177
176
def encrypt(self, data, password):
178
177
self.gnupg.passphrase = self.password_encode(password)
179
with open(os.devnull, "w") as devnull:
178
with open(os.devnull) as devnull:
181
180
proc = self.gnupg.run(['--symmetric'],
182
181
create_fhs=['stdin', 'stdout'],
194
193
def decrypt(self, data, password):
195
194
self.gnupg.passphrase = self.password_encode(password)
196
with open(os.devnull, "w") as devnull:
195
with open(os.devnull) as devnull:
198
197
proc = self.gnupg.run(['--decrypt'],
199
198
create_fhs=['stdin', 'stdout'],
200
199
attach_fhs={'stderr': devnull})
201
with contextlib.closing(proc.handles['stdin']) as f:
200
with contextlib.closing(proc.handles['stdin'] ) as f:
203
202
with contextlib.closing(proc.handles['stdout']) as f:
204
203
decrypted_plaintext = f.read()
775
def dbus_interface_annotations(dbus_interface):
776
"""Decorator for marking functions returning interface annotations.
780
@dbus_interface_annotations("org.example.Interface")
781
def _foo(self): # Function name does not matter
782
return {"org.freedesktop.DBus.Deprecated": "true",
783
"org.freedesktop.DBus.Property.EmitsChangedSignal":
787
func._dbus_is_interface = True
788
func._dbus_interface = dbus_interface
789
func._dbus_name = dbus_interface
794
def dbus_annotations(annotations):
795
"""Decorator to annotate D-Bus methods, signals or properties
798
@dbus_service_property("org.example.Interface", signature="b",
800
@dbus_annotations({{"org.freedesktop.DBus.Deprecated": "true",
801
"org.freedesktop.DBus.Property."
802
"EmitsChangedSignal": "false"})
803
def Property_dbus_property(self):
804
return dbus.Boolean(False)
807
func._dbus_annotations = annotations
812
774
class DBusPropertyException(dbus.exceptions.DBusException):
813
775
"""A base class for D-Bus property-related exceptions
840
def _is_dbus_thing(thing):
841
"""Returns a function testing if an attribute is a D-Bus thing
843
If called like _is_dbus_thing("method") it returns a function
844
suitable for use as predicate to inspect.getmembers().
846
return lambda obj: getattr(obj, "_dbus_is_{0}".format(thing),
802
def _is_dbus_property(obj):
803
return getattr(obj, "_dbus_is_property", False)
849
def _get_all_dbus_things(self, thing):
805
def _get_all_dbus_properties(self):
850
806
"""Returns a generator of (name, attribute) pairs
852
return ((getattr(athing.__get__(self), "_dbus_name",
854
athing.__get__(self))
808
return ((prop.__get__(self)._dbus_name, prop.__get__(self))
855
809
for cls in self.__class__.__mro__
857
inspect.getmembers(cls,
858
self._is_dbus_thing(thing)))
811
inspect.getmembers(cls, self._is_dbus_property))
860
813
def _get_dbus_property(self, interface_name, property_name):
861
814
"""Returns a bound method if one exists which is a D-Bus
864
817
for cls in self.__class__.__mro__:
865
818
for name, value in (inspect.getmembers
867
self._is_dbus_thing("property"))):
819
(cls, self._is_dbus_property)):
868
820
if (value._dbus_name == property_name
869
821
and value._dbus_interface == interface_name):
870
822
return value.__get__(self)
912
864
Note: Will not include properties with access="write".
915
for name, prop in self._get_all_dbus_things("property"):
867
for name, prop in self._get_all_dbus_properties():
916
868
if (interface_name
917
869
and interface_name != prop._dbus_interface):
918
870
# Interface non-empty but did not match
933
885
path_keyword='object_path',
934
886
connection_keyword='connection')
935
887
def Introspect(self, object_path, connection):
936
"""Overloading of standard D-Bus method.
938
Inserts property tags and interface annotation tags.
888
"""Standard D-Bus method, overloaded to insert property tags.
940
890
xmlstring = dbus.service.Object.Introspect(self, object_path,
948
898
e.setAttribute("access", prop._dbus_access)
950
900
for if_tag in document.getElementsByTagName("interface"):
952
901
for tag in (make_tag(document, name, prop)
954
in self._get_all_dbus_things("property")
903
in self._get_all_dbus_properties()
955
904
if prop._dbus_interface
956
905
== if_tag.getAttribute("name")):
957
906
if_tag.appendChild(tag)
958
# Add annotation tags
959
for typ in ("method", "signal", "property"):
960
for tag in if_tag.getElementsByTagName(typ):
962
for name, prop in (self.
963
_get_all_dbus_things(typ)):
964
if (name == tag.getAttribute("name")
965
and prop._dbus_interface
966
== if_tag.getAttribute("name")):
967
annots.update(getattr
971
for name, value in annots.iteritems():
972
ann_tag = document.createElement(
974
ann_tag.setAttribute("name", name)
975
ann_tag.setAttribute("value", value)
976
tag.appendChild(ann_tag)
977
# Add interface annotation tags
978
for annotation, value in dict(
980
*(annotations().iteritems()
981
for name, annotations in
982
self._get_all_dbus_things("interface")
983
if name == if_tag.getAttribute("name")
985
ann_tag = document.createElement("annotation")
986
ann_tag.setAttribute("name", annotation)
987
ann_tag.setAttribute("value", value)
988
if_tag.appendChild(ann_tag)
989
907
# Add the names to the return values for the
990
908
# "org.freedesktop.DBus.Properties" methods
991
909
if (if_tag.getAttribute("name")
1026
944
def __new__(mcs, name, bases, attr):
1027
945
# Go through all the base classes which could have D-Bus
1028
946
# methods, signals, or properties in them
1029
old_interface_names = []
1030
947
for base in (b for b in bases
1031
948
if issubclass(b, dbus.service.Object)):
1032
949
# Go though all attributes of the base class
1042
959
alt_interface = (attribute._dbus_interface
1043
960
.replace("se.recompile.Mandos",
1044
961
"se.bsnet.fukt.Mandos"))
1045
if alt_interface != attribute._dbus_interface:
1046
old_interface_names.append(alt_interface)
1047
962
# Is this a D-Bus signal?
1048
963
if getattr(attribute, "_dbus_is_signal", False):
1049
964
# Extract the original non-method function by
1064
979
nonmethod_func.func_name,
1065
980
nonmethod_func.func_defaults,
1066
981
nonmethod_func.func_closure)))
1067
# Copy annotations, if any
1069
new_function._dbus_annotations = (
1070
dict(attribute._dbus_annotations))
1071
except AttributeError:
1073
982
# Define a creator of a function to call both the
1074
983
# old and new functions, so both the old and new
1075
984
# signals gets sent when the function is called
1103
1012
attribute.func_name,
1104
1013
attribute.func_defaults,
1105
1014
attribute.func_closure)))
1106
# Copy annotations, if any
1108
attr[attrname]._dbus_annotations = (
1109
dict(attribute._dbus_annotations))
1110
except AttributeError:
1112
1015
# Is this a D-Bus property?
1113
1016
elif getattr(attribute, "_dbus_is_property", False):
1114
1017
# Create a new, but exactly alike, function
1128
1031
attribute.func_name,
1129
1032
attribute.func_defaults,
1130
1033
attribute.func_closure)))
1131
# Copy annotations, if any
1133
attr[attrname]._dbus_annotations = (
1134
dict(attribute._dbus_annotations))
1135
except AttributeError:
1137
# Is this a D-Bus interface?
1138
elif getattr(attribute, "_dbus_is_interface", False):
1139
# Create a new, but exactly alike, function
1140
# object. Decorate it to be a new D-Bus interface
1141
# with the alternate D-Bus interface name. Add it
1143
attr[attrname] = (dbus_interface_annotations
1146
(attribute.func_code,
1147
attribute.func_globals,
1148
attribute.func_name,
1149
attribute.func_defaults,
1150
attribute.func_closure)))
1151
# Deprecate all old interfaces
1152
basename="_AlternateDBusNamesMetaclass_interface_annotation{0}"
1153
for old_interface_name in old_interface_names:
1154
@dbus_interface_annotations(old_interface_name)
1156
return { "org.freedesktop.DBus.Deprecated": "true" }
1157
# Find an unused name
1158
for aname in (basename.format(i) for i in
1160
if aname not in attr:
1163
1034
return type.__new__(mcs, name, bases, attr)
1315
1186
## D-Bus methods, signals & properties
1316
1187
_interface = "se.recompile.Mandos.Client"
1320
@dbus_interface_annotations(_interface)
1322
return { "org.freedesktop.DBus.Property.EmitsChangedSignal":
1327
1191
# CheckerCompleted - signal
2100
1964
if not noclose:
2101
1965
# Close all standard open file descriptors
2102
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
1966
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
2103
1967
if not stat.S_ISCHR(os.fstat(null).st_mode):
2104
1968
raise OSError(errno.ENODEV,
2105
1969
"%s not a character device"
2107
1971
os.dup2(null, sys.stdin.fileno())
2108
1972
os.dup2(null, sys.stdout.fileno())
2109
1973
os.dup2(null, sys.stderr.fileno())
2292
2156
.gnutls_global_set_log_function(debug_gnutls))
2294
2158
# Redirect stdin so all checkers get /dev/null
2295
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
2159
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
2296
2160
os.dup2(null, sys.stdin.fileno())
2307
2171
global main_loop
2308
2172
# From the Avahi example code
2309
DBusGMainLoop(set_as_default=True)
2173
DBusGMainLoop(set_as_default=True )
2310
2174
main_loop = gobject.MainLoop()
2311
2175
bus = dbus.SystemBus()
2312
2176
# End of Avahi example code
2453
2317
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
2456
class MandosDBusService(DBusObjectWithProperties):
2320
class MandosDBusService(dbus.service.Object):
2457
2321
"""A D-Bus proxy object"""
2458
2322
def __init__(self):
2459
2323
dbus.service.Object.__init__(self, bus, "/")
2460
2324
_interface = "se.recompile.Mandos"
2462
@dbus_interface_annotations(_interface)
2464
return { "org.freedesktop.DBus.Property"
2465
".EmitsChangedSignal":
2468
2326
@dbus.service.signal(_interface, signature="o")
2469
2327
def ClientAdded(self, objpath):