#!/usr/bin/env python

from __future__ import print_function

import sys

import gi
from gi.repository import GLib

try:
    gi.require_version("NM", "1.0")
    from gi.repository import NM
except Exception as e:
    print("Cannot load gi.NM: %s" % (str(e)))
    sys.exit(77)

import os
import dbus
import dbus.service
import dbus.mainloop.glib
import random
import uuid
import hashlib
import socket
import collections

###############################################################################

_DEFAULT_ARG = object()

###############################################################################


class Global:
    pass


gl = None

###############################################################################


class TestError(AssertionError):
    def __init__(self, message="Unspecified error", errors=None):
        AssertionError.__init__(self, message)
        self.errors = errors


###############################################################################


class Util:

    PY3 = sys.version_info[0] == 3

    @staticmethod
    def g_source_remove(source_id):
        if source_id is not None:
            GLib.source_remove(source_id)

    @staticmethod
    def addr_family_check(family, allow_af_unspec=False):
        if family == socket.AF_INET:
            return
        if family == socket.AF_INET6:
            return
        if allow_af_unspec and family == socket.AF_UNSPEC:
            return
        raise TestError("invalid address family %s" % (family))

    @staticmethod
    def ip_addr_pton(addr, family=None):
        if addr is None:
            return (None, None)
        if family is not None and family is not socket.AF_UNSPEC:
            Util.addr_family_check(family)
            a = socket.inet_pton(family, addr)
        else:
            a = None
            family = None
            try:
                a = socket.inet_pton(socket.AF_INET, addr)
                family = socket.AF_INET
            except:
                a = socket.inet_pton(socket.AF_INET6, addr)
                family = socket.AF_INET6
        if Util.PY3:
            a = tuple([int(c) for c in a])
        else:
            a = tuple([ord(c) for c in a])
        return (a, family)

    @staticmethod
    def ip_addr_ntop(addr, family=None):
        if Util.PY3:
            a = bytes(addr)
        else:
            a = "".join([chr(c) for c in addr])
        if len(a) == 4:
            f = socket.AF_INET
        elif len(a) == 16:
            f = socket.AF_INET6
        else:
            raise TestError("Invalid binary IP address '%s'" % (repr(addr)))
        if family is not None and f != family:
            raise TestError(
                "Unexpected address family. Expected %s but ip address was %s"
                % (family, repr(addr))
            )
        return socket.inet_ntop(f, a)

    @staticmethod
    def ip_addr_norm(addr, family=None):
        a, family = Util.ip_addr_pton(addr, family)
        return (Util.ip_addr_ntop(a, family), family)

    @staticmethod
    def ip4_addr_be32(addr):
        # return the IPv4 address as 32 bit integer in network byte order
        # (big endian).
        a, family = Util.ip_addr_pton(addr, socket.AF_INET)
        n = 0
        for i in range(4):
            n = (n << 8) + a[i]
        return socket.htonl(n)

    @staticmethod
    def ip6_addr_ay(addr):
        return Util.ip_addr_pton(addr, socket.AF_INET6)[0]

    @staticmethod
    def ip_net_parse(net, family=None):
        parts = net.split("/")
        if len(parts) != 2:
            raise TestError(
                "Invalid IP network '%s' has not '/' for the prefix length" % (net)
            )
        prefix = int(parts[1])
        addr, family = Util.ip_addr_norm(parts[0], family)
        if family == socket.AF_INET:
            if prefix < 0 or prefix > 32:
                raise TestError("Invalid prefix length for IPv4 address '%s'" % (net))
        else:
            if prefix < 0 or prefix > 128:
                raise TestError("Invalid prefix length for IPv4 address '%s'" % (net))
        return (addr, prefix, family)

    class RandomSeed:
        def __init__(self, seed):
            self.cnt = 0
            self.seed = str(seed)

        def _next(self):
            c = self.cnt
            self.cnt += 1
            return self.seed + "-" + str(c)

        @staticmethod
        def wrap(seed):
            if seed is None:
                return None
            if isinstance(seed, Util.RandomSeed):
                return seed
            return Util.RandomSeed(seed)

        @staticmethod
        def get(seed, extra_seed=None):
            if seed is None:
                return None
            if isinstance(seed, Util.RandomSeed):
                seed = seed._next()
            else:
                seed = str(seed)
            if extra_seed is None:
                try:
                    extra_seed = Util.RandomSeed._extra_seed
                except:
                    extra_seed = os.environ.get(
                        "NM_TEST_NETWORKMANAGER_SERVICE_SEED", ""
                    )
                    Util.RandomSeed._extra_seed = extra_seed
            return extra_seed + seed

    @staticmethod
    def random_stream(seed, length=None):
        seed = Util.RandomSeed.wrap(seed)
        # generates a stream of integers, in the range [0..255]
        if seed is None:
            # without a seed, we generate new random numbers.
            while length is None or length > 0:
                yield random.randint(0, 255)
                if length is not None:
                    length -= 1
            return
        v = None
        while length is None or length > 0:
            if not v:
                s = Util.RandomSeed.get(seed)
                s = s.encode("utf8")
                v = hashlib.sha256(s).hexdigest()
            yield int(v[0:2], 16)
            v = v[2:]
            if length is not None:
                length -= 1

    @staticmethod
    def random_int(seed, v_start=_DEFAULT_ARG, v_end=_DEFAULT_ARG):
        # - if neither start not end is give, return a number in the range
        #   u32 range [0, 0xFFFFFFFF]
        # - if only start is given (the first argument), interpret it as
        #   the range of the interval. That is, return random number in
        #   range [0, start-1]
        # - if end and start is given, return a random number with this
        #   range (inclusive!): [start, end]
        if v_end is _DEFAULT_ARG:
            # if only one edge is provided (no v_end), then the range
            # is [0, v_start[. That is, random_int(seed, 5), returns
            # values from 0 to 4.
            if v_start is _DEFAULT_ARG:
                # by default, return a 32u integer.
                v_end = 0x100000000
            else:
                v_end = v_start
            v_start = 0
        else:
            if v_start is _DEFAULT_ARG:
                raise TestError("Cannot specify end without start")
            # if a full range is provided, v_end is included.
            # random_int(seed, 0, 4) returns values from 0 to 4.
            v_end += 1
        n = 0
        span = v_end - v_start
        assert span > 0
        for r in Util.random_stream(seed):
            n = n * 256 + r
            if n > span:
                break
        return v_start + (n % span)

    @staticmethod
    def random_bool(seed):
        return Util.random_int(seed, 0, 1) == 1

    @staticmethod
    def random_subset(seed, all_set):
        all_set = list(all_set)
        result = []
        seed = Util.RandomSeed.wrap(seed)
        for i in list(
            range(Util.random_int(Util.RandomSeed.get(seed), len(all_set) + 1))
        ):
            idx = Util.random_int(Util.RandomSeed.get(seed), len(all_set))
            result.append(all_set[idx])
            del all_set[idx]
        return result

    @staticmethod
    def random_mac(seed):
        return "%02X:%02X:%02X:%02X:%02X:%02X" % tuple(Util.random_stream(seed, 6))

    @staticmethod
    def random_ip(seed, net=None, family=None):
        if net is not None:
            mask, prefix, family = Util.ip_net_parse(net, family)
            a_mask, unused = Util.ip_addr_pton(mask, family)
        else:
            prefix = None
            Util.addr_family_check(family)
        if family == socket.AF_INET:
            l = 4
        else:
            l = 16
        a = tuple(Util.random_stream(seed, l))
        if prefix is not None:
            a2 = []
            for i in range(l):
                if prefix == 0:
                    c = a[i]
                elif prefix >= 8:
                    c = a_mask[i]
                    prefix -= 8
                else:
                    c = 0xFF & (0xFF << (8 - prefix))
                    c = (a[i] & ~c) | (a_mask[i] & c)
                    prefix = 0
                a2.append(c)
            a = tuple(a2)
        return (Util.ip_addr_ntop(a, family), family)

    @staticmethod
    def eprint(*args, **kwargs):
        print(*args, file=sys.stderr, **kwargs)

    @staticmethod
    def variant_from_dbus(val):
        if isinstance(val, (dbus.String, str)):
            return GLib.Variant("s", str(val))
        if isinstance(val, dbus.UInt32):
            return GLib.Variant("u", int(val))
        if isinstance(val, dbus.UInt64):
            return GLib.Variant("t", int(val))
        if isinstance(val, dbus.Int32):
            return GLib.Variant("i", int(val))
        if isinstance(val, dbus.Boolean):
            return GLib.Variant("b", bool(val))
        if isinstance(val, dbus.Byte):
            return GLib.Variant("y", int(val))
        if isinstance(val, dbus.Array):
            try:
                if val.signature == "s":
                    return GLib.Variant("as", [Util.variant_from_dbus(x) for x in val])
                if val.signature == "b":
                    return GLib.Variant("ab", [Util.variant_from_dbus(x) for x in val])
                if val.signature == "y":
                    return GLib.Variant("ay", [int(x) for x in val])
                if val.signature == "u":
                    return GLib.Variant("au", [int(x) for x in val])
                if val.signature == "ay":
                    return GLib.Variant("aay", [Util.variant_from_dbus(x) for x in val])
                if val.signature == "au":
                    return GLib.Variant("aau", [Util.variant_from_dbus(x) for x in val])
                if val.signature == "a{sv}":
                    return GLib.Variant(
                        "aa{sv}",
                        [
                            collections.OrderedDict(
                                [
                                    (str(k), Util.variant_from_dbus(v))
                                    for k, v in addr.items()
                                ]
                            )
                            for addr in val
                        ],
                    )
                if val.signature == "(ayuay)":
                    return GLib.Variant(
                        "a(ayuay)", [Util.variant_from_dbus(x) for x in val]
                    )
                if val.signature == "(ayuayu)":
                    return GLib.Variant(
                        "a(ayuayu)", [Util.variant_from_dbus(x) for x in val]
                    )
            except Exception as e:
                raise Exception(
                    "Cannot convert array element to type '%s': %s"
                    % (val.signature, e.message)
                )
        if isinstance(val, dbus.Dictionary):
            if val.signature == "ss":
                return GLib.Variant(
                    "a{ss}",
                    collections.OrderedDict([(str(k), str(v)) for k, v in val.items()]),
                )
            if val.signature == "sv":
                return GLib.Variant(
                    "a{sv}",
                    collections.OrderedDict(
                        [(str(k), Util.variant_from_dbus(v)) for k, v in val.items()]
                    ),
                )
            if val.signature == "sa{sv}":
                c = collections.OrderedDict(
                    [
                        (
                            str(key1),
                            collections.OrderedDict(
                                [
                                    (str(key2), Util.variant_from_dbus(arr2))
                                    for key2, arr2 in arr1.items()
                                ]
                            ),
                        )
                        for key1, arr1 in val.items()
                    ]
                )
                return GLib.Variant("a{sa{sv}}", c)

        raise Exception("Unsupported type for value '%s'" % (repr(val)))


###############################################################################

IFACE_DBUS = "org.freedesktop.DBus"
IFACE_OBJECT_MANAGER = "org.freedesktop.DBus.ObjectManager"
IFACE_CONNECTION = "org.freedesktop.NetworkManager.Settings.Connection"
IFACE_DEVICE = "org.freedesktop.NetworkManager.Device"
IFACE_WIFI = "org.freedesktop.NetworkManager.Device.Wireless"
IFACE_TEST = "org.freedesktop.NetworkManager.LibnmGlibTest"
IFACE_NM = "org.freedesktop.NetworkManager"
IFACE_SETTINGS = "org.freedesktop.NetworkManager.Settings"
IFACE_AGENT_MANAGER = "org.freedesktop.NetworkManager.AgentManager"
IFACE_AGENT = "org.freedesktop.NetworkManager.SecretAgent"
IFACE_WIRED = "org.freedesktop.NetworkManager.Device.Wired"
IFACE_MODEM = "org.freedesktop.NetworkManager.Device.Modem"
IFACE_VLAN = "org.freedesktop.NetworkManager.Device.Vlan"
IFACE_WIFI_AP = "org.freedesktop.NetworkManager.AccessPoint"
IFACE_ACTIVE_CONNECTION = "org.freedesktop.NetworkManager.Connection.Active"
IFACE_VPN_CONNECTION = "org.freedesktop.NetworkManager.VPN.Connection"
IFACE_DNS_MANAGER = "org.freedesktop.NetworkManager.DnsManager"
IFACE_IP4_CONFIG = "org.freedesktop.NetworkManager.IP4Config"
IFACE_IP6_CONFIG = "org.freedesktop.NetworkManager.IP6Config"
IFACE_DHCP4_CONFIG = "org.freedesktop.NetworkManager.DHCP4Config"
IFACE_DHCP6_CONFIG = "org.freedesktop.NetworkManager.DHCP6Config"

###############################################################################


class BusErr:
    class UnknownInterfaceException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.UnknownInterface".format(IFACE_DBUS)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class UnknownPropertyException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.UnknownProperty".format(IFACE_DBUS)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class InvalidPropertyException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.InvalidProperty".format(IFACE_CONNECTION)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class MissingPropertyException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.MissingProperty".format(IFACE_CONNECTION)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class InvalidSettingException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.InvalidSetting".format(IFACE_CONNECTION)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class MissingSettingException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.MissingSetting".format(IFACE_CONNECTION)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class NotSoftwareException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.NotSoftware".format(IFACE_DEVICE)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class ApNotFoundException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.AccessPointNotFound".format(IFACE_WIFI)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class PermissionDeniedException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.PermissionDenied".format(IFACE_NM)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class UnknownDeviceException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.UnknownDevice".format(IFACE_NM)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class UnknownConnectionException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.UnknownConnection".format(IFACE_NM)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class InvalidHostnameException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.InvalidHostname".format(IFACE_SETTINGS)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class NoSecretsException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.NoSecrets".format(IFACE_AGENT_MANAGER)
            dbus.DBusException.__init__(self, *args, **kwargs)

    class UserCanceledException(dbus.DBusException):
        def __init__(self, *args, **kwargs):
            self._dbus_error_name = "{}.UserCanceled".format(IFACE_AGENT_MANAGER)
            dbus.DBusException.__init__(self, *args, **kwargs)

    @staticmethod
    def from_nmerror(e):
        try:
            domain, code = (e.domain, e.code)
        except:
            return None
        if domain == GLib.quark_to_string(NM.ConnectionError.quark()):
            if code == NM.ConnectionError.MISSINGSETTING:
                return BusErr.MissingSettingException(e.message)
            if code == NM.ConnectionError.INVALIDPROPERTY:
                return BusErr.InvalidPropertyException(e.message)
        return None

    @staticmethod
    def raise_nmerror(e):
        e2 = BusErr.from_nmerror(e)
        if e2 is not None:
            raise e2
        raise e


###############################################################################


class NmUtil:
    @staticmethod
    def con_hash_to_connection(con_hash, do_verify=False, do_normalize=False):

        x_con = []
        for v_setting_name, v_setting in list(con_hash.items()):
            if isinstance(v_setting_name, (dbus.String, str)):
                v_setting_name = str(v_setting_name)
            else:
                raise Exception(
                    "Expected string dict, but got '%s' key" % (v_setting_name)
                )
            x_setting = []
            for v_property_name, v_value in list(v_setting.items()):
                if isinstance(v_property_name, (dbus.String, str)):
                    v_property_name = str(v_property_name)
                else:
                    raise Exception(
                        "Expected string dict, but got '%s' subkey under %s (%s)"
                        % (v_property_name, v_setting_name, repr(con_hash))
                    )
                try:
                    v = Util.variant_from_dbus(v_value)
                except Exception as e:
                    raise Exception(
                        "Unsupported value %s.%s = %s (%s)"
                        % (v_setting_name, v_property_name, v_value, str(e))
                    )
                x_setting.append((v_property_name, v))

            x_con.append((v_setting_name, collections.OrderedDict(x_setting)))

        x_con = GLib.Variant("a{sa{sv}}", collections.OrderedDict(x_con))

        assert GLib.Variant.equal(x_con, Util.variant_from_dbus(con_hash))

        try:
            con = NM.SimpleConnection.new_from_dbus(x_con)
        except:
            if do_verify:
                raise
            return None

        if do_normalize:
            try:
                con.normalize()
            except:
                if do_verify:
                    raise

        if do_verify:
            con.verify()

        return con

    @staticmethod
    def con_hash_verify(con_hash, do_verify_strict=True):
        if NM.SETTING_CONNECTION_SETTING_NAME not in con_hash:
            raise BusErr.MissingSettingException("connection: setting is required")
        s_con = con_hash[NM.SETTING_CONNECTION_SETTING_NAME]
        if NM.SETTING_CONNECTION_TYPE not in s_con:
            raise BusErr.MissingPropertyException(
                "connection.type: property is required"
            )
        if NM.SETTING_CONNECTION_UUID not in s_con:
            raise BusErr.MissingPropertyException(
                "connection.uuid: property is required"
            )
        if NM.SETTING_CONNECTION_ID not in s_con:
            raise BusErr.MissingPropertyException("connection.id: property is required")

        if not do_verify_strict:
            return
        t = s_con[NM.SETTING_CONNECTION_TYPE]
        if t not in [
            NM.SETTING_GSM_SETTING_NAME,
            NM.SETTING_VLAN_SETTING_NAME,
            NM.SETTING_VPN_SETTING_NAME,
            NM.SETTING_WIMAX_SETTING_NAME,
            NM.SETTING_WIRED_SETTING_NAME,
            NM.SETTING_WIRELESS_SETTING_NAME,
        ]:
            raise BusErr.InvalidPropertyException(
                'connection.type: unsupported connection type "%s"' % (t)
            )

        try:
            con_nm = NmUtil.con_hash_to_connection(
                con_hash, do_verify=True, do_normalize=True
            )
        except Exception as e:
            BusErr.raise_nmerror(e)

    @staticmethod
    def con_hash_get_id(con_hash):
        if NM.SETTING_CONNECTION_SETTING_NAME in con_hash:
            s_con = con_hash[NM.SETTING_CONNECTION_SETTING_NAME]
            if NM.SETTING_CONNECTION_ID in s_con:
                return s_con[NM.SETTING_CONNECTION_ID]
        return None

    @staticmethod
    def con_hash_get_uuid(con_hash):
        if NM.SETTING_CONNECTION_SETTING_NAME in con_hash:
            s_con = con_hash[NM.SETTING_CONNECTION_SETTING_NAME]
            if NM.SETTING_CONNECTION_UUID in s_con:
                return s_con[NM.SETTING_CONNECTION_UUID]
        return None

    @staticmethod
    def con_hash_get_type(con_hash):
        if NM.SETTING_CONNECTION_SETTING_NAME in con_hash:
            s_con = con_hash[NM.SETTING_CONNECTION_SETTING_NAME]
            if NM.SETTING_CONNECTION_TYPE in s_con:
                return s_con[NM.SETTING_CONNECTION_TYPE]
        return None


###############################################################################


class ExportedObj(dbus.service.Object):

    DBusInterface = collections.namedtuple("DBusInterface", ["dbus_iface", "props"])

    @staticmethod
    def create_path(klass, path_prefix=None):
        if path_prefix is None:
            path_prefix = klass.path_prefix
        path = path_prefix + str(klass.path_counter_next)
        klass.path_counter_next += 1
        return path

    @staticmethod
    def to_path_array(src):
        return dbus.Array(
            [ExportedObj.to_path(o) for o in src] if src else [],
            signature=dbus.Signature("o"),
        )

    @staticmethod
    def to_path(src):
        if src:
            return dbus.ObjectPath(src.path)
        return dbus.ObjectPath("/")

    def __init__(self, object_path, ident=None):
        dbus.service.Object.__init__(self)

        self._dbus_ifaces = {}
        self.path = object_path

        # ident is an optional (unique) identifier for the instance.
        # The test driver may set it to reference to the object by
        # this identifier. For NetworkManager, the real ID of an
        # object on D-Bus is the object_path. But that is generated
        # by the stub server only after the test user created the
        # object. The ident parameter may be specified by the user
        # and thus can be hard-coded in the test.
        if ident is None:
            ident = object_path
        self.ident = ident

    def export(self):
        self.add_to_connection(gl.bus, self.path)
        gl.object_manager.add_object(self)

    def unexport(self):
        gl.object_manager.remove_object(self)
        self.remove_from_connection()

    def dbus_interface_add(self, dbus_iface, props):
        self._dbus_ifaces[dbus_iface] = ExportedObj.DBusInterface(dbus_iface, props)

    def _dbus_interface_get(self, dbus_iface):
        if dbus_iface not in self._dbus_ifaces:
            raise BusErr.UnknownInterfaceException()
        return self._dbus_ifaces[dbus_iface]

    def _dbus_interface_get_property(self, dbus_interface, propname=None):
        props = dbus_interface.props
        if propname is None:
            return props
        if propname not in props:
            raise BusErr.UnknownPropertyException()
        return props[propname]

    def _dbus_property_get(self, dbus_iface, propname=None):
        return self._dbus_interface_get_property(
            self._dbus_interface_get(dbus_iface), propname
        )

    def _dbus_property_set(
        self,
        dbus_iface,
        propname,
        value,
        allow_detect_dbus_iface=False,
        dry_run=False,
        force_update=False,
    ):
        if allow_detect_dbus_iface and not dbus_iface:
            props = None
            for p, dbus_interface in self._dbus_ifaces.items():
                if propname in dbus_interface.props:
                    if props is not None:
                        raise TestError(
                            "Cannot uniquely find the property '%s' on object '%s'"
                            % (propname, self.path)
                        )
                    props = dbus_interface.props
                    dbus_iface = p
            if props is None:
                raise TestError(
                    "Cannot find the property '%s' on object '%s'"
                    % (propname, self.path)
                )
        else:
            try:
                dbus_interface = self._dbus_interface_get(dbus_iface)
                props = self._dbus_interface_get_property(dbus_interface)
            except:
                if dry_run:
                    raise TestError(
                        "No interface '%s' on '%s'" % (dbus_iface, self.path)
                    )
                raise

        if dry_run:
            if propname not in props:
                raise TestError(
                    "No property '%s' on '%s' on '%s'"
                    % (propname, dbus_iface, self.path)
                )

            permission_granted = False

            if isinstance(self, ActiveConnection):
                if dbus_iface == IFACE_ACTIVE_CONNECTION:
                    if propname == PRP_ACTIVE_CONNECTION_STATE:
                        permission_granted = True
                elif dbus_iface == IFACE_VPN_CONNECTION:
                    if propname == PRP_VPN_CONNECTION_VPN_STATE:
                        permission_granted = True

            if not permission_granted:
                raise TestError(
                    "Cannot set property '%s' on '%s' on '%s' via D-Bus"
                    % (propname, dbus_iface, self.path)
                )

            return

        assert propname in props

        if not force_update:
            if props[propname] == value:
                return

        props[propname] = value
        self._dbus_property_notify(dbus_iface, propname)

    def _dbus_property_notify(self, dbus_iface, propname):
        dbus_interface = self._dbus_interface_get(dbus_iface)
        prop = self._dbus_interface_get_property(dbus_interface, propname)
        if propname is not None:
            prop = {propname: prop}
        ExportedObj.PropertiesChanged(self, dbus_iface, prop, [])

    @dbus.service.signal(dbus.PROPERTIES_IFACE, signature="sa{sv}as")
    def PropertiesChanged(self, iface, changed, invalidated):
        pass

    @dbus.service.method(
        dbus_interface=dbus.PROPERTIES_IFACE, in_signature="s", out_signature="a{sv}"
    )
    def GetAll(self, dbus_iface):
        return self._dbus_property_get(dbus_iface)

    @dbus.service.method(
        dbus_interface=dbus.PROPERTIES_IFACE, in_signature="ss", out_signature="v"
    )
    def Get(self, dbus_iface, name):
        return self._dbus_property_get(dbus_iface, name)

    def get_managed_ifaces(self):
        my_ifaces = {}
        for iface in self._dbus_ifaces:
            my_ifaces[iface] = self._dbus_ifaces[iface].props
        return my_ifaces


###############################################################################

PRP_DEVICE_UDI = "Udi"
PRP_DEVICE_IFACE = "Interface"
PRP_DEVICE_IPIFACE = "IpInterface"
PRP_DEVICE_DRIVER = "Driver"
PRP_DEVICE_STATE = "State"
PRP_DEVICE_STATE_REASON = "StateReason"
PRP_DEVICE_ACTIVE_CONNECTION = "ActiveConnection"
PRP_DEVICE_IP4_CONFIG = "Ip4Config"
PRP_DEVICE_IP6_CONFIG = "Ip6Config"
PRP_DEVICE_DHCP4_CONFIG = "Dhcp4Config"
PRP_DEVICE_DHCP6_CONFIG = "Dhcp6Config"
PRP_DEVICE_MANAGED = "Managed"
PRP_DEVICE_AUTOCONNECT = "Autoconnect"
PRP_DEVICE_DEVICE_TYPE = "DeviceType"
PRP_DEVICE_AVAILABLE_CONNECTIONS = "AvailableConnections"
PRP_DEVICE_LLDP_NEIGHBORS = "LldpNeighbors"
PRP_DEVICE_INTERFACE_FLAGS = "InterfaceFlags"


class Device(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/Devices/"

    def __init__(self, iface, devtype, ident=None):

        if ident is None:
            ident = iface

        ExportedObj.__init__(self, ExportedObj.create_path(Device), ident)

        self.ip4_config = None
        self.ip6_config = None
        self.dhcp4_config = None
        self.dhcp6_config = None

        self.prp_state = NM.DeviceState.UNAVAILABLE

        if devtype == NM.DeviceType.MODEM:
            udi = "/org/freedesktop/ModemManager1/Modem/0"
        else:
            udi = "/sys/devices/virtual/%s" % iface

        props = {
            PRP_DEVICE_UDI: udi,
            PRP_DEVICE_IFACE: iface,
            PRP_DEVICE_IPIFACE: iface,
            PRP_DEVICE_DRIVER: "virtual",
            PRP_DEVICE_STATE: dbus.UInt32(self.prp_state),
            PRP_DEVICE_STATE_REASON: dbus.Struct(
                (dbus.UInt32(self.prp_state), dbus.UInt32(NM.DeviceStateReason.NONE))
            ),
            PRP_DEVICE_ACTIVE_CONNECTION: ExportedObj.to_path(None),
            PRP_DEVICE_IP4_CONFIG: ExportedObj.to_path(self.ip4_config),
            PRP_DEVICE_IP6_CONFIG: ExportedObj.to_path(self.ip6_config),
            PRP_DEVICE_DHCP4_CONFIG: ExportedObj.to_path(self.dhcp4_config),
            PRP_DEVICE_DHCP6_CONFIG: ExportedObj.to_path(self.dhcp6_config),
            PRP_DEVICE_MANAGED: True,
            PRP_DEVICE_AUTOCONNECT: True,
            PRP_DEVICE_DEVICE_TYPE: dbus.UInt32(devtype),
            PRP_DEVICE_AVAILABLE_CONNECTIONS: ExportedObj.to_path_array([]),
            PRP_DEVICE_INTERFACE_FLAGS: dbus.UInt32(3),  # up,lower-up
            PRP_DEVICE_LLDP_NEIGHBORS: dbus.Array(
                [
                    dbus.Dictionary(
                        {
                            "chassis-id-type": dbus.UInt32(6),
                            "chassis-id": dbus.String("00:11:22:33:44:00"),
                            "port-id-type": dbus.UInt32(7),
                            "port-id": dbus.String("Uplink port"),
                            "port-description": dbus.String("GigabitEthernet #1"),
                            "system-name": dbus.String("test1.example.com"),
                            "system-description": dbus.String("Test system #1"),
                            "system-capabilities": dbus.UInt32(20),
                            "destination": dbus.String("nearest-bridge"),
                        }
                    ),
                    dbus.Dictionary(
                        {
                            "chassis-id-type": dbus.UInt32(2),
                            "chassis-id": dbus.String("chassis1"),
                            "port-id-type": dbus.UInt32(3),
                            "port-id": dbus.String("44:44:44:44:44:44"),
                            "port-description": dbus.String("GigabitEthernet #2"),
                            "system-name": dbus.String("test2.example.com"),
                            "system-description": dbus.String("Test system #2"),
                            "system-capabilities": dbus.UInt32(2047),
                            "destination": dbus.String("nearest-non-tpmr-bridge"),
                            "ieee-802-1-vlans": dbus.Array(
                                [
                                    dbus.Dictionary(
                                        {
                                            "vid": dbus.UInt32(80),
                                            "name": dbus.String("vlan80"),
                                        },
                                        signature="sv",
                                    ),
                                    dbus.Dictionary(
                                        {
                                            "vid": dbus.UInt32(4000),
                                            "name": dbus.String("My VLAN"),
                                        },
                                        signature="sv",
                                    ),
                                ]
                            ),
                            "ieee-802-1-ppvids": dbus.Array(
                                [
                                    dbus.Dictionary(
                                        {
                                            "ppvid": dbus.UInt32(4),
                                            "flags": dbus.UInt32(0x12),
                                        },
                                        signature="sv",
                                    ),
                                    dbus.Dictionary(
                                        {
                                            "ppvid": dbus.UInt32(10),
                                            "flags": dbus.UInt32(0x31),
                                        },
                                        signature="sv",
                                    ),
                                ]
                            ),
                        }
                    ),
                    dbus.Dictionary(
                        {
                            "chassis-id-type": dbus.UInt32(6),
                            "chassis-id": dbus.String("00:11:22:33:44:22"),
                            "port-id-type": dbus.UInt32(1),
                            "port-id": dbus.String("port1"),
                            "port-description": dbus.String("GigabitEthernet #3"),
                            "system-name": dbus.String("test3.example.com"),
                            "system-description": dbus.String("Test system #3"),
                            "system-capabilities": dbus.UInt32(40),
                            "destination": dbus.String("nearest-customer-bridge"),
                            "management-addresses": dbus.Array(
                                [
                                    dbus.Dictionary(
                                        {
                                            "address-subtype": dbus.UInt32(1),
                                            "address": dbus.ByteArray(
                                                b"\xc0\xa8\x01\x01"
                                            ),
                                            "interface-number": dbus.UInt32(4),
                                            "interface-number-subtype": dbus.UInt32(3),
                                            "object-id": dbus.ByteArray(
                                                b"\x01\x02\x03\x04"
                                            ),
                                        },
                                        signature="sv",
                                    ),
                                    dbus.Dictionary(
                                        {
                                            "address-subtype": dbus.UInt32(2),
                                            "address": dbus.ByteArray(
                                                b"\xfd\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x12\x34\x56\x78"
                                            ),
                                            "interface-number": dbus.UInt32(1),
                                            "interface-number-subtype": dbus.UInt32(2),
                                        },
                                        signature="sv",
                                    ),
                                ]
                            ),
                            "ieee-802-3-mac-phy-conf": dbus.Dictionary(
                                {
                                    "autoneg": dbus.UInt32(3),
                                    "pmd-autoneg-cap": dbus.UInt32(0xFE),
                                    "operational-mau-type": dbus.UInt32(5),
                                },
                                signature="sv",
                            ),
                            "ieee-802-3-power-via-mdi": dbus.Dictionary(
                                {
                                    "mdi-power-support": dbus.UInt32(7),
                                    "pse-power-pair": dbus.UInt32(6),
                                    "power-class": dbus.UInt32(1),
                                },
                                signature="sv",
                            ),
                        }
                    ),
                ],
                "a{sv}",
            ),
        }

        self.dbus_interface_add(IFACE_DEVICE, props)

    def start(self):
        self.ip4_config = IP4Config()
        self._dbus_property_set(
            IFACE_DEVICE, PRP_DEVICE_IP4_CONFIG, ExportedObj.to_path(self.ip4_config)
        )
        self.ip6_config = IP6Config()
        self._dbus_property_set(
            IFACE_DEVICE, PRP_DEVICE_IP6_CONFIG, ExportedObj.to_path(self.ip6_config)
        )
        self.dhcp4_config = Dhcp4Config()
        self._dbus_property_set(
            IFACE_DEVICE,
            PRP_DEVICE_DHCP4_CONFIG,
            ExportedObj.to_path(self.dhcp4_config),
        )
        self.dhcp6_config = Dhcp6Config()
        self._dbus_property_set(
            IFACE_DEVICE,
            PRP_DEVICE_DHCP6_CONFIG,
            ExportedObj.to_path(self.dhcp6_config),
        )

    def stop(self):
        self._dbus_property_set(
            IFACE_DEVICE, PRP_DEVICE_IP4_CONFIG, ExportedObj.to_path(None)
        )
        if self.ip4_config is not None:
            self.ip4_config.unexport()
            self.ip4_config = None
        self._dbus_property_set(
            IFACE_DEVICE, PRP_DEVICE_IP6_CONFIG, ExportedObj.to_path(None)
        )
        if self.ip6_config is not None:
            self.ip6_config.unexport()
            self.ip6_config = None
        self._dbus_property_set(
            IFACE_DEVICE, PRP_DEVICE_DHCP4_CONFIG, ExportedObj.to_path(None)
        )
        if self.dhcp4_config is not None:
            self.dhcp4_config.unexport()
            self.dhcp4_config = None
        self._dbus_property_set(
            IFACE_DEVICE, PRP_DEVICE_DHCP6_CONFIG, ExportedObj.to_path(None)
        )
        if self.dhcp6_config is not None:
            self.dhcp6_config.unexport()
            self.dhcp6_config = None

    @dbus.service.method(dbus_interface=IFACE_DEVICE, in_signature="", out_signature="")
    def Disconnect(self):
        pass

    @dbus.service.method(dbus_interface=IFACE_DEVICE, in_signature="", out_signature="")
    def Delete(self):
        # We don't currently support any software device types, so...
        raise BusErr.NotSoftwareException()
        pass

    @dbus.service.signal(IFACE_DEVICE, signature="uuu")
    def StateChanged(self, new_state, old_state, reason):
        pass

    def set_state(self, state, reason):
        # libnm is plugged on notify::state-reason and not on state-changed dbus signal
        # so we must simulate the change of property to emit a state-changed signal on libnm
        self._dbus_property_set(IFACE_DEVICE, PRP_NM_STATE, dbus.UInt32(state))
        self._dbus_property_set(
            IFACE_DEVICE,
            PRP_DEVICE_STATE_REASON,
            (dbus.UInt32(state), dbus.UInt32(reason)),
        )
        old_state = self.prp_state
        self.prp_state = state
        self.StateChanged(
            dbus.UInt32(self.prp_state), dbus.UInt32(old_state), dbus.UInt32(reason)
        )

    def set_carrier_status(self, carrier_status):
        self._dbus_property_set(IFACE_WIRED, PRP_WIRED_CARRIER, carrier_status)

    def set_active_connection(self, ac):
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_ACTIVE_CONNECTION, ac)

    def connection_is_available(self, con_inst):
        if con_inst.is_vpn():
            return False
        if isinstance(self, WiredDevice):
            if con_inst.get_type() == NM.SETTING_WIRED_SETTING_NAME:
                return True
        elif isinstance(self, WifiDevice):
            if con_inst.get_type() == NM.SETTING_WIRELESS_SETTING_NAME:
                return True
        return False

    def available_connections_get(self):
        return [
            c for c in gl.settings.get_connections() if self.connection_is_available(c)
        ]

    def available_connections_update(self):
        self._dbus_property_set(
            IFACE_DEVICE,
            PRP_DEVICE_AVAILABLE_CONNECTIONS,
            ExportedObj.to_path_array(self.available_connections_get()),
        )

    @dbus.service.method(IFACE_TEST, in_signature="", out_signature="")
    def Start(self):
        self.start()

    @dbus.service.method(IFACE_TEST, in_signature="", out_signature="")
    def Stop(self):
        self.stop()


###############################################################################

PRP_WIRED_HW_ADDRESS = "HwAddress"
PRP_WIRED_PERM_HW_ADDRESS = "PermHwAddress"
PRP_WIRED_SPEED = "Speed"
PRP_WIRED_CARRIER = "Carrier"
PRP_WIRED_S390_SUBCHANNELS = "S390Subchannels"


class WiredDevice(Device):
    def __init__(self, iface, mac=None, subchannels=None, ident=None):
        Device.__init__(self, iface, NM.DeviceType.ETHERNET, ident)

        if mac is None:
            mac = Util.random_mac(self.ident)
        if subchannels is None:
            subchannels = dbus.Array(signature="s")

        props = {
            PRP_WIRED_HW_ADDRESS: mac,
            PRP_WIRED_PERM_HW_ADDRESS: mac,
            PRP_WIRED_SPEED: dbus.UInt32(100),
            PRP_WIRED_CARRIER: True,
            PRP_WIRED_S390_SUBCHANNELS: subchannels,
        }

        self.dbus_interface_add(IFACE_WIRED, props)


###############################################################################
PM_CURRENT_CAPABILITIES = "CurrentCapabilities"
PM_MODEM_CAPABILITIES = "ModemCapabilities"

# capability to make device seen compatible with GSM connection
NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS = 0x00000004


class ModemDevice(Device):
    def __init__(self, iface):
        Device.__init__(self, iface, NM.DeviceType.MODEM)

        props = {
            PM_CURRENT_CAPABILITIES: dbus.UInt32(NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS),
            PM_MODEM_CAPABILITIES: dbus.UInt32(0),
        }

        self.dbus_interface_add(IFACE_MODEM, props)


###############################################################################

PRP_VLAN_HW_ADDRESS = "HwAddress"
PRP_VLAN_CARRIER = "Carrier"
PRP_VLAN_VLAN_ID = "VlanId"


class VlanDevice(Device):
    def __init__(self, iface, ident=None):
        Device.__init__(self, iface, NM.DeviceType.VLAN, ident)

        props = {
            PRP_VLAN_HW_ADDRESS: Util.random_mac(self.ident),
            PRP_VLAN_CARRIER: False,
            PRP_VLAN_VLAN_ID: dbus.UInt32(1),
        }

        self.dbus_interface_add(IFACE_VLAN, props)


###############################################################################

PRP_WIFI_AP_FLAGS = "Flags"
PRP_WIFI_AP_WPA_FLAGS = "WpaFlags"
PRP_WIFI_AP_RSN_FLAGS = "RsnFlags"
PRP_WIFI_AP_SSID = "Ssid"
PRP_WIFI_AP_FREQUENCY = "Frequency"
PRP_WIFI_AP_HW_ADDRESS = "HwAddress"
PRP_WIFI_AP_MODE = "Mode"
PRP_WIFI_AP_MAX_BITRATE = "MaxBitrate"
PRP_WIFI_AP_STRENGTH = "Strength"
PRP_WIFI_AP_LAST_SEEN = "LastSeen"


class WifiAp(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/AccessPoint/"

    def __init__(
        self,
        ssid,
        bssid=None,
        flags=None,
        wpaf=None,
        rsnf=None,
        freq=None,
        strength=None,
        ident=None,
    ):

        ExportedObj.__init__(self, ExportedObj.create_path(WifiAp), ident)

        NM_AP_FLAGS = getattr(NM, "80211ApSecurityFlags")
        if flags is None:
            flags = 0x1
        if wpaf is None:
            wpaf = 0x0
            wpaf = wpaf | NM_AP_FLAGS.PAIR_TKIP
            wpaf = wpaf | NM_AP_FLAGS.PAIR_CCMP
            wpaf = wpaf | NM_AP_FLAGS.GROUP_TKIP
            wpaf = wpaf | NM_AP_FLAGS.GROUP_CCMP
            wpaf = wpaf | NM_AP_FLAGS.KEY_MGMT_PSK
        if rsnf is None:
            rsnf = 0x0
            rsnf = rsnf | NM_AP_FLAGS.PAIR_TKIP
            rsnf = rsnf | NM_AP_FLAGS.PAIR_CCMP
            rsnf = rsnf | NM_AP_FLAGS.GROUP_TKIP
            rsnf = rsnf | NM_AP_FLAGS.GROUP_CCMP
            rsnf = rsnf | NM_AP_FLAGS.KEY_MGMT_PSK
        if freq is None:
            freq = 2412
        if bssid is None:
            bssid = Util.random_mac(self.path)
        if strength is None:
            strength = Util.random_int(self.path, 100)

        self.ssid = ssid

        props = {
            PRP_WIFI_AP_FLAGS: dbus.UInt32(flags),
            PRP_WIFI_AP_WPA_FLAGS: dbus.UInt32(wpaf),
            PRP_WIFI_AP_RSN_FLAGS: dbus.UInt32(rsnf),
            PRP_WIFI_AP_SSID: dbus.ByteArray(self.ssid.encode("utf-8")),
            PRP_WIFI_AP_FREQUENCY: dbus.UInt32(freq),
            PRP_WIFI_AP_HW_ADDRESS: bssid,
            PRP_WIFI_AP_MODE: dbus.UInt32(getattr(NM, "80211Mode").INFRA),
            PRP_WIFI_AP_MAX_BITRATE: dbus.UInt32(54000),
            PRP_WIFI_AP_STRENGTH: dbus.Byte(strength),
            PRP_WIFI_AP_LAST_SEEN: dbus.Int32(NM.utils_get_timestamp_msec() / 1000),
        }

        self.dbus_interface_add(IFACE_WIFI_AP, props)


###############################################################################

PRP_WIFI_HW_ADDRESS = "HwAddress"
PRP_WIFI_PERM_HW_ADDRESS = "PermHwAddress"
PRP_WIFI_MODE = "Mode"
PRP_WIFI_BITRATE = "Bitrate"
PRP_WIFI_ACCESS_POINTS = "AccessPoints"
PRP_WIFI_ACTIVE_ACCESS_POINT = "ActiveAccessPoint"
PRP_WIFI_WIRELESS_CAPABILITIES = "WirelessCapabilities"
PRP_WIFI_LAST_SCAN = "LastScan"


class WifiDevice(Device):
    def __init__(self, iface, mac=None, ident=None):
        Device.__init__(self, iface, NM.DeviceType.WIFI, ident)

        if mac is None:
            mac = Util.random_mac(self.ident)

        self.aps = []
        self.scan_cb_id = None

        # Use a randomly older timestamp to trigger RequestScan() from the client
        ts = max(
            0, NM.utils_get_timestamp_msec() - Util.random_int(self.path, 20000, 40000)
        )

        props = {
            PRP_WIFI_HW_ADDRESS: mac,
            PRP_WIFI_PERM_HW_ADDRESS: mac,
            PRP_WIFI_MODE: dbus.UInt32(getattr(NM, "80211Mode").INFRA),
            PRP_WIFI_BITRATE: dbus.UInt32(21000),
            PRP_WIFI_WIRELESS_CAPABILITIES: dbus.UInt32(0xFF),
            PRP_WIFI_ACCESS_POINTS: ExportedObj.to_path_array(self.aps),
            PRP_WIFI_ACTIVE_ACCESS_POINT: ExportedObj.to_path(None),
            PRP_WIFI_LAST_SCAN: dbus.Int64(ts),
        }

        self.dbus_interface_add(IFACE_WIFI, props)

    @dbus.service.method(dbus_interface=IFACE_WIFI, in_signature="", out_signature="ao")
    def GetAccessPoints(self):
        # only include non-hidden APs
        return ExportedObj.to_path_array([a for a in self.aps if a.ssid])

    @dbus.service.method(dbus_interface=IFACE_WIFI, in_signature="", out_signature="ao")
    def GetAllAccessPoints(self):
        # include all APs including hidden ones
        return ExportedObj.to_path_array(self.aps)

    @dbus.service.method(
        dbus_interface=IFACE_WIFI, in_signature="a{sv}", out_signature=""
    )
    def RequestScan(self, props):
        self.scan_cb_id = Util.g_source_remove(self.scan_cb_id)

        def cb():
            ts = NM.utils_get_timestamp_msec()
            for ap in self.aps:
                ap._dbus_property_set(
                    IFACE_WIFI_AP, PRP_WIFI_AP_LAST_SEEN, dbus.Int32(ts / 1000)
                )
            self._dbus_property_set(IFACE_WIFI, PRP_WIFI_LAST_SCAN, dbus.Int64(ts))
            self.scan_cb_id = None
            return False

        self.scan_cb_id = GLib.idle_add(cb)
        pass

    @dbus.service.signal(IFACE_WIFI, signature="o")
    def AccessPointAdded(self, ap_path):
        pass

    def add_ap(self, ap):
        ap.export()
        self.aps.append(ap)
        self._dbus_property_set(
            IFACE_WIFI, PRP_WIFI_ACCESS_POINTS, ExportedObj.to_path_array(self.aps)
        )
        self.AccessPointAdded(ExportedObj.to_path(ap))
        return ap

    def remove_ap(self, ap):
        self.aps.remove(ap)
        self._dbus_property_set(
            IFACE_WIFI, PRP_WIFI_ACCESS_POINTS, ExportedObj.to_path_array(self.aps)
        )
        self.AccessPointRemoved(ExportedObj.to_path(ap))
        ap.unexport()

    def stop(self):
        self.scan_cb_id = Util.g_source_remove(self.scan_cb_id)
        super(WifiDevice, self).stop()

    @dbus.service.signal(IFACE_WIFI, signature="o")
    def AccessPointRemoved(self, ap_path):
        pass

    def remove_ap_by_path(self, path):
        for ap in self.aps:
            if ap.path == path:
                self.remove_ap(ap)
                return
        raise BusErr.ApNotFoundException("AP %s not found" % path)


###############################################################################

PRP_ACTIVE_CONNECTION_CONNECTION = "Connection"
PRP_ACTIVE_CONNECTION_SPECIFIC_OBJECT = "SpecificObject"
PRP_ACTIVE_CONNECTION_ID = "Id"
PRP_ACTIVE_CONNECTION_UUID = "Uuid"
PRP_ACTIVE_CONNECTION_TYPE = "Type"
PRP_ACTIVE_CONNECTION_DEVICES = "Devices"
PRP_ACTIVE_CONNECTION_STATE = "State"
PRP_ACTIVE_CONNECTION_DEFAULT = "Default"
PRP_ACTIVE_CONNECTION_IP4CONFIG = "Ip4Config"
PRP_ACTIVE_CONNECTION_DHCP4CONFIG = "Dhcp4Config"
PRP_ACTIVE_CONNECTION_DEFAULT6 = "Default6"
PRP_ACTIVE_CONNECTION_IP6CONFIG = "Ip6Config"
PRP_ACTIVE_CONNECTION_DHCP6CONFIG = "Dhcp6Config"
PRP_ACTIVE_CONNECTION_VPN = "Vpn"
PRP_ACTIVE_CONNECTION_MASTER = "Master"

PRP_VPN_CONNECTION_VPN_STATE = "VpnState"
PRP_VPN_CONNECTION_BANNER = "Banner"


class ActiveConnection(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/ActiveConnection/"

    def __init__(self, device, con_inst, specific_object):

        ExportedObj.__init__(self, ExportedObj.create_path(ActiveConnection))

        self.device = device
        self.con_inst = con_inst
        self.is_vpn = con_inst.is_vpn()

        self._activation_id = None
        self._deactivation_id = None
        self.activation_state_change_delay_ms = 50

        s_con = con_inst.con_hash[NM.SETTING_CONNECTION_SETTING_NAME]

        props = {
            PRP_ACTIVE_CONNECTION_CONNECTION: ExportedObj.to_path(con_inst),
            PRP_ACTIVE_CONNECTION_SPECIFIC_OBJECT: ExportedObj.to_path(specific_object),
            PRP_ACTIVE_CONNECTION_ID: s_con[NM.SETTING_CONNECTION_ID],
            PRP_ACTIVE_CONNECTION_UUID: s_con[NM.SETTING_CONNECTION_UUID],
            PRP_ACTIVE_CONNECTION_TYPE: s_con[NM.SETTING_CONNECTION_TYPE],
            PRP_ACTIVE_CONNECTION_DEVICES: ExportedObj.to_path_array([self.device]),
            PRP_ACTIVE_CONNECTION_STATE: dbus.UInt32(NM.ActiveConnectionState.UNKNOWN),
            PRP_ACTIVE_CONNECTION_DEFAULT: False,
            PRP_ACTIVE_CONNECTION_IP4CONFIG: ExportedObj.to_path(None),
            PRP_ACTIVE_CONNECTION_DHCP4CONFIG: ExportedObj.to_path(None),
            PRP_ACTIVE_CONNECTION_DEFAULT6: False,
            PRP_ACTIVE_CONNECTION_IP6CONFIG: ExportedObj.to_path(None),
            PRP_ACTIVE_CONNECTION_DHCP6CONFIG: ExportedObj.to_path(None),
            PRP_ACTIVE_CONNECTION_VPN: self.is_vpn,
            PRP_ACTIVE_CONNECTION_MASTER: ExportedObj.to_path(None),
        }

        self.dbus_interface_add(IFACE_ACTIVE_CONNECTION, props)

        if self.is_vpn:
            props = {
                PRP_VPN_CONNECTION_VPN_STATE: dbus.UInt32(
                    NM.VpnConnectionState.UNKNOWN
                ),
                PRP_VPN_CONNECTION_BANNER: "*** VPN connection %s ***"
                % (con_inst.get_id()),
            }

            self.dbus_interface_add(IFACE_VPN_CONNECTION, props)

    def _set_state(self, state, reason):
        state = dbus.UInt32(state)
        self._dbus_property_set(
            IFACE_ACTIVE_CONNECTION, PRP_ACTIVE_CONNECTION_STATE, state
        )
        self.StateChanged(state, dbus.UInt32(reason))

    def activation_cancel(self):
        self._activation_id = Util.g_source_remove(self._activation_id)

    def _activation_step2(self):
        assert self._activation_id is not None
        self._activation_id = None

        s_con = self.con_inst.con_hash[NM.SETTING_CONNECTION_SETTING_NAME]
        conn_id = s_con[NM.SETTING_CONNECTION_ID]

        if gl.force_activation_failure.get(conn_id, False):
            self._set_state(
                NM.ActiveConnectionState.DEACTIVATED,
                NM.ActiveConnectionStateReason.UNKNOWN,
            )
            self.device.set_state(NM.DeviceState.FAILED, NM.DeviceStateReason.UNKNOWN)
        else:
            self._set_state(
                NM.ActiveConnectionState.ACTIVATED,
                NM.ActiveConnectionStateReason.UNKNOWN,
            )
            self.device.set_state(NM.DeviceState.ACTIVATED, NM.DeviceStateReason.NONE)
        return False

    def _activation_step1(self):
        assert self._activation_id is not None
        self._activation_id = GLib.timeout_add(
            self.activation_state_change_delay_ms, self._activation_step2
        )
        self.device.set_active_connection(self)
        self.device.set_state(NM.DeviceState.PREPARE, NM.DeviceStateReason.NONE)
        self._set_state(
            NM.ActiveConnectionState.ACTIVATING, NM.ActiveConnectionStateReason.UNKNOWN
        )
        return False

    def _deactivation_step1(self):
        assert self._deactivation_id is not None
        self._deactivation_id = None
        self.device.set_state(
            NM.DeviceState.DISCONNECTED, NM.DeviceStateReason.USER_REQUESTED
        )
        self._set_state(
            NM.ActiveConnectionState.DEACTIVATED,
            NM.ActiveConnectionStateReason.USER_DISCONNECTED,
        )

        return False

    def set_state(self, state, reason):
        self._set_state(state, reason)

    def start_activation(self):
        assert self._activation_id is None
        self._activation_id = GLib.timeout_add(
            self.activation_state_change_delay_ms, self._activation_step1
        )

    def start_deactivation(self):
        assert self._deactivation_id is None
        self._set_state(
            NM.ActiveConnectionState.DEACTIVATING,
            NM.ActiveConnectionStateReason.USER_DISCONNECTED,
        )
        self.device.set_state(
            NM.DeviceState.DEACTIVATING, NM.DeviceStateReason.USER_REQUESTED
        )
        self._set_state(
            NM.ActiveConnectionState.DEACTIVATING,
            NM.ActiveConnectionStateReason.USER_DISCONNECTED,
        )
        self._deactivation_id = GLib.timeout_add(50, self._deactivation_step1)

    @dbus.service.signal(IFACE_ACTIVE_CONNECTION, signature="uu")
    def StateChanged(self, state, reason):
        pass

    @dbus.service.signal(IFACE_VPN_CONNECTION, signature="uu")
    def VpnStateChanged(self, state, reason):
        pass


###############################################################################

PRP_NM_DEVICES = "Devices"
PRP_NM_ALL_DEVICES = "AllDevices"
PRP_NM_NETWORKING_ENABLED = "NetworkingEnabled"
PRP_NM_WWAN_ENABLED = "WwanEnabled"
PRP_NM_WWAN_HARDWARE_ENABLED = "WwanHardwareEnabled"
PRP_NM_WIRELESS_ENABLED = "WirelessEnabled"
PRP_NM_WIRELESS_HARDWARE_ENABLED = "WirelessHardwareEnabled"
PRP_NM_WIMAX_ENABLED = "WimaxEnabled"
PRP_NM_WIMAX_HARDWARE_ENABLED = "WimaxHardwareEnabled"
PRP_NM_ACTIVE_CONNECTIONS = "ActiveConnections"
PRP_NM_PRIMARY_CONNECTION = "PrimaryConnection"
PRP_NM_ACTIVATING_CONNECTION = "ActivatingConnection"
PRP_NM_STARTUP = "Startup"
PRP_NM_STATE = "State"
PRP_NM_VERSION = "Version"
PRP_NM_CONNECTIVITY = "Connectivity"


class NetworkManager(ExportedObj):
    def __init__(self):
        ExportedObj.__init__(self, "/org/freedesktop/NetworkManager")
        self.devices = []
        self.active_connections = []

        props = {
            PRP_NM_DEVICES: ExportedObj.to_path_array(self.devices),
            PRP_NM_ALL_DEVICES: ExportedObj.to_path_array(self.devices),
            PRP_NM_NETWORKING_ENABLED: True,
            PRP_NM_WWAN_ENABLED: True,
            PRP_NM_WWAN_HARDWARE_ENABLED: True,
            PRP_NM_WIRELESS_ENABLED: True,
            PRP_NM_WIRELESS_HARDWARE_ENABLED: True,
            PRP_NM_WIMAX_ENABLED: True,
            PRP_NM_WIMAX_HARDWARE_ENABLED: True,
            PRP_NM_ACTIVE_CONNECTIONS: ExportedObj.to_path_array(
                self.active_connections
            ),
            PRP_NM_PRIMARY_CONNECTION: ExportedObj.to_path(None),
            PRP_NM_ACTIVATING_CONNECTION: ExportedObj.to_path(None),
            PRP_NM_STARTUP: False,
            PRP_NM_STATE: dbus.UInt32(NM.State.DISCONNECTED),
            PRP_NM_VERSION: "0.9.9.0",
            PRP_NM_CONNECTIVITY: dbus.UInt32(NM.ConnectivityState.NONE),
        }

        self.dbus_interface_add(IFACE_NM, props)
        self.export()

    @dbus.service.signal(IFACE_NM, signature="u")
    def StateChanged(self, new_state):
        pass

    def set_state(self, new_state):
        self._dbus_property_set(IFACE_NM, PRP_NM_STATE, state)
        self.StateChanged(dbus.UInt32(self.state))

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature="", out_signature="ao")
    def GetDevices(self):
        return ExportedObj.to_path_array(self.devices)

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature="", out_signature="ao")
    def GetAllDevices(self):
        return ExportedObj.to_path_array(self.devices)

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature="s", out_signature="o")
    def GetDeviceByIpIface(self, ip_iface):
        d = self.find_device_first(
            ip_iface=ip_iface, require=BusErr.UnknownDeviceException
        )
        return ExportedObj.to_path(d)

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature="ooo", out_signature="o")
    def ActivateConnection(self, conpath, devpath, specific_object):
        try:
            con_inst = gl.settings.get_connection(conpath)
        except Exception as e:
            raise BusErr.UnknownConnectionException("Connection not found")

        con_hash = con_inst.con_hash
        con_type = NmUtil.con_hash_get_type(con_hash)

        device = self.find_device_first(path=devpath)
        if not device:
            if con_type == NM.SETTING_WIRED_SETTING_NAME:
                device = self.find_device_first(dev_type=WiredDevice)
            elif con_type == NM.SETTING_WIRELESS_SETTING_NAME:
                device = self.find_device_first(dev_type=WifiDevice)
            elif con_type == NM.SETTING_VLAN_SETTING_NAME:
                ifname = con_hash[NM.SETTING_CONNECTION_SETTING_NAME]["interface-name"]
                device = VlanDevice(ifname)
                self.add_device(device)
            elif con_type == NM.SETTING_VPN_SETTING_NAME:
                for ac in self.active_connections:
                    if ac.is_vpn:
                        continue
                    if ac.device:
                        device = ac.device
                        break

        if not device:
            raise BusErr.UnknownDeviceException(
                "No device found for the requested iface."
            )

        # See if we need secrets. For the moment, we only support WPA
        if "802-11-wireless-security" in con_hash:
            s_wsec = con_hash["802-11-wireless-security"]
            if s_wsec["key-mgmt"] == "wpa-psk" and "psk" not in s_wsec:
                secrets = gl.agent_manager.get_secrets(
                    con_hash, conpath, "802-11-wireless-security"
                )
                if secrets is None:
                    raise BusErr.NoSecretsException("No secret agent available")
                if "802-11-wireless-security" not in secrets:
                    raise BusErr.NoSecretsException("No secrets provided")
                s_wsec = secrets["802-11-wireless-security"]
                if "psk" not in s_wsec:
                    raise BusErr.NoSecretsException("No secrets provided")

        ac = ActiveConnection(device, con_inst, None)
        self.active_connection_add(ac)
        return ExportedObj.to_path(ac)

    def active_connection_add(self, ac):
        ac.export()
        self.active_connections.append(ac)
        self._dbus_property_set(
            IFACE_NM,
            PRP_NM_ACTIVE_CONNECTIONS,
            ExportedObj.to_path_array(self.active_connections),
        )
        ac.start_activation()

    def active_connection_remove(self, ac):
        ac.activation_cancel()
        self.active_connections.remove(ac)
        self._dbus_property_set(
            IFACE_NM,
            PRP_NM_ACTIVE_CONNECTIONS,
            ExportedObj.to_path_array(self.active_connections),
        )
        ac.unexport()

    @dbus.service.method(
        dbus_interface=IFACE_NM, in_signature="a{sa{sv}}oo", out_signature="oo"
    )
    def AddAndActivateConnection(self, con_hash, devpath, specific_object):
        conpath, acpath, result = self.AddAndActivateConnection2(
            con_hash, devpath, specific_object, dict()
        )
        return (conpath, acpath)

    @dbus.service.method(
        dbus_interface=IFACE_NM,
        in_signature="a{sa{sv}}ooa{sv}",
        out_signature="ooa{sv}",
    )
    def AddAndActivateConnection2(self, con_hash, devpath, specific_object, options):
        device = self.find_device_first(
            path=devpath, require=BusErr.UnknownDeviceException
        )
        conpath = gl.settings.AddConnection(con_hash)
        return (conpath, self.ActivateConnection(conpath, devpath, specific_object), [])

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature="o", out_signature="")
    def DeactivateConnection(self, active_connection):
        # Look for an active connection with the same object path
        for ac in self.active_connections:
            if ac.path == str(active_connection):
                ac.activation_cancel()
                ac.start_deactivation()
                return

        raise BusErr.UnknownConnectionException(
            "Connection not found: %s" % str(active_connection)
        )

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature="b", out_signature="")
    def Sleep(self, do_sleep):
        if do_sleep:
            state = NM.State.ASLEEP
        else:
            state = NM.State.DISCONNECTED
        self.set_state(state)

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature="b", out_signature="")
    def Enable(self, do_enable):
        pass

    @dbus.service.method(
        dbus_interface=IFACE_NM, in_signature="", out_signature="a{ss}"
    )
    def GetPermissions(self):
        return {
            "org.freedesktop.NetworkManager.enable-disable-network": "yes",
            "org.freedesktop.NetworkManager.sleep-wake": "no",
            "org.freedesktop.NetworkManager.enable-disable-wifi": "yes",
            "org.freedesktop.NetworkManager.enable-disable-wwan": "yes",
            "org.freedesktop.NetworkManager.enable-disable-wimax": "yes",
            "org.freedesktop.NetworkManager.network-control": "yes",
            "org.freedesktop.NetworkManager.wifi.share.protected": "yes",
            "org.freedesktop.NetworkManager.wifi.share.open": "yes",
            "org.freedesktop.NetworkManager.settings.modify.own": "yes",
            "org.freedesktop.NetworkManager.settings.modify.system": "yes",
            "org.freedesktop.NetworkManager.settings.modify.hostname": "yes",
            "org.freedesktop.NetworkManager.settings.modify.global-dns": "no",
            "org.freedesktop.NetworkManager.reload": "no",
        }

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature="ss", out_signature="")
    def SetLogging(self, level, domains):
        pass

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature="", out_signature="ss")
    def GetLogging(self):
        return ("info", "HW,RFKILL,CORE,DEVICE,WIFI,ETHER")

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature="", out_signature="u")
    def CheckConnectivity(self):
        raise BusErr.PermissionDeniedException("You fail")

    @dbus.service.signal(IFACE_NM, signature="o")
    def DeviceAdded(self, devpath):
        pass

    def find_devices(
        self,
        ident=_DEFAULT_ARG,
        path=_DEFAULT_ARG,
        iface=_DEFAULT_ARG,
        ip_iface=_DEFAULT_ARG,
        dev_type=_DEFAULT_ARG,
    ):
        r = None
        for d in self.devices:
            if ident is not _DEFAULT_ARG:
                if d.ident != ident:
                    continue
            if path is not _DEFAULT_ARG:
                if d.path != path:
                    continue
            if iface is not _DEFAULT_ARG:
                if d.iface != iface:
                    continue
            if ip_iface is not _DEFAULT_ARG:
                # ignore iface/ip_iface distinction for now
                if d.iface != ip_iface:
                    continue
            if dev_type is not _DEFAULT_ARG:
                if not isinstance(d, dev_type):
                    continue
            yield d

    def find_device_first(
        self,
        ident=_DEFAULT_ARG,
        path=_DEFAULT_ARG,
        iface=_DEFAULT_ARG,
        ip_iface=_DEFAULT_ARG,
        dev_type=_DEFAULT_ARG,
        require=None,
    ):
        r = None
        for d in self.find_devices(
            ident=ident, path=path, iface=iface, ip_iface=ip_iface, dev_type=dev_type
        ):
            r = d
            break
        if r is None and require:
            if require is TestError:
                raise TestError("Device not found")
            raise BusErr.UnknownDeviceException("Device not found")
        return r

    def add_device(self, device):
        if self.find_device_first(ident=device.ident, path=device.path) is not None:
            raise TestError(
                "Duplicate device ident=%s / path=%s" % (device.ident, device.path)
            )
        device.export()
        self.devices.append(device)
        self._dbus_property_set(
            IFACE_NM, PRP_NM_DEVICES, ExportedObj.to_path_array(self.devices)
        )
        self._dbus_property_set(
            IFACE_NM, PRP_NM_ALL_DEVICES, ExportedObj.to_path_array(self.devices)
        )
        self.DeviceAdded(ExportedObj.to_path(device))
        device.start()
        return device

    def remove_device(self, device):
        device.stop()
        self.devices.remove(device)
        self._dbus_property_set(
            IFACE_NM, PRP_NM_DEVICES, ExportedObj.to_path_array(self.devices)
        )
        self._dbus_property_set(
            IFACE_NM, PRP_NM_ALL_DEVICES, ExportedObj.to_path_array(self.devices)
        )
        self.DeviceRemoved(ExportedObj.to_path(device))
        device.unexport()

    def devices_available_connections_update(self):
        for d in self.devices:
            d.available_connections_update()

    @dbus.service.signal(IFACE_NM, signature="o")
    def DeviceRemoved(self, devpath):
        pass

    @dbus.service.method(IFACE_TEST, in_signature="", out_signature="")
    def Quit(self):
        gl.mainloop.quit()

    @dbus.service.method(IFACE_TEST, in_signature="a{ss}", out_signature="a(sss)")
    def FindConnections(self, selector_args):
        return [
            (c.path, c.get_uuid(), c.get_id())
            for c in gl.settings.find_connections(**selector_args)
        ]

    @dbus.service.method(IFACE_TEST, in_signature="a(oa(sa(sv)))", out_signature="")
    def SetProperties(self, all_args):
        for i in [0, 1]:
            for path, iface_args in all_args:
                o = gl.object_manager.find_object(path)
                if o is None:
                    raise TestError("Object %s does not exist" % (path))
                for iface_name, args in iface_args:
                    for propname, value in args:
                        o._dbus_property_set(
                            iface_name,
                            propname,
                            value,
                            allow_detect_dbus_iface=True,
                            dry_run=(i == 0),
                        )

    @dbus.service.method(IFACE_TEST, in_signature="sa{sv}", out_signature="o")
    def AddObj(self, class_name, args):
        if class_name in ["WiredDevice", "WifiDevice"]:
            py_class = globals()[class_name]
            d = py_class(**args)
            return ExportedObj.to_path(self.add_device(d))
        elif class_name in ["WifiAp"]:
            if "device" not in args:
                raise TestError('missing "device" paramter')
            d = self.find_device_first(ident=args["device"], require=TestError)
            del args["device"]
            if "ssid" not in args:
                args["ssid"] = d.ident + "-ap-" + str(WifiAp.path_counter_next)
            ap = WifiAp(**args)
            return ExportedObj.to_path(d.add_ap(ap))
        raise TestError('Invalid python type "%s"' % (class_name))

    @dbus.service.method(IFACE_TEST, in_signature="ssas", out_signature="o")
    def AddWiredDevice(self, ifname, mac, subchannels):
        dev = WiredDevice(ifname, mac, subchannels)
        return ExportedObj.to_path(self.add_device(dev))

    @dbus.service.method(IFACE_TEST, in_signature="s", out_signature="o")
    def AddModemDevice(self, ifname):
        dev = ModemDevice(ifname)
        return ExportedObj.to_path(self.add_device(dev))

    @dbus.service.method(IFACE_TEST, in_signature="s", out_signature="o")
    def AddWifiDevice(self, ifname):
        dev = WifiDevice(ifname)
        return ExportedObj.to_path(self.add_device(dev))

    @dbus.service.method(IFACE_TEST, in_signature="o", out_signature="")
    def RemoveDevice(self, path):
        d = self.find_device_first(path=path, require=TestError)
        self.remove_device(d)

    @dbus.service.method(IFACE_TEST, in_signature="sss", out_signature="o")
    def AddWifiAp(self, ident, ssid, bssid):
        d = self.find_device_first(ident=ident, require=TestError)
        ap = WifiAp(ssid, bssid)
        return ExportedObj.to_path(d.add_ap(ap))

    @dbus.service.method(IFACE_TEST, in_signature="so", out_signature="")
    def RemoveWifiAp(self, ident, ap_path):
        d = self.find_device_first(ident=ident, require=TestError)
        d.remove_ap_by_path(ap_path)

    @dbus.service.method(IFACE_TEST, in_signature="", out_signature="")
    def AutoRemoveNextConnection(self):
        gl.settings.auto_remove_next_connection()

    @dbus.service.method(
        dbus_interface=IFACE_TEST, in_signature="a{sa{sv}}b", out_signature="o"
    )
    def AddConnection(self, con_hash, do_verify_strict):
        return gl.settings.add_connection(con_hash, do_verify_strict)

    @dbus.service.method(dbus_interface=IFACE_TEST, in_signature="sb", out_signature="")
    def SetActiveConnectionFailure(self, connection_id, failure):
        gl.force_activation_failure[connection_id] = failure

    @dbus.service.method(dbus_interface=IFACE_TEST, in_signature="ou", out_signature="")
    def SetActiveConnectionStateChangedDelay(self, devpath, delay_ms):
        for ac in reversed(self.active_connections):
            if ac.device.path == devpath:
                ac.activation_state_change_delay_ms = delay_ms
                return
        raise BusErr.UnknownDeviceException(
            "Device with iface '%s' not found" % devpath
        )

    @dbus.service.method(
        dbus_interface=IFACE_TEST, in_signature="ouu", out_signature=""
    )
    def SetActiveConnectionState(self, devpath, state, reason):
        for ac in reversed(self.active_connections):
            if ac.device.path == devpath:
                ac.set_state(state, reason)
                return
        raise BusErr.UnknownDeviceException(
            "Device with iface '%s' not found" % devpath
        )

    @dbus.service.method(
        dbus_interface=IFACE_TEST, in_signature="ouu", out_signature=""
    )
    def SetDeviceState(self, devpath, state, reason):
        try:
            nmstate = NM.DeviceState(state)
        except ValueError as e:
            raise BusErr.InvalidPropertyException("Invalid device state: " % e)

        try:
            nmreason = NM.DeviceStateReason(reason)
        except ValueError as e:
            raise BusErr.InvalidPropertyException("Invalid device state reason: " % e)

        for d in self.devices:
            if d.path == devpath:
                d.set_state(nmstate, nmreason)
                return
        raise BusErr.UnknownDeviceException(
            "Device with iface '%s' not found" % devpath
        )

    @dbus.service.method(dbus_interface=IFACE_TEST, in_signature="ob", out_signature="")
    def SetCarrierStatus(self, devpath, status):
        for d in self.devices:
            if d.path == devpath:
                d.set_carrier_status(status)
                return
        raise BusErr.UnknownDeviceException(
            "Device with iface '%s' not found" % devpath
        )

    @dbus.service.method(
        dbus_interface=IFACE_TEST, in_signature="sa{sa{sv}}b", out_signature=""
    )
    def UpdateConnection(self, path, con_hash, do_verify_strict):
        return gl.settings.update_connection(con_hash, path, do_verify_strict)

    @dbus.service.method(
        dbus_interface=IFACE_TEST, in_signature="ba{ss}", out_signature=""
    )
    def ConnectionSetVisible(self, vis, selector_args):
        cons = list(gl.settings.find_connections(**selector_args))
        assert len(cons) == 1
        cons[0].SetVisible(vis)

    @dbus.service.method(dbus_interface=IFACE_TEST, in_signature="", out_signature="")
    def Restart(self):
        gl.bus.release_name("org.freedesktop.NetworkManager")
        gl.bus.request_name("org.freedesktop.NetworkManager")


###############################################################################

PRP_CONNECTION_UNSAVED = "Unsaved"
PRP_CONNECTION_FILENAME = "Filename"


class Connection(ExportedObj):
    def __init__(self, path_counter, con_hash, do_verify_strict=True):

        path = "/org/freedesktop/NetworkManager/Settings/Connection/%s" % (path_counter)

        ExportedObj.__init__(self, path)

        s_con = con_hash.get(NM.SETTING_CONNECTION_SETTING_NAME)
        if s_con is None:
            s_con = {}
            con_hash[NM.SETTING_CONNECTION_SETTING_NAME] = s_con
        if NmUtil.con_hash_get_id(con_hash) is None:
            s_con[NM.SETTING_CONNECTION_ID] = "connection-%s" % (path_counter)
        if NmUtil.con_hash_get_uuid(con_hash) is None:
            s_con[NM.SETTING_CONNECTION_UUID] = str(
                uuid.uuid3(uuid.NAMESPACE_URL, path)
            )

        NmUtil.con_hash_verify(con_hash, do_verify_strict=do_verify_strict)

        self.path = path
        self.con_hash = con_hash
        self.visible = True

        props = {
            PRP_CONNECTION_UNSAVED: False,
            PRP_CONNECTION_FILENAME: "/etc/NetworkManager/system-connections/"
            + self.get_id(),
        }

        self.dbus_interface_add(IFACE_CONNECTION, props)

    def get_id(self):
        return NmUtil.con_hash_get_id(self.con_hash)

    def get_uuid(self):
        return NmUtil.con_hash_get_uuid(self.con_hash)

    def get_type(self):
        return NmUtil.con_hash_get_type(self.con_hash)

    def is_vpn(self):
        return self.get_type() == NM.SETTING_VPN_SETTING_NAME

    def update_connection(self, con_hash, do_verify_strict):

        NmUtil.con_hash_verify(con_hash, do_verify_strict=do_verify_strict)

        old_uuid = self.get_uuid()
        new_uuid = NmUtil.con_hash_get_uuid(con_hash)
        if old_uuid != new_uuid:
            raise BusErr.InvalidPropertyException(
                "connection.uuid: cannot change the uuid from %s to %s"
                % (old_uuid, new_uuid)
            )

        self.con_hash = con_hash
        self.Updated()

    @dbus.service.method(
        dbus_interface=IFACE_CONNECTION, in_signature="", out_signature="a{sa{sv}}"
    )
    def GetSettings(self):
        if hasattr(self, "_remove_next_connection_cb"):
            self._remove_next_connection_cb()
            raise BusErr.UnknownConnectionException("Connection not found")
        if not self.visible:
            raise BusErr.PermissionDeniedException()
        return self.con_hash

    @dbus.service.method(
        dbus_interface=IFACE_CONNECTION, in_signature="b", out_signature=""
    )
    def SetVisible(self, vis):
        self.visible = vis
        self.Updated()

    @dbus.service.method(
        dbus_interface=IFACE_CONNECTION, in_signature="", out_signature=""
    )
    def Delete(self):
        gl.settings.delete_connection(self)

    @dbus.service.method(
        dbus_interface=IFACE_CONNECTION, in_signature="a{sa{sv}}", out_signature=""
    )
    def Update(self, con_hash):
        self.update_connection(con_hash, True)

    @dbus.service.method(
        dbus_interface=IFACE_CONNECTION,
        in_signature="a{sa{sv}}ua{sv}",
        out_signature="a{sv}",
    )
    def Update2(self, con_hash, flags, args):
        self.update_connection(con_hash, True)
        return []

    @dbus.service.signal(IFACE_CONNECTION, signature="")
    def Removed(self):
        pass

    @dbus.service.signal(IFACE_CONNECTION, signature="")
    def Updated(self):
        pass


###############################################################################

PRP_SETTINGS_HOSTNAME = "Hostname"
PRP_SETTINGS_CAN_MODIFY = "CanModify"
PRP_SETTINGS_CONNECTIONS = "Connections"


class Settings(ExportedObj):
    def __init__(self):
        ExportedObj.__init__(self, "/org/freedesktop/NetworkManager/Settings")

        self.connections = {}
        self.c_counter = 0
        self.remove_next_connection = False

        props = {
            PRP_SETTINGS_HOSTNAME: "foobar.baz",
            PRP_SETTINGS_CAN_MODIFY: True,
            PRP_SETTINGS_CONNECTIONS: dbus.Array([], "o"),
        }

        self.dbus_interface_add(IFACE_SETTINGS, props)
        self.export()

    def auto_remove_next_connection(self):
        self.remove_next_connection = True

    def get_connection(self, path):
        return self.connections[path]

    def get_connections(self, stable_order=True):
        cons = list(self.connections.values())
        if stable_order:
            cons.sort(
                key=lambda c: (Util.random_int(c.get_id()), Util.random_int(c.path))
            )
        return cons

    def get_connection_paths(self, stable_order=True):
        return [c.path for c in self.get_connections(stable_order=stable_order)]

    def find_connections(self, path=None, con_id=None, con_uuid=None):
        for c in self.get_connections():
            if path is not None:
                if c.path != path:
                    continue
            if con_id is not None:
                if c.get_id() != con_id:
                    continue
            if con_uuid is not None:
                if c.get_uuid() != con_uuid:
                    continue
            yield c

    @dbus.service.method(
        dbus_interface=IFACE_SETTINGS, in_signature="", out_signature="ao"
    )
    def ListConnections(self):
        return self.get_connection_paths()

    @dbus.service.method(
        dbus_interface=IFACE_SETTINGS, in_signature="a{sa{sv}}", out_signature="o"
    )
    def AddConnection(self, con_hash):
        return self.add_connection(con_hash)

    @dbus.service.method(
        dbus_interface=IFACE_SETTINGS, in_signature="", out_signature="b"
    )
    def ReloadConnections(self):
        return True

    def add_connection(self, con_hash, do_verify_strict=True):
        self.c_counter += 1
        con_inst = Connection(self.c_counter, con_hash, do_verify_strict)

        uuid = con_inst.get_uuid()
        if uuid in [c.get_uuid() for c in self.get_connections(stable_order=False)]:
            raise BusErr.InvalidSettingException(
                "cannot add duplicate connection with uuid %s" % (uuid)
            )

        con_inst.export()
        self.connections[con_inst.path] = con_inst
        self.NewConnection(con_inst.path)
        self._dbus_property_set(
            IFACE_SETTINGS,
            PRP_SETTINGS_CONNECTIONS,
            dbus.Array(self.get_connection_paths(), "o"),
        )

        gl.manager.devices_available_connections_update()

        if self.remove_next_connection:
            self.remove_next_connection = False

            def cb():
                if hasattr(con_inst, "_remove_next_connection_cb"):
                    del con_inst._remove_next_connection_cb
                    self.delete_connection(con_inst)
                return False

            # We will delete the connection right away on an idle handler. However,
            # the test races with initializing the connection (calling GetSettings()).
            # To avoid the race, we will check in GetSettings() whether the profile
            # is about to be deleted, and delete it first.
            con_inst._remove_next_connection_cb = cb
            GLib.idle_add(cb)

        return con_inst.path

    def update_connection(self, con_hash, path=None, do_verify_strict=True):
        if path not in self.connections:
            raise BusErr.UnknownConnectionException("Connection not found")
        self.connections[path].update_connection(con_hash, do_verify_strict)

    def delete_connection(self, con_inst):
        del self.connections[con_inst.path]
        self._dbus_property_set(
            IFACE_SETTINGS,
            PRP_SETTINGS_CONNECTIONS,
            dbus.Array(self.get_connection_paths(), "o"),
        )
        con_inst.Removed()
        con_inst.unexport()

        gl.manager.devices_available_connections_update()

    @dbus.service.method(
        dbus_interface=IFACE_SETTINGS, in_signature="s", out_signature=""
    )
    def SaveHostname(self, hostname):
        # Arbitrary requirement to test error handling
        if hostname.find(".") == -1:
            raise BusErr.InvalidHostnameException()
        self._dbus_property_set(IFACE_SETTINGS, PRP_SETTINGS_HOSTNAME, hostname)

    @dbus.service.signal(IFACE_SETTINGS, signature="o")
    def NewConnection(self, path):
        pass

    @dbus.service.method(IFACE_SETTINGS, in_signature="", out_signature="")
    def Quit(self):
        gl.mainloop.quit()


###############################################################################

PRP_IP4_CONFIG_ADDRESSES = "Addresses"
PRP_IP4_CONFIG_ADDRESSDATA = "AddressData"
PRP_IP4_CONFIG_GATEWAY = "Gateway"
PRP_IP4_CONFIG_ROUTES = "Routes"
PRP_IP4_CONFIG_ROUTEDATA = "RouteData"
PRP_IP4_CONFIG_NAMESERVERS = "Nameservers"
PRP_IP4_CONFIG_DOMAINS = "Domains"
PRP_IP4_CONFIG_SEARCHES = "Searches"
PRP_IP4_CONFIG_DNSOPTIONS = "DnsOptions"
PRP_IP4_CONFIG_DNSPRIORITY = "DnsPriority"
PRP_IP4_CONFIG_WINSSERVERS = "WinsServers"


class IP4Config(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/IP4Config/"

    def __init__(self, generate_seed=_DEFAULT_ARG):
        ExportedObj.__init__(self, ExportedObj.create_path(IP4Config))

        if generate_seed == _DEFAULT_ARG:
            generate_seed = self.path

        props = self._props_generate(generate_seed)
        self.dbus_interface_add(IFACE_IP4_CONFIG, props)
        self.export()

    def _props_generate(self, generate_seed):
        seed = Util.RandomSeed.wrap(generate_seed)

        gateway = None
        if seed:
            if Util.random_bool(seed):
                gateway = Util.random_ip(seed, net="192.168.0.0/16")[0]

        addrs = []
        if seed:
            for n in range(0, Util.random_int(seed, 4)):
                a = {
                    "addr": Util.random_ip(seed, net="192.168.0.0/16")[0],
                    "prefix": Util.random_int(seed, 17, 32),
                    "gateway": gateway if n == 0 else None,
                }
                addrs.append(a)

        routes = []
        if seed:
            for n in range(0, Util.random_int(seed, 4)):
                a = {
                    "dest": Util.random_ip(seed, net="192.168.0.0/16")[0],
                    "prefix": Util.random_int(seed, 17, 32),
                    "next-hop": None
                    if (Util.random_int(seed) % 3 == 0)
                    else Util.random_ip(seed, net="192.168.0.0/16")[0],
                    "metric": -1
                    if (Util.random_int(seed) % 3 == 0)
                    else Util.random_int(seed, 0, 0xFFFFFFFF),
                }
                routes.append(a)

        nameservers = []
        if seed:
            nameservers = list(
                [
                    Util.random_ip(seed, net="192.168.0.0/16")[0]
                    for x in range(Util.random_int(seed, 4))
                ]
            )

        names_selection = [
            "foo1.bar",
            "foo2.bar",
            "foo3.bar",
            "foo4.bar",
            "fo.o.bar",
            "fo.x.y",
        ]

        domains = []
        if seed:
            domains = Util.random_subset(seed, ["dom4." + s for s in names_selection])

        searches = []
        if seed:
            domains = Util.random_subset(seed, ["sear4." + s for s in names_selection])

        dnsoptions = []
        if seed:
            dnsoptions = Util.random_subset(
                seed, ["dns4-opt1", "dns4-opt2", "dns4-opt3", "dns4-opt4"]
            )

        dnspriority = 0
        if seed:
            dnspriority = Util.random_int(seed, -10000, 10000)

        winsservers = []
        if seed:
            winsservers = list(
                [
                    Util.random_ip(seed, net="192.168.0.0/16")[0]
                    for x in range(Util.random_int(seed, 4))
                ]
            )

        return {
            PRP_IP4_CONFIG_ADDRESSES: dbus.Array(
                [
                    [
                        Util.ip4_addr_be32(a["addr"]),
                        a["prefix"],
                        Util.ip4_addr_be32(a["gateway"]) if a["gateway"] else 0,
                    ]
                    for a in addrs
                ],
                "au",
            ),
            PRP_IP4_CONFIG_ADDRESSDATA: dbus.Array(
                [
                    dbus.Dictionary(
                        collections.OrderedDict(
                            [
                                ("address", dbus.String(a["addr"])),
                                ("prefix", dbus.UInt32(a["prefix"])),
                            ]
                            + (
                                [("gateway", dbus.String(a["gateway"]))]
                                if a["gateway"]
                                else []
                            )
                        ),
                        "sv",
                    )
                    for a in addrs
                ],
                "a{sv}",
            ),
            PRP_IP4_CONFIG_GATEWAY: dbus.String(gateway) if gateway else "",
            PRP_IP4_CONFIG_ROUTES: dbus.Array(
                [
                    [
                        Util.ip4_addr_be32(a["dest"]),
                        a["prefix"],
                        Util.ip4_addr_be32(a["next-hop"] or "0.0.0.0"),
                        max(a["metric"], 0),
                    ]
                    for a in routes
                ],
                "au",
            ),
            PRP_IP4_CONFIG_ROUTEDATA: dbus.Array(
                [
                    dbus.Dictionary(
                        collections.OrderedDict(
                            [
                                ("dest", dbus.String(a["dest"])),
                                ("prefix", dbus.UInt32(a["prefix"])),
                            ]
                            + (
                                [("next-hop", dbus.String(a["next-hop"]))]
                                if a["next-hop"]
                                else []
                            )
                            + (
                                [("metric", dbus.UInt32(a["metric"]))]
                                if a["metric"] != -1
                                else []
                            )
                        ),
                        "sv",
                    )
                    for a in routes
                ],
                "a{sv}",
            ),
            PRP_IP4_CONFIG_NAMESERVERS: dbus.Array(
                [dbus.UInt32(Util.ip4_addr_be32(n)) for n in nameservers], "u"
            ),
            PRP_IP4_CONFIG_DOMAINS: dbus.Array(domains, "s"),
            PRP_IP4_CONFIG_SEARCHES: dbus.Array(searches, "s"),
            PRP_IP4_CONFIG_DNSOPTIONS: dbus.Array(dnsoptions, "s"),
            PRP_IP4_CONFIG_DNSPRIORITY: dbus.Int32(dnspriority),
            PRP_IP4_CONFIG_WINSSERVERS: dbus.Array(
                [dbus.UInt32(Util.ip4_addr_be32(n)) for n in winsservers], "u"
            ),
        }

    def props_regenerate(self, generate_seed):
        props = self.generate_props(generate_seed)
        for k, v in props.items():
            self._dbus_property_set(IFACE_IP4_CONFIG, k, v)

    @dbus.service.method(IFACE_TEST, in_signature="s", out_signature="")
    def SetGateway(self, gateway):
        self._dbus_property_set(IFACE_IP4_CONFIG, PRP_IP4_CONFIG_GATEWAY, gateway)


###############################################################################

PRP_IP6_CONFIG_ADDRESSES = "Addresses"
PRP_IP6_CONFIG_ADDRESSDATA = "AddressData"
PRP_IP6_CONFIG_GATEWAY = "Gateway"
PRP_IP6_CONFIG_ROUTES = "Routes"
PRP_IP6_CONFIG_ROUTEDATA = "RouteData"
PRP_IP6_CONFIG_NAMESERVERS = "Nameservers"
PRP_IP6_CONFIG_DOMAINS = "Domains"
PRP_IP6_CONFIG_SEARCHES = "Searches"
PRP_IP6_CONFIG_DNSOPTIONS = "DnsOptions"
PRP_IP6_CONFIG_DNSPRIORITY = "DnsPriority"


class IP6Config(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/IP6Config/"

    def __init__(self, generate_seed=_DEFAULT_ARG):
        ExportedObj.__init__(self, ExportedObj.create_path(IP6Config))

        if generate_seed == _DEFAULT_ARG:
            generate_seed = self.path

        props = self._props_generate(generate_seed)
        self.dbus_interface_add(IFACE_IP6_CONFIG, props)
        self.export()

    def _props_generate(self, generate_seed):
        seed = Util.RandomSeed.wrap(generate_seed)

        gateway = None
        if seed:
            if Util.random_bool(seed):
                gateway = Util.random_ip(seed, net="2001:a::/64")[0]

        addrs = []
        if seed:
            for n in range(0, Util.random_int(seed, 4)):
                a = {
                    "addr": Util.random_ip(seed, net="2001:a::/64")[0],
                    "prefix": Util.random_int(seed, 65, 128),
                    "gateway": gateway if n == 0 else None,
                }
                addrs.append(a)

        routes = []
        if seed:
            for n in range(0, Util.random_int(seed, 4)):
                a = {
                    "dest": Util.random_ip(seed, net="2001:a::/64")[0],
                    "prefix": Util.random_int(seed, 65, 128),
                    "next-hop": None
                    if (Util.random_int(seed) % 3 == 0)
                    else Util.random_ip(seed, net="2001:a::/64")[0],
                    "metric": -1
                    if (Util.random_int(seed) % 3 == 0)
                    else Util.random_int(seed, 0, 0xFFFFFFFF),
                }
                routes.append(a)

        nameservers = []
        if seed:
            nameservers = list(
                [
                    Util.random_ip(seed, net="2001:a::/64")[0]
                    for x in range(Util.random_int(seed, 4))
                ]
            )

        names_selection = [
            "foo1.bar",
            "foo2.bar",
            "foo3.bar",
            "foo4.bar",
            "fo.o.bar",
            "fo.x.y",
        ]

        domains = []
        if seed:
            domains = Util.random_subset(seed, ["dom6." + s for s in names_selection])

        searches = []
        if seed:
            domains = Util.random_subset(seed, ["sear6." + s for s in names_selection])

        dnsoptions = []
        if seed:
            dnsoptions = Util.random_subset(
                seed, ["dns6-opt1", "dns6-opt2", "dns6-opt3", "dns6-opt4"]
            )

        dnspriority = 0
        if seed:
            dnspriority = Util.random_int(seed, -10000, 10000)

        return {
            PRP_IP6_CONFIG_ADDRESSES: dbus.Array(
                [
                    [
                        Util.ip6_addr_ay(a["addr"]),
                        a["prefix"],
                        Util.ip6_addr_ay(a["gateway"] or "::"),
                    ]
                    for a in addrs
                ],
                "(ayuay)",
            ),
            PRP_IP6_CONFIG_ADDRESSDATA: dbus.Array(
                [
                    dbus.Dictionary(
                        collections.OrderedDict(
                            [
                                ("address", dbus.String(a["addr"])),
                                ("prefix", dbus.UInt32(a["prefix"])),
                            ]
                            + (
                                [("gateway", dbus.String(a["gateway"]))]
                                if a["gateway"]
                                else []
                            )
                        ),
                        "sv",
                    )
                    for a in addrs
                ],
                "a{sv}",
            ),
            PRP_IP6_CONFIG_GATEWAY: dbus.String(gateway) if gateway else "",
            PRP_IP6_CONFIG_ROUTES: dbus.Array(
                [
                    [
                        Util.ip6_addr_ay(a["dest"]),
                        a["prefix"],
                        Util.ip6_addr_ay(a["next-hop"] or "::"),
                        max(a["metric"], 0),
                    ]
                    for a in routes
                ],
                "(ayuayu)",
            ),
            PRP_IP6_CONFIG_ROUTEDATA: dbus.Array(
                [
                    dbus.Dictionary(
                        collections.OrderedDict(
                            [
                                ("dest", dbus.String(a["dest"])),
                                ("prefix", dbus.UInt32(a["prefix"])),
                            ]
                            + (
                                [("next-hop", dbus.String(a["next-hop"]))]
                                if a["next-hop"]
                                else []
                            )
                            + (
                                [("metric", dbus.UInt32(a["metric"]))]
                                if a["metric"] != -1
                                else []
                            )
                        ),
                        "sv",
                    )
                    for a in routes
                ],
                "a{sv}",
            ),
            PRP_IP6_CONFIG_NAMESERVERS: dbus.Array(
                [Util.ip6_addr_ay(n) for n in nameservers], "ay"
            ),
            PRP_IP6_CONFIG_DOMAINS: dbus.Array(domains, "s"),
            PRP_IP6_CONFIG_SEARCHES: dbus.Array(searches, "s"),
            PRP_IP6_CONFIG_DNSOPTIONS: dbus.Array(dnsoptions, "s"),
            PRP_IP6_CONFIG_DNSPRIORITY: dbus.Int32(dnspriority),
        }

    def props_regenerate(self, generate_seed):
        props = self.generate_props(generate_seed)
        for k, v in props.items():
            self._dbus_property_set(IFACE_IP6_CONFIG, k, v)


###############################################################################

PRP_DHCP4_CONFIG_OPTIONS = "Options"


class Dhcp4Config(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/DHCP4Config/"

    def __init__(self, generate_seed=_DEFAULT_ARG):
        ExportedObj.__init__(self, ExportedObj.create_path(Dhcp4Config))

        if generate_seed == _DEFAULT_ARG:
            generate_seed = self.path

        props = self._props_generate(generate_seed)
        self.dbus_interface_add(IFACE_DHCP4_CONFIG, props)
        self.export()

    def _props_generate(self, generate_seed):
        seed = Util.RandomSeed.wrap(generate_seed)

        options = []
        if seed:
            options = Util.random_subset(
                seed, [("dhcp-4-opt-" + str(i), "val-" + str(i)) for i in range(10)]
            )

        return {
            PRP_DHCP4_CONFIG_OPTIONS: dbus.Dictionary(
                collections.OrderedDict(options), "sv"
            )
        }

    def props_regenerate(self, generate_seed):
        props = self.generate_props(generate_seed)
        for k, v in props.items():
            self._dbus_property_set(IFACE_DHCP4_CONFIG, k, v)


###############################################################################

PRP_DHCP6_CONFIG_OPTIONS = "Options"


class Dhcp6Config(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/DHCP6Config/"

    def __init__(self, generate_seed=_DEFAULT_ARG):
        ExportedObj.__init__(self, ExportedObj.create_path(Dhcp6Config))

        if generate_seed == _DEFAULT_ARG:
            generate_seed = self.path

        props = self._props_generate(generate_seed)
        self.dbus_interface_add(IFACE_DHCP6_CONFIG, props)
        self.export()

    def _props_generate(self, generate_seed):
        seed = Util.RandomSeed.wrap(generate_seed)

        options = []
        if seed:
            options = Util.random_subset(
                seed, [("dhcp-6-opt-" + str(i), "val-" + str(i)) for i in range(10)]
            )

        return {
            PRP_DHCP4_CONFIG_OPTIONS: dbus.Dictionary(
                collections.OrderedDict(options), "sv"
            )
        }

    def props_regenerate(self, generate_seed):
        props = self.generate_props(generate_seed)
        for k, v in props.items():
            self._dbus_property_set(IFACE_DHCP6_CONFIG, k, v)


###############################################################################

PRP_DNS_MANAGER_MODE = "Mode"
PRP_DNS_MANAGER_RC_MANAGER = "RcManager"
PRP_DNS_MANAGER_CONFIGURATION = "Configuration"


class DnsManager(ExportedObj):
    def __init__(self):
        ExportedObj.__init__(self, "/org/freedesktop/NetworkManager/DnsManager")

        props = {
            PRP_DNS_MANAGER_MODE: "dnsmasq",
            PRP_DNS_MANAGER_RC_MANAGER: "symlink",
            PRP_DNS_MANAGER_CONFIGURATION: dbus.Array(
                [
                    dbus.Dictionary(
                        {
                            "nameservers": dbus.Array(["1.2.3.4", "5.6.7.8"], "s"),
                            "priority": dbus.Int32(100),
                        },
                        "sv",
                    )
                ],
                "a{sv}",
            ),
        }

        self.dbus_interface_add(IFACE_DNS_MANAGER, props)
        self.export()


###############################################################################

PATH_SECRET_AGENT = "/org/freedesktop/NetworkManager/SecretAgent"

FLAG_ALLOW_INTERACTION = 0x1
FLAG_REQUEST_NEW = 0x2
FLAG_USER_REQUESTED = 0x4


class AgentManager(dbus.service.Object):
    def __init__(self):
        dbus.service.Object.__init__(
            self, gl.bus, "/org/freedesktop/NetworkManager/AgentManager"
        )
        self.agents = {}

    @dbus.service.method(
        dbus_interface=IFACE_AGENT_MANAGER,
        in_signature="s",
        out_signature="",
        sender_keyword="sender",
    )
    def Register(self, name, sender=None):
        self.RegisterWithCapabilities(name, 0, sender)

    @dbus.service.method(
        dbus_interface=IFACE_AGENT_MANAGER,
        in_signature="su",
        out_signature="",
        sender_keyword="sender",
    )
    def RegisterWithCapabilities(self, name, caps, sender=None):
        self.agents[sender] = gl.bus.get_object(sender, PATH_SECRET_AGENT)

    @dbus.service.method(
        dbus_interface=IFACE_AGENT_MANAGER,
        in_signature="",
        out_signature="",
        sender_keyword="sender",
    )
    def Unregister(self, sender=None):
        del self.agents[sender]

    def get_secrets(self, con_hash, path, setting_name):
        if len(self.agents) == 0:
            return None

        secrets = {}
        for sender in self.agents:
            agent = self.agents[sender]
            try:
                secrets = agent.GetSecrets(
                    con_hash,
                    path,
                    setting_name,
                    dbus.Array([], "s"),
                    FLAG_ALLOW_INTERACTION | FLAG_USER_REQUESTED,
                    dbus_interface=IFACE_AGENT,
                )
                break
            except dbus.DBusException as e:
                if e.get_dbus_name() == IFACE_AGENT + ".UserCanceled":
                    raise BusErr.UserCanceledException("User canceled")
                continue
        return secrets


###############################################################################


class ObjectManager(dbus.service.Object):
    def __init__(self, object_path):
        dbus.service.Object.__init__(self, gl.bus, object_path)
        self.objs = []

    def find_object(self, path):
        for o in self.objs:
            if path == o.path:
                return o
        return None

    def add_object(self, obj):
        self.objs.append(obj)
        self.InterfacesAdded(obj.path, obj.get_managed_ifaces())

    def remove_object(self, obj):
        self.objs.remove(obj)
        self.InterfacesRemoved(obj.path, obj.get_managed_ifaces().keys())

    @dbus.service.signal(IFACE_OBJECT_MANAGER, signature="oa{sa{sv}}")
    def InterfacesAdded(self, name, ifaces):
        pass

    @dbus.service.signal(IFACE_OBJECT_MANAGER, signature="oas")
    def InterfacesRemoved(self, name, ifaces):
        pass

    @dbus.service.method(
        dbus_interface=IFACE_OBJECT_MANAGER,
        in_signature="",
        out_signature="a{oa{sa{sv}}}",
        sender_keyword="sender",
    )
    def GetManagedObjects(self, sender=None):
        managed_objects = {}
        for obj in self.objs:
            managed_objects[obj.path] = obj.get_managed_ifaces()
        return managed_objects


###############################################################################


def main():
    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

    random.seed()

    global gl
    gl = Global()

    gl.mainloop = GLib.MainLoop()
    gl.bus = dbus.SessionBus()
    gl.force_activation_failure = {}

    gl.object_manager = ObjectManager("/org/freedesktop")
    gl.manager = NetworkManager()
    gl.settings = Settings()
    gl.dns_manager = DnsManager()
    gl.agent_manager = AgentManager()

    if not gl.bus.request_name("org.freedesktop.NetworkManager"):
        raise AssertionError(
            "Failure to request D-Bus name org.freedesktop.NetworkManager"
        )

    # Watch stdin; if it closes, assume our parent has crashed, and exit
    id1 = GLib.io_add_watch(
        GLib.IOChannel.unix_new(0),
        GLib.PRIORITY_DEFAULT,
        GLib.IO_HUP,
        lambda io, condition: gl.mainloop.quit() or True,
    )

    gl.mainloop.run()

    GLib.source_remove(id1)

    gl.agent_manager.remove_from_connection()
    gl.dns_manager.unexport()
    gl.settings.unexport()
    gl.manager.unexport()
    gl.object_manager.remove_from_connection()

    sys.exit(0)


if __name__ == "__main__":
    main()
