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- Committer: Björn Påhlsson
- Date: 2010-09-07 18:48:56 UTC
- mto: (237.7.1 mandos)
- mto: This revision was merged to the branch mainline in revision 270.
- Revision ID: belorn@fukt.bsnet.se-20100907184856-waz6cvxbm7ranha2
added the actually plugin file for plymouth
- files added:
- plugins.d/plymouth
- 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 © 2008-2012 Teddy Hogeborn
15
# Copyright © 2008-2012 Björn Påhlsson
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# Copyright © 2008,2009 Teddy Hogeborn
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# Copyright © 2008,2009 Björn Påhlsson
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16
#
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# This program is free software: you can redistribute it and/or modify
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18
# it under the terms of the GNU General Public License as published by
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28
# along with this program. If not, see
29
29
# <http://www.gnu.org/licenses/>.
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#
31
# Contact the authors at <mandos@recompile.se>.
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# Contact the authors at <mandos@fukt.bsnet.se>.
32
32
#
33
33
34
from __future__ import (division, absolute_import, print_function,
35
unicode_literals)
36
37
from future_builtins import *
34
from __future__ import division, with_statement, absolute_import
38
35
39
36
import SocketServer as socketserver
40
37
import socket
41
import argparse
38
import optparse
42
39
import datetime
43
40
import errno
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41
import gnutls.crypto
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61
import functools
65
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import cPickle as pickle
66
63
import multiprocessing
67
import types
68
import binascii
69
import tempfile
70
import itertools
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64
72
65
import dbus
73
66
import dbus.service
78
71
import ctypes.util
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72
import xml.dom.minidom
80
73
import inspect
81
import GnuPGInterface
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74
83
75
try:
84
76
SO_BINDTODEVICE = socket.SO_BINDTODEVICE
88
80
except ImportError:
89
81
SO_BINDTODEVICE = None
90
82
91
version = "1.5.5"
92
stored_state_file = "clients.pickle"
93
94
logger = logging.getLogger()
83
84
version = "1.0.14"
85
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#logger = logging.getLogger(u'mandos')
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logger = logging.Logger(u'mandos')
95
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syslogger = (logging.handlers.SysLogHandler
96
89
(facility = logging.handlers.SysLogHandler.LOG_DAEMON,
97
address = str("/dev/log")))
98
99
try:
100
if_nametoindex = (ctypes.cdll.LoadLibrary
101
(ctypes.util.find_library("c"))
102
.if_nametoindex)
103
except (OSError, AttributeError):
104
def if_nametoindex(interface):
105
"Get an interface index the hard way, i.e. using fcntl()"
106
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
107
with contextlib.closing(socket.socket()) as s:
108
ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
109
struct.pack(str("16s16x"),
110
interface))
111
interface_index = struct.unpack(str("I"),
112
ifreq[16:20])[0]
113
return interface_index
114
115
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def initlogger(debug, level=logging.WARNING):
117
"""init logger and add loglevel"""
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syslogger.setFormatter(logging.Formatter
120
('Mandos [%(process)d]: %(levelname)s:'
121
' %(message)s'))
122
logger.addHandler(syslogger)
123
124
if debug:
125
console = logging.StreamHandler()
126
console.setFormatter(logging.Formatter('%(asctime)s %(name)s'
127
' [%(process)d]:'
128
' %(levelname)s:'
129
' %(message)s'))
130
logger.addHandler(console)
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logger.setLevel(level)
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133
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class PGPError(Exception):
135
"""Exception if encryption/decryption fails"""
136
pass
137
138
139
class PGPEngine(object):
140
"""A simple class for OpenPGP symmetric encryption & decryption"""
141
def __init__(self):
142
self.gnupg = GnuPGInterface.GnuPG()
143
self.tempdir = tempfile.mkdtemp(prefix="mandos-")
144
self.gnupg = GnuPGInterface.GnuPG()
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self.gnupg.options.meta_interactive = False
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self.gnupg.options.homedir = self.tempdir
147
self.gnupg.options.extra_args.extend(['--force-mdc',
148
'--quiet',
149
'--no-use-agent'])
150
151
def __enter__(self):
152
return self
153
154
def __exit__(self, exc_type, exc_value, traceback):
155
self._cleanup()
156
return False
157
158
def __del__(self):
159
self._cleanup()
160
161
def _cleanup(self):
162
if self.tempdir is not None:
163
# Delete contents of tempdir
164
for root, dirs, files in os.walk(self.tempdir,
165
topdown = False):
166
for filename in files:
167
os.remove(os.path.join(root, filename))
168
for dirname in dirs:
169
os.rmdir(os.path.join(root, dirname))
170
# Remove tempdir
171
os.rmdir(self.tempdir)
172
self.tempdir = None
173
174
def password_encode(self, password):
175
# Passphrase can not be empty and can not contain newlines or
176
# NUL bytes. So we prefix it and hex encode it.
177
return b"mandos" + binascii.hexlify(password)
178
179
def encrypt(self, data, password):
180
self.gnupg.passphrase = self.password_encode(password)
181
with open(os.devnull, "w") as devnull:
182
try:
183
proc = self.gnupg.run(['--symmetric'],
184
create_fhs=['stdin', 'stdout'],
185
attach_fhs={'stderr': devnull})
186
with contextlib.closing(proc.handles['stdin']) as f:
187
f.write(data)
188
with contextlib.closing(proc.handles['stdout']) as f:
189
ciphertext = f.read()
190
proc.wait()
191
except IOError as e:
192
raise PGPError(e)
193
self.gnupg.passphrase = None
194
return ciphertext
195
196
def decrypt(self, data, password):
197
self.gnupg.passphrase = self.password_encode(password)
198
with open(os.devnull, "w") as devnull:
199
try:
200
proc = self.gnupg.run(['--decrypt'],
201
create_fhs=['stdin', 'stdout'],
202
attach_fhs={'stderr': devnull})
203
with contextlib.closing(proc.handles['stdin']) as f:
204
f.write(data)
205
with contextlib.closing(proc.handles['stdout']) as f:
206
decrypted_plaintext = f.read()
207
proc.wait()
208
except IOError as e:
209
raise PGPError(e)
210
self.gnupg.passphrase = None
211
return decrypted_plaintext
212
90
address = "/dev/log"))
91
syslogger.setFormatter(logging.Formatter
92
(u'Mandos [%(process)d]: %(levelname)s:'
93
u' %(message)s'))
94
logger.addHandler(syslogger)
95
96
console = logging.StreamHandler()
97
console.setFormatter(logging.Formatter(u'%(name)s [%(process)d]:'
98
u' %(levelname)s:'
99
u' %(message)s'))
100
logger.addHandler(console)
213
101
214
102
class AvahiError(Exception):
215
103
def __init__(self, value, *args, **kwargs):
231
119
Attributes:
232
120
interface: integer; avahi.IF_UNSPEC or an interface index.
233
121
Used to optionally bind to the specified interface.
234
name: string; Example: 'Mandos'
235
type: string; Example: '_mandos._tcp'.
122
name: string; Example: u'Mandos'
123
type: string; Example: u'_mandos._tcp'.
236
124
See <http://www.dns-sd.org/ServiceTypes.html>
237
125
port: integer; what port to announce
238
126
TXT: list of strings; TXT record for the service
245
133
server: D-Bus Server
246
134
bus: dbus.SystemBus()
247
135
"""
248
249
136
def __init__(self, interface = avahi.IF_UNSPEC, name = None,
250
137
servicetype = None, port = None, TXT = None,
251
domain = "", host = "", max_renames = 32768,
138
domain = u"", host = u"", max_renames = 32768,
252
139
protocol = avahi.PROTO_UNSPEC, bus = None):
253
140
self.interface = interface
254
141
self.name = name
263
150
self.group = None # our entry group
264
151
self.server = None
265
152
self.bus = bus
266
self.entry_group_state_changed_match = None
267
268
153
def rename(self):
269
154
"""Derived from the Avahi example code"""
270
155
if self.rename_count >= self.max_renames:
271
logger.critical("No suitable Zeroconf service name found"
272
" after %i retries, exiting.",
156
logger.critical(u"No suitable Zeroconf service name found"
157
u" after %i retries, exiting.",
273
158
self.rename_count)
274
raise AvahiServiceError("Too many renames")
275
self.name = unicode(self.server
276
.GetAlternativeServiceName(self.name))
277
logger.info("Changing Zeroconf service name to %r ...",
159
raise AvahiServiceError(u"Too many renames")
160
self.name = unicode(self.server.GetAlternativeServiceName(self.name))
161
logger.info(u"Changing Zeroconf service name to %r ...",
278
162
self.name)
163
syslogger.setFormatter(logging.Formatter
164
(u'Mandos (%s) [%%(process)d]:'
165
u' %%(levelname)s: %%(message)s'
166
% self.name))
279
167
self.remove()
280
try:
281
self.add()
282
except dbus.exceptions.DBusException as error:
283
logger.critical("D-Bus Exception", exc_info=error)
284
self.cleanup()
285
os._exit(1)
168
self.add()
286
169
self.rename_count += 1
287
288
170
def remove(self):
289
171
"""Derived from the Avahi example code"""
290
if self.entry_group_state_changed_match is not None:
291
self.entry_group_state_changed_match.remove()
292
self.entry_group_state_changed_match = None
293
172
if self.group is not None:
294
173
self.group.Reset()
295
296
174
def add(self):
297
175
"""Derived from the Avahi example code"""
298
self.remove()
299
176
if self.group is None:
300
177
self.group = dbus.Interface(
301
178
self.bus.get_object(avahi.DBUS_NAME,
302
179
self.server.EntryGroupNew()),
303
180
avahi.DBUS_INTERFACE_ENTRY_GROUP)
304
self.entry_group_state_changed_match = (
305
self.group.connect_to_signal(
306
'StateChanged', self.entry_group_state_changed))
307
logger.debug("Adding Zeroconf service '%s' of type '%s' ...",
181
self.group.connect_to_signal('StateChanged',
182
self
183
.entry_group_state_changed)
184
logger.debug(u"Adding Zeroconf service '%s' of type '%s' ...",
308
185
self.name, self.type)
309
186
self.group.AddService(
310
187
self.interface,
315
192
dbus.UInt16(self.port),
316
193
avahi.string_array_to_txt_array(self.TXT))
317
194
self.group.Commit()
318
319
195
def entry_group_state_changed(self, state, error):
320
196
"""Derived from the Avahi example code"""
321
logger.debug("Avahi entry group state change: %i", state)
197
logger.debug(u"Avahi entry group state change: %i", state)
322
198
323
199
if state == avahi.ENTRY_GROUP_ESTABLISHED:
324
logger.debug("Zeroconf service established.")
200
logger.debug(u"Zeroconf service established.")
325
201
elif state == avahi.ENTRY_GROUP_COLLISION:
326
logger.info("Zeroconf service name collision.")
202
logger.warning(u"Zeroconf service name collision.")
327
203
self.rename()
328
204
elif state == avahi.ENTRY_GROUP_FAILURE:
329
logger.critical("Avahi: Error in group state changed %s",
205
logger.critical(u"Avahi: Error in group state changed %s",
330
206
unicode(error))
331
raise AvahiGroupError("State changed: {0!s}"
332
.format(error))
333
207
raise AvahiGroupError(u"State changed: %s"
208
% unicode(error))
334
209
def cleanup(self):
335
210
"""Derived from the Avahi example code"""
336
211
if self.group is not None:
337
try:
338
self.group.Free()
339
except (dbus.exceptions.UnknownMethodException,
340
dbus.exceptions.DBusException):
341
pass
212
self.group.Free()
342
213
self.group = None
343
self.remove()
344
345
def server_state_changed(self, state, error=None):
214
def server_state_changed(self, state):
346
215
"""Derived from the Avahi example code"""
347
logger.debug("Avahi server state change: %i", state)
348
bad_states = { avahi.SERVER_INVALID:
349
"Zeroconf server invalid",
350
avahi.SERVER_REGISTERING: None,
351
avahi.SERVER_COLLISION:
352
"Zeroconf server name collision",
353
avahi.SERVER_FAILURE:
354
"Zeroconf server failure" }
355
if state in bad_states:
356
if bad_states[state] is not None:
357
if error is None:
358
logger.error(bad_states[state])
359
else:
360
logger.error(bad_states[state] + ": %r", error)
361
self.cleanup()
216
logger.debug(u"Avahi server state change: %i", state)
217
if state == avahi.SERVER_COLLISION:
218
logger.error(u"Zeroconf server name collision")
219
self.remove()
362
220
elif state == avahi.SERVER_RUNNING:
363
221
self.add()
364
else:
365
if error is None:
366
logger.debug("Unknown state: %r", state)
367
else:
368
logger.debug("Unknown state: %r: %r", state, error)
369
370
222
def activate(self):
371
223
"""Derived from the Avahi example code"""
372
224
if self.server is None:
373
225
self.server = dbus.Interface(
374
226
self.bus.get_object(avahi.DBUS_NAME,
375
avahi.DBUS_PATH_SERVER,
376
follow_name_owner_changes=True),
227
avahi.DBUS_PATH_SERVER),
377
228
avahi.DBUS_INTERFACE_SERVER)
378
self.server.connect_to_signal("StateChanged",
229
self.server.connect_to_signal(u"StateChanged",
379
230
self.server_state_changed)
380
231
self.server_state_changed(self.server.GetState())
381
232
382
233
383
class AvahiServiceToSyslog(AvahiService):
384
def rename(self):
385
"""Add the new name to the syslog messages"""
386
ret = AvahiService.rename(self)
387
syslogger.setFormatter(logging.Formatter
388
('Mandos ({0}) [%(process)d]:'
389
' %(levelname)s: %(message)s'
390
.format(self.name)))
391
return ret
392
393
394
def timedelta_to_milliseconds(td):
395
"Convert a datetime.timedelta() to milliseconds"
396
return ((td.days * 24 * 60 * 60 * 1000)
397
+ (td.seconds * 1000)
398
+ (td.microseconds // 1000))
399
400
401
234
class Client(object):
402
235
"""A representation of a client host served by this server.
403
236
404
237
Attributes:
405
approved: bool(); 'None' if not yet approved/disapproved
406
approval_delay: datetime.timedelta(); Time to wait for approval
407
approval_duration: datetime.timedelta(); Duration of one approval
238
name: string; from the config file, used in log messages and
239
D-Bus identifiers
240
fingerprint: string (40 or 32 hexadecimal digits); used to
241
uniquely identify the client
242
secret: bytestring; sent verbatim (over TLS) to client
243
host: string; available for use by the checker command
244
created: datetime.datetime(); (UTC) object creation
245
last_enabled: datetime.datetime(); (UTC)
246
enabled: bool()
247
last_checked_ok: datetime.datetime(); (UTC) or None
248
timeout: datetime.timedelta(); How long from last_checked_ok
249
until this client is disabled
250
interval: datetime.timedelta(); How often to start a new checker
251
disable_hook: If set, called by disable() as disable_hook(self)
408
252
checker: subprocess.Popen(); a running checker process used
409
253
to see if the client lives.
410
254
'None' if no process is running.
411
checker_callback_tag: a gobject event source tag, or None
412
checker_command: string; External command which is run to check
413
if client lives. %() expansions are done at
255
checker_initiator_tag: a gobject event source tag, or None
256
disable_initiator_tag: - '' -
257
checker_callback_tag: - '' -
258
checker_command: string; External command which is run to check if
259
client lives. %() expansions are done at
414
260
runtime with vars(self) as dict, so that for
415
261
instance %(name)s can be used in the command.
416
checker_initiator_tag: a gobject event source tag, or None
417
created: datetime.datetime(); (UTC) object creation
418
client_structure: Object describing what attributes a client has
419
and is used for storing the client at exit
420
262
current_checker_command: string; current running checker_command
421
disable_initiator_tag: a gobject event source tag, or None
422
enabled: bool()
423
fingerprint: string (40 or 32 hexadecimal digits); used to
424
uniquely identify the client
425
host: string; available for use by the checker command
426
interval: datetime.timedelta(); How often to start a new checker
427
last_approval_request: datetime.datetime(); (UTC) or None
428
last_checked_ok: datetime.datetime(); (UTC) or None
429
last_checker_status: integer between 0 and 255 reflecting exit
430
status of last checker. -1 reflects crashed
431
checker, -2 means no checker completed yet.
432
last_enabled: datetime.datetime(); (UTC) or None
433
name: string; from the config file, used in log messages and
434
D-Bus identifiers
435
secret: bytestring; sent verbatim (over TLS) to client
436
timeout: datetime.timedelta(); How long from last_checked_ok
437
until this client is disabled
438
extended_timeout: extra long timeout when secret has been sent
439
runtime_expansions: Allowed attributes for runtime expansion.
440
expires: datetime.datetime(); time (UTC) when a client will be
441
disabled, or None
263
approved_delay: datetime.timedelta(); Time to wait for approval
264
_approved: bool(); 'None' if not yet approved/disapproved
265
approved_duration: datetime.timedelta(); Duration of one approval
442
266
"""
443
267
444
runtime_expansions = ("approval_delay", "approval_duration",
445
"created", "enabled", "expires",
446
"fingerprint", "host", "interval",
447
"last_approval_request", "last_checked_ok",
448
"last_enabled", "name", "timeout")
449
client_defaults = { "timeout": "5m",
450
"extended_timeout": "15m",
451
"interval": "2m",
452
"checker": "fping -q -- %%(host)s",
453
"host": "",
454
"approval_delay": "0s",
455
"approval_duration": "1s",
456
"approved_by_default": "True",
457
"enabled": "True",
458
}
268
@staticmethod
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))
459
274
460
275
def timeout_milliseconds(self):
461
276
"Return the 'timeout' attribute in milliseconds"
462
return timedelta_to_milliseconds(self.timeout)
463
464
def extended_timeout_milliseconds(self):
465
"Return the 'extended_timeout' attribute in milliseconds"
466
return timedelta_to_milliseconds(self.extended_timeout)
277
return self._timedelta_to_milliseconds(self.timeout)
467
278
468
279
def interval_milliseconds(self):
469
280
"Return the 'interval' attribute in milliseconds"
470
return timedelta_to_milliseconds(self.interval)
471
472
def approval_delay_milliseconds(self):
473
return timedelta_to_milliseconds(self.approval_delay)
474
475
@staticmethod
476
def config_parser(config):
477
"""Construct a new dict of client settings of this form:
478
{ client_name: {setting_name: value, ...}, ...}
479
with exceptions for any special settings as defined above.
480
NOTE: Must be a pure function. Must return the same result
481
value given the same arguments.
482
"""
483
settings = {}
484
for client_name in config.sections():
485
section = dict(config.items(client_name))
486
client = settings[client_name] = {}
487
488
client["host"] = section["host"]
489
# Reformat values from string types to Python types
490
client["approved_by_default"] = config.getboolean(
491
client_name, "approved_by_default")
492
client["enabled"] = config.getboolean(client_name,
493
"enabled")
494
495
client["fingerprint"] = (section["fingerprint"].upper()
496
.replace(" ", ""))
497
if "secret" in section:
498
client["secret"] = section["secret"].decode("base64")
499
elif "secfile" in section:
500
with open(os.path.expanduser(os.path.expandvars
501
(section["secfile"])),
502
"rb") as secfile:
503
client["secret"] = secfile.read()
504
else:
505
raise TypeError("No secret or secfile for section {0}"
506
.format(section))
507
client["timeout"] = string_to_delta(section["timeout"])
508
client["extended_timeout"] = string_to_delta(
509
section["extended_timeout"])
510
client["interval"] = string_to_delta(section["interval"])
511
client["approval_delay"] = string_to_delta(
512
section["approval_delay"])
513
client["approval_duration"] = string_to_delta(
514
section["approval_duration"])
515
client["checker_command"] = section["checker"]
516
client["last_approval_request"] = None
517
client["last_checked_ok"] = None
518
client["last_checker_status"] = -2
519
520
return settings
521
522
def __init__(self, settings, name = None):
281
return self._timedelta_to_milliseconds(self.interval)
282
283
def approved_delay_milliseconds(self):
284
return self._timedelta_to_milliseconds(self.approved_delay)
285
286
def __init__(self, name = None, disable_hook=None, config=None):
287
"""Note: the 'checker' key in 'config' sets the
288
'checker_command' attribute and *not* the 'checker'
289
attribute."""
523
290
self.name = name
524
# adding all client settings
525
for setting, value in settings.iteritems():
526
setattr(self, setting, value)
527
528
if self.enabled:
529
if not hasattr(self, "last_enabled"):
530
self.last_enabled = datetime.datetime.utcnow()
531
if not hasattr(self, "expires"):
532
self.expires = (datetime.datetime.utcnow()
533
+ self.timeout)
534
else:
535
self.last_enabled = None
536
self.expires = None
537
538
logger.debug("Creating client %r", self.name)
291
if config is None:
292
config = {}
293
logger.debug(u"Creating client %r", self.name)
539
294
# Uppercase and remove spaces from fingerprint for later
540
295
# comparison purposes with return value from the fingerprint()
541
296
# function
542
logger.debug(" Fingerprint: %s", self.fingerprint)
543
self.created = settings.get("created",
544
datetime.datetime.utcnow())
545
546
# attributes specific for this server instance
297
self.fingerprint = (config[u"fingerprint"].upper()
298
.replace(u" ", u""))
299
logger.debug(u" Fingerprint: %s", self.fingerprint)
300
if u"secret" in config:
301
self.secret = config[u"secret"].decode(u"base64")
302
elif u"secfile" in config:
303
with open(os.path.expanduser(os.path.expandvars
304
(config[u"secfile"])),
305
"rb") as secfile:
306
self.secret = secfile.read()
307
else:
308
raise TypeError(u"No secret or secfile for client %s"
309
% self.name)
310
self.host = config.get(u"host", u"")
311
self.created = datetime.datetime.utcnow()
312
self.enabled = False
313
self.last_enabled = None
314
self.last_checked_ok = None
315
self.timeout = string_to_delta(config[u"timeout"])
316
self.interval = string_to_delta(config[u"interval"])
317
self.disable_hook = disable_hook
547
318
self.checker = None
548
319
self.checker_initiator_tag = None
549
320
self.disable_initiator_tag = None
550
321
self.checker_callback_tag = None
322
self.checker_command = config[u"checker"]
551
323
self.current_checker_command = None
552
self.approved = None
324
self.last_connect = None
325
self._approved = None
326
self.approved_by_default = config.get(u"approved_by_default",
327
True)
553
328
self.approvals_pending = 0
554
self.changedstate = (multiprocessing_manager
555
.Condition(multiprocessing_manager
556
.Lock()))
557
self.client_structure = [attr for attr in
558
self.__dict__.iterkeys()
559
if not attr.startswith("_")]
560
self.client_structure.append("client_structure")
561
562
for name, t in inspect.getmembers(type(self),
563
lambda obj:
564
isinstance(obj,
565
property)):
566
if not name.startswith("_"):
567
self.client_structure.append(name)
329
self.approved_delay = string_to_delta(
330
config[u"approved_delay"])
331
self.approved_duration = string_to_delta(
332
config[u"approved_duration"])
333
self.changedstate = multiprocessing_manager.Condition(multiprocessing_manager.Lock())
568
334
569
# Send notice to process children that client state has changed
570
335
def send_changedstate(self):
571
with self.changedstate:
572
self.changedstate.notify_all()
573
336
self.changedstate.acquire()
337
self.changedstate.notify_all()
338
self.changedstate.release()
339
574
340
def enable(self):
575
341
"""Start this client's checker and timeout hooks"""
576
if getattr(self, "enabled", False):
342
if getattr(self, u"enabled", False):
577
343
# Already enabled
578
344
return
579
self.expires = datetime.datetime.utcnow() + self.timeout
580
self.enabled = True
345
self.send_changedstate()
581
346
self.last_enabled = datetime.datetime.utcnow()
582
self.init_checker()
583
self.send_changedstate()
584
585
def disable(self, quiet=True):
586
"""Disable this client."""
587
if not getattr(self, "enabled", False):
588
return False
589
if not quiet:
590
logger.info("Disabling client %s", self.name)
591
if getattr(self, "disable_initiator_tag", None) is not None:
592
gobject.source_remove(self.disable_initiator_tag)
593
self.disable_initiator_tag = None
594
self.expires = None
595
if getattr(self, "checker_initiator_tag", None) is not None:
596
gobject.source_remove(self.checker_initiator_tag)
597
self.checker_initiator_tag = None
598
self.stop_checker()
599
self.enabled = False
600
if not quiet:
601
self.send_changedstate()
602
# Do not run this again if called by a gobject.timeout_add
603
return False
604
605
def __del__(self):
606
self.disable()
607
608
def init_checker(self):
609
347
# Schedule a new checker to be started an 'interval' from now,
610
348
# and every interval from then on.
611
if self.checker_initiator_tag is not None:
612
gobject.source_remove(self.checker_initiator_tag)
613
349
self.checker_initiator_tag = (gobject.timeout_add
614
350
(self.interval_milliseconds(),
615
351
self.start_checker))
616
352
# Schedule a disable() when 'timeout' has passed
617
if self.disable_initiator_tag is not None:
618
gobject.source_remove(self.disable_initiator_tag)
619
353
self.disable_initiator_tag = (gobject.timeout_add
620
354
(self.timeout_milliseconds(),
621
355
self.disable))
356
self.enabled = True
622
357
# Also start a new checker *right now*.
623
358
self.start_checker()
624
359
360
def disable(self, quiet=True):
361
"""Disable this client."""
362
if not getattr(self, "enabled", False):
363
return False
364
if not quiet:
365
self.send_changedstate()
366
if not quiet:
367
logger.info(u"Disabling client %s", self.name)
368
if getattr(self, u"disable_initiator_tag", False):
369
gobject.source_remove(self.disable_initiator_tag)
370
self.disable_initiator_tag = None
371
if getattr(self, u"checker_initiator_tag", False):
372
gobject.source_remove(self.checker_initiator_tag)
373
self.checker_initiator_tag = None
374
self.stop_checker()
375
if self.disable_hook:
376
self.disable_hook(self)
377
self.enabled = False
378
# Do not run this again if called by a gobject.timeout_add
379
return False
380
381
def __del__(self):
382
self.disable_hook = None
383
self.disable()
384
625
385
def checker_callback(self, pid, condition, command):
626
386
"""The checker has completed, so take appropriate actions."""
627
387
self.checker_callback_tag = None
628
388
self.checker = None
629
389
if os.WIFEXITED(condition):
630
self.last_checker_status = os.WEXITSTATUS(condition)
631
if self.last_checker_status == 0:
632
logger.info("Checker for %(name)s succeeded",
390
exitstatus = os.WEXITSTATUS(condition)
391
if exitstatus == 0:
392
logger.info(u"Checker for %(name)s succeeded",
633
393
vars(self))
634
394
self.checked_ok()
635
395
else:
636
logger.info("Checker for %(name)s failed",
396
logger.info(u"Checker for %(name)s failed",
637
397
vars(self))
638
398
else:
639
self.last_checker_status = -1
640
logger.warning("Checker for %(name)s crashed?",
399
logger.warning(u"Checker for %(name)s crashed?",
641
400
vars(self))
642
401
643
402
def checked_ok(self):
644
"""Assert that the client has been seen, alive and well."""
403
"""Bump up the timeout for this client.
404
405
This should only be called when the client has been seen,
406
alive and well.
407
"""
645
408
self.last_checked_ok = datetime.datetime.utcnow()
646
self.last_checker_status = 0
647
self.bump_timeout()
648
649
def bump_timeout(self, timeout=None):
650
"""Bump up the timeout for this client."""
651
if timeout is None:
652
timeout = self.timeout
653
if self.disable_initiator_tag is not None:
654
gobject.source_remove(self.disable_initiator_tag)
655
self.disable_initiator_tag = None
656
if getattr(self, "enabled", False):
657
self.disable_initiator_tag = (gobject.timeout_add
658
(timedelta_to_milliseconds
659
(timeout), self.disable))
660
self.expires = datetime.datetime.utcnow() + timeout
661
662
def need_approval(self):
663
self.last_approval_request = datetime.datetime.utcnow()
409
gobject.source_remove(self.disable_initiator_tag)
410
self.disable_initiator_tag = (gobject.timeout_add
411
(self.timeout_milliseconds(),
412
self.disable))
664
413
665
414
def start_checker(self):
666
415
"""Start a new checker subprocess if one is not running.
668
417
If a checker already exists, leave it running and do
669
418
nothing."""
670
419
# The reason for not killing a running checker is that if we
671
# did that, and if a checker (for some reason) started running
672
# slowly and taking more than 'interval' time, then the client
673
# would inevitably timeout, since no checker would get a
674
# chance to run to completion. If we instead leave running
420
# did that, then if a checker (for some reason) started
421
# running slowly and taking more than 'interval' time, the
422
# client would inevitably timeout, since no checker would get
423
# a chance to run to completion. If we instead leave running
675
424
# checkers alone, the checker would have to take more time
676
425
# than 'timeout' for the client to be disabled, which is as it
677
426
# should be.
679
428
# If a checker exists, make sure it is not a zombie
680
429
try:
681
430
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
682
except (AttributeError, OSError) as error:
431
except (AttributeError, OSError), error:
683
432
if (isinstance(error, OSError)
684
433
and error.errno != errno.ECHILD):
685
434
raise error
686
435
else:
687
436
if pid:
688
logger.warning("Checker was a zombie")
437
logger.warning(u"Checker was a zombie")
689
438
gobject.source_remove(self.checker_callback_tag)
690
439
self.checker_callback(pid, status,
691
440
self.current_checker_command)
692
441
# Start a new checker if needed
693
442
if self.checker is None:
694
# Escape attributes for the shell
695
escaped_attrs = dict(
696
(attr, re.escape(unicode(getattr(self, attr))))
697
for attr in
698
self.runtime_expansions)
699
443
try:
700
command = self.checker_command % escaped_attrs
701
except TypeError as error:
702
logger.error('Could not format string "%s"',
703
self.checker_command, exc_info=error)
704
return True # Try again later
444
# In case checker_command has exactly one % operator
445
command = self.checker_command % self.host
446
except TypeError:
447
# Escape attributes for the shell
448
escaped_attrs = dict((key,
449
re.escape(unicode(str(val),
450
errors=
451
u'replace')))
452
for key, val in
453
vars(self).iteritems())
454
try:
455
command = self.checker_command % escaped_attrs
456
except TypeError, error:
457
logger.error(u'Could not format string "%s":'
458
u' %s', self.checker_command, error)
459
return True # Try again later
705
460
self.current_checker_command = command
706
461
try:
707
logger.info("Starting checker %r for %s",
462
logger.info(u"Starting checker %r for %s",
708
463
command, self.name)
709
464
# We don't need to redirect stdout and stderr, since
710
465
# in normal mode, that is already done by daemon(),
712
467
# always replaced by /dev/null.)
713
468
self.checker = subprocess.Popen(command,
714
469
close_fds=True,
715
shell=True, cwd="/")
716
except OSError as error:
717
logger.error("Failed to start subprocess",
718
exc_info=error)
719
self.checker_callback_tag = (gobject.child_watch_add
720
(self.checker.pid,
721
self.checker_callback,
722
data=command))
723
# The checker may have completed before the gobject
724
# watch was added. Check for this.
725
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
726
if pid:
727
gobject.source_remove(self.checker_callback_tag)
728
self.checker_callback(pid, status, command)
470
shell=True, cwd=u"/")
471
self.checker_callback_tag = (gobject.child_watch_add
472
(self.checker.pid,
473
self.checker_callback,
474
data=command))
475
# The checker may have completed before the gobject
476
# watch was added. Check for this.
477
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
478
if pid:
479
gobject.source_remove(self.checker_callback_tag)
480
self.checker_callback(pid, status, command)
481
except OSError, error:
482
logger.error(u"Failed to start subprocess: %s",
483
error)
729
484
# Re-run this periodically if run by gobject.timeout_add
730
485
return True
731
486
734
489
if self.checker_callback_tag:
735
490
gobject.source_remove(self.checker_callback_tag)
736
491
self.checker_callback_tag = None
737
if getattr(self, "checker", None) is None:
492
if getattr(self, u"checker", None) is None:
738
493
return
739
logger.debug("Stopping checker for %(name)s", vars(self))
494
logger.debug(u"Stopping checker for %(name)s", vars(self))
740
495
try:
741
self.checker.terminate()
496
os.kill(self.checker.pid, signal.SIGTERM)
742
497
#time.sleep(0.5)
743
498
#if self.checker.poll() is None:
744
# self.checker.kill()
745
except OSError as error:
499
# os.kill(self.checker.pid, signal.SIGKILL)
500
except OSError, error:
746
501
if error.errno != errno.ESRCH: # No such process
747
502
raise
748
503
self.checker = None
749
504
750
751
def dbus_service_property(dbus_interface, signature="v",
752
access="readwrite", byte_arrays=False):
505
def dbus_service_property(dbus_interface, signature=u"v",
506
access=u"readwrite", byte_arrays=False):
753
507
"""Decorators for marking methods of a DBusObjectWithProperties to
754
508
become properties on the D-Bus.
755
509
762
516
"""
763
517
# Encoding deeply encoded byte arrays is not supported yet by the
764
518
# "Set" method, so we fail early here:
765
if byte_arrays and signature != "ay":
766
raise ValueError("Byte arrays not supported for non-'ay'"
767
" signature {0!r}".format(signature))
519
if byte_arrays and signature != u"ay":
520
raise ValueError(u"Byte arrays not supported for non-'ay'"
521
u" signature %r" % signature)
768
522
def decorator(func):
769
523
func._dbus_is_property = True
770
524
func._dbus_interface = dbus_interface
771
525
func._dbus_signature = signature
772
526
func._dbus_access = access
773
527
func._dbus_name = func.__name__
774
if func._dbus_name.endswith("_dbus_property"):
528
if func._dbus_name.endswith(u"_dbus_property"):
775
529
func._dbus_name = func._dbus_name[:-14]
776
func._dbus_get_args_options = {'byte_arrays': byte_arrays }
777
return func
778
return decorator
779
780
781
def dbus_interface_annotations(dbus_interface):
782
"""Decorator for marking functions returning interface annotations
783
784
Usage:
785
786
@dbus_interface_annotations("org.example.Interface")
787
def _foo(self): # Function name does not matter
788
return {"org.freedesktop.DBus.Deprecated": "true",
789
"org.freedesktop.DBus.Property.EmitsChangedSignal":
790
"false"}
791
"""
792
def decorator(func):
793
func._dbus_is_interface = True
794
func._dbus_interface = dbus_interface
795
func._dbus_name = dbus_interface
796
return func
797
return decorator
798
799
800
def dbus_annotations(annotations):
801
"""Decorator to annotate D-Bus methods, signals or properties
802
Usage:
803
804
@dbus_service_property("org.example.Interface", signature="b",
805
access="r")
806
@dbus_annotations({{"org.freedesktop.DBus.Deprecated": "true",
807
"org.freedesktop.DBus.Property."
808
"EmitsChangedSignal": "false"})
809
def Property_dbus_property(self):
810
return dbus.Boolean(False)
811
"""
812
def decorator(func):
813
func._dbus_annotations = annotations
530
func._dbus_get_args_options = {u'byte_arrays': byte_arrays }
814
531
return func
815
532
return decorator
816
533
836
553
837
554
class DBusObjectWithProperties(dbus.service.Object):
838
555
"""A D-Bus object with properties.
839
556
840
557
Classes inheriting from this can use the dbus_service_property
841
558
decorator to expose methods as D-Bus properties. It exposes the
842
559
standard Get(), Set(), and GetAll() methods on the D-Bus.
843
560
"""
844
561
845
562
@staticmethod
846
def _is_dbus_thing(thing):
847
"""Returns a function testing if an attribute is a D-Bus thing
848
849
If called like _is_dbus_thing("method") it returns a function
850
suitable for use as predicate to inspect.getmembers().
851
"""
852
return lambda obj: getattr(obj, "_dbus_is_{0}".format(thing),
853
False)
563
def _is_dbus_property(obj):
564
return getattr(obj, u"_dbus_is_property", False)
854
565
855
def _get_all_dbus_things(self, thing):
566
def _get_all_dbus_properties(self):
856
567
"""Returns a generator of (name, attribute) pairs
857
568
"""
858
return ((getattr(athing.__get__(self), "_dbus_name",
859
name),
860
athing.__get__(self))
861
for cls in self.__class__.__mro__
862
for name, athing in
863
inspect.getmembers(cls,
864
self._is_dbus_thing(thing)))
569
return ((prop._dbus_name, prop)
570
for name, prop in
571
inspect.getmembers(self, self._is_dbus_property))
865
572
866
573
def _get_dbus_property(self, interface_name, property_name):
867
574
"""Returns a bound method if one exists which is a D-Bus
868
575
property with the specified name and interface.
869
576
"""
870
for cls in self.__class__.__mro__:
871
for name, value in (inspect.getmembers
872
(cls,
873
self._is_dbus_thing("property"))):
874
if (value._dbus_name == property_name
875
and value._dbus_interface == interface_name):
876
return value.__get__(self)
877
577
for name in (property_name,
578
property_name + u"_dbus_property"):
579
prop = getattr(self, name, None)
580
if (prop is None
581
or not self._is_dbus_property(prop)
582
or prop._dbus_name != property_name
583
or (interface_name and prop._dbus_interface
584
and interface_name != prop._dbus_interface)):
585
continue
586
return prop
878
587
# No such property
879
raise DBusPropertyNotFound(self.dbus_object_path + ":"
880
+ interface_name + "."
588
raise DBusPropertyNotFound(self.dbus_object_path + u":"
589
+ interface_name + u"."
881
590
+ property_name)
882
591
883
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ss",
884
out_signature="v")
592
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ss",
593
out_signature=u"v")
885
594
def Get(self, interface_name, property_name):
886
595
"""Standard D-Bus property Get() method, see D-Bus standard.
887
596
"""
888
597
prop = self._get_dbus_property(interface_name, property_name)
889
if prop._dbus_access == "write":
598
if prop._dbus_access == u"write":
890
599
raise DBusPropertyAccessException(property_name)
891
600
value = prop()
892
if not hasattr(value, "variant_level"):
601
if not hasattr(value, u"variant_level"):
893
602
return value
894
603
return type(value)(value, variant_level=value.variant_level+1)
895
604
896
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ssv")
605
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ssv")
897
606
def Set(self, interface_name, property_name, value):
898
607
"""Standard D-Bus property Set() method, see D-Bus standard.
899
608
"""
900
609
prop = self._get_dbus_property(interface_name, property_name)
901
if prop._dbus_access == "read":
610
if prop._dbus_access == u"read":
902
611
raise DBusPropertyAccessException(property_name)
903
if prop._dbus_get_args_options["byte_arrays"]:
612
if prop._dbus_get_args_options[u"byte_arrays"]:
904
613
# The byte_arrays option is not supported yet on
905
614
# signatures other than "ay".
906
if prop._dbus_signature != "ay":
615
if prop._dbus_signature != u"ay":
907
616
raise ValueError
908
value = dbus.ByteArray(b''.join(chr(byte)
909
for byte in value))
617
value = dbus.ByteArray(''.join(unichr(byte)
618
for byte in value))
910
619
prop(value)
911
620
912
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="s",
913
out_signature="a{sv}")
621
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"s",
622
out_signature=u"a{sv}")
914
623
def GetAll(self, interface_name):
915
624
"""Standard D-Bus property GetAll() method, see D-Bus
916
625
standard.
917
626
918
627
Note: Will not include properties with access="write".
919
628
"""
920
properties = {}
921
for name, prop in self._get_all_dbus_things("property"):
629
all = {}
630
for name, prop in self._get_all_dbus_properties():
922
631
if (interface_name
923
632
and interface_name != prop._dbus_interface):
924
633
# Interface non-empty but did not match
925
634
continue
926
635
# Ignore write-only properties
927
if prop._dbus_access == "write":
636
if prop._dbus_access == u"write":
928
637
continue
929
638
value = prop()
930
if not hasattr(value, "variant_level"):
931
properties[name] = value
639
if not hasattr(value, u"variant_level"):
640
all[name] = value
932
641
continue
933
properties[name] = type(value)(value, variant_level=
934
value.variant_level+1)
935
return dbus.Dictionary(properties, signature="sv")
642
all[name] = type(value)(value, variant_level=
643
value.variant_level+1)
644
return dbus.Dictionary(all, signature=u"sv")
936
645
937
646
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
938
out_signature="s",
647
out_signature=u"s",
939
648
path_keyword='object_path',
940
649
connection_keyword='connection')
941
650
def Introspect(self, object_path, connection):
942
"""Overloading of standard D-Bus method.
943
944
Inserts property tags and interface annotation tags.
651
"""Standard D-Bus method, overloaded to insert property tags.
945
652
"""
946
653
xmlstring = dbus.service.Object.Introspect(self, object_path,
947
654
connection)
948
655
try:
949
656
document = xml.dom.minidom.parseString(xmlstring)
950
657
def make_tag(document, name, prop):
951
e = document.createElement("property")
952
e.setAttribute("name", name)
953
e.setAttribute("type", prop._dbus_signature)
954
e.setAttribute("access", prop._dbus_access)
658
e = document.createElement(u"property")
659
e.setAttribute(u"name", name)
660
e.setAttribute(u"type", prop._dbus_signature)
661
e.setAttribute(u"access", prop._dbus_access)
955
662
return e
956
for if_tag in document.getElementsByTagName("interface"):
957
# Add property tags
663
for if_tag in document.getElementsByTagName(u"interface"):
958
664
for tag in (make_tag(document, name, prop)
959
665
for name, prop
960
in self._get_all_dbus_things("property")
666
in self._get_all_dbus_properties()
961
667
if prop._dbus_interface
962
== if_tag.getAttribute("name")):
668
== if_tag.getAttribute(u"name")):
963
669
if_tag.appendChild(tag)
964
# Add annotation tags
965
for typ in ("method", "signal", "property"):
966
for tag in if_tag.getElementsByTagName(typ):
967
annots = dict()
968
for name, prop in (self.
969
_get_all_dbus_things(typ)):
970
if (name == tag.getAttribute("name")
971
and prop._dbus_interface
972
== if_tag.getAttribute("name")):
973
annots.update(getattr
974
(prop,
975
"_dbus_annotations",
976
{}))
977
for name, value in annots.iteritems():
978
ann_tag = document.createElement(
979
"annotation")
980
ann_tag.setAttribute("name", name)
981
ann_tag.setAttribute("value", value)
982
tag.appendChild(ann_tag)
983
# Add interface annotation tags
984
for annotation, value in dict(
985
itertools.chain.from_iterable(
986
annotations().iteritems()
987
for name, annotations in
988
self._get_all_dbus_things("interface")
989
if name == if_tag.getAttribute("name")
990
)).iteritems():
991
ann_tag = document.createElement("annotation")
992
ann_tag.setAttribute("name", annotation)
993
ann_tag.setAttribute("value", value)
994
if_tag.appendChild(ann_tag)
995
670
# Add the names to the return values for the
996
671
# "org.freedesktop.DBus.Properties" methods
997
if (if_tag.getAttribute("name")
998
== "org.freedesktop.DBus.Properties"):
999
for cn in if_tag.getElementsByTagName("method"):
1000
if cn.getAttribute("name") == "Get":
1001
for arg in cn.getElementsByTagName("arg"):
1002
if (arg.getAttribute("direction")
1003
== "out"):
1004
arg.setAttribute("name", "value")
1005
elif cn.getAttribute("name") == "GetAll":
1006
for arg in cn.getElementsByTagName("arg"):
1007
if (arg.getAttribute("direction")
1008
== "out"):
1009
arg.setAttribute("name", "props")
1010
xmlstring = document.toxml("utf-8")
672
if (if_tag.getAttribute(u"name")
673
== u"org.freedesktop.DBus.Properties"):
674
for cn in if_tag.getElementsByTagName(u"method"):
675
if cn.getAttribute(u"name") == u"Get":
676
for arg in cn.getElementsByTagName(u"arg"):
677
if (arg.getAttribute(u"direction")
678
== u"out"):
679
arg.setAttribute(u"name", u"value")
680
elif cn.getAttribute(u"name") == u"GetAll":
681
for arg in cn.getElementsByTagName(u"arg"):
682
if (arg.getAttribute(u"direction")
683
== u"out"):
684
arg.setAttribute(u"name", u"props")
685
xmlstring = document.toxml(u"utf-8")
1011
686
document.unlink()
1012
687
except (AttributeError, xml.dom.DOMException,
1013
xml.parsers.expat.ExpatError) as error:
1014
logger.error("Failed to override Introspection method",
1015
exc_info=error)
688
xml.parsers.expat.ExpatError), error:
689
logger.error(u"Failed to override Introspection method",
690
error)
1016
691
return xmlstring
1017
692
1018
693
1019
def datetime_to_dbus(dt, variant_level=0):
1020
"""Convert a UTC datetime.datetime() to a D-Bus type."""
1021
if dt is None:
1022
return dbus.String("", variant_level = variant_level)
1023
return dbus.String(dt.isoformat(),
1024
variant_level=variant_level)
1025
1026
1027
def alternate_dbus_interfaces(alt_interface_names, deprecate=True):
1028
"""A class decorator; applied to a subclass of
1029
dbus.service.Object, it will add alternate D-Bus attributes with
1030
interface names according to the "alt_interface_names" mapping.
1031
Usage:
1032
1033
@alternate_dbus_interfaces({"org.example.Interface":
1034
"net.example.AlternateInterface"})
1035
class SampleDBusObject(dbus.service.Object):
1036
@dbus.service.method("org.example.Interface")
1037
def SampleDBusMethod():
1038
pass
1039
1040
The above "SampleDBusMethod" on "SampleDBusObject" will be
1041
reachable via two interfaces: "org.example.Interface" and
1042
"net.example.AlternateInterface", the latter of which will have
1043
its D-Bus annotation "org.freedesktop.DBus.Deprecated" set to
1044
"true", unless "deprecate" is passed with a False value.
1045
1046
This works for methods and signals, and also for D-Bus properties
1047
(from DBusObjectWithProperties) and interfaces (from the
1048
dbus_interface_annotations decorator).
1049
"""
1050
def wrapper(cls):
1051
for orig_interface_name, alt_interface_name in (
1052
alt_interface_names.iteritems()):
1053
attr = {}
1054
interface_names = set()
1055
# Go though all attributes of the class
1056
for attrname, attribute in inspect.getmembers(cls):
1057
# Ignore non-D-Bus attributes, and D-Bus attributes
1058
# with the wrong interface name
1059
if (not hasattr(attribute, "_dbus_interface")
1060
or not attribute._dbus_interface
1061
.startswith(orig_interface_name)):
1062
continue
1063
# Create an alternate D-Bus interface name based on
1064
# the current name
1065
alt_interface = (attribute._dbus_interface
1066
.replace(orig_interface_name,
1067
alt_interface_name))
1068
interface_names.add(alt_interface)
1069
# Is this a D-Bus signal?
1070
if getattr(attribute, "_dbus_is_signal", False):
1071
# Extract the original non-method function by
1072
# black magic
1073
nonmethod_func = (dict(
1074
zip(attribute.func_code.co_freevars,
1075
attribute.__closure__))["func"]
1076
.cell_contents)
1077
# Create a new, but exactly alike, function
1078
# object, and decorate it to be a new D-Bus signal
1079
# with the alternate D-Bus interface name
1080
new_function = (dbus.service.signal
1081
(alt_interface,
1082
attribute._dbus_signature)
1083
(types.FunctionType(
1084
nonmethod_func.func_code,
1085
nonmethod_func.func_globals,
1086
nonmethod_func.func_name,
1087
nonmethod_func.func_defaults,
1088
nonmethod_func.func_closure)))
1089
# Copy annotations, if any
1090
try:
1091
new_function._dbus_annotations = (
1092
dict(attribute._dbus_annotations))
1093
except AttributeError:
1094
pass
1095
# Define a creator of a function to call both the
1096
# original and alternate functions, so both the
1097
# original and alternate signals gets sent when
1098
# the function is called
1099
def fixscope(func1, func2):
1100
"""This function is a scope container to pass
1101
func1 and func2 to the "call_both" function
1102
outside of its arguments"""
1103
def call_both(*args, **kwargs):
1104
"""This function will emit two D-Bus
1105
signals by calling func1 and func2"""
1106
func1(*args, **kwargs)
1107
func2(*args, **kwargs)
1108
return call_both
1109
# Create the "call_both" function and add it to
1110
# the class
1111
attr[attrname] = fixscope(attribute, new_function)
1112
# Is this a D-Bus method?
1113
elif getattr(attribute, "_dbus_is_method", False):
1114
# Create a new, but exactly alike, function
1115
# object. Decorate it to be a new D-Bus method
1116
# with the alternate D-Bus interface name. Add it
1117
# to the class.
1118
attr[attrname] = (dbus.service.method
1119
(alt_interface,
1120
attribute._dbus_in_signature,
1121
attribute._dbus_out_signature)
1122
(types.FunctionType
1123
(attribute.func_code,
1124
attribute.func_globals,
1125
attribute.func_name,
1126
attribute.func_defaults,
1127
attribute.func_closure)))
1128
# Copy annotations, if any
1129
try:
1130
attr[attrname]._dbus_annotations = (
1131
dict(attribute._dbus_annotations))
1132
except AttributeError:
1133
pass
1134
# Is this a D-Bus property?
1135
elif getattr(attribute, "_dbus_is_property", False):
1136
# Create a new, but exactly alike, function
1137
# object, and decorate it to be a new D-Bus
1138
# property with the alternate D-Bus interface
1139
# name. Add it to the class.
1140
attr[attrname] = (dbus_service_property
1141
(alt_interface,
1142
attribute._dbus_signature,
1143
attribute._dbus_access,
1144
attribute
1145
._dbus_get_args_options
1146
["byte_arrays"])
1147
(types.FunctionType
1148
(attribute.func_code,
1149
attribute.func_globals,
1150
attribute.func_name,
1151
attribute.func_defaults,
1152
attribute.func_closure)))
1153
# Copy annotations, if any
1154
try:
1155
attr[attrname]._dbus_annotations = (
1156
dict(attribute._dbus_annotations))
1157
except AttributeError:
1158
pass
1159
# Is this a D-Bus interface?
1160
elif getattr(attribute, "_dbus_is_interface", False):
1161
# Create a new, but exactly alike, function
1162
# object. Decorate it to be a new D-Bus interface
1163
# with the alternate D-Bus interface name. Add it
1164
# to the class.
1165
attr[attrname] = (dbus_interface_annotations
1166
(alt_interface)
1167
(types.FunctionType
1168
(attribute.func_code,
1169
attribute.func_globals,
1170
attribute.func_name,
1171
attribute.func_defaults,
1172
attribute.func_closure)))
1173
if deprecate:
1174
# Deprecate all alternate interfaces
1175
iname="_AlternateDBusNames_interface_annotation{0}"
1176
for interface_name in interface_names:
1177
@dbus_interface_annotations(interface_name)
1178
def func(self):
1179
return { "org.freedesktop.DBus.Deprecated":
1180
"true" }
1181
# Find an unused name
1182
for aname in (iname.format(i)
1183
for i in itertools.count()):
1184
if aname not in attr:
1185
attr[aname] = func
1186
break
1187
if interface_names:
1188
# Replace the class with a new subclass of it with
1189
# methods, signals, etc. as created above.
1190
cls = type(b"{0}Alternate".format(cls.__name__),
1191
(cls,), attr)
1192
return cls
1193
return wrapper
1194
1195
1196
@alternate_dbus_interfaces({"se.recompile.Mandos":
1197
"se.bsnet.fukt.Mandos"})
1198
694
class ClientDBus(Client, DBusObjectWithProperties):
1199
695
"""A Client class using D-Bus
1200
696
1202
698
dbus_object_path: dbus.ObjectPath
1203
699
bus: dbus.SystemBus()
1204
700
"""
1205
1206
runtime_expansions = (Client.runtime_expansions
1207
+ ("dbus_object_path",))
1208
1209
701
# dbus.service.Object doesn't use super(), so we can't either.
1210
702
1211
703
def __init__(self, bus = None, *args, **kwargs):
704
self._approvals_pending = 0
1212
705
self.bus = bus
1213
706
Client.__init__(self, *args, **kwargs)
1214
707
# Only now, when this client is initialized, can it show up on
1215
708
# the D-Bus
1216
client_object_name = unicode(self.name).translate(
1217
{ord("."): ord("_"),
1218
ord("-"): ord("_")})
1219
709
self.dbus_object_path = (dbus.ObjectPath
1220
("/clients/" + client_object_name))
710
(u"/clients/"
711
+ self.name.replace(u".", u"_")))
1221
712
DBusObjectWithProperties.__init__(self, self.bus,
1222
713
self.dbus_object_path)
1223
1224
def notifychangeproperty(transform_func,
1225
dbus_name, type_func=lambda x: x,
1226
variant_level=1):
1227
""" Modify a variable so that it's a property which announces
1228
its changes to DBus.
1229
1230
transform_fun: Function that takes a value and a variant_level
1231
and transforms it to a D-Bus type.
1232
dbus_name: D-Bus name of the variable
1233
type_func: Function that transform the value before sending it
1234
to the D-Bus. Default: no transform
1235
variant_level: D-Bus variant level. Default: 1
1236
"""
1237
attrname = "_{0}".format(dbus_name)
1238
def setter(self, value):
1239
if hasattr(self, "dbus_object_path"):
1240
if (not hasattr(self, attrname) or
1241
type_func(getattr(self, attrname, None))
1242
!= type_func(value)):
1243
dbus_value = transform_func(type_func(value),
1244
variant_level
1245
=variant_level)
1246
self.PropertyChanged(dbus.String(dbus_name),
1247
dbus_value)
1248
setattr(self, attrname, value)
1249
1250
return property(lambda self: getattr(self, attrname), setter)
1251
1252
expires = notifychangeproperty(datetime_to_dbus, "Expires")
1253
approvals_pending = notifychangeproperty(dbus.Boolean,
1254
"ApprovalPending",
1255
type_func = bool)
1256
enabled = notifychangeproperty(dbus.Boolean, "Enabled")
1257
last_enabled = notifychangeproperty(datetime_to_dbus,
1258
"LastEnabled")
1259
checker = notifychangeproperty(dbus.Boolean, "CheckerRunning",
1260
type_func = lambda checker:
1261
checker is not None)
1262
last_checked_ok = notifychangeproperty(datetime_to_dbus,
1263
"LastCheckedOK")
1264
last_checker_status = notifychangeproperty(dbus.Int16,
1265
"LastCheckerStatus")
1266
last_approval_request = notifychangeproperty(
1267
datetime_to_dbus, "LastApprovalRequest")
1268
approved_by_default = notifychangeproperty(dbus.Boolean,
1269
"ApprovedByDefault")
1270
approval_delay = notifychangeproperty(dbus.UInt64,
1271
"ApprovalDelay",
1272
type_func =
1273
timedelta_to_milliseconds)
1274
approval_duration = notifychangeproperty(
1275
dbus.UInt64, "ApprovalDuration",
1276
type_func = timedelta_to_milliseconds)
1277
host = notifychangeproperty(dbus.String, "Host")
1278
timeout = notifychangeproperty(dbus.UInt64, "Timeout",
1279
type_func =
1280
timedelta_to_milliseconds)
1281
extended_timeout = notifychangeproperty(
1282
dbus.UInt64, "ExtendedTimeout",
1283
type_func = timedelta_to_milliseconds)
1284
interval = notifychangeproperty(dbus.UInt64,
1285
"Interval",
1286
type_func =
1287
timedelta_to_milliseconds)
1288
checker_command = notifychangeproperty(dbus.String, "Checker")
1289
1290
del notifychangeproperty
714
715
def _get_approvals_pending(self):
716
return self._approvals_pending
717
def _set_approvals_pending(self, value):
718
old_value = self._approvals_pending
719
self._approvals_pending = value
720
bval = bool(value)
721
if (hasattr(self, "dbus_object_path")
722
and bval is not bool(old_value)):
723
dbus_bool = dbus.Boolean(bval, variant_level=1)
724
self.PropertyChanged(dbus.String(u"approved_pending"),
725
dbus_bool)
726
727
approvals_pending = property(_get_approvals_pending,
728
_set_approvals_pending)
729
del _get_approvals_pending, _set_approvals_pending
730
731
@staticmethod
732
def _datetime_to_dbus(dt, variant_level=0):
733
"""Convert a UTC datetime.datetime() to a D-Bus type."""
734
return dbus.String(dt.isoformat(),
735
variant_level=variant_level)
736
737
def enable(self):
738
oldstate = getattr(self, u"enabled", False)
739
r = Client.enable(self)
740
if oldstate != self.enabled:
741
# Emit D-Bus signals
742
self.PropertyChanged(dbus.String(u"enabled"),
743
dbus.Boolean(True, variant_level=1))
744
self.PropertyChanged(
745
dbus.String(u"last_enabled"),
746
self._datetime_to_dbus(self.last_enabled,
747
variant_level=1))
748
return r
749
750
def disable(self, quiet = False):
751
oldstate = getattr(self, u"enabled", False)
752
r = Client.disable(self, quiet=quiet)
753
if not quiet and oldstate != self.enabled:
754
# Emit D-Bus signal
755
self.PropertyChanged(dbus.String(u"enabled"),
756
dbus.Boolean(False, variant_level=1))
757
return r
1291
758
1292
759
def __del__(self, *args, **kwargs):
1293
760
try:
1294
761
self.remove_from_connection()
1295
762
except LookupError:
1296
763
pass
1297
if hasattr(DBusObjectWithProperties, "__del__"):
764
if hasattr(DBusObjectWithProperties, u"__del__"):
1298
765
DBusObjectWithProperties.__del__(self, *args, **kwargs)
1299
766
Client.__del__(self, *args, **kwargs)
1300
767
1302
769
*args, **kwargs):
1303
770
self.checker_callback_tag = None
1304
771
self.checker = None
772
# Emit D-Bus signal
773
self.PropertyChanged(dbus.String(u"checker_running"),
774
dbus.Boolean(False, variant_level=1))
1305
775
if os.WIFEXITED(condition):
1306
776
exitstatus = os.WEXITSTATUS(condition)
1307
777
# Emit D-Bus signal
1317
787
return Client.checker_callback(self, pid, condition, command,
1318
788
*args, **kwargs)
1319
789
790
def checked_ok(self, *args, **kwargs):
791
r = Client.checked_ok(self, *args, **kwargs)
792
# Emit D-Bus signal
793
self.PropertyChanged(
794
dbus.String(u"last_checked_ok"),
795
(self._datetime_to_dbus(self.last_checked_ok,
796
variant_level=1)))
797
return r
798
1320
799
def start_checker(self, *args, **kwargs):
1321
800
old_checker = self.checker
1322
801
if self.checker is not None:
1329
808
and old_checker_pid != self.checker.pid):
1330
809
# Emit D-Bus signal
1331
810
self.CheckerStarted(self.current_checker_command)
811
self.PropertyChanged(
812
dbus.String(u"checker_running"),
813
dbus.Boolean(True, variant_level=1))
1332
814
return r
1333
815
816
def stop_checker(self, *args, **kwargs):
817
old_checker = getattr(self, u"checker", None)
818
r = Client.stop_checker(self, *args, **kwargs)
819
if (old_checker is not None
820
and getattr(self, u"checker", None) is None):
821
self.PropertyChanged(dbus.String(u"checker_running"),
822
dbus.Boolean(False, variant_level=1))
823
return r
824
1334
825
def _reset_approved(self):
1335
self.approved = None
826
self._approved = None
1336
827
return False
1337
828
1338
829
def approve(self, value=True):
1339
self.approved = value
1340
gobject.timeout_add(timedelta_to_milliseconds
1341
(self.approval_duration),
830
self.send_changedstate()
831
self._approved = value
832
gobject.timeout_add(self._timedelta_to_milliseconds(self.approved_duration),
1342
833
self._reset_approved)
1343
self.send_changedstate()
834
1344
835
1345
836
## D-Bus methods, signals & properties
1346
_interface = "se.recompile.Mandos.Client"
1347
1348
## Interfaces
1349
1350
@dbus_interface_annotations(_interface)
1351
def _foo(self):
1352
return { "org.freedesktop.DBus.Property.EmitsChangedSignal":
1353
"false"}
837
_interface = u"se.bsnet.fukt.Mandos.Client"
1354
838
1355
839
## Signals
1356
840
1357
841
# CheckerCompleted - signal
1358
@dbus.service.signal(_interface, signature="nxs")
842
@dbus.service.signal(_interface, signature=u"nxs")
1359
843
def CheckerCompleted(self, exitcode, waitstatus, command):
1360
844
"D-Bus signal"
1361
845
pass
1362
846
1363
847
# CheckerStarted - signal
1364
@dbus.service.signal(_interface, signature="s")
848
@dbus.service.signal(_interface, signature=u"s")
1365
849
def CheckerStarted(self, command):
1366
850
"D-Bus signal"
1367
851
pass
1368
852
1369
853
# PropertyChanged - signal
1370
@dbus.service.signal(_interface, signature="sv")
854
@dbus.service.signal(_interface, signature=u"sv")
1371
855
def PropertyChanged(self, property, value):
1372
856
"D-Bus signal"
1373
857
pass
1382
866
pass
1383
867
1384
868
# Rejected - signal
1385
@dbus.service.signal(_interface, signature="s")
869
@dbus.service.signal(_interface, signature=u"s")
1386
870
def Rejected(self, reason):
1387
871
"D-Bus signal"
1388
872
pass
1389
873
1390
874
# NeedApproval - signal
1391
@dbus.service.signal(_interface, signature="tb")
875
@dbus.service.signal(_interface, signature=u"db")
1392
876
def NeedApproval(self, timeout, default):
1393
877
"D-Bus signal"
1394
return self.need_approval()
878
pass
1395
879
1396
880
## Methods
1397
881
1398
882
# Approve - method
1399
@dbus.service.method(_interface, in_signature="b")
883
@dbus.service.method(_interface, in_signature=u"b")
1400
884
def Approve(self, value):
1401
885
self.approve(value)
1402
886
1403
887
# CheckedOK - method
1404
888
@dbus.service.method(_interface)
1405
889
def CheckedOK(self):
1406
self.checked_ok()
890
return self.checked_ok()
1407
891
1408
892
# Enable - method
1409
893
@dbus.service.method(_interface)
1430
914
1431
915
## Properties
1432
916
1433
# ApprovalPending - property
1434
@dbus_service_property(_interface, signature="b", access="read")
1435
def ApprovalPending_dbus_property(self):
917
# approved_pending - property
918
@dbus_service_property(_interface, signature=u"b", access=u"read")
919
def approved_pending_dbus_property(self):
1436
920
return dbus.Boolean(bool(self.approvals_pending))
1437
921
1438
# ApprovedByDefault - property
1439
@dbus_service_property(_interface, signature="b",
1440
access="readwrite")
1441
def ApprovedByDefault_dbus_property(self, value=None):
1442
if value is None: # get
1443
return dbus.Boolean(self.approved_by_default)
1444
self.approved_by_default = bool(value)
1445
1446
# ApprovalDelay - property
1447
@dbus_service_property(_interface, signature="t",
1448
access="readwrite")
1449
def ApprovalDelay_dbus_property(self, value=None):
1450
if value is None: # get
1451
return dbus.UInt64(self.approval_delay_milliseconds())
1452
self.approval_delay = datetime.timedelta(0, 0, 0, value)
1453
1454
# ApprovalDuration - property
1455
@dbus_service_property(_interface, signature="t",
1456
access="readwrite")
1457
def ApprovalDuration_dbus_property(self, value=None):
1458
if value is None: # get
1459
return dbus.UInt64(timedelta_to_milliseconds(
1460
self.approval_duration))
1461
self.approval_duration = datetime.timedelta(0, 0, 0, value)
1462
1463
# Name - property
1464
@dbus_service_property(_interface, signature="s", access="read")
1465
def Name_dbus_property(self):
922
# approved_by_default - property
923
@dbus_service_property(_interface, signature=u"b",
924
access=u"readwrite")
925
def approved_by_default_dbus_property(self):
926
return dbus.Boolean(self.approved_by_default)
927
928
# approved_delay - property
929
@dbus_service_property(_interface, signature=u"t",
930
access=u"readwrite")
931
def approved_delay_dbus_property(self):
932
return dbus.UInt64(self.approved_delay_milliseconds())
933
934
# approved_duration - property
935
@dbus_service_property(_interface, signature=u"t",
936
access=u"readwrite")
937
def approved_duration_dbus_property(self):
938
return dbus.UInt64(self._timedelta_to_milliseconds(
939
self.approved_duration))
940
941
# name - property
942
@dbus_service_property(_interface, signature=u"s", access=u"read")
943
def name_dbus_property(self):
1466
944
return dbus.String(self.name)
1467
945
1468
# Fingerprint - property
1469
@dbus_service_property(_interface, signature="s", access="read")
1470
def Fingerprint_dbus_property(self):
946
# fingerprint - property
947
@dbus_service_property(_interface, signature=u"s", access=u"read")
948
def fingerprint_dbus_property(self):
1471
949
return dbus.String(self.fingerprint)
1472
950
1473
# Host - property
1474
@dbus_service_property(_interface, signature="s",
1475
access="readwrite")
1476
def Host_dbus_property(self, value=None):
951
# host - property
952
@dbus_service_property(_interface, signature=u"s",
953
access=u"readwrite")
954
def host_dbus_property(self, value=None):
1477
955
if value is None: # get
1478
956
return dbus.String(self.host)
1479
self.host = unicode(value)
1480
1481
# Created - property
1482
@dbus_service_property(_interface, signature="s", access="read")
1483
def Created_dbus_property(self):
1484
return datetime_to_dbus(self.created)
1485
1486
# LastEnabled - property
1487
@dbus_service_property(_interface, signature="s", access="read")
1488
def LastEnabled_dbus_property(self):
1489
return datetime_to_dbus(self.last_enabled)
1490
1491
# Enabled - property
1492
@dbus_service_property(_interface, signature="b",
1493
access="readwrite")
1494
def Enabled_dbus_property(self, value=None):
957
self.host = value
958
# Emit D-Bus signal
959
self.PropertyChanged(dbus.String(u"host"),
960
dbus.String(value, variant_level=1))
961
962
# created - property
963
@dbus_service_property(_interface, signature=u"s", access=u"read")
964
def created_dbus_property(self):
965
return dbus.String(self._datetime_to_dbus(self.created))
966
967
# last_enabled - property
968
@dbus_service_property(_interface, signature=u"s", access=u"read")
969
def last_enabled_dbus_property(self):
970
if self.last_enabled is None:
971
return dbus.String(u"")
972
return dbus.String(self._datetime_to_dbus(self.last_enabled))
973
974
# enabled - property
975
@dbus_service_property(_interface, signature=u"b",
976
access=u"readwrite")
977
def enabled_dbus_property(self, value=None):
1495
978
if value is None: # get
1496
979
return dbus.Boolean(self.enabled)
1497
980
if value:
1499
982
else:
1500
983
self.disable()
1501
984
1502
# LastCheckedOK - property
1503
@dbus_service_property(_interface, signature="s",
1504
access="readwrite")
1505
def LastCheckedOK_dbus_property(self, value=None):
985
# last_checked_ok - property
986
@dbus_service_property(_interface, signature=u"s",
987
access=u"readwrite")
988
def last_checked_ok_dbus_property(self, value=None):
1506
989
if value is not None:
1507
990
self.checked_ok()
1508
991
return
1509
return datetime_to_dbus(self.last_checked_ok)
1510
1511
# LastCheckerStatus - property
1512
@dbus_service_property(_interface, signature="n",
1513
access="read")
1514
def LastCheckerStatus_dbus_property(self):
1515
return dbus.Int16(self.last_checker_status)
1516
1517
# Expires - property
1518
@dbus_service_property(_interface, signature="s", access="read")
1519
def Expires_dbus_property(self):
1520
return datetime_to_dbus(self.expires)
1521
1522
# LastApprovalRequest - property
1523
@dbus_service_property(_interface, signature="s", access="read")
1524
def LastApprovalRequest_dbus_property(self):
1525
return datetime_to_dbus(self.last_approval_request)
1526
1527
# Timeout - property
1528
@dbus_service_property(_interface, signature="t",
1529
access="readwrite")
1530
def Timeout_dbus_property(self, value=None):
992
if self.last_checked_ok is None:
993
return dbus.String(u"")
994
return dbus.String(self._datetime_to_dbus(self
995
.last_checked_ok))
996
997
# timeout - property
998
@dbus_service_property(_interface, signature=u"t",
999
access=u"readwrite")
1000
def timeout_dbus_property(self, value=None):
1531
1001
if value is None: # get
1532
1002
return dbus.UInt64(self.timeout_milliseconds())
1533
old_timeout = self.timeout
1534
1003
self.timeout = datetime.timedelta(0, 0, 0, value)
1535
# Reschedule disabling
1536
if self.enabled:
1537
now = datetime.datetime.utcnow()
1538
self.expires += self.timeout - old_timeout
1539
if self.expires <= now:
1540
# The timeout has passed
1541
self.disable()
1542
else:
1543
if (getattr(self, "disable_initiator_tag", None)
1544
is None):
1545
return
1546
gobject.source_remove(self.disable_initiator_tag)
1547
self.disable_initiator_tag = (
1548
gobject.timeout_add(
1549
timedelta_to_milliseconds(self.expires - now),
1550
self.disable))
1551
1552
# ExtendedTimeout - property
1553
@dbus_service_property(_interface, signature="t",
1554
access="readwrite")
1555
def ExtendedTimeout_dbus_property(self, value=None):
1556
if value is None: # get
1557
return dbus.UInt64(self.extended_timeout_milliseconds())
1558
self.extended_timeout = datetime.timedelta(0, 0, 0, value)
1559
1560
# Interval - property
1561
@dbus_service_property(_interface, signature="t",
1562
access="readwrite")
1563
def Interval_dbus_property(self, value=None):
1004
# Emit D-Bus signal
1005
self.PropertyChanged(dbus.String(u"timeout"),
1006
dbus.UInt64(value, variant_level=1))
1007
if getattr(self, u"disable_initiator_tag", None) is None:
1008
return
1009
# Reschedule timeout
1010
gobject.source_remove(self.disable_initiator_tag)
1011
self.disable_initiator_tag = None
1012
time_to_die = (self.
1013
_timedelta_to_milliseconds((self
1014
.last_checked_ok
1015
+ self.timeout)
1016
- datetime.datetime
1017
.utcnow()))
1018
if time_to_die <= 0:
1019
# The timeout has passed
1020
self.disable()
1021
else:
1022
self.disable_initiator_tag = (gobject.timeout_add
1023
(time_to_die, self.disable))
1024
1025
# interval - property
1026
@dbus_service_property(_interface, signature=u"t",
1027
access=u"readwrite")
1028
def interval_dbus_property(self, value=None):
1564
1029
if value is None: # get
1565
1030
return dbus.UInt64(self.interval_milliseconds())
1566
1031
self.interval = datetime.timedelta(0, 0, 0, value)
1567
if getattr(self, "checker_initiator_tag", None) is None:
1032
# Emit D-Bus signal
1033
self.PropertyChanged(dbus.String(u"interval"),
1034
dbus.UInt64(value, variant_level=1))
1035
if getattr(self, u"checker_initiator_tag", None) is None:
1568
1036
return
1569
if self.enabled:
1570
# Reschedule checker run
1571
gobject.source_remove(self.checker_initiator_tag)
1572
self.checker_initiator_tag = (gobject.timeout_add
1573
(value, self.start_checker))
1574
self.start_checker() # Start one now, too
1575
1576
# Checker - property
1577
@dbus_service_property(_interface, signature="s",
1578
access="readwrite")
1579
def Checker_dbus_property(self, value=None):
1037
# Reschedule checker run
1038
gobject.source_remove(self.checker_initiator_tag)
1039
self.checker_initiator_tag = (gobject.timeout_add
1040
(value, self.start_checker))
1041
self.start_checker() # Start one now, too
1042
1043
# checker - property
1044
@dbus_service_property(_interface, signature=u"s",
1045
access=u"readwrite")
1046
def checker_dbus_property(self, value=None):
1580
1047
if value is None: # get
1581
1048
return dbus.String(self.checker_command)
1582
self.checker_command = unicode(value)
1049
self.checker_command = value
1050
# Emit D-Bus signal
1051
self.PropertyChanged(dbus.String(u"checker"),
1052
dbus.String(self.checker_command,
1053
variant_level=1))
1583
1054
1584
# CheckerRunning - property
1585
@dbus_service_property(_interface, signature="b",
1586
access="readwrite")
1587
def CheckerRunning_dbus_property(self, value=None):
1055
# checker_running - property
1056
@dbus_service_property(_interface, signature=u"b",
1057
access=u"readwrite")
1058
def checker_running_dbus_property(self, value=None):
1588
1059
if value is None: # get
1589
1060
return dbus.Boolean(self.checker is not None)
1590
1061
if value:
1592
1063
else:
1593
1064
self.stop_checker()
1594
1065
1595
# ObjectPath - property
1596
@dbus_service_property(_interface, signature="o", access="read")
1597
def ObjectPath_dbus_property(self):
1066
# object_path - property
1067
@dbus_service_property(_interface, signature=u"o", access=u"read")
1068
def object_path_dbus_property(self):
1598
1069
return self.dbus_object_path # is already a dbus.ObjectPath
1599
1070
1600
# Secret = property
1601
@dbus_service_property(_interface, signature="ay",
1602
access="write", byte_arrays=True)
1603
def Secret_dbus_property(self, value):
1071
# secret = property
1072
@dbus_service_property(_interface, signature=u"ay",
1073
access=u"write", byte_arrays=True)
1074
def secret_dbus_property(self, value):
1604
1075
self.secret = str(value)
1605
1076
1606
1077
del _interface
1612
1083
self._pipe.send(('init', fpr, address))
1613
1084
if not self._pipe.recv():
1614
1085
raise KeyError()
1615
1086
1616
1087
def __getattribute__(self, name):
1617
if name == '_pipe':
1088
if(name == '_pipe'):
1618
1089
return super(ProxyClient, self).__getattribute__(name)
1619
1090
self._pipe.send(('getattr', name))
1620
1091
data = self._pipe.recv()
1625
1096
self._pipe.send(('funcall', name, args, kwargs))
1626
1097
return self._pipe.recv()[1]
1627
1098
return func
1628
1099
1629
1100
def __setattr__(self, name, value):
1630
if name == '_pipe':
1101
if(name == '_pipe'):
1631
1102
return super(ProxyClient, self).__setattr__(name, value)
1632
1103
self._pipe.send(('setattr', name, value))
1633
1104
1640
1111
1641
1112
def handle(self):
1642
1113
with contextlib.closing(self.server.child_pipe) as child_pipe:
1643
logger.info("TCP connection from: %s",
1114
logger.info(u"TCP connection from: %s",
1644
1115
unicode(self.client_address))
1645
logger.debug("Pipe FD: %d",
1116
logger.debug(u"Pipe FD: %d",
1646
1117
self.server.child_pipe.fileno())
1647
1118
1648
1119
session = (gnutls.connection
1649
1120
.ClientSession(self.request,
1650
1121
gnutls.connection
1651
1122
.X509Credentials()))
1652
1123
1653
1124
# Note: gnutls.connection.X509Credentials is really a
1654
1125
# generic GnuTLS certificate credentials object so long as
1655
1126
# no X.509 keys are added to it. Therefore, we can use it
1656
1127
# here despite using OpenPGP certificates.
1657
1658
#priority = ':'.join(("NONE", "+VERS-TLS1.1",
1659
# "+AES-256-CBC", "+SHA1",
1660
# "+COMP-NULL", "+CTYPE-OPENPGP",
1661
# "+DHE-DSS"))
1128
1129
#priority = u':'.join((u"NONE", u"+VERS-TLS1.1",
1130
# u"+AES-256-CBC", u"+SHA1",
1131
# u"+COMP-NULL", u"+CTYPE-OPENPGP",
1132
# u"+DHE-DSS"))
1662
1133
# Use a fallback default, since this MUST be set.
1663
1134
priority = self.server.gnutls_priority
1664
1135
if priority is None:
1665
priority = "NORMAL"
1136
priority = u"NORMAL"
1666
1137
(gnutls.library.functions
1667
1138
.gnutls_priority_set_direct(session._c_object,
1668
1139
priority, None))
1669
1140
1670
1141
# Start communication using the Mandos protocol
1671
1142
# Get protocol number
1672
1143
line = self.request.makefile().readline()
1673
logger.debug("Protocol version: %r", line)
1144
logger.debug(u"Protocol version: %r", line)
1674
1145
try:
1675
1146
if int(line.strip().split()[0]) > 1:
1676
1147
raise RuntimeError
1677
except (ValueError, IndexError, RuntimeError) as error:
1678
logger.error("Unknown protocol version: %s", error)
1148
except (ValueError, IndexError, RuntimeError), error:
1149
logger.error(u"Unknown protocol version: %s", error)
1679
1150
return
1680
1151
1681
1152
# Start GnuTLS connection
1682
1153
try:
1683
1154
session.handshake()
1684
except gnutls.errors.GNUTLSError as error:
1685
logger.warning("Handshake failed: %s", error)
1155
except gnutls.errors.GNUTLSError, error:
1156
logger.warning(u"Handshake failed: %s", error)
1686
1157
# Do not run session.bye() here: the session is not
1687
1158
# established. Just abandon the request.
1688
1159
return
1689
logger.debug("Handshake succeeded")
1690
1160
logger.debug(u"Handshake succeeded")
1161
1691
1162
approval_required = False
1692
1163
try:
1693
1164
try:
1694
1165
fpr = self.fingerprint(self.peer_certificate
1695
1166
(session))
1696
except (TypeError,
1697
gnutls.errors.GNUTLSError) as error:
1698
logger.warning("Bad certificate: %s", error)
1167
except (TypeError, gnutls.errors.GNUTLSError), error:
1168
logger.warning(u"Bad certificate: %s", error)
1699
1169
return
1700
logger.debug("Fingerprint: %s", fpr)
1701
1170
logger.debug(u"Fingerprint: %s", fpr)
1171
1702
1172
try:
1703
1173
client = ProxyClient(child_pipe, fpr,
1704
1174
self.client_address)
1705
1175
except KeyError:
1706
1176
return
1707
1177
1708
if client.approval_delay:
1709
delay = client.approval_delay
1178
if client.approved_delay:
1179
delay = client.approved_delay
1710
1180
client.approvals_pending += 1
1711
1181
approval_required = True
1712
1182
1713
1183
while True:
1714
1184
if not client.enabled:
1715
logger.info("Client %s is disabled",
1185
logger.warning(u"Client %s is disabled",
1716
1186
client.name)
1717
1187
if self.server.use_dbus:
1718
1188
# Emit D-Bus signal
1719
client.Rejected("Disabled")
1189
client.Rejected("Disabled")
1720
1190
return
1721
1191
1722
if client.approved or not client.approval_delay:
1192
if client._approved or not client.approved_delay:
1723
1193
#We are approved or approval is disabled
1724
1194
break
1725
elif client.approved is None:
1726
logger.info("Client %s needs approval",
1195
elif client._approved is None:
1196
logger.info(u"Client %s need approval",
1727
1197
client.name)
1728
1198
if self.server.use_dbus:
1729
1199
# Emit D-Bus signal
1730
1200
client.NeedApproval(
1731
client.approval_delay_milliseconds(),
1201
client.approved_delay_milliseconds(),
1732
1202
client.approved_by_default)
1733
1203
else:
1734
logger.warning("Client %s was not approved",
1204
logger.warning(u"Client %s was not approved",
1735
1205
client.name)
1736
1206
if self.server.use_dbus:
1737
1207
# Emit D-Bus signal
1738
client.Rejected("Denied")
1208
client.Rejected("Disapproved")
1739
1209
return
1740
1210
1741
1211
#wait until timeout or approved
1212
#x = float(client._timedelta_to_milliseconds(delay))
1742
1213
time = datetime.datetime.now()
1743
1214
client.changedstate.acquire()
1744
client.changedstate.wait(
1745
float(timedelta_to_milliseconds(delay)
1746
/ 1000))
1215
client.changedstate.wait(float(client._timedelta_to_milliseconds(delay) / 1000))
1747
1216
client.changedstate.release()
1748
1217
time2 = datetime.datetime.now()
1749
1218
if (time2 - time) >= delay:
1753
1222
client.name)
1754
1223
if self.server.use_dbus:
1755
1224
# Emit D-Bus signal
1756
client.Rejected("Approval timed out")
1225
client.Rejected("Time out")
1757
1226
return
1758
1227
else:
1759
1228
break
1764
1233
while sent_size < len(client.secret):
1765
1234
try:
1766
1235
sent = session.send(client.secret[sent_size:])
1767
except gnutls.errors.GNUTLSError as error:
1768
logger.warning("gnutls send failed",
1769
exc_info=error)
1236
except (gnutls.errors.GNUTLSError), error:
1237
logger.warning("gnutls send failed")
1770
1238
return
1771
logger.debug("Sent: %d, remaining: %d",
1239
logger.debug(u"Sent: %d, remaining: %d",
1772
1240
sent, len(client.secret)
1773
1241
- (sent_size + sent))
1774
1242
sent_size += sent
1775
1776
logger.info("Sending secret to %s", client.name)
1777
# bump the timeout using extended_timeout
1778
client.bump_timeout(client.extended_timeout)
1243
1244
logger.info(u"Sending secret to %s", client.name)
1245
# bump the timeout as if seen
1246
client.checked_ok()
1779
1247
if self.server.use_dbus:
1780
1248
# Emit D-Bus signal
1781
1249
client.GotSecret()
1785
1253
client.approvals_pending -= 1
1786
1254
try:
1787
1255
session.bye()
1788
except gnutls.errors.GNUTLSError as error:
1789
logger.warning("GnuTLS bye failed",
1790
exc_info=error)
1256
except (gnutls.errors.GNUTLSError), error:
1257
logger.warning("gnutls bye failed")
1791
1258
1792
1259
@staticmethod
1793
1260
def peer_certificate(session):
1803
1270
.gnutls_certificate_get_peers
1804
1271
(session._c_object, ctypes.byref(list_size)))
1805
1272
if not bool(cert_list) and list_size.value != 0:
1806
raise gnutls.errors.GNUTLSError("error getting peer"
1807
" certificate")
1273
raise gnutls.errors.GNUTLSError(u"error getting peer"
1274
u" certificate")
1808
1275
if list_size.value == 0:
1809
1276
return None
1810
1277
cert = cert_list[0]
1836
1303
if crtverify.value != 0:
1837
1304
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
1838
1305
raise (gnutls.errors.CertificateSecurityError
1839
("Verify failed"))
1306
(u"Verify failed"))
1840
1307
# New buffer for the fingerprint
1841
1308
buf = ctypes.create_string_buffer(20)
1842
1309
buf_len = ctypes.c_size_t()
1849
1316
# Convert the buffer to a Python bytestring
1850
1317
fpr = ctypes.string_at(buf, buf_len.value)
1851
1318
# Convert the bytestring to hexadecimal notation
1852
hex_fpr = binascii.hexlify(fpr).upper()
1319
hex_fpr = u''.join(u"%02X" % ord(char) for char in fpr)
1853
1320
return hex_fpr
1854
1321
1855
1322
1858
1325
def sub_process_main(self, request, address):
1859
1326
try:
1860
1327
self.finish_request(request, address)
1861
except Exception:
1328
except:
1862
1329
self.handle_error(request, address)
1863
1330
self.close_request(request)
1864
1331
1865
1332
def process_request(self, request, address):
1866
1333
"""Start a new process to process the request."""
1867
proc = multiprocessing.Process(target = self.sub_process_main,
1868
args = (request, address))
1869
proc.start()
1870
return proc
1871
1334
multiprocessing.Process(target = self.sub_process_main,
1335
args = (request, address)).start()
1872
1336
1873
1337
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
1874
1338
""" adds a pipe to the MixIn """
1878
1342
This function creates a new pipe in self.pipe
1879
1343
"""
1880
1344
parent_pipe, self.child_pipe = multiprocessing.Pipe()
1881
1882
proc = MultiprocessingMixIn.process_request(self, request,
1883
client_address)
1345
1346
super(MultiprocessingMixInWithPipe,
1347
self).process_request(request, client_address)
1884
1348
self.child_pipe.close()
1885
self.add_pipe(parent_pipe, proc)
1886
1887
def add_pipe(self, parent_pipe, proc):
1349
self.add_pipe(parent_pipe)
1350
1351
def add_pipe(self, parent_pipe):
1888
1352
"""Dummy function; override as necessary"""
1889
raise NotImplementedError
1890
1353
pass
1891
1354
1892
1355
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
1893
1356
socketserver.TCPServer, object):
1899
1362
use_ipv6: Boolean; to use IPv6 or not
1900
1363
"""
1901
1364
def __init__(self, server_address, RequestHandlerClass,
1902
interface=None, use_ipv6=True, socketfd=None):
1903
"""If socketfd is set, use that file descriptor instead of
1904
creating a new one with socket.socket().
1905
"""
1365
interface=None, use_ipv6=True):
1906
1366
self.interface = interface
1907
1367
if use_ipv6:
1908
1368
self.address_family = socket.AF_INET6
1909
if socketfd is not None:
1910
# Save the file descriptor
1911
self.socketfd = socketfd
1912
# Save the original socket.socket() function
1913
self.socket_socket = socket.socket
1914
# To implement --socket, we monkey patch socket.socket.
1915
#
1916
# (When socketserver.TCPServer is a new-style class, we
1917
# could make self.socket into a property instead of monkey
1918
# patching socket.socket.)
1919
#
1920
# Create a one-time-only replacement for socket.socket()
1921
@functools.wraps(socket.socket)
1922
def socket_wrapper(*args, **kwargs):
1923
# Restore original function so subsequent calls are
1924
# not affected.
1925
socket.socket = self.socket_socket
1926
del self.socket_socket
1927
# This time only, return a new socket object from the
1928
# saved file descriptor.
1929
return socket.fromfd(self.socketfd, *args, **kwargs)
1930
# Replace socket.socket() function with wrapper
1931
socket.socket = socket_wrapper
1932
# The socketserver.TCPServer.__init__ will call
1933
# socket.socket(), which might be our replacement,
1934
# socket_wrapper(), if socketfd was set.
1935
1369
socketserver.TCPServer.__init__(self, server_address,
1936
1370
RequestHandlerClass)
1937
1938
1371
def server_bind(self):
1939
1372
"""This overrides the normal server_bind() function
1940
1373
to bind to an interface if one was specified, and also NOT to
1941
1374
bind to an address or port if they were not specified."""
1942
1375
if self.interface is not None:
1943
1376
if SO_BINDTODEVICE is None:
1944
logger.error("SO_BINDTODEVICE does not exist;"
1945
" cannot bind to interface %s",
1377
logger.error(u"SO_BINDTODEVICE does not exist;"
1378
u" cannot bind to interface %s",
1946
1379
self.interface)
1947
1380
else:
1948
1381
try:
1949
1382
self.socket.setsockopt(socket.SOL_SOCKET,
1950
1383
SO_BINDTODEVICE,
1951
1384
str(self.interface
1952
+ '\0'))
1953
except socket.error as error:
1954
if error.errno == errno.EPERM:
1955
logger.error("No permission to"
1956
" bind to interface %s",
1957
self.interface)
1958
elif error.errno == errno.ENOPROTOOPT:
1959
logger.error("SO_BINDTODEVICE not available;"
1960
" cannot bind to interface %s",
1961
self.interface)
1962
elif error.errno == errno.ENODEV:
1963
logger.error("Interface %s does not"
1964
" exist, cannot bind",
1385
+ u'\0'))
1386
except socket.error, error:
1387
if error[0] == errno.EPERM:
1388
logger.error(u"No permission to"
1389
u" bind to interface %s",
1390
self.interface)
1391
elif error[0] == errno.ENOPROTOOPT:
1392
logger.error(u"SO_BINDTODEVICE not available;"
1393
u" cannot bind to interface %s",
1965
1394
self.interface)
1966
1395
else:
1967
1396
raise
1969
1398
if self.server_address[0] or self.server_address[1]:
1970
1399
if not self.server_address[0]:
1971
1400
if self.address_family == socket.AF_INET6:
1972
any_address = "::" # in6addr_any
1401
any_address = u"::" # in6addr_any
1973
1402
else:
1974
1403
any_address = socket.INADDR_ANY
1975
1404
self.server_address = (any_address,
1998
1427
"""
1999
1428
def __init__(self, server_address, RequestHandlerClass,
2000
1429
interface=None, use_ipv6=True, clients=None,
2001
gnutls_priority=None, use_dbus=True, socketfd=None):
1430
gnutls_priority=None, use_dbus=True):
2002
1431
self.enabled = False
2003
1432
self.clients = clients
2004
1433
if self.clients is None:
2005
self.clients = {}
1434
self.clients = set()
2006
1435
self.use_dbus = use_dbus
2007
1436
self.gnutls_priority = gnutls_priority
2008
1437
IPv6_TCPServer.__init__(self, server_address,
2009
1438
RequestHandlerClass,
2010
1439
interface = interface,
2011
use_ipv6 = use_ipv6,
2012
socketfd = socketfd)
1440
use_ipv6 = use_ipv6)
2013
1441
def server_activate(self):
2014
1442
if self.enabled:
2015
1443
return socketserver.TCPServer.server_activate(self)
2016
2017
1444
def enable(self):
2018
1445
self.enabled = True
2019
2020
def add_pipe(self, parent_pipe, proc):
1446
def add_pipe(self, parent_pipe):
2021
1447
# Call "handle_ipc" for both data and EOF events
2022
1448
gobject.io_add_watch(parent_pipe.fileno(),
2023
1449
gobject.IO_IN | gobject.IO_HUP,
2024
1450
functools.partial(self.handle_ipc,
2025
parent_pipe =
2026
parent_pipe,
2027
proc = proc))
2028
1451
parent_pipe = parent_pipe))
1452
2029
1453
def handle_ipc(self, source, condition, parent_pipe=None,
2030
proc = None, client_object=None):
2031
# error, or the other end of multiprocessing.Pipe has closed
2032
if condition & (gobject.IO_ERR | gobject.IO_HUP):
2033
# Wait for other process to exit
2034
proc.join()
1454
client_object=None):
1455
condition_names = {
1456
gobject.IO_IN: u"IN", # There is data to read.
1457
gobject.IO_OUT: u"OUT", # Data can be written (without
1458
# blocking).
1459
gobject.IO_PRI: u"PRI", # There is urgent data to read.
1460
gobject.IO_ERR: u"ERR", # Error condition.
1461
gobject.IO_HUP: u"HUP" # Hung up (the connection has been
1462
# broken, usually for pipes and
1463
# sockets).
1464
}
1465
conditions_string = ' | '.join(name
1466
for cond, name in
1467
condition_names.iteritems()
1468
if cond & condition)
1469
logger.debug(u"Handling IPC: FD = %d, condition = %s", source,
1470
conditions_string)
1471
1472
# error or the other end of multiprocessing.Pipe has closed
1473
if condition & (gobject.IO_ERR | condition & gobject.IO_HUP):
2035
1474
return False
2036
1475
2037
1476
# Read a request from the child
2038
1477
request = parent_pipe.recv()
1478
logger.debug(u"IPC request: %s", repr(request))
2039
1479
command = request[0]
2040
1480
2041
1481
if command == 'init':
2042
1482
fpr = request[1]
2043
1483
address = request[2]
2044
1484
2045
for c in self.clients.itervalues():
1485
for c in self.clients:
2046
1486
if c.fingerprint == fpr:
2047
1487
client = c
2048
1488
break
2049
1489
else:
2050
logger.info("Client not found for fingerprint: %s, ad"
2051
"dress: %s", fpr, address)
1490
logger.warning(u"Client not found for fingerprint: %s, ad"
1491
u"dress: %s", fpr, address)
2052
1492
if self.use_dbus:
2053
1493
# Emit D-Bus signal
2054
mandos_dbus_service.ClientNotFound(fpr,
2055
address[0])
1494
mandos_dbus_service.ClientNotFound(fpr, address)
2056
1495
parent_pipe.send(False)
2057
1496
return False
2058
1497
2059
1498
gobject.io_add_watch(parent_pipe.fileno(),
2060
1499
gobject.IO_IN | gobject.IO_HUP,
2061
1500
functools.partial(self.handle_ipc,
2062
parent_pipe =
2063
parent_pipe,
2064
proc = proc,
2065
client_object =
2066
client))
1501
parent_pipe = parent_pipe,
1502
client_object = client))
2067
1503
parent_pipe.send(True)
2068
# remove the old hook in favor of the new above hook on
2069
# same fileno
1504
# remove the old hook in favor of the new above hook on same fileno
2070
1505
return False
2071
1506
if command == 'funcall':
2072
1507
funcname = request[1]
2073
1508
args = request[2]
2074
1509
kwargs = request[3]
2075
1510
2076
parent_pipe.send(('data', getattr(client_object,
2077
funcname)(*args,
2078
**kwargs)))
2079
1511
parent_pipe.send(('data', getattr(client_object, funcname)(*args, **kwargs)))
1512
2080
1513
if command == 'getattr':
2081
1514
attrname = request[1]
2082
1515
if callable(client_object.__getattribute__(attrname)):
2083
1516
parent_pipe.send(('function',))
2084
1517
else:
2085
parent_pipe.send(('data', client_object
2086
.__getattribute__(attrname)))
1518
parent_pipe.send(('data', client_object.__getattribute__(attrname)))
2087
1519
2088
1520
if command == 'setattr':
2089
1521
attrname = request[1]
2090
1522
value = request[2]
2091
1523
setattr(client_object, attrname, value)
2092
1524
2093
1525
return True
2094
1526
2095
1527
2096
1528
def string_to_delta(interval):
2097
1529
"""Parse a string and return a datetime.timedelta
2098
1530
2099
>>> string_to_delta('7d')
1531
>>> string_to_delta(u'7d')
2100
1532
datetime.timedelta(7)
2101
>>> string_to_delta('60s')
1533
>>> string_to_delta(u'60s')
2102
1534
datetime.timedelta(0, 60)
2103
>>> string_to_delta('60m')
1535
>>> string_to_delta(u'60m')
2104
1536
datetime.timedelta(0, 3600)
2105
>>> string_to_delta('24h')
1537
>>> string_to_delta(u'24h')
2106
1538
datetime.timedelta(1)
2107
>>> string_to_delta('1w')
1539
>>> string_to_delta(u'1w')
2108
1540
datetime.timedelta(7)
2109
>>> string_to_delta('5m 30s')
1541
>>> string_to_delta(u'5m 30s')
2110
1542
datetime.timedelta(0, 330)
2111
1543
"""
2112
1544
timevalue = datetime.timedelta(0)
2114
1546
try:
2115
1547
suffix = unicode(s[-1])
2116
1548
value = int(s[:-1])
2117
if suffix == "d":
1549
if suffix == u"d":
2118
1550
delta = datetime.timedelta(value)
2119
elif suffix == "s":
1551
elif suffix == u"s":
2120
1552
delta = datetime.timedelta(0, value)
2121
elif suffix == "m":
1553
elif suffix == u"m":
2122
1554
delta = datetime.timedelta(0, 0, 0, 0, value)
2123
elif suffix == "h":
1555
elif suffix == u"h":
2124
1556
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
2125
elif suffix == "w":
1557
elif suffix == u"w":
2126
1558
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
2127
1559
else:
2128
raise ValueError("Unknown suffix {0!r}"
2129
.format(suffix))
2130
except (ValueError, IndexError) as e:
2131
raise ValueError(*(e.args))
1560
raise ValueError(u"Unknown suffix %r" % suffix)
1561
except (ValueError, IndexError), e:
1562
raise ValueError(e.message)
2132
1563
timevalue += delta
2133
1564
return timevalue
2134
1565
2135
1566
1567
def if_nametoindex(interface):
1568
"""Call the C function if_nametoindex(), or equivalent
1569
1570
Note: This function cannot accept a unicode string."""
1571
global if_nametoindex
1572
try:
1573
if_nametoindex = (ctypes.cdll.LoadLibrary
1574
(ctypes.util.find_library(u"c"))
1575
.if_nametoindex)
1576
except (OSError, AttributeError):
1577
logger.warning(u"Doing if_nametoindex the hard way")
1578
def if_nametoindex(interface):
1579
"Get an interface index the hard way, i.e. using fcntl()"
1580
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
1581
with contextlib.closing(socket.socket()) as s:
1582
ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
1583
struct.pack(str(u"16s16x"),
1584
interface))
1585
interface_index = struct.unpack(str(u"I"),
1586
ifreq[16:20])[0]
1587
return interface_index
1588
return if_nametoindex(interface)
1589
1590
2136
1591
def daemon(nochdir = False, noclose = False):
2137
1592
"""See daemon(3). Standard BSD Unix function.
2138
1593
2141
1596
sys.exit()
2142
1597
os.setsid()
2143
1598
if not nochdir:
2144
os.chdir("/")
1599
os.chdir(u"/")
2145
1600
if os.fork():
2146
1601
sys.exit()
2147
1602
if not noclose:
2148
1603
# Close all standard open file descriptors
2149
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
1604
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
2150
1605
if not stat.S_ISCHR(os.fstat(null).st_mode):
2151
1606
raise OSError(errno.ENODEV,
2152
"{0} not a character device"
2153
.format(os.devnull))
1607
u"%s not a character device"
1608
% os.path.devnull)
2154
1609
os.dup2(null, sys.stdin.fileno())
2155
1610
os.dup2(null, sys.stdout.fileno())
2156
1611
os.dup2(null, sys.stderr.fileno())
2163
1618
##################################################################
2164
1619
# Parsing of options, both command line and config file
2165
1620
2166
parser = argparse.ArgumentParser()
2167
parser.add_argument("-v", "--version", action="version",
2168
version = "%(prog)s {0}".format(version),
2169
help="show version number and exit")
2170
parser.add_argument("-i", "--interface", metavar="IF",
2171
help="Bind to interface IF")
2172
parser.add_argument("-a", "--address",
2173
help="Address to listen for requests on")
2174
parser.add_argument("-p", "--port", type=int,
2175
help="Port number to receive requests on")
2176
parser.add_argument("--check", action="store_true",
2177
help="Run self-test")
2178
parser.add_argument("--debug", action="store_true",
2179
help="Debug mode; run in foreground and log"
2180
" to terminal")
2181
parser.add_argument("--debuglevel", metavar="LEVEL",
2182
help="Debug level for stdout output")
2183
parser.add_argument("--priority", help="GnuTLS"
2184
" priority string (see GnuTLS documentation)")
2185
parser.add_argument("--servicename",
2186
metavar="NAME", help="Zeroconf service name")
2187
parser.add_argument("--configdir",
2188
default="/etc/mandos", metavar="DIR",
2189
help="Directory to search for configuration"
2190
" files")
2191
parser.add_argument("--no-dbus", action="store_false",
2192
dest="use_dbus", help="Do not provide D-Bus"
2193
" system bus interface")
2194
parser.add_argument("--no-ipv6", action="store_false",
2195
dest="use_ipv6", help="Do not use IPv6")
2196
parser.add_argument("--no-restore", action="store_false",
2197
dest="restore", help="Do not restore stored"
2198
" state")
2199
parser.add_argument("--socket", type=int,
2200
help="Specify a file descriptor to a network"
2201
" socket to use instead of creating one")
2202
parser.add_argument("--statedir", metavar="DIR",
2203
help="Directory to save/restore state in")
2204
2205
options = parser.parse_args()
1621
parser = optparse.OptionParser(version = "%%prog %s" % version)
1622
parser.add_option("-i", u"--interface", type=u"string",
1623
metavar="IF", help=u"Bind to interface IF")
1624
parser.add_option("-a", u"--address", type=u"string",
1625
help=u"Address to listen for requests on")
1626
parser.add_option("-p", u"--port", type=u"int",
1627
help=u"Port number to receive requests on")
1628
parser.add_option("--check", action=u"store_true",
1629
help=u"Run self-test")
1630
parser.add_option("--debug", action=u"store_true",
1631
help=u"Debug mode; run in foreground and log to"
1632
u" terminal")
1633
parser.add_option("--debuglevel", type=u"string", metavar="Level",
1634
help=u"Debug level for stdout output")
1635
parser.add_option("--priority", type=u"string", help=u"GnuTLS"
1636
u" priority string (see GnuTLS documentation)")
1637
parser.add_option("--servicename", type=u"string",
1638
metavar=u"NAME", help=u"Zeroconf service name")
1639
parser.add_option("--configdir", type=u"string",
1640
default=u"/etc/mandos", metavar=u"DIR",
1641
help=u"Directory to search for configuration"
1642
u" files")
1643
parser.add_option("--no-dbus", action=u"store_false",
1644
dest=u"use_dbus", help=u"Do not provide D-Bus"
1645
u" system bus interface")
1646
parser.add_option("--no-ipv6", action=u"store_false",
1647
dest=u"use_ipv6", help=u"Do not use IPv6")
1648
options = parser.parse_args()[0]
2206
1649
2207
1650
if options.check:
2208
1651
import doctest
2210
1653
sys.exit()
2211
1654
2212
1655
# Default values for config file for server-global settings
2213
server_defaults = { "interface": "",
2214
"address": "",
2215
"port": "",
2216
"debug": "False",
2217
"priority":
2218
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
2219
"servicename": "Mandos",
2220
"use_dbus": "True",
2221
"use_ipv6": "True",
2222
"debuglevel": "",
2223
"restore": "True",
2224
"socket": "",
2225
"statedir": "/var/lib/mandos"
1656
server_defaults = { u"interface": u"",
1657
u"address": u"",
1658
u"port": u"",
1659
u"debug": u"False",
1660
u"priority":
1661
u"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
1662
u"servicename": u"Mandos",
1663
u"use_dbus": u"True",
1664
u"use_ipv6": u"True",
1665
u"debuglevel": u"",
2226
1666
}
2227
1667
2228
1668
# Parse config file for server-global settings
2229
1669
server_config = configparser.SafeConfigParser(server_defaults)
2230
1670
del server_defaults
2231
1671
server_config.read(os.path.join(options.configdir,
2232
"mandos.conf"))
1672
u"mandos.conf"))
2233
1673
# Convert the SafeConfigParser object to a dict
2234
1674
server_settings = server_config.defaults()
2235
1675
# Use the appropriate methods on the non-string config options
2236
for option in ("debug", "use_dbus", "use_ipv6"):
2237
server_settings[option] = server_config.getboolean("DEFAULT",
1676
for option in (u"debug", u"use_dbus", u"use_ipv6"):
1677
server_settings[option] = server_config.getboolean(u"DEFAULT",
2238
1678
option)
2239
1679
if server_settings["port"]:
2240
server_settings["port"] = server_config.getint("DEFAULT",
2241
"port")
2242
if server_settings["socket"]:
2243
server_settings["socket"] = server_config.getint("DEFAULT",
2244
"socket")
2245
# Later, stdin will, and stdout and stderr might, be dup'ed
2246
# over with an opened os.devnull. But we don't want this to
2247
# happen with a supplied network socket.
2248
if 0 <= server_settings["socket"] <= 2:
2249
server_settings["socket"] = os.dup(server_settings
2250
["socket"])
1680
server_settings["port"] = server_config.getint(u"DEFAULT",
1681
u"port")
2251
1682
del server_config
2252
1683
2253
1684
# Override the settings from the config file with command line
2254
1685
# options, if set.
2255
for option in ("interface", "address", "port", "debug",
2256
"priority", "servicename", "configdir",
2257
"use_dbus", "use_ipv6", "debuglevel", "restore",
2258
"statedir", "socket"):
1686
for option in (u"interface", u"address", u"port", u"debug",
1687
u"priority", u"servicename", u"configdir",
1688
u"use_dbus", u"use_ipv6", u"debuglevel"):
2259
1689
value = getattr(options, option)
2260
1690
if value is not None:
2261
1691
server_settings[option] = value
2269
1699
##################################################################
2270
1700
2271
1701
# For convenience
2272
debug = server_settings["debug"]
2273
debuglevel = server_settings["debuglevel"]
2274
use_dbus = server_settings["use_dbus"]
2275
use_ipv6 = server_settings["use_ipv6"]
2276
stored_state_path = os.path.join(server_settings["statedir"],
2277
stored_state_file)
2278
2279
if debug:
2280
initlogger(debug, logging.DEBUG)
2281
else:
2282
if not debuglevel:
2283
initlogger(debug)
2284
else:
2285
level = getattr(logging, debuglevel.upper())
2286
initlogger(debug, level)
2287
2288
if server_settings["servicename"] != "Mandos":
1702
debug = server_settings[u"debug"]
1703
debuglevel = server_settings[u"debuglevel"]
1704
use_dbus = server_settings[u"use_dbus"]
1705
use_ipv6 = server_settings[u"use_ipv6"]
1706
1707
if server_settings[u"servicename"] != u"Mandos":
2289
1708
syslogger.setFormatter(logging.Formatter
2290
('Mandos ({0}) [%(process)d]:'
2291
' %(levelname)s: %(message)s'
2292
.format(server_settings
2293
["servicename"])))
1709
(u'Mandos (%s) [%%(process)d]:'
1710
u' %%(levelname)s: %%(message)s'
1711
% server_settings[u"servicename"]))
2294
1712
2295
1713
# Parse config file with clients
2296
client_config = configparser.SafeConfigParser(Client
2297
.client_defaults)
2298
client_config.read(os.path.join(server_settings["configdir"],
2299
"clients.conf"))
1714
client_defaults = { u"timeout": u"1h",
1715
u"interval": u"5m",
1716
u"checker": u"fping -q -- %%(host)s",
1717
u"host": u"",
1718
u"approved_delay": u"0s",
1719
u"approved_duration": u"1s",
1720
}
1721
client_config = configparser.SafeConfigParser(client_defaults)
1722
client_config.read(os.path.join(server_settings[u"configdir"],
1723
u"clients.conf"))
2300
1724
2301
1725
global mandos_dbus_service
2302
1726
mandos_dbus_service = None
2303
1727
2304
tcp_server = MandosServer((server_settings["address"],
2305
server_settings["port"]),
1728
tcp_server = MandosServer((server_settings[u"address"],
1729
server_settings[u"port"]),
2306
1730
ClientHandler,
2307
interface=(server_settings["interface"]
2308
or None),
1731
interface=server_settings[u"interface"],
2309
1732
use_ipv6=use_ipv6,
2310
1733
gnutls_priority=
2311
server_settings["priority"],
2312
use_dbus=use_dbus,
2313
socketfd=(server_settings["socket"]
2314
or None))
2315
if not debug:
2316
pidfilename = "/var/run/mandos.pid"
2317
try:
2318
pidfile = open(pidfilename, "w")
2319
except IOError as e:
2320
logger.error("Could not open file %r", pidfilename,
2321
exc_info=e)
1734
server_settings[u"priority"],
1735
use_dbus=use_dbus)
1736
pidfilename = u"/var/run/mandos.pid"
1737
try:
1738
pidfile = open(pidfilename, u"w")
1739
except IOError:
1740
logger.error(u"Could not open file %r", pidfilename)
2322
1741
2323
for name in ("_mandos", "mandos", "nobody"):
1742
try:
1743
uid = pwd.getpwnam(u"_mandos").pw_uid
1744
gid = pwd.getpwnam(u"_mandos").pw_gid
1745
except KeyError:
2324
1746
try:
2325
uid = pwd.getpwnam(name).pw_uid
2326
gid = pwd.getpwnam(name).pw_gid
2327
break
1747
uid = pwd.getpwnam(u"mandos").pw_uid
1748
gid = pwd.getpwnam(u"mandos").pw_gid
2328
1749
except KeyError:
2329
continue
2330
else:
2331
uid = 65534
2332
gid = 65534
1750
try:
1751
uid = pwd.getpwnam(u"nobody").pw_uid
1752
gid = pwd.getpwnam(u"nobody").pw_gid
1753
except KeyError:
1754
uid = 65534
1755
gid = 65534
2333
1756
try:
2334
1757
os.setgid(gid)
2335
1758
os.setuid(uid)
2336
except OSError as error:
2337
if error.errno != errno.EPERM:
1759
except OSError, error:
1760
if error[0] != errno.EPERM:
2338
1761
raise error
2339
1762
1763
# Enable all possible GnuTLS debugging
1764
1765
1766
if not debug and not debuglevel:
1767
syslogger.setLevel(logging.WARNING)
1768
console.setLevel(logging.WARNING)
1769
if debuglevel:
1770
level = getattr(logging, debuglevel.upper())
1771
syslogger.setLevel(level)
1772
console.setLevel(level)
1773
2340
1774
if debug:
2341
# Enable all possible GnuTLS debugging
2342
2343
1775
# "Use a log level over 10 to enable all debugging options."
2344
1776
# - GnuTLS manual
2345
1777
gnutls.library.functions.gnutls_global_set_log_level(11)
2346
1778
2347
1779
@gnutls.library.types.gnutls_log_func
2348
1780
def debug_gnutls(level, string):
2349
logger.debug("GnuTLS: %s", string[:-1])
1781
logger.debug(u"GnuTLS: %s", string[:-1])
2350
1782
2351
1783
(gnutls.library.functions
2352
1784
.gnutls_global_set_log_function(debug_gnutls))
2353
1785
2354
1786
# Redirect stdin so all checkers get /dev/null
2355
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
1787
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
2356
1788
os.dup2(null, sys.stdin.fileno())
2357
1789
if null > 2:
2358
1790
os.close(null)
2359
2360
# Need to fork before connecting to D-Bus
2361
if not debug:
2362
# Close all input and output, do double fork, etc.
2363
daemon()
2364
2365
# multiprocessing will use threads, so before we use gobject we
2366
# need to inform gobject that threads will be used.
2367
gobject.threads_init()
1791
else:
1792
# No console logging
1793
logger.removeHandler(console)
1794
2368
1795
2369
1796
global main_loop
2370
1797
# From the Avahi example code
2371
DBusGMainLoop(set_as_default=True)
1798
DBusGMainLoop(set_as_default=True )
2372
1799
main_loop = gobject.MainLoop()
2373
1800
bus = dbus.SystemBus()
2374
1801
# End of Avahi example code
2375
1802
if use_dbus:
2376
1803
try:
2377
bus_name = dbus.service.BusName("se.recompile.Mandos",
1804
bus_name = dbus.service.BusName(u"se.bsnet.fukt.Mandos",
2378
1805
bus, do_not_queue=True)
2379
old_bus_name = (dbus.service.BusName
2380
("se.bsnet.fukt.Mandos", bus,
2381
do_not_queue=True))
2382
except dbus.exceptions.NameExistsException as e:
2383
logger.error("Disabling D-Bus:", exc_info=e)
1806
except dbus.exceptions.NameExistsException, e:
1807
logger.error(unicode(e) + u", disabling D-Bus")
2384
1808
use_dbus = False
2385
server_settings["use_dbus"] = False
1809
server_settings[u"use_dbus"] = False
2386
1810
tcp_server.use_dbus = False
2387
1811
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
2388
service = AvahiServiceToSyslog(name =
2389
server_settings["servicename"],
2390
servicetype = "_mandos._tcp",
2391
protocol = protocol, bus = bus)
1812
service = AvahiService(name = server_settings[u"servicename"],
1813
servicetype = u"_mandos._tcp",
1814
protocol = protocol, bus = bus)
2392
1815
if server_settings["interface"]:
2393
1816
service.interface = (if_nametoindex
2394
(str(server_settings["interface"])))
2395
1817
(str(server_settings[u"interface"])))
1818
1819
if not debug:
1820
# Close all input and output, do double fork, etc.
1821
daemon()
1822
2396
1823
global multiprocessing_manager
2397
1824
multiprocessing_manager = multiprocessing.Manager()
2398
1825
2399
1826
client_class = Client
2400
1827
if use_dbus:
2401
1828
client_class = functools.partial(ClientDBus, bus = bus)
2402
2403
client_settings = Client.config_parser(client_config)
2404
old_client_settings = {}
2405
clients_data = {}
2406
2407
# Get client data and settings from last running state.
2408
if server_settings["restore"]:
2409
try:
2410
with open(stored_state_path, "rb") as stored_state:
2411
clients_data, old_client_settings = (pickle.load
2412
(stored_state))
2413
os.remove(stored_state_path)
2414
except IOError as e:
2415
if e.errno == errno.ENOENT:
2416
logger.warning("Could not load persistent state: {0}"
2417
.format(os.strerror(e.errno)))
2418
else:
2419
logger.critical("Could not load persistent state:",
2420
exc_info=e)
2421
raise
2422
except EOFError as e:
2423
logger.warning("Could not load persistent state: "
2424
"EOFError:", exc_info=e)
2425
2426
with PGPEngine() as pgp:
2427
for client_name, client in clients_data.iteritems():
2428
# Decide which value to use after restoring saved state.
2429
# We have three different values: Old config file,
2430
# new config file, and saved state.
2431
# New config value takes precedence if it differs from old
2432
# config value, otherwise use saved state.
2433
for name, value in client_settings[client_name].items():
2434
try:
2435
# For each value in new config, check if it
2436
# differs from the old config value (Except for
2437
# the "secret" attribute)
2438
if (name != "secret" and
2439
value != old_client_settings[client_name]
2440
[name]):
2441
client[name] = value
2442
except KeyError:
2443
pass
2444
2445
# Clients who has passed its expire date can still be
2446
# enabled if its last checker was successful. Clients
2447
# whose checker succeeded before we stored its state is
2448
# assumed to have successfully run all checkers during
2449
# downtime.
2450
if client["enabled"]:
2451
if datetime.datetime.utcnow() >= client["expires"]:
2452
if not client["last_checked_ok"]:
2453
logger.warning(
2454
"disabling client {0} - Client never "
2455
"performed a successful checker"
2456
.format(client_name))
2457
client["enabled"] = False
2458
elif client["last_checker_status"] != 0:
2459
logger.warning(
2460
"disabling client {0} - Client "
2461
"last checker failed with error code {1}"
2462
.format(client_name,
2463
client["last_checker_status"]))
2464
client["enabled"] = False
2465
else:
2466
client["expires"] = (datetime.datetime
2467
.utcnow()
2468
+ client["timeout"])
2469
logger.debug("Last checker succeeded,"
2470
" keeping {0} enabled"
2471
.format(client_name))
1829
def client_config_items(config, section):
1830
special_settings = {
1831
"approved_by_default":
1832
lambda: config.getboolean(section,
1833
"approved_by_default"),
1834
}
1835
for name, value in config.items(section):
2472
1836
try:
2473
client["secret"] = (
2474
pgp.decrypt(client["encrypted_secret"],
2475
client_settings[client_name]
2476
["secret"]))
2477
except PGPError:
2478
# If decryption fails, we use secret from new settings
2479
logger.debug("Failed to decrypt {0} old secret"
2480
.format(client_name))
2481
client["secret"] = (
2482
client_settings[client_name]["secret"])
2483
2484
# Add/remove clients based on new changes made to config
2485
for client_name in (set(old_client_settings)
2486
- set(client_settings)):
2487
del clients_data[client_name]
2488
for client_name in (set(client_settings)
2489
- set(old_client_settings)):
2490
clients_data[client_name] = client_settings[client_name]
2491
2492
# Create all client objects
2493
for client_name, client in clients_data.iteritems():
2494
tcp_server.clients[client_name] = client_class(
2495
name = client_name, settings = client)
2496
1837
yield (name, special_settings[name]())
1838
except KeyError:
1839
yield (name, value)
1840
1841
tcp_server.clients.update(set(
1842
client_class(name = section,
1843
config= dict(client_config_items(
1844
client_config, section)))
1845
for section in client_config.sections()))
2497
1846
if not tcp_server.clients:
2498
logger.warning("No clients defined")
1847
logger.warning(u"No clients defined")
1848
1849
try:
1850
with pidfile:
1851
pid = os.getpid()
1852
pidfile.write(str(pid) + "\n")
1853
del pidfile
1854
except IOError:
1855
logger.error(u"Could not write to file %r with PID %d",
1856
pidfilename, pid)
1857
except NameError:
1858
# "pidfile" was never created
1859
pass
1860
del pidfilename
2499
1861
2500
1862
if not debug:
2501
try:
2502
with pidfile:
2503
pid = os.getpid()
2504
pidfile.write(str(pid) + "\n".encode("utf-8"))
2505
del pidfile
2506
except IOError:
2507
logger.error("Could not write to file %r with PID %d",
2508
pidfilename, pid)
2509
except NameError:
2510
# "pidfile" was never created
2511
pass
2512
del pidfilename
2513
1863
signal.signal(signal.SIGINT, signal.SIG_IGN)
2514
1864
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
2515
1865
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
2516
1866
2517
1867
if use_dbus:
2518
@alternate_dbus_interfaces({"se.recompile.Mandos":
2519
"se.bsnet.fukt.Mandos"})
2520
class MandosDBusService(DBusObjectWithProperties):
1868
class MandosDBusService(dbus.service.Object):
2521
1869
"""A D-Bus proxy object"""
2522
1870
def __init__(self):
2523
dbus.service.Object.__init__(self, bus, "/")
2524
_interface = "se.recompile.Mandos"
2525
2526
@dbus_interface_annotations(_interface)
2527
def _foo(self):
2528
return { "org.freedesktop.DBus.Property"
2529
".EmitsChangedSignal":
2530
"false"}
2531
2532
@dbus.service.signal(_interface, signature="o")
1871
dbus.service.Object.__init__(self, bus, u"/")
1872
_interface = u"se.bsnet.fukt.Mandos"
1873
1874
@dbus.service.signal(_interface, signature=u"o")
2533
1875
def ClientAdded(self, objpath):
2534
1876
"D-Bus signal"
2535
1877
pass
2536
1878
2537
@dbus.service.signal(_interface, signature="ss")
1879
@dbus.service.signal(_interface, signature=u"ss")
2538
1880
def ClientNotFound(self, fingerprint, address):
2539
1881
"D-Bus signal"
2540
1882
pass
2541
1883
2542
@dbus.service.signal(_interface, signature="os")
1884
@dbus.service.signal(_interface, signature=u"os")
2543
1885
def ClientRemoved(self, objpath, name):
2544
1886
"D-Bus signal"
2545
1887
pass
2546
1888
2547
@dbus.service.method(_interface, out_signature="ao")
1889
@dbus.service.method(_interface, out_signature=u"ao")
2548
1890
def GetAllClients(self):
2549
1891
"D-Bus method"
2550
1892
return dbus.Array(c.dbus_object_path
2551
for c in
2552
tcp_server.clients.itervalues())
1893
for c in tcp_server.clients)
2553
1894
2554
1895
@dbus.service.method(_interface,
2555
out_signature="a{oa{sv}}")
1896
out_signature=u"a{oa{sv}}")
2556
1897
def GetAllClientsWithProperties(self):
2557
1898
"D-Bus method"
2558
1899
return dbus.Dictionary(
2559
((c.dbus_object_path, c.GetAll(""))
2560
for c in tcp_server.clients.itervalues()),
2561
signature="oa{sv}")
1900
((c.dbus_object_path, c.GetAll(u""))
1901
for c in tcp_server.clients),
1902
signature=u"oa{sv}")
2562
1903
2563
@dbus.service.method(_interface, in_signature="o")
1904
@dbus.service.method(_interface, in_signature=u"o")
2564
1905
def RemoveClient(self, object_path):
2565
1906
"D-Bus method"
2566
for c in tcp_server.clients.itervalues():
1907
for c in tcp_server.clients:
2567
1908
if c.dbus_object_path == object_path:
2568
del tcp_server.clients[c.name]
1909
tcp_server.clients.remove(c)
2569
1910
c.remove_from_connection()
2570
1911
# Don't signal anything except ClientRemoved
2571
1912
c.disable(quiet=True)
2582
1923
"Cleanup function; run on exit"
2583
1924
service.cleanup()
2584
1925
2585
multiprocessing.active_children()
2586
if not (tcp_server.clients or client_settings):
2587
return
2588
2589
# Store client before exiting. Secrets are encrypted with key
2590
# based on what config file has. If config file is
2591
# removed/edited, old secret will thus be unrecovable.
2592
clients = {}
2593
with PGPEngine() as pgp:
2594
for client in tcp_server.clients.itervalues():
2595
key = client_settings[client.name]["secret"]
2596
client.encrypted_secret = pgp.encrypt(client.secret,
2597
key)
2598
client_dict = {}
2599
2600
# A list of attributes that can not be pickled
2601
# + secret.
2602
exclude = set(("bus", "changedstate", "secret",
2603
"checker"))
2604
for name, typ in (inspect.getmembers
2605
(dbus.service.Object)):
2606
exclude.add(name)
2607
2608
client_dict["encrypted_secret"] = (client
2609
.encrypted_secret)
2610
for attr in client.client_structure:
2611
if attr not in exclude:
2612
client_dict[attr] = getattr(client, attr)
2613
2614
clients[client.name] = client_dict
2615
del client_settings[client.name]["secret"]
2616
2617
try:
2618
with (tempfile.NamedTemporaryFile
2619
(mode='wb', suffix=".pickle", prefix='clients-',
2620
dir=os.path.dirname(stored_state_path),
2621
delete=False)) as stored_state:
2622
pickle.dump((clients, client_settings), stored_state)
2623
tempname=stored_state.name
2624
os.rename(tempname, stored_state_path)
2625
except (IOError, OSError) as e:
2626
if not debug:
2627
try:
2628
os.remove(tempname)
2629
except NameError:
2630
pass
2631
if e.errno in (errno.ENOENT, errno.EACCES, errno.EEXIST):
2632
logger.warning("Could not save persistent state: {0}"
2633
.format(os.strerror(e.errno)))
2634
else:
2635
logger.warning("Could not save persistent state:",
2636
exc_info=e)
2637
raise e
2638
2639
# Delete all clients, and settings from config
2640
1926
while tcp_server.clients:
2641
name, client = tcp_server.clients.popitem()
1927
client = tcp_server.clients.pop()
2642
1928
if use_dbus:
2643
1929
client.remove_from_connection()
1930
client.disable_hook = None
2644
1931
# Don't signal anything except ClientRemoved
2645
1932
client.disable(quiet=True)
2646
1933
if use_dbus:
2647
1934
# Emit D-Bus signal
2648
mandos_dbus_service.ClientRemoved(client
2649
.dbus_object_path,
1935
mandos_dbus_service.ClientRemoved(client.dbus_object_path,
2650
1936
client.name)
2651
client_settings.clear()
2652
1937
2653
1938
atexit.register(cleanup)
2654
1939
2655
for client in tcp_server.clients.itervalues():
1940
for client in tcp_server.clients:
2656
1941
if use_dbus:
2657
1942
# Emit D-Bus signal
2658
1943
mandos_dbus_service.ClientAdded(client.dbus_object_path)
2659
# Need to initiate checking of clients
2660
if client.enabled:
2661
client.init_checker()
1944
client.enable()
2662
1945
2663
1946
tcp_server.enable()
2664
1947
tcp_server.server_activate()
2666
1949
# Find out what port we got
2667
1950
service.port = tcp_server.socket.getsockname()[1]
2668
1951
if use_ipv6:
2669
logger.info("Now listening on address %r, port %d,"
2670
" flowinfo %d, scope_id %d",
2671
*tcp_server.socket.getsockname())
1952
logger.info(u"Now listening on address %r, port %d,"
1953
" flowinfo %d, scope_id %d"
1954
% tcp_server.socket.getsockname())
2672
1955
else: # IPv4
2673
logger.info("Now listening on address %r, port %d",
2674
*tcp_server.socket.getsockname())
1956
logger.info(u"Now listening on address %r, port %d"
1957
% tcp_server.socket.getsockname())
2675
1958
2676
1959
#service.interface = tcp_server.socket.getsockname()[3]
2677
1960
2679
1962
# From the Avahi example code
2680
1963
try:
2681
1964
service.activate()
2682
except dbus.exceptions.DBusException as error:
2683
logger.critical("D-Bus Exception", exc_info=error)
1965
except dbus.exceptions.DBusException, error:
1966
logger.critical(u"DBusException: %s", error)
2684
1967
cleanup()
2685
1968
sys.exit(1)
2686
1969
# End of Avahi example code
2690
1973
(tcp_server.handle_request
2691
1974
(*args[2:], **kwargs) or True))
2692
1975
2693
logger.debug("Starting main loop")
1976
logger.debug(u"Starting main loop")
2694
1977
main_loop.run()
2695
except AvahiError as error:
2696
logger.critical("Avahi Error", exc_info=error)
1978
except AvahiError, error:
1979
logger.critical(u"AvahiError: %s", error)
2697
1980
cleanup()
2698
1981
sys.exit(1)
2699
1982
except KeyboardInterrupt:
2700
1983
if debug:
2701
print("", file=sys.stderr)
2702
logger.debug("Server received KeyboardInterrupt")
2703
logger.debug("Server exiting")
1984
print >> sys.stderr
1985
logger.debug(u"Server received KeyboardInterrupt")
1986
logger.debug(u"Server exiting")
2704
1987
# Must run before the D-Bus bus name gets deregistered
2705
1988
cleanup()
2706
1989
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0