11
11
# "AvahiService" class, and some lines in "main".
13
13
# Everything else is
14
# Copyright © 2008-2012 Teddy Hogeborn
15
# Copyright © 2008-2012 Björn Påhlsson
14
# Copyright © 2008-2014 Teddy Hogeborn
15
# Copyright © 2008-2014 Björn Påhlsson
17
17
# This program is free software: you can redistribute it and/or modify
18
18
# it under the terms of the GNU General Public License as published by
88
88
except ImportError:
89
89
SO_BINDTODEVICE = None
91
if sys.version_info.major == 2:
92
95
stored_state_file = "clients.pickle"
94
97
logger = logging.getLogger()
95
syslogger = (logging.handlers.SysLogHandler
96
(facility = logging.handlers.SysLogHandler.LOG_DAEMON,
97
address = str("/dev/log")))
100
101
if_nametoindex = (ctypes.cdll.LoadLibrary
106
107
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
107
108
with contextlib.closing(socket.socket()) as s:
108
109
ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
109
struct.pack(str("16s16x"),
111
interface_index = struct.unpack(str("I"),
110
struct.pack(b"16s16x", interface))
111
interface_index = struct.unpack("I", ifreq[16:20])[0]
113
112
return interface_index
116
115
def initlogger(debug, level=logging.WARNING):
117
116
"""init logger and add loglevel"""
119
syslogger = (logging.handlers.SysLogHandler
121
logging.handlers.SysLogHandler.LOG_DAEMON,
122
address = "/dev/log"))
119
123
syslogger.setFormatter(logging.Formatter
120
124
('Mandos [%(process)d]: %(levelname)s:'
172
176
def password_encode(self, password):
173
177
# Passphrase can not be empty and can not contain newlines or
174
178
# NUL bytes. So we prefix it and hex encode it.
175
return b"mandos" + binascii.hexlify(password)
179
encoded = b"mandos" + binascii.hexlify(password)
180
if len(encoded) > 2048:
181
# GnuPG can't handle long passwords, so encode differently
182
encoded = (b"mandos" + password.replace(b"\\", b"\\\\")
183
.replace(b"\n", b"\\n")
184
.replace(b"\0", b"\\x00"))
177
187
def encrypt(self, data, password):
178
188
passphrase = self.password_encode(password)
215
225
class AvahiError(Exception):
216
226
def __init__(self, value, *args, **kwargs):
217
227
self.value = value
218
super(AvahiError, self).__init__(value, *args, **kwargs)
219
def __unicode__(self):
220
return unicode(repr(self.value))
228
return super(AvahiError, self).__init__(value, *args,
222
231
class AvahiServiceError(AvahiError):
273
282
" after %i retries, exiting.",
274
283
self.rename_count)
275
284
raise AvahiServiceError("Too many renames")
276
self.name = unicode(self.server
277
.GetAlternativeServiceName(self.name))
285
self.name = str(self.server
286
.GetAlternativeServiceName(self.name))
278
287
logger.info("Changing Zeroconf service name to %r ...",
329
338
elif state == avahi.ENTRY_GROUP_FAILURE:
330
339
logger.critical("Avahi: Error in group state changed %s",
332
raise AvahiGroupError("State changed: {0!s}"
341
raise AvahiGroupError("State changed: {!s}"
335
344
def cleanup(self):
386
395
"""Add the new name to the syslog messages"""
387
396
ret = AvahiService.rename(self)
388
397
syslogger.setFormatter(logging.Formatter
389
('Mandos ({0}) [%(process)d]:'
398
('Mandos ({}) [%(process)d]:'
390
399
' %(levelname)s: %(message)s'
391
400
.format(self.name)))
395
def timedelta_to_milliseconds(td):
396
"Convert a datetime.timedelta() to milliseconds"
397
return ((td.days * 24 * 60 * 60 * 1000)
398
+ (td.seconds * 1000)
399
+ (td.microseconds // 1000))
402
404
class Client(object):
403
405
"""A representation of a client host served by this server.
459
461
"enabled": "True",
462
def timeout_milliseconds(self):
463
"Return the 'timeout' attribute in milliseconds"
464
return timedelta_to_milliseconds(self.timeout)
466
def extended_timeout_milliseconds(self):
467
"Return the 'extended_timeout' attribute in milliseconds"
468
return timedelta_to_milliseconds(self.extended_timeout)
470
def interval_milliseconds(self):
471
"Return the 'interval' attribute in milliseconds"
472
return timedelta_to_milliseconds(self.interval)
474
def approval_delay_milliseconds(self):
475
return timedelta_to_milliseconds(self.approval_delay)
478
465
def config_parser(config):
479
466
"""Construct a new dict of client settings of this form:
504
491
"rb") as secfile:
505
492
client["secret"] = secfile.read()
507
raise TypeError("No secret or secfile for section {0}"
494
raise TypeError("No secret or secfile for section {}"
508
495
.format(section))
509
496
client["timeout"] = string_to_delta(section["timeout"])
510
497
client["extended_timeout"] = string_to_delta(
527
514
server_settings = {}
528
515
self.server_settings = server_settings
529
516
# adding all client settings
530
for setting, value in settings.iteritems():
517
for setting, value in settings.items():
531
518
setattr(self, setting, value)
616
603
if self.checker_initiator_tag is not None:
617
604
gobject.source_remove(self.checker_initiator_tag)
618
605
self.checker_initiator_tag = (gobject.timeout_add
619
(self.interval_milliseconds(),
607
.total_seconds() * 1000),
620
608
self.start_checker))
621
609
# Schedule a disable() when 'timeout' has passed
622
610
if self.disable_initiator_tag is not None:
623
611
gobject.source_remove(self.disable_initiator_tag)
624
612
self.disable_initiator_tag = (gobject.timeout_add
625
(self.timeout_milliseconds(),
614
.total_seconds() * 1000),
627
616
# Also start a new checker *right now*.
628
617
self.start_checker()
660
649
self.disable_initiator_tag = None
661
650
if getattr(self, "enabled", False):
662
651
self.disable_initiator_tag = (gobject.timeout_add
663
(timedelta_to_milliseconds
664
(timeout), self.disable))
652
(int(timeout.total_seconds()
653
* 1000), self.disable))
665
654
self.expires = datetime.datetime.utcnow() + timeout
667
656
def need_approval(self):
684
673
# If a checker exists, make sure it is not a zombie
686
675
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
687
except (AttributeError, OSError) as error:
688
if (isinstance(error, OSError)
689
and error.errno != errno.ECHILD):
676
except AttributeError:
678
except OSError as error:
679
if error.errno != errno.ECHILD:
693
683
logger.warning("Checker was a zombie")
697
687
# Start a new checker if needed
698
688
if self.checker is None:
699
689
# Escape attributes for the shell
700
escaped_attrs = dict(
701
(attr, re.escape(unicode(getattr(self, attr))))
703
self.runtime_expansions)
690
escaped_attrs = { attr:
691
re.escape(str(getattr(self, attr)))
692
for attr in self.runtime_expansions }
705
694
command = self.checker_command % escaped_attrs
706
695
except TypeError as error:
787
776
# "Set" method, so we fail early here:
788
777
if byte_arrays and signature != "ay":
789
778
raise ValueError("Byte arrays not supported for non-'ay'"
790
" signature {0!r}".format(signature))
779
" signature {!r}".format(signature))
791
780
def decorator(func):
792
781
func._dbus_is_property = True
793
782
func._dbus_interface = dbus_interface
824
813
"""Decorator to annotate D-Bus methods, signals or properties
816
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true",
817
"org.freedesktop.DBus.Property."
818
"EmitsChangedSignal": "false"})
827
819
@dbus_service_property("org.example.Interface", signature="b",
829
@dbus_annotations({{"org.freedesktop.DBus.Deprecated": "true",
830
"org.freedesktop.DBus.Property."
831
"EmitsChangedSignal": "false"})
832
821
def Property_dbus_property(self):
833
822
return dbus.Boolean(False)
841
830
class DBusPropertyException(dbus.exceptions.DBusException):
842
831
"""A base class for D-Bus property-related exceptions
844
def __unicode__(self):
845
return unicode(str(self))
848
835
class DBusPropertyAccessException(DBusPropertyException):
849
836
"""A property's access permissions disallows an operation.
872
859
If called like _is_dbus_thing("method") it returns a function
873
860
suitable for use as predicate to inspect.getmembers().
875
return lambda obj: getattr(obj, "_dbus_is_{0}".format(thing),
862
return lambda obj: getattr(obj, "_dbus_is_{}".format(thing),
878
865
def _get_all_dbus_things(self, thing):
927
914
# The byte_arrays option is not supported yet on
928
915
# signatures other than "ay".
929
916
if prop._dbus_signature != "ay":
917
raise ValueError("Byte arrays not supported for non-"
918
"'ay' signature {!r}"
919
.format(prop._dbus_signature))
931
920
value = dbus.ByteArray(b''.join(chr(byte)
932
921
for byte in value))
957
946
value.variant_level+1)
958
947
return dbus.Dictionary(properties, signature="sv")
949
@dbus.service.signal(dbus.PROPERTIES_IFACE, signature="sa{sv}as")
950
def PropertiesChanged(self, interface_name, changed_properties,
951
invalidated_properties):
952
"""Standard D-Bus PropertiesChanged() signal, see D-Bus
960
957
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
961
958
out_signature="s",
962
959
path_keyword='object_path',
998
995
"_dbus_annotations",
1000
for name, value in annots.iteritems():
997
for name, value in annots.items():
1001
998
ann_tag = document.createElement(
1003
1000
ann_tag.setAttribute("name", name)
1006
1003
# Add interface annotation tags
1007
1004
for annotation, value in dict(
1008
1005
itertools.chain.from_iterable(
1009
annotations().iteritems()
1006
annotations().items()
1010
1007
for name, annotations in
1011
1008
self._get_all_dbus_things("interface")
1012
1009
if name == if_tag.getAttribute("name")
1014
1011
ann_tag = document.createElement("annotation")
1015
1012
ann_tag.setAttribute("name", annotation)
1016
1013
ann_tag.setAttribute("value", value)
1073
1070
def wrapper(cls):
1074
1071
for orig_interface_name, alt_interface_name in (
1075
alt_interface_names.iteritems()):
1072
alt_interface_names.items()):
1077
1074
interface_names = set()
1078
1075
# Go though all attributes of the class
1195
1192
attribute.func_closure)))
1197
1194
# Deprecate all alternate interfaces
1198
iname="_AlternateDBusNames_interface_annotation{0}"
1195
iname="_AlternateDBusNames_interface_annotation{}"
1199
1196
for interface_name in interface_names:
1200
1197
@dbus_interface_annotations(interface_name)
1201
1198
def func(self):
1210
1207
if interface_names:
1211
1208
# Replace the class with a new subclass of it with
1212
1209
# methods, signals, etc. as created above.
1213
cls = type(b"{0}Alternate".format(cls.__name__),
1210
cls = type(b"{}Alternate".format(cls.__name__),
1229
1226
runtime_expansions = (Client.runtime_expansions
1230
1227
+ ("dbus_object_path",))
1229
_interface = "se.recompile.Mandos.Client"
1232
1231
# dbus.service.Object doesn't use super(), so we can't either.
1234
1233
def __init__(self, bus = None, *args, **kwargs):
1236
1235
Client.__init__(self, *args, **kwargs)
1237
1236
# Only now, when this client is initialized, can it show up on
1239
client_object_name = unicode(self.name).translate(
1238
client_object_name = str(self.name).translate(
1240
1239
{ord("."): ord("_"),
1241
1240
ord("-"): ord("_")})
1242
1241
self.dbus_object_path = (dbus.ObjectPath
1247
1246
def notifychangeproperty(transform_func,
1248
1247
dbus_name, type_func=lambda x: x,
1248
variant_level=1, invalidate_only=False,
1249
_interface=_interface):
1250
1250
""" Modify a variable so that it's a property which announces
1251
1251
its changes to DBus.
1257
1257
to the D-Bus. Default: no transform
1258
1258
variant_level: D-Bus variant level. Default: 1
1260
attrname = "_{0}".format(dbus_name)
1260
attrname = "_{}".format(dbus_name)
1261
1261
def setter(self, value):
1262
1262
if hasattr(self, "dbus_object_path"):
1263
1263
if (not hasattr(self, attrname) or
1264
1264
type_func(getattr(self, attrname, None))
1265
1265
!= type_func(value)):
1266
dbus_value = transform_func(type_func(value),
1269
self.PropertyChanged(dbus.String(dbus_name),
1267
self.PropertiesChanged(_interface,
1272
dbus_value = transform_func(type_func(value),
1275
self.PropertyChanged(dbus.String(dbus_name),
1277
self.PropertiesChanged(_interface,
1279
dbus.String(dbus_name):
1280
dbus_value }), dbus.Array())
1271
1281
setattr(self, attrname, value)
1273
1283
return property(lambda self: getattr(self, attrname), setter)
1293
1303
approval_delay = notifychangeproperty(dbus.UInt64,
1294
1304
"ApprovalDelay",
1296
timedelta_to_milliseconds)
1306
lambda td: td.total_seconds()
1297
1308
approval_duration = notifychangeproperty(
1298
1309
dbus.UInt64, "ApprovalDuration",
1299
type_func = timedelta_to_milliseconds)
1310
type_func = lambda td: td.total_seconds() * 1000)
1300
1311
host = notifychangeproperty(dbus.String, "Host")
1301
1312
timeout = notifychangeproperty(dbus.UInt64, "Timeout",
1303
timedelta_to_milliseconds)
1313
type_func = lambda td:
1314
td.total_seconds() * 1000)
1304
1315
extended_timeout = notifychangeproperty(
1305
1316
dbus.UInt64, "ExtendedTimeout",
1306
type_func = timedelta_to_milliseconds)
1317
type_func = lambda td: td.total_seconds() * 1000)
1307
1318
interval = notifychangeproperty(dbus.UInt64,
1310
timedelta_to_milliseconds)
1321
lambda td: td.total_seconds()
1311
1323
checker_command = notifychangeproperty(dbus.String, "Checker")
1324
secret = notifychangeproperty(dbus.ByteArray, "Secret",
1325
invalidate_only=True)
1313
1327
del notifychangeproperty
1341
1355
*args, **kwargs)
1343
1357
def start_checker(self, *args, **kwargs):
1344
old_checker = self.checker
1345
if self.checker is not None:
1346
old_checker_pid = self.checker.pid
1348
old_checker_pid = None
1358
old_checker_pid = getattr(self.checker, "pid", None)
1349
1359
r = Client.start_checker(self, *args, **kwargs)
1350
1360
# Only if new checker process was started
1351
1361
if (self.checker is not None
1361
1371
def approve(self, value=True):
1362
1372
self.approved = value
1363
gobject.timeout_add(timedelta_to_milliseconds
1364
(self.approval_duration),
1365
self._reset_approved)
1373
gobject.timeout_add(int(self.approval_duration.total_seconds()
1374
* 1000), self._reset_approved)
1366
1375
self.send_changedstate()
1368
1377
## D-Bus methods, signals & properties
1369
_interface = "se.recompile.Mandos.Client"
1373
@dbus_interface_annotations(_interface)
1375
return { "org.freedesktop.DBus.Property.EmitsChangedSignal":
1380
1383
# CheckerCompleted - signal
1392
1395
# PropertyChanged - signal
1396
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1393
1397
@dbus.service.signal(_interface, signature="sv")
1394
1398
def PropertyChanged(self, property, value):
1471
1475
access="readwrite")
1472
1476
def ApprovalDelay_dbus_property(self, value=None):
1473
1477
if value is None: # get
1474
return dbus.UInt64(self.approval_delay_milliseconds())
1478
return dbus.UInt64(self.approval_delay.total_seconds()
1475
1480
self.approval_delay = datetime.timedelta(0, 0, 0, value)
1477
1482
# ApprovalDuration - property
1479
1484
access="readwrite")
1480
1485
def ApprovalDuration_dbus_property(self, value=None):
1481
1486
if value is None: # get
1482
return dbus.UInt64(timedelta_to_milliseconds(
1483
self.approval_duration))
1487
return dbus.UInt64(self.approval_duration.total_seconds()
1484
1489
self.approval_duration = datetime.timedelta(0, 0, 0, value)
1486
1491
# Name - property
1499
1504
def Host_dbus_property(self, value=None):
1500
1505
if value is None: # get
1501
1506
return dbus.String(self.host)
1502
self.host = unicode(value)
1507
self.host = str(value)
1504
1509
# Created - property
1505
1510
@dbus_service_property(_interface, signature="s", access="read")
1552
1557
access="readwrite")
1553
1558
def Timeout_dbus_property(self, value=None):
1554
1559
if value is None: # get
1555
return dbus.UInt64(self.timeout_milliseconds())
1560
return dbus.UInt64(self.timeout.total_seconds() * 1000)
1556
1561
old_timeout = self.timeout
1557
1562
self.timeout = datetime.timedelta(0, 0, 0, value)
1558
1563
# Reschedule disabling
1569
1574
gobject.source_remove(self.disable_initiator_tag)
1570
1575
self.disable_initiator_tag = (
1571
1576
gobject.timeout_add(
1572
timedelta_to_milliseconds(self.expires - now),
1577
int((self.expires - now).total_seconds()
1578
* 1000), self.disable))
1575
1580
# ExtendedTimeout - property
1576
1581
@dbus_service_property(_interface, signature="t",
1577
1582
access="readwrite")
1578
1583
def ExtendedTimeout_dbus_property(self, value=None):
1579
1584
if value is None: # get
1580
return dbus.UInt64(self.extended_timeout_milliseconds())
1585
return dbus.UInt64(self.extended_timeout.total_seconds()
1581
1587
self.extended_timeout = datetime.timedelta(0, 0, 0, value)
1583
1589
# Interval - property
1585
1591
access="readwrite")
1586
1592
def Interval_dbus_property(self, value=None):
1587
1593
if value is None: # get
1588
return dbus.UInt64(self.interval_milliseconds())
1594
return dbus.UInt64(self.interval.total_seconds() * 1000)
1589
1595
self.interval = datetime.timedelta(0, 0, 0, value)
1590
1596
if getattr(self, "checker_initiator_tag", None) is None:
1602
1608
def Checker_dbus_property(self, value=None):
1603
1609
if value is None: # get
1604
1610
return dbus.String(self.checker_command)
1605
self.checker_command = unicode(value)
1611
self.checker_command = str(value)
1607
1613
# CheckerRunning - property
1608
1614
@dbus_service_property(_interface, signature="b",
1624
1630
@dbus_service_property(_interface, signature="ay",
1625
1631
access="write", byte_arrays=True)
1626
1632
def Secret_dbus_property(self, value):
1627
self.secret = str(value)
1633
self.secret = bytes(value)
1664
1670
def handle(self):
1665
1671
with contextlib.closing(self.server.child_pipe) as child_pipe:
1666
1672
logger.info("TCP connection from: %s",
1667
unicode(self.client_address))
1673
str(self.client_address))
1668
1674
logger.debug("Pipe FD: %d",
1669
1675
self.server.child_pipe.fileno())
1696
1702
logger.debug("Protocol version: %r", line)
1698
1704
if int(line.strip().split()[0]) > 1:
1705
raise RuntimeError(line)
1700
1706
except (ValueError, IndexError, RuntimeError) as error:
1701
1707
logger.error("Unknown protocol version: %s", error)
1751
1757
if self.server.use_dbus:
1752
1758
# Emit D-Bus signal
1753
1759
client.NeedApproval(
1754
client.approval_delay_milliseconds(),
1755
client.approved_by_default)
1760
client.approval_delay.total_seconds()
1761
* 1000, client.approved_by_default)
1757
1763
logger.warning("Client %s was not approved",
1764
1770
#wait until timeout or approved
1765
1771
time = datetime.datetime.now()
1766
1772
client.changedstate.acquire()
1767
client.changedstate.wait(
1768
float(timedelta_to_milliseconds(delay)
1773
client.changedstate.wait(delay.total_seconds())
1770
1774
client.changedstate.release()
1771
1775
time2 = datetime.datetime.now()
1772
1776
if (time2 - time) >= delay:
1910
1914
def add_pipe(self, parent_pipe, proc):
1911
1915
"""Dummy function; override as necessary"""
1912
raise NotImplementedError
1916
raise NotImplementedError()
1915
1919
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
1972
1976
self.socket.setsockopt(socket.SOL_SOCKET,
1973
1977
SO_BINDTODEVICE,
1974
str(self.interface + '\0'))
1978
(self.interface + "\0")
1975
1980
except socket.error as error:
1976
1981
if error.errno == errno.EPERM:
1977
1982
logger.error("No permission to bind to"
1991
1996
if self.address_family == socket.AF_INET6:
1992
1997
any_address = "::" # in6addr_any
1994
any_address = socket.INADDR_ANY
1999
any_address = "0.0.0.0" # INADDR_ANY
1995
2000
self.server_address = (any_address,
1996
2001
self.server_address[1])
1997
2002
elif not self.server_address[1]:
2180
2185
token_duration = Token(re.compile(r"P"), None,
2181
2186
frozenset((token_year, token_month,
2182
2187
token_day, token_time,
2184
2189
# Define starting values
2185
2190
value = datetime.timedelta() # Value so far
2186
2191
found_token = None
2187
followers = frozenset(token_duration,) # Following valid tokens
2192
followers = frozenset((token_duration,)) # Following valid tokens
2188
2193
s = duration # String left to parse
2189
2194
# Loop until end token is found
2190
2195
while found_token is not token_end:
2250
2255
elif suffix == "w":
2251
2256
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
2253
raise ValueError("Unknown suffix {0!r}"
2258
raise ValueError("Unknown suffix {!r}"
2254
2259
.format(suffix))
2255
except (ValueError, IndexError) as e:
2260
except IndexError as e:
2256
2261
raise ValueError(*(e.args))
2257
2262
timevalue += delta
2258
2263
return timevalue
2273
2278
# Close all standard open file descriptors
2274
2279
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
2275
2280
if not stat.S_ISCHR(os.fstat(null).st_mode):
2276
raise OSError(errno.ENODEV,
2277
"{0} not a character device"
2281
raise OSError(errno.ENODEV, "{} not a character device"
2278
2282
.format(os.devnull))
2279
2283
os.dup2(null, sys.stdin.fileno())
2280
2284
os.dup2(null, sys.stdout.fileno())
2291
2295
parser = argparse.ArgumentParser()
2292
2296
parser.add_argument("-v", "--version", action="version",
2293
version = "%(prog)s {0}".format(version),
2297
version = "%(prog)s {}".format(version),
2294
2298
help="show version number and exit")
2295
2299
parser.add_argument("-i", "--interface", metavar="IF",
2296
2300
help="Bind to interface IF")
2302
2306
help="Run self-test")
2303
2307
parser.add_argument("--debug", action="store_true",
2304
2308
help="Debug mode; run in foreground and log"
2309
" to terminal", default=None)
2306
2310
parser.add_argument("--debuglevel", metavar="LEVEL",
2307
2311
help="Debug level for stdout output")
2308
2312
parser.add_argument("--priority", help="GnuTLS"
2316
2320
parser.add_argument("--no-dbus", action="store_false",
2317
2321
dest="use_dbus", help="Do not provide D-Bus"
2318
" system bus interface")
2322
" system bus interface", default=None)
2319
2323
parser.add_argument("--no-ipv6", action="store_false",
2320
dest="use_ipv6", help="Do not use IPv6")
2324
dest="use_ipv6", help="Do not use IPv6",
2321
2326
parser.add_argument("--no-restore", action="store_false",
2322
2327
dest="restore", help="Do not restore stored"
2328
" state", default=None)
2324
2329
parser.add_argument("--socket", type=int,
2325
2330
help="Specify a file descriptor to a network"
2326
2331
" socket to use instead of creating one")
2327
2332
parser.add_argument("--statedir", metavar="DIR",
2328
2333
help="Directory to save/restore state in")
2329
2334
parser.add_argument("--foreground", action="store_true",
2330
help="Run in foreground")
2335
help="Run in foreground", default=None)
2336
parser.add_argument("--no-zeroconf", action="store_false",
2337
dest="zeroconf", help="Do not use Zeroconf",
2332
2340
options = parser.parse_args()
2334
2342
if options.check:
2344
fail_count, test_count = doctest.testmod()
2345
sys.exit(os.EX_OK if fail_count == 0 else 1)
2339
2347
# Default values for config file for server-global settings
2340
2348
server_defaults = { "interface": "",
2383
2392
for option in ("interface", "address", "port", "debug",
2384
2393
"priority", "servicename", "configdir",
2385
2394
"use_dbus", "use_ipv6", "debuglevel", "restore",
2386
"statedir", "socket", "foreground"):
2395
"statedir", "socket", "foreground", "zeroconf"):
2387
2396
value = getattr(options, option)
2388
2397
if value is not None:
2389
2398
server_settings[option] = value
2391
2400
# Force all strings to be unicode
2392
2401
for option in server_settings.keys():
2393
if type(server_settings[option]) is str:
2394
server_settings[option] = unicode(server_settings[option])
2402
if isinstance(server_settings[option], bytes):
2403
server_settings[option] = (server_settings[option]
2405
# Force all boolean options to be boolean
2406
for option in ("debug", "use_dbus", "use_ipv6", "restore",
2407
"foreground", "zeroconf"):
2408
server_settings[option] = bool(server_settings[option])
2395
2409
# Debug implies foreground
2396
2410
if server_settings["debug"]:
2397
2411
server_settings["foreground"] = True
2400
2414
##################################################################
2416
if (not server_settings["zeroconf"] and
2417
not (server_settings["port"]
2418
or server_settings["socket"] != "")):
2419
parser.error("Needs port or socket to work without"
2402
2422
# For convenience
2403
2423
debug = server_settings["debug"]
2404
2424
debuglevel = server_settings["debuglevel"]
2407
2427
stored_state_path = os.path.join(server_settings["statedir"],
2408
2428
stored_state_file)
2409
2429
foreground = server_settings["foreground"]
2430
zeroconf = server_settings["zeroconf"]
2412
2433
initlogger(debug, logging.DEBUG)
2420
2441
if server_settings["servicename"] != "Mandos":
2421
2442
syslogger.setFormatter(logging.Formatter
2422
('Mandos ({0}) [%(process)d]:'
2443
('Mandos ({}) [%(process)d]:'
2423
2444
' %(levelname)s: %(message)s'
2424
2445
.format(server_settings
2425
2446
["servicename"])))
2433
2454
global mandos_dbus_service
2434
2455
mandos_dbus_service = None
2458
if server_settings["socket"] != "":
2459
socketfd = server_settings["socket"]
2436
2460
tcp_server = MandosServer((server_settings["address"],
2437
2461
server_settings["port"]),
2442
2466
gnutls_priority=
2443
2467
server_settings["priority"],
2444
2468
use_dbus=use_dbus,
2445
socketfd=(server_settings["socket"]
2447
2470
if not foreground:
2448
pidfilename = "/var/run/mandos.pid"
2471
pidfilename = "/run/mandos.pid"
2472
if not os.path.isdir("/run/."):
2473
pidfilename = "/var/run/mandos.pid"
2451
2476
pidfile = open(pidfilename, "w")
2517
2542
use_dbus = False
2518
2543
server_settings["use_dbus"] = False
2519
2544
tcp_server.use_dbus = False
2520
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
2521
service = AvahiServiceToSyslog(name =
2522
server_settings["servicename"],
2523
servicetype = "_mandos._tcp",
2524
protocol = protocol, bus = bus)
2525
if server_settings["interface"]:
2526
service.interface = (if_nametoindex
2527
(str(server_settings["interface"])))
2546
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
2547
service = AvahiServiceToSyslog(name =
2548
server_settings["servicename"],
2549
servicetype = "_mandos._tcp",
2550
protocol = protocol, bus = bus)
2551
if server_settings["interface"]:
2552
service.interface = (if_nametoindex
2553
(server_settings["interface"]
2529
2556
global multiprocessing_manager
2530
2557
multiprocessing_manager = multiprocessing.Manager()
2554
2581
os.remove(stored_state_path)
2555
2582
except IOError as e:
2556
2583
if e.errno == errno.ENOENT:
2557
logger.warning("Could not load persistent state: {0}"
2584
logger.warning("Could not load persistent state: {}"
2558
2585
.format(os.strerror(e.errno)))
2560
2587
logger.critical("Could not load persistent state:",
2596
2623
if datetime.datetime.utcnow() >= client["expires"]:
2597
2624
if not client["last_checked_ok"]:
2598
2625
logger.warning(
2599
"disabling client {0} - Client never "
2626
"disabling client {} - Client never "
2600
2627
"performed a successful checker"
2601
2628
.format(client_name))
2602
2629
client["enabled"] = False
2603
2630
elif client["last_checker_status"] != 0:
2604
2631
logger.warning(
2605
"disabling client {0} - Client "
2606
"last checker failed with error code {1}"
2632
"disabling client {} - Client last"
2633
" checker failed with error code {}"
2607
2634
.format(client_name,
2608
2635
client["last_checker_status"]))
2609
2636
client["enabled"] = False
2622
2649
except PGPError:
2623
2650
# If decryption fails, we use secret from new settings
2624
logger.debug("Failed to decrypt {0} old secret"
2651
logger.debug("Failed to decrypt {} old secret"
2625
2652
.format(client_name))
2626
2653
client["secret"] = (
2627
2654
client_settings[client_name]["secret"])
2635
2662
clients_data[client_name] = client_settings[client_name]
2637
2664
# Create all client objects
2638
for client_name, client in clients_data.iteritems():
2665
for client_name, client in clients_data.items():
2639
2666
tcp_server.clients[client_name] = client_class(
2640
2667
name = client_name, settings = client,
2641
2668
server_settings = server_settings)
2700
2727
def GetAllClientsWithProperties(self):
2702
2729
return dbus.Dictionary(
2703
((c.dbus_object_path, c.GetAll(""))
2704
for c in tcp_server.clients.itervalues()),
2730
{ c.dbus_object_path: c.GetAll("")
2731
for c in tcp_server.clients.itervalues() },
2705
2732
signature="oa{sv}")
2707
2734
@dbus.service.method(_interface, in_signature="o")
2745
2773
# A list of attributes that can not be pickled
2747
exclude = set(("bus", "changedstate", "secret",
2748
"checker", "server_settings"))
2775
exclude = { "bus", "changedstate", "secret",
2776
"checker", "server_settings" }
2749
2777
for name, typ in (inspect.getmembers
2750
2778
(dbus.service.Object)):
2751
2779
exclude.add(name)
2774
2802
except NameError:
2776
2804
if e.errno in (errno.ENOENT, errno.EACCES, errno.EEXIST):
2777
logger.warning("Could not save persistent state: {0}"
2805
logger.warning("Could not save persistent state: {}"
2778
2806
.format(os.strerror(e.errno)))
2780
2808
logger.warning("Could not save persistent state:",
2784
2812
# Delete all clients, and settings from config
2785
2813
while tcp_server.clients:
2809
2837
tcp_server.server_activate()
2811
2839
# Find out what port we got
2812
service.port = tcp_server.socket.getsockname()[1]
2841
service.port = tcp_server.socket.getsockname()[1]
2814
2843
logger.info("Now listening on address %r, port %d,"
2815
2844
" flowinfo %d, scope_id %d",
2821
2850
#service.interface = tcp_server.socket.getsockname()[3]
2824
# From the Avahi example code
2827
except dbus.exceptions.DBusException as error:
2828
logger.critical("D-Bus Exception", exc_info=error)
2831
# End of Avahi example code
2854
# From the Avahi example code
2857
except dbus.exceptions.DBusException as error:
2858
logger.critical("D-Bus Exception", exc_info=error)
2861
# End of Avahi example code
2833
2863
gobject.io_add_watch(tcp_server.fileno(), gobject.IO_IN,
2834
2864
lambda *args, **kwargs: