369
380
self.server_state_changed)
370
381
self.server_state_changed(self.server.GetState())
372
384
class AvahiServiceToSyslog(AvahiService):
373
385
def rename(self):
374
386
"""Add the new name to the syslog messages"""
375
387
ret = AvahiService.rename(self)
376
388
syslogger.setFormatter(logging.Formatter
377
('Mandos (%s) [%%(process)d]:'
378
' %%(levelname)s: %%(message)s'
389
('Mandos ({0}) [%(process)d]:'
390
' %(levelname)s: %(message)s'
382
395
def timedelta_to_milliseconds(td):
383
396
"Convert a datetime.timedelta() to milliseconds"
384
397
return ((td.days * 24 * 60 * 60 * 1000)
385
398
+ (td.seconds * 1000)
386
399
+ (td.microseconds // 1000))
388
402
class Client(object):
389
403
"""A representation of a client host served by this server.
431
445
runtime_expansions = ("approval_delay", "approval_duration",
432
"created", "enabled", "fingerprint",
433
"host", "interval", "last_checked_ok",
446
"created", "enabled", "expires",
447
"fingerprint", "host", "interval",
448
"last_approval_request", "last_checked_ok",
434
449
"last_enabled", "name", "timeout")
435
client_defaults = { "timeout": "5m",
436
"extended_timeout": "15m",
450
client_defaults = { "timeout": "PT5M",
451
"extended_timeout": "PT15M",
438
453
"checker": "fping -q -- %%(host)s",
440
"approval_delay": "0s",
441
"approval_duration": "1s",
455
"approval_delay": "PT0S",
456
"approval_duration": "PT1S",
442
457
"approved_by_default": "True",
443
458
"enabled": "True",
566
577
if getattr(self, "enabled", False):
567
578
# Already enabled
569
self.send_changedstate()
570
580
self.expires = datetime.datetime.utcnow() + self.timeout
571
581
self.enabled = True
572
582
self.last_enabled = datetime.datetime.utcnow()
573
583
self.init_checker()
584
self.send_changedstate()
575
586
def disable(self, quiet=True):
576
587
"""Disable this client."""
577
588
if not getattr(self, "enabled", False):
580
self.send_changedstate()
582
591
logger.info("Disabling client %s", self.name)
583
if getattr(self, "disable_initiator_tag", False):
592
if getattr(self, "disable_initiator_tag", None) is not None:
584
593
gobject.source_remove(self.disable_initiator_tag)
585
594
self.disable_initiator_tag = None
586
595
self.expires = None
587
if getattr(self, "checker_initiator_tag", False):
596
if getattr(self, "checker_initiator_tag", None) is not None:
588
597
gobject.source_remove(self.checker_initiator_tag)
589
598
self.checker_initiator_tag = None
590
599
self.stop_checker()
591
600
self.enabled = False
602
self.send_changedstate()
592
603
# Do not run this again if called by a gobject.timeout_add
653
669
If a checker already exists, leave it running and do
655
671
# The reason for not killing a running checker is that if we
656
# did that, then if a checker (for some reason) started
657
# running slowly and taking more than 'interval' time, the
658
# client would inevitably timeout, since no checker would get
659
# a chance to run to completion. If we instead leave running
672
# did that, and if a checker (for some reason) started running
673
# slowly and taking more than 'interval' time, then the client
674
# would inevitably timeout, since no checker would get a
675
# chance to run to completion. If we instead leave running
660
676
# checkers alone, the checker would have to take more time
661
677
# than 'timeout' for the client to be disabled, which is as it
676
692
self.current_checker_command)
677
693
# Start a new checker if needed
678
694
if self.checker is None:
695
# Escape attributes for the shell
696
escaped_attrs = dict(
697
(attr, re.escape(unicode(getattr(self, attr))))
699
self.runtime_expansions)
680
# In case checker_command has exactly one % operator
681
command = self.checker_command % self.host
683
# Escape attributes for the shell
684
escaped_attrs = dict(
686
re.escape(unicode(str(getattr(self, attr, "")),
690
self.runtime_expansions)
693
command = self.checker_command % escaped_attrs
694
except TypeError as error:
695
logger.error('Could not format string "%s":'
696
' %s', self.checker_command, error)
697
return True # Try again later
701
command = self.checker_command % escaped_attrs
702
except TypeError as error:
703
logger.error('Could not format string "%s"',
704
self.checker_command, exc_info=error)
705
return True # Try again later
698
706
self.current_checker_command = command
700
708
logger.info("Starting checker %r for %s",
706
714
self.checker = subprocess.Popen(command,
708
716
shell=True, cwd="/")
709
self.checker_callback_tag = (gobject.child_watch_add
711
self.checker_callback,
713
# The checker may have completed before the gobject
714
# watch was added. Check for this.
715
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
717
gobject.source_remove(self.checker_callback_tag)
718
self.checker_callback(pid, status, command)
719
717
except OSError as error:
720
logger.error("Failed to start subprocess: %s",
718
logger.error("Failed to start subprocess",
720
self.checker_callback_tag = (gobject.child_watch_add
722
self.checker_callback,
724
# The checker may have completed before the gobject
725
# watch was added. Check for this.
726
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
728
gobject.source_remove(self.checker_callback_tag)
729
self.checker_callback(pid, status, command)
722
730
# Re-run this periodically if run by gobject.timeout_add
782
def dbus_interface_annotations(dbus_interface):
783
"""Decorator for marking functions returning interface annotations
787
@dbus_interface_annotations("org.example.Interface")
788
def _foo(self): # Function name does not matter
789
return {"org.freedesktop.DBus.Deprecated": "true",
790
"org.freedesktop.DBus.Property.EmitsChangedSignal":
794
func._dbus_is_interface = True
795
func._dbus_interface = dbus_interface
796
func._dbus_name = dbus_interface
801
def dbus_annotations(annotations):
802
"""Decorator to annotate D-Bus methods, signals or properties
805
@dbus_service_property("org.example.Interface", signature="b",
807
@dbus_annotations({{"org.freedesktop.DBus.Deprecated": "true",
808
"org.freedesktop.DBus.Property."
809
"EmitsChangedSignal": "false"})
810
def Property_dbus_property(self):
811
return dbus.Boolean(False)
814
func._dbus_annotations = annotations
774
819
class DBusPropertyException(dbus.exceptions.DBusException):
775
820
"""A base class for D-Bus property-related exceptions
802
def _is_dbus_property(obj):
803
return getattr(obj, "_dbus_is_property", False)
847
def _is_dbus_thing(thing):
848
"""Returns a function testing if an attribute is a D-Bus thing
850
If called like _is_dbus_thing("method") it returns a function
851
suitable for use as predicate to inspect.getmembers().
853
return lambda obj: getattr(obj, "_dbus_is_{0}".format(thing),
805
def _get_all_dbus_properties(self):
856
def _get_all_dbus_things(self, thing):
806
857
"""Returns a generator of (name, attribute) pairs
808
return ((prop.__get__(self)._dbus_name, prop.__get__(self))
859
return ((getattr(athing.__get__(self), "_dbus_name",
861
athing.__get__(self))
809
862
for cls in self.__class__.__mro__
811
inspect.getmembers(cls, self._is_dbus_property))
864
inspect.getmembers(cls,
865
self._is_dbus_thing(thing)))
813
867
def _get_dbus_property(self, interface_name, property_name):
814
868
"""Returns a bound method if one exists which is a D-Bus
898
955
e.setAttribute("access", prop._dbus_access)
900
957
for if_tag in document.getElementsByTagName("interface"):
901
959
for tag in (make_tag(document, name, prop)
903
in self._get_all_dbus_properties()
961
in self._get_all_dbus_things("property")
904
962
if prop._dbus_interface
905
963
== if_tag.getAttribute("name")):
906
964
if_tag.appendChild(tag)
965
# Add annotation tags
966
for typ in ("method", "signal", "property"):
967
for tag in if_tag.getElementsByTagName(typ):
969
for name, prop in (self.
970
_get_all_dbus_things(typ)):
971
if (name == tag.getAttribute("name")
972
and prop._dbus_interface
973
== if_tag.getAttribute("name")):
974
annots.update(getattr
978
for name, value in annots.iteritems():
979
ann_tag = document.createElement(
981
ann_tag.setAttribute("name", name)
982
ann_tag.setAttribute("value", value)
983
tag.appendChild(ann_tag)
984
# Add interface annotation tags
985
for annotation, value in dict(
986
itertools.chain.from_iterable(
987
annotations().iteritems()
988
for name, annotations in
989
self._get_all_dbus_things("interface")
990
if name == if_tag.getAttribute("name")
992
ann_tag = document.createElement("annotation")
993
ann_tag.setAttribute("name", annotation)
994
ann_tag.setAttribute("value", value)
995
if_tag.appendChild(ann_tag)
907
996
# Add the names to the return values for the
908
997
# "org.freedesktop.DBus.Properties" methods
909
998
if (if_tag.getAttribute("name")
936
1025
variant_level=variant_level)
939
class AlternateDBusNamesMetaclass(DBusObjectWithProperties
941
"""Applied to an empty subclass of a D-Bus object, this metaclass
942
will add additional D-Bus attributes matching a certain pattern.
1028
def alternate_dbus_interfaces(alt_interface_names, deprecate=True):
1029
"""A class decorator; applied to a subclass of
1030
dbus.service.Object, it will add alternate D-Bus attributes with
1031
interface names according to the "alt_interface_names" mapping.
1034
@alternate_dbus_interfaces({"org.example.Interface":
1035
"net.example.AlternateInterface"})
1036
class SampleDBusObject(dbus.service.Object):
1037
@dbus.service.method("org.example.Interface")
1038
def SampleDBusMethod():
1041
The above "SampleDBusMethod" on "SampleDBusObject" will be
1042
reachable via two interfaces: "org.example.Interface" and
1043
"net.example.AlternateInterface", the latter of which will have
1044
its D-Bus annotation "org.freedesktop.DBus.Deprecated" set to
1045
"true", unless "deprecate" is passed with a False value.
1047
This works for methods and signals, and also for D-Bus properties
1048
(from DBusObjectWithProperties) and interfaces (from the
1049
dbus_interface_annotations decorator).
944
def __new__(mcs, name, bases, attr):
945
# Go through all the base classes which could have D-Bus
946
# methods, signals, or properties in them
947
for base in (b for b in bases
948
if issubclass(b, dbus.service.Object)):
949
# Go though all attributes of the base class
950
for attrname, attribute in inspect.getmembers(base):
1052
for orig_interface_name, alt_interface_name in (
1053
alt_interface_names.iteritems()):
1055
interface_names = set()
1056
# Go though all attributes of the class
1057
for attrname, attribute in inspect.getmembers(cls):
951
1058
# Ignore non-D-Bus attributes, and D-Bus attributes
952
1059
# with the wrong interface name
953
1060
if (not hasattr(attribute, "_dbus_interface")
954
1061
or not attribute._dbus_interface
955
.startswith("se.recompile.Mandos")):
1062
.startswith(orig_interface_name)):
957
1064
# Create an alternate D-Bus interface name based on
958
1065
# the current name
959
1066
alt_interface = (attribute._dbus_interface
960
.replace("se.recompile.Mandos",
961
"se.bsnet.fukt.Mandos"))
1067
.replace(orig_interface_name,
1068
alt_interface_name))
1069
interface_names.add(alt_interface)
962
1070
# Is this a D-Bus signal?
963
1071
if getattr(attribute, "_dbus_is_signal", False):
964
1072
# Extract the original non-method function by
979
1087
nonmethod_func.func_name,
980
1088
nonmethod_func.func_defaults,
981
1089
nonmethod_func.func_closure)))
1090
# Copy annotations, if any
1092
new_function._dbus_annotations = (
1093
dict(attribute._dbus_annotations))
1094
except AttributeError:
982
1096
# Define a creator of a function to call both the
983
# old and new functions, so both the old and new
984
# signals gets sent when the function is called
1097
# original and alternate functions, so both the
1098
# original and alternate signals gets sent when
1099
# the function is called
985
1100
def fixscope(func1, func2):
986
1101
"""This function is a scope container to pass
987
1102
func1 and func2 to the "call_both" function
1031
1151
attribute.func_name,
1032
1152
attribute.func_defaults,
1033
1153
attribute.func_closure)))
1034
return type.__new__(mcs, name, bases, attr)
1154
# Copy annotations, if any
1156
attr[attrname]._dbus_annotations = (
1157
dict(attribute._dbus_annotations))
1158
except AttributeError:
1160
# Is this a D-Bus interface?
1161
elif getattr(attribute, "_dbus_is_interface", False):
1162
# Create a new, but exactly alike, function
1163
# object. Decorate it to be a new D-Bus interface
1164
# with the alternate D-Bus interface name. Add it
1166
attr[attrname] = (dbus_interface_annotations
1169
(attribute.func_code,
1170
attribute.func_globals,
1171
attribute.func_name,
1172
attribute.func_defaults,
1173
attribute.func_closure)))
1175
# Deprecate all alternate interfaces
1176
iname="_AlternateDBusNames_interface_annotation{0}"
1177
for interface_name in interface_names:
1178
@dbus_interface_annotations(interface_name)
1180
return { "org.freedesktop.DBus.Deprecated":
1182
# Find an unused name
1183
for aname in (iname.format(i)
1184
for i in itertools.count()):
1185
if aname not in attr:
1189
# Replace the class with a new subclass of it with
1190
# methods, signals, etc. as created above.
1191
cls = type(b"{0}Alternate".format(cls.__name__),
1197
@alternate_dbus_interfaces({"se.recompile.Mandos":
1198
"se.bsnet.fukt.Mandos"})
1037
1199
class ClientDBus(Client, DBusObjectWithProperties):
1038
1200
"""A Client class using D-Bus
1364
1531
def Timeout_dbus_property(self, value=None):
1365
1532
if value is None: # get
1366
1533
return dbus.UInt64(self.timeout_milliseconds())
1534
old_timeout = self.timeout
1367
1535
self.timeout = datetime.timedelta(0, 0, 0, value)
1368
# Reschedule timeout
1536
# Reschedule disabling
1369
1537
if self.enabled:
1370
1538
now = datetime.datetime.utcnow()
1371
time_to_die = timedelta_to_milliseconds(
1372
(self.last_checked_ok + self.timeout) - now)
1373
if time_to_die <= 0:
1539
self.expires += self.timeout - old_timeout
1540
if self.expires <= now:
1374
1541
# The timeout has passed
1377
self.expires = (now +
1378
datetime.timedelta(milliseconds =
1380
1544
if (getattr(self, "disable_initiator_tag", None)
1383
1547
gobject.source_remove(self.disable_initiator_tag)
1384
self.disable_initiator_tag = (gobject.timeout_add
1548
self.disable_initiator_tag = (
1549
gobject.timeout_add(
1550
timedelta_to_milliseconds(self.expires - now),
1388
1553
# ExtendedTimeout - property
1389
1554
@dbus_service_property(_interface, signature="t",
1738
1900
use_ipv6: Boolean; to use IPv6 or not
1740
1902
def __init__(self, server_address, RequestHandlerClass,
1741
interface=None, use_ipv6=True):
1903
interface=None, use_ipv6=True, socketfd=None):
1904
"""If socketfd is set, use that file descriptor instead of
1905
creating a new one with socket.socket().
1742
1907
self.interface = interface
1744
1909
self.address_family = socket.AF_INET6
1910
if socketfd is not None:
1911
# Save the file descriptor
1912
self.socketfd = socketfd
1913
# Save the original socket.socket() function
1914
self.socket_socket = socket.socket
1915
# To implement --socket, we monkey patch socket.socket.
1917
# (When socketserver.TCPServer is a new-style class, we
1918
# could make self.socket into a property instead of monkey
1919
# patching socket.socket.)
1921
# Create a one-time-only replacement for socket.socket()
1922
@functools.wraps(socket.socket)
1923
def socket_wrapper(*args, **kwargs):
1924
# Restore original function so subsequent calls are
1926
socket.socket = self.socket_socket
1927
del self.socket_socket
1928
# This time only, return a new socket object from the
1929
# saved file descriptor.
1930
return socket.fromfd(self.socketfd, *args, **kwargs)
1931
# Replace socket.socket() function with wrapper
1932
socket.socket = socket_wrapper
1933
# The socketserver.TCPServer.__init__ will call
1934
# socket.socket(), which might be our replacement,
1935
# socket_wrapper(), if socketfd was set.
1745
1936
socketserver.TCPServer.__init__(self, server_address,
1746
1937
RequestHandlerClass)
1747
1939
def server_bind(self):
1748
1940
"""This overrides the normal server_bind() function
1749
1941
to bind to an interface if one was specified, and also NOT to
1758
1950
self.socket.setsockopt(socket.SOL_SOCKET,
1759
1951
SO_BINDTODEVICE,
1952
str(self.interface + '\0'))
1762
1953
except socket.error as error:
1763
if error[0] == errno.EPERM:
1764
logger.error("No permission to"
1765
" bind to interface %s",
1767
elif error[0] == errno.ENOPROTOOPT:
1954
if error.errno == errno.EPERM:
1955
logger.error("No permission to bind to"
1956
" interface %s", self.interface)
1957
elif error.errno == errno.ENOPROTOOPT:
1768
1958
logger.error("SO_BINDTODEVICE not available;"
1769
1959
" cannot bind to interface %s",
1770
1960
self.interface)
1961
elif error.errno == errno.ENODEV:
1962
logger.error("Interface %s does not exist,"
1963
" cannot bind", self.interface)
1773
1966
# Only bind(2) the socket if we really need to.
1833
2027
def handle_ipc(self, source, condition, parent_pipe=None,
1834
2028
proc = None, client_object=None):
1836
gobject.IO_IN: "IN", # There is data to read.
1837
gobject.IO_OUT: "OUT", # Data can be written (without
1839
gobject.IO_PRI: "PRI", # There is urgent data to read.
1840
gobject.IO_ERR: "ERR", # Error condition.
1841
gobject.IO_HUP: "HUP" # Hung up (the connection has been
1842
# broken, usually for pipes and
1845
conditions_string = ' | '.join(name
1847
condition_names.iteritems()
1848
if cond & condition)
1849
2029
# error, or the other end of multiprocessing.Pipe has closed
1850
if condition & (gobject.IO_ERR | condition & gobject.IO_HUP):
2030
if condition & (gobject.IO_ERR | gobject.IO_HUP):
1851
2031
# Wait for other process to exit
2094
def rfc3339_duration_to_delta(duration):
2095
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
2097
>>> rfc3339_duration_to_delta("P7D")
2098
datetime.timedelta(7)
2099
>>> rfc3339_duration_to_delta("PT60S")
2100
datetime.timedelta(0, 60)
2101
>>> rfc3339_duration_to_delta("PT60M")
2102
datetime.timedelta(0, 3600)
2103
>>> rfc3339_duration_to_delta("PT24H")
2104
datetime.timedelta(1)
2105
>>> rfc3339_duration_to_delta("P1W")
2106
datetime.timedelta(7)
2107
>>> rfc3339_duration_to_delta("PT5M30S")
2108
datetime.timedelta(0, 330)
2109
>>> rfc3339_duration_to_delta("P1DT3M20S")
2110
datetime.timedelta(1, 200)
2113
# Parsing an RFC 3339 duration with regular expressions is not
2114
# possible - there would have to be multiple places for the same
2115
# values, like seconds. The current code, while more esoteric, is
2116
# cleaner without depending on a parsing library. If Python had a
2117
# built-in library for parsing we would use it, but we'd like to
2118
# avoid excessive use of external libraries.
2120
# New type for defining tokens, syntax, and semantics all-in-one
2121
Token = collections.namedtuple("Token",
2122
("regexp", # To match token; if
2123
# "value" is not None,
2124
# must have a "group"
2126
"value", # datetime.timedelta or
2128
"followers")) # Tokens valid after
2130
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
2131
# the "duration" ABNF definition in RFC 3339, Appendix A.
2132
token_end = Token(re.compile(r"$"), None, frozenset())
2133
token_second = Token(re.compile(r"(\d+)S"),
2134
datetime.timedelta(seconds=1),
2135
frozenset((token_end,)))
2136
token_minute = Token(re.compile(r"(\d+)M"),
2137
datetime.timedelta(minutes=1),
2138
frozenset((token_second, token_end)))
2139
token_hour = Token(re.compile(r"(\d+)H"),
2140
datetime.timedelta(hours=1),
2141
frozenset((token_minute, token_end)))
2142
token_time = Token(re.compile(r"T"),
2144
frozenset((token_hour, token_minute,
2146
token_day = Token(re.compile(r"(\d+)D"),
2147
datetime.timedelta(days=1),
2148
frozenset((token_time, token_end)))
2149
token_month = Token(re.compile(r"(\d+)M"),
2150
datetime.timedelta(weeks=4),
2151
frozenset((token_day, token_end)))
2152
token_year = Token(re.compile(r"(\d+)Y"),
2153
datetime.timedelta(weeks=52),
2154
frozenset((token_month, token_end)))
2155
token_week = Token(re.compile(r"(\d+)W"),
2156
datetime.timedelta(weeks=1),
2157
frozenset((token_end,)))
2158
token_duration = Token(re.compile(r"P"), None,
2159
frozenset((token_year, token_month,
2160
token_day, token_time,
2162
# Define starting values
2163
value = datetime.timedelta() # Value so far
2165
followers = frozenset(token_duration,) # Following valid tokens
2166
s = duration # String left to parse
2167
# Loop until end token is found
2168
while found_token is not token_end:
2169
# Search for any currently valid tokens
2170
for token in followers:
2171
match = token.regexp.match(s)
2172
if match is not None:
2174
if token.value is not None:
2175
# Value found, parse digits
2176
factor = int(match.group(1), 10)
2177
# Add to value so far
2178
value += factor * token.value
2179
# Strip token from string
2180
s = token.regexp.sub("", s, 1)
2183
# Set valid next tokens
2184
followers = found_token.followers
2187
# No currently valid tokens were found
2188
raise ValueError("Invalid RFC 3339 duration")
1914
2193
def string_to_delta(interval):
1915
2194
"""Parse a string and return a datetime.timedelta
2046
2339
# Convert the SafeConfigParser object to a dict
2047
2340
server_settings = server_config.defaults()
2048
2341
# Use the appropriate methods on the non-string config options
2049
for option in ("debug", "use_dbus", "use_ipv6"):
2342
for option in ("debug", "use_dbus", "use_ipv6", "foreground"):
2050
2343
server_settings[option] = server_config.getboolean("DEFAULT",
2052
2345
if server_settings["port"]:
2053
2346
server_settings["port"] = server_config.getint("DEFAULT",
2348
if server_settings["socket"]:
2349
server_settings["socket"] = server_config.getint("DEFAULT",
2351
# Later, stdin will, and stdout and stderr might, be dup'ed
2352
# over with an opened os.devnull. But we don't want this to
2353
# happen with a supplied network socket.
2354
if 0 <= server_settings["socket"] <= 2:
2355
server_settings["socket"] = os.dup(server_settings
2055
2357
del server_config
2057
2359
# Override the settings from the config file with command line
2112
2419
use_ipv6=use_ipv6,
2113
2420
gnutls_priority=
2114
2421
server_settings["priority"],
2423
socketfd=(server_settings["socket"]
2117
2426
pidfilename = "/var/run/mandos.pid"
2119
2429
pidfile = open(pidfilename, "w")
2121
logger.error("Could not open file %r", pidfilename)
2430
except IOError as e:
2431
logger.error("Could not open file %r", pidfilename,
2124
uid = pwd.getpwnam("_mandos").pw_uid
2125
gid = pwd.getpwnam("_mandos").pw_gid
2434
for name in ("_mandos", "mandos", "nobody"):
2128
uid = pwd.getpwnam("mandos").pw_uid
2129
gid = pwd.getpwnam("mandos").pw_gid
2436
uid = pwd.getpwnam(name).pw_uid
2437
gid = pwd.getpwnam(name).pw_gid
2130
2439
except KeyError:
2132
uid = pwd.getpwnam("nobody").pw_uid
2133
gid = pwd.getpwnam("nobody").pw_gid
2140
2447
except OSError as error:
2141
if error[0] != errno.EPERM:
2448
if error.errno != errno.EPERM:
2156
2463
.gnutls_global_set_log_function(debug_gnutls))
2158
2465
# Redirect stdin so all checkers get /dev/null
2159
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
2466
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
2160
2467
os.dup2(null, sys.stdin.fileno())
2164
2471
# Need to fork before connecting to D-Bus
2166
2473
# Close all input and output, do double fork, etc.
2476
# multiprocessing will use threads, so before we use gobject we
2477
# need to inform gobject that threads will be used.
2169
2478
gobject.threads_init()
2171
2480
global main_loop
2172
2481
# From the Avahi example code
2173
DBusGMainLoop(set_as_default=True )
2482
DBusGMainLoop(set_as_default=True)
2174
2483
main_loop = gobject.MainLoop()
2175
2484
bus = dbus.SystemBus()
2176
2485
# End of Avahi example code
2298
2608
if not tcp_server.clients:
2299
2609
logger.warning("No clients defined")
2305
pidfile.write(str(pid) + "\n".encode("utf-8"))
2308
logger.error("Could not write to file %r with PID %d",
2311
# "pidfile" was never created
2612
if pidfile is not None:
2616
pidfile.write(str(pid) + "\n".encode("utf-8"))
2618
logger.error("Could not write to file %r with PID %d",
2313
2621
del pidfilename
2314
signal.signal(signal.SIGINT, signal.SIG_IGN)
2316
2623
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
2317
2624
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
2320
class MandosDBusService(dbus.service.Object):
2627
@alternate_dbus_interfaces({"se.recompile.Mandos":
2628
"se.bsnet.fukt.Mandos"})
2629
class MandosDBusService(DBusObjectWithProperties):
2321
2630
"""A D-Bus proxy object"""
2322
2631
def __init__(self):
2323
2632
dbus.service.Object.__init__(self, bus, "/")
2324
2633
_interface = "se.recompile.Mandos"
2635
@dbus_interface_annotations(_interface)
2637
return { "org.freedesktop.DBus.Property"
2638
".EmitsChangedSignal":
2326
2641
@dbus.service.signal(_interface, signature="o")
2327
2642
def ClientAdded(self, objpath):
2411
2724
del client_settings[client.name]["secret"]
2414
tempfd, tempname = tempfile.mkstemp(suffix=".pickle",
2417
(stored_state_path))
2418
with os.fdopen(tempfd, "wb") as stored_state:
2727
with (tempfile.NamedTemporaryFile
2728
(mode='wb', suffix=".pickle", prefix='clients-',
2729
dir=os.path.dirname(stored_state_path),
2730
delete=False)) as stored_state:
2419
2731
pickle.dump((clients, client_settings), stored_state)
2732
tempname=stored_state.name
2420
2733
os.rename(tempname, stored_state_path)
2421
2734
except (IOError, OSError) as e:
2422
logger.warning("Could not save persistent state: {0}"
2426
2737
os.remove(tempname)
2427
2738
except NameError:
2429
if e.errno not in set((errno.ENOENT, errno.EACCES,
2740
if e.errno in (errno.ENOENT, errno.EACCES, errno.EEXIST):
2741
logger.warning("Could not save persistent state: {0}"
2742
.format(os.strerror(e.errno)))
2744
logger.warning("Could not save persistent state:",
2433
2748
# Delete all clients, and settings from config
2461
2776
service.port = tcp_server.socket.getsockname()[1]
2463
2778
logger.info("Now listening on address %r, port %d,"
2464
" flowinfo %d, scope_id %d"
2465
% tcp_server.socket.getsockname())
2779
" flowinfo %d, scope_id %d",
2780
*tcp_server.socket.getsockname())
2467
logger.info("Now listening on address %r, port %d"
2468
% tcp_server.socket.getsockname())
2782
logger.info("Now listening on address %r, port %d",
2783
*tcp_server.socket.getsockname())
2470
2785
#service.interface = tcp_server.socket.getsockname()[3]