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- Committer: Teddy Hogeborn
- Date: 2009-09-07 23:48:17 UTC
- Revision ID: teddy@fukt.bsnet.se-20090907234817-op1lgg9gpruejsiv
* initramfs-tools-hook: Bug fix: Really install user-supplied plugins.
Bug fix: Warn about empty plugin directory.
Bug fix: Warn about empty plugin directory.
- files modified:
- Makefile
added
removed
mandos
6
6
# This program is partly derived from an example program for an Avahi
7
7
# service publisher, downloaded from
8
8
# <http://avahi.org/wiki/PythonPublishExample>. This includes the
9
# methods "add" and "remove" in the "AvahiService" class, the
10
# "server_state_changed" and "entry_group_state_changed" functions,
11
# and some lines in "main".
9
# methods "add", "remove", "server_state_changed",
10
# "entry_group_state_changed", "cleanup", and "activate" in the
11
# "AvahiService" class, and some lines in "main".
12
12
#
13
13
# Everything else is
14
14
# Copyright © 2008,2009 Teddy Hogeborn
33
33
34
34
from __future__ import division, with_statement, absolute_import
35
35
36
import SocketServer
36
import SocketServer as socketserver
37
37
import socket
38
38
import optparse
39
39
import datetime
44
44
import gnutls.library.functions
45
45
import gnutls.library.constants
46
46
import gnutls.library.types
47
import ConfigParser
47
import ConfigParser as configparser
48
48
import sys
49
49
import re
50
50
import os
51
51
import signal
52
from sets import Set
53
52
import subprocess
54
53
import atexit
55
54
import stat
57
56
import logging.handlers
58
57
import pwd
59
58
from contextlib import closing
59
import struct
60
import fcntl
61
import functools
60
62
61
63
import dbus
62
64
import dbus.service
66
68
import ctypes
67
69
import ctypes.util
68
70
69
version = "1.0.8"
70
71
logger = logging.Logger('mandos')
71
try:
72
SO_BINDTODEVICE = socket.SO_BINDTODEVICE
73
except AttributeError:
74
try:
75
from IN import SO_BINDTODEVICE
76
except ImportError:
77
SO_BINDTODEVICE = None
78
79
80
version = "1.0.11"
81
82
logger = logging.Logger(u'mandos')
72
83
syslogger = (logging.handlers.SysLogHandler
73
84
(facility = logging.handlers.SysLogHandler.LOG_DAEMON,
74
85
address = "/dev/log"))
75
86
syslogger.setFormatter(logging.Formatter
76
('Mandos [%(process)d]: %(levelname)s:'
77
' %(message)s'))
87
(u'Mandos [%(process)d]: %(levelname)s:'
88
u' %(message)s'))
78
89
logger.addHandler(syslogger)
79
90
80
91
console = logging.StreamHandler()
81
console.setFormatter(logging.Formatter('%(name)s [%(process)d]:'
82
' %(levelname)s: %(message)s'))
92
console.setFormatter(logging.Formatter(u'%(name)s [%(process)d]:'
93
u' %(levelname)s:'
94
u' %(message)s'))
83
95
logger.addHandler(console)
84
96
85
97
class AvahiError(Exception):
98
110
99
111
class AvahiService(object):
100
112
"""An Avahi (Zeroconf) service.
113
101
114
Attributes:
102
115
interface: integer; avahi.IF_UNSPEC or an interface index.
103
116
Used to optionally bind to the specified interface.
104
name: string; Example: 'Mandos'
105
type: string; Example: '_mandos._tcp'.
117
name: string; Example: u'Mandos'
118
type: string; Example: u'_mandos._tcp'.
106
119
See <http://www.dns-sd.org/ServiceTypes.html>
107
120
port: integer; what port to announce
108
121
TXT: list of strings; TXT record for the service
111
124
max_renames: integer; maximum number of renames
112
125
rename_count: integer; counter so we only rename after collisions
113
126
a sensible number of times
127
group: D-Bus Entry Group
128
server: D-Bus Server
129
bus: dbus.SystemBus()
114
130
"""
115
131
def __init__(self, interface = avahi.IF_UNSPEC, name = None,
116
132
servicetype = None, port = None, TXT = None,
117
domain = "", host = "", max_renames = 32768,
118
protocol = avahi.PROTO_UNSPEC):
133
domain = u"", host = u"", max_renames = 32768,
134
protocol = avahi.PROTO_UNSPEC, bus = None):
119
135
self.interface = interface
120
136
self.name = name
121
137
self.type = servicetype
126
142
self.rename_count = 0
127
143
self.max_renames = max_renames
128
144
self.protocol = protocol
145
self.group = None # our entry group
146
self.server = None
147
self.bus = bus
129
148
def rename(self):
130
149
"""Derived from the Avahi example code"""
131
150
if self.rename_count >= self.max_renames:
133
152
u" after %i retries, exiting.",
134
153
self.rename_count)
135
154
raise AvahiServiceError(u"Too many renames")
136
self.name = server.GetAlternativeServiceName(self.name)
155
self.name = self.server.GetAlternativeServiceName(self.name)
137
156
logger.info(u"Changing Zeroconf service name to %r ...",
138
str(self.name))
157
unicode(self.name))
139
158
syslogger.setFormatter(logging.Formatter
140
('Mandos (%s) [%%(process)d]:'
141
' %%(levelname)s: %%(message)s'
159
(u'Mandos (%s) [%%(process)d]:'
160
u' %%(levelname)s: %%(message)s'
142
161
% self.name))
143
162
self.remove()
144
163
self.add()
145
164
self.rename_count += 1
146
165
def remove(self):
147
166
"""Derived from the Avahi example code"""
148
if group is not None:
149
group.Reset()
167
if self.group is not None:
168
self.group.Reset()
150
169
def add(self):
151
170
"""Derived from the Avahi example code"""
152
global group
153
if group is None:
154
group = dbus.Interface(bus.get_object
155
(avahi.DBUS_NAME,
156
server.EntryGroupNew()),
157
avahi.DBUS_INTERFACE_ENTRY_GROUP)
158
group.connect_to_signal('StateChanged',
159
entry_group_state_changed)
171
if self.group is None:
172
self.group = dbus.Interface(
173
self.bus.get_object(avahi.DBUS_NAME,
174
self.server.EntryGroupNew()),
175
avahi.DBUS_INTERFACE_ENTRY_GROUP)
176
self.group.connect_to_signal('StateChanged',
177
self.entry_group_state_changed)
160
178
logger.debug(u"Adding Zeroconf service '%s' of type '%s' ...",
161
service.name, service.type)
162
group.AddService(
163
self.interface, # interface
164
self.protocol, # protocol
165
dbus.UInt32(0), # flags
166
self.name, self.type,
167
self.domain, self.host,
168
dbus.UInt16(self.port),
169
avahi.string_array_to_txt_array(self.TXT))
170
group.Commit()
171
172
# From the Avahi example code:
173
group = None # our entry group
174
# End of Avahi example code
175
176
177
def _datetime_to_dbus(dt, variant_level=0):
178
"""Convert a UTC datetime.datetime() to a D-Bus type."""
179
return dbus.String(dt.isoformat(), variant_level=variant_level)
179
self.name, self.type)
180
self.group.AddService(
181
self.interface,
182
self.protocol,
183
dbus.UInt32(0), # flags
184
self.name, self.type,
185
self.domain, self.host,
186
dbus.UInt16(self.port),
187
avahi.string_array_to_txt_array(self.TXT))
188
self.group.Commit()
189
def entry_group_state_changed(self, state, error):
190
"""Derived from the Avahi example code"""
191
logger.debug(u"Avahi state change: %i", state)
192
193
if state == avahi.ENTRY_GROUP_ESTABLISHED:
194
logger.debug(u"Zeroconf service established.")
195
elif state == avahi.ENTRY_GROUP_COLLISION:
196
logger.warning(u"Zeroconf service name collision.")
197
self.rename()
198
elif state == avahi.ENTRY_GROUP_FAILURE:
199
logger.critical(u"Avahi: Error in group state changed %s",
200
unicode(error))
201
raise AvahiGroupError(u"State changed: %s"
202
% unicode(error))
203
def cleanup(self):
204
"""Derived from the Avahi example code"""
205
if self.group is not None:
206
self.group.Free()
207
self.group = None
208
def server_state_changed(self, state):
209
"""Derived from the Avahi example code"""
210
if state == avahi.SERVER_COLLISION:
211
logger.error(u"Zeroconf server name collision")
212
self.remove()
213
elif state == avahi.SERVER_RUNNING:
214
self.add()
215
def activate(self):
216
"""Derived from the Avahi example code"""
217
if self.server is None:
218
self.server = dbus.Interface(
219
self.bus.get_object(avahi.DBUS_NAME,
220
avahi.DBUS_PATH_SERVER),
221
avahi.DBUS_INTERFACE_SERVER)
222
self.server.connect_to_signal(u"StateChanged",
223
self.server_state_changed)
224
self.server_state_changed(self.server.GetState())
180
225
181
226
182
227
class Client(object):
183
228
"""A representation of a client host served by this server.
229
184
230
Attributes:
185
231
name: string; from the config file, used in log messages and
186
232
D-Bus identifiers
208
254
instance %(name)s can be used in the command.
209
255
current_checker_command: string; current running checker_command
210
256
"""
257
258
@staticmethod
259
def _datetime_to_milliseconds(dt):
260
"Convert a datetime.datetime() to milliseconds"
261
return ((dt.days * 24 * 60 * 60 * 1000)
262
+ (dt.seconds * 1000)
263
+ (dt.microseconds // 1000))
264
211
265
def timeout_milliseconds(self):
212
266
"Return the 'timeout' attribute in milliseconds"
213
return ((self.timeout.days * 24 * 60 * 60 * 1000)
214
+ (self.timeout.seconds * 1000)
215
+ (self.timeout.microseconds // 1000))
267
return self._datetime_to_milliseconds(self.timeout)
216
268
217
269
def interval_milliseconds(self):
218
270
"Return the 'interval' attribute in milliseconds"
219
return ((self.interval.days * 24 * 60 * 60 * 1000)
220
+ (self.interval.seconds * 1000)
221
+ (self.interval.microseconds // 1000))
271
return self._datetime_to_milliseconds(self.interval)
222
272
223
273
def __init__(self, name = None, disable_hook=None, config=None):
224
274
"""Note: the 'checker' key in 'config' sets the
231
281
# Uppercase and remove spaces from fingerprint for later
232
282
# comparison purposes with return value from the fingerprint()
233
283
# function
234
self.fingerprint = (config["fingerprint"].upper()
284
self.fingerprint = (config[u"fingerprint"].upper()
235
285
.replace(u" ", u""))
236
286
logger.debug(u" Fingerprint: %s", self.fingerprint)
237
if "secret" in config:
238
self.secret = config["secret"].decode(u"base64")
239
elif "secfile" in config:
287
if u"secret" in config:
288
self.secret = config[u"secret"].decode(u"base64")
289
elif u"secfile" in config:
240
290
with closing(open(os.path.expanduser
241
291
(os.path.expandvars
242
(config["secfile"])))) as secfile:
292
(config[u"secfile"])))) as secfile:
243
293
self.secret = secfile.read()
244
294
else:
245
295
raise TypeError(u"No secret or secfile for client %s"
246
296
% self.name)
247
self.host = config.get("host", "")
297
self.host = config.get(u"host", u"")
248
298
self.created = datetime.datetime.utcnow()
249
299
self.enabled = False
250
300
self.last_enabled = None
251
301
self.last_checked_ok = None
252
self.timeout = string_to_delta(config["timeout"])
253
self.interval = string_to_delta(config["interval"])
302
self.timeout = string_to_delta(config[u"timeout"])
303
self.interval = string_to_delta(config[u"interval"])
254
304
self.disable_hook = disable_hook
255
305
self.checker = None
256
306
self.checker_initiator_tag = None
257
307
self.disable_initiator_tag = None
258
308
self.checker_callback_tag = None
259
self.checker_command = config["checker"]
309
self.checker_command = config[u"checker"]
260
310
self.current_checker_command = None
261
311
self.last_connect = None
262
312
263
313
def enable(self):
264
314
"""Start this client's checker and timeout hooks"""
315
if getattr(self, u"enabled", False):
316
# Already enabled
317
return
265
318
self.last_enabled = datetime.datetime.utcnow()
266
319
# Schedule a new checker to be started an 'interval' from now,
267
320
# and every interval from then on.
281
334
if not getattr(self, "enabled", False):
282
335
return False
283
336
logger.info(u"Disabling client %s", self.name)
284
if getattr(self, "disable_initiator_tag", False):
337
if getattr(self, u"disable_initiator_tag", False):
285
338
gobject.source_remove(self.disable_initiator_tag)
286
339
self.disable_initiator_tag = None
287
if getattr(self, "checker_initiator_tag", False):
340
if getattr(self, u"checker_initiator_tag", False):
288
341
gobject.source_remove(self.checker_initiator_tag)
289
342
self.checker_initiator_tag = None
290
343
self.stop_checker()
317
370
318
371
def checked_ok(self):
319
372
"""Bump up the timeout for this client.
373
320
374
This should only be called when the client has been seen,
321
375
alive and well.
322
376
"""
328
382
329
383
def start_checker(self):
330
384
"""Start a new checker subprocess if one is not running.
385
331
386
If a checker already exists, leave it running and do
332
387
nothing."""
333
388
# The reason for not killing a running checker is that if we
343
398
if self.checker is not None:
344
399
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
345
400
if pid:
346
logger.warning("Checker was a zombie")
401
logger.warning(u"Checker was a zombie")
347
402
gobject.source_remove(self.checker_callback_tag)
348
403
self.checker_callback(pid, status,
349
404
self.current_checker_command)
354
409
command = self.checker_command % self.host
355
410
except TypeError:
356
411
# Escape attributes for the shell
357
escaped_attrs = dict((key, re.escape(str(val)))
412
escaped_attrs = dict((key,
413
re.escape(unicode(str(val),
414
errors=
415
u'replace')))
358
416
for key, val in
359
417
vars(self).iteritems())
360
418
try:
373
431
# always replaced by /dev/null.)
374
432
self.checker = subprocess.Popen(command,
375
433
close_fds=True,
376
shell=True, cwd="/")
434
shell=True, cwd=u"/")
377
435
self.checker_callback_tag = (gobject.child_watch_add
378
436
(self.checker.pid,
379
437
self.checker_callback,
395
453
if self.checker_callback_tag:
396
454
gobject.source_remove(self.checker_callback_tag)
397
455
self.checker_callback_tag = None
398
if getattr(self, "checker", None) is None:
456
if getattr(self, u"checker", None) is None:
399
457
return
400
458
logger.debug(u"Stopping checker for %(name)s", vars(self))
401
459
try:
410
468
411
469
def still_valid(self):
412
470
"""Has the timeout not yet passed for this client?"""
413
if not getattr(self, "enabled", False):
471
if not getattr(self, u"enabled", False):
414
472
return False
415
473
now = datetime.datetime.utcnow()
416
474
if self.last_checked_ok is None:
421
479
422
480
class ClientDBus(Client, dbus.service.Object):
423
481
"""A Client class using D-Bus
482
424
483
Attributes:
425
dbus_object_path: dbus.ObjectPath ; only set if self.use_dbus
484
dbus_object_path: dbus.ObjectPath
485
bus: dbus.SystemBus()
426
486
"""
427
487
# dbus.service.Object doesn't use super(), so we can't either.
428
488
429
def __init__(self, *args, **kwargs):
489
def __init__(self, bus = None, *args, **kwargs):
490
self.bus = bus
430
491
Client.__init__(self, *args, **kwargs)
431
492
# Only now, when this client is initialized, can it show up on
432
493
# the D-Bus
433
494
self.dbus_object_path = (dbus.ObjectPath
434
("/clients/"
435
+ self.name.replace(".", "_")))
436
dbus.service.Object.__init__(self, bus,
495
(u"/clients/"
496
+ self.name.replace(u".", u"_")))
497
dbus.service.Object.__init__(self, self.bus,
437
498
self.dbus_object_path)
499
500
@staticmethod
501
def _datetime_to_dbus(dt, variant_level=0):
502
"""Convert a UTC datetime.datetime() to a D-Bus type."""
503
return dbus.String(dt.isoformat(),
504
variant_level=variant_level)
505
438
506
def enable(self):
439
oldstate = getattr(self, "enabled", False)
507
oldstate = getattr(self, u"enabled", False)
440
508
r = Client.enable(self)
441
509
if oldstate != self.enabled:
442
510
# Emit D-Bus signals
443
511
self.PropertyChanged(dbus.String(u"enabled"),
444
512
dbus.Boolean(True, variant_level=1))
445
self.PropertyChanged(dbus.String(u"last_enabled"),
446
(_datetime_to_dbus(self.last_enabled,
447
variant_level=1)))
513
self.PropertyChanged(
514
dbus.String(u"last_enabled"),
515
self._datetime_to_dbus(self.last_enabled,
516
variant_level=1))
448
517
return r
449
518
450
519
def disable(self, signal = True):
451
oldstate = getattr(self, "enabled", False)
520
oldstate = getattr(self, u"enabled", False)
452
521
r = Client.disable(self)
453
522
if signal and oldstate != self.enabled:
454
523
# Emit D-Bus signal
461
530
self.remove_from_connection()
462
531
except LookupError:
463
532
pass
464
if hasattr(dbus.service.Object, "__del__"):
533
if hasattr(dbus.service.Object, u"__del__"):
465
534
dbus.service.Object.__del__(self, *args, **kwargs)
466
535
Client.__del__(self, *args, **kwargs)
467
536
492
561
# Emit D-Bus signal
493
562
self.PropertyChanged(
494
563
dbus.String(u"last_checked_ok"),
495
(_datetime_to_dbus(self.last_checked_ok,
496
variant_level=1)))
564
(self._datetime_to_dbus(self.last_checked_ok,
565
variant_level=1)))
497
566
return r
498
567
499
568
def start_checker(self, *args, **kwargs):
509
578
# Emit D-Bus signal
510
579
self.CheckerStarted(self.current_checker_command)
511
580
self.PropertyChanged(
512
dbus.String("checker_running"),
581
dbus.String(u"checker_running"),
513
582
dbus.Boolean(True, variant_level=1))
514
583
return r
515
584
516
585
def stop_checker(self, *args, **kwargs):
517
old_checker = getattr(self, "checker", None)
586
old_checker = getattr(self, u"checker", None)
518
587
r = Client.stop_checker(self, *args, **kwargs)
519
588
if (old_checker is not None
520
and getattr(self, "checker", None) is None):
589
and getattr(self, u"checker", None) is None):
521
590
self.PropertyChanged(dbus.String(u"checker_running"),
522
591
dbus.Boolean(False, variant_level=1))
523
592
return r
526
595
_interface = u"se.bsnet.fukt.Mandos.Client"
527
596
528
597
# CheckedOK - method
529
CheckedOK = dbus.service.method(_interface)(checked_ok)
530
CheckedOK.__name__ = "CheckedOK"
598
@dbus.service.method(_interface)
599
def CheckedOK(self):
600
return self.checked_ok()
531
601
532
602
# CheckerCompleted - signal
533
@dbus.service.signal(_interface, signature="nxs")
603
@dbus.service.signal(_interface, signature=u"nxs")
534
604
def CheckerCompleted(self, exitcode, waitstatus, command):
535
605
"D-Bus signal"
536
606
pass
537
607
538
608
# CheckerStarted - signal
539
@dbus.service.signal(_interface, signature="s")
609
@dbus.service.signal(_interface, signature=u"s")
540
610
def CheckerStarted(self, command):
541
611
"D-Bus signal"
542
612
pass
543
613
544
614
# GetAllProperties - method
545
@dbus.service.method(_interface, out_signature="a{sv}")
615
@dbus.service.method(_interface, out_signature=u"a{sv}")
546
616
def GetAllProperties(self):
547
617
"D-Bus method"
548
618
return dbus.Dictionary({
549
dbus.String("name"):
619
dbus.String(u"name"):
550
620
dbus.String(self.name, variant_level=1),
551
dbus.String("fingerprint"):
621
dbus.String(u"fingerprint"):
552
622
dbus.String(self.fingerprint, variant_level=1),
553
dbus.String("host"):
623
dbus.String(u"host"):
554
624
dbus.String(self.host, variant_level=1),
555
dbus.String("created"):
556
_datetime_to_dbus(self.created, variant_level=1),
557
dbus.String("last_enabled"):
558
(_datetime_to_dbus(self.last_enabled,
559
variant_level=1)
625
dbus.String(u"created"):
626
self._datetime_to_dbus(self.created,
627
variant_level=1),
628
dbus.String(u"last_enabled"):
629
(self._datetime_to_dbus(self.last_enabled,
630
variant_level=1)
560
631
if self.last_enabled is not None
561
632
else dbus.Boolean(False, variant_level=1)),
562
dbus.String("enabled"):
633
dbus.String(u"enabled"):
563
634
dbus.Boolean(self.enabled, variant_level=1),
564
dbus.String("last_checked_ok"):
565
(_datetime_to_dbus(self.last_checked_ok,
566
variant_level=1)
635
dbus.String(u"last_checked_ok"):
636
(self._datetime_to_dbus(self.last_checked_ok,
637
variant_level=1)
567
638
if self.last_checked_ok is not None
568
639
else dbus.Boolean (False, variant_level=1)),
569
dbus.String("timeout"):
640
dbus.String(u"timeout"):
570
641
dbus.UInt64(self.timeout_milliseconds(),
571
642
variant_level=1),
572
dbus.String("interval"):
643
dbus.String(u"interval"):
573
644
dbus.UInt64(self.interval_milliseconds(),
574
645
variant_level=1),
575
dbus.String("checker"):
646
dbus.String(u"checker"):
576
647
dbus.String(self.checker_command,
577
648
variant_level=1),
578
dbus.String("checker_running"):
649
dbus.String(u"checker_running"):
579
650
dbus.Boolean(self.checker is not None,
580
651
variant_level=1),
581
dbus.String("object_path"):
652
dbus.String(u"object_path"):
582
653
dbus.ObjectPath(self.dbus_object_path,
583
654
variant_level=1)
584
}, signature="sv")
655
}, signature=u"sv")
585
656
586
657
# IsStillValid - method
587
@dbus.service.method(_interface, out_signature="b")
658
@dbus.service.method(_interface, out_signature=u"b")
588
659
def IsStillValid(self):
589
660
return self.still_valid()
590
661
591
662
# PropertyChanged - signal
592
@dbus.service.signal(_interface, signature="sv")
663
@dbus.service.signal(_interface, signature=u"sv")
593
664
def PropertyChanged(self, property, value):
594
665
"D-Bus signal"
595
666
pass
607
678
pass
608
679
609
680
# SetChecker - method
610
@dbus.service.method(_interface, in_signature="s")
681
@dbus.service.method(_interface, in_signature=u"s")
611
682
def SetChecker(self, checker):
612
683
"D-Bus setter method"
613
684
self.checker_command = checker
617
688
variant_level=1))
618
689
619
690
# SetHost - method
620
@dbus.service.method(_interface, in_signature="s")
691
@dbus.service.method(_interface, in_signature=u"s")
621
692
def SetHost(self, host):
622
693
"D-Bus setter method"
623
694
self.host = host
626
697
dbus.String(self.host, variant_level=1))
627
698
628
699
# SetInterval - method
629
@dbus.service.method(_interface, in_signature="t")
700
@dbus.service.method(_interface, in_signature=u"t")
630
701
def SetInterval(self, milliseconds):
631
702
self.interval = datetime.timedelta(0, 0, 0, milliseconds)
632
703
# Emit D-Bus signal
635
706
variant_level=1)))
636
707
637
708
# SetSecret - method
638
@dbus.service.method(_interface, in_signature="ay",
709
@dbus.service.method(_interface, in_signature=u"ay",
639
710
byte_arrays=True)
640
711
def SetSecret(self, secret):
641
712
"D-Bus setter method"
642
713
self.secret = str(secret)
643
714
644
715
# SetTimeout - method
645
@dbus.service.method(_interface, in_signature="t")
716
@dbus.service.method(_interface, in_signature=u"t")
646
717
def SetTimeout(self, milliseconds):
647
718
self.timeout = datetime.timedelta(0, 0, 0, milliseconds)
648
719
# Emit D-Bus signal
651
722
variant_level=1)))
652
723
653
724
# Enable - method
654
Enable = dbus.service.method(_interface)(enable)
655
Enable.__name__ = "Enable"
725
@dbus.service.method(_interface)
726
def Enable(self):
727
"D-Bus method"
728
self.enable()
656
729
657
730
# StartChecker - method
658
731
@dbus.service.method(_interface)
667
740
self.disable()
668
741
669
742
# StopChecker - method
670
StopChecker = dbus.service.method(_interface)(stop_checker)
671
StopChecker.__name__ = "StopChecker"
743
@dbus.service.method(_interface)
744
def StopChecker(self):
745
self.stop_checker()
672
746
673
747
del _interface
674
748
675
749
676
class TCP_handler(SocketServer.BaseRequestHandler, object):
677
"""A TCP request handler class.
678
Instantiated by IPv6_TCPServer for each request to handle it.
750
class ClientHandler(socketserver.BaseRequestHandler, object):
751
"""A class to handle client connections.
752
753
Instantiated once for each connection to handle it.
679
754
Note: This will run in its own forked process."""
680
755
681
756
def handle(self):
683
758
unicode(self.client_address))
684
759
logger.debug(u"IPC Pipe FD: %d", self.server.pipe[1])
685
760
# Open IPC pipe to parent process
686
with closing(os.fdopen(self.server.pipe[1], "w", 1)) as ipc:
761
with closing(os.fdopen(self.server.pipe[1], u"w", 1)) as ipc:
687
762
session = (gnutls.connection
688
763
.ClientSession(self.request,
689
764
gnutls.connection
703
778
# no X.509 keys are added to it. Therefore, we can use it
704
779
# here despite using OpenPGP certificates.
705
780
706
#priority = ':'.join(("NONE", "+VERS-TLS1.1",
707
# "+AES-256-CBC", "+SHA1",
708
# "+COMP-NULL", "+CTYPE-OPENPGP",
709
# "+DHE-DSS"))
781
#priority = u':'.join((u"NONE", u"+VERS-TLS1.1",
782
# u"+AES-256-CBC", u"+SHA1",
783
# u"+COMP-NULL", u"+CTYPE-OPENPGP",
784
# u"+DHE-DSS"))
710
785
# Use a fallback default, since this MUST be set.
711
priority = self.server.settings.get("priority", "NORMAL")
786
priority = self.server.gnutls_priority
787
if priority is None:
788
priority = u"NORMAL"
712
789
(gnutls.library.functions
713
790
.gnutls_priority_set_direct(session._c_object,
714
791
priority, None))
734
811
client = c
735
812
break
736
813
else:
737
ipc.write("NOTFOUND %s\n" % fpr)
814
ipc.write(u"NOTFOUND %s %s\n"
815
% (fpr, unicode(self.client_address)))
738
816
session.bye()
739
817
return
740
818
# Have to check if client.still_valid(), since it is
741
819
# possible that the client timed out while establishing
742
820
# the GnuTLS session.
743
821
if not client.still_valid():
744
ipc.write("INVALID %s\n" % client.name)
822
ipc.write(u"INVALID %s\n" % client.name)
745
823
session.bye()
746
824
return
747
ipc.write("SENDING %s\n" % client.name)
825
ipc.write(u"SENDING %s\n" % client.name)
748
826
sent_size = 0
749
827
while sent_size < len(client.secret):
750
828
sent = session.send(client.secret[sent_size:])
768
846
.gnutls_certificate_get_peers
769
847
(session._c_object, ctypes.byref(list_size)))
770
848
if not bool(cert_list) and list_size.value != 0:
771
raise gnutls.errors.GNUTLSError("error getting peer"
772
" certificate")
849
raise gnutls.errors.GNUTLSError(u"error getting peer"
850
u" certificate")
773
851
if list_size.value == 0:
774
852
return None
775
853
cert = cert_list[0]
801
879
if crtverify.value != 0:
802
880
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
803
881
raise (gnutls.errors.CertificateSecurityError
804
("Verify failed"))
882
(u"Verify failed"))
805
883
# New buffer for the fingerprint
806
884
buf = ctypes.create_string_buffer(20)
807
885
buf_len = ctypes.c_size_t()
818
896
return hex_fpr
819
897
820
898
821
class ForkingMixInWithPipe(SocketServer.ForkingMixIn, object):
822
"""Like SocketServer.ForkingMixIn, but also pass a pipe.
823
Assumes a gobject.MainLoop event loop.
824
"""
899
class ForkingMixInWithPipe(socketserver.ForkingMixIn, object):
900
"""Like socketserver.ForkingMixIn, but also pass a pipe."""
825
901
def process_request(self, request, client_address):
826
"""This overrides and wraps the original process_request().
827
This function creates a new pipe in self.pipe
902
"""Overrides and wraps the original process_request().
903
904
This function creates a new pipe in self.pipe
828
905
"""
829
906
self.pipe = os.pipe()
830
907
super(ForkingMixInWithPipe,
831
908
self).process_request(request, client_address)
832
909
os.close(self.pipe[1]) # close write end
833
# Call "handle_ipc" for both data and EOF events
834
gobject.io_add_watch(self.pipe[0],
835
gobject.IO_IN | gobject.IO_HUP,
836
self.handle_ipc)
837
def handle_ipc(source, condition):
910
self.add_pipe(self.pipe[0])
911
def add_pipe(self, pipe):
838
912
"""Dummy function; override as necessary"""
839
os.close(source)
840
return False
913
os.close(pipe)
841
914
842
915
843
916
class IPv6_TCPServer(ForkingMixInWithPipe,
844
SocketServer.TCPServer, object):
917
socketserver.TCPServer, object):
845
918
"""IPv6-capable TCP server. Accepts 'None' as address and/or port
919
846
920
Attributes:
847
settings: Server settings
848
clients: Set() of Client objects
849
921
enabled: Boolean; whether this server is activated yet
922
interface: None or a network interface name (string)
923
use_ipv6: Boolean; to use IPv6 or not
850
924
"""
851
address_family = socket.AF_INET6
852
def __init__(self, *args, **kwargs):
853
if "settings" in kwargs:
854
self.settings = kwargs["settings"]
855
del kwargs["settings"]
856
if "clients" in kwargs:
857
self.clients = kwargs["clients"]
858
del kwargs["clients"]
859
if "use_ipv6" in kwargs:
860
if not kwargs["use_ipv6"]:
861
self.address_family = socket.AF_INET
862
del kwargs["use_ipv6"]
863
self.enabled = False
864
super(IPv6_TCPServer, self).__init__(*args, **kwargs)
925
def __init__(self, server_address, RequestHandlerClass,
926
interface=None, use_ipv6=True):
927
self.interface = interface
928
if use_ipv6:
929
self.address_family = socket.AF_INET6
930
socketserver.TCPServer.__init__(self, server_address,
931
RequestHandlerClass)
865
932
def server_bind(self):
866
933
"""This overrides the normal server_bind() function
867
934
to bind to an interface if one was specified, and also NOT to
868
935
bind to an address or port if they were not specified."""
869
if self.settings["interface"]:
870
# 25 is from /usr/include/asm-i486/socket.h
871
SO_BINDTODEVICE = getattr(socket, "SO_BINDTODEVICE", 25)
872
try:
873
self.socket.setsockopt(socket.SOL_SOCKET,
874
SO_BINDTODEVICE,
875
self.settings["interface"])
876
except socket.error, error:
877
if error[0] == errno.EPERM:
878
logger.error(u"No permission to"
879
u" bind to interface %s",
880
self.settings["interface"])
881
else:
882
raise
936
if self.interface is not None:
937
if SO_BINDTODEVICE is None:
938
logger.error(u"SO_BINDTODEVICE does not exist;"
939
u" cannot bind to interface %s",
940
self.interface)
941
else:
942
try:
943
self.socket.setsockopt(socket.SOL_SOCKET,
944
SO_BINDTODEVICE,
945
str(self.interface
946
+ u'\0'))
947
except socket.error, error:
948
if error[0] == errno.EPERM:
949
logger.error(u"No permission to"
950
u" bind to interface %s",
951
self.interface)
952
elif error[0] == errno.ENOPROTOOPT:
953
logger.error(u"SO_BINDTODEVICE not available;"
954
u" cannot bind to interface %s",
955
self.interface)
956
else:
957
raise
883
958
# Only bind(2) the socket if we really need to.
884
959
if self.server_address[0] or self.server_address[1]:
885
960
if not self.server_address[0]:
886
961
if self.address_family == socket.AF_INET6:
887
any_address = "::" # in6addr_any
962
any_address = u"::" # in6addr_any
888
963
else:
889
964
any_address = socket.INADDR_ANY
890
965
self.server_address = (any_address,
892
967
elif not self.server_address[1]:
893
968
self.server_address = (self.server_address[0],
894
969
0)
895
# if self.settings["interface"]:
970
# if self.interface:
896
971
# self.server_address = (self.server_address[0],
897
972
# 0, # port
898
973
# 0, # flowinfo
899
974
# if_nametoindex
900
# (self.settings
901
# ["interface"]))
902
return super(IPv6_TCPServer, self).server_bind()
975
# (self.interface))
976
return socketserver.TCPServer.server_bind(self)
977
978
979
class MandosServer(IPv6_TCPServer):
980
"""Mandos server.
981
982
Attributes:
983
clients: set of Client objects
984
gnutls_priority GnuTLS priority string
985
use_dbus: Boolean; to emit D-Bus signals or not
986
clients: set of Client objects
987
gnutls_priority GnuTLS priority string
988
use_dbus: Boolean; to emit D-Bus signals or not
989
990
Assumes a gobject.MainLoop event loop.
991
"""
992
def __init__(self, server_address, RequestHandlerClass,
993
interface=None, use_ipv6=True, clients=None,
994
gnutls_priority=None, use_dbus=True):
995
self.enabled = False
996
self.clients = clients
997
if self.clients is None:
998
self.clients = set()
999
self.use_dbus = use_dbus
1000
self.gnutls_priority = gnutls_priority
1001
IPv6_TCPServer.__init__(self, server_address,
1002
RequestHandlerClass,
1003
interface = interface,
1004
use_ipv6 = use_ipv6)
903
1005
def server_activate(self):
904
1006
if self.enabled:
905
return super(IPv6_TCPServer, self).server_activate()
1007
return socketserver.TCPServer.server_activate(self)
906
1008
def enable(self):
907
1009
self.enabled = True
1010
def add_pipe(self, pipe):
1011
# Call "handle_ipc" for both data and EOF events
1012
gobject.io_add_watch(pipe, gobject.IO_IN | gobject.IO_HUP,
1013
self.handle_ipc)
908
1014
def handle_ipc(self, source, condition, file_objects={}):
909
1015
condition_names = {
910
gobject.IO_IN: "IN", # There is data to read.
911
gobject.IO_OUT: "OUT", # Data can be written (without
912
# blocking).
913
gobject.IO_PRI: "PRI", # There is urgent data to read.
914
gobject.IO_ERR: "ERR", # Error condition.
915
gobject.IO_HUP: "HUP" # Hung up (the connection has been
916
# broken, usually for pipes and
917
# sockets).
1016
gobject.IO_IN: u"IN", # There is data to read.
1017
gobject.IO_OUT: u"OUT", # Data can be written (without
1018
# blocking).
1019
gobject.IO_PRI: u"PRI", # There is urgent data to read.
1020
gobject.IO_ERR: u"ERR", # Error condition.
1021
gobject.IO_HUP: u"HUP" # Hung up (the connection has been
1022
# broken, usually for pipes and
1023
# sockets).
918
1024
}
919
1025
conditions_string = ' | '.join(name
920
1026
for cond, name in
921
1027
condition_names.iteritems()
922
1028
if cond & condition)
923
logger.debug("Handling IPC: FD = %d, condition = %s", source,
1029
logger.debug(u"Handling IPC: FD = %d, condition = %s", source,
924
1030
conditions_string)
925
1031
926
1032
# Turn the pipe file descriptor into a Python file object
927
1033
if source not in file_objects:
928
file_objects[source] = os.fdopen(source, "r", 1)
1034
file_objects[source] = os.fdopen(source, u"r", 1)
929
1035
930
1036
# Read a line from the file object
931
1037
cmdline = file_objects[source].readline()
937
1043
# Stop calling this function
938
1044
return False
939
1045
940
logger.debug("IPC command: %r", cmdline)
1046
logger.debug(u"IPC command: %r", cmdline)
941
1047
942
1048
# Parse and act on command
943
cmd, args = cmdline.rstrip("\r\n").split(None, 1)
1049
cmd, args = cmdline.rstrip(u"\r\n").split(None, 1)
944
1050
945
if cmd == "NOTFOUND":
1051
if cmd == u"NOTFOUND":
946
1052
logger.warning(u"Client not found for fingerprint: %s",
947
1053
args)
948
if self.settings["use_dbus"]:
1054
if self.use_dbus:
949
1055
# Emit D-Bus signal
950
1056
mandos_dbus_service.ClientNotFound(args)
951
elif cmd == "INVALID":
1057
elif cmd == u"INVALID":
952
1058
for client in self.clients:
953
1059
if client.name == args:
954
1060
logger.warning(u"Client %s is invalid", args)
955
if self.settings["use_dbus"]:
1061
if self.use_dbus:
956
1062
# Emit D-Bus signal
957
1063
client.Rejected()
958
1064
break
959
1065
else:
960
1066
logger.error(u"Unknown client %s is invalid", args)
961
elif cmd == "SENDING":
1067
elif cmd == u"SENDING":
962
1068
for client in self.clients:
963
1069
if client.name == args:
964
1070
logger.info(u"Sending secret to %s", client.name)
965
1071
client.checked_ok()
966
if self.settings["use_dbus"]:
1072
if self.use_dbus:
967
1073
# Emit D-Bus signal
968
1074
client.ReceivedSecret()
969
1075
break
971
1077
logger.error(u"Sending secret to unknown client %s",
972
1078
args)
973
1079
else:
974
logger.error("Unknown IPC command: %r", cmdline)
1080
logger.error(u"Unknown IPC command: %r", cmdline)
975
1081
976
1082
# Keep calling this function
977
1083
return True
980
1086
def string_to_delta(interval):
981
1087
"""Parse a string and return a datetime.timedelta
982
1088
983
>>> string_to_delta('7d')
1089
>>> string_to_delta(u'7d')
984
1090
datetime.timedelta(7)
985
>>> string_to_delta('60s')
1091
>>> string_to_delta(u'60s')
986
1092
datetime.timedelta(0, 60)
987
>>> string_to_delta('60m')
1093
>>> string_to_delta(u'60m')
988
1094
datetime.timedelta(0, 3600)
989
>>> string_to_delta('24h')
1095
>>> string_to_delta(u'24h')
990
1096
datetime.timedelta(1)
991
1097
>>> string_to_delta(u'1w')
992
1098
datetime.timedelta(7)
993
>>> string_to_delta('5m 30s')
1099
>>> string_to_delta(u'5m 30s')
994
1100
datetime.timedelta(0, 330)
995
1101
"""
996
1102
timevalue = datetime.timedelta(0)
1016
1122
return timevalue
1017
1123
1018
1124
1019
def server_state_changed(state):
1020
"""Derived from the Avahi example code"""
1021
if state == avahi.SERVER_COLLISION:
1022
logger.error(u"Zeroconf server name collision")
1023
service.remove()
1024
elif state == avahi.SERVER_RUNNING:
1025
service.add()
1026
1027
1028
def entry_group_state_changed(state, error):
1029
"""Derived from the Avahi example code"""
1030
logger.debug(u"Avahi state change: %i", state)
1031
1032
if state == avahi.ENTRY_GROUP_ESTABLISHED:
1033
logger.debug(u"Zeroconf service established.")
1034
elif state == avahi.ENTRY_GROUP_COLLISION:
1035
logger.warning(u"Zeroconf service name collision.")
1036
service.rename()
1037
elif state == avahi.ENTRY_GROUP_FAILURE:
1038
logger.critical(u"Avahi: Error in group state changed %s",
1039
unicode(error))
1040
raise AvahiGroupError(u"State changed: %s" % unicode(error))
1041
1042
1125
def if_nametoindex(interface):
1043
"""Call the C function if_nametoindex(), or equivalent"""
1126
"""Call the C function if_nametoindex(), or equivalent
1127
1128
Note: This function cannot accept a unicode string."""
1044
1129
global if_nametoindex
1045
1130
try:
1046
1131
if_nametoindex = (ctypes.cdll.LoadLibrary
1047
(ctypes.util.find_library("c"))
1132
(ctypes.util.find_library(u"c"))
1048
1133
.if_nametoindex)
1049
1134
except (OSError, AttributeError):
1050
if "struct" not in sys.modules:
1051
import struct
1052
if "fcntl" not in sys.modules:
1053
import fcntl
1135
logger.warning(u"Doing if_nametoindex the hard way")
1054
1136
def if_nametoindex(interface):
1055
1137
"Get an interface index the hard way, i.e. using fcntl()"
1056
1138
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
1057
1139
with closing(socket.socket()) as s:
1058
1140
ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
1059
struct.pack("16s16x", interface))
1060
interface_index = struct.unpack("I", ifreq[16:20])[0]
1141
struct.pack(str(u"16s16x"),
1142
interface))
1143
interface_index = struct.unpack(str(u"I"),
1144
ifreq[16:20])[0]
1061
1145
return interface_index
1062
1146
return if_nametoindex(interface)
1063
1147
1064
1148
1065
1149
def daemon(nochdir = False, noclose = False):
1066
1150
"""See daemon(3). Standard BSD Unix function.
1151
1067
1152
This should really exist as os.daemon, but it doesn't (yet)."""
1068
1153
if os.fork():
1069
1154
sys.exit()
1070
1155
os.setsid()
1071
1156
if not nochdir:
1072
os.chdir("/")
1157
os.chdir(u"/")
1073
1158
if os.fork():
1074
1159
sys.exit()
1075
1160
if not noclose:
1077
1162
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1078
1163
if not stat.S_ISCHR(os.fstat(null).st_mode):
1079
1164
raise OSError(errno.ENODEV,
1080
"/dev/null not a character device")
1165
u"/dev/null not a character device")
1081
1166
os.dup2(null, sys.stdin.fileno())
1082
1167
os.dup2(null, sys.stdout.fileno())
1083
1168
os.dup2(null, sys.stderr.fileno())
1091
1176
# Parsing of options, both command line and config file
1092
1177
1093
1178
parser = optparse.OptionParser(version = "%%prog %s" % version)
1094
parser.add_option("-i", "--interface", type="string",
1095
metavar="IF", help="Bind to interface IF")
1096
parser.add_option("-a", "--address", type="string",
1097
help="Address to listen for requests on")
1098
parser.add_option("-p", "--port", type="int",
1099
help="Port number to receive requests on")
1100
parser.add_option("--check", action="store_true",
1101
help="Run self-test")
1102
parser.add_option("--debug", action="store_true",
1103
help="Debug mode; run in foreground and log to"
1104
" terminal")
1105
parser.add_option("--priority", type="string", help="GnuTLS"
1106
" priority string (see GnuTLS documentation)")
1107
parser.add_option("--servicename", type="string", metavar="NAME",
1108
help="Zeroconf service name")
1109
parser.add_option("--configdir", type="string",
1110
default="/etc/mandos", metavar="DIR",
1111
help="Directory to search for configuration"
1112
" files")
1113
parser.add_option("--no-dbus", action="store_false",
1114
dest="use_dbus",
1115
help="Do not provide D-Bus system bus"
1116
" interface")
1117
parser.add_option("--no-ipv6", action="store_false",
1118
dest="use_ipv6", help="Do not use IPv6")
1179
parser.add_option("-i", u"--interface", type=u"string",
1180
metavar="IF", help=u"Bind to interface IF")
1181
parser.add_option("-a", u"--address", type=u"string",
1182
help=u"Address to listen for requests on")
1183
parser.add_option("-p", u"--port", type=u"int",
1184
help=u"Port number to receive requests on")
1185
parser.add_option("--check", action=u"store_true",
1186
help=u"Run self-test")
1187
parser.add_option("--debug", action=u"store_true",
1188
help=u"Debug mode; run in foreground and log to"
1189
u" terminal")
1190
parser.add_option("--priority", type=u"string", help=u"GnuTLS"
1191
u" priority string (see GnuTLS documentation)")
1192
parser.add_option("--servicename", type=u"string",
1193
metavar=u"NAME", help=u"Zeroconf service name")
1194
parser.add_option("--configdir", type=u"string",
1195
default=u"/etc/mandos", metavar=u"DIR",
1196
help=u"Directory to search for configuration"
1197
u" files")
1198
parser.add_option("--no-dbus", action=u"store_false",
1199
dest=u"use_dbus", help=u"Do not provide D-Bus"
1200
u" system bus interface")
1201
parser.add_option("--no-ipv6", action=u"store_false",
1202
dest=u"use_ipv6", help=u"Do not use IPv6")
1119
1203
options = parser.parse_args()[0]
1120
1204
1121
1205
if options.check:
1124
1208
sys.exit()
1125
1209
1126
1210
# Default values for config file for server-global settings
1127
server_defaults = { "interface": "",
1128
"address": "",
1129
"port": "",
1130
"debug": "False",
1131
"priority":
1132
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
1133
"servicename": "Mandos",
1134
"use_dbus": "True",
1135
"use_ipv6": "True",
1211
server_defaults = { u"interface": u"",
1212
u"address": u"",
1213
u"port": u"",
1214
u"debug": u"False",
1215
u"priority":
1216
u"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
1217
u"servicename": u"Mandos",
1218
u"use_dbus": u"True",
1219
u"use_ipv6": u"True",
1136
1220
}
1137
1221
1138
1222
# Parse config file for server-global settings
1139
server_config = ConfigParser.SafeConfigParser(server_defaults)
1223
server_config = configparser.SafeConfigParser(server_defaults)
1140
1224
del server_defaults
1141
server_config.read(os.path.join(options.configdir, "mandos.conf"))
1225
server_config.read(os.path.join(options.configdir,
1226
u"mandos.conf"))
1142
1227
# Convert the SafeConfigParser object to a dict
1143
1228
server_settings = server_config.defaults()
1144
1229
# Use the appropriate methods on the non-string config options
1145
server_settings["debug"] = server_config.getboolean("DEFAULT",
1146
"debug")
1147
server_settings["use_dbus"] = server_config.getboolean("DEFAULT",
1148
"use_dbus")
1149
server_settings["use_ipv6"] = server_config.getboolean("DEFAULT",
1150
"use_ipv6")
1230
for option in (u"debug", u"use_dbus", u"use_ipv6"):
1231
server_settings[option] = server_config.getboolean(u"DEFAULT",
1232
option)
1151
1233
if server_settings["port"]:
1152
server_settings["port"] = server_config.getint("DEFAULT",
1153
"port")
1234
server_settings["port"] = server_config.getint(u"DEFAULT",
1235
u"port")
1154
1236
del server_config
1155
1237
1156
1238
# Override the settings from the config file with command line
1157
1239
# options, if set.
1158
for option in ("interface", "address", "port", "debug",
1159
"priority", "servicename", "configdir",
1160
"use_dbus", "use_ipv6"):
1240
for option in (u"interface", u"address", u"port", u"debug",
1241
u"priority", u"servicename", u"configdir",
1242
u"use_dbus", u"use_ipv6"):
1161
1243
value = getattr(options, option)
1162
1244
if value is not None:
1163
1245
server_settings[option] = value
1164
1246
del options
1247
# Force all strings to be unicode
1248
for option in server_settings.keys():
1249
if type(server_settings[option]) is str:
1250
server_settings[option] = unicode(server_settings[option])
1165
1251
# Now we have our good server settings in "server_settings"
1166
1252
1167
1253
##################################################################
1168
1254
1169
1255
# For convenience
1170
debug = server_settings["debug"]
1171
use_dbus = server_settings["use_dbus"]
1172
use_ipv6 = server_settings["use_ipv6"]
1256
debug = server_settings[u"debug"]
1257
use_dbus = server_settings[u"use_dbus"]
1258
use_ipv6 = server_settings[u"use_ipv6"]
1173
1259
1174
1260
if not debug:
1175
1261
syslogger.setLevel(logging.WARNING)
1176
1262
console.setLevel(logging.WARNING)
1177
1263
1178
if server_settings["servicename"] != "Mandos":
1264
if server_settings[u"servicename"] != u"Mandos":
1179
1265
syslogger.setFormatter(logging.Formatter
1180
('Mandos (%s) [%%(process)d]:'
1181
' %%(levelname)s: %%(message)s'
1182
% server_settings["servicename"]))
1266
(u'Mandos (%s) [%%(process)d]:'
1267
u' %%(levelname)s: %%(message)s'
1268
% server_settings[u"servicename"]))
1183
1269
1184
1270
# Parse config file with clients
1185
client_defaults = { "timeout": "1h",
1186
"interval": "5m",
1187
"checker": "fping -q -- %%(host)s",
1188
"host": "",
1271
client_defaults = { u"timeout": u"1h",
1272
u"interval": u"5m",
1273
u"checker": u"fping -q -- %%(host)s",
1274
u"host": u"",
1189
1275
}
1190
client_config = ConfigParser.SafeConfigParser(client_defaults)
1191
client_config.read(os.path.join(server_settings["configdir"],
1192
"clients.conf"))
1193
1276
client_config = configparser.SafeConfigParser(client_defaults)
1277
client_config.read(os.path.join(server_settings[u"configdir"],
1278
u"clients.conf"))
1279
1194
1280
global mandos_dbus_service
1195
1281
mandos_dbus_service = None
1196
1282
1197
clients = Set()
1198
tcp_server = IPv6_TCPServer((server_settings["address"],
1199
server_settings["port"]),
1200
TCP_handler,
1201
settings=server_settings,
1202
clients=clients, use_ipv6=use_ipv6)
1203
pidfilename = "/var/run/mandos.pid"
1283
tcp_server = MandosServer((server_settings[u"address"],
1284
server_settings[u"port"]),
1285
ClientHandler,
1286
interface=server_settings[u"interface"],
1287
use_ipv6=use_ipv6,
1288
gnutls_priority=
1289
server_settings[u"priority"],
1290
use_dbus=use_dbus)
1291
pidfilename = u"/var/run/mandos.pid"
1204
1292
try:
1205
pidfile = open(pidfilename, "w")
1293
pidfile = open(pidfilename, u"w")
1206
1294
except IOError:
1207
logger.error("Could not open file %r", pidfilename)
1295
logger.error(u"Could not open file %r", pidfilename)
1208
1296
1209
1297
try:
1210
uid = pwd.getpwnam("_mandos").pw_uid
1211
gid = pwd.getpwnam("_mandos").pw_gid
1298
uid = pwd.getpwnam(u"_mandos").pw_uid
1299
gid = pwd.getpwnam(u"_mandos").pw_gid
1212
1300
except KeyError:
1213
1301
try:
1214
uid = pwd.getpwnam("mandos").pw_uid
1215
gid = pwd.getpwnam("mandos").pw_gid
1302
uid = pwd.getpwnam(u"mandos").pw_uid
1303
gid = pwd.getpwnam(u"mandos").pw_gid
1216
1304
except KeyError:
1217
1305
try:
1218
uid = pwd.getpwnam("nobody").pw_uid
1219
gid = pwd.getpwnam("nogroup").pw_gid
1306
uid = pwd.getpwnam(u"nobody").pw_uid
1307
gid = pwd.getpwnam(u"nobody").pw_gid
1220
1308
except KeyError:
1221
1309
uid = 65534
1222
1310
gid = 65534
1235
1323
1236
1324
@gnutls.library.types.gnutls_log_func
1237
1325
def debug_gnutls(level, string):
1238
logger.debug("GnuTLS: %s", string[:-1])
1326
logger.debug(u"GnuTLS: %s", string[:-1])
1239
1327
1240
1328
(gnutls.library.functions
1241
1329
.gnutls_global_set_log_function(debug_gnutls))
1242
1330
1243
global service
1244
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
1245
service = AvahiService(name = server_settings["servicename"],
1246
servicetype = "_mandos._tcp",
1247
protocol = protocol)
1248
if server_settings["interface"]:
1249
service.interface = (if_nametoindex
1250
(server_settings["interface"]))
1251
1252
1331
global main_loop
1253
global bus
1254
global server
1255
1332
# From the Avahi example code
1256
1333
DBusGMainLoop(set_as_default=True )
1257
1334
main_loop = gobject.MainLoop()
1258
1335
bus = dbus.SystemBus()
1259
server = dbus.Interface(bus.get_object(avahi.DBUS_NAME,
1260
avahi.DBUS_PATH_SERVER),
1261
avahi.DBUS_INTERFACE_SERVER)
1262
1336
# End of Avahi example code
1263
1337
if use_dbus:
1264
1338
bus_name = dbus.service.BusName(u"se.bsnet.fukt.Mandos", bus)
1339
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
1340
service = AvahiService(name = server_settings[u"servicename"],
1341
servicetype = u"_mandos._tcp",
1342
protocol = protocol, bus = bus)
1343
if server_settings["interface"]:
1344
service.interface = (if_nametoindex
1345
(str(server_settings[u"interface"])))
1265
1346
1266
1347
client_class = Client
1267
1348
if use_dbus:
1268
client_class = ClientDBus
1269
clients.update(Set(
1349
client_class = functools.partial(ClientDBus, bus = bus)
1350
tcp_server.clients.update(set(
1270
1351
client_class(name = section,
1271
1352
config= dict(client_config.items(section)))
1272
1353
for section in client_config.sections()))
1273
if not clients:
1354
if not tcp_server.clients:
1274
1355
logger.warning(u"No clients defined")
1275
1356
1276
1357
if debug:
1300
1381
1301
1382
def cleanup():
1302
1383
"Cleanup function; run on exit"
1303
global group
1304
# From the Avahi example code
1305
if not group is None:
1306
group.Free()
1307
group = None
1308
# End of Avahi example code
1384
service.cleanup()
1309
1385
1310
while clients:
1311
client = clients.pop()
1386
while tcp_server.clients:
1387
client = tcp_server.clients.pop()
1312
1388
client.disable_hook = None
1313
1389
client.disable()
1314
1390
1323
1399
class MandosDBusService(dbus.service.Object):
1324
1400
"""A D-Bus proxy object"""
1325
1401
def __init__(self):
1326
dbus.service.Object.__init__(self, bus, "/")
1402
dbus.service.Object.__init__(self, bus, u"/")
1327
1403
_interface = u"se.bsnet.fukt.Mandos"
1328
1404
1329
@dbus.service.signal(_interface, signature="oa{sv}")
1405
@dbus.service.signal(_interface, signature=u"oa{sv}")
1330
1406
def ClientAdded(self, objpath, properties):
1331
1407
"D-Bus signal"
1332
1408
pass
1333
1409
1334
@dbus.service.signal(_interface, signature="s")
1410
@dbus.service.signal(_interface, signature=u"s")
1335
1411
def ClientNotFound(self, fingerprint):
1336
1412
"D-Bus signal"
1337
1413
pass
1338
1414
1339
@dbus.service.signal(_interface, signature="os")
1415
@dbus.service.signal(_interface, signature=u"os")
1340
1416
def ClientRemoved(self, objpath, name):
1341
1417
"D-Bus signal"
1342
1418
pass
1343
1419
1344
@dbus.service.method(_interface, out_signature="ao")
1420
@dbus.service.method(_interface, out_signature=u"ao")
1345
1421
def GetAllClients(self):
1346
1422
"D-Bus method"
1347
return dbus.Array(c.dbus_object_path for c in clients)
1423
return dbus.Array(c.dbus_object_path
1424
for c in tcp_server.clients)
1348
1425
1349
@dbus.service.method(_interface, out_signature="a{oa{sv}}")
1426
@dbus.service.method(_interface,
1427
out_signature=u"a{oa{sv}}")
1350
1428
def GetAllClientsWithProperties(self):
1351
1429
"D-Bus method"
1352
1430
return dbus.Dictionary(
1353
1431
((c.dbus_object_path, c.GetAllProperties())
1354
for c in clients),
1355
signature="oa{sv}")
1432
for c in tcp_server.clients),
1433
signature=u"oa{sv}")
1356
1434
1357
@dbus.service.method(_interface, in_signature="o")
1435
@dbus.service.method(_interface, in_signature=u"o")
1358
1436
def RemoveClient(self, object_path):
1359
1437
"D-Bus method"
1360
for c in clients:
1438
for c in tcp_server.clients:
1361
1439
if c.dbus_object_path == object_path:
1362
clients.remove(c)
1440
tcp_server.clients.remove(c)
1363
1441
c.remove_from_connection()
1364
1442
# Don't signal anything except ClientRemoved
1365
1443
c.disable(signal=False)
1372
1450
1373
1451
mandos_dbus_service = MandosDBusService()
1374
1452
1375
for client in clients:
1453
for client in tcp_server.clients:
1376
1454
if use_dbus:
1377
1455
# Emit D-Bus signal
1378
1456
mandos_dbus_service.ClientAdded(client.dbus_object_path,
1396
1474
1397
1475
try:
1398
1476
# From the Avahi example code
1399
server.connect_to_signal("StateChanged", server_state_changed)
1400
1477
try:
1401
server_state_changed(server.GetState())
1478
service.activate()
1402
1479
except dbus.exceptions.DBusException, error:
1403
1480
logger.critical(u"DBusException: %s", error)
1404
1481
sys.exit(1)
1417
1494
except KeyboardInterrupt:
1418
1495
if debug:
1419
1496
print >> sys.stderr
1420
logger.debug("Server received KeyboardInterrupt")
1421
logger.debug("Server exiting")
1497
logger.debug(u"Server received KeyboardInterrupt")
1498
logger.debug(u"Server exiting")
1422
1499
1423
1500
if __name__ == '__main__':
1424
1501
main()
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0