To get this branch, use:
bzr branch
http://bzr.recompile.se/loggerhead/mandos/trunk
« back to all changes in this revision
Viewing changes to mandos
- browse files at revision 406
- compare with another revision
- download diff
- download tarball
- view history from revision 406
- Committer: Teddy Hogeborn
- Date: 2009-11-09 07:35:16 UTC
- Revision ID: teddy@fukt.bsnet.se-20091109073516-v1vem352uz0vuwrd
* dbus-mandos.conf: New; to be copied to
"/etc/dbus-1/system.d/mandos.conf".
"/etc/dbus-1/system.d/mandos.conf".
- files removed:
- DBUS-API
- debian/source
- network-hooks.d
- files modified:
- .bzrignore
added
removed
mandos
11
11
# "AvahiService" class, and some lines in "main".
12
12
#
13
13
# Everything else is
14
# Copyright © 2008-2011 Teddy Hogeborn
15
# Copyright © 2008-2011 Björn Påhlsson
14
# Copyright © 2008,2009 Teddy Hogeborn
15
# Copyright © 2008,2009 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
28
28
# along with this program. If not, see
29
29
# <http://www.gnu.org/licenses/>.
30
30
#
31
# Contact the authors at <mandos@recompile.se>.
31
# Contact the authors at <mandos@fukt.bsnet.se>.
32
32
#
33
33
34
from __future__ import (division, absolute_import, print_function,
35
unicode_literals)
34
from __future__ import division, with_statement, absolute_import
36
35
37
36
import SocketServer as socketserver
38
37
import socket
39
import argparse
38
import optparse
40
39
import datetime
41
40
import errno
42
41
import gnutls.crypto
56
55
import logging
57
56
import logging.handlers
58
57
import pwd
59
import contextlib
58
from contextlib import closing
60
59
import struct
61
60
import fcntl
62
61
import functools
63
import cPickle as pickle
64
import multiprocessing
65
import types
66
62
67
63
import dbus
68
64
import dbus.service
83
79
SO_BINDTODEVICE = None
84
80
85
81
86
version = "1.4.1"
82
version = "1.0.14"
87
83
88
#logger = logging.getLogger('mandos')
89
logger = logging.Logger('mandos')
84
logger = logging.Logger(u'mandos')
90
85
syslogger = (logging.handlers.SysLogHandler
91
86
(facility = logging.handlers.SysLogHandler.LOG_DAEMON,
92
address = str("/dev/log")))
87
address = "/dev/log"))
93
88
syslogger.setFormatter(logging.Formatter
94
('Mandos [%(process)d]: %(levelname)s:'
95
' %(message)s'))
89
(u'Mandos [%(process)d]: %(levelname)s:'
90
u' %(message)s'))
96
91
logger.addHandler(syslogger)
97
92
98
93
console = logging.StreamHandler()
99
console.setFormatter(logging.Formatter('%(name)s [%(process)d]:'
100
' %(levelname)s:'
101
' %(message)s'))
94
console.setFormatter(logging.Formatter(u'%(name)s [%(process)d]:'
95
u' %(levelname)s:'
96
u' %(message)s'))
102
97
logger.addHandler(console)
103
98
104
99
class AvahiError(Exception):
121
116
Attributes:
122
117
interface: integer; avahi.IF_UNSPEC or an interface index.
123
118
Used to optionally bind to the specified interface.
124
name: string; Example: 'Mandos'
125
type: string; Example: '_mandos._tcp'.
119
name: string; Example: u'Mandos'
120
type: string; Example: u'_mandos._tcp'.
126
121
See <http://www.dns-sd.org/ServiceTypes.html>
127
122
port: integer; what port to announce
128
123
TXT: list of strings; TXT record for the service
137
132
"""
138
133
def __init__(self, interface = avahi.IF_UNSPEC, name = None,
139
134
servicetype = None, port = None, TXT = None,
140
domain = "", host = "", max_renames = 32768,
135
domain = u"", host = u"", max_renames = 32768,
141
136
protocol = avahi.PROTO_UNSPEC, bus = None):
142
137
self.interface = interface
143
138
self.name = name
152
147
self.group = None # our entry group
153
148
self.server = None
154
149
self.bus = bus
155
self.entry_group_state_changed_match = None
156
150
def rename(self):
157
151
"""Derived from the Avahi example code"""
158
152
if self.rename_count >= self.max_renames:
159
logger.critical("No suitable Zeroconf service name found"
160
" after %i retries, exiting.",
153
logger.critical(u"No suitable Zeroconf service name found"
154
u" after %i retries, exiting.",
161
155
self.rename_count)
162
raise AvahiServiceError("Too many renames")
163
self.name = unicode(self.server
164
.GetAlternativeServiceName(self.name))
165
logger.info("Changing Zeroconf service name to %r ...",
166
self.name)
156
raise AvahiServiceError(u"Too many renames")
157
self.name = self.server.GetAlternativeServiceName(self.name)
158
logger.info(u"Changing Zeroconf service name to %r ...",
159
unicode(self.name))
167
160
syslogger.setFormatter(logging.Formatter
168
('Mandos (%s) [%%(process)d]:'
169
' %%(levelname)s: %%(message)s'
161
(u'Mandos (%s) [%%(process)d]:'
162
u' %%(levelname)s: %%(message)s'
170
163
% self.name))
171
164
self.remove()
172
try:
173
self.add()
174
except dbus.exceptions.DBusException as error:
175
logger.critical("DBusException: %s", error)
176
self.cleanup()
177
os._exit(1)
165
self.add()
178
166
self.rename_count += 1
179
167
def remove(self):
180
168
"""Derived from the Avahi example code"""
181
if self.entry_group_state_changed_match is not None:
182
self.entry_group_state_changed_match.remove()
183
self.entry_group_state_changed_match = None
184
169
if self.group is not None:
185
170
self.group.Reset()
186
171
def add(self):
187
172
"""Derived from the Avahi example code"""
188
self.remove()
189
173
if self.group is None:
190
174
self.group = dbus.Interface(
191
175
self.bus.get_object(avahi.DBUS_NAME,
192
176
self.server.EntryGroupNew()),
193
177
avahi.DBUS_INTERFACE_ENTRY_GROUP)
194
self.entry_group_state_changed_match = (
195
self.group.connect_to_signal(
196
'StateChanged', self .entry_group_state_changed))
197
logger.debug("Adding Zeroconf service '%s' of type '%s' ...",
178
self.group.connect_to_signal('StateChanged',
179
self
180
.entry_group_state_changed)
181
logger.debug(u"Adding Zeroconf service '%s' of type '%s' ...",
198
182
self.name, self.type)
199
183
self.group.AddService(
200
184
self.interface,
207
191
self.group.Commit()
208
192
def entry_group_state_changed(self, state, error):
209
193
"""Derived from the Avahi example code"""
210
logger.debug("Avahi entry group state change: %i", state)
194
logger.debug(u"Avahi state change: %i", state)
211
195
212
196
if state == avahi.ENTRY_GROUP_ESTABLISHED:
213
logger.debug("Zeroconf service established.")
197
logger.debug(u"Zeroconf service established.")
214
198
elif state == avahi.ENTRY_GROUP_COLLISION:
215
logger.info("Zeroconf service name collision.")
199
logger.warning(u"Zeroconf service name collision.")
216
200
self.rename()
217
201
elif state == avahi.ENTRY_GROUP_FAILURE:
218
logger.critical("Avahi: Error in group state changed %s",
202
logger.critical(u"Avahi: Error in group state changed %s",
219
203
unicode(error))
220
raise AvahiGroupError("State changed: %s"
204
raise AvahiGroupError(u"State changed: %s"
221
205
% unicode(error))
222
206
def cleanup(self):
223
207
"""Derived from the Avahi example code"""
224
208
if self.group is not None:
225
try:
226
self.group.Free()
227
except (dbus.exceptions.UnknownMethodException,
228
dbus.exceptions.DBusException) as e:
229
pass
209
self.group.Free()
230
210
self.group = None
231
self.remove()
232
def server_state_changed(self, state, error=None):
211
def server_state_changed(self, state):
233
212
"""Derived from the Avahi example code"""
234
logger.debug("Avahi server state change: %i", state)
235
bad_states = { avahi.SERVER_INVALID:
236
"Zeroconf server invalid",
237
avahi.SERVER_REGISTERING: None,
238
avahi.SERVER_COLLISION:
239
"Zeroconf server name collision",
240
avahi.SERVER_FAILURE:
241
"Zeroconf server failure" }
242
if state in bad_states:
243
if bad_states[state] is not None:
244
if error is None:
245
logger.error(bad_states[state])
246
else:
247
logger.error(bad_states[state] + ": %r", error)
248
self.cleanup()
213
if state == avahi.SERVER_COLLISION:
214
logger.error(u"Zeroconf server name collision")
215
self.remove()
249
216
elif state == avahi.SERVER_RUNNING:
250
217
self.add()
251
else:
252
if error is None:
253
logger.debug("Unknown state: %r", state)
254
else:
255
logger.debug("Unknown state: %r: %r", state, error)
256
218
def activate(self):
257
219
"""Derived from the Avahi example code"""
258
220
if self.server is None:
259
221
self.server = dbus.Interface(
260
222
self.bus.get_object(avahi.DBUS_NAME,
261
avahi.DBUS_PATH_SERVER,
262
follow_name_owner_changes=True),
223
avahi.DBUS_PATH_SERVER),
263
224
avahi.DBUS_INTERFACE_SERVER)
264
self.server.connect_to_signal("StateChanged",
225
self.server.connect_to_signal(u"StateChanged",
265
226
self.server_state_changed)
266
227
self.server_state_changed(self.server.GetState())
267
228
268
229
269
def _timedelta_to_milliseconds(td):
270
"Convert a datetime.timedelta() to milliseconds"
271
return ((td.days * 24 * 60 * 60 * 1000)
272
+ (td.seconds * 1000)
273
+ (td.microseconds // 1000))
274
275
230
class Client(object):
276
231
"""A representation of a client host served by this server.
277
232
278
233
Attributes:
279
_approved: bool(); 'None' if not yet approved/disapproved
280
approval_delay: datetime.timedelta(); Time to wait for approval
281
approval_duration: datetime.timedelta(); Duration of one approval
234
name: string; from the config file, used in log messages and
235
D-Bus identifiers
236
fingerprint: string (40 or 32 hexadecimal digits); used to
237
uniquely identify the client
238
secret: bytestring; sent verbatim (over TLS) to client
239
host: string; available for use by the checker command
240
created: datetime.datetime(); (UTC) object creation
241
last_enabled: datetime.datetime(); (UTC)
242
enabled: bool()
243
last_checked_ok: datetime.datetime(); (UTC) or None
244
timeout: datetime.timedelta(); How long from last_checked_ok
245
until this client is invalid
246
interval: datetime.timedelta(); How often to start a new checker
247
disable_hook: If set, called by disable() as disable_hook(self)
282
248
checker: subprocess.Popen(); a running checker process used
283
249
to see if the client lives.
284
250
'None' if no process is running.
285
checker_callback_tag: a gobject event source tag, or None
286
checker_command: string; External command which is run to check
287
if client lives. %() expansions are done at
251
checker_initiator_tag: a gobject event source tag, or None
252
disable_initiator_tag: - '' -
253
checker_callback_tag: - '' -
254
checker_command: string; External command which is run to check if
255
client lives. %() expansions are done at
288
256
runtime with vars(self) as dict, so that for
289
257
instance %(name)s can be used in the command.
290
checker_initiator_tag: a gobject event source tag, or None
291
created: datetime.datetime(); (UTC) object creation
292
258
current_checker_command: string; current running checker_command
293
disable_hook: If set, called by disable() as disable_hook(self)
294
disable_initiator_tag: a gobject event source tag, or None
295
enabled: bool()
296
fingerprint: string (40 or 32 hexadecimal digits); used to
297
uniquely identify the client
298
host: string; available for use by the checker command
299
interval: datetime.timedelta(); How often to start a new checker
300
last_approval_request: datetime.datetime(); (UTC) or None
301
last_checked_ok: datetime.datetime(); (UTC) or None
302
last_enabled: datetime.datetime(); (UTC)
303
name: string; from the config file, used in log messages and
304
D-Bus identifiers
305
secret: bytestring; sent verbatim (over TLS) to client
306
timeout: datetime.timedelta(); How long from last_checked_ok
307
until this client is disabled
308
extended_timeout: extra long timeout when password has been sent
309
runtime_expansions: Allowed attributes for runtime expansion.
310
expires: datetime.datetime(); time (UTC) when a client will be
311
disabled, or None
312
259
"""
313
260
314
runtime_expansions = ("approval_delay", "approval_duration",
315
"created", "enabled", "fingerprint",
316
"host", "interval", "last_checked_ok",
317
"last_enabled", "name", "timeout")
261
@staticmethod
262
def _timedelta_to_milliseconds(td):
263
"Convert a datetime.timedelta() to milliseconds"
264
return ((td.days * 24 * 60 * 60 * 1000)
265
+ (td.seconds * 1000)
266
+ (td.microseconds // 1000))
318
267
319
268
def timeout_milliseconds(self):
320
269
"Return the 'timeout' attribute in milliseconds"
321
return _timedelta_to_milliseconds(self.timeout)
322
323
def extended_timeout_milliseconds(self):
324
"Return the 'extended_timeout' attribute in milliseconds"
325
return _timedelta_to_milliseconds(self.extended_timeout)
270
return self._timedelta_to_milliseconds(self.timeout)
326
271
327
272
def interval_milliseconds(self):
328
273
"Return the 'interval' attribute in milliseconds"
329
return _timedelta_to_milliseconds(self.interval)
330
331
def approval_delay_milliseconds(self):
332
return _timedelta_to_milliseconds(self.approval_delay)
274
return self._timedelta_to_milliseconds(self.interval)
333
275
334
276
def __init__(self, name = None, disable_hook=None, config=None):
335
277
"""Note: the 'checker' key in 'config' sets the
338
280
self.name = name
339
281
if config is None:
340
282
config = {}
341
logger.debug("Creating client %r", self.name)
283
logger.debug(u"Creating client %r", self.name)
342
284
# Uppercase and remove spaces from fingerprint for later
343
285
# comparison purposes with return value from the fingerprint()
344
286
# function
345
self.fingerprint = (config["fingerprint"].upper()
346
.replace(" ", ""))
347
logger.debug(" Fingerprint: %s", self.fingerprint)
348
if "secret" in config:
349
self.secret = config["secret"].decode("base64")
350
elif "secfile" in config:
351
with open(os.path.expanduser(os.path.expandvars
352
(config["secfile"])),
353
"rb") as secfile:
287
self.fingerprint = (config[u"fingerprint"].upper()
288
.replace(u" ", u""))
289
logger.debug(u" Fingerprint: %s", self.fingerprint)
290
if u"secret" in config:
291
self.secret = config[u"secret"].decode(u"base64")
292
elif u"secfile" in config:
293
with closing(open(os.path.expanduser
294
(os.path.expandvars
295
(config[u"secfile"])),
296
"rb")) as secfile:
354
297
self.secret = secfile.read()
355
298
else:
356
raise TypeError("No secret or secfile for client %s"
299
raise TypeError(u"No secret or secfile for client %s"
357
300
% self.name)
358
self.host = config.get("host", "")
301
self.host = config.get(u"host", u"")
359
302
self.created = datetime.datetime.utcnow()
360
303
self.enabled = False
361
self.last_approval_request = None
362
304
self.last_enabled = None
363
305
self.last_checked_ok = None
364
self.timeout = string_to_delta(config["timeout"])
365
self.extended_timeout = string_to_delta(config
366
["extended_timeout"])
367
self.interval = string_to_delta(config["interval"])
306
self.timeout = string_to_delta(config[u"timeout"])
307
self.interval = string_to_delta(config[u"interval"])
368
308
self.disable_hook = disable_hook
369
309
self.checker = None
370
310
self.checker_initiator_tag = None
371
311
self.disable_initiator_tag = None
372
self.expires = None
373
312
self.checker_callback_tag = None
374
self.checker_command = config["checker"]
313
self.checker_command = config[u"checker"]
375
314
self.current_checker_command = None
376
315
self.last_connect = None
377
self._approved = None
378
self.approved_by_default = config.get("approved_by_default",
379
True)
380
self.approvals_pending = 0
381
self.approval_delay = string_to_delta(
382
config["approval_delay"])
383
self.approval_duration = string_to_delta(
384
config["approval_duration"])
385
self.changedstate = (multiprocessing_manager
386
.Condition(multiprocessing_manager
387
.Lock()))
388
389
def send_changedstate(self):
390
self.changedstate.acquire()
391
self.changedstate.notify_all()
392
self.changedstate.release()
393
316
394
317
def enable(self):
395
318
"""Start this client's checker and timeout hooks"""
396
if getattr(self, "enabled", False):
319
if getattr(self, u"enabled", False):
397
320
# Already enabled
398
321
return
399
self.send_changedstate()
322
self.last_enabled = datetime.datetime.utcnow()
400
323
# Schedule a new checker to be started an 'interval' from now,
401
324
# and every interval from then on.
402
325
self.checker_initiator_tag = (gobject.timeout_add
403
326
(self.interval_milliseconds(),
404
327
self.start_checker))
405
328
# Schedule a disable() when 'timeout' has passed
406
self.expires = datetime.datetime.utcnow() + self.timeout
407
329
self.disable_initiator_tag = (gobject.timeout_add
408
330
(self.timeout_milliseconds(),
409
331
self.disable))
410
332
self.enabled = True
411
self.last_enabled = datetime.datetime.utcnow()
412
333
# Also start a new checker *right now*.
413
334
self.start_checker()
414
335
417
338
if not getattr(self, "enabled", False):
418
339
return False
419
340
if not quiet:
420
self.send_changedstate()
421
if not quiet:
422
logger.info("Disabling client %s", self.name)
423
if getattr(self, "disable_initiator_tag", False):
341
logger.info(u"Disabling client %s", self.name)
342
if getattr(self, u"disable_initiator_tag", False):
424
343
gobject.source_remove(self.disable_initiator_tag)
425
344
self.disable_initiator_tag = None
426
self.expires = None
427
if getattr(self, "checker_initiator_tag", False):
345
if getattr(self, u"checker_initiator_tag", False):
428
346
gobject.source_remove(self.checker_initiator_tag)
429
347
self.checker_initiator_tag = None
430
348
self.stop_checker()
445
363
if os.WIFEXITED(condition):
446
364
exitstatus = os.WEXITSTATUS(condition)
447
365
if exitstatus == 0:
448
logger.info("Checker for %(name)s succeeded",
366
logger.info(u"Checker for %(name)s succeeded",
449
367
vars(self))
450
368
self.checked_ok()
451
369
else:
452
logger.info("Checker for %(name)s failed",
370
logger.info(u"Checker for %(name)s failed",
453
371
vars(self))
454
372
else:
455
logger.warning("Checker for %(name)s crashed?",
373
logger.warning(u"Checker for %(name)s crashed?",
456
374
vars(self))
457
375
458
def checked_ok(self, timeout=None):
376
def checked_ok(self):
459
377
"""Bump up the timeout for this client.
460
378
461
379
This should only be called when the client has been seen,
462
380
alive and well.
463
381
"""
464
if timeout is None:
465
timeout = self.timeout
466
382
self.last_checked_ok = datetime.datetime.utcnow()
467
if self.disable_initiator_tag is not None:
468
gobject.source_remove(self.disable_initiator_tag)
469
if getattr(self, "enabled", False):
470
self.disable_initiator_tag = (gobject.timeout_add
471
(_timedelta_to_milliseconds
472
(timeout), self.disable))
473
self.expires = datetime.datetime.utcnow() + timeout
474
475
def need_approval(self):
476
self.last_approval_request = datetime.datetime.utcnow()
383
gobject.source_remove(self.disable_initiator_tag)
384
self.disable_initiator_tag = (gobject.timeout_add
385
(self.timeout_milliseconds(),
386
self.disable))
477
387
478
388
def start_checker(self):
479
389
"""Start a new checker subprocess if one is not running.
486
396
# client would inevitably timeout, since no checker would get
487
397
# a chance to run to completion. If we instead leave running
488
398
# checkers alone, the checker would have to take more time
489
# than 'timeout' for the client to be disabled, which is as it
490
# should be.
399
# than 'timeout' for the client to be declared invalid, which
400
# is as it should be.
491
401
492
402
# If a checker exists, make sure it is not a zombie
493
403
try:
494
404
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
495
except (AttributeError, OSError) as error:
405
except (AttributeError, OSError), error:
496
406
if (isinstance(error, OSError)
497
407
and error.errno != errno.ECHILD):
498
408
raise error
499
409
else:
500
410
if pid:
501
logger.warning("Checker was a zombie")
411
logger.warning(u"Checker was a zombie")
502
412
gobject.source_remove(self.checker_callback_tag)
503
413
self.checker_callback(pid, status,
504
414
self.current_checker_command)
509
419
command = self.checker_command % self.host
510
420
except TypeError:
511
421
# Escape attributes for the shell
512
escaped_attrs = dict(
513
(attr,
514
re.escape(unicode(str(getattr(self, attr, "")),
515
errors=
516
'replace')))
517
for attr in
518
self.runtime_expansions)
519
422
escaped_attrs = dict((key,
423
re.escape(unicode(str(val),
424
errors=
425
u'replace')))
426
for key, val in
427
vars(self).iteritems())
520
428
try:
521
429
command = self.checker_command % escaped_attrs
522
except TypeError as error:
523
logger.error('Could not format string "%s":'
524
' %s', self.checker_command, error)
430
except TypeError, error:
431
logger.error(u'Could not format string "%s":'
432
u' %s', self.checker_command, error)
525
433
return True # Try again later
526
434
self.current_checker_command = command
527
435
try:
528
logger.info("Starting checker %r for %s",
436
logger.info(u"Starting checker %r for %s",
529
437
command, self.name)
530
438
# We don't need to redirect stdout and stderr, since
531
439
# in normal mode, that is already done by daemon(),
533
441
# always replaced by /dev/null.)
534
442
self.checker = subprocess.Popen(command,
535
443
close_fds=True,
536
shell=True, cwd="/")
444
shell=True, cwd=u"/")
537
445
self.checker_callback_tag = (gobject.child_watch_add
538
446
(self.checker.pid,
539
447
self.checker_callback,
544
452
if pid:
545
453
gobject.source_remove(self.checker_callback_tag)
546
454
self.checker_callback(pid, status, command)
547
except OSError as error:
548
logger.error("Failed to start subprocess: %s",
455
except OSError, error:
456
logger.error(u"Failed to start subprocess: %s",
549
457
error)
550
458
# Re-run this periodically if run by gobject.timeout_add
551
459
return True
555
463
if self.checker_callback_tag:
556
464
gobject.source_remove(self.checker_callback_tag)
557
465
self.checker_callback_tag = None
558
if getattr(self, "checker", None) is None:
466
if getattr(self, u"checker", None) is None:
559
467
return
560
logger.debug("Stopping checker for %(name)s", vars(self))
468
logger.debug(u"Stopping checker for %(name)s", vars(self))
561
469
try:
562
470
os.kill(self.checker.pid, signal.SIGTERM)
563
471
#time.sleep(0.5)
564
472
#if self.checker.poll() is None:
565
473
# os.kill(self.checker.pid, signal.SIGKILL)
566
except OSError as error:
474
except OSError, error:
567
475
if error.errno != errno.ESRCH: # No such process
568
476
raise
569
477
self.checker = None
570
571
572
def dbus_service_property(dbus_interface, signature="v",
573
access="readwrite", byte_arrays=False):
478
479
def still_valid(self):
480
"""Has the timeout not yet passed for this client?"""
481
if not getattr(self, u"enabled", False):
482
return False
483
now = datetime.datetime.utcnow()
484
if self.last_checked_ok is None:
485
return now < (self.created + self.timeout)
486
else:
487
return now < (self.last_checked_ok + self.timeout)
488
489
490
def dbus_service_property(dbus_interface, signature=u"v",
491
access=u"readwrite", byte_arrays=False):
574
492
"""Decorators for marking methods of a DBusObjectWithProperties to
575
493
become properties on the D-Bus.
576
494
581
499
dbus.service.method, except there is only "signature", since the
582
500
type from Get() and the type sent to Set() is the same.
583
501
"""
584
# Encoding deeply encoded byte arrays is not supported yet by the
585
# "Set" method, so we fail early here:
586
if byte_arrays and signature != "ay":
587
raise ValueError("Byte arrays not supported for non-'ay'"
588
" signature %r" % signature)
589
502
def decorator(func):
590
503
func._dbus_is_property = True
591
504
func._dbus_interface = dbus_interface
592
505
func._dbus_signature = signature
593
506
func._dbus_access = access
594
507
func._dbus_name = func.__name__
595
if func._dbus_name.endswith("_dbus_property"):
508
if func._dbus_name.endswith(u"_dbus_property"):
596
509
func._dbus_name = func._dbus_name[:-14]
597
func._dbus_get_args_options = {'byte_arrays': byte_arrays }
510
func._dbus_get_args_options = {u'byte_arrays': byte_arrays }
598
511
return func
599
512
return decorator
600
513
620
533
621
534
class DBusObjectWithProperties(dbus.service.Object):
622
535
"""A D-Bus object with properties.
623
536
624
537
Classes inheriting from this can use the dbus_service_property
625
538
decorator to expose methods as D-Bus properties. It exposes the
626
539
standard Get(), Set(), and GetAll() methods on the D-Bus.
628
541
629
542
@staticmethod
630
543
def _is_dbus_property(obj):
631
return getattr(obj, "_dbus_is_property", False)
544
return getattr(obj, u"_dbus_is_property", False)
632
545
633
546
def _get_all_dbus_properties(self):
634
547
"""Returns a generator of (name, attribute) pairs
635
548
"""
636
return ((prop.__get__(self)._dbus_name, prop.__get__(self))
637
for cls in self.__class__.__mro__
549
return ((prop._dbus_name, prop)
638
550
for name, prop in
639
inspect.getmembers(cls, self._is_dbus_property))
551
inspect.getmembers(self, self._is_dbus_property))
640
552
641
553
def _get_dbus_property(self, interface_name, property_name):
642
554
"""Returns a bound method if one exists which is a D-Bus
643
555
property with the specified name and interface.
644
556
"""
645
for cls in self.__class__.__mro__:
646
for name, value in (inspect.getmembers
647
(cls, self._is_dbus_property)):
648
if (value._dbus_name == property_name
649
and value._dbus_interface == interface_name):
650
return value.__get__(self)
651
557
for name in (property_name,
558
property_name + u"_dbus_property"):
559
prop = getattr(self, name, None)
560
if (prop is None
561
or not self._is_dbus_property(prop)
562
or prop._dbus_name != property_name
563
or (interface_name and prop._dbus_interface
564
and interface_name != prop._dbus_interface)):
565
continue
566
return prop
652
567
# No such property
653
raise DBusPropertyNotFound(self.dbus_object_path + ":"
654
+ interface_name + "."
568
raise DBusPropertyNotFound(self.dbus_object_path + u":"
569
+ interface_name + u"."
655
570
+ property_name)
656
571
657
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ss",
658
out_signature="v")
572
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ss",
573
out_signature=u"v")
659
574
def Get(self, interface_name, property_name):
660
575
"""Standard D-Bus property Get() method, see D-Bus standard.
661
576
"""
662
577
prop = self._get_dbus_property(interface_name, property_name)
663
if prop._dbus_access == "write":
578
if prop._dbus_access == u"write":
664
579
raise DBusPropertyAccessException(property_name)
665
580
value = prop()
666
if not hasattr(value, "variant_level"):
581
if not hasattr(value, u"variant_level"):
667
582
return value
668
583
return type(value)(value, variant_level=value.variant_level+1)
669
584
670
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ssv")
585
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ssv")
671
586
def Set(self, interface_name, property_name, value):
672
587
"""Standard D-Bus property Set() method, see D-Bus standard.
673
588
"""
674
589
prop = self._get_dbus_property(interface_name, property_name)
675
if prop._dbus_access == "read":
590
if prop._dbus_access == u"read":
676
591
raise DBusPropertyAccessException(property_name)
677
if prop._dbus_get_args_options["byte_arrays"]:
678
# The byte_arrays option is not supported yet on
679
# signatures other than "ay".
680
if prop._dbus_signature != "ay":
681
raise ValueError
592
if prop._dbus_get_args_options[u"byte_arrays"]:
682
593
value = dbus.ByteArray(''.join(unichr(byte)
683
594
for byte in value))
684
595
prop(value)
685
596
686
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="s",
687
out_signature="a{sv}")
597
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"s",
598
out_signature=u"a{sv}")
688
599
def GetAll(self, interface_name):
689
600
"""Standard D-Bus property GetAll() method, see D-Bus
690
601
standard.
691
602
692
603
Note: Will not include properties with access="write".
693
604
"""
694
605
all = {}
698
609
# Interface non-empty but did not match
699
610
continue
700
611
# Ignore write-only properties
701
if prop._dbus_access == "write":
612
if prop._dbus_access == u"write":
702
613
continue
703
614
value = prop()
704
if not hasattr(value, "variant_level"):
615
if not hasattr(value, u"variant_level"):
705
616
all[name] = value
706
617
continue
707
618
all[name] = type(value)(value, variant_level=
708
619
value.variant_level+1)
709
return dbus.Dictionary(all, signature="sv")
620
return dbus.Dictionary(all, signature=u"sv")
710
621
711
622
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
712
out_signature="s",
623
out_signature=u"s",
713
624
path_keyword='object_path',
714
625
connection_keyword='connection')
715
626
def Introspect(self, object_path, connection):
720
631
try:
721
632
document = xml.dom.minidom.parseString(xmlstring)
722
633
def make_tag(document, name, prop):
723
e = document.createElement("property")
724
e.setAttribute("name", name)
725
e.setAttribute("type", prop._dbus_signature)
726
e.setAttribute("access", prop._dbus_access)
634
e = document.createElement(u"property")
635
e.setAttribute(u"name", name)
636
e.setAttribute(u"type", prop._dbus_signature)
637
e.setAttribute(u"access", prop._dbus_access)
727
638
return e
728
for if_tag in document.getElementsByTagName("interface"):
639
for if_tag in document.getElementsByTagName(u"interface"):
729
640
for tag in (make_tag(document, name, prop)
730
641
for name, prop
731
642
in self._get_all_dbus_properties()
732
643
if prop._dbus_interface
733
== if_tag.getAttribute("name")):
644
== if_tag.getAttribute(u"name")):
734
645
if_tag.appendChild(tag)
735
646
# Add the names to the return values for the
736
647
# "org.freedesktop.DBus.Properties" methods
737
if (if_tag.getAttribute("name")
738
== "org.freedesktop.DBus.Properties"):
739
for cn in if_tag.getElementsByTagName("method"):
740
if cn.getAttribute("name") == "Get":
741
for arg in cn.getElementsByTagName("arg"):
742
if (arg.getAttribute("direction")
743
== "out"):
744
arg.setAttribute("name", "value")
745
elif cn.getAttribute("name") == "GetAll":
746
for arg in cn.getElementsByTagName("arg"):
747
if (arg.getAttribute("direction")
748
== "out"):
749
arg.setAttribute("name", "props")
750
xmlstring = document.toxml("utf-8")
648
if (if_tag.getAttribute(u"name")
649
== u"org.freedesktop.DBus.Properties"):
650
for cn in if_tag.getElementsByTagName(u"method"):
651
if cn.getAttribute(u"name") == u"Get":
652
for arg in cn.getElementsByTagName(u"arg"):
653
if (arg.getAttribute(u"direction")
654
== u"out"):
655
arg.setAttribute(u"name", u"value")
656
elif cn.getAttribute(u"name") == u"GetAll":
657
for arg in cn.getElementsByTagName(u"arg"):
658
if (arg.getAttribute(u"direction")
659
== u"out"):
660
arg.setAttribute(u"name", u"props")
661
xmlstring = document.toxml(u"utf-8")
751
662
document.unlink()
752
663
except (AttributeError, xml.dom.DOMException,
753
xml.parsers.expat.ExpatError) as error:
754
logger.error("Failed to override Introspection method",
664
xml.parsers.expat.ExpatError), error:
665
logger.error(u"Failed to override Introspection method",
755
666
error)
756
667
return xmlstring
757
668
758
669
759
def datetime_to_dbus (dt, variant_level=0):
760
"""Convert a UTC datetime.datetime() to a D-Bus type."""
761
if dt is None:
762
return dbus.String("", variant_level = variant_level)
763
return dbus.String(dt.isoformat(),
764
variant_level=variant_level)
765
766
class AlternateDBusNamesMetaclass(DBusObjectWithProperties
767
.__metaclass__):
768
"""Applied to an empty subclass of a D-Bus object, this metaclass
769
will add additional D-Bus attributes matching a certain pattern.
770
"""
771
def __new__(mcs, name, bases, attr):
772
# Go through all the base classes which could have D-Bus
773
# methods, signals, or properties in them
774
for base in (b for b in bases
775
if issubclass(b, dbus.service.Object)):
776
# Go though all attributes of the base class
777
for attrname, attribute in inspect.getmembers(base):
778
# Ignore non-D-Bus attributes, and D-Bus attributes
779
# with the wrong interface name
780
if (not hasattr(attribute, "_dbus_interface")
781
or not attribute._dbus_interface
782
.startswith("se.recompile.Mandos")):
783
continue
784
# Create an alternate D-Bus interface name based on
785
# the current name
786
alt_interface = (attribute._dbus_interface
787
.replace("se.recompile.Mandos",
788
"se.bsnet.fukt.Mandos"))
789
# Is this a D-Bus signal?
790
if getattr(attribute, "_dbus_is_signal", False):
791
# Extract the original non-method function by
792
# black magic
793
nonmethod_func = (dict(
794
zip(attribute.func_code.co_freevars,
795
attribute.__closure__))["func"]
796
.cell_contents)
797
# Create a new, but exactly alike, function
798
# object, and decorate it to be a new D-Bus signal
799
# with the alternate D-Bus interface name
800
new_function = (dbus.service.signal
801
(alt_interface,
802
attribute._dbus_signature)
803
(types.FunctionType(
804
nonmethod_func.func_code,
805
nonmethod_func.func_globals,
806
nonmethod_func.func_name,
807
nonmethod_func.func_defaults,
808
nonmethod_func.func_closure)))
809
# Define a creator of a function to call both the
810
# old and new functions, so both the old and new
811
# signals gets sent when the function is called
812
def fixscope(func1, func2):
813
"""This function is a scope container to pass
814
func1 and func2 to the "call_both" function
815
outside of its arguments"""
816
def call_both(*args, **kwargs):
817
"""This function will emit two D-Bus
818
signals by calling func1 and func2"""
819
func1(*args, **kwargs)
820
func2(*args, **kwargs)
821
return call_both
822
# Create the "call_both" function and add it to
823
# the class
824
attr[attrname] = fixscope(attribute,
825
new_function)
826
# Is this a D-Bus method?
827
elif getattr(attribute, "_dbus_is_method", False):
828
# Create a new, but exactly alike, function
829
# object. Decorate it to be a new D-Bus method
830
# with the alternate D-Bus interface name. Add it
831
# to the class.
832
attr[attrname] = (dbus.service.method
833
(alt_interface,
834
attribute._dbus_in_signature,
835
attribute._dbus_out_signature)
836
(types.FunctionType
837
(attribute.func_code,
838
attribute.func_globals,
839
attribute.func_name,
840
attribute.func_defaults,
841
attribute.func_closure)))
842
# Is this a D-Bus property?
843
elif getattr(attribute, "_dbus_is_property", False):
844
# Create a new, but exactly alike, function
845
# object, and decorate it to be a new D-Bus
846
# property with the alternate D-Bus interface
847
# name. Add it to the class.
848
attr[attrname] = (dbus_service_property
849
(alt_interface,
850
attribute._dbus_signature,
851
attribute._dbus_access,
852
attribute
853
._dbus_get_args_options
854
["byte_arrays"])
855
(types.FunctionType
856
(attribute.func_code,
857
attribute.func_globals,
858
attribute.func_name,
859
attribute.func_defaults,
860
attribute.func_closure)))
861
return type.__new__(mcs, name, bases, attr)
862
863
670
class ClientDBus(Client, DBusObjectWithProperties):
864
671
"""A Client class using D-Bus
865
672
867
674
dbus_object_path: dbus.ObjectPath
868
675
bus: dbus.SystemBus()
869
676
"""
870
871
runtime_expansions = (Client.runtime_expansions
872
+ ("dbus_object_path",))
873
874
677
# dbus.service.Object doesn't use super(), so we can't either.
875
678
876
679
def __init__(self, bus = None, *args, **kwargs):
877
self._approvals_pending = 0
878
680
self.bus = bus
879
681
Client.__init__(self, *args, **kwargs)
880
682
# Only now, when this client is initialized, can it show up on
881
683
# the D-Bus
882
client_object_name = unicode(self.name).translate(
883
{ord("."): ord("_"),
884
ord("-"): ord("_")})
885
684
self.dbus_object_path = (dbus.ObjectPath
886
("/clients/" + client_object_name))
685
(u"/clients/"
686
+ self.name.replace(u".", u"_")))
887
687
DBusObjectWithProperties.__init__(self, self.bus,
888
688
self.dbus_object_path)
889
890
def notifychangeproperty(transform_func,
891
dbus_name, type_func=lambda x: x,
892
variant_level=1):
893
""" Modify a variable so that it's a property which announces
894
its changes to DBus.
895
896
transform_fun: Function that takes a value and a variant_level
897
and transforms it to a D-Bus type.
898
dbus_name: D-Bus name of the variable
899
type_func: Function that transform the value before sending it
900
to the D-Bus. Default: no transform
901
variant_level: D-Bus variant level. Default: 1
902
"""
903
attrname = "_{0}".format(dbus_name)
904
def setter(self, value):
905
if hasattr(self, "dbus_object_path"):
906
if (not hasattr(self, attrname) or
907
type_func(getattr(self, attrname, None))
908
!= type_func(value)):
909
dbus_value = transform_func(type_func(value),
910
variant_level
911
=variant_level)
912
self.PropertyChanged(dbus.String(dbus_name),
913
dbus_value)
914
setattr(self, attrname, value)
915
916
return property(lambda self: getattr(self, attrname), setter)
917
918
919
expires = notifychangeproperty(datetime_to_dbus, "Expires")
920
approvals_pending = notifychangeproperty(dbus.Boolean,
921
"ApprovalPending",
922
type_func = bool)
923
enabled = notifychangeproperty(dbus.Boolean, "Enabled")
924
last_enabled = notifychangeproperty(datetime_to_dbus,
925
"LastEnabled")
926
checker = notifychangeproperty(dbus.Boolean, "CheckerRunning",
927
type_func = lambda checker:
928
checker is not None)
929
last_checked_ok = notifychangeproperty(datetime_to_dbus,
930
"LastCheckedOK")
931
last_approval_request = notifychangeproperty(
932
datetime_to_dbus, "LastApprovalRequest")
933
approved_by_default = notifychangeproperty(dbus.Boolean,
934
"ApprovedByDefault")
935
approval_delay = notifychangeproperty(dbus.UInt16,
936
"ApprovalDelay",
937
type_func =
938
_timedelta_to_milliseconds)
939
approval_duration = notifychangeproperty(
940
dbus.UInt16, "ApprovalDuration",
941
type_func = _timedelta_to_milliseconds)
942
host = notifychangeproperty(dbus.String, "Host")
943
timeout = notifychangeproperty(dbus.UInt16, "Timeout",
944
type_func =
945
_timedelta_to_milliseconds)
946
extended_timeout = notifychangeproperty(
947
dbus.UInt16, "ExtendedTimeout",
948
type_func = _timedelta_to_milliseconds)
949
interval = notifychangeproperty(dbus.UInt16,
950
"Interval",
951
type_func =
952
_timedelta_to_milliseconds)
953
checker_command = notifychangeproperty(dbus.String, "Checker")
954
955
del notifychangeproperty
689
690
@staticmethod
691
def _datetime_to_dbus(dt, variant_level=0):
692
"""Convert a UTC datetime.datetime() to a D-Bus type."""
693
return dbus.String(dt.isoformat(),
694
variant_level=variant_level)
695
696
def enable(self):
697
oldstate = getattr(self, u"enabled", False)
698
r = Client.enable(self)
699
if oldstate != self.enabled:
700
# Emit D-Bus signals
701
self.PropertyChanged(dbus.String(u"enabled"),
702
dbus.Boolean(True, variant_level=1))
703
self.PropertyChanged(
704
dbus.String(u"last_enabled"),
705
self._datetime_to_dbus(self.last_enabled,
706
variant_level=1))
707
return r
708
709
def disable(self, quiet = False):
710
oldstate = getattr(self, u"enabled", False)
711
r = Client.disable(self, quiet=quiet)
712
if not quiet and oldstate != self.enabled:
713
# Emit D-Bus signal
714
self.PropertyChanged(dbus.String(u"enabled"),
715
dbus.Boolean(False, variant_level=1))
716
return r
956
717
957
718
def __del__(self, *args, **kwargs):
958
719
try:
959
720
self.remove_from_connection()
960
721
except LookupError:
961
722
pass
962
if hasattr(DBusObjectWithProperties, "__del__"):
723
if hasattr(DBusObjectWithProperties, u"__del__"):
963
724
DBusObjectWithProperties.__del__(self, *args, **kwargs)
964
725
Client.__del__(self, *args, **kwargs)
965
726
967
728
*args, **kwargs):
968
729
self.checker_callback_tag = None
969
730
self.checker = None
731
# Emit D-Bus signal
732
self.PropertyChanged(dbus.String(u"checker_running"),
733
dbus.Boolean(False, variant_level=1))
970
734
if os.WIFEXITED(condition):
971
735
exitstatus = os.WEXITSTATUS(condition)
972
736
# Emit D-Bus signal
982
746
return Client.checker_callback(self, pid, condition, command,
983
747
*args, **kwargs)
984
748
749
def checked_ok(self, *args, **kwargs):
750
r = Client.checked_ok(self, *args, **kwargs)
751
# Emit D-Bus signal
752
self.PropertyChanged(
753
dbus.String(u"last_checked_ok"),
754
(self._datetime_to_dbus(self.last_checked_ok,
755
variant_level=1)))
756
return r
757
985
758
def start_checker(self, *args, **kwargs):
986
759
old_checker = self.checker
987
760
if self.checker is not None:
994
767
and old_checker_pid != self.checker.pid):
995
768
# Emit D-Bus signal
996
769
self.CheckerStarted(self.current_checker_command)
997
return r
998
999
def _reset_approved(self):
1000
self._approved = None
1001
return False
1002
1003
def approve(self, value=True):
1004
self.send_changedstate()
1005
self._approved = value
1006
gobject.timeout_add(_timedelta_to_milliseconds
1007
(self.approval_duration),
1008
self._reset_approved)
1009
1010
1011
## D-Bus methods, signals & properties
1012
_interface = "se.recompile.Mandos.Client"
1013
1014
## Signals
770
self.PropertyChanged(
771
dbus.String(u"checker_running"),
772
dbus.Boolean(True, variant_level=1))
773
return r
774
775
def stop_checker(self, *args, **kwargs):
776
old_checker = getattr(self, u"checker", None)
777
r = Client.stop_checker(self, *args, **kwargs)
778
if (old_checker is not None
779
and getattr(self, u"checker", None) is None):
780
self.PropertyChanged(dbus.String(u"checker_running"),
781
dbus.Boolean(False, variant_level=1))
782
return r
783
784
## D-Bus methods & signals
785
_interface = u"se.bsnet.fukt.Mandos.Client"
786
787
# CheckedOK - method
788
@dbus.service.method(_interface)
789
def CheckedOK(self):
790
return self.checked_ok()
1015
791
1016
792
# CheckerCompleted - signal
1017
@dbus.service.signal(_interface, signature="nxs")
793
@dbus.service.signal(_interface, signature=u"nxs")
1018
794
def CheckerCompleted(self, exitcode, waitstatus, command):
1019
795
"D-Bus signal"
1020
796
pass
1021
797
1022
798
# CheckerStarted - signal
1023
@dbus.service.signal(_interface, signature="s")
799
@dbus.service.signal(_interface, signature=u"s")
1024
800
def CheckerStarted(self, command):
1025
801
"D-Bus signal"
1026
802
pass
1027
803
1028
804
# PropertyChanged - signal
1029
@dbus.service.signal(_interface, signature="sv")
805
@dbus.service.signal(_interface, signature=u"sv")
1030
806
def PropertyChanged(self, property, value):
1031
807
"D-Bus signal"
1032
808
pass
1034
810
# GotSecret - signal
1035
811
@dbus.service.signal(_interface)
1036
812
def GotSecret(self):
1037
"""D-Bus signal
1038
Is sent after a successful transfer of secret from the Mandos
1039
server to mandos-client
1040
"""
813
"D-Bus signal"
1041
814
pass
1042
815
1043
816
# Rejected - signal
1044
@dbus.service.signal(_interface, signature="s")
1045
def Rejected(self, reason):
817
@dbus.service.signal(_interface)
818
def Rejected(self):
1046
819
"D-Bus signal"
1047
820
pass
1048
821
1049
# NeedApproval - signal
1050
@dbus.service.signal(_interface, signature="tb")
1051
def NeedApproval(self, timeout, default):
1052
"D-Bus signal"
1053
return self.need_approval()
1054
1055
## Methods
1056
1057
# Approve - method
1058
@dbus.service.method(_interface, in_signature="b")
1059
def Approve(self, value):
1060
self.approve(value)
1061
1062
# CheckedOK - method
1063
@dbus.service.method(_interface)
1064
def CheckedOK(self):
1065
self.checked_ok()
1066
1067
822
# Enable - method
1068
823
@dbus.service.method(_interface)
1069
824
def Enable(self):
1087
842
def StopChecker(self):
1088
843
self.stop_checker()
1089
844
1090
## Properties
1091
1092
# ApprovalPending - property
1093
@dbus_service_property(_interface, signature="b", access="read")
1094
def ApprovalPending_dbus_property(self):
1095
return dbus.Boolean(bool(self.approvals_pending))
1096
1097
# ApprovedByDefault - property
1098
@dbus_service_property(_interface, signature="b",
1099
access="readwrite")
1100
def ApprovedByDefault_dbus_property(self, value=None):
1101
if value is None: # get
1102
return dbus.Boolean(self.approved_by_default)
1103
self.approved_by_default = bool(value)
1104
1105
# ApprovalDelay - property
1106
@dbus_service_property(_interface, signature="t",
1107
access="readwrite")
1108
def ApprovalDelay_dbus_property(self, value=None):
1109
if value is None: # get
1110
return dbus.UInt64(self.approval_delay_milliseconds())
1111
self.approval_delay = datetime.timedelta(0, 0, 0, value)
1112
1113
# ApprovalDuration - property
1114
@dbus_service_property(_interface, signature="t",
1115
access="readwrite")
1116
def ApprovalDuration_dbus_property(self, value=None):
1117
if value is None: # get
1118
return dbus.UInt64(_timedelta_to_milliseconds(
1119
self.approval_duration))
1120
self.approval_duration = datetime.timedelta(0, 0, 0, value)
1121
1122
# Name - property
1123
@dbus_service_property(_interface, signature="s", access="read")
1124
def Name_dbus_property(self):
845
# name - property
846
@dbus_service_property(_interface, signature=u"s", access=u"read")
847
def name_dbus_property(self):
1125
848
return dbus.String(self.name)
1126
849
1127
# Fingerprint - property
1128
@dbus_service_property(_interface, signature="s", access="read")
1129
def Fingerprint_dbus_property(self):
850
# fingerprint - property
851
@dbus_service_property(_interface, signature=u"s", access=u"read")
852
def fingerprint_dbus_property(self):
1130
853
return dbus.String(self.fingerprint)
1131
854
1132
# Host - property
1133
@dbus_service_property(_interface, signature="s",
1134
access="readwrite")
1135
def Host_dbus_property(self, value=None):
855
# host - property
856
@dbus_service_property(_interface, signature=u"s",
857
access=u"readwrite")
858
def host_dbus_property(self, value=None):
1136
859
if value is None: # get
1137
860
return dbus.String(self.host)
1138
861
self.host = value
1139
1140
# Created - property
1141
@dbus_service_property(_interface, signature="s", access="read")
1142
def Created_dbus_property(self):
1143
return dbus.String(datetime_to_dbus(self.created))
1144
1145
# LastEnabled - property
1146
@dbus_service_property(_interface, signature="s", access="read")
1147
def LastEnabled_dbus_property(self):
1148
return datetime_to_dbus(self.last_enabled)
1149
1150
# Enabled - property
1151
@dbus_service_property(_interface, signature="b",
1152
access="readwrite")
1153
def Enabled_dbus_property(self, value=None):
862
# Emit D-Bus signal
863
self.PropertyChanged(dbus.String(u"host"),
864
dbus.String(value, variant_level=1))
865
866
# created - property
867
@dbus_service_property(_interface, signature=u"s", access=u"read")
868
def created_dbus_property(self):
869
return dbus.String(self._datetime_to_dbus(self.created))
870
871
# last_enabled - property
872
@dbus_service_property(_interface, signature=u"s", access=u"read")
873
def last_enabled_dbus_property(self):
874
if self.last_enabled is None:
875
return dbus.String(u"")
876
return dbus.String(self._datetime_to_dbus(self.last_enabled))
877
878
# enabled - property
879
@dbus_service_property(_interface, signature=u"b",
880
access=u"readwrite")
881
def enabled_dbus_property(self, value=None):
1154
882
if value is None: # get
1155
883
return dbus.Boolean(self.enabled)
1156
884
if value:
1158
886
else:
1159
887
self.disable()
1160
888
1161
# LastCheckedOK - property
1162
@dbus_service_property(_interface, signature="s",
1163
access="readwrite")
1164
def LastCheckedOK_dbus_property(self, value=None):
889
# last_checked_ok - property
890
@dbus_service_property(_interface, signature=u"s",
891
access=u"readwrite")
892
def last_checked_ok_dbus_property(self, value=None):
1165
893
if value is not None:
1166
894
self.checked_ok()
1167
895
return
1168
return datetime_to_dbus(self.last_checked_ok)
1169
1170
# Expires - property
1171
@dbus_service_property(_interface, signature="s", access="read")
1172
def Expires_dbus_property(self):
1173
return datetime_to_dbus(self.expires)
1174
1175
# LastApprovalRequest - property
1176
@dbus_service_property(_interface, signature="s", access="read")
1177
def LastApprovalRequest_dbus_property(self):
1178
return datetime_to_dbus(self.last_approval_request)
1179
1180
# Timeout - property
1181
@dbus_service_property(_interface, signature="t",
1182
access="readwrite")
1183
def Timeout_dbus_property(self, value=None):
896
if self.last_checked_ok is None:
897
return dbus.String(u"")
898
return dbus.String(self._datetime_to_dbus(self
899
.last_checked_ok))
900
901
# timeout - property
902
@dbus_service_property(_interface, signature=u"t",
903
access=u"readwrite")
904
def timeout_dbus_property(self, value=None):
1184
905
if value is None: # get
1185
906
return dbus.UInt64(self.timeout_milliseconds())
1186
907
self.timeout = datetime.timedelta(0, 0, 0, value)
1187
if getattr(self, "disable_initiator_tag", None) is None:
908
# Emit D-Bus signal
909
self.PropertyChanged(dbus.String(u"timeout"),
910
dbus.UInt64(value, variant_level=1))
911
if getattr(self, u"disable_initiator_tag", None) is None:
1188
912
return
1189
913
# Reschedule timeout
1190
914
gobject.source_remove(self.disable_initiator_tag)
1191
915
self.disable_initiator_tag = None
1192
self.expires = None
1193
time_to_die = _timedelta_to_milliseconds((self
1194
.last_checked_ok
1195
+ self.timeout)
1196
- datetime.datetime
1197
.utcnow())
916
time_to_die = (self.
917
_timedelta_to_milliseconds((self
918
.last_checked_ok
919
+ self.timeout)
920
- datetime.datetime
921
.utcnow()))
1198
922
if time_to_die <= 0:
1199
923
# The timeout has passed
1200
924
self.disable()
1201
925
else:
1202
self.expires = (datetime.datetime.utcnow()
1203
+ datetime.timedelta(milliseconds =
1204
time_to_die))
1205
926
self.disable_initiator_tag = (gobject.timeout_add
1206
927
(time_to_die, self.disable))
1207
928
1208
# ExtendedTimeout - property
1209
@dbus_service_property(_interface, signature="t",
1210
access="readwrite")
1211
def ExtendedTimeout_dbus_property(self, value=None):
1212
if value is None: # get
1213
return dbus.UInt64(self.extended_timeout_milliseconds())
1214
self.extended_timeout = datetime.timedelta(0, 0, 0, value)
1215
1216
# Interval - property
1217
@dbus_service_property(_interface, signature="t",
1218
access="readwrite")
1219
def Interval_dbus_property(self, value=None):
929
# interval - property
930
@dbus_service_property(_interface, signature=u"t",
931
access=u"readwrite")
932
def interval_dbus_property(self, value=None):
1220
933
if value is None: # get
1221
934
return dbus.UInt64(self.interval_milliseconds())
1222
935
self.interval = datetime.timedelta(0, 0, 0, value)
1223
if getattr(self, "checker_initiator_tag", None) is None:
936
# Emit D-Bus signal
937
self.PropertyChanged(dbus.String(u"interval"),
938
dbus.UInt64(value, variant_level=1))
939
if getattr(self, u"checker_initiator_tag", None) is None:
1224
940
return
1225
941
# Reschedule checker run
1226
942
gobject.source_remove(self.checker_initiator_tag)
1227
943
self.checker_initiator_tag = (gobject.timeout_add
1228
944
(value, self.start_checker))
1229
945
self.start_checker() # Start one now, too
1230
1231
# Checker - property
1232
@dbus_service_property(_interface, signature="s",
1233
access="readwrite")
1234
def Checker_dbus_property(self, value=None):
946
947
# checker - property
948
@dbus_service_property(_interface, signature=u"s",
949
access=u"readwrite")
950
def checker_dbus_property(self, value=None):
1235
951
if value is None: # get
1236
952
return dbus.String(self.checker_command)
1237
953
self.checker_command = value
954
# Emit D-Bus signal
955
self.PropertyChanged(dbus.String(u"checker"),
956
dbus.String(self.checker_command,
957
variant_level=1))
1238
958
1239
# CheckerRunning - property
1240
@dbus_service_property(_interface, signature="b",
1241
access="readwrite")
1242
def CheckerRunning_dbus_property(self, value=None):
959
# checker_running - property
960
@dbus_service_property(_interface, signature=u"b",
961
access=u"readwrite")
962
def checker_running_dbus_property(self, value=None):
1243
963
if value is None: # get
1244
964
return dbus.Boolean(self.checker is not None)
1245
965
if value:
1247
967
else:
1248
968
self.stop_checker()
1249
969
1250
# ObjectPath - property
1251
@dbus_service_property(_interface, signature="o", access="read")
1252
def ObjectPath_dbus_property(self):
970
# object_path - property
971
@dbus_service_property(_interface, signature=u"o", access=u"read")
972
def object_path_dbus_property(self):
1253
973
return self.dbus_object_path # is already a dbus.ObjectPath
1254
974
1255
# Secret = property
1256
@dbus_service_property(_interface, signature="ay",
1257
access="write", byte_arrays=True)
1258
def Secret_dbus_property(self, value):
975
# secret = property
976
@dbus_service_property(_interface, signature=u"ay",
977
access=u"write", byte_arrays=True)
978
def secret_dbus_property(self, value):
1259
979
self.secret = str(value)
1260
980
1261
981
del _interface
1262
982
1263
983
1264
class ProxyClient(object):
1265
def __init__(self, child_pipe, fpr, address):
1266
self._pipe = child_pipe
1267
self._pipe.send(('init', fpr, address))
1268
if not self._pipe.recv():
1269
raise KeyError()
1270
1271
def __getattribute__(self, name):
1272
if(name == '_pipe'):
1273
return super(ProxyClient, self).__getattribute__(name)
1274
self._pipe.send(('getattr', name))
1275
data = self._pipe.recv()
1276
if data[0] == 'data':
1277
return data[1]
1278
if data[0] == 'function':
1279
def func(*args, **kwargs):
1280
self._pipe.send(('funcall', name, args, kwargs))
1281
return self._pipe.recv()[1]
1282
return func
1283
1284
def __setattr__(self, name, value):
1285
if(name == '_pipe'):
1286
return super(ProxyClient, self).__setattr__(name, value)
1287
self._pipe.send(('setattr', name, value))
1288
1289
class ClientDBusTransitional(ClientDBus):
1290
__metaclass__ = AlternateDBusNamesMetaclass
1291
1292
984
class ClientHandler(socketserver.BaseRequestHandler, object):
1293
985
"""A class to handle client connections.
1294
986
1296
988
Note: This will run in its own forked process."""
1297
989
1298
990
def handle(self):
1299
with contextlib.closing(self.server.child_pipe) as child_pipe:
1300
logger.info("TCP connection from: %s",
1301
unicode(self.client_address))
1302
logger.debug("Pipe FD: %d",
1303
self.server.child_pipe.fileno())
1304
991
logger.info(u"TCP connection from: %s",
992
unicode(self.client_address))
993
logger.debug(u"IPC Pipe FD: %d", self.server.pipe[1])
994
# Open IPC pipe to parent process
995
with closing(os.fdopen(self.server.pipe[1], u"w", 1)) as ipc:
1305
996
session = (gnutls.connection
1306
997
.ClientSession(self.request,
1307
998
gnutls.connection
1308
999
.X509Credentials()))
1309
1000
1001
line = self.request.makefile().readline()
1002
logger.debug(u"Protocol version: %r", line)
1003
try:
1004
if int(line.strip().split()[0]) > 1:
1005
raise RuntimeError
1006
except (ValueError, IndexError, RuntimeError), error:
1007
logger.error(u"Unknown protocol version: %s", error)
1008
return
1009
1310
1010
# Note: gnutls.connection.X509Credentials is really a
1311
1011
# generic GnuTLS certificate credentials object so long as
1312
1012
# no X.509 keys are added to it. Therefore, we can use it
1313
1013
# here despite using OpenPGP certificates.
1314
1014
1315
#priority = ':'.join(("NONE", "+VERS-TLS1.1",
1316
# "+AES-256-CBC", "+SHA1",
1317
# "+COMP-NULL", "+CTYPE-OPENPGP",
1318
# "+DHE-DSS"))
1015
#priority = u':'.join((u"NONE", u"+VERS-TLS1.1",
1016
# u"+AES-256-CBC", u"+SHA1",
1017
# u"+COMP-NULL", u"+CTYPE-OPENPGP",
1018
# u"+DHE-DSS"))
1319
1019
# Use a fallback default, since this MUST be set.
1320
1020
priority = self.server.gnutls_priority
1321
1021
if priority is None:
1322
priority = "NORMAL"
1022
priority = u"NORMAL"
1323
1023
(gnutls.library.functions
1324
1024
.gnutls_priority_set_direct(session._c_object,
1325
1025
priority, None))
1326
1026
1327
# Start communication using the Mandos protocol
1328
# Get protocol number
1329
line = self.request.makefile().readline()
1330
logger.debug("Protocol version: %r", line)
1331
try:
1332
if int(line.strip().split()[0]) > 1:
1333
raise RuntimeError
1334
except (ValueError, IndexError, RuntimeError) as error:
1335
logger.error("Unknown protocol version: %s", error)
1336
return
1337
1338
# Start GnuTLS connection
1339
1027
try:
1340
1028
session.handshake()
1341
except gnutls.errors.GNUTLSError as error:
1342
logger.warning("Handshake failed: %s", error)
1029
except gnutls.errors.GNUTLSError, error:
1030
logger.warning(u"Handshake failed: %s", error)
1343
1031
# Do not run session.bye() here: the session is not
1344
1032
# established. Just abandon the request.
1345
1033
return
1346
logger.debug("Handshake succeeded")
1347
1348
approval_required = False
1034
logger.debug(u"Handshake succeeded")
1349
1035
try:
1350
try:
1351
fpr = self.fingerprint(self.peer_certificate
1352
(session))
1353
except (TypeError,
1354
gnutls.errors.GNUTLSError) as error:
1355
logger.warning("Bad certificate: %s", error)
1356
return
1357
logger.debug("Fingerprint: %s", fpr)
1358
1359
try:
1360
client = ProxyClient(child_pipe, fpr,
1361
self.client_address)
1362
except KeyError:
1363
return
1364
1365
if client.approval_delay:
1366
delay = client.approval_delay
1367
client.approvals_pending += 1
1368
approval_required = True
1369
1370
while True:
1371
if not client.enabled:
1372
logger.info("Client %s is disabled",
1373
client.name)
1374
if self.server.use_dbus:
1375
# Emit D-Bus signal
1376
client.Rejected("Disabled")
1377
return
1378
1379
if client._approved or not client.approval_delay:
1380
#We are approved or approval is disabled
1381
break
1382
elif client._approved is None:
1383
logger.info("Client %s needs approval",
1384
client.name)
1385
if self.server.use_dbus:
1386
# Emit D-Bus signal
1387
client.NeedApproval(
1388
client.approval_delay_milliseconds(),
1389
client.approved_by_default)
1390
else:
1391
logger.warning("Client %s was not approved",
1392
client.name)
1393
if self.server.use_dbus:
1394
# Emit D-Bus signal
1395
client.Rejected("Denied")
1396
return
1397
1398
#wait until timeout or approved
1399
time = datetime.datetime.now()
1400
client.changedstate.acquire()
1401
(client.changedstate.wait
1402
(float(client._timedelta_to_milliseconds(delay)
1403
/ 1000)))
1404
client.changedstate.release()
1405
time2 = datetime.datetime.now()
1406
if (time2 - time) >= delay:
1407
if not client.approved_by_default:
1408
logger.warning("Client %s timed out while"
1409
" waiting for approval",
1410
client.name)
1411
if self.server.use_dbus:
1412
# Emit D-Bus signal
1413
client.Rejected("Approval timed out")
1414
return
1415
else:
1416
break
1417
else:
1418
delay -= time2 - time
1419
1420
sent_size = 0
1421
while sent_size < len(client.secret):
1422
try:
1423
sent = session.send(client.secret[sent_size:])
1424
except gnutls.errors.GNUTLSError as error:
1425
logger.warning("gnutls send failed")
1426
return
1427
logger.debug("Sent: %d, remaining: %d",
1428
sent, len(client.secret)
1429
- (sent_size + sent))
1430
sent_size += sent
1431
1432
logger.info("Sending secret to %s", client.name)
1433
# bump the timeout using extended_timeout
1434
client.checked_ok(client.extended_timeout)
1435
if self.server.use_dbus:
1436
# Emit D-Bus signal
1437
client.GotSecret()
1036
fpr = self.fingerprint(self.peer_certificate(session))
1037
except (TypeError, gnutls.errors.GNUTLSError), error:
1038
logger.warning(u"Bad certificate: %s", error)
1039
session.bye()
1040
return
1041
logger.debug(u"Fingerprint: %s", fpr)
1438
1042
1439
finally:
1440
if approval_required:
1441
client.approvals_pending -= 1
1442
try:
1443
session.bye()
1444
except gnutls.errors.GNUTLSError as error:
1445
logger.warning("GnuTLS bye failed")
1043
for c in self.server.clients:
1044
if c.fingerprint == fpr:
1045
client = c
1046
break
1047
else:
1048
ipc.write(u"NOTFOUND %s %s\n"
1049
% (fpr, unicode(self.client_address)))
1050
session.bye()
1051
return
1052
# Have to check if client.still_valid(), since it is
1053
# possible that the client timed out while establishing
1054
# the GnuTLS session.
1055
if not client.still_valid():
1056
ipc.write(u"INVALID %s\n" % client.name)
1057
session.bye()
1058
return
1059
ipc.write(u"SENDING %s\n" % client.name)
1060
sent_size = 0
1061
while sent_size < len(client.secret):
1062
sent = session.send(client.secret[sent_size:])
1063
logger.debug(u"Sent: %d, remaining: %d",
1064
sent, len(client.secret)
1065
- (sent_size + sent))
1066
sent_size += sent
1067
session.bye()
1446
1068
1447
1069
@staticmethod
1448
1070
def peer_certificate(session):
1458
1080
.gnutls_certificate_get_peers
1459
1081
(session._c_object, ctypes.byref(list_size)))
1460
1082
if not bool(cert_list) and list_size.value != 0:
1461
raise gnutls.errors.GNUTLSError("error getting peer"
1462
" certificate")
1083
raise gnutls.errors.GNUTLSError(u"error getting peer"
1084
u" certificate")
1463
1085
if list_size.value == 0:
1464
1086
return None
1465
1087
cert = cert_list[0]
1491
1113
if crtverify.value != 0:
1492
1114
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
1493
1115
raise (gnutls.errors.CertificateSecurityError
1494
("Verify failed"))
1116
(u"Verify failed"))
1495
1117
# New buffer for the fingerprint
1496
1118
buf = ctypes.create_string_buffer(20)
1497
1119
buf_len = ctypes.c_size_t()
1504
1126
# Convert the buffer to a Python bytestring
1505
1127
fpr = ctypes.string_at(buf, buf_len.value)
1506
1128
# Convert the bytestring to hexadecimal notation
1507
hex_fpr = ''.join("%02X" % ord(char) for char in fpr)
1129
hex_fpr = u''.join(u"%02X" % ord(char) for char in fpr)
1508
1130
return hex_fpr
1509
1131
1510
1132
1511
class MultiprocessingMixIn(object):
1512
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
1513
def sub_process_main(self, request, address):
1514
try:
1515
self.finish_request(request, address)
1516
except:
1517
self.handle_error(request, address)
1518
self.close_request(request)
1519
1520
def process_request(self, request, address):
1521
"""Start a new process to process the request."""
1522
proc = multiprocessing.Process(target = self.sub_process_main,
1523
args = (request,
1524
address))
1525
proc.start()
1526
return proc
1527
1528
1529
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
1530
""" adds a pipe to the MixIn """
1133
class ForkingMixInWithPipe(socketserver.ForkingMixIn, object):
1134
"""Like socketserver.ForkingMixIn, but also pass a pipe."""
1531
1135
def process_request(self, request, client_address):
1532
1136
"""Overrides and wraps the original process_request().
1533
1137
1534
1138
This function creates a new pipe in self.pipe
1535
1139
"""
1536
parent_pipe, self.child_pipe = multiprocessing.Pipe()
1537
1538
proc = MultiprocessingMixIn.process_request(self, request,
1539
client_address)
1540
self.child_pipe.close()
1541
self.add_pipe(parent_pipe, proc)
1542
1543
def add_pipe(self, parent_pipe, proc):
1140
self.pipe = os.pipe()
1141
super(ForkingMixInWithPipe,
1142
self).process_request(request, client_address)
1143
os.close(self.pipe[1]) # close write end
1144
self.add_pipe(self.pipe[0])
1145
def add_pipe(self, pipe):
1544
1146
"""Dummy function; override as necessary"""
1545
raise NotImplementedError
1546
1547
1548
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
1147
os.close(pipe)
1148
1149
1150
class IPv6_TCPServer(ForkingMixInWithPipe,
1549
1151
socketserver.TCPServer, object):
1550
1152
"""IPv6-capable TCP server. Accepts 'None' as address and/or port
1551
1153
1567
1169
bind to an address or port if they were not specified."""
1568
1170
if self.interface is not None:
1569
1171
if SO_BINDTODEVICE is None:
1570
logger.error("SO_BINDTODEVICE does not exist;"
1571
" cannot bind to interface %s",
1172
logger.error(u"SO_BINDTODEVICE does not exist;"
1173
u" cannot bind to interface %s",
1572
1174
self.interface)
1573
1175
else:
1574
1176
try:
1575
1177
self.socket.setsockopt(socket.SOL_SOCKET,
1576
1178
SO_BINDTODEVICE,
1577
1179
str(self.interface
1578
+ '\0'))
1579
except socket.error as error:
1180
+ u'\0'))
1181
except socket.error, error:
1580
1182
if error[0] == errno.EPERM:
1581
logger.error("No permission to"
1582
" bind to interface %s",
1183
logger.error(u"No permission to"
1184
u" bind to interface %s",
1583
1185
self.interface)
1584
1186
elif error[0] == errno.ENOPROTOOPT:
1585
logger.error("SO_BINDTODEVICE not available;"
1586
" cannot bind to interface %s",
1187
logger.error(u"SO_BINDTODEVICE not available;"
1188
u" cannot bind to interface %s",
1587
1189
self.interface)
1588
1190
else:
1589
1191
raise
1591
1193
if self.server_address[0] or self.server_address[1]:
1592
1194
if not self.server_address[0]:
1593
1195
if self.address_family == socket.AF_INET6:
1594
any_address = "::" # in6addr_any
1196
any_address = u"::" # in6addr_any
1595
1197
else:
1596
1198
any_address = socket.INADDR_ANY
1597
1199
self.server_address = (any_address,
1634
1236
def server_activate(self):
1635
1237
if self.enabled:
1636
1238
return socketserver.TCPServer.server_activate(self)
1637
1638
1239
def enable(self):
1639
1240
self.enabled = True
1640
1641
def add_pipe(self, parent_pipe, proc):
1241
def add_pipe(self, pipe):
1642
1242
# Call "handle_ipc" for both data and EOF events
1643
gobject.io_add_watch(parent_pipe.fileno(),
1644
gobject.IO_IN | gobject.IO_HUP,
1645
functools.partial(self.handle_ipc,
1646
parent_pipe =
1647
parent_pipe,
1648
proc = proc))
1649
1650
def handle_ipc(self, source, condition, parent_pipe=None,
1651
proc = None, client_object=None):
1243
gobject.io_add_watch(pipe, gobject.IO_IN | gobject.IO_HUP,
1244
self.handle_ipc)
1245
def handle_ipc(self, source, condition, file_objects={}):
1652
1246
condition_names = {
1653
gobject.IO_IN: "IN", # There is data to read.
1654
gobject.IO_OUT: "OUT", # Data can be written (without
1247
gobject.IO_IN: u"IN", # There is data to read.
1248
gobject.IO_OUT: u"OUT", # Data can be written (without
1655
1249
# blocking).
1656
gobject.IO_PRI: "PRI", # There is urgent data to read.
1657
gobject.IO_ERR: "ERR", # Error condition.
1658
gobject.IO_HUP: "HUP" # Hung up (the connection has been
1250
gobject.IO_PRI: u"PRI", # There is urgent data to read.
1251
gobject.IO_ERR: u"ERR", # Error condition.
1252
gobject.IO_HUP: u"HUP" # Hung up (the connection has been
1659
1253
# broken, usually for pipes and
1660
1254
# sockets).
1661
1255
}
1663
1257
for cond, name in
1664
1258
condition_names.iteritems()
1665
1259
if cond & condition)
1666
# error, or the other end of multiprocessing.Pipe has closed
1667
if condition & (gobject.IO_ERR | condition & gobject.IO_HUP):
1668
# Wait for other process to exit
1669
proc.join()
1670
return False
1671
1672
# Read a request from the child
1673
request = parent_pipe.recv()
1674
command = request[0]
1675
1676
if command == 'init':
1677
fpr = request[1]
1678
address = request[2]
1679
1680
for c in self.clients:
1681
if c.fingerprint == fpr:
1682
client = c
1683
break
1684
else:
1685
logger.info("Client not found for fingerprint: %s, ad"
1686
"dress: %s", fpr, address)
1687
if self.use_dbus:
1688
# Emit D-Bus signal
1689
mandos_dbus_service.ClientNotFound(fpr,
1690
address[0])
1691
parent_pipe.send(False)
1692
return False
1693
1694
gobject.io_add_watch(parent_pipe.fileno(),
1695
gobject.IO_IN | gobject.IO_HUP,
1696
functools.partial(self.handle_ipc,
1697
parent_pipe =
1698
parent_pipe,
1699
proc = proc,
1700
client_object =
1701
client))
1702
parent_pipe.send(True)
1703
# remove the old hook in favor of the new above hook on
1704
# same fileno
1705
return False
1706
if command == 'funcall':
1707
funcname = request[1]
1708
args = request[2]
1709
kwargs = request[3]
1710
1711
parent_pipe.send(('data', getattr(client_object,
1712
funcname)(*args,
1713
**kwargs)))
1714
1715
if command == 'getattr':
1716
attrname = request[1]
1717
if callable(client_object.__getattribute__(attrname)):
1718
parent_pipe.send(('function',))
1719
else:
1720
parent_pipe.send(('data', client_object
1721
.__getattribute__(attrname)))
1722
1723
if command == 'setattr':
1724
attrname = request[1]
1725
value = request[2]
1726
setattr(client_object, attrname, value)
1727
1260
logger.debug(u"Handling IPC: FD = %d, condition = %s", source,
1261
conditions_string)
1262
1263
# Turn the pipe file descriptor into a Python file object
1264
if source not in file_objects:
1265
file_objects[source] = os.fdopen(source, u"r", 1)
1266
1267
# Read a line from the file object
1268
cmdline = file_objects[source].readline()
1269
if not cmdline: # Empty line means end of file
1270
# close the IPC pipe
1271
file_objects[source].close()
1272
del file_objects[source]
1273
1274
# Stop calling this function
1275
return False
1276
1277
logger.debug(u"IPC command: %r", cmdline)
1278
1279
# Parse and act on command
1280
cmd, args = cmdline.rstrip(u"\r\n").split(None, 1)
1281
1282
if cmd == u"NOTFOUND":
1283
logger.warning(u"Client not found for fingerprint: %s",
1284
args)
1285
if self.use_dbus:
1286
# Emit D-Bus signal
1287
mandos_dbus_service.ClientNotFound(args)
1288
elif cmd == u"INVALID":
1289
for client in self.clients:
1290
if client.name == args:
1291
logger.warning(u"Client %s is invalid", args)
1292
if self.use_dbus:
1293
# Emit D-Bus signal
1294
client.Rejected()
1295
break
1296
else:
1297
logger.error(u"Unknown client %s is invalid", args)
1298
elif cmd == u"SENDING":
1299
for client in self.clients:
1300
if client.name == args:
1301
logger.info(u"Sending secret to %s", client.name)
1302
client.checked_ok()
1303
if self.use_dbus:
1304
# Emit D-Bus signal
1305
client.GotSecret()
1306
break
1307
else:
1308
logger.error(u"Sending secret to unknown client %s",
1309
args)
1310
else:
1311
logger.error(u"Unknown IPC command: %r", cmdline)
1312
1313
# Keep calling this function
1728
1314
return True
1729
1315
1730
1316
1731
1317
def string_to_delta(interval):
1732
1318
"""Parse a string and return a datetime.timedelta
1733
1319
1734
>>> string_to_delta('7d')
1320
>>> string_to_delta(u'7d')
1735
1321
datetime.timedelta(7)
1736
>>> string_to_delta('60s')
1322
>>> string_to_delta(u'60s')
1737
1323
datetime.timedelta(0, 60)
1738
>>> string_to_delta('60m')
1324
>>> string_to_delta(u'60m')
1739
1325
datetime.timedelta(0, 3600)
1740
>>> string_to_delta('24h')
1326
>>> string_to_delta(u'24h')
1741
1327
datetime.timedelta(1)
1742
>>> string_to_delta('1w')
1328
>>> string_to_delta(u'1w')
1743
1329
datetime.timedelta(7)
1744
>>> string_to_delta('5m 30s')
1330
>>> string_to_delta(u'5m 30s')
1745
1331
datetime.timedelta(0, 330)
1746
1332
"""
1747
1333
timevalue = datetime.timedelta(0)
1749
1335
try:
1750
1336
suffix = unicode(s[-1])
1751
1337
value = int(s[:-1])
1752
if suffix == "d":
1338
if suffix == u"d":
1753
1339
delta = datetime.timedelta(value)
1754
elif suffix == "s":
1340
elif suffix == u"s":
1755
1341
delta = datetime.timedelta(0, value)
1756
elif suffix == "m":
1342
elif suffix == u"m":
1757
1343
delta = datetime.timedelta(0, 0, 0, 0, value)
1758
elif suffix == "h":
1344
elif suffix == u"h":
1759
1345
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
1760
elif suffix == "w":
1346
elif suffix == u"w":
1761
1347
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
1762
1348
else:
1763
raise ValueError("Unknown suffix %r" % suffix)
1764
except (ValueError, IndexError) as e:
1765
raise ValueError(*(e.args))
1349
raise ValueError(u"Unknown suffix %r" % suffix)
1350
except (ValueError, IndexError), e:
1351
raise ValueError(e.message)
1766
1352
timevalue += delta
1767
1353
return timevalue
1768
1354
1774
1360
global if_nametoindex
1775
1361
try:
1776
1362
if_nametoindex = (ctypes.cdll.LoadLibrary
1777
(ctypes.util.find_library("c"))
1363
(ctypes.util.find_library(u"c"))
1778
1364
.if_nametoindex)
1779
1365
except (OSError, AttributeError):
1780
logger.warning("Doing if_nametoindex the hard way")
1366
logger.warning(u"Doing if_nametoindex the hard way")
1781
1367
def if_nametoindex(interface):
1782
1368
"Get an interface index the hard way, i.e. using fcntl()"
1783
1369
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
1784
with contextlib.closing(socket.socket()) as s:
1370
with closing(socket.socket()) as s:
1785
1371
ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
1786
struct.pack(str("16s16x"),
1372
struct.pack(str(u"16s16x"),
1787
1373
interface))
1788
interface_index = struct.unpack(str("I"),
1374
interface_index = struct.unpack(str(u"I"),
1789
1375
ifreq[16:20])[0]
1790
1376
return interface_index
1791
1377
return if_nametoindex(interface)
1799
1385
sys.exit()
1800
1386
os.setsid()
1801
1387
if not nochdir:
1802
os.chdir("/")
1388
os.chdir(u"/")
1803
1389
if os.fork():
1804
1390
sys.exit()
1805
1391
if not noclose:
1807
1393
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1808
1394
if not stat.S_ISCHR(os.fstat(null).st_mode):
1809
1395
raise OSError(errno.ENODEV,
1810
"%s not a character device"
1396
u"%s not a character device"
1811
1397
% os.path.devnull)
1812
1398
os.dup2(null, sys.stdin.fileno())
1813
1399
os.dup2(null, sys.stdout.fileno())
1821
1407
##################################################################
1822
1408
# Parsing of options, both command line and config file
1823
1409
1824
parser = argparse.ArgumentParser()
1825
parser.add_argument("-v", "--version", action="version",
1826
version = "%%(prog)s %s" % version,
1827
help="show version number and exit")
1828
parser.add_argument("-i", "--interface", metavar="IF",
1829
help="Bind to interface IF")
1830
parser.add_argument("-a", "--address",
1831
help="Address to listen for requests on")
1832
parser.add_argument("-p", "--port", type=int,
1833
help="Port number to receive requests on")
1834
parser.add_argument("--check", action="store_true",
1835
help="Run self-test")
1836
parser.add_argument("--debug", action="store_true",
1837
help="Debug mode; run in foreground and log"
1838
" to terminal")
1839
parser.add_argument("--debuglevel", metavar="LEVEL",
1840
help="Debug level for stdout output")
1841
parser.add_argument("--priority", help="GnuTLS"
1842
" priority string (see GnuTLS documentation)")
1843
parser.add_argument("--servicename",
1844
metavar="NAME", help="Zeroconf service name")
1845
parser.add_argument("--configdir",
1846
default="/etc/mandos", metavar="DIR",
1847
help="Directory to search for configuration"
1848
" files")
1849
parser.add_argument("--no-dbus", action="store_false",
1850
dest="use_dbus", help="Do not provide D-Bus"
1851
" system bus interface")
1852
parser.add_argument("--no-ipv6", action="store_false",
1853
dest="use_ipv6", help="Do not use IPv6")
1854
options = parser.parse_args()
1410
parser = optparse.OptionParser(version = "%%prog %s" % version)
1411
parser.add_option("-i", u"--interface", type=u"string",
1412
metavar="IF", help=u"Bind to interface IF")
1413
parser.add_option("-a", u"--address", type=u"string",
1414
help=u"Address to listen for requests on")
1415
parser.add_option("-p", u"--port", type=u"int",
1416
help=u"Port number to receive requests on")
1417
parser.add_option("--check", action=u"store_true",
1418
help=u"Run self-test")
1419
parser.add_option("--debug", action=u"store_true",
1420
help=u"Debug mode; run in foreground and log to"
1421
u" terminal")
1422
parser.add_option("--priority", type=u"string", help=u"GnuTLS"
1423
u" priority string (see GnuTLS documentation)")
1424
parser.add_option("--servicename", type=u"string",
1425
metavar=u"NAME", help=u"Zeroconf service name")
1426
parser.add_option("--configdir", type=u"string",
1427
default=u"/etc/mandos", metavar=u"DIR",
1428
help=u"Directory to search for configuration"
1429
u" files")
1430
parser.add_option("--no-dbus", action=u"store_false",
1431
dest=u"use_dbus", help=u"Do not provide D-Bus"
1432
u" system bus interface")
1433
parser.add_option("--no-ipv6", action=u"store_false",
1434
dest=u"use_ipv6", help=u"Do not use IPv6")
1435
options = parser.parse_args()[0]
1855
1436
1856
1437
if options.check:
1857
1438
import doctest
1859
1440
sys.exit()
1860
1441
1861
1442
# Default values for config file for server-global settings
1862
server_defaults = { "interface": "",
1863
"address": "",
1864
"port": "",
1865
"debug": "False",
1866
"priority":
1867
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
1868
"servicename": "Mandos",
1869
"use_dbus": "True",
1870
"use_ipv6": "True",
1871
"debuglevel": "",
1443
server_defaults = { u"interface": u"",
1444
u"address": u"",
1445
u"port": u"",
1446
u"debug": u"False",
1447
u"priority":
1448
u"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
1449
u"servicename": u"Mandos",
1450
u"use_dbus": u"True",
1451
u"use_ipv6": u"True",
1872
1452
}
1873
1453
1874
1454
# Parse config file for server-global settings
1875
1455
server_config = configparser.SafeConfigParser(server_defaults)
1876
1456
del server_defaults
1877
1457
server_config.read(os.path.join(options.configdir,
1878
"mandos.conf"))
1458
u"mandos.conf"))
1879
1459
# Convert the SafeConfigParser object to a dict
1880
1460
server_settings = server_config.defaults()
1881
1461
# Use the appropriate methods on the non-string config options
1882
for option in ("debug", "use_dbus", "use_ipv6"):
1883
server_settings[option] = server_config.getboolean("DEFAULT",
1462
for option in (u"debug", u"use_dbus", u"use_ipv6"):
1463
server_settings[option] = server_config.getboolean(u"DEFAULT",
1884
1464
option)
1885
1465
if server_settings["port"]:
1886
server_settings["port"] = server_config.getint("DEFAULT",
1887
"port")
1466
server_settings["port"] = server_config.getint(u"DEFAULT",
1467
u"port")
1888
1468
del server_config
1889
1469
1890
1470
# Override the settings from the config file with command line
1891
1471
# options, if set.
1892
for option in ("interface", "address", "port", "debug",
1893
"priority", "servicename", "configdir",
1894
"use_dbus", "use_ipv6", "debuglevel"):
1472
for option in (u"interface", u"address", u"port", u"debug",
1473
u"priority", u"servicename", u"configdir",
1474
u"use_dbus", u"use_ipv6"):
1895
1475
value = getattr(options, option)
1896
1476
if value is not None:
1897
1477
server_settings[option] = value
1905
1485
##################################################################
1906
1486
1907
1487
# For convenience
1908
debug = server_settings["debug"]
1909
debuglevel = server_settings["debuglevel"]
1910
use_dbus = server_settings["use_dbus"]
1911
use_ipv6 = server_settings["use_ipv6"]
1912
1913
if server_settings["servicename"] != "Mandos":
1488
debug = server_settings[u"debug"]
1489
use_dbus = server_settings[u"use_dbus"]
1490
use_ipv6 = server_settings[u"use_ipv6"]
1491
1492
if not debug:
1493
syslogger.setLevel(logging.WARNING)
1494
console.setLevel(logging.WARNING)
1495
1496
if server_settings[u"servicename"] != u"Mandos":
1914
1497
syslogger.setFormatter(logging.Formatter
1915
('Mandos (%s) [%%(process)d]:'
1916
' %%(levelname)s: %%(message)s'
1917
% server_settings["servicename"]))
1498
(u'Mandos (%s) [%%(process)d]:'
1499
u' %%(levelname)s: %%(message)s'
1500
% server_settings[u"servicename"]))
1918
1501
1919
1502
# Parse config file with clients
1920
client_defaults = { "timeout": "5m",
1921
"extended_timeout": "15m",
1922
"interval": "2m",
1923
"checker": "fping -q -- %%(host)s",
1924
"host": "",
1925
"approval_delay": "0s",
1926
"approval_duration": "1s",
1503
client_defaults = { u"timeout": u"1h",
1504
u"interval": u"5m",
1505
u"checker": u"fping -q -- %%(host)s",
1506
u"host": u"",
1927
1507
}
1928
1508
client_config = configparser.SafeConfigParser(client_defaults)
1929
client_config.read(os.path.join(server_settings["configdir"],
1930
"clients.conf"))
1509
client_config.read(os.path.join(server_settings[u"configdir"],
1510
u"clients.conf"))
1931
1511
1932
1512
global mandos_dbus_service
1933
1513
mandos_dbus_service = None
1934
1514
1935
tcp_server = MandosServer((server_settings["address"],
1936
server_settings["port"]),
1515
tcp_server = MandosServer((server_settings[u"address"],
1516
server_settings[u"port"]),
1937
1517
ClientHandler,
1938
interface=(server_settings["interface"]
1939
or None),
1518
interface=server_settings[u"interface"],
1940
1519
use_ipv6=use_ipv6,
1941
1520
gnutls_priority=
1942
server_settings["priority"],
1521
server_settings[u"priority"],
1943
1522
use_dbus=use_dbus)
1944
if not debug:
1945
pidfilename = "/var/run/mandos.pid"
1946
try:
1947
pidfile = open(pidfilename, "w")
1948
except IOError:
1949
logger.error("Could not open file %r", pidfilename)
1523
pidfilename = u"/var/run/mandos.pid"
1524
try:
1525
pidfile = open(pidfilename, u"w")
1526
except IOError:
1527
logger.error(u"Could not open file %r", pidfilename)
1950
1528
1951
1529
try:
1952
uid = pwd.getpwnam("_mandos").pw_uid
1953
gid = pwd.getpwnam("_mandos").pw_gid
1530
uid = pwd.getpwnam(u"_mandos").pw_uid
1531
gid = pwd.getpwnam(u"_mandos").pw_gid
1954
1532
except KeyError:
1955
1533
try:
1956
uid = pwd.getpwnam("mandos").pw_uid
1957
gid = pwd.getpwnam("mandos").pw_gid
1534
uid = pwd.getpwnam(u"mandos").pw_uid
1535
gid = pwd.getpwnam(u"mandos").pw_gid
1958
1536
except KeyError:
1959
1537
try:
1960
uid = pwd.getpwnam("nobody").pw_uid
1961
gid = pwd.getpwnam("nobody").pw_gid
1538
uid = pwd.getpwnam(u"nobody").pw_uid
1539
gid = pwd.getpwnam(u"nobody").pw_gid
1962
1540
except KeyError:
1963
1541
uid = 65534
1964
1542
gid = 65534
1965
1543
try:
1966
1544
os.setgid(gid)
1967
1545
os.setuid(uid)
1968
except OSError as error:
1546
except OSError, error:
1969
1547
if error[0] != errno.EPERM:
1970
1548
raise error
1971
1549
1972
if not debug and not debuglevel:
1973
syslogger.setLevel(logging.WARNING)
1974
console.setLevel(logging.WARNING)
1975
if debuglevel:
1976
level = getattr(logging, debuglevel.upper())
1977
syslogger.setLevel(level)
1978
console.setLevel(level)
1979
1550
# Enable all possible GnuTLS debugging
1980
1551
if debug:
1981
# Enable all possible GnuTLS debugging
1982
1983
1552
# "Use a log level over 10 to enable all debugging options."
1984
1553
# - GnuTLS manual
1985
1554
gnutls.library.functions.gnutls_global_set_log_level(11)
1986
1555
1987
1556
@gnutls.library.types.gnutls_log_func
1988
1557
def debug_gnutls(level, string):
1989
logger.debug("GnuTLS: %s", string[:-1])
1558
logger.debug(u"GnuTLS: %s", string[:-1])
1990
1559
1991
1560
(gnutls.library.functions
1992
1561
.gnutls_global_set_log_function(debug_gnutls))
1993
1994
# Redirect stdin so all checkers get /dev/null
1995
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1996
os.dup2(null, sys.stdin.fileno())
1997
if null > 2:
1998
os.close(null)
1999
else:
2000
# No console logging
2001
logger.removeHandler(console)
2002
2003
# Need to fork before connecting to D-Bus
2004
if not debug:
2005
# Close all input and output, do double fork, etc.
2006
daemon()
2007
1562
2008
1563
global main_loop
2009
1564
# From the Avahi example code
2013
1568
# End of Avahi example code
2014
1569
if use_dbus:
2015
1570
try:
2016
bus_name = dbus.service.BusName("se.recompile.Mandos",
1571
bus_name = dbus.service.BusName(u"se.bsnet.fukt.Mandos",
2017
1572
bus, do_not_queue=True)
2018
old_bus_name = (dbus.service.BusName
2019
("se.bsnet.fukt.Mandos", bus,
2020
do_not_queue=True))
2021
except dbus.exceptions.NameExistsException as e:
2022
logger.error(unicode(e) + ", disabling D-Bus")
1573
except dbus.exceptions.NameExistsException, e:
1574
logger.error(unicode(e) + u", disabling D-Bus")
2023
1575
use_dbus = False
2024
server_settings["use_dbus"] = False
1576
server_settings[u"use_dbus"] = False
2025
1577
tcp_server.use_dbus = False
2026
1578
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
2027
service = AvahiService(name = server_settings["servicename"],
2028
servicetype = "_mandos._tcp",
1579
service = AvahiService(name = server_settings[u"servicename"],
1580
servicetype = u"_mandos._tcp",
2029
1581
protocol = protocol, bus = bus)
2030
1582
if server_settings["interface"]:
2031
1583
service.interface = (if_nametoindex
2032
(str(server_settings["interface"])))
2033
2034
global multiprocessing_manager
2035
multiprocessing_manager = multiprocessing.Manager()
1584
(str(server_settings[u"interface"])))
2036
1585
2037
1586
client_class = Client
2038
1587
if use_dbus:
2039
client_class = functools.partial(ClientDBusTransitional,
2040
bus = bus)
2041
def client_config_items(config, section):
2042
special_settings = {
2043
"approved_by_default":
2044
lambda: config.getboolean(section,
2045
"approved_by_default"),
2046
}
2047
for name, value in config.items(section):
2048
try:
2049
yield (name, special_settings[name]())
2050
except KeyError:
2051
yield (name, value)
2052
1588
client_class = functools.partial(ClientDBus, bus = bus)
2053
1589
tcp_server.clients.update(set(
2054
1590
client_class(name = section,
2055
config= dict(client_config_items(
2056
client_config, section)))
1591
config= dict(client_config.items(section)))
2057
1592
for section in client_config.sections()))
2058
1593
if not tcp_server.clients:
2059
logger.warning("No clients defined")
2060
1594
logger.warning(u"No clients defined")
1595
1596
if debug:
1597
# Redirect stdin so all checkers get /dev/null
1598
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1599
os.dup2(null, sys.stdin.fileno())
1600
if null > 2:
1601
os.close(null)
1602
else:
1603
# No console logging
1604
logger.removeHandler(console)
1605
# Close all input and output, do double fork, etc.
1606
daemon()
1607
1608
try:
1609
with closing(pidfile):
1610
pid = os.getpid()
1611
pidfile.write(str(pid) + "\n")
1612
del pidfile
1613
except IOError:
1614
logger.error(u"Could not write to file %r with PID %d",
1615
pidfilename, pid)
1616
except NameError:
1617
# "pidfile" was never created
1618
pass
1619
del pidfilename
1620
2061
1621
if not debug:
2062
try:
2063
with pidfile:
2064
pid = os.getpid()
2065
pidfile.write(str(pid) + "\n".encode("utf-8"))
2066
del pidfile
2067
except IOError:
2068
logger.error("Could not write to file %r with PID %d",
2069
pidfilename, pid)
2070
except NameError:
2071
# "pidfile" was never created
2072
pass
2073
del pidfilename
2074
2075
1622
signal.signal(signal.SIGINT, signal.SIG_IGN)
2076
2077
1623
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
2078
1624
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
2079
1625
2081
1627
class MandosDBusService(dbus.service.Object):
2082
1628
"""A D-Bus proxy object"""
2083
1629
def __init__(self):
2084
dbus.service.Object.__init__(self, bus, "/")
2085
_interface = "se.recompile.Mandos"
2086
2087
@dbus.service.signal(_interface, signature="o")
2088
def ClientAdded(self, objpath):
2089
"D-Bus signal"
2090
pass
2091
2092
@dbus.service.signal(_interface, signature="ss")
2093
def ClientNotFound(self, fingerprint, address):
2094
"D-Bus signal"
2095
pass
2096
2097
@dbus.service.signal(_interface, signature="os")
1630
dbus.service.Object.__init__(self, bus, u"/")
1631
_interface = u"se.bsnet.fukt.Mandos"
1632
1633
@dbus.service.signal(_interface, signature=u"oa{sv}")
1634
def ClientAdded(self, objpath, properties):
1635
"D-Bus signal"
1636
pass
1637
1638
@dbus.service.signal(_interface, signature=u"s")
1639
def ClientNotFound(self, fingerprint):
1640
"D-Bus signal"
1641
pass
1642
1643
@dbus.service.signal(_interface, signature=u"os")
2098
1644
def ClientRemoved(self, objpath, name):
2099
1645
"D-Bus signal"
2100
1646
pass
2101
1647
2102
@dbus.service.method(_interface, out_signature="ao")
1648
@dbus.service.method(_interface, out_signature=u"ao")
2103
1649
def GetAllClients(self):
2104
1650
"D-Bus method"
2105
1651
return dbus.Array(c.dbus_object_path
2106
1652
for c in tcp_server.clients)
2107
1653
2108
1654
@dbus.service.method(_interface,
2109
out_signature="a{oa{sv}}")
1655
out_signature=u"a{oa{sv}}")
2110
1656
def GetAllClientsWithProperties(self):
2111
1657
"D-Bus method"
2112
1658
return dbus.Dictionary(
2113
((c.dbus_object_path, c.GetAll(""))
1659
((c.dbus_object_path, c.GetAll(u""))
2114
1660
for c in tcp_server.clients),
2115
signature="oa{sv}")
1661
signature=u"oa{sv}")
2116
1662
2117
@dbus.service.method(_interface, in_signature="o")
1663
@dbus.service.method(_interface, in_signature=u"o")
2118
1664
def RemoveClient(self, object_path):
2119
1665
"D-Bus method"
2120
1666
for c in tcp_server.clients:
2130
1676
2131
1677
del _interface
2132
1678
2133
class MandosDBusServiceTransitional(MandosDBusService):
2134
__metaclass__ = AlternateDBusNamesMetaclass
2135
mandos_dbus_service = MandosDBusServiceTransitional()
1679
mandos_dbus_service = MandosDBusService()
2136
1680
2137
1681
def cleanup():
2138
1682
"Cleanup function; run on exit"
2139
1683
service.cleanup()
2140
1684
2141
multiprocessing.active_children()
2142
1685
while tcp_server.clients:
2143
1686
client = tcp_server.clients.pop()
2144
1687
if use_dbus:
2148
1691
client.disable(quiet=True)
2149
1692
if use_dbus:
2150
1693
# Emit D-Bus signal
2151
mandos_dbus_service.ClientRemoved(client
2152
.dbus_object_path,
1694
mandos_dbus_service.ClientRemoved(client.dbus_object_path,
2153
1695
client.name)
2154
1696
2155
1697
atexit.register(cleanup)
2157
1699
for client in tcp_server.clients:
2158
1700
if use_dbus:
2159
1701
# Emit D-Bus signal
2160
mandos_dbus_service.ClientAdded(client.dbus_object_path)
1702
mandos_dbus_service.ClientAdded(client.dbus_object_path,
1703
client.GetAll(u""))
2161
1704
client.enable()
2162
1705
2163
1706
tcp_server.enable()
2166
1709
# Find out what port we got
2167
1710
service.port = tcp_server.socket.getsockname()[1]
2168
1711
if use_ipv6:
2169
logger.info("Now listening on address %r, port %d,"
1712
logger.info(u"Now listening on address %r, port %d,"
2170
1713
" flowinfo %d, scope_id %d"
2171
1714
% tcp_server.socket.getsockname())
2172
1715
else: # IPv4
2173
logger.info("Now listening on address %r, port %d"
1716
logger.info(u"Now listening on address %r, port %d"
2174
1717
% tcp_server.socket.getsockname())
2175
1718
2176
1719
#service.interface = tcp_server.socket.getsockname()[3]
2179
1722
# From the Avahi example code
2180
1723
try:
2181
1724
service.activate()
2182
except dbus.exceptions.DBusException as error:
2183
logger.critical("DBusException: %s", error)
1725
except dbus.exceptions.DBusException, error:
1726
logger.critical(u"DBusException: %s", error)
2184
1727
cleanup()
2185
1728
sys.exit(1)
2186
1729
# End of Avahi example code
2190
1733
(tcp_server.handle_request
2191
1734
(*args[2:], **kwargs) or True))
2192
1735
2193
logger.debug("Starting main loop")
1736
logger.debug(u"Starting main loop")
2194
1737
main_loop.run()
2195
except AvahiError as error:
2196
logger.critical("AvahiError: %s", error)
1738
except AvahiError, error:
1739
logger.critical(u"AvahiError: %s", error)
2197
1740
cleanup()
2198
1741
sys.exit(1)
2199
1742
except KeyboardInterrupt:
2200
1743
if debug:
2201
print("", file=sys.stderr)
2202
logger.debug("Server received KeyboardInterrupt")
2203
logger.debug("Server exiting")
1744
print >> sys.stderr
1745
logger.debug(u"Server received KeyboardInterrupt")
1746
logger.debug(u"Server exiting")
2204
1747
# Must run before the D-Bus bus name gets deregistered
2205
1748
cleanup()
2206
1749
2207
2208
1750
if __name__ == '__main__':
2209
1751
main()
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0