156
173
# End of Avahi example code
159
class Client(object):
176
def _datetime_to_dbus(dt, variant_level=0):
177
"""Convert a UTC datetime.datetime() to a D-Bus type."""
178
return dbus.String(dt.isoformat(), variant_level=variant_level)
181
class Client(dbus.service.Object):
160
182
"""A representation of a client host served by this server.
162
name: string; from the config file, used in log messages
184
name: string; from the config file, used in log messages and
163
186
fingerprint: string (40 or 32 hexadecimal digits); used to
164
187
uniquely identify the client
165
secret: bytestring; sent verbatim (over TLS) to client
166
fqdn: string (FQDN); available for use by the checker command
167
created: datetime.datetime(); object creation, not client host
168
last_checked_ok: datetime.datetime() or None if not yet checked OK
169
timeout: datetime.timedelta(); How long from last_checked_ok
170
until this client is invalid
171
interval: datetime.timedelta(); How often to start a new checker
172
stop_hook: If set, called by stop() as stop_hook(self)
173
checker: subprocess.Popen(); a running checker process used
174
to see if the client lives.
175
'None' if no process is running.
188
secret: bytestring; sent verbatim (over TLS) to client
189
host: string; available for use by the checker command
190
created: datetime.datetime(); (UTC) object creation
191
last_enabled: datetime.datetime(); (UTC)
193
last_checked_ok: datetime.datetime(); (UTC) or None
194
timeout: datetime.timedelta(); How long from last_checked_ok
195
until this client is invalid
196
interval: datetime.timedelta(); How often to start a new checker
197
disable_hook: If set, called by disable() as disable_hook(self)
198
checker: subprocess.Popen(); a running checker process used
199
to see if the client lives.
200
'None' if no process is running.
176
201
checker_initiator_tag: a gobject event source tag, or None
177
stop_initiator_tag: - '' -
202
disable_initiator_tag: - '' -
178
203
checker_callback_tag: - '' -
179
204
checker_command: string; External command which is run to check if
180
205
client lives. %() expansions are done at
181
206
runtime with vars(self) as dict, so that for
182
207
instance %(name)s can be used in the command.
184
_timeout: Real variable for 'timeout'
185
_interval: Real variable for 'interval'
186
_timeout_milliseconds: Used when calling gobject.timeout_add()
187
_interval_milliseconds: - '' -
208
use_dbus: bool(); Whether to provide D-Bus interface and signals
209
dbus_object_path: dbus.ObjectPath ; only set if self.use_dbus
189
def _set_timeout(self, timeout):
190
"Setter function for 'timeout' attribute"
191
self._timeout = timeout
192
self._timeout_milliseconds = ((self.timeout.days
193
* 24 * 60 * 60 * 1000)
194
+ (self.timeout.seconds * 1000)
195
+ (self.timeout.microseconds
197
timeout = property(lambda self: self._timeout,
200
def _set_interval(self, interval):
201
"Setter function for 'interval' attribute"
202
self._interval = interval
203
self._interval_milliseconds = ((self.interval.days
204
* 24 * 60 * 60 * 1000)
205
+ (self.interval.seconds
207
+ (self.interval.microseconds
209
interval = property(lambda self: self._interval,
212
def __init__(self, name = None, stop_hook=None, config={}):
211
def timeout_milliseconds(self):
212
"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))
217
def interval_milliseconds(self):
218
"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))
223
def __init__(self, name = None, disable_hook=None, config=None,
213
225
"""Note: the 'checker' key in 'config' sets the
214
226
'checker_command' attribute and *not* the 'checker'
217
231
logger.debug(u"Creating client %r", self.name)
232
self.use_dbus = False # During __init__
218
233
# Uppercase and remove spaces from fingerprint for later
219
234
# comparison purposes with return value from the fingerprint()
221
self.fingerprint = config["fingerprint"].upper()\
236
self.fingerprint = (config["fingerprint"].upper()
223
238
logger.debug(u" Fingerprint: %s", self.fingerprint)
224
239
if "secret" in config:
225
240
self.secret = config["secret"].decode(u"base64")
226
241
elif "secfile" in config:
227
sf = open(config["secfile"])
228
self.secret = sf.read()
242
with closing(open(os.path.expanduser
244
(config["secfile"])))) as secfile:
245
self.secret = secfile.read()
231
247
raise TypeError(u"No secret or secfile for client %s"
233
self.fqdn = config.get("fqdn", "")
234
self.created = datetime.datetime.now()
249
self.host = config.get("host", "")
250
self.created = datetime.datetime.utcnow()
252
self.last_enabled = None
235
253
self.last_checked_ok = None
236
254
self.timeout = string_to_delta(config["timeout"])
237
255
self.interval = string_to_delta(config["interval"])
238
self.stop_hook = stop_hook
256
self.disable_hook = disable_hook
239
257
self.checker = None
240
258
self.checker_initiator_tag = None
241
self.stop_initiator_tag = None
259
self.disable_initiator_tag = None
242
260
self.checker_callback_tag = None
243
self.check_command = config["checker"]
261
self.checker_command = config["checker"]
262
self.last_connect = None
263
# Only now, when this client is initialized, can it show up on
265
self.use_dbus = use_dbus
267
self.dbus_object_path = (dbus.ObjectPath
269
+ self.name.replace(".", "_")))
270
dbus.service.Object.__init__(self, bus,
271
self.dbus_object_path)
245
274
"""Start this client's checker and timeout hooks"""
275
self.last_enabled = datetime.datetime.utcnow()
246
276
# Schedule a new checker to be started an 'interval' from now,
247
277
# and every interval from then on.
248
self.checker_initiator_tag = gobject.timeout_add\
249
(self._interval_milliseconds,
278
self.checker_initiator_tag = (gobject.timeout_add
279
(self.interval_milliseconds(),
251
281
# Also start a new checker *right now*.
252
282
self.start_checker()
253
# Schedule a stop() when 'timeout' has passed
254
self.stop_initiator_tag = gobject.timeout_add\
255
(self._timeout_milliseconds,
259
The possibility that a client might be restarted is left open,
260
but not currently used."""
261
# If this client doesn't have a secret, it is already stopped.
263
logger.info(u"Stopping client %s", self.name)
283
# Schedule a disable() when 'timeout' has passed
284
self.disable_initiator_tag = (gobject.timeout_add
285
(self.timeout_milliseconds(),
290
self.PropertyChanged(dbus.String(u"enabled"),
291
dbus.Boolean(True, variant_level=1))
292
self.PropertyChanged(dbus.String(u"last_enabled"),
293
(_datetime_to_dbus(self.last_enabled,
297
"""Disable this client."""
298
if not getattr(self, "enabled", False):
267
if getattr(self, "stop_initiator_tag", False):
268
gobject.source_remove(self.stop_initiator_tag)
269
self.stop_initiator_tag = None
300
logger.info(u"Disabling client %s", self.name)
301
if getattr(self, "disable_initiator_tag", False):
302
gobject.source_remove(self.disable_initiator_tag)
303
self.disable_initiator_tag = None
270
304
if getattr(self, "checker_initiator_tag", False):
271
305
gobject.source_remove(self.checker_initiator_tag)
272
306
self.checker_initiator_tag = None
273
307
self.stop_checker()
308
if self.disable_hook:
309
self.disable_hook(self)
313
self.PropertyChanged(dbus.String(u"enabled"),
314
dbus.Boolean(False, variant_level=1))
276
315
# Do not run this again if called by a gobject.timeout_add
278
318
def __del__(self):
279
self.stop_hook = None
281
def checker_callback(self, pid, condition):
319
self.disable_hook = None
322
def checker_callback(self, pid, condition, command):
282
323
"""The checker has completed, so take appropriate actions."""
283
now = datetime.datetime.now()
284
324
self.checker_callback_tag = None
285
325
self.checker = None
286
if os.WIFEXITED(condition) \
287
and (os.WEXITSTATUS(condition) == 0):
288
logger.info(u"Checker for %(name)s succeeded",
290
self.last_checked_ok = now
291
gobject.source_remove(self.stop_initiator_tag)
292
self.stop_initiator_tag = gobject.timeout_add\
293
(self._timeout_milliseconds,
295
elif not os.WIFEXITED(condition):
328
self.PropertyChanged(dbus.String(u"checker_running"),
329
dbus.Boolean(False, variant_level=1))
330
if os.WIFEXITED(condition):
331
exitstatus = os.WEXITSTATUS(condition)
333
logger.info(u"Checker for %(name)s succeeded",
337
logger.info(u"Checker for %(name)s failed",
341
self.CheckerCompleted(dbus.Int16(exitstatus),
342
dbus.Int64(condition),
343
dbus.String(command))
296
345
logger.warning(u"Checker for %(name)s crashed?",
299
logger.info(u"Checker for %(name)s failed",
349
self.CheckerCompleted(dbus.Int16(-1),
350
dbus.Int64(condition),
351
dbus.String(command))
353
def checked_ok(self):
354
"""Bump up the timeout for this client.
355
This should only be called when the client has been seen,
358
self.last_checked_ok = datetime.datetime.utcnow()
359
gobject.source_remove(self.disable_initiator_tag)
360
self.disable_initiator_tag = (gobject.timeout_add
361
(self.timeout_milliseconds(),
365
self.PropertyChanged(
366
dbus.String(u"last_checked_ok"),
367
(_datetime_to_dbus(self.last_checked_ok,
301
370
def start_checker(self):
302
371
"""Start a new checker subprocess if one is not running.
303
372
If a checker already exists, leave it running and do
312
381
# is as it should be.
313
382
if self.checker is None:
315
# In case check_command has exactly one % operator
316
command = self.check_command % self.fqdn
384
# In case checker_command has exactly one % operator
385
command = self.checker_command % self.host
317
386
except TypeError:
318
387
# Escape attributes for the shell
319
388
escaped_attrs = dict((key, re.escape(str(val)))
321
390
vars(self).iteritems())
323
command = self.check_command % escaped_attrs
392
command = self.checker_command % escaped_attrs
324
393
except TypeError, error:
325
394
logger.error(u'Could not format string "%s":'
326
u' %s', self.check_command, error)
395
u' %s', self.checker_command, error)
327
396
return True # Try again later
329
398
logger.info(u"Starting checker %r for %s",
330
399
command, self.name)
400
# We don't need to redirect stdout and stderr, since
401
# in normal mode, that is already done by daemon(),
402
# and in debug mode we don't want to. (Stdin is
403
# always replaced by /dev/null.)
331
404
self.checker = subprocess.Popen(command,
333
406
shell=True, cwd="/")
334
self.checker_callback_tag = gobject.child_watch_add\
336
self.checker_callback)
337
except subprocess.OSError, error:
409
self.CheckerStarted(command)
410
self.PropertyChanged(
411
dbus.String("checker_running"),
412
dbus.Boolean(True, variant_level=1))
413
self.checker_callback_tag = (gobject.child_watch_add
415
self.checker_callback,
417
# The checker may have completed before the gobject
418
# watch was added. Check for this.
419
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
421
gobject.source_remove(self.checker_callback_tag)
422
self.checker_callback(pid, status, command)
423
except OSError, error:
338
424
logger.error(u"Failed to start subprocess: %s",
340
426
# Re-run this periodically if run by gobject.timeout_add
342
429
def stop_checker(self):
343
430
"""Force the checker process, if any, to stop."""
344
431
if self.checker_callback_tag:
356
443
if error.errno != errno.ESRCH: # No such process
358
445
self.checker = None
447
self.PropertyChanged(dbus.String(u"checker_running"),
448
dbus.Boolean(False, variant_level=1))
359
450
def still_valid(self):
360
451
"""Has the timeout not yet passed for this client?"""
361
now = datetime.datetime.now()
452
if not getattr(self, "enabled", False):
454
now = datetime.datetime.utcnow()
362
455
if self.last_checked_ok is None:
363
456
return now < (self.created + self.timeout)
365
458
return now < (self.last_checked_ok + self.timeout)
460
## D-Bus methods & signals
461
_interface = u"se.bsnet.fukt.Mandos.Client"
464
CheckedOK = dbus.service.method(_interface)(checked_ok)
465
CheckedOK.__name__ = "CheckedOK"
467
# CheckerCompleted - signal
468
@dbus.service.signal(_interface, signature="nxs")
469
def CheckerCompleted(self, exitcode, waitstatus, command):
473
# CheckerStarted - signal
474
@dbus.service.signal(_interface, signature="s")
475
def CheckerStarted(self, command):
479
# GetAllProperties - method
480
@dbus.service.method(_interface, out_signature="a{sv}")
481
def GetAllProperties(self):
483
return dbus.Dictionary({
485
dbus.String(self.name, variant_level=1),
486
dbus.String("fingerprint"):
487
dbus.String(self.fingerprint, variant_level=1),
489
dbus.String(self.host, variant_level=1),
490
dbus.String("created"):
491
_datetime_to_dbus(self.created, variant_level=1),
492
dbus.String("last_enabled"):
493
(_datetime_to_dbus(self.last_enabled,
495
if self.last_enabled is not None
496
else dbus.Boolean(False, variant_level=1)),
497
dbus.String("enabled"):
498
dbus.Boolean(self.enabled, variant_level=1),
499
dbus.String("last_checked_ok"):
500
(_datetime_to_dbus(self.last_checked_ok,
502
if self.last_checked_ok is not None
503
else dbus.Boolean (False, variant_level=1)),
504
dbus.String("timeout"):
505
dbus.UInt64(self.timeout_milliseconds(),
507
dbus.String("interval"):
508
dbus.UInt64(self.interval_milliseconds(),
510
dbus.String("checker"):
511
dbus.String(self.checker_command,
513
dbus.String("checker_running"):
514
dbus.Boolean(self.checker is not None,
516
dbus.String("object_path"):
517
dbus.ObjectPath(self.dbus_object_path,
521
# IsStillValid - method
522
IsStillValid = (dbus.service.method(_interface, out_signature="b")
524
IsStillValid.__name__ = "IsStillValid"
526
# PropertyChanged - signal
527
@dbus.service.signal(_interface, signature="sv")
528
def PropertyChanged(self, property, value):
532
# SetChecker - method
533
@dbus.service.method(_interface, in_signature="s")
534
def SetChecker(self, checker):
535
"D-Bus setter method"
536
self.checker_command = checker
538
self.PropertyChanged(dbus.String(u"checker"),
539
dbus.String(self.checker_command,
543
@dbus.service.method(_interface, in_signature="s")
544
def SetHost(self, host):
545
"D-Bus setter method"
548
self.PropertyChanged(dbus.String(u"host"),
549
dbus.String(self.host, variant_level=1))
551
# SetInterval - method
552
@dbus.service.method(_interface, in_signature="t")
553
def SetInterval(self, milliseconds):
554
self.interval = datetime.timedelta(0, 0, 0, milliseconds)
556
self.PropertyChanged(dbus.String(u"interval"),
557
(dbus.UInt64(self.interval_milliseconds(),
561
@dbus.service.method(_interface, in_signature="ay",
563
def SetSecret(self, secret):
564
"D-Bus setter method"
565
self.secret = str(secret)
567
# SetTimeout - method
568
@dbus.service.method(_interface, in_signature="t")
569
def SetTimeout(self, milliseconds):
570
self.timeout = datetime.timedelta(0, 0, 0, milliseconds)
572
self.PropertyChanged(dbus.String(u"timeout"),
573
(dbus.UInt64(self.timeout_milliseconds(),
577
Enable = dbus.service.method(_interface)(enable)
578
Enable.__name__ = "Enable"
580
# StartChecker - method
581
@dbus.service.method(_interface)
582
def StartChecker(self):
587
@dbus.service.method(_interface)
592
# StopChecker - method
593
StopChecker = dbus.service.method(_interface)(stop_checker)
594
StopChecker.__name__ = "StopChecker"
368
599
def peer_certificate(session):
369
600
"Return the peer's OpenPGP certificate as a bytestring"
370
601
# If not an OpenPGP certificate...
371
if gnutls.library.functions.gnutls_certificate_type_get\
372
(session._c_object) \
373
!= gnutls.library.constants.GNUTLS_CRT_OPENPGP:
602
if (gnutls.library.functions
603
.gnutls_certificate_type_get(session._c_object)
604
!= gnutls.library.constants.GNUTLS_CRT_OPENPGP):
374
605
# ...do the normal thing
375
606
return session.peer_certificate
376
list_size = ctypes.c_uint()
377
cert_list = gnutls.library.functions.gnutls_certificate_get_peers\
378
(session._c_object, ctypes.byref(list_size))
607
list_size = ctypes.c_uint(1)
608
cert_list = (gnutls.library.functions
609
.gnutls_certificate_get_peers
610
(session._c_object, ctypes.byref(list_size)))
611
if not bool(cert_list) and list_size.value != 0:
612
raise gnutls.errors.GNUTLSError("error getting peer"
379
614
if list_size.value == 0:
381
616
cert = cert_list[0]
385
620
def fingerprint(openpgp):
386
621
"Convert an OpenPGP bytestring to a hexdigit fingerprint string"
387
622
# New GnuTLS "datum" with the OpenPGP public key
388
datum = gnutls.library.types.gnutls_datum_t\
389
(ctypes.cast(ctypes.c_char_p(openpgp),
390
ctypes.POINTER(ctypes.c_ubyte)),
391
ctypes.c_uint(len(openpgp)))
623
datum = (gnutls.library.types
624
.gnutls_datum_t(ctypes.cast(ctypes.c_char_p(openpgp),
627
ctypes.c_uint(len(openpgp))))
392
628
# New empty GnuTLS certificate
393
629
crt = gnutls.library.types.gnutls_openpgp_crt_t()
394
gnutls.library.functions.gnutls_openpgp_crt_init\
630
(gnutls.library.functions
631
.gnutls_openpgp_crt_init(ctypes.byref(crt)))
396
632
# Import the OpenPGP public key into the certificate
397
gnutls.library.functions.gnutls_openpgp_crt_import\
398
(crt, ctypes.byref(datum),
399
gnutls.library.constants.GNUTLS_OPENPGP_FMT_RAW)
633
(gnutls.library.functions
634
.gnutls_openpgp_crt_import(crt, ctypes.byref(datum),
635
gnutls.library.constants
636
.GNUTLS_OPENPGP_FMT_RAW))
637
# Verify the self signature in the key
638
crtverify = ctypes.c_uint()
639
(gnutls.library.functions
640
.gnutls_openpgp_crt_verify_self(crt, 0, ctypes.byref(crtverify)))
641
if crtverify.value != 0:
642
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
643
raise gnutls.errors.CertificateSecurityError("Verify failed")
400
644
# New buffer for the fingerprint
401
buffer = ctypes.create_string_buffer(20)
402
buffer_length = ctypes.c_size_t()
645
buf = ctypes.create_string_buffer(20)
646
buf_len = ctypes.c_size_t()
403
647
# Get the fingerprint from the certificate into the buffer
404
gnutls.library.functions.gnutls_openpgp_crt_get_fingerprint\
405
(crt, ctypes.byref(buffer), ctypes.byref(buffer_length))
648
(gnutls.library.functions
649
.gnutls_openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
650
ctypes.byref(buf_len)))
406
651
# Deinit the certificate
407
652
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
408
653
# Convert the buffer to a Python bytestring
409
fpr = ctypes.string_at(buffer, buffer_length.value)
654
fpr = ctypes.string_at(buf, buf_len.value)
410
655
# Convert the bytestring to hexadecimal notation
411
656
hex_fpr = u''.join(u"%02X" % ord(char) for char in fpr)
415
class tcp_handler(SocketServer.BaseRequestHandler, object):
660
class TCP_handler(SocketServer.BaseRequestHandler, object):
416
661
"""A TCP request handler class.
417
662
Instantiated by IPv6_TCPServer for each request to handle it.
418
663
Note: This will run in its own forked process."""
420
665
def handle(self):
421
666
logger.info(u"TCP connection from: %s",
422
unicode(self.client_address))
423
session = gnutls.connection.ClientSession\
424
(self.request, gnutls.connection.X509Credentials())
667
unicode(self.client_address))
668
session = (gnutls.connection
669
.ClientSession(self.request,
426
673
line = self.request.makefile().readline()
427
674
logger.debug(u"Protocol version: %r", line)
686
956
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
687
957
"servicename": "Mandos",
690
962
# Parse config file for server-global settings
691
963
server_config = ConfigParser.SafeConfigParser(server_defaults)
692
964
del server_defaults
693
965
server_config.read(os.path.join(options.configdir, "mandos.conf"))
694
server_section = "server"
695
966
# Convert the SafeConfigParser object to a dict
696
server_settings = dict(server_config.items(server_section))
697
# Use getboolean on the boolean config option
698
server_settings["debug"] = server_config.getboolean\
699
(server_section, "debug")
967
server_settings = server_config.defaults()
968
# Use the appropriate methods on the non-string config options
969
server_settings["debug"] = server_config.getboolean("DEFAULT",
971
server_settings["use_dbus"] = server_config.getboolean("DEFAULT",
973
server_settings["use_ipv6"] = server_config.getboolean("DEFAULT",
975
if server_settings["port"]:
976
server_settings["port"] = server_config.getint("DEFAULT",
700
978
del server_config
702
980
# Override the settings from the config file with command line
703
981
# options, if set.
704
982
for option in ("interface", "address", "port", "debug",
705
"priority", "servicename", "configdir"):
983
"priority", "servicename", "configdir",
984
"use_dbus", "use_ipv6"):
706
985
value = getattr(options, option)
707
986
if value is not None:
708
987
server_settings[option] = value
710
989
# Now we have our good server settings in "server_settings"
992
debug = server_settings["debug"]
993
use_dbus = server_settings["use_dbus"]
994
use_ipv6 = server_settings["use_ipv6"]
997
syslogger.setLevel(logging.WARNING)
998
console.setLevel(logging.WARNING)
1000
if server_settings["servicename"] != "Mandos":
1001
syslogger.setFormatter(logging.Formatter
1002
('Mandos (%s): %%(levelname)s:'
1004
% server_settings["servicename"]))
712
1006
# Parse config file with clients
713
1007
client_defaults = { "timeout": "1h",
714
1008
"interval": "5m",
715
"checker": "fping -q -- %%(fqdn)s",
1009
"checker": "fping -q -- %%(host)s",
717
1012
client_config = ConfigParser.SafeConfigParser(client_defaults)
718
1013
client_config.read(os.path.join(server_settings["configdir"],
719
1014
"clients.conf"))
1017
tcp_server = IPv6_TCPServer((server_settings["address"],
1018
server_settings["port"]),
1020
settings=server_settings,
1021
clients=clients, use_ipv6=use_ipv6)
1022
pidfilename = "/var/run/mandos.pid"
1024
pidfile = open(pidfilename, "w")
1026
logger.error("Could not open file %r", pidfilename)
1029
uid = pwd.getpwnam("_mandos").pw_uid
1030
gid = pwd.getpwnam("_mandos").pw_gid
1033
uid = pwd.getpwnam("mandos").pw_uid
1034
gid = pwd.getpwnam("mandos").pw_gid
1037
uid = pwd.getpwnam("nobody").pw_uid
1038
gid = pwd.getpwnam("nogroup").pw_gid
1045
except OSError, error:
1046
if error[0] != errno.EPERM:
1049
# Enable all possible GnuTLS debugging
1051
# "Use a log level over 10 to enable all debugging options."
1053
gnutls.library.functions.gnutls_global_set_log_level(11)
1055
@gnutls.library.types.gnutls_log_func
1056
def debug_gnutls(level, string):
1057
logger.debug("GnuTLS: %s", string[:-1])
1059
(gnutls.library.functions
1060
.gnutls_global_set_log_function(debug_gnutls))
1063
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
722
1064
service = AvahiService(name = server_settings["servicename"],
723
type = "_mandos._tcp", );
1065
servicetype = "_mandos._tcp",
1066
protocol = protocol)
724
1067
if server_settings["interface"]:
725
service.interface = if_nametoindex(server_settings["interface"])
1068
service.interface = (if_nametoindex
1069
(server_settings["interface"]))
727
1071
global main_loop
731
1075
DBusGMainLoop(set_as_default=True )
732
1076
main_loop = gobject.MainLoop()
733
1077
bus = dbus.SystemBus()
734
server = dbus.Interface(
735
bus.get_object( avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER ),
736
avahi.DBUS_INTERFACE_SERVER )
1078
server = dbus.Interface(bus.get_object(avahi.DBUS_NAME,
1079
avahi.DBUS_PATH_SERVER),
1080
avahi.DBUS_INTERFACE_SERVER)
737
1081
# End of Avahi example code
739
debug = server_settings["debug"]
742
console = logging.StreamHandler()
743
# console.setLevel(logging.DEBUG)
744
console.setFormatter(logging.Formatter\
745
('%(levelname)s: %(message)s'))
746
logger.addHandler(console)
750
def remove_from_clients(client):
751
clients.remove(client)
753
logger.critical(u"No clients left, exiting")
1083
bus_name = dbus.service.BusName(u"se.bsnet.fukt.Mandos", bus)
756
1085
clients.update(Set(Client(name = section,
757
stop_hook = remove_from_clients,
759
= dict(client_config.items(section)))
1087
= dict(client_config.items(section)),
1088
use_dbus = use_dbus)
760
1089
for section in client_config.sections()))
1091
logger.warning(u"No clients defined")
1094
# Redirect stdin so all checkers get /dev/null
1095
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1096
os.dup2(null, sys.stdin.fileno())
1100
# No console logging
1101
logger.removeHandler(console)
1102
# Close all input and output, do double fork, etc.
765
pidfilename = "/var/run/mandos/mandos.pid"
768
pidfile = open(pidfilename, "w")
769
1107
pidfile.write(str(pid) + "\n")
773
logger.error("Could not write %s file with PID %d",
774
pidfilename, os.getpid())
1111
logger.error(u"Could not write to file %r with PID %d",
1114
# "pidfile" was never created
777
1119
"Cleanup function; run on exit"
794
1136
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
795
1137
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
1140
class MandosServer(dbus.service.Object):
1141
"""A D-Bus proxy object"""
1143
dbus.service.Object.__init__(self, bus, "/")
1144
_interface = u"se.bsnet.fukt.Mandos"
1146
@dbus.service.signal(_interface, signature="oa{sv}")
1147
def ClientAdded(self, objpath, properties):
1151
@dbus.service.signal(_interface, signature="os")
1152
def ClientRemoved(self, objpath, name):
1156
@dbus.service.method(_interface, out_signature="ao")
1157
def GetAllClients(self):
1159
return dbus.Array(c.dbus_object_path for c in clients)
1161
@dbus.service.method(_interface, out_signature="a{oa{sv}}")
1162
def GetAllClientsWithProperties(self):
1164
return dbus.Dictionary(
1165
((c.dbus_object_path, c.GetAllProperties())
1169
@dbus.service.method(_interface, in_signature="o")
1170
def RemoveClient(self, object_path):
1173
if c.dbus_object_path == object_path:
1175
# Don't signal anything except ClientRemoved
1179
self.ClientRemoved(object_path, c.name)
1185
mandos_server = MandosServer()
797
1187
for client in clients:
800
tcp_server = IPv6_TCPServer((server_settings["address"],
801
server_settings["port"]),
803
settings=server_settings,
1190
mandos_server.ClientAdded(client.dbus_object_path,
1191
client.GetAllProperties())
1195
tcp_server.server_activate()
805
1197
# Find out what port we got
806
1198
service.port = tcp_server.socket.getsockname()[1]
807
logger.info(u"Now listening on address %r, port %d, flowinfo %d,"
808
u" scope_id %d" % tcp_server.socket.getsockname())
1200
logger.info(u"Now listening on address %r, port %d,"
1201
" flowinfo %d, scope_id %d"
1202
% tcp_server.socket.getsockname())
1204
logger.info(u"Now listening on address %r, port %d"
1205
% tcp_server.socket.getsockname())
810
1207
#service.interface = tcp_server.socket.getsockname()[3]