157
156
u" after %i retries, exiting.",
158
157
self.rename_count)
159
158
raise AvahiServiceError(u"Too many renames")
160
self.name = unicode(self.server.GetAlternativeServiceName(self.name))
159
self.name = self.server.GetAlternativeServiceName(self.name)
161
160
logger.info(u"Changing Zeroconf service name to %r ...",
163
162
syslogger.setFormatter(logging.Formatter
164
163
(u'Mandos (%s) [%%(process)d]:'
165
164
u' %%(levelname)s: %%(message)s'
170
except dbus.exceptions.DBusException, error:
171
logger.critical(u"DBusException: %s", error)
174
168
self.rename_count += 1
175
169
def remove(self):
176
170
"""Derived from the Avahi example code"""
240
234
"""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
237
name: string; from the config file, used in log messages and
239
fingerprint: string (40 or 32 hexadecimal digits); used to
240
uniquely identify the client
241
secret: bytestring; sent verbatim (over TLS) to client
242
host: string; available for use by the checker command
243
created: datetime.datetime(); (UTC) object creation
244
last_enabled: datetime.datetime(); (UTC)
246
last_checked_ok: datetime.datetime(); (UTC) or None
247
timeout: datetime.timedelta(); How long from last_checked_ok
248
until this client is disabled
249
interval: datetime.timedelta(); How often to start a new checker
250
disable_hook: If set, called by disable() as disable_hook(self)
246
251
checker: subprocess.Popen(); a running checker process used
247
252
to see if the client lives.
248
253
'None' if no process is running.
249
checker_callback_tag: a gobject event source tag, or None
250
checker_command: string; External command which is run to check
251
if client lives. %() expansions are done at
254
checker_initiator_tag: a gobject event source tag, or None
255
disable_initiator_tag: - '' -
256
checker_callback_tag: - '' -
257
checker_command: string; External command which is run to check if
258
client lives. %() expansions are done at
252
259
runtime with vars(self) as dict, so that for
253
260
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
261
current_checker_command: string; current running checker_command
257
disable_hook: If set, called by disable() as disable_hook(self)
258
disable_initiator_tag: a gobject event source tag, or None
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_approval_request: datetime.datetime(); (UTC) or None
265
last_checked_ok: datetime.datetime(); (UTC) or None
266
last_enabled: datetime.datetime(); (UTC)
267
name: string; from the config file, used in log messages and
269
secret: bytestring; sent verbatim (over TLS) to client
270
timeout: datetime.timedelta(); How long from last_checked_ok
271
until this client is disabled
272
runtime_expansions: Allowed attributes for runtime expansion.
275
runtime_expansions = (u"approval_delay", u"approval_duration",
276
u"created", u"enabled", u"fingerprint",
277
u"host", u"interval", u"last_checked_ok",
278
u"last_enabled", u"name", u"timeout")
281
265
def _timedelta_to_milliseconds(td):
282
266
"Convert a datetime.timedelta() to milliseconds"
335
315
self.checker_command = config[u"checker"]
336
316
self.current_checker_command = None
337
317
self.last_connect = None
338
self._approved = None
339
self.approved_by_default = config.get(u"approved_by_default",
341
self.approvals_pending = 0
342
self.approval_delay = string_to_delta(
343
config[u"approval_delay"])
344
self.approval_duration = string_to_delta(
345
config[u"approval_duration"])
346
self.changedstate = multiprocessing_manager.Condition(multiprocessing_manager.Lock())
348
def send_changedstate(self):
349
self.changedstate.acquire()
350
self.changedstate.notify_all()
351
self.changedstate.release()
353
319
def enable(self):
354
320
"""Start this client's checker and timeout hooks"""
355
321
if getattr(self, u"enabled", False):
356
322
# Already enabled
358
self.send_changedstate()
359
324
self.last_enabled = datetime.datetime.utcnow()
360
325
# Schedule a new checker to be started an 'interval' from now,
361
326
# and every interval from then on.
716
675
dbus_object_path: dbus.ObjectPath
717
676
bus: dbus.SystemBus()
720
runtime_expansions = (Client.runtime_expansions
721
+ (u"dbus_object_path",))
723
678
# dbus.service.Object doesn't use super(), so we can't either.
725
680
def __init__(self, bus = None, *args, **kwargs):
726
self._approvals_pending = 0
728
682
Client.__init__(self, *args, **kwargs)
729
683
# Only now, when this client is initialized, can it show up on
731
client_object_name = unicode(self.name).translate(
732
{ord(u"."): ord(u"_"),
733
ord(u"-"): ord(u"_")})
734
685
self.dbus_object_path = (dbus.ObjectPath
735
(u"/clients/" + client_object_name))
687
+ self.name.replace(u".", u"_")))
736
688
DBusObjectWithProperties.__init__(self, self.bus,
737
689
self.dbus_object_path)
739
def _get_approvals_pending(self):
740
return self._approvals_pending
741
def _set_approvals_pending(self, value):
742
old_value = self._approvals_pending
743
self._approvals_pending = value
745
if (hasattr(self, "dbus_object_path")
746
and bval is not bool(old_value)):
747
dbus_bool = dbus.Boolean(bval, variant_level=1)
748
self.PropertyChanged(dbus.String(u"ApprovalPending"),
751
approvals_pending = property(_get_approvals_pending,
752
_set_approvals_pending)
753
del _get_approvals_pending, _set_approvals_pending
756
692
def _datetime_to_dbus(dt, variant_level=0):
815
751
r = Client.checked_ok(self, *args, **kwargs)
816
752
# Emit D-Bus signal
817
753
self.PropertyChanged(
818
dbus.String(u"LastCheckedOK"),
754
dbus.String(u"last_checked_ok"),
819
755
(self._datetime_to_dbus(self.last_checked_ok,
820
756
variant_level=1)))
823
def need_approval(self, *args, **kwargs):
824
r = Client.need_approval(self, *args, **kwargs)
826
self.PropertyChanged(
827
dbus.String(u"LastApprovalRequest"),
828
(self._datetime_to_dbus(self.last_approval_request,
832
759
def start_checker(self, *args, **kwargs):
833
760
old_checker = self.checker
834
761
if self.checker is not None:
851
778
r = Client.stop_checker(self, *args, **kwargs)
852
779
if (old_checker is not None
853
780
and getattr(self, u"checker", None) is None):
854
self.PropertyChanged(dbus.String(u"CheckerRunning"),
781
self.PropertyChanged(dbus.String(u"checker_running"),
855
782
dbus.Boolean(False, variant_level=1))
858
def _reset_approved(self):
859
self._approved = None
862
def approve(self, value=True):
863
self.send_changedstate()
864
self._approved = value
865
gobject.timeout_add(self._timedelta_to_milliseconds
866
(self.approval_duration),
867
self._reset_approved)
870
785
## D-Bus methods, signals & properties
871
786
_interface = u"se.bsnet.fukt.Mandos.Client"
893
808
# GotSecret - signal
894
809
@dbus.service.signal(_interface)
895
810
def GotSecret(self):
897
Is sent after a successful transfer of secret from the Mandos
898
server to mandos-client
902
814
# Rejected - signal
903
@dbus.service.signal(_interface, signature=u"s")
904
def Rejected(self, reason):
815
@dbus.service.signal(_interface)
908
# NeedApproval - signal
909
@dbus.service.signal(_interface, signature=u"tb")
910
def NeedApproval(self, timeout, default):
912
return self.need_approval()
917
@dbus.service.method(_interface, in_signature=u"b")
918
def Approve(self, value):
921
822
# CheckedOK - method
922
823
@dbus.service.method(_interface)
923
824
def CheckedOK(self):
951
# ApprovalPending - property
952
@dbus_service_property(_interface, signature=u"b", access=u"read")
953
def ApprovalPending_dbus_property(self):
954
return dbus.Boolean(bool(self.approvals_pending))
956
# ApprovedByDefault - property
957
@dbus_service_property(_interface, signature=u"b",
959
def ApprovedByDefault_dbus_property(self, value=None):
960
if value is None: # get
961
return dbus.Boolean(self.approved_by_default)
962
self.approved_by_default = bool(value)
964
self.PropertyChanged(dbus.String(u"ApprovedByDefault"),
965
dbus.Boolean(value, variant_level=1))
967
# ApprovalDelay - property
968
@dbus_service_property(_interface, signature=u"t",
970
def ApprovalDelay_dbus_property(self, value=None):
971
if value is None: # get
972
return dbus.UInt64(self.approval_delay_milliseconds())
973
self.approval_delay = datetime.timedelta(0, 0, 0, value)
975
self.PropertyChanged(dbus.String(u"ApprovalDelay"),
976
dbus.UInt64(value, variant_level=1))
978
# ApprovalDuration - property
979
@dbus_service_property(_interface, signature=u"t",
981
def ApprovalDuration_dbus_property(self, value=None):
982
if value is None: # get
983
return dbus.UInt64(self._timedelta_to_milliseconds(
984
self.approval_duration))
985
self.approval_duration = datetime.timedelta(0, 0, 0, value)
987
self.PropertyChanged(dbus.String(u"ApprovalDuration"),
988
dbus.UInt64(value, variant_level=1))
991
853
@dbus_service_property(_interface, signature=u"s", access=u"read")
992
def Name_dbus_property(self):
854
def name_dbus_property(self):
993
855
return dbus.String(self.name)
995
# Fingerprint - property
857
# fingerprint - property
996
858
@dbus_service_property(_interface, signature=u"s", access=u"read")
997
def Fingerprint_dbus_property(self):
859
def fingerprint_dbus_property(self):
998
860
return dbus.String(self.fingerprint)
1001
863
@dbus_service_property(_interface, signature=u"s",
1002
864
access=u"readwrite")
1003
def Host_dbus_property(self, value=None):
865
def host_dbus_property(self, value=None):
1004
866
if value is None: # get
1005
867
return dbus.String(self.host)
1006
868
self.host = value
1007
869
# Emit D-Bus signal
1008
self.PropertyChanged(dbus.String(u"Host"),
870
self.PropertyChanged(dbus.String(u"host"),
1009
871
dbus.String(value, variant_level=1))
1011
# Created - property
1012
874
@dbus_service_property(_interface, signature=u"s", access=u"read")
1013
def Created_dbus_property(self):
875
def created_dbus_property(self):
1014
876
return dbus.String(self._datetime_to_dbus(self.created))
1016
# LastEnabled - property
878
# last_enabled - property
1017
879
@dbus_service_property(_interface, signature=u"s", access=u"read")
1018
def LastEnabled_dbus_property(self):
880
def last_enabled_dbus_property(self):
1019
881
if self.last_enabled is None:
1020
882
return dbus.String(u"")
1021
883
return dbus.String(self._datetime_to_dbus(self.last_enabled))
1023
# Enabled - property
1024
886
@dbus_service_property(_interface, signature=u"b",
1025
887
access=u"readwrite")
1026
def Enabled_dbus_property(self, value=None):
888
def enabled_dbus_property(self, value=None):
1027
889
if value is None: # get
1028
890
return dbus.Boolean(self.enabled)
1043
905
return dbus.String(self._datetime_to_dbus(self
1044
906
.last_checked_ok))
1046
# LastApprovalRequest - property
1047
@dbus_service_property(_interface, signature=u"s", access=u"read")
1048
def LastApprovalRequest_dbus_property(self):
1049
if self.last_approval_request is None:
1050
return dbus.String(u"")
1051
return dbus.String(self.
1052
_datetime_to_dbus(self
1053
.last_approval_request))
1055
# Timeout - property
1056
909
@dbus_service_property(_interface, signature=u"t",
1057
910
access=u"readwrite")
1058
def Timeout_dbus_property(self, value=None):
911
def timeout_dbus_property(self, value=None):
1059
912
if value is None: # get
1060
913
return dbus.UInt64(self.timeout_milliseconds())
1061
914
self.timeout = datetime.timedelta(0, 0, 0, value)
1062
915
# Emit D-Bus signal
1063
self.PropertyChanged(dbus.String(u"Timeout"),
916
self.PropertyChanged(dbus.String(u"timeout"),
1064
917
dbus.UInt64(value, variant_level=1))
1065
918
if getattr(self, u"disable_initiator_tag", None) is None:
1080
933
self.disable_initiator_tag = (gobject.timeout_add
1081
934
(time_to_die, self.disable))
1083
# Interval - property
936
# interval - property
1084
937
@dbus_service_property(_interface, signature=u"t",
1085
938
access=u"readwrite")
1086
def Interval_dbus_property(self, value=None):
939
def interval_dbus_property(self, value=None):
1087
940
if value is None: # get
1088
941
return dbus.UInt64(self.interval_milliseconds())
1089
942
self.interval = datetime.timedelta(0, 0, 0, value)
1090
943
# Emit D-Bus signal
1091
self.PropertyChanged(dbus.String(u"Interval"),
944
self.PropertyChanged(dbus.String(u"interval"),
1092
945
dbus.UInt64(value, variant_level=1))
1093
946
if getattr(self, u"checker_initiator_tag", None) is None:
1098
951
(value, self.start_checker))
1099
952
self.start_checker() # Start one now, too
1101
# Checker - property
1102
955
@dbus_service_property(_interface, signature=u"s",
1103
956
access=u"readwrite")
1104
def Checker_dbus_property(self, value=None):
957
def checker_dbus_property(self, value=None):
1105
958
if value is None: # get
1106
959
return dbus.String(self.checker_command)
1107
960
self.checker_command = value
1108
961
# Emit D-Bus signal
1109
self.PropertyChanged(dbus.String(u"Checker"),
962
self.PropertyChanged(dbus.String(u"checker"),
1110
963
dbus.String(self.checker_command,
1111
964
variant_level=1))
1113
# CheckerRunning - property
966
# checker_running - property
1114
967
@dbus_service_property(_interface, signature=u"b",
1115
968
access=u"readwrite")
1116
def CheckerRunning_dbus_property(self, value=None):
969
def checker_running_dbus_property(self, value=None):
1117
970
if value is None: # get
1118
971
return dbus.Boolean(self.checker is not None)
1122
975
self.stop_checker()
1124
# ObjectPath - property
977
# object_path - property
1125
978
@dbus_service_property(_interface, signature=u"o", access=u"read")
1126
def ObjectPath_dbus_property(self):
979
def object_path_dbus_property(self):
1127
980
return self.dbus_object_path # is already a dbus.ObjectPath
1130
983
@dbus_service_property(_interface, signature=u"ay",
1131
984
access=u"write", byte_arrays=True)
1132
def Secret_dbus_property(self, value):
985
def secret_dbus_property(self, value):
1133
986
self.secret = str(value)
1138
class ProxyClient(object):
1139
def __init__(self, child_pipe, fpr, address):
1140
self._pipe = child_pipe
1141
self._pipe.send(('init', fpr, address))
1142
if not self._pipe.recv():
1145
def __getattribute__(self, name):
1146
if(name == '_pipe'):
1147
return super(ProxyClient, self).__getattribute__(name)
1148
self._pipe.send(('getattr', name))
1149
data = self._pipe.recv()
1150
if data[0] == 'data':
1152
if data[0] == 'function':
1153
def func(*args, **kwargs):
1154
self._pipe.send(('funcall', name, args, kwargs))
1155
return self._pipe.recv()[1]
1158
def __setattr__(self, name, value):
1159
if(name == '_pipe'):
1160
return super(ProxyClient, self).__setattr__(name, value)
1161
self._pipe.send(('setattr', name, value))
1164
991
class ClientHandler(socketserver.BaseRequestHandler, object):
1165
992
"""A class to handle client connections.
1168
995
Note: This will run in its own forked process."""
1170
997
def handle(self):
1171
with contextlib.closing(self.server.child_pipe) as child_pipe:
1172
logger.info(u"TCP connection from: %s",
1173
unicode(self.client_address))
1174
logger.debug(u"Pipe FD: %d",
1175
self.server.child_pipe.fileno())
998
logger.info(u"TCP connection from: %s",
999
unicode(self.client_address))
1000
logger.debug(u"IPC Pipe FD: %d",
1001
self.server.child_pipe[1].fileno())
1002
# Open IPC pipe to parent process
1003
with contextlib.nested(self.server.child_pipe[1],
1004
self.server.parent_pipe[0]
1005
) as (ipc, ipc_return):
1177
1006
session = (gnutls.connection
1178
1007
.ClientSession(self.request,
1179
1008
gnutls.connection
1180
1009
.X509Credentials()))
1182
1011
# Note: gnutls.connection.X509Credentials is really a
1183
1012
# generic GnuTLS certificate credentials object so long as
1184
1013
# no X.509 keys are added to it. Therefore, we can use it
1185
1014
# here despite using OpenPGP certificates.
1187
1016
#priority = u':'.join((u"NONE", u"+VERS-TLS1.1",
1188
1017
# u"+AES-256-CBC", u"+SHA1",
1189
1018
# u"+COMP-NULL", u"+CTYPE-OPENPGP",
1228
1055
logger.debug(u"Fingerprint: %s", fpr)
1231
client = ProxyClient(child_pipe, fpr,
1232
self.client_address)
1236
if client.approval_delay:
1237
delay = client.approval_delay
1238
client.approvals_pending += 1
1239
approval_required = True
1242
if not client.enabled:
1243
logger.warning(u"Client %s is disabled",
1245
if self.server.use_dbus:
1247
client.Rejected("Disabled")
1250
if client._approved or not client.approval_delay:
1251
#We are approved or approval is disabled
1057
for c in self.server.clients:
1058
if c.fingerprint == fpr:
1253
elif client._approved is None:
1254
logger.info(u"Client %s needs approval",
1256
if self.server.use_dbus:
1258
client.NeedApproval(
1259
client.approval_delay_milliseconds(),
1260
client.approved_by_default)
1262
logger.warning(u"Client %s was not approved",
1264
if self.server.use_dbus:
1266
client.Rejected("Denied")
1269
#wait until timeout or approved
1270
#x = float(client._timedelta_to_milliseconds(delay))
1271
time = datetime.datetime.now()
1272
client.changedstate.acquire()
1273
client.changedstate.wait(float(client._timedelta_to_milliseconds(delay) / 1000))
1274
client.changedstate.release()
1275
time2 = datetime.datetime.now()
1276
if (time2 - time) >= delay:
1277
if not client.approved_by_default:
1278
logger.warning("Client %s timed out while"
1279
" waiting for approval",
1281
if self.server.use_dbus:
1283
client.Rejected("Approval timed out")
1288
delay -= time2 - time
1062
ipc.write(u"NOTFOUND %s %s\n"
1063
% (fpr, unicode(self.client_address)))
1066
class ClientProxy(object):
1067
"""Client proxy object. Not for calling methods."""
1068
def __init__(self, client):
1069
self.client = client
1070
def __getattr__(self, name):
1071
if name.startswith("ipc_"):
1073
ipc.write("%s %s\n" % (name[4:].upper(),
1076
if not hasattr(self.client, name):
1077
raise AttributeError
1078
ipc.write(u"GETATTR %s %s\n"
1079
% (name, self.client.fingerprint))
1080
return pickle.load(ipc_return)
1081
clientproxy = ClientProxy(client)
1082
# Have to check if client.enabled, since it is
1083
# possible that the client was disabled since the
1084
# GnuTLS session was established.
1085
if not clientproxy.enabled:
1086
clientproxy.ipc_disabled()
1089
clientproxy.ipc_sending()
1291
1091
while sent_size < len(client.secret):
1293
sent = session.send(client.secret[sent_size:])
1294
except (gnutls.errors.GNUTLSError), error:
1295
logger.warning("gnutls send failed")
1092
sent = session.send(client.secret[sent_size:])
1297
1093
logger.debug(u"Sent: %d, remaining: %d",
1298
1094
sent, len(client.secret)
1299
1095
- (sent_size + sent))
1300
1096
sent_size += sent
1302
logger.info(u"Sending secret to %s", client.name)
1303
# bump the timeout as if seen
1305
if self.server.use_dbus:
1310
if approval_required:
1311
client.approvals_pending -= 1
1314
except (gnutls.errors.GNUTLSError), error:
1315
logger.warning("GnuTLS bye failed")
1318
1101
def peer_certificate(session):
1381
class MultiprocessingMixIn(object):
1382
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
1383
def sub_process_main(self, request, address):
1385
self.finish_request(request, address)
1387
self.handle_error(request, address)
1388
self.close_request(request)
1390
def process_request(self, request, address):
1391
"""Start a new process to process the request."""
1392
multiprocessing.Process(target = self.sub_process_main,
1393
args = (request, address)).start()
1395
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
1396
""" adds a pipe to the MixIn """
1164
class ForkingMixInWithPipes(socketserver.ForkingMixIn, object):
1165
"""Like socketserver.ForkingMixIn, but also pass a pipe pair."""
1397
1166
def process_request(self, request, client_address):
1398
1167
"""Overrides and wraps the original process_request().
1400
1169
This function creates a new pipe in self.pipe
1402
parent_pipe, self.child_pipe = multiprocessing.Pipe()
1404
super(MultiprocessingMixInWithPipe,
1171
# Child writes to child_pipe
1172
self.child_pipe = map(os.fdopen, os.pipe(), u"rw", (1, 0))
1173
# Parent writes to parent_pipe
1174
self.parent_pipe = map(os.fdopen, os.pipe(), u"rw", (1, 0))
1175
super(ForkingMixInWithPipes,
1405
1176
self).process_request(request, client_address)
1406
self.child_pipe.close()
1407
self.add_pipe(parent_pipe)
1409
def add_pipe(self, parent_pipe):
1177
# Close unused ends for parent
1178
self.parent_pipe[0].close() # close read end
1179
self.child_pipe[1].close() # close write end
1180
self.add_pipe_fds(self.child_pipe[0], self.parent_pipe[1])
1181
def add_pipe_fds(self, child_pipe_fd, parent_pipe_fd):
1410
1182
"""Dummy function; override as necessary"""
1413
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
1183
child_pipe_fd.close()
1184
parent_pipe_fd.close()
1187
class IPv6_TCPServer(ForkingMixInWithPipes,
1414
1188
socketserver.TCPServer, object):
1415
1189
"""IPv6-capable TCP server. Accepts 'None' as address and/or port
1501
1275
return socketserver.TCPServer.server_activate(self)
1502
1276
def enable(self):
1503
1277
self.enabled = True
1504
def add_pipe(self, parent_pipe):
1278
def add_pipe_fds(self, child_pipe_fd, parent_pipe_fd):
1505
1279
# Call "handle_ipc" for both data and EOF events
1506
gobject.io_add_watch(parent_pipe.fileno(),
1280
gobject.io_add_watch(child_pipe_fd.fileno(),
1507
1281
gobject.IO_IN | gobject.IO_HUP,
1508
1282
functools.partial(self.handle_ipc,
1509
parent_pipe = parent_pipe))
1511
def handle_ipc(self, source, condition, parent_pipe=None,
1512
client_object=None):
1283
reply = parent_pipe_fd,
1284
sender= child_pipe_fd))
1285
def handle_ipc(self, source, condition, reply=None, sender=None):
1513
1286
condition_names = {
1514
1287
gobject.IO_IN: u"IN", # There is data to read.
1515
1288
gobject.IO_OUT: u"OUT", # Data can be written (without
1524
1297
for cond, name in
1525
1298
condition_names.iteritems()
1526
1299
if cond & condition)
1527
# error or the other end of multiprocessing.Pipe has closed
1528
if condition & (gobject.IO_ERR | condition & gobject.IO_HUP):
1531
# Read a request from the child
1532
request = parent_pipe.recv()
1533
command = request[0]
1535
if command == 'init':
1537
address = request[2]
1539
for c in self.clients:
1540
if c.fingerprint == fpr:
1544
logger.warning(u"Client not found for fingerprint: %s, ad"
1545
u"dress: %s", fpr, address)
1548
mandos_dbus_service.ClientNotFound(fpr, address[0])
1549
parent_pipe.send(False)
1552
gobject.io_add_watch(parent_pipe.fileno(),
1553
gobject.IO_IN | gobject.IO_HUP,
1554
functools.partial(self.handle_ipc,
1555
parent_pipe = parent_pipe,
1556
client_object = client))
1557
parent_pipe.send(True)
1558
# remove the old hook in favor of the new above hook on same fileno
1560
if command == 'funcall':
1561
funcname = request[1]
1565
parent_pipe.send(('data', getattr(client_object, funcname)(*args, **kwargs)))
1567
if command == 'getattr':
1568
attrname = request[1]
1569
if callable(client_object.__getattribute__(attrname)):
1570
parent_pipe.send(('function',))
1572
parent_pipe.send(('data', client_object.__getattribute__(attrname)))
1574
if command == 'setattr':
1575
attrname = request[1]
1577
setattr(client_object, attrname, value)
1300
logger.debug(u"Handling IPC: FD = %d, condition = %s", source,
1303
# Read a line from the file object
1304
cmdline = sender.readline()
1305
if not cmdline: # Empty line means end of file
1306
# close the IPC pipes
1310
# Stop calling this function
1313
logger.debug(u"IPC command: %r", cmdline)
1315
# Parse and act on command
1316
cmd, args = cmdline.rstrip(u"\r\n").split(None, 1)
1318
if cmd == u"NOTFOUND":
1319
fpr, address = args.split(None, 1)
1320
logger.warning(u"Client not found for fingerprint: %s, ad"
1321
u"dress: %s", fpr, address)
1324
mandos_dbus_service.ClientNotFound(fpr, address)
1325
elif cmd == u"DISABLED":
1326
for client in self.clients:
1327
if client.name == args:
1328
logger.warning(u"Client %s is disabled", args)
1334
logger.error(u"Unknown client %s is disabled", args)
1335
elif cmd == u"SENDING":
1336
for client in self.clients:
1337
if client.name == args:
1338
logger.info(u"Sending secret to %s", client.name)
1345
logger.error(u"Sending secret to unknown client %s",
1347
elif cmd == u"GETATTR":
1348
attr_name, fpr = args.split(None, 1)
1349
for client in self.clients:
1350
if client.fingerprint == fpr:
1351
attr_value = getattr(client, attr_name, None)
1352
logger.debug("IPC reply: %r", attr_value)
1353
pickle.dump(attr_value, reply)
1356
logger.error(u"Client %s on address %s requesting "
1357
u"attribute %s not found", fpr, address,
1359
pickle.dump(None, reply)
1361
logger.error(u"Unknown IPC command: %r", cmdline)
1363
# Keep calling this function
1870
1633
if server_settings["interface"]:
1871
1634
service.interface = (if_nametoindex
1872
1635
(str(server_settings[u"interface"])))
1875
# Close all input and output, do double fork, etc.
1878
global multiprocessing_manager
1879
multiprocessing_manager = multiprocessing.Manager()
1881
1637
client_class = Client
1883
1639
client_class = functools.partial(ClientDBus, bus = bus)
1884
def client_config_items(config, section):
1885
special_settings = {
1886
"approved_by_default":
1887
lambda: config.getboolean(section,
1888
"approved_by_default"),
1890
for name, value in config.items(section):
1892
yield (name, special_settings[name]())
1896
1640
tcp_server.clients.update(set(
1897
1641
client_class(name = section,
1898
config= dict(client_config_items(
1899
client_config, section)))
1642
config= dict(client_config.items(section)))
1900
1643
for section in client_config.sections()))
1901
1644
if not tcp_server.clients:
1902
1645
logger.warning(u"No clients defined")
1648
# Redirect stdin so all checkers get /dev/null
1649
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1650
os.dup2(null, sys.stdin.fileno())
1654
# No console logging
1655
logger.removeHandler(console)
1656
# Close all input and output, do double fork, etc.
1662
pidfile.write(str(pid) + "\n")
1665
logger.error(u"Could not write to file %r with PID %d",
1668
# "pidfile" was never created
1908
pidfile.write(str(pid) + "\n")
1911
logger.error(u"Could not write to file %r with PID %d",
1914
# "pidfile" was never created
1918
1673
signal.signal(signal.SIGINT, signal.SIG_IGN)
1920
1674
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
1921
1675
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())