To get this branch, use:
bzr branch
http://bzr.recompile.se/loggerhead/mandos/release
« back to all changes in this revision
Viewing changes to mandos
- browse files at revision 307
- compare with another revision
- download diff
- download tarball
- view history from revision 307
- Committer: Teddy Hogeborn
- Date: 2014-01-21 20:43:52 UTC
- mfrom: (237.7.200 trunk)
- Revision ID: teddy@recompile.se-20140121204352-s0sd0d4mp86ivvog
Merge from trunk.
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 = "1.7.6"
91
version = "1.6.2"
101
92
stored_state_file = "clients.pickle"
102
93
103
94
logger = logging.getLogger()
104
syslogger = None
95
syslogger = (logging.handlers.SysLogHandler
96
(facility = logging.handlers.SysLogHandler.LOG_DAEMON,
97
address = str("/dev/log")))
105
98
106
99
try:
107
if_nametoindex = ctypes.cdll.LoadLibrary(
108
ctypes.util.find_library("c")).if_nametoindex
100
if_nametoindex = (ctypes.cdll.LoadLibrary
101
(ctypes.util.find_library("c"))
102
.if_nametoindex)
109
103
except (OSError, AttributeError):
110
111
104
def if_nametoindex(interface):
112
105
"Get an interface index the hard way, i.e. using fcntl()"
113
106
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
114
107
with contextlib.closing(socket.socket()) as s:
115
108
ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
116
struct.pack(b"16s16x", interface))
117
interface_index = struct.unpack("I", ifreq[16:20])[0]
109
struct.pack(str("16s16x"),
110
interface))
111
interface_index = struct.unpack(str("I"),
112
ifreq[16:20])[0]
118
113
return interface_index
119
114
120
115
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
116
def initlogger(debug, level=logging.WARNING):
138
117
"""init logger and add loglevel"""
139
118
140
global syslogger
141
syslogger = (logging.handlers.SysLogHandler(
142
facility = logging.handlers.SysLogHandler.LOG_DAEMON,
143
address = "/dev/log"))
144
119
syslogger.setFormatter(logging.Formatter
145
120
('Mandos [%(process)d]: %(levelname)s:'
146
121
' %(message)s'))
163
138
164
139
class PGPEngine(object):
165
140
"""A simple class for OpenPGP symmetric encryption & decryption"""
166
167
141
def __init__(self):
168
142
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
143
self.gnupgargs = ['--batch',
181
'--homedir', self.tempdir,
144
'--home', self.tempdir,
182
145
'--force-mdc',
183
146
'--quiet',
184
147
'--no-use-agent']
219
182
220
183
def encrypt(self, data, password):
221
184
passphrase = self.password_encode(password)
222
with tempfile.NamedTemporaryFile(
223
dir=self.tempdir) as passfile:
185
with tempfile.NamedTemporaryFile(dir=self.tempdir
186
) as passfile:
224
187
passfile.write(passphrase)
225
188
passfile.flush()
226
proc = subprocess.Popen([self.gpg, '--symmetric',
189
proc = subprocess.Popen(['gpg', '--symmetric',
227
190
'--passphrase-file',
228
191
passfile.name]
229
192
+ self.gnupgargs,
237
200
238
201
def decrypt(self, data, password):
239
202
passphrase = self.password_encode(password)
240
with tempfile.NamedTemporaryFile(
241
dir = self.tempdir) as passfile:
203
with tempfile.NamedTemporaryFile(dir = self.tempdir
204
) as passfile:
242
205
passfile.write(passphrase)
243
206
passfile.flush()
244
proc = subprocess.Popen([self.gpg, '--decrypt',
207
proc = subprocess.Popen(['gpg', '--decrypt',
245
208
'--passphrase-file',
246
209
passfile.name]
247
210
+ self.gnupgargs,
248
211
stdin = subprocess.PIPE,
249
212
stdout = subprocess.PIPE,
250
213
stderr = subprocess.PIPE)
251
decrypted_plaintext, err = proc.communicate(input = data)
214
decrypted_plaintext, err = proc.communicate(input
215
= data)
252
216
if proc.returncode != 0:
253
217
raise PGPError(err)
254
218
return decrypted_plaintext
255
219
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
220
281
221
class AvahiError(Exception):
282
222
def __init__(self, value, *args, **kwargs):
283
223
self.value = value
284
return super(AvahiError, self).__init__(value, *args,
285
**kwargs)
286
224
super(AvahiError, self).__init__(value, *args, **kwargs)
225
def __unicode__(self):
226
return unicode(repr(self.value))
287
227
288
228
class AvahiServiceError(AvahiError):
289
229
pass
290
230
291
292
231
class AvahiGroupError(AvahiError):
293
232
pass
294
233
314
253
bus: dbus.SystemBus()
315
254
"""
316
255
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):
256
def __init__(self, interface = avahi.IF_UNSPEC, name = None,
257
servicetype = None, port = None, TXT = None,
258
domain = "", host = "", max_renames = 32768,
259
protocol = avahi.PROTO_UNSPEC, bus = None):
328
260
self.interface = interface
329
261
self.name = name
330
262
self.type = servicetype
340
272
self.bus = bus
341
273
self.entry_group_state_changed_match = None
342
274
343
def rename(self, remove=True):
275
def rename(self):
344
276
"""Derived from the Avahi example code"""
345
277
if self.rename_count >= self.max_renames:
346
278
logger.critical("No suitable Zeroconf service name found"
347
279
" after %i retries, exiting.",
348
280
self.rename_count)
349
281
raise AvahiServiceError("Too many renames")
350
self.name = str(
351
self.server.GetAlternativeServiceName(self.name))
352
self.rename_count += 1
282
self.name = unicode(self.server
283
.GetAlternativeServiceName(self.name))
353
284
logger.info("Changing Zeroconf service name to %r ...",
354
285
self.name)
355
if remove:
356
self.remove()
286
self.remove()
357
287
try:
358
288
self.add()
359
289
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)
290
logger.critical("D-Bus Exception", exc_info=error)
291
self.cleanup()
292
os._exit(1)
293
self.rename_count += 1
368
294
369
295
def remove(self):
370
296
"""Derived from the Avahi example code"""
408
334
self.rename()
409
335
elif state == avahi.ENTRY_GROUP_FAILURE:
410
336
logger.critical("Avahi: Error in group state changed %s",
411
str(error))
412
raise AvahiGroupError("State changed: {!s}".format(error))
337
unicode(error))
338
raise AvahiGroupError("State changed: {0!s}"
339
.format(error))
413
340
414
341
def cleanup(self):
415
342
"""Derived from the Avahi example code"""
425
352
def server_state_changed(self, state, error=None):
426
353
"""Derived from the Avahi example code"""
427
354
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
}
355
bad_states = { avahi.SERVER_INVALID:
356
"Zeroconf server invalid",
357
avahi.SERVER_REGISTERING: None,
358
avahi.SERVER_COLLISION:
359
"Zeroconf server name collision",
360
avahi.SERVER_FAILURE:
361
"Zeroconf server failure" }
434
362
if state in bad_states:
435
363
if bad_states[state] is not None:
436
364
if error is None:
439
367
logger.error(bad_states[state] + ": %r", error)
440
368
self.cleanup()
441
369
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)
370
self.add()
454
371
else:
455
372
if error is None:
456
373
logger.debug("Unknown state: %r", state)
466
383
follow_name_owner_changes=True),
467
384
avahi.DBUS_INTERFACE_SERVER)
468
385
self.server.connect_to_signal("StateChanged",
469
self.server_state_changed)
386
self.server_state_changed)
470
387
self.server_state_changed(self.server.GetState())
471
388
472
389
473
390
class AvahiServiceToSyslog(AvahiService):
474
def rename(self, *args, **kwargs):
391
def rename(self):
475
392
"""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)))
393
ret = AvahiService.rename(self)
394
syslogger.setFormatter(logging.Formatter
395
('Mandos ({0}) [%(process)d]:'
396
' %(levelname)s: %(message)s'
397
.format(self.name)))
480
398
return ret
481
399
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()
400
401
def timedelta_to_milliseconds(td):
402
"Convert a datetime.timedelta() to milliseconds"
403
return ((td.days * 24 * 60 * 60 * 1000)
404
+ (td.seconds * 1000)
405
+ (td.microseconds // 1000))
406
746
407
747
408
class Client(object):
748
409
"""A representation of a client host served by this server.
754
415
checker: subprocess.Popen(); a running checker process used
755
416
to see if the client lives.
756
417
'None' if no process is running.
757
checker_callback_tag: a GLib event source tag, or None
418
checker_callback_tag: a gobject event source tag, or None
758
419
checker_command: string; External command which is run to check
759
420
if client lives. %() expansions are done at
760
421
runtime with vars(self) as dict, so that for
761
422
instance %(name)s can be used in the command.
762
checker_initiator_tag: a GLib event source tag, or None
423
checker_initiator_tag: a gobject event source tag, or None
763
424
created: datetime.datetime(); (UTC) object creation
764
425
client_structure: Object describing what attributes a client has
765
426
and is used for storing the client at exit
766
427
current_checker_command: string; current running checker_command
767
disable_initiator_tag: a GLib event source tag, or None
428
disable_initiator_tag: a gobject event source tag, or None
768
429
enabled: bool()
769
430
fingerprint: string (40 or 32 hexadecimal digits); used to
770
431
uniquely identify the client
775
436
last_checker_status: integer between 0 and 255 reflecting exit
776
437
status of last checker. -1 reflects crashed
777
438
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
439
last_enabled: datetime.datetime(); (UTC) or None
781
440
name: string; from the config file, used in log messages and
782
441
D-Bus identifiers
795
454
"fingerprint", "host", "interval",
796
455
"last_approval_request", "last_checked_ok",
797
456
"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
}
457
client_defaults = { "timeout": "PT5M",
458
"extended_timeout": "PT15M",
459
"interval": "PT2M",
460
"checker": "fping -q -- %%(host)s",
461
"host": "",
462
"approval_delay": "PT0S",
463
"approval_duration": "PT1S",
464
"approved_by_default": "True",
465
"enabled": "True",
466
}
467
468
def timeout_milliseconds(self):
469
"Return the 'timeout' attribute in milliseconds"
470
return timedelta_to_milliseconds(self.timeout)
471
472
def extended_timeout_milliseconds(self):
473
"Return the 'extended_timeout' attribute in milliseconds"
474
return timedelta_to_milliseconds(self.extended_timeout)
475
476
def interval_milliseconds(self):
477
"Return the 'interval' attribute in milliseconds"
478
return timedelta_to_milliseconds(self.interval)
479
480
def approval_delay_milliseconds(self):
481
return timedelta_to_milliseconds(self.approval_delay)
809
482
810
483
@staticmethod
811
484
def config_parser(config):
827
500
client["enabled"] = config.getboolean(client_name,
828
501
"enabled")
829
502
830
# Uppercase and remove spaces from fingerprint for later
831
# comparison purposes with return value from the
832
# fingerprint() function
833
503
client["fingerprint"] = (section["fingerprint"].upper()
834
504
.replace(" ", ""))
835
505
if "secret" in section:
836
client["secret"] = codecs.decode(section["secret"]
837
.encode("utf-8"),
838
"base64")
506
client["secret"] = section["secret"].decode("base64")
839
507
elif "secfile" in section:
840
508
with open(os.path.expanduser(os.path.expandvars
841
509
(section["secfile"])),
842
510
"rb") as secfile:
843
511
client["secret"] = secfile.read()
844
512
else:
845
raise TypeError("No secret or secfile for section {}"
513
raise TypeError("No secret or secfile for section {0}"
846
514
.format(section))
847
515
client["timeout"] = string_to_delta(section["timeout"])
848
516
client["extended_timeout"] = string_to_delta(
865
533
server_settings = {}
866
534
self.server_settings = server_settings
867
535
# adding all client settings
868
for setting, value in settings.items():
536
for setting, value in settings.iteritems():
869
537
setattr(self, setting, value)
870
538
871
539
if self.enabled:
879
547
self.expires = None
880
548
881
549
logger.debug("Creating client %r", self.name)
550
# Uppercase and remove spaces from fingerprint for later
551
# comparison purposes with return value from the fingerprint()
552
# function
882
553
logger.debug(" Fingerprint: %s", self.fingerprint)
883
554
self.created = settings.get("created",
884
555
datetime.datetime.utcnow())
891
562
self.current_checker_command = None
892
563
self.approved = None
893
564
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()
565
self.changedstate = (multiprocessing_manager
566
.Condition(multiprocessing_manager
567
.Lock()))
568
self.client_structure = [attr for attr in
569
self.__dict__.iterkeys()
898
570
if not attr.startswith("_")]
899
571
self.client_structure.append("client_structure")
900
572
901
for name, t in inspect.getmembers(
902
type(self), lambda obj: isinstance(obj, property)):
573
for name, t in inspect.getmembers(type(self),
574
lambda obj:
575
isinstance(obj,
576
property)):
903
577
if not name.startswith("_"):
904
578
self.client_structure.append(name)
905
579
926
600
if not quiet:
927
601
logger.info("Disabling client %s", self.name)
928
602
if getattr(self, "disable_initiator_tag", None) is not None:
929
GLib.source_remove(self.disable_initiator_tag)
603
gobject.source_remove(self.disable_initiator_tag)
930
604
self.disable_initiator_tag = None
931
605
self.expires = None
932
606
if getattr(self, "checker_initiator_tag", None) is not None:
933
GLib.source_remove(self.checker_initiator_tag)
607
gobject.source_remove(self.checker_initiator_tag)
934
608
self.checker_initiator_tag = None
935
609
self.stop_checker()
936
610
self.enabled = False
937
611
if not quiet:
938
612
self.send_changedstate()
939
# Do not run this again if called by a GLib.timeout_add
613
# Do not run this again if called by a gobject.timeout_add
940
614
return False
941
615
942
616
def __del__(self):
946
620
# Schedule a new checker to be started an 'interval' from now,
947
621
# and every interval from then on.
948
622
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)
623
gobject.source_remove(self.checker_initiator_tag)
624
self.checker_initiator_tag = (gobject.timeout_add
625
(self.interval_milliseconds(),
626
self.start_checker))
953
627
# Schedule a disable() when 'timeout' has passed
954
628
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)
629
gobject.source_remove(self.disable_initiator_tag)
630
self.disable_initiator_tag = (gobject.timeout_add
631
(self.timeout_milliseconds(),
632
self.disable))
958
633
# Also start a new checker *right now*.
959
634
self.start_checker()
960
635
961
def checker_callback(self, source, condition, connection,
962
command):
636
def checker_callback(self, pid, condition, command):
963
637
"""The checker has completed, so take appropriate actions."""
964
638
self.checker_callback_tag = None
965
639
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
640
if os.WIFEXITED(condition):
641
self.last_checker_status = os.WEXITSTATUS(condition)
973
642
if self.last_checker_status == 0:
974
643
logger.info("Checker for %(name)s succeeded",
975
644
vars(self))
976
645
self.checked_ok()
977
646
else:
978
logger.info("Checker for %(name)s failed", vars(self))
647
logger.info("Checker for %(name)s failed",
648
vars(self))
979
649
else:
980
650
self.last_checker_status = -1
981
self.last_checker_signal = -returncode
982
651
logger.warning("Checker for %(name)s crashed?",
983
652
vars(self))
984
return False
985
653
986
654
def checked_ok(self):
987
655
"""Assert that the client has been seen, alive and well."""
988
656
self.last_checked_ok = datetime.datetime.utcnow()
989
657
self.last_checker_status = 0
990
self.last_checker_signal = None
991
658
self.bump_timeout()
992
659
993
660
def bump_timeout(self, timeout=None):
995
662
if timeout is None:
996
663
timeout = self.timeout
997
664
if self.disable_initiator_tag is not None:
998
GLib.source_remove(self.disable_initiator_tag)
665
gobject.source_remove(self.disable_initiator_tag)
999
666
self.disable_initiator_tag = None
1000
667
if getattr(self, "enabled", False):
1001
self.disable_initiator_tag = GLib.timeout_add(
1002
int(timeout.total_seconds() * 1000), self.disable)
668
self.disable_initiator_tag = (gobject.timeout_add
669
(timedelta_to_milliseconds
670
(timeout), self.disable))
1003
671
self.expires = datetime.datetime.utcnow() + timeout
1004
672
1005
673
def need_approval(self):
1019
687
# than 'timeout' for the client to be disabled, which is as it
1020
688
# should be.
1021
689
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
690
# If a checker exists, make sure it is not a zombie
691
try:
692
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
693
except AttributeError:
694
pass
695
except OSError as error:
696
if error.errno != errno.ECHILD:
697
raise
698
else:
699
if pid:
700
logger.warning("Checker was a zombie")
701
gobject.source_remove(self.checker_callback_tag)
702
self.checker_callback(pid, status,
703
self.current_checker_command)
1026
704
# Start a new checker if needed
1027
705
if self.checker is None:
1028
706
# Escape attributes for the shell
1029
escaped_attrs = {
1030
attr: re.escape(str(getattr(self, attr)))
1031
for attr in self.runtime_expansions }
707
escaped_attrs = dict(
708
(attr, re.escape(unicode(getattr(self, attr))))
709
for attr in
710
self.runtime_expansions)
1032
711
try:
1033
712
command = self.checker_command % escaped_attrs
1034
713
except TypeError as error:
1035
714
logger.error('Could not format string "%s"',
1036
self.checker_command,
715
self.checker_command, exc_info=error)
716
return True # Try again later
717
self.current_checker_command = command
718
try:
719
logger.info("Starting checker %r for %s",
720
command, self.name)
721
# We don't need to redirect stdout and stderr, since
722
# in normal mode, that is already done by daemon(),
723
# and in debug mode we don't want to. (Stdin is
724
# always replaced by /dev/null.)
725
# The exception is when not debugging but nevertheless
726
# running in the foreground; use the previously
727
# created wnull.
728
popen_args = {}
729
if (not self.server_settings["debug"]
730
and self.server_settings["foreground"]):
731
popen_args.update({"stdout": wnull,
732
"stderr": wnull })
733
self.checker = subprocess.Popen(command,
734
close_fds=True,
735
shell=True, cwd="/",
736
**popen_args)
737
except OSError as error:
738
logger.error("Failed to start subprocess",
1037
739
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
740
return True
741
self.checker_callback_tag = (gobject.child_watch_add
742
(self.checker.pid,
743
self.checker_callback,
744
data=command))
745
# The checker may have completed before the gobject
746
# watch was added. Check for this.
747
try:
748
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
749
except OSError as error:
750
if error.errno == errno.ECHILD:
751
# This should never happen
752
logger.error("Child process vanished",
753
exc_info=error)
754
return True
755
raise
756
if pid:
757
gobject.source_remove(self.checker_callback_tag)
758
self.checker_callback(pid, status, command)
759
# Re-run this periodically if run by gobject.timeout_add
1066
760
return True
1067
761
1068
762
def stop_checker(self):
1069
763
"""Force the checker process, if any, to stop."""
1070
764
if self.checker_callback_tag:
1071
GLib.source_remove(self.checker_callback_tag)
765
gobject.source_remove(self.checker_callback_tag)
1072
766
self.checker_callback_tag = None
1073
767
if getattr(self, "checker", None) is None:
1074
768
return
1075
769
logger.debug("Stopping checker for %(name)s", vars(self))
1076
self.checker.terminate()
770
try:
771
self.checker.terminate()
772
#time.sleep(0.5)
773
#if self.checker.poll() is None:
774
# self.checker.kill()
775
except OSError as error:
776
if error.errno != errno.ESRCH: # No such process
777
raise
1077
778
self.checker = None
1078
779
1079
780
1080
def dbus_service_property(dbus_interface,
1081
signature="v",
1082
access="readwrite",
1083
byte_arrays=False):
781
def dbus_service_property(dbus_interface, signature="v",
782
access="readwrite", byte_arrays=False):
1084
783
"""Decorators for marking methods of a DBusObjectWithProperties to
1085
784
become properties on the D-Bus.
1086
785
1095
794
# "Set" method, so we fail early here:
1096
795
if byte_arrays and signature != "ay":
1097
796
raise ValueError("Byte arrays not supported for non-'ay'"
1098
" signature {!r}".format(signature))
1099
797
" signature {0!r}".format(signature))
1100
798
def decorator(func):
1101
799
func._dbus_is_property = True
1102
800
func._dbus_interface = dbus_interface
1107
805
func._dbus_name = func._dbus_name[:-14]
1108
806
func._dbus_get_args_options = {'byte_arrays': byte_arrays }
1109
807
return func
1110
1111
808
return decorator
1112
809
1113
810
1122
819
"org.freedesktop.DBus.Property.EmitsChangedSignal":
1123
820
"false"}
1124
821
"""
1125
1126
822
def decorator(func):
1127
823
func._dbus_is_interface = True
1128
824
func._dbus_interface = dbus_interface
1129
825
func._dbus_name = dbus_interface
1130
826
return func
1131
1132
827
return decorator
1133
828
1134
829
1136
831
"""Decorator to annotate D-Bus methods, signals or properties
1137
832
Usage:
1138
833
1139
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true",
1140
"org.freedesktop.DBus.Property."
1141
"EmitsChangedSignal": "false"})
1142
834
@dbus_service_property("org.example.Interface", signature="b",
1143
835
access="r")
836
@dbus_annotations({{"org.freedesktop.DBus.Deprecated": "true",
837
"org.freedesktop.DBus.Property."
838
"EmitsChangedSignal": "false"})
1144
839
def Property_dbus_property(self):
1145
840
return dbus.Boolean(False)
1146
1147
See also the DBusObjectWithAnnotations class.
1148
841
"""
1149
1150
842
def decorator(func):
1151
843
func._dbus_annotations = annotations
1152
844
return func
1153
1154
845
return decorator
1155
846
1156
847
1157
848
class DBusPropertyException(dbus.exceptions.DBusException):
1158
849
"""A base class for D-Bus property-related exceptions
1159
850
"""
1160
pass
851
def __unicode__(self):
852
return unicode(str(self))
1161
853
1162
854
1163
855
class DBusPropertyAccessException(DBusPropertyException):
1172
864
pass
1173
865
1174
866
1175
class DBusObjectWithAnnotations(dbus.service.Object):
1176
"""A D-Bus object with annotations.
867
class DBusObjectWithProperties(dbus.service.Object):
868
"""A D-Bus object with properties.
1177
869
1178
Classes inheriting from this can use the dbus_annotations
1179
decorator to add annotations to methods or signals.
870
Classes inheriting from this can use the dbus_service_property
871
decorator to expose methods as D-Bus properties. It exposes the
872
standard Get(), Set(), and GetAll() methods on the D-Bus.
1180
873
"""
1181
874
1182
875
@staticmethod
1186
879
If called like _is_dbus_thing("method") it returns a function
1187
880
suitable for use as predicate to inspect.getmembers().
1188
881
"""
1189
return lambda obj: getattr(obj, "_dbus_is_{}".format(thing),
882
return lambda obj: getattr(obj, "_dbus_is_{0}".format(thing),
1190
883
False)
1191
884
1192
885
def _get_all_dbus_things(self, thing):
1193
886
"""Returns a generator of (name, attribute) pairs
1194
887
"""
1195
return ((getattr(athing.__get__(self), "_dbus_name", name),
888
return ((getattr(athing.__get__(self), "_dbus_name",
889
name),
1196
890
athing.__get__(self))
1197
891
for cls in self.__class__.__mro__
1198
892
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
"""
893
inspect.getmembers(cls,
894
self._is_dbus_thing(thing)))
1271
895
1272
896
def _get_dbus_property(self, interface_name, property_name):
1273
897
"""Returns a bound method if one exists which is a D-Bus
1274
898
property with the specified name and interface.
1275
899
"""
1276
for cls in self.__class__.__mro__:
1277
for name, value in inspect.getmembers(
1278
cls, self._is_dbus_thing("property")):
900
for cls in self.__class__.__mro__:
901
for name, value in (inspect.getmembers
902
(cls,
903
self._is_dbus_thing("property"))):
1279
904
if (value._dbus_name == property_name
1280
905
and value._dbus_interface == interface_name):
1281
906
return value.__get__(self)
1282
907
1283
908
# 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",
909
raise DBusPropertyNotFound(self.dbus_object_path + ":"
910
+ interface_name + "."
911
+ property_name)
912
913
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ss",
1298
914
out_signature="v")
1299
915
def Get(self, interface_name, property_name):
1300
916
"""Standard D-Bus property Get() method, see D-Bus standard.
1319
935
# signatures other than "ay".
1320
936
if prop._dbus_signature != "ay":
1321
937
raise ValueError("Byte arrays not supported for non-"
1322
"'ay' signature {!r}"
938
"'ay' signature {0!r}"
1323
939
.format(prop._dbus_signature))
1324
940
value = dbus.ByteArray(b''.join(chr(byte)
1325
941
for byte in value))
1326
942
prop(value)
1327
943
1328
@dbus.service.method(dbus.PROPERTIES_IFACE,
1329
in_signature="s",
944
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="s",
1330
945
out_signature="a{sv}")
1331
946
def GetAll(self, interface_name):
1332
947
"""Standard D-Bus property GetAll() method, see D-Bus
1347
962
if not hasattr(value, "variant_level"):
1348
963
properties[name] = value
1349
964
continue
1350
properties[name] = type(value)(
1351
value, variant_level = value.variant_level + 1)
965
properties[name] = type(value)(value, variant_level=
966
value.variant_level+1)
1352
967
return dbus.Dictionary(properties, signature="sv")
1353
968
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
969
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1363
970
out_signature="s",
1364
971
path_keyword='object_path',
1368
975
1369
976
Inserts property tags and interface annotation tags.
1370
977
"""
1371
xmlstring = DBusObjectWithAnnotations.Introspect(self,
1372
object_path,
1373
connection)
978
xmlstring = dbus.service.Object.Introspect(self, object_path,
979
connection)
1374
980
try:
1375
981
document = xml.dom.minidom.parseString(xmlstring)
1376
1377
982
def make_tag(document, name, prop):
1378
983
e = document.createElement("property")
1379
984
e.setAttribute("name", name)
1380
985
e.setAttribute("type", prop._dbus_signature)
1381
986
e.setAttribute("access", prop._dbus_access)
1382
987
return e
1383
1384
988
for if_tag in document.getElementsByTagName("interface"):
1385
989
# Add property tags
1386
990
for tag in (make_tag(document, name, prop)
1389
993
if prop._dbus_interface
1390
994
== if_tag.getAttribute("name")):
1391
995
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)
996
# Add annotation tags
997
for typ in ("method", "signal", "property"):
998
for tag in if_tag.getElementsByTagName(typ):
999
annots = dict()
1000
for name, prop in (self.
1001
_get_all_dbus_things(typ)):
1002
if (name == tag.getAttribute("name")
1003
and prop._dbus_interface
1004
== if_tag.getAttribute("name")):
1005
annots.update(getattr
1006
(prop,
1007
"_dbus_annotations",
1008
{}))
1009
for name, value in annots.iteritems():
1010
ann_tag = document.createElement(
1011
"annotation")
1012
ann_tag.setAttribute("name", name)
1013
ann_tag.setAttribute("value", value)
1014
tag.appendChild(ann_tag)
1015
# Add interface annotation tags
1016
for annotation, value in dict(
1017
itertools.chain.from_iterable(
1018
annotations().iteritems()
1019
for name, annotations in
1020
self._get_all_dbus_things("interface")
1021
if name == if_tag.getAttribute("name")
1022
)).iteritems():
1023
ann_tag = document.createElement("annotation")
1024
ann_tag.setAttribute("name", annotation)
1025
ann_tag.setAttribute("value", value)
1026
if_tag.appendChild(ann_tag)
1408
1027
# Add the names to the return values for the
1409
1028
# "org.freedesktop.DBus.Properties" methods
1410
1029
if (if_tag.getAttribute("name")
1428
1047
exc_info=error)
1429
1048
return xmlstring
1430
1049
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
1050
1500
1051
def datetime_to_dbus(dt, variant_level=0):
1501
1052
"""Convert a UTC datetime.datetime() to a D-Bus type."""
1502
1053
if dt is None:
1503
1054
return dbus.String("", variant_level = variant_level)
1504
return dbus.String(dt.isoformat(), variant_level=variant_level)
1055
return dbus.String(dt.isoformat(),
1056
variant_level=variant_level)
1505
1057
1506
1058
1507
1059
def alternate_dbus_interfaces(alt_interface_names, deprecate=True):
1527
1079
(from DBusObjectWithProperties) and interfaces (from the
1528
1080
dbus_interface_annotations decorator).
1529
1081
"""
1530
1531
1082
def wrapper(cls):
1532
1083
for orig_interface_name, alt_interface_name in (
1533
alt_interface_names.items()):
1084
alt_interface_names.iteritems()):
1534
1085
attr = {}
1535
1086
interface_names = set()
1536
1087
# Go though all attributes of the class
1538
1089
# Ignore non-D-Bus attributes, and D-Bus attributes
1539
1090
# with the wrong interface name
1540
1091
if (not hasattr(attribute, "_dbus_interface")
1541
or not attribute._dbus_interface.startswith(
1542
orig_interface_name)):
1092
or not attribute._dbus_interface
1093
.startswith(orig_interface_name)):
1543
1094
continue
1544
1095
# Create an alternate D-Bus interface name based on
1545
1096
# the current name
1546
alt_interface = attribute._dbus_interface.replace(
1547
orig_interface_name, alt_interface_name)
1097
alt_interface = (attribute._dbus_interface
1098
.replace(orig_interface_name,
1099
alt_interface_name))
1548
1100
interface_names.add(alt_interface)
1549
1101
# Is this a D-Bus signal?
1550
1102
if getattr(attribute, "_dbus_is_signal", False):
1551
1103
# Extract the original non-method undecorated
1552
1104
# function by black magic
1553
if sys.version_info.major == 2:
1554
nonmethod_func = (dict(
1105
nonmethod_func = (dict(
1555
1106
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)
1107
attribute.__closure__))["func"]
1108
.cell_contents)
1563
1109
# Create a new, but exactly alike, function
1564
1110
# object, and decorate it to be a new D-Bus signal
1565
1111
# 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))
1112
new_function = (dbus.service.signal
1113
(alt_interface,
1114
attribute._dbus_signature)
1115
(types.FunctionType(
1116
nonmethod_func.func_code,
1117
nonmethod_func.func_globals,
1118
nonmethod_func.func_name,
1119
nonmethod_func.func_defaults,
1120
nonmethod_func.func_closure)))
1570
1121
# Copy annotations, if any
1571
1122
try:
1572
new_function._dbus_annotations = dict(
1573
attribute._dbus_annotations)
1123
new_function._dbus_annotations = (
1124
dict(attribute._dbus_annotations))
1574
1125
except AttributeError:
1575
1126
pass
1576
1127
# Define a creator of a function to call both the
1581
1132
"""This function is a scope container to pass
1582
1133
func1 and func2 to the "call_both" function
1583
1134
outside of its arguments"""
1584
1585
@functools.wraps(func2)
1586
1135
def call_both(*args, **kwargs):
1587
1136
"""This function will emit two D-Bus
1588
1137
signals by calling func1 and func2"""
1589
1138
func1(*args, **kwargs)
1590
1139
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
1140
return call_both
1597
1141
# Create the "call_both" function and add it to
1598
1142
# the class
1603
1147
# object. Decorate it to be a new D-Bus method
1604
1148
# with the alternate D-Bus interface name. Add it
1605
1149
# 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)))
1150
attr[attrname] = (dbus.service.method
1151
(alt_interface,
1152
attribute._dbus_in_signature,
1153
attribute._dbus_out_signature)
1154
(types.FunctionType
1155
(attribute.func_code,
1156
attribute.func_globals,
1157
attribute.func_name,
1158
attribute.func_defaults,
1159
attribute.func_closure)))
1612
1160
# Copy annotations, if any
1613
1161
try:
1614
attr[attrname]._dbus_annotations = dict(
1615
attribute._dbus_annotations)
1162
attr[attrname]._dbus_annotations = (
1163
dict(attribute._dbus_annotations))
1616
1164
except AttributeError:
1617
1165
pass
1618
1166
# Is this a D-Bus property?
1621
1169
# object, and decorate it to be a new D-Bus
1622
1170
# property with the alternate D-Bus interface
1623
1171
# 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)))
1172
attr[attrname] = (dbus_service_property
1173
(alt_interface,
1174
attribute._dbus_signature,
1175
attribute._dbus_access,
1176
attribute
1177
._dbus_get_args_options
1178
["byte_arrays"])
1179
(types.FunctionType
1180
(attribute.func_code,
1181
attribute.func_globals,
1182
attribute.func_name,
1183
attribute.func_defaults,
1184
attribute.func_closure)))
1630
1185
# Copy annotations, if any
1631
1186
try:
1632
attr[attrname]._dbus_annotations = dict(
1633
attribute._dbus_annotations)
1187
attr[attrname]._dbus_annotations = (
1188
dict(attribute._dbus_annotations))
1634
1189
except AttributeError:
1635
1190
pass
1636
1191
# Is this a D-Bus interface?
1639
1194
# object. Decorate it to be a new D-Bus interface
1640
1195
# with the alternate D-Bus interface name. Add it
1641
1196
# to the class.
1642
attr[attrname] = (
1643
dbus_interface_annotations(alt_interface)
1644
(copy_function(attribute)))
1197
attr[attrname] = (dbus_interface_annotations
1198
(alt_interface)
1199
(types.FunctionType
1200
(attribute.func_code,
1201
attribute.func_globals,
1202
attribute.func_name,
1203
attribute.func_defaults,
1204
attribute.func_closure)))
1645
1205
if deprecate:
1646
1206
# Deprecate all alternate interfaces
1647
iname="_AlternateDBusNames_interface_annotation{}"
1207
iname="_AlternateDBusNames_interface_annotation{0}"
1648
1208
for interface_name in interface_names:
1649
1650
1209
@dbus_interface_annotations(interface_name)
1651
1210
def func(self):
1652
1211
return { "org.freedesktop.DBus.Deprecated":
1653
"true" }
1212
"true" }
1654
1213
# Find an unused name
1655
1214
for aname in (iname.format(i)
1656
1215
for i in itertools.count()):
1660
1219
if interface_names:
1661
1220
# Replace the class with a new subclass of it with
1662
1221
# 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)
1222
cls = type(b"{0}Alternate".format(cls.__name__),
1223
(cls,), attr)
1669
1224
return cls
1670
1671
1225
return wrapper
1672
1226
1673
1227
1674
1228
@alternate_dbus_interfaces({"se.recompile.Mandos":
1675
"se.bsnet.fukt.Mandos"})
1229
"se.bsnet.fukt.Mandos"})
1676
1230
class ClientDBus(Client, DBusObjectWithProperties):
1677
1231
"""A Client class using D-Bus
1678
1232
1682
1236
"""
1683
1237
1684
1238
runtime_expansions = (Client.runtime_expansions
1685
+ ("dbus_object_path", ))
1686
1687
_interface = "se.recompile.Mandos.Client"
1239
+ ("dbus_object_path",))
1688
1240
1689
1241
# dbus.service.Object doesn't use super(), so we can't either.
1690
1242
1693
1245
Client.__init__(self, *args, **kwargs)
1694
1246
# Only now, when this client is initialized, can it show up on
1695
1247
# the D-Bus
1696
client_object_name = str(self.name).translate(
1248
client_object_name = unicode(self.name).translate(
1697
1249
{ord("."): ord("_"),
1698
1250
ord("-"): ord("_")})
1699
self.dbus_object_path = dbus.ObjectPath(
1700
"/clients/" + client_object_name)
1251
self.dbus_object_path = (dbus.ObjectPath
1252
("/clients/" + client_object_name))
1701
1253
DBusObjectWithProperties.__init__(self, self.bus,
1702
1254
self.dbus_object_path)
1703
1255
1704
def notifychangeproperty(transform_func, dbus_name,
1705
type_func=lambda x: x,
1706
variant_level=1,
1707
invalidate_only=False,
1708
_interface=_interface):
1256
def notifychangeproperty(transform_func,
1257
dbus_name, type_func=lambda x: x,
1258
variant_level=1):
1709
1259
""" Modify a variable so that it's a property which announces
1710
1260
its changes to DBus.
1711
1261
1716
1266
to the D-Bus. Default: no transform
1717
1267
variant_level: D-Bus variant level. Default: 1
1718
1268
"""
1719
attrname = "_{}".format(dbus_name)
1720
1269
attrname = "_{0}".format(dbus_name)
1721
1270
def setter(self, value):
1722
1271
if hasattr(self, "dbus_object_path"):
1723
1272
if (not hasattr(self, attrname) or
1724
1273
type_func(getattr(self, attrname, None))
1725
1274
!= 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())
1275
dbus_value = transform_func(type_func(value),
1276
variant_level
1277
=variant_level)
1278
self.PropertyChanged(dbus.String(dbus_name),
1279
dbus_value)
1741
1280
setattr(self, attrname, value)
1742
1281
1743
1282
return property(lambda self: getattr(self, attrname), setter)
1749
1288
enabled = notifychangeproperty(dbus.Boolean, "Enabled")
1750
1289
last_enabled = notifychangeproperty(datetime_to_dbus,
1751
1290
"LastEnabled")
1752
checker = notifychangeproperty(
1753
dbus.Boolean, "CheckerRunning",
1754
type_func = lambda checker: checker is not None)
1291
checker = notifychangeproperty(dbus.Boolean, "CheckerRunning",
1292
type_func = lambda checker:
1293
checker is not None)
1755
1294
last_checked_ok = notifychangeproperty(datetime_to_dbus,
1756
1295
"LastCheckedOK")
1757
1296
last_checker_status = notifychangeproperty(dbus.Int16,
1760
1299
datetime_to_dbus, "LastApprovalRequest")
1761
1300
approved_by_default = notifychangeproperty(dbus.Boolean,
1762
1301
"ApprovedByDefault")
1763
approval_delay = notifychangeproperty(
1764
dbus.UInt64, "ApprovalDelay",
1765
type_func = lambda td: td.total_seconds() * 1000)
1302
approval_delay = notifychangeproperty(dbus.UInt64,
1303
"ApprovalDelay",
1304
type_func =
1305
timedelta_to_milliseconds)
1766
1306
approval_duration = notifychangeproperty(
1767
1307
dbus.UInt64, "ApprovalDuration",
1768
type_func = lambda td: td.total_seconds() * 1000)
1308
type_func = timedelta_to_milliseconds)
1769
1309
host = notifychangeproperty(dbus.String, "Host")
1770
timeout = notifychangeproperty(
1771
dbus.UInt64, "Timeout",
1772
type_func = lambda td: td.total_seconds() * 1000)
1310
timeout = notifychangeproperty(dbus.UInt64, "Timeout",
1311
type_func =
1312
timedelta_to_milliseconds)
1773
1313
extended_timeout = notifychangeproperty(
1774
1314
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)
1315
type_func = timedelta_to_milliseconds)
1316
interval = notifychangeproperty(dbus.UInt64,
1317
"Interval",
1318
type_func =
1319
timedelta_to_milliseconds)
1779
1320
checker_command = notifychangeproperty(dbus.String, "Checker")
1780
secret = notifychangeproperty(dbus.ByteArray, "Secret",
1781
invalidate_only=True)
1782
1321
1783
1322
del notifychangeproperty
1784
1323
1791
1330
DBusObjectWithProperties.__del__(self, *args, **kwargs)
1792
1331
Client.__del__(self, *args, **kwargs)
1793
1332
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:
1333
def checker_callback(self, pid, condition, command,
1334
*args, **kwargs):
1335
self.checker_callback_tag = None
1336
self.checker = None
1337
if os.WIFEXITED(condition):
1338
exitstatus = os.WEXITSTATUS(condition)
1801
1339
# Emit D-Bus signal
1802
1340
self.CheckerCompleted(dbus.Int16(exitstatus),
1803
# This is specific to GNU libC
1804
dbus.Int64(exitstatus << 8),
1341
dbus.Int64(condition),
1805
1342
dbus.String(command))
1806
1343
else:
1807
1344
# Emit D-Bus signal
1808
1345
self.CheckerCompleted(dbus.Int16(-1),
1809
dbus.Int64(
1810
# This is specific to GNU libC
1811
(exitstatus << 8)
1812
| self.last_checker_signal),
1346
dbus.Int64(condition),
1813
1347
dbus.String(command))
1814
return ret
1348
1349
return Client.checker_callback(self, pid, condition, command,
1350
*args, **kwargs)
1815
1351
1816
1352
def start_checker(self, *args, **kwargs):
1817
old_checker_pid = getattr(self.checker, "pid", None)
1353
old_checker = self.checker
1354
if self.checker is not None:
1355
old_checker_pid = self.checker.pid
1356
else:
1357
old_checker_pid = None
1818
1358
r = Client.start_checker(self, *args, **kwargs)
1819
1359
# Only if new checker process was started
1820
1360
if (self.checker is not None
1829
1369
1830
1370
def approve(self, value=True):
1831
1371
self.approved = value
1832
GLib.timeout_add(int(self.approval_duration.total_seconds()
1833
* 1000), self._reset_approved)
1372
gobject.timeout_add(timedelta_to_milliseconds
1373
(self.approval_duration),
1374
self._reset_approved)
1834
1375
self.send_changedstate()
1835
1376
1836
1377
## D-Bus methods, signals & properties
1378
_interface = "se.recompile.Mandos.Client"
1837
1379
1838
1380
## Interfaces
1839
1381
1382
@dbus_interface_annotations(_interface)
1383
def _foo(self):
1384
return { "org.freedesktop.DBus.Property.EmitsChangedSignal":
1385
"false"}
1386
1840
1387
## Signals
1841
1388
1842
1389
# CheckerCompleted - signal
1852
1399
pass
1853
1400
1854
1401
# PropertyChanged - signal
1855
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1856
1402
@dbus.service.signal(_interface, signature="sv")
1857
1403
def PropertyChanged(self, property, value):
1858
1404
"D-Bus signal"
1892
1438
self.checked_ok()
1893
1439
1894
1440
# Enable - method
1895
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1896
1441
@dbus.service.method(_interface)
1897
1442
def Enable(self):
1898
1443
"D-Bus method"
1899
1444
self.enable()
1900
1445
1901
1446
# StartChecker - method
1902
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1903
1447
@dbus.service.method(_interface)
1904
1448
def StartChecker(self):
1905
1449
"D-Bus method"
1906
1450
self.start_checker()
1907
1451
1908
1452
# Disable - method
1909
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1910
1453
@dbus.service.method(_interface)
1911
1454
def Disable(self):
1912
1455
"D-Bus method"
1913
1456
self.disable()
1914
1457
1915
1458
# StopChecker - method
1916
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1917
1459
@dbus.service.method(_interface)
1918
1460
def StopChecker(self):
1919
1461
self.stop_checker()
1926
1468
return dbus.Boolean(bool(self.approvals_pending))
1927
1469
1928
1470
# ApprovedByDefault - property
1929
@dbus_service_property(_interface,
1930
signature="b",
1471
@dbus_service_property(_interface, signature="b",
1931
1472
access="readwrite")
1932
1473
def ApprovedByDefault_dbus_property(self, value=None):
1933
1474
if value is None: # get
1935
1476
self.approved_by_default = bool(value)
1936
1477
1937
1478
# ApprovalDelay - property
1938
@dbus_service_property(_interface,
1939
signature="t",
1479
@dbus_service_property(_interface, signature="t",
1940
1480
access="readwrite")
1941
1481
def ApprovalDelay_dbus_property(self, value=None):
1942
1482
if value is None: # get
1943
return dbus.UInt64(self.approval_delay.total_seconds()
1944
* 1000)
1483
return dbus.UInt64(self.approval_delay_milliseconds())
1945
1484
self.approval_delay = datetime.timedelta(0, 0, 0, value)
1946
1485
1947
1486
# ApprovalDuration - property
1948
@dbus_service_property(_interface,
1949
signature="t",
1487
@dbus_service_property(_interface, signature="t",
1950
1488
access="readwrite")
1951
1489
def ApprovalDuration_dbus_property(self, value=None):
1952
1490
if value is None: # get
1953
return dbus.UInt64(self.approval_duration.total_seconds()
1954
* 1000)
1491
return dbus.UInt64(timedelta_to_milliseconds(
1492
self.approval_duration))
1955
1493
self.approval_duration = datetime.timedelta(0, 0, 0, value)
1956
1494
1957
1495
# Name - property
1958
@dbus_annotations(
1959
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
1960
1496
@dbus_service_property(_interface, signature="s", access="read")
1961
1497
def Name_dbus_property(self):
1962
1498
return dbus.String(self.name)
1963
1499
1964
1500
# Fingerprint - property
1965
@dbus_annotations(
1966
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
1967
1501
@dbus_service_property(_interface, signature="s", access="read")
1968
1502
def Fingerprint_dbus_property(self):
1969
1503
return dbus.String(self.fingerprint)
1970
1504
1971
1505
# Host - property
1972
@dbus_service_property(_interface,
1973
signature="s",
1506
@dbus_service_property(_interface, signature="s",
1974
1507
access="readwrite")
1975
1508
def Host_dbus_property(self, value=None):
1976
1509
if value is None: # get
1977
1510
return dbus.String(self.host)
1978
self.host = str(value)
1511
self.host = unicode(value)
1979
1512
1980
1513
# Created - property
1981
@dbus_annotations(
1982
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
1983
1514
@dbus_service_property(_interface, signature="s", access="read")
1984
1515
def Created_dbus_property(self):
1985
1516
return datetime_to_dbus(self.created)
1990
1521
return datetime_to_dbus(self.last_enabled)
1991
1522
1992
1523
# Enabled - property
1993
@dbus_service_property(_interface,
1994
signature="b",
1524
@dbus_service_property(_interface, signature="b",
1995
1525
access="readwrite")
1996
1526
def Enabled_dbus_property(self, value=None):
1997
1527
if value is None: # get
2002
1532
self.disable()
2003
1533
2004
1534
# LastCheckedOK - property
2005
@dbus_service_property(_interface,
2006
signature="s",
1535
@dbus_service_property(_interface, signature="s",
2007
1536
access="readwrite")
2008
1537
def LastCheckedOK_dbus_property(self, value=None):
2009
1538
if value is not None:
2012
1541
return datetime_to_dbus(self.last_checked_ok)
2013
1542
2014
1543
# LastCheckerStatus - property
2015
@dbus_service_property(_interface, signature="n", access="read")
1544
@dbus_service_property(_interface, signature="n",
1545
access="read")
2016
1546
def LastCheckerStatus_dbus_property(self):
2017
1547
return dbus.Int16(self.last_checker_status)
2018
1548
2027
1557
return datetime_to_dbus(self.last_approval_request)
2028
1558
2029
1559
# Timeout - property
2030
@dbus_service_property(_interface,
2031
signature="t",
1560
@dbus_service_property(_interface, signature="t",
2032
1561
access="readwrite")
2033
1562
def Timeout_dbus_property(self, value=None):
2034
1563
if value is None: # get
2035
return dbus.UInt64(self.timeout.total_seconds() * 1000)
1564
return dbus.UInt64(self.timeout_milliseconds())
2036
1565
old_timeout = self.timeout
2037
1566
self.timeout = datetime.timedelta(0, 0, 0, value)
2038
1567
# Reschedule disabling
2046
1575
if (getattr(self, "disable_initiator_tag", None)
2047
1576
is None):
2048
1577
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)
1578
gobject.source_remove(self.disable_initiator_tag)
1579
self.disable_initiator_tag = (
1580
gobject.timeout_add(
1581
timedelta_to_milliseconds(self.expires - now),
1582
self.disable))
2053
1583
2054
1584
# ExtendedTimeout - property
2055
@dbus_service_property(_interface,
2056
signature="t",
1585
@dbus_service_property(_interface, signature="t",
2057
1586
access="readwrite")
2058
1587
def ExtendedTimeout_dbus_property(self, value=None):
2059
1588
if value is None: # get
2060
return dbus.UInt64(self.extended_timeout.total_seconds()
2061
* 1000)
1589
return dbus.UInt64(self.extended_timeout_milliseconds())
2062
1590
self.extended_timeout = datetime.timedelta(0, 0, 0, value)
2063
1591
2064
1592
# Interval - property
2065
@dbus_service_property(_interface,
2066
signature="t",
1593
@dbus_service_property(_interface, signature="t",
2067
1594
access="readwrite")
2068
1595
def Interval_dbus_property(self, value=None):
2069
1596
if value is None: # get
2070
return dbus.UInt64(self.interval.total_seconds() * 1000)
1597
return dbus.UInt64(self.interval_milliseconds())
2071
1598
self.interval = datetime.timedelta(0, 0, 0, value)
2072
1599
if getattr(self, "checker_initiator_tag", None) is None:
2073
1600
return
2074
1601
if self.enabled:
2075
1602
# 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
1603
gobject.source_remove(self.checker_initiator_tag)
1604
self.checker_initiator_tag = (gobject.timeout_add
1605
(value, self.start_checker))
1606
self.start_checker() # Start one now, too
2080
1607
2081
1608
# Checker - property
2082
@dbus_service_property(_interface,
2083
signature="s",
1609
@dbus_service_property(_interface, signature="s",
2084
1610
access="readwrite")
2085
1611
def Checker_dbus_property(self, value=None):
2086
1612
if value is None: # get
2087
1613
return dbus.String(self.checker_command)
2088
self.checker_command = str(value)
1614
self.checker_command = unicode(value)
2089
1615
2090
1616
# CheckerRunning - property
2091
@dbus_service_property(_interface,
2092
signature="b",
1617
@dbus_service_property(_interface, signature="b",
2093
1618
access="readwrite")
2094
1619
def CheckerRunning_dbus_property(self, value=None):
2095
1620
if value is None: # get
2100
1625
self.stop_checker()
2101
1626
2102
1627
# ObjectPath - property
2103
@dbus_annotations(
2104
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const",
2105
"org.freedesktop.DBus.Deprecated": "true"})
2106
1628
@dbus_service_property(_interface, signature="o", access="read")
2107
1629
def ObjectPath_dbus_property(self):
2108
1630
return self.dbus_object_path # is already a dbus.ObjectPath
2109
1631
2110
1632
# 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)
1633
@dbus_service_property(_interface, signature="ay",
1634
access="write", byte_arrays=True)
2118
1635
def Secret_dbus_property(self, value):
2119
self.secret = bytes(value)
1636
self.secret = str(value)
2120
1637
2121
1638
del _interface
2122
1639
2126
1643
self._pipe = child_pipe
2127
1644
self._pipe.send(('init', fpr, address))
2128
1645
if not self._pipe.recv():
2129
raise KeyError(fpr)
1646
raise KeyError()
2130
1647
2131
1648
def __getattribute__(self, name):
2132
1649
if name == '_pipe':
2136
1653
if data[0] == 'data':
2137
1654
return data[1]
2138
1655
if data[0] == 'function':
2139
2140
1656
def func(*args, **kwargs):
2141
1657
self._pipe.send(('funcall', name, args, kwargs))
2142
1658
return self._pipe.recv()[1]
2143
2144
1659
return func
2145
1660
2146
1661
def __setattr__(self, name, value):
2158
1673
def handle(self):
2159
1674
with contextlib.closing(self.server.child_pipe) as child_pipe:
2160
1675
logger.info("TCP connection from: %s",
2161
str(self.client_address))
1676
unicode(self.client_address))
2162
1677
logger.debug("Pipe FD: %d",
2163
1678
self.server.child_pipe.fileno())
2164
1679
2165
session = gnutls.ClientSession(self.request)
1680
session = (gnutls.connection
1681
.ClientSession(self.request,
1682
gnutls.connection
1683
.X509Credentials()))
1684
1685
# Note: gnutls.connection.X509Credentials is really a
1686
# generic GnuTLS certificate credentials object so long as
1687
# no X.509 keys are added to it. Therefore, we can use it
1688
# here despite using OpenPGP certificates.
2166
1689
2167
1690
#priority = ':'.join(("NONE", "+VERS-TLS1.1",
2168
1691
# "+AES-256-CBC", "+SHA1",
2172
1695
priority = self.server.gnutls_priority
2173
1696
if priority is None:
2174
1697
priority = "NORMAL"
2175
gnutls.priority_set_direct(session._c_object, priority,
2176
None)
1698
(gnutls.library.functions
1699
.gnutls_priority_set_direct(session._c_object,
1700
priority, None))
2177
1701
2178
1702
# Start communication using the Mandos protocol
2179
1703
# Get protocol number
2189
1713
# Start GnuTLS connection
2190
1714
try:
2191
1715
session.handshake()
2192
except gnutls.Error as error:
1716
except gnutls.errors.GNUTLSError as error:
2193
1717
logger.warning("Handshake failed: %s", error)
2194
1718
# Do not run session.bye() here: the session is not
2195
1719
# established. Just abandon the request.
2199
1723
approval_required = False
2200
1724
try:
2201
1725
try:
2202
fpr = self.fingerprint(
2203
self.peer_certificate(session))
2204
except (TypeError, gnutls.Error) as error:
1726
fpr = self.fingerprint(self.peer_certificate
1727
(session))
1728
except (TypeError,
1729
gnutls.errors.GNUTLSError) as error:
2205
1730
logger.warning("Bad certificate: %s", error)
2206
1731
return
2207
1732
logger.debug("Fingerprint: %s", fpr)
2220
1745
while True:
2221
1746
if not client.enabled:
2222
1747
logger.info("Client %s is disabled",
2223
client.name)
1748
client.name)
2224
1749
if self.server.use_dbus:
2225
1750
# Emit D-Bus signal
2226
1751
client.Rejected("Disabled")
2235
1760
if self.server.use_dbus:
2236
1761
# Emit D-Bus signal
2237
1762
client.NeedApproval(
2238
client.approval_delay.total_seconds()
2239
* 1000, client.approved_by_default)
1763
client.approval_delay_milliseconds(),
1764
client.approved_by_default)
2240
1765
else:
2241
1766
logger.warning("Client %s was not approved",
2242
1767
client.name)
2248
1773
#wait until timeout or approved
2249
1774
time = datetime.datetime.now()
2250
1775
client.changedstate.acquire()
2251
client.changedstate.wait(delay.total_seconds())
1776
client.changedstate.wait(
1777
float(timedelta_to_milliseconds(delay)
1778
/ 1000))
2252
1779
client.changedstate.release()
2253
1780
time2 = datetime.datetime.now()
2254
1781
if (time2 - time) >= delay:
2265
1792
else:
2266
1793
delay -= time2 - time
2267
1794
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
1795
sent_size = 0
1796
while sent_size < len(client.secret):
1797
try:
1798
sent = session.send(client.secret[sent_size:])
1799
except gnutls.errors.GNUTLSError as error:
1800
logger.warning("gnutls send failed",
1801
exc_info=error)
1802
return
1803
logger.debug("Sent: %d, remaining: %d",
1804
sent, len(client.secret)
1805
- (sent_size + sent))
1806
sent_size += sent
2274
1807
2275
1808
logger.info("Sending secret to %s", client.name)
2276
1809
# bump the timeout using extended_timeout
2284
1817
client.approvals_pending -= 1
2285
1818
try:
2286
1819
session.bye()
2287
except gnutls.Error as error:
1820
except gnutls.errors.GNUTLSError as error:
2288
1821
logger.warning("GnuTLS bye failed",
2289
1822
exc_info=error)
2290
1823
2292
1825
def peer_certificate(session):
2293
1826
"Return the peer's OpenPGP certificate as a bytestring"
2294
1827
# 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""
1828
if (gnutls.library.functions
1829
.gnutls_certificate_type_get(session._c_object)
1830
!= gnutls.library.constants.GNUTLS_CRT_OPENPGP):
1831
# ...do the normal thing
1832
return session.peer_certificate
2299
1833
list_size = ctypes.c_uint(1)
2300
cert_list = (gnutls.certificate_get_peers
1834
cert_list = (gnutls.library.functions
1835
.gnutls_certificate_get_peers
2301
1836
(session._c_object, ctypes.byref(list_size)))
2302
1837
if not bool(cert_list) and list_size.value != 0:
2303
raise gnutls.Error("error getting peer certificate")
1838
raise gnutls.errors.GNUTLSError("error getting peer"
1839
" certificate")
2304
1840
if list_size.value == 0:
2305
1841
return None
2306
1842
cert = cert_list[0]
2310
1846
def fingerprint(openpgp):
2311
1847
"Convert an OpenPGP bytestring to a hexdigit fingerprint"
2312
1848
# 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)))
1849
datum = (gnutls.library.types
1850
.gnutls_datum_t(ctypes.cast(ctypes.c_char_p(openpgp),
1851
ctypes.POINTER
1852
(ctypes.c_ubyte)),
1853
ctypes.c_uint(len(openpgp))))
2317
1854
# New empty GnuTLS certificate
2318
crt = gnutls.openpgp_crt_t()
2319
gnutls.openpgp_crt_init(ctypes.byref(crt))
1855
crt = gnutls.library.types.gnutls_openpgp_crt_t()
1856
(gnutls.library.functions
1857
.gnutls_openpgp_crt_init(ctypes.byref(crt)))
2320
1858
# Import the OpenPGP public key into the certificate
2321
gnutls.openpgp_crt_import(crt, ctypes.byref(datum),
2322
gnutls.OPENPGP_FMT_RAW)
1859
(gnutls.library.functions
1860
.gnutls_openpgp_crt_import(crt, ctypes.byref(datum),
1861
gnutls.library.constants
1862
.GNUTLS_OPENPGP_FMT_RAW))
2323
1863
# Verify the self signature in the key
2324
1864
crtverify = ctypes.c_uint()
2325
gnutls.openpgp_crt_verify_self(crt, 0,
2326
ctypes.byref(crtverify))
1865
(gnutls.library.functions
1866
.gnutls_openpgp_crt_verify_self(crt, 0,
1867
ctypes.byref(crtverify)))
2327
1868
if crtverify.value != 0:
2328
gnutls.openpgp_crt_deinit(crt)
2329
raise gnutls.CertificateSecurityError("Verify failed")
1869
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
1870
raise (gnutls.errors.CertificateSecurityError
1871
("Verify failed"))
2330
1872
# New buffer for the fingerprint
2331
1873
buf = ctypes.create_string_buffer(20)
2332
1874
buf_len = ctypes.c_size_t()
2333
1875
# Get the fingerprint from the certificate into the buffer
2334
gnutls.openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
2335
ctypes.byref(buf_len))
1876
(gnutls.library.functions
1877
.gnutls_openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
1878
ctypes.byref(buf_len)))
2336
1879
# Deinit the certificate
2337
gnutls.openpgp_crt_deinit(crt)
1880
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
2338
1881
# Convert the buffer to a Python bytestring
2339
1882
fpr = ctypes.string_at(buf, buf_len.value)
2340
1883
# Convert the bytestring to hexadecimal notation
2344
1887
2345
1888
class MultiprocessingMixIn(object):
2346
1889
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
2347
2348
1890
def sub_process_main(self, request, address):
2349
1891
try:
2350
1892
self.finish_request(request, address)
2362
1904
2363
1905
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
2364
1906
""" adds a pipe to the MixIn """
2365
2366
1907
def process_request(self, request, client_address):
2367
1908
"""Overrides and wraps the original process_request().
2368
1909
2389
1930
interface: None or a network interface name (string)
2390
1931
use_ipv6: Boolean; to use IPv6 or not
2391
1932
"""
2392
2393
1933
def __init__(self, server_address, RequestHandlerClass,
2394
interface=None,
2395
use_ipv6=True,
2396
socketfd=None):
1934
interface=None, use_ipv6=True, socketfd=None):
2397
1935
"""If socketfd is set, use that file descriptor instead of
2398
1936
creating a new one with socket.socket().
2399
1937
"""
2440
1978
self.interface)
2441
1979
else:
2442
1980
try:
2443
self.socket.setsockopt(
2444
socket.SOL_SOCKET, SO_BINDTODEVICE,
2445
(self.interface + "\0").encode("utf-8"))
1981
self.socket.setsockopt(socket.SOL_SOCKET,
1982
SO_BINDTODEVICE,
1983
str(self.interface + '\0'))
2446
1984
except socket.error as error:
2447
1985
if error.errno == errno.EPERM:
2448
1986
logger.error("No permission to bind to"
2466
2004
self.server_address = (any_address,
2467
2005
self.server_address[1])
2468
2006
elif not self.server_address[1]:
2469
self.server_address = (self.server_address[0], 0)
2007
self.server_address = (self.server_address[0],
2008
0)
2470
2009
# if self.interface:
2471
2010
# self.server_address = (self.server_address[0],
2472
2011
# 0, # port
2484
2023
gnutls_priority GnuTLS priority string
2485
2024
use_dbus: Boolean; to emit D-Bus signals or not
2486
2025
2487
Assumes a GLib.MainLoop event loop.
2026
Assumes a gobject.MainLoop event loop.
2488
2027
"""
2489
2490
2028
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):
2029
interface=None, use_ipv6=True, clients=None,
2030
gnutls_priority=None, use_dbus=True, socketfd=None):
2497
2031
self.enabled = False
2498
2032
self.clients = clients
2499
2033
if self.clients is None:
2505
2039
interface = interface,
2506
2040
use_ipv6 = use_ipv6,
2507
2041
socketfd = socketfd)
2508
2509
2042
def server_activate(self):
2510
2043
if self.enabled:
2511
2044
return socketserver.TCPServer.server_activate(self)
2515
2048
2516
2049
def add_pipe(self, parent_pipe, proc):
2517
2050
# 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))
2051
gobject.io_add_watch(parent_pipe.fileno(),
2052
gobject.IO_IN | gobject.IO_HUP,
2053
functools.partial(self.handle_ipc,
2054
parent_pipe =
2055
parent_pipe,
2056
proc = proc))
2524
2057
2525
def handle_ipc(self, source, condition,
2526
parent_pipe=None,
2527
proc = None,
2528
client_object=None):
2058
def handle_ipc(self, source, condition, parent_pipe=None,
2059
proc = None, client_object=None):
2529
2060
# error, or the other end of multiprocessing.Pipe has closed
2530
if condition & (GLib.IO_ERR | GLib.IO_HUP):
2061
if condition & (gobject.IO_ERR | gobject.IO_HUP):
2531
2062
# Wait for other process to exit
2532
2063
proc.join()
2533
2064
return False
2540
2071
fpr = request[1]
2541
2072
address = request[2]
2542
2073
2543
for c in self.clients.values():
2074
for c in self.clients.itervalues():
2544
2075
if c.fingerprint == fpr:
2545
2076
client = c
2546
2077
break
2554
2085
parent_pipe.send(False)
2555
2086
return False
2556
2087
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))
2088
gobject.io_add_watch(parent_pipe.fileno(),
2089
gobject.IO_IN | gobject.IO_HUP,
2090
functools.partial(self.handle_ipc,
2091
parent_pipe =
2092
parent_pipe,
2093
proc = proc,
2094
client_object =
2095
client))
2564
2096
parent_pipe.send(True)
2565
2097
# remove the old hook in favor of the new above hook on
2566
2098
# same fileno
2572
2104
2573
2105
parent_pipe.send(('data', getattr(client_object,
2574
2106
funcname)(*args,
2575
**kwargs)))
2107
**kwargs)))
2576
2108
2577
2109
if command == 'getattr':
2578
2110
attrname = request[1]
2579
if isinstance(client_object.__getattribute__(attrname),
2580
collections.Callable):
2581
parent_pipe.send(('function', ))
2111
if callable(client_object.__getattribute__(attrname)):
2112
parent_pipe.send(('function',))
2582
2113
else:
2583
parent_pipe.send((
2584
'data', client_object.__getattribute__(attrname)))
2114
parent_pipe.send(('data', client_object
2115
.__getattribute__(attrname)))
2585
2116
2586
2117
if command == 'setattr':
2587
2118
attrname = request[1]
2618
2149
# avoid excessive use of external libraries.
2619
2150
2620
2151
# 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
2152
Token = collections.namedtuple("Token",
2153
("regexp", # To match token; if
2154
# "value" is not None,
2155
# must have a "group"
2156
# containing digits
2157
"value", # datetime.timedelta or
2158
# None
2159
"followers")) # Tokens valid after
2160
# this token
2626
2161
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
2627
2162
# the "duration" ABNF definition in RFC 3339, Appendix A.
2628
2163
token_end = Token(re.compile(r"$"), None, frozenset())
2629
2164
token_second = Token(re.compile(r"(\d+)S"),
2630
2165
datetime.timedelta(seconds=1),
2631
frozenset((token_end, )))
2166
frozenset((token_end,)))
2632
2167
token_minute = Token(re.compile(r"(\d+)M"),
2633
2168
datetime.timedelta(minutes=1),
2634
2169
frozenset((token_second, token_end)))
2650
2185
frozenset((token_month, token_end)))
2651
2186
token_week = Token(re.compile(r"(\d+)W"),
2652
2187
datetime.timedelta(weeks=1),
2653
frozenset((token_end, )))
2188
frozenset((token_end,)))
2654
2189
token_duration = Token(re.compile(r"P"), None,
2655
2190
frozenset((token_year, token_month,
2656
2191
token_day, token_time,
2657
token_week)))
2192
token_week))),
2658
2193
# Define starting values
2659
2194
value = datetime.timedelta() # Value so far
2660
2195
found_token = None
2661
followers = frozenset((token_duration, )) # Following valid tokens
2196
followers = frozenset(token_duration,) # Following valid tokens
2662
2197
s = duration # String left to parse
2663
2198
# Loop until end token is found
2664
2199
while found_token is not token_end:
2681
2216
break
2682
2217
else:
2683
2218
# No currently valid tokens were found
2684
raise ValueError("Invalid RFC 3339 duration: {!r}"
2685
.format(duration))
2219
raise ValueError("Invalid RFC 3339 duration")
2686
2220
# End token found
2687
2221
return value
2688
2222
2712
2246
timevalue = datetime.timedelta(0)
2713
2247
for s in interval.split():
2714
2248
try:
2715
suffix = s[-1]
2249
suffix = unicode(s[-1])
2716
2250
value = int(s[:-1])
2717
2251
if suffix == "d":
2718
2252
delta = datetime.timedelta(value)
2725
2259
elif suffix == "w":
2726
2260
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
2727
2261
else:
2728
raise ValueError("Unknown suffix {!r}".format(suffix))
2262
raise ValueError("Unknown suffix {0!r}"
2263
.format(suffix))
2729
2264
except IndexError as e:
2730
2265
raise ValueError(*(e.args))
2731
2266
timevalue += delta
2748
2283
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
2749
2284
if not stat.S_ISCHR(os.fstat(null).st_mode):
2750
2285
raise OSError(errno.ENODEV,
2751
"{} not a character device"
2286
"{0} not a character device"
2752
2287
.format(os.devnull))
2753
2288
os.dup2(null, sys.stdin.fileno())
2754
2289
os.dup2(null, sys.stdout.fileno())
2764
2299
2765
2300
parser = argparse.ArgumentParser()
2766
2301
parser.add_argument("-v", "--version", action="version",
2767
version = "%(prog)s {}".format(version),
2302
version = "%(prog)s {0}".format(version),
2768
2303
help="show version number and exit")
2769
2304
parser.add_argument("-i", "--interface", metavar="IF",
2770
2305
help="Bind to interface IF")
2803
2338
help="Directory to save/restore state in")
2804
2339
parser.add_argument("--foreground", action="store_true",
2805
2340
help="Run in foreground", default=None)
2806
parser.add_argument("--no-zeroconf", action="store_false",
2807
dest="zeroconf", help="Do not use Zeroconf",
2808
default=None)
2809
2341
2810
2342
options = parser.parse_args()
2811
2343
2812
2344
if options.check:
2813
2345
import doctest
2814
fail_count, test_count = doctest.testmod()
2815
sys.exit(os.EX_OK if fail_count == 0 else 1)
2346
doctest.testmod()
2347
sys.exit()
2816
2348
2817
2349
# Default values for config file for server-global settings
2818
2350
server_defaults = { "interface": "",
2820
2352
"port": "",
2821
2353
"debug": "False",
2822
2354
"priority":
2823
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
2824
":+SIGN-DSA-SHA256",
2355
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:+SIGN-RSA-SHA224:+SIGN-RSA-RMD160",
2825
2356
"servicename": "Mandos",
2826
2357
"use_dbus": "True",
2827
2358
"use_ipv6": "True",
2830
2361
"socket": "",
2831
2362
"statedir": "/var/lib/mandos",
2832
2363
"foreground": "False",
2833
"zeroconf": "True",
2834
}
2364
}
2835
2365
2836
2366
# Parse config file for server-global settings
2837
2367
server_config = configparser.SafeConfigParser(server_defaults)
2838
2368
del server_defaults
2839
server_config.read(os.path.join(options.configdir, "mandos.conf"))
2369
server_config.read(os.path.join(options.configdir,
2370
"mandos.conf"))
2840
2371
# Convert the SafeConfigParser object to a dict
2841
2372
server_settings = server_config.defaults()
2842
2373
# Use the appropriate methods on the non-string config options
2860
2391
# Override the settings from the config file with command line
2861
2392
# options, if set.
2862
2393
for option in ("interface", "address", "port", "debug",
2863
"priority", "servicename", "configdir", "use_dbus",
2864
"use_ipv6", "debuglevel", "restore", "statedir",
2865
"socket", "foreground", "zeroconf"):
2394
"priority", "servicename", "configdir",
2395
"use_dbus", "use_ipv6", "debuglevel", "restore",
2396
"statedir", "socket", "foreground"):
2866
2397
value = getattr(options, option)
2867
2398
if value is not None:
2868
2399
server_settings[option] = value
2869
2400
del options
2870
2401
# Force all strings to be unicode
2871
2402
for option in server_settings.keys():
2872
if isinstance(server_settings[option], bytes):
2873
server_settings[option] = (server_settings[option]
2874
.decode("utf-8"))
2403
if type(server_settings[option]) is str:
2404
server_settings[option] = unicode(server_settings[option])
2875
2405
# Force all boolean options to be boolean
2876
2406
for option in ("debug", "use_dbus", "use_ipv6", "restore",
2877
"foreground", "zeroconf"):
2407
"foreground"):
2878
2408
server_settings[option] = bool(server_settings[option])
2879
2409
# Debug implies foreground
2880
2410
if server_settings["debug"]:
2883
2413
2884
2414
##################################################################
2885
2415
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")
2890
2891
2416
# For convenience
2892
2417
debug = server_settings["debug"]
2893
2418
debuglevel = server_settings["debuglevel"]
2896
2421
stored_state_path = os.path.join(server_settings["statedir"],
2897
2422
stored_state_file)
2898
2423
foreground = server_settings["foreground"]
2899
zeroconf = server_settings["zeroconf"]
2900
2424
2901
2425
if debug:
2902
2426
initlogger(debug, logging.DEBUG)
2908
2432
initlogger(debug, level)
2909
2433
2910
2434
if server_settings["servicename"] != "Mandos":
2911
syslogger.setFormatter(
2912
logging.Formatter('Mandos ({}) [%(process)d]:'
2913
' %(levelname)s: %(message)s'.format(
2914
server_settings["servicename"])))
2435
syslogger.setFormatter(logging.Formatter
2436
('Mandos ({0}) [%(process)d]:'
2437
' %(levelname)s: %(message)s'
2438
.format(server_settings
2439
["servicename"])))
2915
2440
2916
2441
# Parse config file with clients
2917
2442
client_config = configparser.SafeConfigParser(Client
2922
2447
global mandos_dbus_service
2923
2448
mandos_dbus_service = None
2924
2449
2925
socketfd = None
2926
if server_settings["socket"] != "":
2927
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)
2450
tcp_server = MandosServer((server_settings["address"],
2451
server_settings["port"]),
2452
ClientHandler,
2453
interface=(server_settings["interface"]
2454
or None),
2455
use_ipv6=use_ipv6,
2456
gnutls_priority=
2457
server_settings["priority"],
2458
use_dbus=use_dbus,
2459
socketfd=(server_settings["socket"]
2460
or None))
2936
2461
if not foreground:
2937
2462
pidfilename = "/run/mandos.pid"
2938
2463
if not os.path.isdir("/run/."):
2939
2464
pidfilename = "/var/run/mandos.pid"
2940
2465
pidfile = None
2941
2466
try:
2942
pidfile = codecs.open(pidfilename, "w", encoding="utf-8")
2467
pidfile = open(pidfilename, "w")
2943
2468
except IOError as e:
2944
2469
logger.error("Could not open file %r", pidfilename,
2945
2470
exc_info=e)
2946
2471
2947
for name, group in (("_mandos", "_mandos"),
2948
("mandos", "mandos"),
2949
("nobody", "nogroup")):
2472
for name in ("_mandos", "mandos", "nobody"):
2950
2473
try:
2951
2474
uid = pwd.getpwnam(name).pw_uid
2952
gid = pwd.getpwnam(group).pw_gid
2475
gid = pwd.getpwnam(name).pw_gid
2953
2476
break
2954
2477
except KeyError:
2955
2478
continue
2959
2482
try:
2960
2483
os.setgid(gid)
2961
2484
os.setuid(uid)
2962
if debug:
2963
logger.debug("Did setuid/setgid to {}:{}".format(uid,
2964
gid))
2965
2485
except OSError as error:
2966
logger.warning("Failed to setuid/setgid to {}:{}: {}"
2967
.format(uid, gid, os.strerror(error.errno)))
2968
2486
if error.errno != errno.EPERM:
2969
2487
raise
2970
2488
2973
2491
2974
2492
# "Use a log level over 10 to enable all debugging options."
2975
2493
# - GnuTLS manual
2976
gnutls.global_set_log_level(11)
2494
gnutls.library.functions.gnutls_global_set_log_level(11)
2977
2495
2978
@gnutls.log_func
2496
@gnutls.library.types.gnutls_log_func
2979
2497
def debug_gnutls(level, string):
2980
2498
logger.debug("GnuTLS: %s", string[:-1])
2981
2499
2982
gnutls.global_set_log_function(debug_gnutls)
2500
(gnutls.library.functions
2501
.gnutls_global_set_log_function(debug_gnutls))
2983
2502
2984
2503
# Redirect stdin so all checkers get /dev/null
2985
2504
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
2992
2511
# Close all input and output, do double fork, etc.
2993
2512
daemon()
2994
2513
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()
2514
# multiprocessing will use threads, so before we use gobject we
2515
# need to inform gobject that threads will be used.
2516
gobject.threads_init()
2998
2517
2999
2518
global main_loop
3000
2519
# From the Avahi example code
3001
2520
DBusGMainLoop(set_as_default=True)
3002
main_loop = GLib.MainLoop()
2521
main_loop = gobject.MainLoop()
3003
2522
bus = dbus.SystemBus()
3004
2523
# End of Avahi example code
3005
2524
if use_dbus:
3006
2525
try:
3007
2526
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:
2527
bus, do_not_queue=True)
2528
old_bus_name = (dbus.service.BusName
2529
("se.bsnet.fukt.Mandos", bus,
2530
do_not_queue=True))
2531
except dbus.exceptions.NameExistsException as e:
3014
2532
logger.error("Disabling D-Bus:", exc_info=e)
3015
2533
use_dbus = False
3016
2534
server_settings["use_dbus"] = False
3017
2535
tcp_server.use_dbus = False
3018
if zeroconf:
3019
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)
3025
if server_settings["interface"]:
3026
service.interface = if_nametoindex(
3027
server_settings["interface"].encode("utf-8"))
2536
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
2537
service = AvahiServiceToSyslog(name =
2538
server_settings["servicename"],
2539
servicetype = "_mandos._tcp",
2540
protocol = protocol, bus = bus)
2541
if server_settings["interface"]:
2542
service.interface = (if_nametoindex
2543
(str(server_settings["interface"])))
3028
2544
3029
2545
global multiprocessing_manager
3030
2546
multiprocessing_manager = multiprocessing.Manager()
3049
2565
if server_settings["restore"]:
3050
2566
try:
3051
2567
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"))
2568
clients_data, old_client_settings = (pickle.load
2569
(stored_state))
3097
2570
os.remove(stored_state_path)
3098
2571
except IOError as e:
3099
2572
if e.errno == errno.ENOENT:
3100
logger.warning("Could not load persistent state:"
3101
" {}".format(os.strerror(e.errno)))
2573
logger.warning("Could not load persistent state: {0}"
2574
.format(os.strerror(e.errno)))
3102
2575
else:
3103
2576
logger.critical("Could not load persistent state:",
3104
2577
exc_info=e)
3105
2578
raise
3106
2579
except EOFError as e:
3107
2580
logger.warning("Could not load persistent state: "
3108
"EOFError:",
3109
exc_info=e)
2581
"EOFError:", exc_info=e)
3110
2582
3111
2583
with PGPEngine() as pgp:
3112
for client_name, client in clients_data.items():
2584
for client_name, client in clients_data.iteritems():
3113
2585
# Skip removed clients
3114
2586
if client_name not in client_settings:
3115
2587
continue
3124
2596
# For each value in new config, check if it
3125
2597
# differs from the old config value (Except for
3126
2598
# the "secret" attribute)
3127
if (name != "secret"
3128
and (value !=
3129
old_client_settings[client_name][name])):
2599
if (name != "secret" and
2600
value != old_client_settings[client_name]
2601
[name]):
3130
2602
client[name] = value
3131
2603
except KeyError:
3132
2604
pass
3133
2605
3134
2606
# Clients who has passed its expire date can still be
3135
# enabled if its last checker was successful. A Client
2607
# enabled if its last checker was successful. Clients
3136
2608
# whose checker succeeded before we stored its state is
3137
2609
# assumed to have successfully run all checkers during
3138
2610
# downtime.
3140
2612
if datetime.datetime.utcnow() >= client["expires"]:
3141
2613
if not client["last_checked_ok"]:
3142
2614
logger.warning(
3143
"disabling client {} - Client never "
3144
"performed a successful checker".format(
3145
client_name))
2615
"disabling client {0} - Client never "
2616
"performed a successful checker"
2617
.format(client_name))
3146
2618
client["enabled"] = False
3147
2619
elif client["last_checker_status"] != 0:
3148
2620
logger.warning(
3149
"disabling client {} - Client last"
3150
" checker failed with error code"
3151
" {}".format(
3152
client_name,
3153
client["last_checker_status"]))
2621
"disabling client {0} - Client "
2622
"last checker failed with error code {1}"
2623
.format(client_name,
2624
client["last_checker_status"]))
3154
2625
client["enabled"] = False
3155
2626
else:
3156
client["expires"] = (
3157
datetime.datetime.utcnow()
3158
+ client["timeout"])
2627
client["expires"] = (datetime.datetime
2628
.utcnow()
2629
+ client["timeout"])
3159
2630
logger.debug("Last checker succeeded,"
3160
" keeping {} enabled".format(
3161
client_name))
2631
" keeping {0} enabled"
2632
.format(client_name))
3162
2633
try:
3163
client["secret"] = pgp.decrypt(
3164
client["encrypted_secret"],
3165
client_settings[client_name]["secret"])
2634
client["secret"] = (
2635
pgp.decrypt(client["encrypted_secret"],
2636
client_settings[client_name]
2637
["secret"]))
3166
2638
except PGPError:
3167
2639
# 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"])
2640
logger.debug("Failed to decrypt {0} old secret"
2641
.format(client_name))
2642
client["secret"] = (
2643
client_settings[client_name]["secret"])
3172
2644
3173
2645
# Add/remove clients based on new changes made to config
3174
2646
for client_name in (set(old_client_settings)
3179
2651
clients_data[client_name] = client_settings[client_name]
3180
2652
3181
2653
# Create all client objects
3182
for client_name, client in clients_data.items():
2654
for client_name, client in clients_data.iteritems():
3183
2655
tcp_server.clients[client_name] = client_class(
3184
name = client_name,
3185
settings = client,
2656
name = client_name, settings = client,
3186
2657
server_settings = server_settings)
3187
2658
3188
2659
if not tcp_server.clients:
3190
2661
3191
2662
if not foreground:
3192
2663
if pidfile is not None:
3193
pid = os.getpid()
3194
2664
try:
3195
2665
with pidfile:
3196
print(pid, file=pidfile)
2666
pid = os.getpid()
2667
pidfile.write(str(pid) + "\n".encode("utf-8"))
3197
2668
except IOError:
3198
2669
logger.error("Could not write to file %r with PID %d",
3199
2670
pidfilename, pid)
3200
2671
del pidfile
3201
2672
del pidfilename
3202
2673
3203
for termsig in (signal.SIGHUP, signal.SIGTERM):
3204
GLib.unix_signal_add(GLib.PRIORITY_HIGH, termsig,
3205
lambda: main_loop.quit() and False)
2674
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
2675
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
3206
2676
3207
2677
if use_dbus:
3208
3209
@alternate_dbus_interfaces(
3210
{ "se.recompile.Mandos": "se.bsnet.fukt.Mandos" })
3211
class MandosDBusService(DBusObjectWithObjectManager):
2678
@alternate_dbus_interfaces({"se.recompile.Mandos":
2679
"se.bsnet.fukt.Mandos"})
2680
class MandosDBusService(DBusObjectWithProperties):
3212
2681
"""A D-Bus proxy object"""
3213
3214
2682
def __init__(self):
3215
2683
dbus.service.Object.__init__(self, bus, "/")
3216
3217
2684
_interface = "se.recompile.Mandos"
3218
2685
2686
@dbus_interface_annotations(_interface)
2687
def _foo(self):
2688
return { "org.freedesktop.DBus.Property"
2689
".EmitsChangedSignal":
2690
"false"}
2691
3219
2692
@dbus.service.signal(_interface, signature="o")
3220
2693
def ClientAdded(self, objpath):
3221
2694
"D-Bus signal"
3226
2699
"D-Bus signal"
3227
2700
pass
3228
2701
3229
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3230
"true"})
3231
2702
@dbus.service.signal(_interface, signature="os")
3232
2703
def ClientRemoved(self, objpath, name):
3233
2704
"D-Bus signal"
3234
2705
pass
3235
2706
3236
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3237
"true"})
3238
2707
@dbus.service.method(_interface, out_signature="ao")
3239
2708
def GetAllClients(self):
3240
2709
"D-Bus method"
3241
return dbus.Array(c.dbus_object_path for c in
3242
tcp_server.clients.values())
2710
return dbus.Array(c.dbus_object_path
2711
for c in
2712
tcp_server.clients.itervalues())
3243
2713
3244
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3245
"true"})
3246
2714
@dbus.service.method(_interface,
3247
2715
out_signature="a{oa{sv}}")
3248
2716
def GetAllClientsWithProperties(self):
3249
2717
"D-Bus method"
3250
2718
return dbus.Dictionary(
3251
{ c.dbus_object_path: c.GetAll(
3252
"se.recompile.Mandos.Client")
3253
for c in tcp_server.clients.values() },
2719
((c.dbus_object_path, c.GetAll(""))
2720
for c in tcp_server.clients.itervalues()),
3254
2721
signature="oa{sv}")
3255
2722
3256
2723
@dbus.service.method(_interface, in_signature="o")
3257
2724
def RemoveClient(self, object_path):
3258
2725
"D-Bus method"
3259
for c in tcp_server.clients.values():
2726
for c in tcp_server.clients.itervalues():
3260
2727
if c.dbus_object_path == object_path:
3261
2728
del tcp_server.clients[c.name]
3262
2729
c.remove_from_connection()
3263
# Don't signal the disabling
2730
# Don't signal anything except ClientRemoved
3264
2731
c.disable(quiet=True)
3265
# Emit D-Bus signal for removal
3266
self.client_removed_signal(c)
2732
# Emit D-Bus signal
2733
self.ClientRemoved(object_path, c.name)
3267
2734
return
3268
2735
raise KeyError(object_path)
3269
2736
3270
2737
del _interface
3271
3272
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
3273
out_signature = "a{oa{sa{sv}}}")
3274
def GetManagedObjects(self):
3275
"""D-Bus method"""
3276
return dbus.Dictionary(
3277
{ client.dbus_object_path:
3278
dbus.Dictionary(
3279
{ interface: client.GetAll(interface)
3280
for interface in
3281
client._get_all_interface_names()})
3282
for client in tcp_server.clients.values()})
3283
3284
def client_added_signal(self, client):
3285
"""Send the new standard signal and the old signal"""
3286
if use_dbus:
3287
# New standard signal
3288
self.InterfacesAdded(
3289
client.dbus_object_path,
3290
dbus.Dictionary(
3291
{ interface: client.GetAll(interface)
3292
for interface in
3293
client._get_all_interface_names()}))
3294
# Old signal
3295
self.ClientAdded(client.dbus_object_path)
3296
3297
def client_removed_signal(self, client):
3298
"""Send the new standard signal and the old signal"""
3299
if use_dbus:
3300
# New standard signal
3301
self.InterfacesRemoved(
3302
client.dbus_object_path,
3303
client._get_all_interface_names())
3304
# Old signal
3305
self.ClientRemoved(client.dbus_object_path,
3306
client.name)
3307
2738
3308
2739
mandos_dbus_service = MandosDBusService()
3309
2740
3310
2741
def cleanup():
3311
2742
"Cleanup function; run on exit"
3312
if zeroconf:
3313
service.cleanup()
2743
service.cleanup()
3314
2744
3315
2745
multiprocessing.active_children()
3316
2746
wnull.close()
3322
2752
# removed/edited, old secret will thus be unrecovable.
3323
2753
clients = {}
3324
2754
with PGPEngine() as pgp:
3325
for client in tcp_server.clients.values():
2755
for client in tcp_server.clients.itervalues():
3326
2756
key = client_settings[client.name]["secret"]
3327
2757
client.encrypted_secret = pgp.encrypt(client.secret,
3328
2758
key)
3330
2760
3331
2761
# A list of attributes that can not be pickled
3332
2762
# + secret.
3333
exclude = { "bus", "changedstate", "secret",
3334
"checker", "server_settings" }
3335
for name, typ in inspect.getmembers(dbus.service
3336
.Object):
2763
exclude = set(("bus", "changedstate", "secret",
2764
"checker", "server_settings"))
2765
for name, typ in (inspect.getmembers
2766
(dbus.service.Object)):
3337
2767
exclude.add(name)
3338
2768
3339
2769
client_dict["encrypted_secret"] = (client
3346
2776
del client_settings[client.name]["secret"]
3347
2777
3348
2778
try:
3349
with tempfile.NamedTemporaryFile(
3350
mode='wb',
3351
suffix=".pickle",
3352
prefix='clients-',
3353
dir=os.path.dirname(stored_state_path),
3354
delete=False) as stored_state:
3355
pickle.dump((clients, client_settings), stored_state,
3356
protocol = 2)
3357
tempname = stored_state.name
2779
with (tempfile.NamedTemporaryFile
2780
(mode='wb', suffix=".pickle", prefix='clients-',
2781
dir=os.path.dirname(stored_state_path),
2782
delete=False)) as stored_state:
2783
pickle.dump((clients, client_settings), stored_state)
2784
tempname=stored_state.name
3358
2785
os.rename(tempname, stored_state_path)
3359
2786
except (IOError, OSError) as e:
3360
2787
if not debug:
3363
2790
except NameError:
3364
2791
pass
3365
2792
if e.errno in (errno.ENOENT, errno.EACCES, errno.EEXIST):
3366
logger.warning("Could not save persistent state: {}"
2793
logger.warning("Could not save persistent state: {0}"
3367
2794
.format(os.strerror(e.errno)))
3368
2795
else:
3369
2796
logger.warning("Could not save persistent state:",
3375
2802
name, client = tcp_server.clients.popitem()
3376
2803
if use_dbus:
3377
2804
client.remove_from_connection()
3378
# Don't signal the disabling
2805
# Don't signal anything except ClientRemoved
3379
2806
client.disable(quiet=True)
3380
# Emit D-Bus signal for removal
3381
2807
if use_dbus:
3382
mandos_dbus_service.client_removed_signal(client)
2808
# Emit D-Bus signal
2809
mandos_dbus_service.ClientRemoved(client
2810
.dbus_object_path,
2811
client.name)
3383
2812
client_settings.clear()
3384
2813
3385
2814
atexit.register(cleanup)
3386
2815
3387
for client in tcp_server.clients.values():
2816
for client in tcp_server.clients.itervalues():
3388
2817
if use_dbus:
3389
# Emit D-Bus signal for adding
3390
mandos_dbus_service.client_added_signal(client)
2818
# Emit D-Bus signal
2819
mandos_dbus_service.ClientAdded(client.dbus_object_path)
3391
2820
# Need to initiate checking of clients
3392
2821
if client.enabled:
3393
2822
client.init_checker()
3396
2825
tcp_server.server_activate()
3397
2826
3398
2827
# Find out what port we got
3399
if zeroconf:
3400
service.port = tcp_server.socket.getsockname()[1]
2828
service.port = tcp_server.socket.getsockname()[1]
3401
2829
if use_ipv6:
3402
2830
logger.info("Now listening on address %r, port %d,"
3403
2831
" flowinfo %d, scope_id %d",
3409
2837
#service.interface = tcp_server.socket.getsockname()[3]
3410
2838
3411
2839
try:
3412
if zeroconf:
3413
# From the Avahi example code
3414
try:
3415
service.activate()
3416
except dbus.exceptions.DBusException as error:
3417
logger.critical("D-Bus Exception", exc_info=error)
3418
cleanup()
3419
sys.exit(1)
3420
# End of Avahi example code
2840
# From the Avahi example code
2841
try:
2842
service.activate()
2843
except dbus.exceptions.DBusException as error:
2844
logger.critical("D-Bus Exception", exc_info=error)
2845
cleanup()
2846
sys.exit(1)
2847
# End of Avahi example code
3421
2848
3422
GLib.io_add_watch(tcp_server.fileno(), GLib.IO_IN,
3423
lambda *args, **kwargs:
3424
(tcp_server.handle_request
3425
(*args[2:], **kwargs) or True))
2849
gobject.io_add_watch(tcp_server.fileno(), gobject.IO_IN,
2850
lambda *args, **kwargs:
2851
(tcp_server.handle_request
2852
(*args[2:], **kwargs) or True))
3426
2853
3427
2854
logger.debug("Starting main loop")
3428
2855
main_loop.run()
3438
2865
# Must run before the D-Bus bus name gets deregistered
3439
2866
cleanup()
3440
2867
3441
3442
2868
if __name__ == '__main__':
3443
2869
main()
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0