236 lines
7.9 KiB
Python
236 lines
7.9 KiB
Python
|
"""Messages for talking to the DBus daemon itself
|
||
|
|
|
||
|
|
Generated by jeepney.bindgen and modified by hand.
|
||
|
|
"""
|
||
|
|
from .low_level import Message, MessageType, HeaderFields
|
||
|
|
from .wrappers import MessageGenerator, new_method_call
|
||
|
|
|
||
|
|
__all__ = [
|
||
|
|
'DBusNameFlags',
|
||
|
|
'DBus',
|
||
|
|
'message_bus',
|
||
|
|
'Monitoring',
|
||
|
|
'Stats',
|
||
|
|
'MatchRule',
|
||
|
|
]
|
||
|
|
|
||
|
|
class DBusNameFlags:
|
||
|
|
allow_replacement = 1
|
||
|
|
replace_existing = 2
|
||
|
|
do_not_queue = 4
|
||
|
|
|
||
|
|
class DBus(MessageGenerator):
|
||
|
|
"""Messages to talk to the message bus
|
||
|
|
"""
|
||
|
|
interface = 'org.freedesktop.DBus'
|
||
|
|
|
||
|
|
def __init__(self, object_path='/org/freedesktop/DBus',
|
||
|
|
bus_name='org.freedesktop.DBus'):
|
||
|
|
super().__init__(object_path=object_path, bus_name=bus_name)
|
||
|
|
|
||
|
|
def Hello(self):
|
||
|
|
return new_method_call(self, 'Hello')
|
||
|
|
|
||
|
|
def RequestName(self, name, flags=0):
|
||
|
|
return new_method_call(self, 'RequestName', 'su', (name, flags))
|
||
|
|
|
||
|
|
def ReleaseName(self, name):
|
||
|
|
return new_method_call(self, 'ReleaseName', 's', (name,))
|
||
|
|
|
||
|
|
def StartServiceByName(self, name):
|
||
|
|
return new_method_call(self, 'StartServiceByName', 'su',
|
||
|
|
(name, 0))
|
||
|
|
|
||
|
|
def UpdateActivationEnvironment(self, env):
|
||
|
|
return new_method_call(self, 'UpdateActivationEnvironment', 'a{ss}',
|
||
|
|
(env,))
|
||
|
|
|
||
|
|
def NameHasOwner(self, name):
|
||
|
|
return new_method_call(self, 'NameHasOwner', 's', (name,))
|
||
|
|
|
||
|
|
def ListNames(self):
|
||
|
|
return new_method_call(self, 'ListNames')
|
||
|
|
|
||
|
|
def ListActivatableNames(self):
|
||
|
|
return new_method_call(self, 'ListActivatableNames')
|
||
|
|
|
||
|
|
def AddMatch(self, rule):
|
||
|
|
"""*rule* can be a str or a :class:`MatchRule` instance"""
|
||
|
|
if isinstance(rule, MatchRule):
|
||
|
|
rule = rule.serialise()
|
||
|
|
return new_method_call(self, 'AddMatch', 's', (rule,))
|
||
|
|
|
||
|
|
def RemoveMatch(self, rule):
|
||
|
|
if isinstance(rule, MatchRule):
|
||
|
|
rule = rule.serialise()
|
||
|
|
return new_method_call(self, 'RemoveMatch', 's', (rule,))
|
||
|
|
|
||
|
|
def GetNameOwner(self, name):
|
||
|
|
return new_method_call(self, 'GetNameOwner', 's', (name,))
|
||
|
|
|
||
|
|
def ListQueuedOwners(self, name):
|
||
|
|
return new_method_call(self, 'ListQueuedOwners', 's', (name,))
|
||
|
|
|
||
|
|
def GetConnectionUnixUser(self, name):
|
||
|
|
return new_method_call(self, 'GetConnectionUnixUser', 's', (name,))
|
||
|
|
|
||
|
|
def GetConnectionUnixProcessID(self, name):
|
||
|
|
return new_method_call(self, 'GetConnectionUnixProcessID', 's', (name,))
|
||
|
|
|
||
|
|
def GetAdtAuditSessionData(self, name):
|
||
|
|
return new_method_call(self, 'GetAdtAuditSessionData', 's', (name,))
|
||
|
|
|
||
|
|
def GetConnectionSELinuxSecurityContext(self, name):
|
||
|
|
return new_method_call(self, 'GetConnectionSELinuxSecurityContext', 's',
|
||
|
|
(name,))
|
||
|
|
|
||
|
|
def ReloadConfig(self):
|
||
|
|
return new_method_call(self, 'ReloadConfig')
|
||
|
|
|
||
|
|
def GetId(self):
|
||
|
|
return new_method_call(self, 'GetId')
|
||
|
|
|
||
|
|
def GetConnectionCredentials(self, name):
|
||
|
|
return new_method_call(self, 'GetConnectionCredentials', 's', (name,))
|
||
|
|
|
||
|
|
message_bus = DBus()
|
||
|
|
|
||
|
|
class Monitoring(MessageGenerator):
|
||
|
|
interface = 'org.freedesktop.DBus.Monitoring'
|
||
|
|
|
||
|
|
def __init__(self, object_path='/org/freedesktop/DBus',
|
||
|
|
bus_name='org.freedesktop.DBus'):
|
||
|
|
super().__init__(object_path=object_path, bus_name=bus_name)
|
||
|
|
|
||
|
|
def BecomeMonitor(self, rules):
|
||
|
|
"""Convert this connection to a monitor connection (advanced)"""
|
||
|
|
return new_method_call(self, 'BecomeMonitor', 'asu', (rules, 0))
|
||
|
|
|
||
|
|
class Stats(MessageGenerator):
|
||
|
|
interface = 'org.freedesktop.DBus.Debug.Stats'
|
||
|
|
|
||
|
|
def __init__(self, object_path='/org/freedesktop/DBus',
|
||
|
|
bus_name='org.freedesktop.DBus'):
|
||
|
|
super().__init__(object_path=object_path, bus_name=bus_name)
|
||
|
|
|
||
|
|
def GetStats(self):
|
||
|
|
return new_method_call(self, 'GetStats')
|
||
|
|
|
||
|
|
def GetConnectionStats(self, arg0):
|
||
|
|
return new_method_call(self, 'GetConnectionStats', 's',
|
||
|
|
(arg0,))
|
||
|
|
|
||
|
|
def GetAllMatchRules(self):
|
||
|
|
return new_method_call(self, 'GetAllMatchRules')
|
||
|
|
|
||
|
|
|
||
|
|
class MatchRule:
|
||
|
|
"""Construct a match rule to subscribe to DBus messages.
|
||
|
|
|
||
|
|
e.g.::
|
||
|
|
|
||
|
|
mr = MatchRule(
|
||
|
|
interface='org.freedesktop.DBus',
|
||
|
|
member='NameOwnerChanged',
|
||
|
|
type='signal'
|
||
|
|
)
|
||
|
|
msg = message_bus.AddMatch(mr)
|
||
|
|
# Send this message to subscribe to the signal
|
||
|
|
"""
|
||
|
|
def __init__(self, *, type=None, sender=None, interface=None, member=None,
|
||
|
|
path=None, path_namespace=None, destination=None,
|
||
|
|
eavesdrop=False):
|
||
|
|
if isinstance(type, str):
|
||
|
|
type = MessageType[type]
|
||
|
|
self.message_type = type
|
||
|
|
fields = {
|
||
|
|
'sender': sender,
|
||
|
|
'interface': interface,
|
||
|
|
'member': member,
|
||
|
|
'path': path,
|
||
|
|
'destination': destination,
|
||
|
|
}
|
||
|
|
self.header_fields = {
|
||
|
|
k: v for (k, v) in fields.items() if (v is not None)
|
||
|
|
}
|
||
|
|
self.path_namespace = path_namespace
|
||
|
|
self.eavesdrop = eavesdrop
|
||
|
|
self.arg_conditions = {}
|
||
|
|
|
||
|
|
def add_arg_condition(self, argno: int, value: str, kind='string'):
|
||
|
|
"""Add a condition for a particular argument
|
||
|
|
|
||
|
|
argno: int, 0-63
|
||
|
|
kind: 'string', 'path', 'namespace'
|
||
|
|
"""
|
||
|
|
if kind not in {'string', 'path', 'namespace'}:
|
||
|
|
raise ValueError("kind={!r}".format(kind))
|
||
|
|
if kind == 'namespace' and argno != 0:
|
||
|
|
raise ValueError("argno must be 0 for kind='namespace'")
|
||
|
|
self.arg_conditions[argno] = (value, kind)
|
||
|
|
|
||
|
|
def serialise(self) -> str:
|
||
|
|
"""Convert to a string to use in an AddMatch call to the message bus"""
|
||
|
|
pairs = list(self.header_fields.items())
|
||
|
|
|
||
|
|
if self.message_type:
|
||
|
|
pairs.append(('type', self.message_type.name))
|
||
|
|
|
||
|
|
if self.eavesdrop:
|
||
|
|
pairs.append(('eavesdrop', 'true'))
|
||
|
|
|
||
|
|
for argno, (val, kind) in self.arg_conditions.items():
|
||
|
|
if kind == 'string':
|
||
|
|
kind = ''
|
||
|
|
pairs.append((f'arg{argno}{kind}', val))
|
||
|
|
|
||
|
|
# Quoting rules: single quotes ('') needed if the value contains a comma.
|
||
|
|
# A literal ' can only be represented outside single quotes, by
|
||
|
|
# backslash-escaping it. No escaping inside the quotes.
|
||
|
|
# The simplest way to handle this is to use '' around every value, and
|
||
|
|
# use '\'' (end quote, escaped ', restart quote) for literal ' .
|
||
|
|
return ','.join(
|
||
|
|
"{}='{}'".format(k, v.replace("'", r"'\''")) for (k, v) in pairs
|
||
|
|
)
|
||
|
|
|
||
|
|
def matches(self, msg: Message) -> bool:
|
||
|
|
"""Returns True if msg matches this rule"""
|
||
|
|
h = msg.header
|
||
|
|
if (self.message_type is not None) and h.message_type != self.message_type:
|
||
|
|
return False
|
||
|
|
|
||
|
|
for field, expected in self.header_fields.items():
|
||
|
|
if h.fields.get(HeaderFields[field], None) != expected:
|
||
|
|
return False
|
||
|
|
|
||
|
|
if self.path_namespace is not None:
|
||
|
|
path = h.fields.get(HeaderFields.path, '\0')
|
||
|
|
path_ns = self.path_namespace.rstrip('/')
|
||
|
|
if not ((path == path_ns) or path.startswith(path_ns + '/')):
|
||
|
|
return False
|
||
|
|
|
||
|
|
for argno, (expected, kind) in self.arg_conditions.items():
|
||
|
|
if argno >= len(msg.body):
|
||
|
|
return False
|
||
|
|
arg = msg.body[argno]
|
||
|
|
if not isinstance(arg, str):
|
||
|
|
return False
|
||
|
|
if kind == 'string':
|
||
|
|
if arg != expected:
|
||
|
|
return False
|
||
|
|
elif kind == 'path':
|
||
|
|
if not (
|
||
|
|
(arg == expected)
|
||
|
|
or (expected.endswith('/') and arg.startswith(expected))
|
||
|
|
or (arg.endswith('/') and expected.startswith(arg))
|
||
|
|
):
|
||
|
|
return False
|
||
|
|
elif kind == 'namespace':
|
||
|
|
if not (
|
||
|
|
(arg == expected)
|
||
|
|
or arg.startswith(expected + '.')
|
||
|
|
):
|
||
|
|
return False
|
||
|
|
|
||
|
|
return True
|