mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-11-05 03:29:24 +01:00
652 lines
20 KiB
Python
Executable File
652 lines
20 KiB
Python
Executable File
#!/usr/bin/python3
|
|
from gi.repository import GLib
|
|
|
|
import dbus
|
|
import dbus.service
|
|
import dbus.mainloop.glib
|
|
import sys
|
|
import os
|
|
import threading
|
|
import time
|
|
|
|
from abc import ABCMeta, abstractmethod
|
|
from enum import Enum
|
|
|
|
IWD_STORAGE_DIR = '/var/lib/iwd'
|
|
IWD_CONFIG_DIR = '/etc/iwd'
|
|
|
|
DBUS_OBJECT_MANAGER = 'org.freedesktop.DBus.ObjectManager'
|
|
DBUS_PROPERTIES = 'org.freedesktop.DBus.Properties'
|
|
|
|
IWD_SERVICE = 'net.connman.iwd'
|
|
IWD_WIPHY_INTERFACE = 'net.connman.iwd.Adapter'
|
|
IWD_AGENT_INTERFACE = 'net.connman.iwd.Agent'
|
|
IWD_AGENT_MANAGER_INTERFACE = 'net.connman.iwd.AgentManager'
|
|
IWD_DEVICE_INTERFACE = 'net.connman.iwd.Device'
|
|
IWD_KNOWN_NETWORKS_INTERFACE = 'net.connman.iwd.KnownNetworks'
|
|
IWD_NETWORK_INTERFACE = 'net.connman.iwd.Network'
|
|
IWD_WSC_INTERFACE = 'net.connman.iwd.WiFiSimpleConfiguration'
|
|
|
|
IWD_AGENT_MANAGER_PATH = '/'
|
|
IWD_KNOWN_NETWORKS_PATH = '/'
|
|
IWD_TOP_LEVEL_PATH = '/'
|
|
|
|
|
|
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
|
|
|
|
|
|
class UnknownDBusEx(Exception): pass
|
|
class InProgressEx(dbus.DBusException): pass
|
|
class FailedEx(dbus.DBusException): pass
|
|
class AbortedEx(dbus.DBusException): pass
|
|
class NotAvailableEx(dbus.DBusException): pass
|
|
class InvalidArgsEx(dbus.DBusException): pass
|
|
class AlreadyExistsEx(dbus.DBusException): pass
|
|
class NotFoundEx(dbus.DBusException): pass
|
|
class NotSupportedEx(dbus.DBusException): pass
|
|
class NoAgentEx(dbus.DBusException): pass
|
|
class NotConnectedEx(dbus.DBusException): pass
|
|
class NotImplementedEx(dbus.DBusException): pass
|
|
class CanceledEx(dbus.DBusException):
|
|
_dbus_error_name = 'net.connman.iwd.Error.Canceled'
|
|
|
|
|
|
_dbus_ex_to_py = {
|
|
'Canceled' : CanceledEx,
|
|
'InProgress' : InProgressEx,
|
|
'Failed' : FailedEx,
|
|
'Aborted' : AbortedEx,
|
|
'NotAvailable' : NotAvailableEx,
|
|
'InvalidArgs' : InvalidArgsEx,
|
|
'AlreadyExists' : AlreadyExistsEx,
|
|
'NotFound' : NotFoundEx,
|
|
'NotSupported' : NotSupportedEx,
|
|
'NoAgent' : NoAgentEx,
|
|
'NotConnected' : NotConnectedEx,
|
|
'NotImplemented' : NotImplementedEx,
|
|
}
|
|
|
|
|
|
def _convert_dbus_ex(dbus_ex):
|
|
ex_name = dbus_ex.get_dbus_name()
|
|
ex_short_name = ex_name[ex_name.rfind(".") + 1:]
|
|
if ex_short_name in _dbus_ex_to_py:
|
|
return _dbus_ex_to_py[ex_short_name](dbus_ex)
|
|
else:
|
|
return UnknownDBusEx(ex_name + ': ' + dbus_ex.get_dbus_message())
|
|
|
|
|
|
class AsyncOpAbstract(object):
|
|
__metaclass__ = ABCMeta
|
|
|
|
_is_completed = False
|
|
_exception = None
|
|
|
|
def _success(self):
|
|
self._is_completed = True
|
|
|
|
def _failure(self, ex):
|
|
self._is_completed = True
|
|
self._exception = _convert_dbus_ex(ex)
|
|
|
|
def _wait_for_async_op(self):
|
|
context = mainloop.get_context()
|
|
while not self._is_completed:
|
|
if context.pending():
|
|
context.iteration()
|
|
else:
|
|
time.sleep(0.01)
|
|
|
|
self._is_completed = False
|
|
if self._exception is not None:
|
|
raise self._exception
|
|
|
|
|
|
class IWDDBusAbstract(AsyncOpAbstract):
|
|
__metaclass__ = ABCMeta
|
|
|
|
_bus = dbus.SystemBus()
|
|
|
|
def __init__(self, object_path = None, properties = None):
|
|
self._object_path = object_path
|
|
proxy = self._bus.get_object(IWD_SERVICE, self._object_path)
|
|
self._iface = dbus.Interface(proxy, self._iface_name)
|
|
self._prop_proxy = dbus.Interface(proxy, DBUS_PROPERTIES);
|
|
|
|
if properties is None:
|
|
self._properties = self._prop_proxy.GetAll(self._iface_name)
|
|
else:
|
|
self._properties = properties
|
|
|
|
self._prop_proxy.connect_to_signal("PropertiesChanged",
|
|
self._property_changed_handler,
|
|
DBUS_PROPERTIES,
|
|
path_keyword="path")
|
|
|
|
def _property_changed_handler(self, interface, changed, invalidated, path):
|
|
if interface == self._iface_name and path == self._object_path:
|
|
for name, value in changed.items():
|
|
self._properties[name] = value
|
|
|
|
@abstractmethod
|
|
def __str__(self):
|
|
pass
|
|
|
|
|
|
class DeviceState(Enum):
|
|
'''Conection state of a device'''
|
|
connected = 'connected'
|
|
disconnected = 'disconnected'
|
|
connecting = 'connecting'
|
|
disconnecting = 'disconnecting'
|
|
|
|
def __str__(self):
|
|
return self.value
|
|
|
|
@classmethod
|
|
def from_str(cls, string):
|
|
return getattr(cls, string, None)
|
|
|
|
|
|
class NetworkType(Enum):
|
|
'''Network security type'''
|
|
open = 'open'
|
|
psk = 'psk'
|
|
eap = '8021x'
|
|
|
|
def __str__(self):
|
|
return str(self.value)
|
|
|
|
@classmethod
|
|
def from_string(cls, string):
|
|
type = None
|
|
for attr in dir(cls):
|
|
if (str(getattr(cls, attr)) == string):
|
|
type = getattr(cls, attr)
|
|
break
|
|
return type
|
|
|
|
|
|
class Device(IWDDBusAbstract):
|
|
'''
|
|
Class represents a network device object: net.connman.iwd.Device
|
|
with its properties and methods
|
|
'''
|
|
_iface_name = IWD_DEVICE_INTERFACE
|
|
_wps_manager_if = None
|
|
|
|
@property
|
|
def _wps_manager(self):
|
|
if self._wps_manager_if is None:
|
|
_wps_manager_if =\
|
|
dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
self.device_path),
|
|
IWD_WSC_INTERFACE)
|
|
return _wps_manager_if
|
|
|
|
@property
|
|
def device_path(self):
|
|
'''
|
|
Device's dbus path.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._object_path
|
|
|
|
@property
|
|
def name(self):
|
|
'''
|
|
Device's interface name.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._properties['Name']
|
|
|
|
@property
|
|
def address(self):
|
|
'''
|
|
Interface's hardware address in the XX:XX:XX:XX:XX:XX format.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._properties['Address']
|
|
|
|
@property
|
|
def state(self):
|
|
'''
|
|
Reflects the general network connection state.
|
|
|
|
@rtype: object (State)
|
|
'''
|
|
return DeviceState.from_str(self._properties['State'])
|
|
|
|
@property
|
|
def connected_network(self):
|
|
'''
|
|
net.connman.iwd.Network object representing the
|
|
network the device is currently connected to or to
|
|
which a connection is in progress.
|
|
|
|
@rtype: object (Network)
|
|
'''
|
|
return self._properties.get('ConnectedNetwork')
|
|
|
|
@property
|
|
def powered(self):
|
|
'''
|
|
True if the interface is UP. If false, the device's radio is
|
|
powered down and no other actions can be performed on the device.
|
|
|
|
@rtype: boolean
|
|
'''
|
|
return bool(self._properties['Powered'])
|
|
|
|
@property
|
|
def scanning(self):
|
|
'''
|
|
Reflects whether the device is currently scanning
|
|
for networks. net.connman.iwd.Network objects are
|
|
updated when this property goes from true to false.
|
|
|
|
@rtype: boolean
|
|
'''
|
|
return bool(self._properties['Scanning'])
|
|
|
|
def scan(self):
|
|
'''Schedule a network scan.
|
|
|
|
Possible exception: BusyEx
|
|
FailedEx
|
|
'''
|
|
self._iface.Scan(dbus_interface=self._iface_name,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
|
|
self._wait_for_async_op()
|
|
|
|
def disconnect(self):
|
|
'''Disconnect from the network
|
|
|
|
Possible exception: BusyEx
|
|
FailedEx
|
|
NotConnectedEx
|
|
'''
|
|
self._iface.Disconnect(dbus_interface=self._iface_name,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
|
|
self._wait_for_async_op()
|
|
|
|
def get_ordered_networks(self):
|
|
'''Return the list of networks found in the most recent
|
|
scan, sorted by their user interface importance
|
|
score as calculated by iwd. If the device is
|
|
currently connected to a network, that network is
|
|
always first on the list, followed by any known
|
|
networks that have been used at least once before,
|
|
followed by any other known networks and any other
|
|
detected networks as the last group. Within these
|
|
groups the maximum relative signal-strength is the
|
|
main sorting factor.
|
|
'''
|
|
ordered_networks = []
|
|
for bus_obj in self._iface.GetOrderedNetworks():
|
|
ordered_network = OrderedNetwork(bus_obj)
|
|
ordered_networks.append(ordered_network)
|
|
return ordered_networks
|
|
|
|
def wps_push_button(self):
|
|
self._wps_manager.PushButton(dbus_interface=IWD_WSC_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
def wps_cancel(self):
|
|
self._wps_manager.Cancel(dbus_interface=IWD_WSC_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
def __str__(self, prefix = ''):
|
|
return prefix + 'Device: ' + self.device_path + '\n'\
|
|
+ prefix + '\tName:\t\t' + self.name + '\n'\
|
|
+ prefix + '\tAddress:\t' + self.address + '\n'\
|
|
+ prefix + '\tState:\t\t' + str(self.state) + '\n'\
|
|
+ prefix + '\tPowered:\t' + str(self.powered) + '\n'\
|
|
+ prefix + '\tConnected net:\t' + str(self.connected_network) +\
|
|
'\n'
|
|
|
|
|
|
class Network(IWDDBusAbstract):
|
|
'''Class represents a network object: net.connman.iwd.Network'''
|
|
_iface_name = IWD_NETWORK_INTERFACE
|
|
|
|
@property
|
|
def name(self):
|
|
'''
|
|
Network SSID.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._properties['Name']
|
|
|
|
@property
|
|
def connected(self):
|
|
'''
|
|
Reflects whether the device is connected to this network.
|
|
|
|
@rtype: boolean
|
|
'''
|
|
return bool(self._properties['Connected'])
|
|
|
|
def connect(self):
|
|
'''
|
|
Connect to the network. Request the device implied by the object
|
|
path to connect to specified network.
|
|
|
|
Possible exception: AbortedEx
|
|
BusyEx
|
|
FailedEx
|
|
NoAgentEx
|
|
NotSupportedEx
|
|
TimeoutEx
|
|
|
|
@rtype: void
|
|
'''
|
|
|
|
self._iface.Connect(dbus_interface=self._iface_name,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
|
|
self._wait_for_async_op()
|
|
|
|
def __str__(self, prefix = ''):
|
|
return prefix + 'Network:\n' \
|
|
+ prefix + '\tName:\t' + self.name + '\n' \
|
|
+ prefix + '\tConnected:\t' + str(self.connected)
|
|
|
|
|
|
class KnownNetwork():
|
|
'''Class represents a known network object.'''
|
|
|
|
@property
|
|
def name(self):
|
|
'''Contains the Name (SSID) of the network.'''
|
|
return self._name
|
|
|
|
@property
|
|
def type(self):
|
|
'''Contains the type of the network.'''
|
|
return self._type
|
|
|
|
@property
|
|
def last_connected_time(self):
|
|
'''
|
|
Contains the last time this network has been connected to.
|
|
The time is given as a string in ISO 8601 format. If the network
|
|
is known, but has never been successfully connected to,
|
|
this attribute is set to None.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._last_connected_time
|
|
|
|
@property
|
|
def last_seen_time(self):
|
|
'''
|
|
Contains the last time this network has been seen in scan results.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._last_seen_time
|
|
|
|
def __init__(self, n_n_object):
|
|
self._name = n_n_object['Name']
|
|
self._type = NetworkType.from_string(n_n_object['Type'])
|
|
self._last_connected_time = n_n_object.get('LastConnectedTime')
|
|
self._last_seen_time = n_n_object.get('LastSeenTime')
|
|
|
|
def __str__(self, prefix = ''):
|
|
return prefix + 'Known Network:\n' \
|
|
+ prefix + '\tName:\t' + self.name + '\n' \
|
|
+ prefix + '\tType:\t' + str(self.type) + '\n' \
|
|
+ prefix + '\tLast connected:\t' + self.last_connected_time + \
|
|
'\n' \
|
|
+ prefix + '\tLast seen:\t' + self.last_seen_time
|
|
|
|
|
|
class OrderedNetwork(object):
|
|
'''Represents a network found in the scan'''
|
|
|
|
def __init__(self, o_n_tuple):
|
|
self._network_object = Network(o_n_tuple[0])
|
|
self._name = o_n_tuple[1]
|
|
self._signal_strength = o_n_tuple[2]
|
|
self._type = NetworkType.from_string(o_n_tuple[3])
|
|
|
|
@property
|
|
def network_object(self):
|
|
'''
|
|
net.connman.iwd.Network object representing the network.
|
|
|
|
@rtype: Network
|
|
'''
|
|
return self._network_object
|
|
|
|
@property
|
|
def name(self):
|
|
'''
|
|
Device's interface name.
|
|
|
|
@rtype: string
|
|
'''
|
|
return self._name
|
|
|
|
@property
|
|
def signal_strength(self):
|
|
'''
|
|
Network's maximum signal strength expressed in 100 * dBm.
|
|
The value is the range of 0 (strongest signal) to
|
|
-10000 (weakest signal)
|
|
|
|
@rtype: number
|
|
'''
|
|
return self._signal_strength
|
|
|
|
@property
|
|
def type(self):
|
|
'''
|
|
Contains the type of the network.
|
|
|
|
@rtype: NetworkType
|
|
'''
|
|
return self._type
|
|
|
|
def __str__(self):
|
|
return 'Ordered Network:\n'\
|
|
'\tName:\t\t' + self.name + '\n'\
|
|
'\tNetwork Type:\t' + str(self.type) + '\n'\
|
|
'\tSignal Strength:'\
|
|
+ ('None' if self.signal_strength is None else\
|
|
str(self.signal_strength)) + '\n'\
|
|
'\tObject: \n' + self.network_object.__str__('\t\t')
|
|
|
|
|
|
class PSKAgent(dbus.service.Object):
|
|
|
|
def __init__(self, passphrase = None):
|
|
self._passphrase = passphrase
|
|
self._path = '/test/agent/' + str(int(round(time.time() * 1000)))
|
|
|
|
dbus.service.Object.__init__(self, dbus.SystemBus(), self._path)
|
|
|
|
@property
|
|
def path(self):
|
|
return self._path
|
|
|
|
@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='', out_signature='')
|
|
def Release(self):
|
|
print("Agent released")
|
|
|
|
@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='o',
|
|
out_signature='s')
|
|
def RequestPassphrase(self, path):
|
|
print('Requested passphrase for ' + path)
|
|
|
|
if self._passphrase is None:
|
|
raise CanceledEx("canceled")
|
|
|
|
return self._passphrase
|
|
|
|
@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='s',
|
|
out_signature='')
|
|
def Cancel(self, reason):
|
|
print("Cancel: " + reason)
|
|
|
|
|
|
class IWD(AsyncOpAbstract):
|
|
''''''
|
|
_bus = dbus.SystemBus()
|
|
|
|
_object_manager_if = None
|
|
_agent_manager_if = None
|
|
_known_network_manager_if = None
|
|
_iwd_proc = None
|
|
|
|
def __init__(self, start_iwd_daemon = False,
|
|
iwd_config_dir = IWD_CONFIG_DIR):
|
|
global mainloop
|
|
mainloop = GLib.MainLoop()
|
|
|
|
if not start_iwd_daemon:
|
|
return
|
|
|
|
import subprocess
|
|
iwd_proc = subprocess.Popen(['iwd', '-c', iwd_config_dir])
|
|
|
|
tries = 0
|
|
while not self._bus.name_has_owner(IWD_SERVICE):
|
|
if tries > 20:
|
|
iwd_proc.terminate()
|
|
raise TimeoutError('IWD has failed to start')
|
|
tries += 1
|
|
time.sleep(0.05)
|
|
|
|
self._iwd_proc = iwd_proc
|
|
|
|
def __del__(self):
|
|
if self._iwd_proc is None:
|
|
return
|
|
|
|
self._iwd_proc.terminate()
|
|
self._iwd_proc.wait()
|
|
|
|
@property
|
|
def _object_manager(self):
|
|
if self._object_manager_if is None:
|
|
self._object_manager_if = \
|
|
dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
IWD_TOP_LEVEL_PATH),
|
|
DBUS_OBJECT_MANAGER)
|
|
return self._object_manager_if
|
|
|
|
@property
|
|
def _agent_manager(self):
|
|
if self._agent_manager_if is None:
|
|
self._agent_manager_if =\
|
|
dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
IWD_AGENT_MANAGER_PATH),
|
|
IWD_AGENT_MANAGER_INTERFACE)
|
|
return self._agent_manager_if
|
|
|
|
@property
|
|
def _known_network_manager(self):
|
|
if self._known_network_manager_if is None:
|
|
_known_network_manager_if =\
|
|
dbus.Interface(self._bus.get_object(IWD_SERVICE,
|
|
IWD_KNOWN_NETWORKS_PATH),
|
|
IWD_KNOWN_NETWORKS_INTERFACE)
|
|
return _known_network_manager_if
|
|
|
|
def wait_for_object_condition(self, obj, condition_str, max_wait = 15):
|
|
start = time.time()
|
|
context = mainloop.get_context()
|
|
while not eval(condition_str):
|
|
if context.pending():
|
|
context.iteration()
|
|
else:
|
|
now = time.time()
|
|
if (now - start) > max_wait:
|
|
raise TimeoutError('[' + condition_str + ']'\
|
|
' condition was not met in '\
|
|
+ str(max_wait) + ' sec')
|
|
time.sleep(0.01)
|
|
|
|
@staticmethod
|
|
def clear_storage():
|
|
os.system('rm -rf ' + IWD_STORAGE_DIR + '/*')
|
|
|
|
@staticmethod
|
|
def create_in_storage(file_name, file_content):
|
|
fo = open(IWD_STORAGE_DIR + '/' + file_name, 'w')
|
|
|
|
fo.write(file_content);
|
|
fo.close()
|
|
|
|
@staticmethod
|
|
def copy_to_storage(source):
|
|
import shutil
|
|
|
|
assert not os.path.isabs(source)
|
|
shutil.copy(source, IWD_STORAGE_DIR)
|
|
|
|
def list_devices(self):
|
|
objects = self._object_manager.GetManagedObjects()
|
|
devices = None
|
|
for path in objects.keys():
|
|
interfaces = objects[path]
|
|
for interface in interfaces.keys():
|
|
if interface in [IWD_DEVICE_INTERFACE]:
|
|
if devices is None:
|
|
devices = []
|
|
device = Device(path)
|
|
devices.append(device)
|
|
return devices
|
|
|
|
def list_known_networks(self):
|
|
'''Returns a list of KnownNetwork objects.'''
|
|
known_network_list = []
|
|
|
|
for n_n_object in self._known_network_manager.ListKnownNetworks():
|
|
known_network = KnownNetwork(n_n_object)
|
|
known_network_list.append(known_network)
|
|
|
|
return known_network_list
|
|
|
|
def forget_known_network(self, known_network):
|
|
'''Removes the network from the 'known networks' list and
|
|
removes any associated meta-data. If the network is
|
|
currently connected, then it is automatically disconnected'''
|
|
self._known_network_manager.ForgetNetwork(
|
|
known_network.name, str(known_network.type),
|
|
dbus_interface=IWD_KNOWN_NETWORKS_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
def register_psk_agent(self, psk_agent):
|
|
self._agent_manager.RegisterAgent(
|
|
psk_agent.path,
|
|
dbus_interface=IWD_AGENT_MANAGER_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|
|
|
|
def unregister_psk_agent(self, psk_agent):
|
|
self._agent_manager.UnregisterAgent(
|
|
psk_agent.path,
|
|
dbus_interface=IWD_AGENT_MANAGER_INTERFACE,
|
|
reply_handler=self._success,
|
|
error_handler=self._failure)
|
|
self._wait_for_async_op()
|