
1835
1375
1836
1376
## D-Bus methods, signals & properties
1377
_interface = "se.recompile.Mandos.Client"
1837
1378
1838
1379
## Interfaces
1839
1380
1381
@dbus_interface_annotations(_interface)
1382
def _foo(self):
1383
return { "org.freedesktop.DBus.Property.EmitsChangedSignal":
1384
"false"}
1385
1840
1386
## Signals
1841
1387
1842
1388
# CheckerCompleted - signal
1852
1398
pass
1853
1399
1854
1400
# PropertyChanged - signal
1855
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1856
1401
@dbus.service.signal(_interface, signature="sv")
1857
1402
def PropertyChanged(self, property, value):
1858
1403
"D-Bus signal"
1892
1437
self.checked_ok()
1893
1438
1894
1439
# Enable - method
1895
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1896
1440
@dbus.service.method(_interface)
1897
1441
def Enable(self):
1898
1442
"D-Bus method"
1899
1443
self.enable()
1900
1444
1901
1445
# StartChecker - method
1902
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1903
1446
@dbus.service.method(_interface)
1904
1447
def StartChecker(self):
1905
1448
"D-Bus method"
1906
1449
self.start_checker()
1907
1450
1908
1451
# Disable - method
1909
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1910
1452
@dbus.service.method(_interface)
1911
1453
def Disable(self):
1912
1454
"D-Bus method"
1913
1455
self.disable()
1914
1456
1915
1457
# StopChecker - method
1916
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1917
1458
@dbus.service.method(_interface)
1918
1459
def StopChecker(self):
1919
1460
self.stop_checker()
1926
1467
return dbus.Boolean(bool(self.approvals_pending))
1927
1468
1928
1469
# ApprovedByDefault - property
1929
@dbus_service_property(_interface,
1930
signature="b",
1470
@dbus_service_property(_interface, signature="b",
1931
1471
access="readwrite")
1932
1472
def ApprovedByDefault_dbus_property(self, value=None):
1933
1473
if value is None: # get
1935
1475
self.approved_by_default = bool(value)
1936
1476
1937
1477
# ApprovalDelay - property
1938
@dbus_service_property(_interface,
1939
signature="t",
1478
@dbus_service_property(_interface, signature="t",
1940
1479
access="readwrite")
1941
1480
def ApprovalDelay_dbus_property(self, value=None):
1942
1481
if value is None: # get
1943
return dbus.UInt64(self.approval_delay.total_seconds()
1944
* 1000)
1482
return dbus.UInt64(self.approval_delay_milliseconds())
1945
1483
self.approval_delay = datetime.timedelta(0, 0, 0, value)
1946
1484
1947
1485
# ApprovalDuration - property
1948
@dbus_service_property(_interface,
1949
signature="t",
1486
@dbus_service_property(_interface, signature="t",
1950
1487
access="readwrite")
1951
1488
def ApprovalDuration_dbus_property(self, value=None):
1952
1489
if value is None: # get
1953
return dbus.UInt64(self.approval_duration.total_seconds()
1954
* 1000)
1490
return dbus.UInt64(timedelta_to_milliseconds(
1491
self.approval_duration))
1955
1492
self.approval_duration = datetime.timedelta(0, 0, 0, value)
1956
1493
1957
1494
# Name - property
1958
@dbus_annotations(
1959
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
1960
1495
@dbus_service_property(_interface, signature="s", access="read")
1961
1496
def Name_dbus_property(self):
1962
1497
return dbus.String(self.name)
1963
1498
1964
1499
# Fingerprint - property
1965
@dbus_annotations(
1966
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
1967
1500
@dbus_service_property(_interface, signature="s", access="read")
1968
1501
def Fingerprint_dbus_property(self):
1969
1502
return dbus.String(self.fingerprint)
1970
1503
1971
1504
# Host - property
1972
@dbus_service_property(_interface,
1973
signature="s",
1505
@dbus_service_property(_interface, signature="s",
1974
1506
access="readwrite")
1975
1507
def Host_dbus_property(self, value=None):
1976
1508
if value is None: # get
1977
1509
return dbus.String(self.host)
1978
self.host = str(value)
1510
self.host = unicode(value)
1979
1511
1980
1512
# Created - property
1981
@dbus_annotations(
1982
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
1983
1513
@dbus_service_property(_interface, signature="s", access="read")
1984
1514
def Created_dbus_property(self):
1985
1515
return datetime_to_dbus(self.created)
1990
1520
return datetime_to_dbus(self.last_enabled)
1991
1521
1992
1522
# Enabled - property
1993
@dbus_service_property(_interface,
1994
signature="b",
1523
@dbus_service_property(_interface, signature="b",
1995
1524
access="readwrite")
1996
1525
def Enabled_dbus_property(self, value=None):
1997
1526
if value is None: # get
2002
1531
self.disable()
2003
1532
2004
1533
# LastCheckedOK - property
2005
@dbus_service_property(_interface,
2006
signature="s",
1534
@dbus_service_property(_interface, signature="s",
2007
1535
access="readwrite")
2008
1536
def LastCheckedOK_dbus_property(self, value=None):
2009
1537
if value is not None:
2012
1540
return datetime_to_dbus(self.last_checked_ok)
2013
1541
2014
1542
# LastCheckerStatus - property
2015
@dbus_service_property(_interface, signature="n", access="read")
1543
@dbus_service_property(_interface, signature="n",
1544
access="read")
2016
1545
def LastCheckerStatus_dbus_property(self):
2017
1546
return dbus.Int16(self.last_checker_status)
2018
1547
2027
1556
return datetime_to_dbus(self.last_approval_request)
2028
1557
2029
1558
# Timeout - property
2030
@dbus_service_property(_interface,
2031
signature="t",
1559
@dbus_service_property(_interface, signature="t",
2032
1560
access="readwrite")
2033
1561
def Timeout_dbus_property(self, value=None):
2034
1562
if value is None: # get
2035
return dbus.UInt64(self.timeout.total_seconds() * 1000)
1563
return dbus.UInt64(self.timeout_milliseconds())
2036
1564
old_timeout = self.timeout
2037
1565
self.timeout = datetime.timedelta(0, 0, 0, value)
2038
1566
# Reschedule disabling
2046
1574
if (getattr(self, "disable_initiator_tag", None)
2047
1575
is None):
2048
1576
return
2049
GLib.source_remove(self.disable_initiator_tag)
2050
self.disable_initiator_tag = GLib.timeout_add(
2051
int((self.expires - now).total_seconds() * 1000),
2052
self.disable)
1577
gobject.source_remove(self.disable_initiator_tag)
1578
self.disable_initiator_tag = (
1579
gobject.timeout_add(
1580
timedelta_to_milliseconds(self.expires - now),
1581
self.disable))
2053
1582
2054
1583
# ExtendedTimeout - property
2055
@dbus_service_property(_interface,
2056
signature="t",
1584
@dbus_service_property(_interface, signature="t",
2057
1585
access="readwrite")
2058
1586
def ExtendedTimeout_dbus_property(self, value=None):
2059
1587
if value is None: # get
2060
return dbus.UInt64(self.extended_timeout.total_seconds()
2061
* 1000)
1588
return dbus.UInt64(self.extended_timeout_milliseconds())
2062
1589
self.extended_timeout = datetime.timedelta(0, 0, 0, value)
2063
1590
2064
1591
# Interval - property
2065
@dbus_service_property(_interface,
2066
signature="t",
1592
@dbus_service_property(_interface, signature="t",
2067
1593
access="readwrite")
2068
1594
def Interval_dbus_property(self, value=None):
2069
1595
if value is None: # get
2070
return dbus.UInt64(self.interval.total_seconds() * 1000)
1596
return dbus.UInt64(self.interval_milliseconds())
2071
1597
self.interval = datetime.timedelta(0, 0, 0, value)
2072
1598
if getattr(self, "checker_initiator_tag", None) is None:
2073
1599
return
2074
1600
if self.enabled:
2075
1601
# Reschedule checker run
2076
GLib.source_remove(self.checker_initiator_tag)
2077
self.checker_initiator_tag = GLib.timeout_add(
2078
value, self.start_checker)
2079
self.start_checker() # Start one now, too
1602
gobject.source_remove(self.checker_initiator_tag)
1603
self.checker_initiator_tag = (gobject.timeout_add
1604
(value, self.start_checker))
1605
self.start_checker() # Start one now, too
2080
1606
2081
1607
# Checker - property
2082
@dbus_service_property(_interface,
2083
signature="s",
1608
@dbus_service_property(_interface, signature="s",
2084
1609
access="readwrite")
2085
1610
def Checker_dbus_property(self, value=None):
2086
1611
if value is None: # get
2087
1612
return dbus.String(self.checker_command)
2088
self.checker_command = str(value)
1613
self.checker_command = unicode(value)
2089
1614
2090
1615
# CheckerRunning - property
2091
@dbus_service_property(_interface,
2092
signature="b",
1616
@dbus_service_property(_interface, signature="b",
2093
1617
access="readwrite")
2094
1618
def CheckerRunning_dbus_property(self, value=None):
2095
1619
if value is None: # get
2100
1624
self.stop_checker()
2101
1625
2102
1626
# ObjectPath - property
2103
@dbus_annotations(
2104
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const",
2105
"org.freedesktop.DBus.Deprecated": "true"})
2106
1627
@dbus_service_property(_interface, signature="o", access="read")
2107
1628
def ObjectPath_dbus_property(self):
2108
1629
return self.dbus_object_path # is already a dbus.ObjectPath
2109
1630
2110
1631
# Secret = property
2111
@dbus_annotations(
2112
{"org.freedesktop.DBus.Property.EmitsChangedSignal":
2113
"invalidates"})
2114
@dbus_service_property(_interface,
2115
signature="ay",
2116
access="write",
2117
byte_arrays=True)
1632
@dbus_service_property(_interface, signature="ay",
1633
access="write", byte_arrays=True)
2118
1634
def Secret_dbus_property(self, value):
2119
self.secret = bytes(value)
1635
self.secret = str(value)
2120
1636
2121
1637
del _interface
2122
1638
2126
1642
self._pipe = child_pipe
2127
1643
self._pipe.send(('init', fpr, address))
2128
1644
if not self._pipe.recv():
2129
raise KeyError(fpr)
1645
raise KeyError()
2130
1646
2131
1647
def __getattribute__(self, name):
2132
1648
if name == '_pipe':
2136
1652
if data[0] == 'data':
2137
1653
return data[1]
2138
1654
if data[0] == 'function':
2139
2140
1655
def func(*args, **kwargs):
2141
1656
self._pipe.send(('funcall', name, args, kwargs))
2142
1657
return self._pipe.recv()[1]
2143
2144
1658
return func
2145
1659
2146
1660
def __setattr__(self, name, value):
2158
1672
def handle(self):
2159
1673
with contextlib.closing(self.server.child_pipe) as child_pipe:
2160
1674
logger.info("TCP connection from: %s",
2161
str(self.client_address))
1675
unicode(self.client_address))
2162
1676
logger.debug("Pipe FD: %d",
2163
1677
self.server.child_pipe.fileno())
2164
1678
2165
session = gnutls.ClientSession(self.request)
1679
session = (gnutls.connection
1680
.ClientSession(self.request,
1681
gnutls.connection
1682
.X509Credentials()))
1683
1684
# Note: gnutls.connection.X509Credentials is really a
1685
# generic GnuTLS certificate credentials object so long as
1686
# no X.509 keys are added to it. Therefore, we can use it
1687
# here despite using OpenPGP certificates.
2166
1688
2167
1689
#priority = ':'.join(("NONE", "+VERS-TLS1.1",
2168
1690
# "+AES-256-CBC", "+SHA1",
2172
1694
priority = self.server.gnutls_priority
2173
1695
if priority is None:
2174
1696
priority = "NORMAL"
2175
gnutls.priority_set_direct(session._c_object, priority,
2176
None)
1697
(gnutls.library.functions
1698
.gnutls_priority_set_direct(session._c_object,
1699
priority, None))
2177
1700
2178
1701
# Start communication using the Mandos protocol
2179
1702
# Get protocol number
2189
1712
# Start GnuTLS connection
2190
1713
try:
2191
1714
session.handshake()
2192
except gnutls.Error as error:
1715
except gnutls.errors.GNUTLSError as error:
2193
1716
logger.warning("Handshake failed: %s", error)
2194
1717
# Do not run session.bye() here: the session is not
2195
1718
# established. Just abandon the request.
2199
1722
approval_required = False
2200
1723
try:
2201
1724
try:
2202
fpr = self.fingerprint(
2203
self.peer_certificate(session))
2204
except (TypeError, gnutls.Error) as error:
1725
fpr = self.fingerprint(self.peer_certificate
1726
(session))
1727
except (TypeError,
1728
gnutls.errors.GNUTLSError) as error:
2205
1729
logger.warning("Bad certificate: %s", error)
2206
1730
return
2207
1731
logger.debug("Fingerprint: %s", fpr)
2220
1744
while True:
2221
1745
if not client.enabled:
2222
1746
logger.info("Client %s is disabled",
2223
client.name)
1747
client.name)
2224
1748
if self.server.use_dbus:
2225
1749
# Emit D-Bus signal
2226
1750
client.Rejected("Disabled")
2235
1759
if self.server.use_dbus:
2236
1760
# Emit D-Bus signal
2237
1761
client.NeedApproval(
2238
client.approval_delay.total_seconds()
2239
* 1000, client.approved_by_default)
1762
client.approval_delay_milliseconds(),
1763
client.approved_by_default)
2240
1764
else:
2241
1765
logger.warning("Client %s was not approved",
2242
1766
client.name)
2248
1772
#wait until timeout or approved
2249
1773
time = datetime.datetime.now()
2250
1774
client.changedstate.acquire()
2251
client.changedstate.wait(delay.total_seconds())
1775
client.changedstate.wait(
1776
float(timedelta_to_milliseconds(delay)
1777
/ 1000))
2252
1778
client.changedstate.release()
2253
1779
time2 = datetime.datetime.now()
2254
1780
if (time2 - time) >= delay:
2265
1791
else:
2266
1792
delay -= time2 - time
2267
1793
2268
try:
2269
session.send(client.secret)
2270
except gnutls.Error as error:
2271
logger.warning("gnutls send failed",
2272
exc_info = error)
2273
return
1794
sent_size = 0
1795
while sent_size < len(client.secret):
1796
try:
1797
sent = session.send(client.secret[sent_size:])
1798
except gnutls.errors.GNUTLSError as error:
1799
logger.warning("gnutls send failed",
1800
exc_info=error)
1801
return
1802
logger.debug("Sent: %d, remaining: %d",
1803
sent, len(client.secret)
1804
- (sent_size + sent))
1805
sent_size += sent
2274
1806
2275
1807
logger.info("Sending secret to %s", client.name)
2276
1808
# bump the timeout using extended_timeout
2284
1816
client.approvals_pending -= 1
2285
1817
try:
2286
1818
session.bye()
2287
except gnutls.Error as error:
1819
except gnutls.errors.GNUTLSError as error:
2288
1820
logger.warning("GnuTLS bye failed",
2289
1821
exc_info=error)
2290
1822
2292
1824
def peer_certificate(session):
2293
1825
"Return the peer's OpenPGP certificate as a bytestring"
2294
1826
# If not an OpenPGP certificate...
2295
if (gnutls.certificate_type_get(session._c_object)
2296
!= gnutls.CRT_OPENPGP):
2297
# ...return invalid data
2298
return b""
1827
if (gnutls.library.functions
1828
.gnutls_certificate_type_get(session._c_object)
1829
!= gnutls.library.constants.GNUTLS_CRT_OPENPGP):
1830
# ...do the normal thing
1831
return session.peer_certificate
2299
1832
list_size = ctypes.c_uint(1)
2300
cert_list = (gnutls.certificate_get_peers
1833
cert_list = (gnutls.library.functions
1834
.gnutls_certificate_get_peers
2301
1835
(session._c_object, ctypes.byref(list_size)))
2302
1836
if not bool(cert_list) and list_size.value != 0:
2303
raise gnutls.Error("error getting peer certificate")
1837
raise gnutls.errors.GNUTLSError("error getting peer"
1838
" certificate")
2304
1839
if list_size.value == 0:
2305
1840
return None
2306
1841
cert = cert_list[0]
2310
1845
def fingerprint(openpgp):
2311
1846
"Convert an OpenPGP bytestring to a hexdigit fingerprint"
2312
1847
# New GnuTLS "datum" with the OpenPGP public key
2313
datum = gnutls.datum_t(
2314
ctypes.cast(ctypes.c_char_p(openpgp),
2315
ctypes.POINTER(ctypes.c_ubyte)),
2316
ctypes.c_uint(len(openpgp)))
1848
datum = (gnutls.library.types
1849
.gnutls_datum_t(ctypes.cast(ctypes.c_char_p(openpgp),
1850
ctypes.POINTER
1851
(ctypes.c_ubyte)),
1852
ctypes.c_uint(len(openpgp))))
2317
1853
# New empty GnuTLS certificate
2318
crt = gnutls.openpgp_crt_t()
2319
gnutls.openpgp_crt_init(ctypes.byref(crt))
1854
crt = gnutls.library.types.gnutls_openpgp_crt_t()
1855
(gnutls.library.functions
1856
.gnutls_openpgp_crt_init(ctypes.byref(crt)))
2320
1857
# Import the OpenPGP public key into the certificate
2321
gnutls.openpgp_crt_import(crt, ctypes.byref(datum),
2322
gnutls.OPENPGP_FMT_RAW)
1858
(gnutls.library.functions
1859
.gnutls_openpgp_crt_import(crt, ctypes.byref(datum),
1860
gnutls.library.constants
1861
.GNUTLS_OPENPGP_FMT_RAW))
2323
1862
# Verify the self signature in the key
2324
1863
crtverify = ctypes.c_uint()
2325
gnutls.openpgp_crt_verify_self(crt, 0,
2326
ctypes.byref(crtverify))
1864
(gnutls.library.functions
1865
.gnutls_openpgp_crt_verify_self(crt, 0,
1866
ctypes.byref(crtverify)))
2327
1867
if crtverify.value != 0:
2328
gnutls.openpgp_crt_deinit(crt)
2329
raise gnutls.CertificateSecurityError("Verify failed")
1868
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
1869
raise (gnutls.errors.CertificateSecurityError
1870
("Verify failed"))
2330
1871
# New buffer for the fingerprint
2331
1872
buf = ctypes.create_string_buffer(20)
2332
1873
buf_len = ctypes.c_size_t()
2333
1874
# Get the fingerprint from the certificate into the buffer
2334
gnutls.openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
2335
ctypes.byref(buf_len))
1875
(gnutls.library.functions
1876
.gnutls_openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
1877
ctypes.byref(buf_len)))
2336
1878
# Deinit the certificate
2337
gnutls.openpgp_crt_deinit(crt)
1879
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
2338
1880
# Convert the buffer to a Python bytestring
2339
1881
fpr = ctypes.string_at(buf, buf_len.value)
2340
1882
# Convert the bytestring to hexadecimal notation
2344
1886
2345
1887
class MultiprocessingMixIn(object):
2346
1888
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
2347
2348
1889
def sub_process_main(self, request, address):
2349
1890
try:
2350
1891
self.finish_request(request, address)
2362
1903
2363
1904
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
2364
1905
""" adds a pipe to the MixIn """
2365
2366
1906
def process_request(self, request, client_address):
2367
1907
"""Overrides and wraps the original process_request().
2368
1908
2389
1929
interface: None or a network interface name (string)
2390
1930
use_ipv6: Boolean; to use IPv6 or not
2391
1931
"""
2392
2393
1932
def __init__(self, server_address, RequestHandlerClass,
2394
interface=None,
2395
use_ipv6=True,
2396
socketfd=None):
1933
interface=None, use_ipv6=True, socketfd=None):
2397
1934
"""If socketfd is set, use that file descriptor instead of
2398
1935
creating a new one with socket.socket().
2399
1936
"""
2440
1977
self.interface)
2441
1978
else:
2442
1979
try:
2443
self.socket.setsockopt(
2444
socket.SOL_SOCKET, SO_BINDTODEVICE,
2445
(self.interface + "\0").encode("utf-8"))
1980
self.socket.setsockopt(socket.SOL_SOCKET,
1981
SO_BINDTODEVICE,
1982
str(self.interface + '\0'))
2446
1983
except socket.error as error:
2447
1984
if error.errno == errno.EPERM:
2448
1985
logger.error("No permission to bind to"
2466
2003
self.server_address = (any_address,
2467
2004
self.server_address[1])
2468
2005
elif not self.server_address[1]:
2469
self.server_address = (self.server_address[0], 0)
2006
self.server_address = (self.server_address[0],
2007
0)
2470
2008
# if self.interface:
2471
2009
# self.server_address = (self.server_address[0],
2472
2010
# 0, # port
2484
2022
gnutls_priority GnuTLS priority string
2485
2023
use_dbus: Boolean; to emit D-Bus signals or not
2486
2024
2487
Assumes a GLib.MainLoop event loop.
2025
Assumes a gobject.MainLoop event loop.
2488
2026
"""
2489
2490
2027
def __init__(self, server_address, RequestHandlerClass,
2491
interface=None,
2492
use_ipv6=True,
2493
clients=None,
2494
gnutls_priority=None,
2495
use_dbus=True,
2496
socketfd=None):
2028
interface=None, use_ipv6=True, clients=None,
2029
gnutls_priority=None, use_dbus=True, socketfd=None):
2497
2030
self.enabled = False
2498
2031
self.clients = clients
2499
2032
if self.clients is None:
2505
2038
interface = interface,
2506
2039
use_ipv6 = use_ipv6,
2507
2040
socketfd = socketfd)
2508
2509
2041
def server_activate(self):
2510
2042
if self.enabled:
2511
2043
return socketserver.TCPServer.server_activate(self)
2515
2047
2516
2048
def add_pipe(self, parent_pipe, proc):
2517
2049
# Call "handle_ipc" for both data and EOF events
2518
GLib.io_add_watch(
2519
parent_pipe.fileno(),
2520
GLib.IO_IN | GLib.IO_HUP,
2521
functools.partial(self.handle_ipc,
2522
parent_pipe = parent_pipe,
2523
proc = proc))
2050
gobject.io_add_watch(parent_pipe.fileno(),
2051
gobject.IO_IN | gobject.IO_HUP,
2052
functools.partial(self.handle_ipc,
2053
parent_pipe =
2054
parent_pipe,
2055
proc = proc))
2524
2056
2525
def handle_ipc(self, source, condition,
2526
parent_pipe=None,
2527
proc = None,
2528
client_object=None):
2057
def handle_ipc(self, source, condition, parent_pipe=None,
2058
proc = None, client_object=None):
2529
2059
# error, or the other end of multiprocessing.Pipe has closed
2530
if condition & (GLib.IO_ERR | GLib.IO_HUP):
2060
if condition & (gobject.IO_ERR | gobject.IO_HUP):
2531
2061
# Wait for other process to exit
2532
2062
proc.join()
2533
2063
return False
2540
2070
fpr = request[1]
2541
2071
address = request[2]
2542
2072
2543
for c in self.clients.values():
2073
for c in self.clients.itervalues():
2544
2074
if c.fingerprint == fpr:
2545
2075
client = c
2546
2076
break
2554
2084
parent_pipe.send(False)
2555
2085
return False
2556
2086
2557
GLib.io_add_watch(
2558
parent_pipe.fileno(),
2559
GLib.IO_IN | GLib.IO_HUP,
2560
functools.partial(self.handle_ipc,
2561
parent_pipe = parent_pipe,
2562
proc = proc,
2563
client_object = client))
2087
gobject.io_add_watch(parent_pipe.fileno(),
2088
gobject.IO_IN | gobject.IO_HUP,
2089
functools.partial(self.handle_ipc,
2090
parent_pipe =
2091
parent_pipe,
2092
proc = proc,
2093
client_object =
2094
client))
2564
2095
parent_pipe.send(True)
2565
2096
# remove the old hook in favor of the new above hook on
2566
2097
# same fileno
2572
2103
2573
2104
parent_pipe.send(('data', getattr(client_object,
2574
2105
funcname)(*args,
2575
**kwargs)))
2106
**kwargs)))
2576
2107
2577
2108
if command == 'getattr':
2578
2109
attrname = request[1]
2579
if isinstance(client_object.__getattribute__(attrname),
2580
collections.Callable):
2581
parent_pipe.send(('function', ))
2110
if callable(client_object.__getattribute__(attrname)):
2111
parent_pipe.send(('function',))
2582
2112
else:
2583
parent_pipe.send((
2584
'data', client_object.__getattribute__(attrname)))
2113
parent_pipe.send(('data', client_object
2114
.__getattribute__(attrname)))
2585
2115
2586
2116
if command == 'setattr':
2587
2117
attrname = request[1]
2618
2148
# avoid excessive use of external libraries.
2619
2149
2620
2150
# New type for defining tokens, syntax, and semantics all-in-one
2621
Token = collections.namedtuple("Token", (
2622
"regexp", # To match token; if "value" is not None, must have
2623
# a "group" containing digits
2624
"value", # datetime.timedelta or None
2625
"followers")) # Tokens valid after this token
2151
Token = collections.namedtuple("Token",
2152
("regexp", # To match token; if
2153
# "value" is not None,
2154
# must have a "group"
2155
# containing digits
2156
"value", # datetime.timedelta or
2157
# None
2158
"followers")) # Tokens valid after
2159
# this token
2626
2160
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
2627
2161
# the "duration" ABNF definition in RFC 3339, Appendix A.
2628
2162
token_end = Token(re.compile(r"$"), None, frozenset())
2629
2163
token_second = Token(re.compile(r"(\d+)S"),
2630
2164
datetime.timedelta(seconds=1),
2631
frozenset((token_end, )))
2165
frozenset((token_end,)))
2632
2166
token_minute = Token(re.compile(r"(\d+)M"),
2633
2167
datetime.timedelta(minutes=1),
2634
2168
frozenset((token_second, token_end)))
2650
2184
frozenset((token_month, token_end)))
2651
2185
token_week = Token(re.compile(r"(\d+)W"),
2652
2186
datetime.timedelta(weeks=1),
2653
frozenset((token_end, )))
2187
frozenset((token_end,)))
2654
2188
token_duration = Token(re.compile(r"P"), None,
2655
2189
frozenset((token_year, token_month,
2656
2190
token_day, token_time,
2657
token_week)))
2191
token_week))),
2658
2192
# Define starting values
2659
2193
value = datetime.timedelta() # Value so far
2660
2194
found_token = None
2661
followers = frozenset((token_duration, )) # Following valid tokens
2195
followers = frozenset(token_duration,) # Following valid tokens
2662
2196
s = duration # String left to parse
2663
2197
# Loop until end token is found
2664
2198
while found_token is not token_end:
2681
2215
break
2682
2216
else:
2683
2217
# No currently valid tokens were found
2684
raise ValueError("Invalid RFC 3339 duration: {!r}"
2685
.format(duration))
2218
raise ValueError("Invalid RFC 3339 duration")
2686
2219
# End token found
2687
2220
return value
2688
2221
2712
2245
timevalue = datetime.timedelta(0)
2713
2246
for s in interval.split():
2714
2247
try:
2715
suffix = s[-1]
2248
suffix = unicode(s[-1])
2716
2249
value = int(s[:-1])
2717
2250
if suffix == "d":
2718
2251
delta = datetime.timedelta(value)
2725
2258
elif suffix == "w":
2726
2259
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
2727
2260
else:
2728
raise ValueError("Unknown suffix {!r}".format(suffix))
2261
raise ValueError("Unknown suffix {0!r}"
2262
.format(suffix))
2729
2263
except IndexError as e:
2730
2264
raise ValueError(*(e.args))
2731
2265
timevalue += delta
2748
2282
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
2749
2283
if not stat.S_ISCHR(os.fstat(null).st_mode):
2750
2284
raise OSError(errno.ENODEV,
2751
"{} not a character device"
2285
"{0} not a character device"
2752
2286
.format(os.devnull))
2753
2287
os.dup2(null, sys.stdin.fileno())
2754
2288
os.dup2(null, sys.stdout.fileno())
2764
2298
2765
2299
parser = argparse.ArgumentParser()
2766
2300
parser.add_argument("-v", "--version", action="version",
2767
version = "%(prog)s {}".format(version),
2301
version = "%(prog)s {0}".format(version),
2768
2302
help="show version number and exit")
2769
2303
parser.add_argument("-i", "--interface", metavar="IF",
2770
2304
help="Bind to interface IF")
2820
2354
"port": "",
2821
2355
"debug": "False",
2822
2356
"priority":
2823
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
2824
":+SIGN-DSA-SHA256",
2357
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:+SIGN-RSA-SHA224:+SIGN-RSA-RMD160",
2825
2358
"servicename": "Mandos",
2826
2359
"use_dbus": "True",
2827
2360
"use_ipv6": "True",
2831
2364
"statedir": "/var/lib/mandos",
2832
2365
"foreground": "False",
2833
2366
"zeroconf": "True",
2834
}
2367
}
2835
2368
2836
2369
# Parse config file for server-global settings
2837
2370
server_config = configparser.SafeConfigParser(server_defaults)
2838
2371
del server_defaults
2839
server_config.read(os.path.join(options.configdir, "mandos.conf"))
2372
server_config.read(os.path.join(options.configdir,
2373
"mandos.conf"))
2840
2374
# Convert the SafeConfigParser object to a dict
2841
2375
server_settings = server_config.defaults()
2842
2376
# Use the appropriate methods on the non-string config options
2860
2394
# Override the settings from the config file with command line
2861
2395
# options, if set.
2862
2396
for option in ("interface", "address", "port", "debug",
2863
"priority", "servicename", "configdir", "use_dbus",
2864
"use_ipv6", "debuglevel", "restore", "statedir",
2865
"socket", "foreground", "zeroconf"):
2397
"priority", "servicename", "configdir",
2398
"use_dbus", "use_ipv6", "debuglevel", "restore",
2399
"statedir", "socket", "foreground", "zeroconf"):
2866
2400
value = getattr(options, option)
2867
2401
if value is not None:
2868
2402
server_settings[option] = value
2869
2403
del options
2870
2404
# Force all strings to be unicode
2871
2405
for option in server_settings.keys():
2872
if isinstance(server_settings[option], bytes):
2873
server_settings[option] = (server_settings[option]
2874
.decode("utf-8"))
2406
if type(server_settings[option]) is str:
2407
server_settings[option] = unicode(server_settings[option])
2875
2408
# Force all boolean options to be boolean
2876
2409
for option in ("debug", "use_dbus", "use_ipv6", "restore",
2877
2410
"foreground", "zeroconf"):
2883
2416
2884
2417
##################################################################
2885
2418
2886
if (not server_settings["zeroconf"]
2887
and not (server_settings["port"]
2888
or server_settings["socket"] != "")):
2889
parser.error("Needs port or socket to work without Zeroconf")
2419
if (not server_settings["zeroconf"] and
2420
not (server_settings["port"]
2421
or server_settings["socket"] != "")):
2422
parser.error("Needs port or socket to work without"
2423
" Zeroconf")
2890
2424
2891
2425
# For convenience
2892
2426
debug = server_settings["debug"]
2908
2442
initlogger(debug, level)
2909
2443
2910
2444
if server_settings["servicename"] != "Mandos":
2911
syslogger.setFormatter(
2912
logging.Formatter('Mandos ({}) [%(process)d]:'
2913
' %(levelname)s: %(message)s'.format(
2914
server_settings["servicename"])))
2445
syslogger.setFormatter(logging.Formatter
2446
('Mandos ({0}) [%(process)d]:'
2447
' %(levelname)s: %(message)s'
2448
.format(server_settings
2449
["servicename"])))
2915
2450
2916
2451
# Parse config file with clients
2917
2452
client_config = configparser.SafeConfigParser(Client
2925
2460
socketfd = None
2926
2461
if server_settings["socket"] != "":
2927
2462
socketfd = server_settings["socket"]
2928
tcp_server = MandosServer(
2929
(server_settings["address"], server_settings["port"]),
2930
ClientHandler,
2931
interface=(server_settings["interface"] or None),
2932
use_ipv6=use_ipv6,
2933
gnutls_priority=server_settings["priority"],
2934
use_dbus=use_dbus,
2935
socketfd=socketfd)
2463
tcp_server = MandosServer((server_settings["address"],
2464
server_settings["port"]),
2465
ClientHandler,
2466
interface=(server_settings["interface"]
2467
or None),
2468
use_ipv6=use_ipv6,
2469
gnutls_priority=
2470
server_settings["priority"],
2471
use_dbus=use_dbus,
2472
socketfd=socketfd)
2936
2473
if not foreground:
2937
2474
pidfilename = "/run/mandos.pid"
2938
2475
if not os.path.isdir("/run/."):
2939
2476
pidfilename = "/var/run/mandos.pid"
2940
2477
pidfile = None
2941
2478
try:
2942
pidfile = codecs.open(pidfilename, "w", encoding="utf-8")
2479
pidfile = open(pidfilename, "w")
2943
2480
except IOError as e:
2944
2481
logger.error("Could not open file %r", pidfilename,
2945
2482
exc_info=e)
2946
2483
2947
for name, group in (("_mandos", "_mandos"),
2948
("mandos", "mandos"),
2949
("nobody", "nogroup")):
2484
for name in ("_mandos", "mandos", "nobody"):
2950
2485
try:
2951
2486
uid = pwd.getpwnam(name).pw_uid
2952
gid = pwd.getpwnam(group).pw_gid
2487
gid = pwd.getpwnam(name).pw_gid
2953
2488
break
2954
2489
except KeyError:
2955
2490
continue
2959
2494
try:
2960
2495
os.setgid(gid)
2961
2496
os.setuid(uid)
2962
if debug:
2963
logger.debug("Did setuid/setgid to {}:{}".format(uid,
2964
gid))
2965
2497
except OSError as error:
2966
logger.warning("Failed to setuid/setgid to {}:{}: {}"
2967
.format(uid, gid, os.strerror(error.errno)))
2968
2498
if error.errno != errno.EPERM:
2969
2499
raise
2970
2500
2973
2503
2974
2504
# "Use a log level over 10 to enable all debugging options."
2975
2505
# - GnuTLS manual
2976
gnutls.global_set_log_level(11)
2506
gnutls.library.functions.gnutls_global_set_log_level(11)
2977
2507
2978
@gnutls.log_func
2508
@gnutls.library.types.gnutls_log_func
2979
2509
def debug_gnutls(level, string):
2980
2510
logger.debug("GnuTLS: %s", string[:-1])
2981
2511
2982
gnutls.global_set_log_function(debug_gnutls)
2512
(gnutls.library.functions
2513
.gnutls_global_set_log_function(debug_gnutls))
2983
2514
2984
2515
# Redirect stdin so all checkers get /dev/null
2985
2516
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
2992
2523
# Close all input and output, do double fork, etc.
2993
2524
daemon()
2994
2525
2995
# multiprocessing will use threads, so before we use GLib we need
2996
# to inform GLib that threads will be used.
2997
GLib.threads_init()
2526
# multiprocessing will use threads, so before we use gobject we
2527
# need to inform gobject that threads will be used.
2528
gobject.threads_init()
2998
2529
2999
2530
global main_loop
3000
2531
# From the Avahi example code
3001
2532
DBusGMainLoop(set_as_default=True)
3002
main_loop = GLib.MainLoop()
2533
main_loop = gobject.MainLoop()
3003
2534
bus = dbus.SystemBus()
3004
2535
# End of Avahi example code
3005
2536
if use_dbus:
3006
2537
try:
3007
2538
bus_name = dbus.service.BusName("se.recompile.Mandos",
3008
bus,
3009
do_not_queue=True)
3010
old_bus_name = dbus.service.BusName(
3011
"se.bsnet.fukt.Mandos", bus,
3012
do_not_queue=True)
3013
except dbus.exceptions.DBusException as e:
2539
bus, do_not_queue=True)
2540
old_bus_name = (dbus.service.BusName
2541
("se.bsnet.fukt.Mandos", bus,
2542
do_not_queue=True))
2543
except dbus.exceptions.NameExistsException as e:
3014
2544
logger.error("Disabling D-Bus:", exc_info=e)
3015
2545
use_dbus = False
3016
2546
server_settings["use_dbus"] = False
3017
2547
tcp_server.use_dbus = False
3018
2548
if zeroconf:
3019
2549
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
3020
service = AvahiServiceToSyslog(
3021
name = server_settings["servicename"],
3022
servicetype = "_mandos._tcp",
3023
protocol = protocol,
3024
bus = bus)
2550
service = AvahiServiceToSyslog(name =
2551
server_settings["servicename"],
2552
servicetype = "_mandos._tcp",
2553
protocol = protocol, bus = bus)
3025
2554
if server_settings["interface"]:
3026
service.interface = if_nametoindex(
3027
server_settings["interface"].encode("utf-8"))
2555
service.interface = (if_nametoindex
2556
(str(server_settings["interface"])))
3028
2557
3029
2558
global multiprocessing_manager
3030
2559
multiprocessing_manager = multiprocessing.Manager()
3049
2578
if server_settings["restore"]:
3050
2579
try:
3051
2580
with open(stored_state_path, "rb") as stored_state:
3052
if sys.version_info.major == 2:
3053
clients_data, old_client_settings = pickle.load(
3054
stored_state)
3055
else:
3056
bytes_clients_data, bytes_old_client_settings = (
3057
pickle.load(stored_state, encoding = "bytes"))
3058
### Fix bytes to strings
3059
## clients_data
3060
# .keys()
3061
clients_data = { (key.decode("utf-8")
3062
if isinstance(key, bytes)
3063
else key): value
3064
for key, value in
3065
bytes_clients_data.items() }
3066
del bytes_clients_data
3067
for key in clients_data:
3068
value = { (k.decode("utf-8")
3069
if isinstance(k, bytes) else k): v
3070
for k, v in
3071
clients_data[key].items() }
3072
clients_data[key] = value
3073
# .client_structure
3074
value["client_structure"] = [
3075
(s.decode("utf-8")
3076
if isinstance(s, bytes)
3077
else s) for s in
3078
value["client_structure"] ]
3079
# .name & .host
3080
for k in ("name", "host"):
3081
if isinstance(value[k], bytes):
3082
value[k] = value[k].decode("utf-8")
3083
## old_client_settings
3084
# .keys()
3085
old_client_settings = {
3086
(key.decode("utf-8")
3087
if isinstance(key, bytes)
3088
else key): value
3089
for key, value in
3090
bytes_old_client_settings.items() }
3091
del bytes_old_client_settings
3092
# .host
3093
for value in old_client_settings.values():
3094
if isinstance(value["host"], bytes):
3095
value["host"] = (value["host"]
3096
.decode("utf-8"))
2581
clients_data, old_client_settings = (pickle.load
2582
(stored_state))
3097
2583
os.remove(stored_state_path)
3098
2584
except IOError as e:
3099
2585
if e.errno == errno.ENOENT:
3100
logger.warning("Could not load persistent state:"
3101
" {}".format(os.strerror(e.errno)))
2586
logger.warning("Could not load persistent state: {0}"
2587
.format(os.strerror(e.errno)))
3102
2588
else:
3103
2589
logger.critical("Could not load persistent state:",
3104
2590
exc_info=e)
3105
2591
raise
3106
2592
except EOFError as e:
3107
2593
logger.warning("Could not load persistent state: "
3108
"EOFError:",
3109
exc_info=e)
2594
"EOFError:", exc_info=e)
3110
2595
3111
2596
with PGPEngine() as pgp:
3112
for client_name, client in clients_data.items():
2597
for client_name, client in clients_data.iteritems():
3113
2598
# Skip removed clients
3114
2599
if client_name not in client_settings:
3115
2600
continue
3124
2609
# For each value in new config, check if it
3125
2610
# differs from the old config value (Except for
3126
2611
# the "secret" attribute)
3127
if (name != "secret"
3128
and (value !=
3129
old_client_settings[client_name][name])):
2612
if (name != "secret" and
2613
value != old_client_settings[client_name]
2614
[name]):
3130
2615
client[name] = value
3131
2616
except KeyError:
3132
2617
pass
3133
2618
3134
2619
# Clients who has passed its expire date can still be
3135
# enabled if its last checker was successful. A Client
2620
# enabled if its last checker was successful. Clients
3136
2621
# whose checker succeeded before we stored its state is
3137
2622
# assumed to have successfully run all checkers during
3138
2623
# downtime.
3140
2625
if datetime.datetime.utcnow() >= client["expires"]:
3141
2626
if not client["last_checked_ok"]:
3142
2627
logger.warning(
3143
"disabling client {} - Client never "
3144
"performed a successful checker".format(
3145
client_name))
2628
"disabling client {0} - Client never "
2629
"performed a successful checker"
2630
.format(client_name))
3146
2631
client["enabled"] = False
3147
2632
elif client["last_checker_status"] != 0:
3148
2633
logger.warning(
3149
"disabling client {} - Client last"
3150
" checker failed with error code"
3151
" {}".format(
3152
client_name,
3153
client["last_checker_status"]))
2634
"disabling client {0} - Client "
2635
"last checker failed with error code {1}"
2636
.format(client_name,
2637
client["last_checker_status"]))
3154
2638
client["enabled"] = False
3155
2639
else:
3156
client["expires"] = (
3157
datetime.datetime.utcnow()
3158
+ client["timeout"])
2640
client["expires"] = (datetime.datetime
2641
.utcnow()
2642
+ client["timeout"])
3159
2643
logger.debug("Last checker succeeded,"
3160
" keeping {} enabled".format(
3161
client_name))
2644
" keeping {0} enabled"
2645
.format(client_name))
3162
2646
try:
3163
client["secret"] = pgp.decrypt(
3164
client["encrypted_secret"],
3165
client_settings[client_name]["secret"])
2647
client["secret"] = (
2648
pgp.decrypt(client["encrypted_secret"],
2649
client_settings[client_name]
2650
["secret"]))
3166
2651
except PGPError:
3167
2652
# If decryption fails, we use secret from new settings
3168
logger.debug("Failed to decrypt {} old secret".format(
3169
client_name))
3170
client["secret"] = (client_settings[client_name]
3171
["secret"])
2653
logger.debug("Failed to decrypt {0} old secret"
2654
.format(client_name))
2655
client["secret"] = (
2656
client_settings[client_name]["secret"])
3172
2657
3173
2658
# Add/remove clients based on new changes made to config
3174
2659
for client_name in (set(old_client_settings)
3179
2664
clients_data[client_name] = client_settings[client_name]
3180
2665
3181
2666
# Create all client objects
3182
for client_name, client in clients_data.items():
2667
for client_name, client in clients_data.iteritems():
3183
2668
tcp_server.clients[client_name] = client_class(
3184
name = client_name,
3185
settings = client,
2669
name = client_name, settings = client,
3186
2670
server_settings = server_settings)
3187
2671
3188
2672
if not tcp_server.clients:
3190
2674
3191
2675
if not foreground:
3192
2676
if pidfile is not None:
3193
pid = os.getpid()
3194
2677
try:
3195
2678
with pidfile:
3196
print(pid, file=pidfile)
2679
pid = os.getpid()
2680
pidfile.write(str(pid) + "\n".encode("utf-8"))
3197
2681
except IOError:
3198
2682
logger.error("Could not write to file %r with PID %d",
3199
2683
pidfilename, pid)
3204
2688
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
3205
2689
3206
2690
if use_dbus:
3207
3208
@alternate_dbus_interfaces(
3209
{ "se.recompile.Mandos": "se.bsnet.fukt.Mandos" })
3210
class MandosDBusService(DBusObjectWithObjectManager):
2691
@alternate_dbus_interfaces({"se.recompile.Mandos":
2692
"se.bsnet.fukt.Mandos"})
2693
class MandosDBusService(DBusObjectWithProperties):
3211
2694
"""A D-Bus proxy object"""
3212
3213
2695
def __init__(self):
3214
2696
dbus.service.Object.__init__(self, bus, "/")
3215
3216
2697
_interface = "se.recompile.Mandos"
3217
2698
2699
@dbus_interface_annotations(_interface)
2700
def _foo(self):
2701
return { "org.freedesktop.DBus.Property"
2702
".EmitsChangedSignal":
2703
"false"}
2704
3218
2705
@dbus.service.signal(_interface, signature="o")
3219
2706
def ClientAdded(self, objpath):
3220
2707
"D-Bus signal"
3225
2712
"D-Bus signal"
3226
2713
pass
3227
2714
3228
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3229
"true"})
3230
2715
@dbus.service.signal(_interface, signature="os")
3231
2716
def ClientRemoved(self, objpath, name):
3232
2717
"D-Bus signal"
3233
2718
pass
3234
2719
3235
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3236
"true"})
3237
2720
@dbus.service.method(_interface, out_signature="ao")
3238
2721
def GetAllClients(self):
3239
2722
"D-Bus method"
3240
return dbus.Array(c.dbus_object_path for c in
3241
tcp_server.clients.values())
2723
return dbus.Array(c.dbus_object_path
2724
for c in
2725
tcp_server.clients.itervalues())
3242
2726
3243
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3244
"true"})
3245
2727
@dbus.service.method(_interface,
3246
2728
out_signature="a{oa{sv}}")
3247
2729
def GetAllClientsWithProperties(self):
3248
2730
"D-Bus method"
3249
2731
return dbus.Dictionary(
3250
{ c.dbus_object_path: c.GetAll(
3251
"se.recompile.Mandos.Client")
3252
for c in tcp_server.clients.values() },
2732
((c.dbus_object_path, c.GetAll(""))
2733
for c in tcp_server.clients.itervalues()),
3253
2734
signature="oa{sv}")
3254
2735
3255
2736
@dbus.service.method(_interface, in_signature="o")
3256
2737
def RemoveClient(self, object_path):
3257
2738
"D-Bus method"
3258
for c in tcp_server.clients.values():
2739
for c in tcp_server.clients.itervalues():
3259
2740
if c.dbus_object_path == object_path:
3260
2741
del tcp_server.clients[c.name]
3261
2742
c.remove_from_connection()
3262
# Don't signal the disabling
2743
# Don't signal anything except ClientRemoved
3263
2744
c.disable(quiet=True)
3264
# Emit D-Bus signal for removal
3265
self.client_removed_signal(c)
2745
# Emit D-Bus signal
2746
self.ClientRemoved(object_path, c.name)
3266
2747
return
3267
2748
raise KeyError(object_path)
3268
2749
3269
2750
del _interface
3270
3271
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
3272
out_signature = "a{oa{sa{sv}}}")
3273
def GetManagedObjects(self):
3274
"""D-Bus method"""
3275
return dbus.Dictionary(
3276
{ client.dbus_object_path:
3277
dbus.Dictionary(
3278
{ interface: client.GetAll(interface)
3279
for interface in
3280
client._get_all_interface_names()})
3281
for client in tcp_server.clients.values()})
3282
3283
def client_added_signal(self, client):
3284
"""Send the new standard signal and the old signal"""
3285
if use_dbus:
3286
# New standard signal
3287
self.InterfacesAdded(
3288
client.dbus_object_path,
3289
dbus.Dictionary(
3290
{ interface: client.GetAll(interface)
3291
for interface in
3292
client._get_all_interface_names()}))
3293
# Old signal
3294
self.ClientAdded(client.dbus_object_path)
3295
3296
def client_removed_signal(self, client):
3297
"""Send the new standard signal and the old signal"""
3298
if use_dbus:
3299
# New standard signal
3300
self.InterfacesRemoved(
3301
client.dbus_object_path,
3302
client._get_all_interface_names())
3303
# Old signal
3304
self.ClientRemoved(client.dbus_object_path,
3305
client.name)
3306
2751
3307
2752
mandos_dbus_service = MandosDBusService()
3308
2753
3321
2766
# removed/edited, old secret will thus be unrecovable.
3322
2767
clients = {}
3323
2768
with PGPEngine() as pgp:
3324
for client in tcp_server.clients.values():
2769
for client in tcp_server.clients.itervalues():
3325
2770
key = client_settings[client.name]["secret"]
3326
2771
client.encrypted_secret = pgp.encrypt(client.secret,
3327
2772
key)
3329
2774
3330
2775
# A list of attributes that can not be pickled
3331
2776
# + secret.
3332
exclude = { "bus", "changedstate", "secret",
3333
"checker", "server_settings" }
3334
for name, typ in inspect.getmembers(dbus.service
3335
.Object):
2777
exclude = set(("bus", "changedstate", "secret",
2778
"checker", "server_settings"))
2779
for name, typ in (inspect.getmembers
2780
(dbus.service.Object)):
3336
2781
exclude.add(name)
3337
2782
3338
2783
client_dict["encrypted_secret"] = (client
3345
2790
del client_settings[client.name]["secret"]
3346
2791
3347
2792
try:
3348
with tempfile.NamedTemporaryFile(
3349
mode='wb',
3350
suffix=".pickle",
3351
prefix='clients-',
3352
dir=os.path.dirname(stored_state_path),
3353
delete=False) as stored_state:
3354
pickle.dump((clients, client_settings), stored_state,
3355
protocol = 2)
3356
tempname = stored_state.name
2793
with (tempfile.NamedTemporaryFile
2794
(mode='wb', suffix=".pickle", prefix='clients-',
2795
dir=os.path.dirname(stored_state_path),
2796
delete=False)) as stored_state:
2797
pickle.dump((clients, client_settings), stored_state)
2798
tempname=stored_state.name
3357
2799
os.rename(tempname, stored_state_path)
3358
2800
except (IOError, OSError) as e:
3359
2801
if not debug:
3362
2804
except NameError:
3363
2805
pass
3364
2806
if e.errno in (errno.ENOENT, errno.EACCES, errno.EEXIST):
3365
logger.warning("Could not save persistent state: {}"
2807
logger.warning("Could not save persistent state: {0}"
3366
2808
.format(os.strerror(e.errno)))
3367
2809
else:
3368
2810
logger.warning("Could not save persistent state:",
3374
2816
name, client = tcp_server.clients.popitem()
3375
2817
if use_dbus:
3376
2818
client.remove_from_connection()
3377
# Don't signal the disabling
2819
# Don't signal anything except ClientRemoved
3378
2820
client.disable(quiet=True)
3379
# Emit D-Bus signal for removal
3380
2821
if use_dbus:
3381
mandos_dbus_service.client_removed_signal(client)
2822
# Emit D-Bus signal
2823
mandos_dbus_service.ClientRemoved(client
2824
.dbus_object_path,
2825
client.name)
3382
2826
client_settings.clear()
3383
2827
3384
2828
atexit.register(cleanup)
3385
2829
3386
for client in tcp_server.clients.values():
2830
for client in tcp_server.clients.itervalues():
3387
2831
if use_dbus:
3388
# Emit D-Bus signal for adding
3389
mandos_dbus_service.client_added_signal(client)
2832
# Emit D-Bus signal
2833
mandos_dbus_service.ClientAdded(client.dbus_object_path)
3390
2834
# Need to initiate checking of clients
3391
2835
if client.enabled:
3392
2836
client.init_checker()
3418
2862
sys.exit(1)
3419
2863
# End of Avahi example code
3420
2864
3421
GLib.io_add_watch(tcp_server.fileno(), GLib.IO_IN,
3422
lambda *args, **kwargs:
3423
(tcp_server.handle_request
3424
(*args[2:], **kwargs) or True))
2865
gobject.io_add_watch(tcp_server.fileno(), gobject.IO_IN,
2866
lambda *args, **kwargs:
2867
(tcp_server.handle_request
2868
(*args[2:], **kwargs) or True))
3425
2869
3426
2870
logger.debug("Starting main loop")
3427
2871
main_loop.run()
3437
2881
# Must run before the D-Bus bus name gets deregistered
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cleanup()
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if __name__ == '__main__':
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main()
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0