87
90
import xml.dom.minidom
93
if sys.version_info.major == 2:
98
# Add collections.abc.Callable if it does not exist
100
collections.abc.Callable
101
except AttributeError:
103
Callable = collections.Callable
104
collections.abc = abc
107
# Add shlex.quote if it does not exist
110
except AttributeError:
111
shlex.quote = re.escape
113
# Add os.set_inheritable if it does not exist
116
except AttributeError:
117
def set_inheritable(fd, inheritable):
118
flags = fcntl.fcntl(fd, fcntl.F_GETFD)
119
if inheritable and ((flags & fcntl.FD_CLOEXEC) != 0):
120
fcntl.fcntl(fd, fcntl.F_SETFL, flags & ~fcntl.FD_CLOEXEC)
121
elif (not inheritable) and ((flags & fcntl.FD_CLOEXEC) == 0):
122
fcntl.fcntl(fd, fcntl.F_SETFL, flags | fcntl.FD_CLOEXEC)
123
os.set_inheritable = set_inheritable
126
# Show warnings by default
127
if not sys.warnoptions:
129
warnings.simplefilter("default")
90
131
# Try to find the value of SO_BINDTODEVICE:
92
133
# This is where SO_BINDTODEVICE is in Python 3.3 (or 3.4?) and
496
536
class AvahiServiceToSyslog(AvahiService):
497
537
def rename(self, *args, **kwargs):
498
538
"""Add the new name to the syslog messages"""
499
ret = super(AvahiServiceToSyslog, self).rename(*args, **kwargs)
539
ret = super(AvahiServiceToSyslog, self).rename(*args,
500
541
syslogger.setFormatter(logging.Formatter(
501
'Mandos ({}) [%(process)d]: %(levelname)s: %(message)s'
542
"Mandos ({}) [%(process)d]: %(levelname)s: %(message)s"
502
543
.format(self.name)))
506
547
# Pretend that we have a GnuTLS module
507
class GnuTLS(object):
508
"""This isn't so much a class as it is a module-like namespace.
509
It is instantiated once, and simulates having a GnuTLS module."""
549
"""This isn't so much a class as it is a module-like namespace."""
511
551
library = ctypes.util.find_library("gnutls")
512
552
if library is None:
513
553
library = ctypes.util.find_library("gnutls-deb0")
514
554
_library = ctypes.cdll.LoadLibrary(library)
516
_need_version = b"3.3.0"
517
_tls_rawpk_version = b"3.6.6"
520
# Need to use "self" here, since this method is called before
521
# the assignment to the "gnutls" global variable happens.
522
if self.check_version(self._need_version) is None:
523
raise self.Error("Needs GnuTLS {} or later"
524
.format(self._need_version))
526
557
# Unless otherwise indicated, the constants and types below are
527
558
# all from the gnutls/gnutls.h C header file.
571
602
class Error(Exception):
572
# We need to use the class name "GnuTLS" here, since this
573
# exception might be raised from within GnuTLS.__init__,
574
# which is called before the assignment to the "gnutls"
575
# global variable has happened.
576
603
def __init__(self, message=None, code=None, args=()):
577
604
# Default usage is by a message string, but if a return
578
605
# code is passed, convert it to a string with
579
606
# gnutls.strerror()
581
608
if message is None and code is not None:
582
message = GnuTLS.strerror(code)
583
return super(GnuTLS.Error, self).__init__(
609
message = gnutls.strerror(code).decode(
610
"utf-8", errors="replace")
611
return super(gnutls.Error, self).__init__(
586
614
class CertificateSecurityError(Error):
618
def __init__(self, cls):
621
def from_param(self, obj):
622
if not isinstance(obj, self.cls):
623
raise TypeError("Not of type {}: {!r}"
624
.format(self.cls.__name__, obj))
625
return ctypes.byref(obj.from_param(obj))
627
class CastToVoidPointer:
628
def __init__(self, cls):
631
def from_param(self, obj):
632
if not isinstance(obj, self.cls):
633
raise TypeError("Not of type {}: {!r}"
634
.format(self.cls.__name__, obj))
635
return ctypes.cast(obj.from_param(obj), ctypes.c_void_p)
637
class With_from_param:
639
def from_param(cls, obj):
640
return obj._as_parameter_
590
class Credentials(object):
643
class Credentials(With_from_param):
591
644
def __init__(self):
592
self._c_object = gnutls.certificate_credentials_t()
593
gnutls.certificate_allocate_credentials(
594
ctypes.byref(self._c_object))
645
self._as_parameter_ = gnutls.certificate_credentials_t()
646
gnutls.certificate_allocate_credentials(self)
595
647
self.type = gnutls.CRD_CERTIFICATE
597
649
def __del__(self):
598
gnutls.certificate_free_credentials(self._c_object)
650
gnutls.certificate_free_credentials(self)
600
class ClientSession(object):
652
class ClientSession(With_from_param):
601
653
def __init__(self, socket, credentials=None):
602
self._c_object = gnutls.session_t()
654
self._as_parameter_ = gnutls.session_t()
603
655
gnutls_flags = gnutls.CLIENT
604
if gnutls.check_version("3.5.6"):
656
if gnutls.check_version(b"3.5.6"):
605
657
gnutls_flags |= gnutls.NO_TICKETS
606
658
if gnutls.has_rawpk:
607
659
gnutls_flags |= gnutls.ENABLE_RAWPK
608
gnutls.init(ctypes.byref(self._c_object), gnutls_flags)
660
gnutls.init(self, gnutls_flags)
610
gnutls.set_default_priority(self._c_object)
611
gnutls.transport_set_ptr(self._c_object, socket.fileno())
612
gnutls.handshake_set_private_extensions(self._c_object,
662
gnutls.set_default_priority(self)
663
gnutls.transport_set_ptr(self, socket.fileno())
664
gnutls.handshake_set_private_extensions(self, True)
614
665
self.socket = socket
615
666
if credentials is None:
616
667
credentials = gnutls.Credentials()
617
gnutls.credentials_set(self._c_object, credentials.type,
618
ctypes.cast(credentials._c_object,
668
gnutls.credentials_set(self, credentials.type,
620
670
self.credentials = credentials
622
672
def __del__(self):
623
gnutls.deinit(self._c_object)
625
675
def handshake(self):
626
return gnutls.handshake(self._c_object)
676
return gnutls.handshake(self)
628
678
def send(self, data):
629
679
data = bytes(data)
630
680
data_len = len(data)
631
681
while data_len > 0:
632
data_len -= gnutls.record_send(self._c_object,
682
data_len -= gnutls.record_send(self, data[-data_len:],
637
return gnutls.bye(self._c_object, gnutls.SHUT_RDWR)
686
return gnutls.bye(self, gnutls.SHUT_RDWR)
639
688
# Error handling functions
640
689
def _error_code(result):
641
690
"""A function to raise exceptions on errors, suitable
642
for the 'restype' attribute on ctypes functions"""
691
for the "restype" attribute on ctypes functions"""
692
if result >= gnutls.E_SUCCESS:
645
694
if result == gnutls.E_NO_CERTIFICATE_FOUND:
646
695
raise gnutls.CertificateSecurityError(code=result)
647
696
raise gnutls.Error(code=result)
649
def _retry_on_error(result, func, arguments):
698
def _retry_on_error(result, func, arguments,
699
_error_code=_error_code):
650
700
"""A function to retry on some errors, suitable
651
for the 'errcheck' attribute on ctypes functions"""
701
for the "errcheck" attribute on ctypes functions"""
702
while result < gnutls.E_SUCCESS:
653
703
if result not in (gnutls.E_INTERRUPTED, gnutls.E_AGAIN):
654
704
return _error_code(result)
655
705
result = func(*arguments)
662
712
priority_set_direct = _library.gnutls_priority_set_direct
663
priority_set_direct.argtypes = [session_t, ctypes.c_char_p,
713
priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,
664
714
ctypes.POINTER(ctypes.c_char_p)]
665
715
priority_set_direct.restype = _error_code
667
717
init = _library.gnutls_init
668
init.argtypes = [ctypes.POINTER(session_t), ctypes.c_int]
718
init.argtypes = [PointerTo(ClientSession), ctypes.c_int]
669
719
init.restype = _error_code
671
721
set_default_priority = _library.gnutls_set_default_priority
672
set_default_priority.argtypes = [session_t]
722
set_default_priority.argtypes = [ClientSession]
673
723
set_default_priority.restype = _error_code
675
725
record_send = _library.gnutls_record_send
676
record_send.argtypes = [session_t, ctypes.c_void_p,
726
record_send.argtypes = [ClientSession, ctypes.c_void_p,
678
728
record_send.restype = ctypes.c_ssize_t
679
729
record_send.errcheck = _retry_on_error
681
731
certificate_allocate_credentials = (
682
732
_library.gnutls_certificate_allocate_credentials)
683
733
certificate_allocate_credentials.argtypes = [
684
ctypes.POINTER(certificate_credentials_t)]
734
PointerTo(Credentials)]
685
735
certificate_allocate_credentials.restype = _error_code
687
737
certificate_free_credentials = (
688
738
_library.gnutls_certificate_free_credentials)
689
certificate_free_credentials.argtypes = [
690
certificate_credentials_t]
739
certificate_free_credentials.argtypes = [Credentials]
691
740
certificate_free_credentials.restype = None
693
742
handshake_set_private_extensions = (
694
743
_library.gnutls_handshake_set_private_extensions)
695
handshake_set_private_extensions.argtypes = [session_t,
744
handshake_set_private_extensions.argtypes = [ClientSession,
697
746
handshake_set_private_extensions.restype = None
699
748
credentials_set = _library.gnutls_credentials_set
700
credentials_set.argtypes = [session_t, credentials_type_t,
749
credentials_set.argtypes = [ClientSession, credentials_type_t,
750
CastToVoidPointer(Credentials)]
702
751
credentials_set.restype = _error_code
704
753
strerror = _library.gnutls_strerror
723
772
global_set_log_function.restype = None
725
774
deinit = _library.gnutls_deinit
726
deinit.argtypes = [session_t]
775
deinit.argtypes = [ClientSession]
727
776
deinit.restype = None
729
778
handshake = _library.gnutls_handshake
730
handshake.argtypes = [session_t]
731
handshake.restype = _error_code
779
handshake.argtypes = [ClientSession]
780
handshake.restype = ctypes.c_int
732
781
handshake.errcheck = _retry_on_error
734
783
transport_set_ptr = _library.gnutls_transport_set_ptr
735
transport_set_ptr.argtypes = [session_t, transport_ptr_t]
784
transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]
736
785
transport_set_ptr.restype = None
738
787
bye = _library.gnutls_bye
739
bye.argtypes = [session_t, close_request_t]
740
bye.restype = _error_code
788
bye.argtypes = [ClientSession, close_request_t]
789
bye.restype = ctypes.c_int
741
790
bye.errcheck = _retry_on_error
743
792
check_version = _library.gnutls_check_version
744
793
check_version.argtypes = [ctypes.c_char_p]
745
794
check_version.restype = ctypes.c_char_p
796
_need_version = b"3.3.0"
797
if check_version(_need_version) is None:
798
raise self.Error("Needs GnuTLS {} or later"
799
.format(_need_version))
801
_tls_rawpk_version = b"3.6.6"
747
802
has_rawpk = bool(check_version(_tls_rawpk_version))
1028
1092
def __del__(self):
1031
def init_checker(self):
1032
# Schedule a new checker to be started an 'interval' from now,
1033
# and every interval from then on.
1095
def init_checker(self, randomize_start=False):
1096
# Schedule a new checker to be started a randomly selected
1097
# time (a fraction of 'interval') from now. This spreads out
1098
# the startup of checkers over time when the server is
1034
1100
if self.checker_initiator_tag is not None:
1035
1101
GLib.source_remove(self.checker_initiator_tag)
1102
interval_milliseconds = int(self.interval.total_seconds()
1105
delay_milliseconds = random.randrange(
1106
interval_milliseconds + 1)
1108
delay_milliseconds = interval_milliseconds
1036
1109
self.checker_initiator_tag = GLib.timeout_add(
1037
int(self.interval.total_seconds() * 1000),
1039
# Schedule a disable() when 'timeout' has passed
1110
delay_milliseconds, self.start_checker, randomize_start)
1111
delay = datetime.timedelta(0, 0, 0, delay_milliseconds)
1112
# A checker might take up to an 'interval' of time, so we can
1113
# expire at the soonest one interval after a checker was
1114
# started. Since the initial checker is delayed, the expire
1115
# time might have to be extended.
1116
now = datetime.datetime.utcnow()
1117
self.expires = now + delay + self.interval
1118
# Schedule a disable() at expire time
1040
1119
if self.disable_initiator_tag is not None:
1041
1120
GLib.source_remove(self.disable_initiator_tag)
1042
1121
self.disable_initiator_tag = GLib.timeout_add(
1043
int(self.timeout.total_seconds() * 1000), self.disable)
1044
# Also start a new checker *right now*.
1045
self.start_checker()
1122
int((self.expires - now).total_seconds() * 1000),
1047
1125
def checker_callback(self, source, condition, connection,
1049
1127
"""The checker has completed, so take appropriate actions."""
1050
self.checker_callback_tag = None
1052
1128
# Read return code from connection (see call_pipe)
1053
1129
returncode = connection.recv()
1054
1130
connection.close()
1131
if self.checker is not None:
1133
self.checker_callback_tag = None
1056
1136
if returncode >= 0:
1057
1137
self.last_checker_status = returncode
1058
1138
self.last_checker_signal = None
1059
1139
if self.last_checker_status == 0:
1060
logger.info("Checker for %(name)s succeeded",
1140
log.info("Checker for %(name)s succeeded", vars(self))
1062
1141
self.checked_ok()
1064
logger.info("Checker for %(name)s failed", vars(self))
1143
log.info("Checker for %(name)s failed", vars(self))
1066
1145
self.last_checker_status = -1
1067
1146
self.last_checker_signal = -returncode
1068
logger.warning("Checker for %(name)s crashed?",
1147
log.warning("Checker for %(name)s crashed?", vars(self))
1072
1150
def checked_ok(self):
1108
1186
if self.checker is not None and not self.checker.is_alive():
1109
logger.warning("Checker was not alive; joining")
1187
log.warning("Checker was not alive; joining")
1110
1188
self.checker.join()
1111
1189
self.checker = None
1112
1190
# Start a new checker if needed
1113
1191
if self.checker is None:
1114
1192
# Escape attributes for the shell
1115
1193
escaped_attrs = {
1116
attr: re.escape(str(getattr(self, attr)))
1194
attr: shlex.quote(str(getattr(self, attr)))
1117
1195
for attr in self.runtime_expansions}
1119
1197
command = self.checker_command % escaped_attrs
1120
1198
except TypeError as error:
1121
logger.error('Could not format string "%s"',
1122
self.checker_command,
1199
log.error('Could not format string "%s"',
1200
self.checker_command, exc_info=error)
1124
1201
return True # Try again later
1125
1202
self.current_checker_command = command
1126
logger.info("Starting checker %r for %s", command,
1203
log.info("Starting checker %r for %s", command, self.name)
1128
1204
# We don't need to redirect stdout and stderr, since
1129
1205
# in normal mode, that is already done by daemon(),
1130
1206
# and in debug mode we don't want to. (Stdin is
1146
1222
kwargs=popen_args)
1147
1223
self.checker.start()
1148
1224
self.checker_callback_tag = GLib.io_add_watch(
1149
pipe[0].fileno(), GLib.IO_IN,
1225
GLib.IOChannel.unix_new(pipe[0].fileno()),
1226
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
1150
1227
self.checker_callback, pipe[0], command)
1228
if start_was_randomized:
1229
# We were started after a random delay; Schedule a new
1230
# checker to be started an 'interval' from now, and every
1231
# interval from then on.
1232
now = datetime.datetime.utcnow()
1233
self.checker_initiator_tag = GLib.timeout_add(
1234
int(self.interval.total_seconds() * 1000),
1236
self.expires = max(self.expires, now + self.interval)
1237
# Don't start a new checker again after same random delay
1151
1239
# Re-run this periodically if run by GLib.timeout_add
2222
class ProxyClient(object):
2223
2310
def __init__(self, child_pipe, key_id, fpr, address):
2224
2311
self._pipe = child_pipe
2225
self._pipe.send(('init', key_id, fpr, address))
2312
self._pipe.send(("init", key_id, fpr, address))
2226
2313
if not self._pipe.recv():
2227
2314
raise KeyError(key_id or fpr)
2229
2316
def __getattribute__(self, name):
2231
2318
return super(ProxyClient, self).__getattribute__(name)
2232
self._pipe.send(('getattr', name))
2319
self._pipe.send(("getattr", name))
2233
2320
data = self._pipe.recv()
2234
if data[0] == 'data':
2321
if data[0] == "data":
2236
if data[0] == 'function':
2323
if data[0] == "function":
2238
2325
def func(*args, **kwargs):
2239
self._pipe.send(('funcall', name, args, kwargs))
2326
self._pipe.send(("funcall", name, args, kwargs))
2240
2327
return self._pipe.recv()[1]
2244
2331
def __setattr__(self, name, value):
2246
2333
return super(ProxyClient, self).__setattr__(name, value)
2247
self._pipe.send(('setattr', name, value))
2334
self._pipe.send(("setattr", name, value))
2250
2337
class ClientHandler(socketserver.BaseRequestHandler, object):
2256
2343
def handle(self):
2257
2344
with contextlib.closing(self.server.child_pipe) as child_pipe:
2258
logger.info("TCP connection from: %s",
2259
str(self.client_address))
2260
logger.debug("Pipe FD: %d",
2261
self.server.child_pipe.fileno())
2345
log.info("TCP connection from: %s",
2346
str(self.client_address))
2347
log.debug("Pipe FD: %d", self.server.child_pipe.fileno())
2263
2349
session = gnutls.ClientSession(self.request)
2265
# priority = ':'.join(("NONE", "+VERS-TLS1.1",
2351
# priority = ":".join(("NONE", "+VERS-TLS1.1",
2266
2352
# "+AES-256-CBC", "+SHA1",
2267
2353
# "+COMP-NULL", "+CTYPE-OPENPGP",
2270
2356
priority = self.server.gnutls_priority
2271
2357
if priority is None:
2272
2358
priority = "NORMAL"
2273
gnutls.priority_set_direct(session._c_object,
2274
priority.encode("utf-8"),
2359
gnutls.priority_set_direct(session,
2360
priority.encode("utf-8"), None)
2277
2362
# Start communication using the Mandos protocol
2278
2363
# Get protocol number
2279
2364
line = self.request.makefile().readline()
2280
logger.debug("Protocol version: %r", line)
2365
log.debug("Protocol version: %r", line)
2282
2367
if int(line.strip().split()[0]) > 1:
2283
2368
raise RuntimeError(line)
2284
2369
except (ValueError, IndexError, RuntimeError) as error:
2285
logger.error("Unknown protocol version: %s", error)
2370
log.error("Unknown protocol version: %s", error)
2288
2373
# Start GnuTLS connection
2290
2375
session.handshake()
2291
2376
except gnutls.Error as error:
2292
logger.warning("Handshake failed: %s", error)
2377
log.warning("Handshake failed: %s", error)
2293
2378
# Do not run session.bye() here: the session is not
2294
2379
# established. Just abandon the request.
2296
logger.debug("Handshake succeeded")
2381
log.debug("Handshake succeeded")
2298
2383
approval_required = False
2300
2385
if gnutls.has_rawpk:
2303
2388
key_id = self.key_id(
2304
2389
self.peer_certificate(session))
2305
2390
except (TypeError, gnutls.Error) as error:
2306
logger.warning("Bad certificate: %s", error)
2391
log.warning("Bad certificate: %s", error)
2308
logger.debug("Key ID: %s", key_id)
2393
log.debug("Key ID: %s",
2394
key_id.decode("utf-8",
2313
2400
fpr = self.fingerprint(
2314
2401
self.peer_certificate(session))
2315
2402
except (TypeError, gnutls.Error) as error:
2316
logger.warning("Bad certificate: %s", error)
2403
log.warning("Bad certificate: %s", error)
2318
logger.debug("Fingerprint: %s", fpr)
2405
log.debug("Fingerprint: %s", fpr)
2321
2408
client = ProxyClient(child_pipe, key_id, fpr,
2398
2483
except gnutls.Error as error:
2399
logger.warning("GnuTLS bye failed",
2484
log.warning("GnuTLS bye failed", exc_info=error)
2403
2487
def peer_certificate(session):
2404
2488
"Return the peer's certificate as a bytestring"
2406
cert_type = gnutls.certificate_type_get2(session._c_object,
2490
cert_type = gnutls.certificate_type_get2(
2491
session, gnutls.CTYPE_PEERS)
2408
2492
except AttributeError:
2409
cert_type = gnutls.certificate_type_get(session._c_object)
2493
cert_type = gnutls.certificate_type_get(session)
2410
2494
if gnutls.has_rawpk:
2411
2495
valid_cert_types = frozenset((gnutls.CRT_RAWPK,))
2413
2497
valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))
2414
2498
# If not a valid certificate type...
2415
2499
if cert_type not in valid_cert_types:
2416
logger.info("Cert type %r not in %r", cert_type,
2500
log.info("Cert type %r not in %r", cert_type,
2418
2502
# ...return invalid data
2420
2504
list_size = ctypes.c_uint(1)
2421
2505
cert_list = (gnutls.certificate_get_peers
2422
(session._c_object, ctypes.byref(list_size)))
2506
(session, ctypes.byref(list_size)))
2423
2507
if not bool(cert_list) and list_size.value != 0:
2424
2508
raise gnutls.Error("error getting peer certificate")
2425
2509
if list_size.value == 0:
2603
2688
(self.interface + "\0").encode("utf-8"))
2604
2689
except socket.error as error:
2605
2690
if error.errno == errno.EPERM:
2606
logger.error("No permission to bind to"
2607
" interface %s", self.interface)
2691
log.error("No permission to bind to interface %s",
2608
2693
elif error.errno == errno.ENOPROTOOPT:
2609
logger.error("SO_BINDTODEVICE not available;"
2610
" cannot bind to interface %s",
2694
log.error("SO_BINDTODEVICE not available; cannot"
2695
" bind to interface %s", self.interface)
2612
2696
elif error.errno == errno.ENODEV:
2613
logger.error("Interface %s does not exist,"
2614
" cannot bind", self.interface)
2697
log.error("Interface %s does not exist, cannot"
2698
" bind", self.interface)
2617
2701
# Only bind(2) the socket if we really need to.
2618
2702
if self.server_address[0] or self.server_address[1]:
2703
if self.server_address[1]:
2704
self.allow_reuse_address = True
2619
2705
if not self.server_address[0]:
2620
2706
if self.address_family == socket.AF_INET6:
2621
2707
any_address = "::" # in6addr_any
2758
2845
def rfc3339_duration_to_delta(duration):
2759
2846
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
2761
>>> rfc3339_duration_to_delta("P7D")
2762
datetime.timedelta(7)
2763
>>> rfc3339_duration_to_delta("PT60S")
2764
datetime.timedelta(0, 60)
2765
>>> rfc3339_duration_to_delta("PT60M")
2766
datetime.timedelta(0, 3600)
2767
>>> rfc3339_duration_to_delta("PT24H")
2768
datetime.timedelta(1)
2769
>>> rfc3339_duration_to_delta("P1W")
2770
datetime.timedelta(7)
2771
>>> rfc3339_duration_to_delta("PT5M30S")
2772
datetime.timedelta(0, 330)
2773
>>> rfc3339_duration_to_delta("P1DT3M20S")
2774
datetime.timedelta(1, 200)
2848
>>> timedelta = datetime.timedelta
2849
>>> rfc3339_duration_to_delta("P7D") == timedelta(7)
2851
>>> rfc3339_duration_to_delta("PT60S") == timedelta(0, 60)
2853
>>> rfc3339_duration_to_delta("PT60M") == timedelta(0, 3600)
2855
>>> rfc3339_duration_to_delta("PT24H") == timedelta(1)
2857
>>> rfc3339_duration_to_delta("P1W") == timedelta(7)
2859
>>> rfc3339_duration_to_delta("PT5M30S") == timedelta(0, 330)
2861
>>> rfc3339_duration_to_delta("P1DT3M20S") == timedelta(1, 200)
2777
2866
# Parsing an RFC 3339 duration with regular expressions is not
2857
2946
def string_to_delta(interval):
2858
2947
"""Parse a string and return a datetime.timedelta
2860
>>> string_to_delta('7d')
2861
datetime.timedelta(7)
2862
>>> string_to_delta('60s')
2863
datetime.timedelta(0, 60)
2864
>>> string_to_delta('60m')
2865
datetime.timedelta(0, 3600)
2866
>>> string_to_delta('24h')
2867
datetime.timedelta(1)
2868
>>> string_to_delta('1w')
2869
datetime.timedelta(7)
2870
>>> string_to_delta('5m 30s')
2871
datetime.timedelta(0, 330)
2949
>>> string_to_delta("7d") == datetime.timedelta(7)
2951
>>> string_to_delta("60s") == datetime.timedelta(0, 60)
2953
>>> string_to_delta("60m") == datetime.timedelta(0, 3600)
2955
>>> string_to_delta("24h") == datetime.timedelta(1)
2957
>>> string_to_delta("1w") == datetime.timedelta(7)
2959
>>> string_to_delta("5m 30s") == datetime.timedelta(0, 330)
3266
3351
for key, value in
3267
3352
bytes_old_client_settings.items()}
3268
3353
del bytes_old_client_settings
3354
# .host and .checker_command
3270
3355
for value in old_client_settings.values():
3271
if isinstance(value["host"], bytes):
3272
value["host"] = (value["host"]
3356
for attribute in ("host", "checker_command"):
3357
if isinstance(value[attribute], bytes):
3358
value[attribute] = (value[attribute]
3274
3360
os.remove(stored_state_path)
3275
3361
except IOError as e:
3276
3362
if e.errno == errno.ENOENT:
3277
logger.warning("Could not load persistent state:"
3278
" {}".format(os.strerror(e.errno)))
3363
log.warning("Could not load persistent state:"
3364
" %s", os.strerror(e.errno))
3280
logger.critical("Could not load persistent state:",
3366
log.critical("Could not load persistent state:",
3283
3369
except EOFError as e:
3284
logger.warning("Could not load persistent state: "
3370
log.warning("Could not load persistent state: EOFError:",
3288
3373
with PGPEngine() as pgp:
3289
3374
for client_name, client in clients_data.items():
3316
3401
if client["enabled"]:
3317
3402
if datetime.datetime.utcnow() >= client["expires"]:
3318
3403
if not client["last_checked_ok"]:
3320
"disabling client {} - Client never "
3321
"performed a successful checker".format(
3404
log.warning("disabling client %s - Client"
3405
" never performed a successful"
3406
" checker", client_name)
3323
3407
client["enabled"] = False
3324
3408
elif client["last_checker_status"] != 0:
3326
"disabling client {} - Client last"
3327
" checker failed with error code"
3330
client["last_checker_status"]))
3409
log.warning("disabling client %s - Client"
3410
" last checker failed with error"
3411
" code %s", client_name,
3412
client["last_checker_status"])
3331
3413
client["enabled"] = False
3333
3415
client["expires"] = (
3334
3416
datetime.datetime.utcnow()
3335
3417
+ client["timeout"])
3336
logger.debug("Last checker succeeded,"
3337
" keeping {} enabled".format(
3418
log.debug("Last checker succeeded, keeping %s"
3419
" enabled", client_name)
3340
3421
client["secret"] = pgp.decrypt(
3341
3422
client["encrypted_secret"],
3342
3423
client_settings[client_name]["secret"])
3343
3424
except PGPError:
3344
3425
# If decryption fails, we use secret from new settings
3345
logger.debug("Failed to decrypt {} old secret".format(
3426
log.debug("Failed to decrypt %s old secret",
3347
3428
client["secret"] = (client_settings[client_name]
3597
3677
service.activate()
3598
3678
except dbus.exceptions.DBusException as error:
3599
logger.critical("D-Bus Exception", exc_info=error)
3679
log.critical("D-Bus Exception", exc_info=error)
3602
3682
# End of Avahi example code
3604
GLib.io_add_watch(tcp_server.fileno(), GLib.IO_IN,
3605
lambda *args, **kwargs:
3606
(tcp_server.handle_request
3607
(*args[2:], **kwargs) or True))
3685
GLib.IOChannel.unix_new(tcp_server.fileno()),
3686
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
3687
lambda *args, **kwargs: (tcp_server.handle_request
3688
(*args[2:], **kwargs) or True))
3609
logger.debug("Starting main loop")
3690
log.debug("Starting main loop")
3610
3691
main_loop.run()
3611
3692
except AvahiError as error:
3612
logger.critical("Avahi Error", exc_info=error)
3693
log.critical("Avahi Error", exc_info=error)
3615
3696
except KeyboardInterrupt:
3617
3698
print("", file=sys.stderr)
3618
logger.debug("Server received KeyboardInterrupt")
3619
logger.debug("Server exiting")
3699
log.debug("Server received KeyboardInterrupt")
3700
log.debug("Server exiting")
3620
3701
# Must run before the D-Bus bus name gets deregistered
3624
if __name__ == '__main__':
3705
def parse_test_args():
3706
# type: () -> argparse.Namespace
3707
parser = argparse.ArgumentParser(add_help=False)
3708
parser.add_argument("--check", action="store_true")
3709
parser.add_argument("--prefix", )
3710
args, unknown_args = parser.parse_known_args()
3712
# Remove test options from sys.argv
3713
sys.argv[1:] = unknown_args
3716
# Add all tests from doctest strings
3717
def load_tests(loader, tests, none):
3719
tests.addTests(doctest.DocTestSuite())
3722
if __name__ == "__main__":
3723
options = parse_test_args()
3726
extra_test_prefix = options.prefix
3727
if extra_test_prefix is not None:
3728
if not (unittest.main(argv=[""], exit=False)
3729
.result.wasSuccessful()):
3731
class ExtraTestLoader(unittest.TestLoader):
3732
testMethodPrefix = extra_test_prefix
3733
# Call using ./scriptname --test [--verbose]
3734
unittest.main(argv=[""], testLoader=ExtraTestLoader())
3736
unittest.main(argv=[""])
3744
# (lambda (&optional extra)
3745
# (if (not (funcall run-tests-in-test-buffer default-directory
3747
# (funcall show-test-buffer-in-test-window)
3748
# (funcall remove-test-window)
3749
# (if extra (message "Extra tests run successfully!"))))
3750
# run-tests-in-test-buffer:
3751
# (lambda (dir &optional extra)
3752
# (with-current-buffer (get-buffer-create "*Test*")
3753
# (setq buffer-read-only nil
3754
# default-directory dir)
3756
# (compilation-mode))
3757
# (let ((process-result
3758
# (let ((inhibit-read-only t))
3759
# (process-file-shell-command
3760
# (funcall get-command-line extra) nil "*Test*"))))
3761
# (and (numberp process-result)
3762
# (= process-result 0))))
3764
# (lambda (&optional extra)
3765
# (let ((quoted-script
3766
# (shell-quote-argument (funcall get-script-name))))
3768
# (concat "%s --check" (if extra " --prefix=atest" ""))
3772
# (if (fboundp 'file-local-name)
3773
# (file-local-name (buffer-file-name))
3774
# (or (file-remote-p (buffer-file-name) 'localname)
3775
# (buffer-file-name))))
3776
# remove-test-window:
3778
# (let ((test-window (get-buffer-window "*Test*")))
3779
# (if test-window (delete-window test-window))))
3780
# show-test-buffer-in-test-window:
3782
# (when (not (get-buffer-window-list "*Test*"))
3783
# (setq next-error-last-buffer (get-buffer "*Test*"))
3784
# (let* ((side (if (>= (window-width) 146) 'right 'bottom))
3785
# (display-buffer-overriding-action
3786
# `((display-buffer-in-side-window) (side . ,side)
3787
# (window-height . fit-window-to-buffer)
3788
# (window-width . fit-window-to-buffer))))
3789
# (display-buffer "*Test*"))))
3792
# (let* ((run-extra-tests (lambda () (interactive)
3793
# (funcall run-tests t)))
3794
# (inner-keymap `(keymap (116 . ,run-extra-tests))) ; t
3795
# (outer-keymap `(keymap (3 . ,inner-keymap)))) ; C-c
3796
# (setq minor-mode-overriding-map-alist
3797
# (cons `(run-tests . ,outer-keymap)
3798
# minor-mode-overriding-map-alist)))
3799
# (add-hook 'after-save-hook run-tests 90 t))