157
154
u" after %i retries, exiting.",
158
155
self.rename_count)
159
156
raise AvahiServiceError(u"Too many renames")
160
self.name = unicode(self.server.GetAlternativeServiceName(self.name))
157
self.name = self.server.GetAlternativeServiceName(self.name)
161
158
logger.info(u"Changing Zeroconf service name to %r ...",
163
160
syslogger.setFormatter(logging.Formatter
164
161
(u'Mandos (%s) [%%(process)d]:'
165
162
u' %%(levelname)s: %%(message)s'
170
except dbus.exceptions.DBusException, error:
171
logger.critical(u"DBusException: %s", error)
174
166
self.rename_count += 1
175
167
def remove(self):
176
168
"""Derived from the Avahi example code"""
240
231
"""A representation of a client host served by this server.
243
_approved: bool(); 'None' if not yet approved/disapproved
244
approval_delay: datetime.timedelta(); Time to wait for approval
245
approval_duration: datetime.timedelta(); Duration of one approval
234
name: string; from the config file, used in log messages and
236
fingerprint: string (40 or 32 hexadecimal digits); used to
237
uniquely identify the client
238
secret: bytestring; sent verbatim (over TLS) to client
239
host: string; available for use by the checker command
240
created: datetime.datetime(); (UTC) object creation
241
last_enabled: datetime.datetime(); (UTC)
243
last_checked_ok: datetime.datetime(); (UTC) or None
244
timeout: datetime.timedelta(); How long from last_checked_ok
245
until this client is invalid
246
interval: datetime.timedelta(); How often to start a new checker
247
disable_hook: If set, called by disable() as disable_hook(self)
246
248
checker: subprocess.Popen(); a running checker process used
247
249
to see if the client lives.
248
250
'None' if no process is running.
251
checker_initiator_tag: a gobject event source tag, or None
252
disable_initiator_tag: - '' -
249
253
checker_callback_tag: - '' -
250
checker_command: string; External command which is run to check
251
if client lives. %() expansions are done at
254
checker_command: string; External command which is run to check if
255
client lives. %() expansions are done at
252
256
runtime with vars(self) as dict, so that for
253
257
instance %(name)s can be used in the command.
254
checker_initiator_tag: a gobject event source tag, or None
255
created: datetime.datetime(); (UTC) object creation
256
258
current_checker_command: string; current running checker_command
257
disable_hook: If set, called by disable() as disable_hook(self)
258
disable_initiator_tag: - '' -
260
fingerprint: string (40 or 32 hexadecimal digits); used to
261
uniquely identify the client
262
host: string; available for use by the checker command
263
interval: datetime.timedelta(); How often to start a new checker
264
last_checked_ok: datetime.datetime(); (UTC) or None
265
last_enabled: datetime.datetime(); (UTC)
266
name: string; from the config file, used in log messages and
268
secret: bytestring; sent verbatim (over TLS) to client
269
timeout: datetime.timedelta(); How long from last_checked_ok
270
until this client is disabled
271
runtime_expansions: Allowed attributes for runtime expansion.
274
runtime_expansions = (u"approval_delay", u"approval_duration",
275
u"created", u"enabled", u"fingerprint",
276
u"host", u"interval", u"last_checked_ok",
277
u"last_enabled", u"name", u"timeout")
280
262
def _timedelta_to_milliseconds(td):
281
263
"Convert a datetime.timedelta() to milliseconds"
333
313
self.checker_command = config[u"checker"]
334
314
self.current_checker_command = None
335
315
self.last_connect = None
336
self._approved = None
337
self.approved_by_default = config.get(u"approved_by_default",
339
self.approvals_pending = 0
340
self.approval_delay = string_to_delta(
341
config[u"approval_delay"])
342
self.approval_duration = string_to_delta(
343
config[u"approval_duration"])
344
self.changedstate = multiprocessing_manager.Condition(multiprocessing_manager.Lock())
346
def send_changedstate(self):
347
self.changedstate.acquire()
348
self.changedstate.notify_all()
349
self.changedstate.release()
351
317
def enable(self):
352
318
"""Start this client's checker and timeout hooks"""
353
319
if getattr(self, u"enabled", False):
354
320
# Already enabled
356
self.send_changedstate()
357
322
self.last_enabled = datetime.datetime.utcnow()
358
323
# Schedule a new checker to be started an 'interval' from now,
359
324
# and every interval from then on.
514
475
if error.errno != errno.ESRCH: # No such process
516
477
self.checker = None
479
def still_valid(self):
480
"""Has the timeout not yet passed for this client?"""
481
if not getattr(self, u"enabled", False):
483
now = datetime.datetime.utcnow()
484
if self.last_checked_ok is None:
485
return now < (self.created + self.timeout)
487
return now < (self.last_checked_ok + self.timeout)
518
490
def dbus_service_property(dbus_interface, signature=u"v",
519
491
access=u"readwrite", byte_arrays=False):
711
674
dbus_object_path: dbus.ObjectPath
712
675
bus: dbus.SystemBus()
715
runtime_expansions = (Client.runtime_expansions
716
+ (u"dbus_object_path",))
718
677
# dbus.service.Object doesn't use super(), so we can't either.
720
679
def __init__(self, bus = None, *args, **kwargs):
721
self._approvals_pending = 0
723
681
Client.__init__(self, *args, **kwargs)
724
682
# Only now, when this client is initialized, can it show up on
726
client_object_name = unicode(self.name).translate(
727
{ord(u"."): ord(u"_"),
728
ord(u"-"): ord(u"_")})
729
684
self.dbus_object_path = (dbus.ObjectPath
730
(u"/clients/" + client_object_name))
686
+ self.name.replace(u".", u"_")))
731
687
DBusObjectWithProperties.__init__(self, self.bus,
732
688
self.dbus_object_path)
734
def _get_approvals_pending(self):
735
return self._approvals_pending
736
def _set_approvals_pending(self, value):
737
old_value = self._approvals_pending
738
self._approvals_pending = value
740
if (hasattr(self, "dbus_object_path")
741
and bval is not bool(old_value)):
742
dbus_bool = dbus.Boolean(bval, variant_level=1)
743
self.PropertyChanged(dbus.String(u"ApprovalPending"),
746
approvals_pending = property(_get_approvals_pending,
747
_set_approvals_pending)
748
del _get_approvals_pending, _set_approvals_pending
751
691
def _datetime_to_dbus(dt, variant_level=0):
837
777
r = Client.stop_checker(self, *args, **kwargs)
838
778
if (old_checker is not None
839
779
and getattr(self, u"checker", None) is None):
840
self.PropertyChanged(dbus.String(u"CheckerRunning"),
780
self.PropertyChanged(dbus.String(u"checker_running"),
841
781
dbus.Boolean(False, variant_level=1))
844
def _reset_approved(self):
845
self._approved = None
848
def approve(self, value=True):
849
self.send_changedstate()
850
self._approved = value
851
gobject.timeout_add(self._timedelta_to_milliseconds
852
(self.approval_duration),
853
self._reset_approved)
856
## D-Bus methods, signals & properties
784
## D-Bus methods & signals
857
785
_interface = u"se.bsnet.fukt.Mandos.Client"
788
@dbus.service.method(_interface)
790
return self.checked_ok()
861
792
# CheckerCompleted - signal
862
793
@dbus.service.signal(_interface, signature=u"nxs")
879
810
# GotSecret - signal
880
811
@dbus.service.signal(_interface)
881
812
def GotSecret(self):
883
Is sent after a successful transfer of secret from the Mandos
884
server to mandos-client
888
816
# Rejected - signal
889
@dbus.service.signal(_interface, signature=u"s")
890
def Rejected(self, reason):
894
# NeedApproval - signal
895
@dbus.service.signal(_interface, signature=u"tb")
896
def NeedApproval(self, timeout, default):
903
@dbus.service.method(_interface, in_signature=u"b")
904
def Approve(self, value):
908
@dbus.service.method(_interface)
910
return self.checked_ok()
817
@dbus.service.signal(_interface)
912
822
# Enable - method
913
823
@dbus.service.method(_interface)
932
842
def StopChecker(self):
933
843
self.stop_checker()
937
# ApprovalPending - property
938
@dbus_service_property(_interface, signature=u"b", access=u"read")
939
def ApprovalPending_dbus_property(self):
940
return dbus.Boolean(bool(self.approvals_pending))
942
# ApprovedByDefault - property
943
@dbus_service_property(_interface, signature=u"b",
945
def ApprovedByDefault_dbus_property(self, value=None):
946
if value is None: # get
947
return dbus.Boolean(self.approved_by_default)
948
self.approved_by_default = bool(value)
950
self.PropertyChanged(dbus.String(u"ApprovedByDefault"),
951
dbus.Boolean(value, variant_level=1))
953
# ApprovalDelay - property
954
@dbus_service_property(_interface, signature=u"t",
956
def ApprovalDelay_dbus_property(self, value=None):
957
if value is None: # get
958
return dbus.UInt64(self.approval_delay_milliseconds())
959
self.approval_delay = datetime.timedelta(0, 0, 0, value)
961
self.PropertyChanged(dbus.String(u"ApprovalDelay"),
962
dbus.UInt64(value, variant_level=1))
964
# ApprovalDuration - property
965
@dbus_service_property(_interface, signature=u"t",
967
def ApprovalDuration_dbus_property(self, value=None):
968
if value is None: # get
969
return dbus.UInt64(self._timedelta_to_milliseconds(
970
self.approval_duration))
971
self.approval_duration = datetime.timedelta(0, 0, 0, value)
973
self.PropertyChanged(dbus.String(u"ApprovalDuration"),
974
dbus.UInt64(value, variant_level=1))
977
846
@dbus_service_property(_interface, signature=u"s", access=u"read")
978
def Name_dbus_property(self):
847
def name_dbus_property(self):
979
848
return dbus.String(self.name)
981
# Fingerprint - property
850
# fingerprint - property
982
851
@dbus_service_property(_interface, signature=u"s", access=u"read")
983
def Fingerprint_dbus_property(self):
852
def fingerprint_dbus_property(self):
984
853
return dbus.String(self.fingerprint)
987
856
@dbus_service_property(_interface, signature=u"s",
988
857
access=u"readwrite")
989
def Host_dbus_property(self, value=None):
858
def host_dbus_property(self, value=None):
990
859
if value is None: # get
991
860
return dbus.String(self.host)
992
861
self.host = value
993
862
# Emit D-Bus signal
994
self.PropertyChanged(dbus.String(u"Host"),
863
self.PropertyChanged(dbus.String(u"host"),
995
864
dbus.String(value, variant_level=1))
998
867
@dbus_service_property(_interface, signature=u"s", access=u"read")
999
def Created_dbus_property(self):
868
def created_dbus_property(self):
1000
869
return dbus.String(self._datetime_to_dbus(self.created))
1002
# LastEnabled - property
871
# last_enabled - property
1003
872
@dbus_service_property(_interface, signature=u"s", access=u"read")
1004
def LastEnabled_dbus_property(self):
873
def last_enabled_dbus_property(self):
1005
874
if self.last_enabled is None:
1006
875
return dbus.String(u"")
1007
876
return dbus.String(self._datetime_to_dbus(self.last_enabled))
1009
# Enabled - property
1010
879
@dbus_service_property(_interface, signature=u"b",
1011
880
access=u"readwrite")
1012
def Enabled_dbus_property(self, value=None):
881
def enabled_dbus_property(self, value=None):
1013
882
if value is None: # get
1014
883
return dbus.Boolean(self.enabled)
1029
898
return dbus.String(self._datetime_to_dbus(self
1030
899
.last_checked_ok))
1032
# Timeout - property
1033
902
@dbus_service_property(_interface, signature=u"t",
1034
903
access=u"readwrite")
1035
def Timeout_dbus_property(self, value=None):
904
def timeout_dbus_property(self, value=None):
1036
905
if value is None: # get
1037
906
return dbus.UInt64(self.timeout_milliseconds())
1038
907
self.timeout = datetime.timedelta(0, 0, 0, value)
1039
908
# Emit D-Bus signal
1040
self.PropertyChanged(dbus.String(u"Timeout"),
909
self.PropertyChanged(dbus.String(u"timeout"),
1041
910
dbus.UInt64(value, variant_level=1))
1042
911
if getattr(self, u"disable_initiator_tag", None) is None:
1057
926
self.disable_initiator_tag = (gobject.timeout_add
1058
927
(time_to_die, self.disable))
1060
# Interval - property
929
# interval - property
1061
930
@dbus_service_property(_interface, signature=u"t",
1062
931
access=u"readwrite")
1063
def Interval_dbus_property(self, value=None):
932
def interval_dbus_property(self, value=None):
1064
933
if value is None: # get
1065
934
return dbus.UInt64(self.interval_milliseconds())
1066
935
self.interval = datetime.timedelta(0, 0, 0, value)
1067
936
# Emit D-Bus signal
1068
self.PropertyChanged(dbus.String(u"Interval"),
937
self.PropertyChanged(dbus.String(u"interval"),
1069
938
dbus.UInt64(value, variant_level=1))
1070
939
if getattr(self, u"checker_initiator_tag", None) is None:
1075
944
(value, self.start_checker))
1076
945
self.start_checker() # Start one now, too
1078
# Checker - property
1079
948
@dbus_service_property(_interface, signature=u"s",
1080
949
access=u"readwrite")
1081
def Checker_dbus_property(self, value=None):
950
def checker_dbus_property(self, value=None):
1082
951
if value is None: # get
1083
952
return dbus.String(self.checker_command)
1084
953
self.checker_command = value
1085
954
# Emit D-Bus signal
1086
self.PropertyChanged(dbus.String(u"Checker"),
955
self.PropertyChanged(dbus.String(u"checker"),
1087
956
dbus.String(self.checker_command,
1088
957
variant_level=1))
1090
# CheckerRunning - property
959
# checker_running - property
1091
960
@dbus_service_property(_interface, signature=u"b",
1092
961
access=u"readwrite")
1093
def CheckerRunning_dbus_property(self, value=None):
962
def checker_running_dbus_property(self, value=None):
1094
963
if value is None: # get
1095
964
return dbus.Boolean(self.checker is not None)
1099
968
self.stop_checker()
1101
# ObjectPath - property
970
# object_path - property
1102
971
@dbus_service_property(_interface, signature=u"o", access=u"read")
1103
def ObjectPath_dbus_property(self):
972
def object_path_dbus_property(self):
1104
973
return self.dbus_object_path # is already a dbus.ObjectPath
1107
976
@dbus_service_property(_interface, signature=u"ay",
1108
977
access=u"write", byte_arrays=True)
1109
def Secret_dbus_property(self, value):
978
def secret_dbus_property(self, value):
1110
979
self.secret = str(value)
1115
class ProxyClient(object):
1116
def __init__(self, child_pipe, fpr, address):
1117
self._pipe = child_pipe
1118
self._pipe.send(('init', fpr, address))
1119
if not self._pipe.recv():
1122
def __getattribute__(self, name):
1123
if(name == '_pipe'):
1124
return super(ProxyClient, self).__getattribute__(name)
1125
self._pipe.send(('getattr', name))
1126
data = self._pipe.recv()
1127
if data[0] == 'data':
1129
if data[0] == 'function':
1130
def func(*args, **kwargs):
1131
self._pipe.send(('funcall', name, args, kwargs))
1132
return self._pipe.recv()[1]
1135
def __setattr__(self, name, value):
1136
if(name == '_pipe'):
1137
return super(ProxyClient, self).__setattr__(name, value)
1138
self._pipe.send(('setattr', name, value))
1141
984
class ClientHandler(socketserver.BaseRequestHandler, object):
1142
985
"""A class to handle client connections.
1145
988
Note: This will run in its own forked process."""
1147
990
def handle(self):
1148
with contextlib.closing(self.server.child_pipe) as child_pipe:
1149
logger.info(u"TCP connection from: %s",
1150
unicode(self.client_address))
1151
logger.debug(u"Pipe FD: %d",
1152
self.server.child_pipe.fileno())
991
logger.info(u"TCP connection from: %s",
992
unicode(self.client_address))
993
logger.debug(u"IPC Pipe FD: %d", self.server.pipe[1])
994
# Open IPC pipe to parent process
995
with closing(os.fdopen(self.server.pipe[1], u"w", 1)) as ipc:
1154
996
session = (gnutls.connection
1155
997
.ClientSession(self.request,
1156
998
gnutls.connection
1157
999
.X509Credentials()))
1001
line = self.request.makefile().readline()
1002
logger.debug(u"Protocol version: %r", line)
1004
if int(line.strip().split()[0]) > 1:
1006
except (ValueError, IndexError, RuntimeError), error:
1007
logger.error(u"Unknown protocol version: %s", error)
1159
1010
# Note: gnutls.connection.X509Credentials is really a
1160
1011
# generic GnuTLS certificate credentials object so long as
1161
1012
# no X.509 keys are added to it. Therefore, we can use it
1162
1013
# here despite using OpenPGP certificates.
1164
1015
#priority = u':'.join((u"NONE", u"+VERS-TLS1.1",
1165
1016
# u"+AES-256-CBC", u"+SHA1",
1166
1017
# u"+COMP-NULL", u"+CTYPE-OPENPGP",
1172
1023
(gnutls.library.functions
1173
1024
.gnutls_priority_set_direct(session._c_object,
1174
1025
priority, None))
1176
# Start communication using the Mandos protocol
1177
# Get protocol number
1178
line = self.request.makefile().readline()
1179
logger.debug(u"Protocol version: %r", line)
1181
if int(line.strip().split()[0]) > 1:
1183
except (ValueError, IndexError, RuntimeError), error:
1184
logger.error(u"Unknown protocol version: %s", error)
1187
# Start GnuTLS connection
1189
1028
session.handshake()
1190
1029
except gnutls.errors.GNUTLSError, error:
1193
1032
# established. Just abandon the request.
1195
1034
logger.debug(u"Handshake succeeded")
1197
approval_required = False
1200
fpr = self.fingerprint(self.peer_certificate
1202
except (TypeError, gnutls.errors.GNUTLSError), error:
1203
logger.warning(u"Bad certificate: %s", error)
1205
logger.debug(u"Fingerprint: %s", fpr)
1208
client = ProxyClient(child_pipe, fpr,
1209
self.client_address)
1213
if client.approval_delay:
1214
delay = client.approval_delay
1215
client.approvals_pending += 1
1216
approval_required = True
1219
if not client.enabled:
1220
logger.warning(u"Client %s is disabled",
1222
if self.server.use_dbus:
1224
client.Rejected("Disabled")
1227
if client._approved or not client.approval_delay:
1228
#We are approved or approval is disabled
1230
elif client._approved is None:
1231
logger.info(u"Client %s needs approval",
1233
if self.server.use_dbus:
1235
client.NeedApproval(
1236
client.approval_delay_milliseconds(),
1237
client.approved_by_default)
1239
logger.warning(u"Client %s was not approved",
1241
if self.server.use_dbus:
1243
client.Rejected("Denied")
1246
#wait until timeout or approved
1247
#x = float(client._timedelta_to_milliseconds(delay))
1248
time = datetime.datetime.now()
1249
client.changedstate.acquire()
1250
client.changedstate.wait(float(client._timedelta_to_milliseconds(delay) / 1000))
1251
client.changedstate.release()
1252
time2 = datetime.datetime.now()
1253
if (time2 - time) >= delay:
1254
if not client.approved_by_default:
1255
logger.warning("Client %s timed out while"
1256
" waiting for approval",
1258
if self.server.use_dbus:
1260
client.Rejected("Approval timed out")
1265
delay -= time2 - time
1268
while sent_size < len(client.secret):
1270
sent = session.send(client.secret[sent_size:])
1271
except (gnutls.errors.GNUTLSError), error:
1272
logger.warning("gnutls send failed")
1274
logger.debug(u"Sent: %d, remaining: %d",
1275
sent, len(client.secret)
1276
- (sent_size + sent))
1279
logger.info(u"Sending secret to %s", client.name)
1280
# bump the timeout as if seen
1282
if self.server.use_dbus:
1036
fpr = self.fingerprint(self.peer_certificate(session))
1037
except (TypeError, gnutls.errors.GNUTLSError), error:
1038
logger.warning(u"Bad certificate: %s", error)
1041
logger.debug(u"Fingerprint: %s", fpr)
1287
if approval_required:
1288
client.approvals_pending -= 1
1291
except (gnutls.errors.GNUTLSError), error:
1292
logger.warning("GnuTLS bye failed")
1043
for c in self.server.clients:
1044
if c.fingerprint == fpr:
1048
ipc.write(u"NOTFOUND %s %s\n"
1049
% (fpr, unicode(self.client_address)))
1052
# Have to check if client.still_valid(), since it is
1053
# possible that the client timed out while establishing
1054
# the GnuTLS session.
1055
if not client.still_valid():
1056
ipc.write(u"INVALID %s\n" % client.name)
1059
ipc.write(u"SENDING %s\n" % client.name)
1061
while sent_size < len(client.secret):
1062
sent = session.send(client.secret[sent_size:])
1063
logger.debug(u"Sent: %d, remaining: %d",
1064
sent, len(client.secret)
1065
- (sent_size + sent))
1295
1070
def peer_certificate(session):
1358
class MultiprocessingMixIn(object):
1359
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
1360
def sub_process_main(self, request, address):
1362
self.finish_request(request, address)
1364
self.handle_error(request, address)
1365
self.close_request(request)
1367
def process_request(self, request, address):
1368
"""Start a new process to process the request."""
1369
multiprocessing.Process(target = self.sub_process_main,
1370
args = (request, address)).start()
1372
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
1373
""" adds a pipe to the MixIn """
1133
class ForkingMixInWithPipe(socketserver.ForkingMixIn, object):
1134
"""Like socketserver.ForkingMixIn, but also pass a pipe."""
1374
1135
def process_request(self, request, client_address):
1375
1136
"""Overrides and wraps the original process_request().
1377
1138
This function creates a new pipe in self.pipe
1379
parent_pipe, self.child_pipe = multiprocessing.Pipe()
1381
super(MultiprocessingMixInWithPipe,
1140
self.pipe = os.pipe()
1141
super(ForkingMixInWithPipe,
1382
1142
self).process_request(request, client_address)
1383
self.child_pipe.close()
1384
self.add_pipe(parent_pipe)
1386
def add_pipe(self, parent_pipe):
1143
os.close(self.pipe[1]) # close write end
1144
self.add_pipe(self.pipe[0])
1145
def add_pipe(self, pipe):
1387
1146
"""Dummy function; override as necessary"""
1390
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
1150
class IPv6_TCPServer(ForkingMixInWithPipe,
1391
1151
socketserver.TCPServer, object):
1392
1152
"""IPv6-capable TCP server. Accepts 'None' as address and/or port
1478
1238
return socketserver.TCPServer.server_activate(self)
1479
1239
def enable(self):
1480
1240
self.enabled = True
1481
def add_pipe(self, parent_pipe):
1241
def add_pipe(self, pipe):
1482
1242
# Call "handle_ipc" for both data and EOF events
1483
gobject.io_add_watch(parent_pipe.fileno(),
1484
gobject.IO_IN | gobject.IO_HUP,
1485
functools.partial(self.handle_ipc,
1486
parent_pipe = parent_pipe))
1488
def handle_ipc(self, source, condition, parent_pipe=None,
1489
client_object=None):
1243
gobject.io_add_watch(pipe, gobject.IO_IN | gobject.IO_HUP,
1245
def handle_ipc(self, source, condition, file_objects={}):
1490
1246
condition_names = {
1491
1247
gobject.IO_IN: u"IN", # There is data to read.
1492
1248
gobject.IO_OUT: u"OUT", # Data can be written (without
1501
1257
for cond, name in
1502
1258
condition_names.iteritems()
1503
1259
if cond & condition)
1504
# error or the other end of multiprocessing.Pipe has closed
1505
if condition & (gobject.IO_ERR | condition & gobject.IO_HUP):
1508
# Read a request from the child
1509
request = parent_pipe.recv()
1510
command = request[0]
1512
if command == 'init':
1514
address = request[2]
1516
for c in self.clients:
1517
if c.fingerprint == fpr:
1521
logger.warning(u"Client not found for fingerprint: %s, ad"
1522
u"dress: %s", fpr, address)
1525
mandos_dbus_service.ClientNotFound(fpr, address[0])
1526
parent_pipe.send(False)
1529
gobject.io_add_watch(parent_pipe.fileno(),
1530
gobject.IO_IN | gobject.IO_HUP,
1531
functools.partial(self.handle_ipc,
1532
parent_pipe = parent_pipe,
1533
client_object = client))
1534
parent_pipe.send(True)
1535
# remove the old hook in favor of the new above hook on same fileno
1537
if command == 'funcall':
1538
funcname = request[1]
1542
parent_pipe.send(('data', getattr(client_object, funcname)(*args, **kwargs)))
1544
if command == 'getattr':
1545
attrname = request[1]
1546
if callable(client_object.__getattribute__(attrname)):
1547
parent_pipe.send(('function',))
1549
parent_pipe.send(('data', client_object.__getattribute__(attrname)))
1551
if command == 'setattr':
1552
attrname = request[1]
1554
setattr(client_object, attrname, value)
1260
logger.debug(u"Handling IPC: FD = %d, condition = %s", source,
1263
# Turn the pipe file descriptor into a Python file object
1264
if source not in file_objects:
1265
file_objects[source] = os.fdopen(source, u"r", 1)
1267
# Read a line from the file object
1268
cmdline = file_objects[source].readline()
1269
if not cmdline: # Empty line means end of file
1270
# close the IPC pipe
1271
file_objects[source].close()
1272
del file_objects[source]
1274
# Stop calling this function
1277
logger.debug(u"IPC command: %r", cmdline)
1279
# Parse and act on command
1280
cmd, args = cmdline.rstrip(u"\r\n").split(None, 1)
1282
if cmd == u"NOTFOUND":
1283
logger.warning(u"Client not found for fingerprint: %s",
1287
mandos_dbus_service.ClientNotFound(args)
1288
elif cmd == u"INVALID":
1289
for client in self.clients:
1290
if client.name == args:
1291
logger.warning(u"Client %s is invalid", args)
1297
logger.error(u"Unknown client %s is invalid", args)
1298
elif cmd == u"SENDING":
1299
for client in self.clients:
1300
if client.name == args:
1301
logger.info(u"Sending secret to %s", client.name)
1308
logger.error(u"Sending secret to unknown client %s",
1311
logger.error(u"Unknown IPC command: %r", cmdline)
1313
# Keep calling this function
1759
1515
tcp_server = MandosServer((server_settings[u"address"],
1760
1516
server_settings[u"port"]),
1762
interface=(server_settings[u"interface"]
1518
interface=server_settings[u"interface"],
1764
1519
use_ipv6=use_ipv6,
1765
1520
gnutls_priority=
1766
1521
server_settings[u"priority"],
1767
1522
use_dbus=use_dbus)
1769
pidfilename = u"/var/run/mandos.pid"
1771
pidfile = open(pidfilename, u"w")
1773
logger.error(u"Could not open file %r", pidfilename)
1523
pidfilename = u"/var/run/mandos.pid"
1525
pidfile = open(pidfilename, u"w")
1527
logger.error(u"Could not open file %r", pidfilename)
1776
1530
uid = pwd.getpwnam(u"_mandos").pw_uid
1847
1582
if server_settings["interface"]:
1848
1583
service.interface = (if_nametoindex
1849
1584
(str(server_settings[u"interface"])))
1852
# Close all input and output, do double fork, etc.
1855
global multiprocessing_manager
1856
multiprocessing_manager = multiprocessing.Manager()
1858
1586
client_class = Client
1860
1588
client_class = functools.partial(ClientDBus, bus = bus)
1861
def client_config_items(config, section):
1862
special_settings = {
1863
"approved_by_default":
1864
lambda: config.getboolean(section,
1865
"approved_by_default"),
1867
for name, value in config.items(section):
1869
yield (name, special_settings[name]())
1873
1589
tcp_server.clients.update(set(
1874
1590
client_class(name = section,
1875
config= dict(client_config_items(
1876
client_config, section)))
1591
config= dict(client_config.items(section)))
1877
1592
for section in client_config.sections()))
1878
1593
if not tcp_server.clients:
1879
1594
logger.warning(u"No clients defined")
1597
# Redirect stdin so all checkers get /dev/null
1598
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1599
os.dup2(null, sys.stdin.fileno())
1603
# No console logging
1604
logger.removeHandler(console)
1605
# Close all input and output, do double fork, etc.
1609
with closing(pidfile):
1611
pidfile.write(str(pid) + "\n")
1614
logger.error(u"Could not write to file %r with PID %d",
1617
# "pidfile" was never created
1885
pidfile.write(str(pid) + "\n")
1888
logger.error(u"Could not write to file %r with PID %d",
1891
# "pidfile" was never created
1895
1622
signal.signal(signal.SIGINT, signal.SIG_IGN)
1897
1623
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
1898
1624
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
1904
1630
dbus.service.Object.__init__(self, bus, u"/")
1905
1631
_interface = u"se.bsnet.fukt.Mandos"
1907
@dbus.service.signal(_interface, signature=u"o")
1908
def ClientAdded(self, objpath):
1633
@dbus.service.signal(_interface, signature=u"oa{sv}")
1634
def ClientAdded(self, objpath, properties):
1912
@dbus.service.signal(_interface, signature=u"ss")
1913
def ClientNotFound(self, fingerprint, address):
1638
@dbus.service.signal(_interface, signature=u"s")
1639
def ClientNotFound(self, fingerprint):