mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-11-27 03:19:24 +01:00
652 lines
20 KiB
Python
Executable File
652 lines
20 KiB
Python
Executable File
#!/usr/bin/python3
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from gi.repository import GLib
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import dbus
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import dbus.service
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import dbus.mainloop.glib
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import sys
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import os
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import threading
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import time
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from abc import ABCMeta, abstractmethod
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from enum import Enum
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IWD_STORAGE_DIR = '/var/lib/iwd'
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IWD_CONFIG_DIR = '/etc/iwd'
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DBUS_OBJECT_MANAGER = 'org.freedesktop.DBus.ObjectManager'
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DBUS_PROPERTIES = 'org.freedesktop.DBus.Properties'
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IWD_SERVICE = 'net.connman.iwd'
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IWD_WIPHY_INTERFACE = 'net.connman.iwd.Adapter'
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IWD_AGENT_INTERFACE = 'net.connman.iwd.Agent'
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IWD_AGENT_MANAGER_INTERFACE = 'net.connman.iwd.AgentManager'
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IWD_DEVICE_INTERFACE = 'net.connman.iwd.Device'
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IWD_KNOWN_NETWORKS_INTERFACE = 'net.connman.iwd.KnownNetworks'
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IWD_NETWORK_INTERFACE = 'net.connman.iwd.Network'
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IWD_WSC_INTERFACE = 'net.connman.iwd.WiFiSimpleConfiguration'
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IWD_AGENT_MANAGER_PATH = '/'
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IWD_KNOWN_NETWORKS_PATH = '/'
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IWD_TOP_LEVEL_PATH = '/'
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dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
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class UnknownDBusEx(Exception): pass
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class InProgressEx(dbus.DBusException): pass
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class FailedEx(dbus.DBusException): pass
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class AbortedEx(dbus.DBusException): pass
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class NotAvailableEx(dbus.DBusException): pass
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class InvalidArgsEx(dbus.DBusException): pass
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class AlreadyExistsEx(dbus.DBusException): pass
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class NotFoundEx(dbus.DBusException): pass
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class NotSupportedEx(dbus.DBusException): pass
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class NoAgentEx(dbus.DBusException): pass
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class NotConnectedEx(dbus.DBusException): pass
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class NotImplementedEx(dbus.DBusException): pass
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class CanceledEx(dbus.DBusException):
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_dbus_error_name = 'net.connman.iwd.Error.Canceled'
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_dbus_ex_to_py = {
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'Canceled' : CanceledEx,
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'InProgress' : InProgressEx,
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'Failed' : FailedEx,
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'Aborted' : AbortedEx,
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'NotAvailable' : NotAvailableEx,
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'InvalidArgs' : InvalidArgsEx,
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'AlreadyExists' : AlreadyExistsEx,
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'NotFound' : NotFoundEx,
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'NotSupported' : NotSupportedEx,
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'NoAgent' : NoAgentEx,
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'NotConnected' : NotConnectedEx,
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'NotImplemented' : NotImplementedEx,
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}
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def _convert_dbus_ex(dbus_ex):
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ex_name = dbus_ex.get_dbus_name()
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ex_short_name = ex_name[ex_name.rfind(".") + 1:]
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if ex_short_name in _dbus_ex_to_py:
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return _dbus_ex_to_py[ex_short_name](dbus_ex)
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else:
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return UnknownDBusEx(ex_name + ': ' + dbus_ex.get_dbus_message())
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class AsyncOpAbstract(object):
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__metaclass__ = ABCMeta
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_is_completed = False
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_exception = None
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def _success(self):
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self._is_completed = True
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def _failure(self, ex):
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self._is_completed = True
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self._exception = _convert_dbus_ex(ex)
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def _wait_for_async_op(self):
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context = mainloop.get_context()
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while not self._is_completed:
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if context.pending():
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context.iteration()
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else:
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time.sleep(0.01)
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self._is_completed = False
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if self._exception is not None:
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raise self._exception
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class IWDDBusAbstract(AsyncOpAbstract):
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__metaclass__ = ABCMeta
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_bus = dbus.SystemBus()
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def __init__(self, object_path = None, properties = None):
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self._object_path = object_path
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proxy = self._bus.get_object(IWD_SERVICE, self._object_path)
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self._iface = dbus.Interface(proxy, self._iface_name)
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self._prop_proxy = dbus.Interface(proxy, DBUS_PROPERTIES);
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if properties is None:
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self._properties = self._prop_proxy.GetAll(self._iface_name)
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else:
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self._properties = properties
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self._prop_proxy.connect_to_signal("PropertiesChanged",
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self._property_changed_handler,
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DBUS_PROPERTIES,
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path_keyword="path")
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def _property_changed_handler(self, interface, changed, invalidated, path):
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if interface == self._iface_name and path == self._object_path:
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for name, value in changed.items():
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self._properties[name] = value
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@abstractmethod
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def __str__(self):
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pass
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class DeviceState(Enum):
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'''Conection state of a device'''
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connected = 'connected'
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disconnected = 'disconnected'
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connecting = 'connecting'
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disconnecting = 'disconnecting'
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def __str__(self):
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return self.value
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@classmethod
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def from_str(cls, string):
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return getattr(cls, string, None)
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class NetworkType(Enum):
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'''Network security type'''
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open = 'open'
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psk = 'psk'
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eap = '8021x'
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def __str__(self):
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return str(self.value)
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@classmethod
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def from_string(cls, string):
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type = None
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for attr in dir(cls):
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if (str(getattr(cls, attr)) == string):
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type = getattr(cls, attr)
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break
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return type
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class Device(IWDDBusAbstract):
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'''
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Class represents a network device object: net.connman.iwd.Device
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with its properties and methods
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'''
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_iface_name = IWD_DEVICE_INTERFACE
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_wps_manager_if = None
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@property
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def _wps_manager(self):
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if self._wps_manager_if is None:
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_wps_manager_if =\
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dbus.Interface(self._bus.get_object(IWD_SERVICE,
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self.device_path),
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IWD_WSC_INTERFACE)
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return _wps_manager_if
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@property
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def device_path(self):
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'''
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Device's dbus path.
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@rtype: string
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'''
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return self._object_path
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@property
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def name(self):
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'''
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Device's interface name.
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@rtype: string
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'''
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return self._properties['Name']
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@property
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def address(self):
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'''
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Interface's hardware address in the XX:XX:XX:XX:XX:XX format.
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@rtype: string
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'''
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return self._properties['Address']
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@property
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def state(self):
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'''
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Reflects the general network connection state.
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@rtype: object (State)
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'''
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return DeviceState.from_str(self._properties['State'])
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@property
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def connected_network(self):
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'''
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net.connman.iwd.Network object representing the
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network the device is currently connected to or to
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which a connection is in progress.
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@rtype: object (Network)
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'''
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return self._properties.get('ConnectedNetwork')
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@property
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def powered(self):
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'''
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True if the interface is UP. If false, the device's radio is
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powered down and no other actions can be performed on the device.
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@rtype: boolean
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'''
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return bool(self._properties['Powered'])
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@property
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def scanning(self):
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'''
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Reflects whether the device is currently scanning
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for networks. net.connman.iwd.Network objects are
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updated when this property goes from true to false.
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@rtype: boolean
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'''
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return bool(self._properties['Scanning'])
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def scan(self):
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'''Schedule a network scan.
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Possible exception: BusyEx
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FailedEx
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'''
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self._iface.Scan(dbus_interface=self._iface_name,
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reply_handler=self._success,
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error_handler=self._failure)
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self._wait_for_async_op()
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def disconnect(self):
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'''Disconnect from the network
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Possible exception: BusyEx
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FailedEx
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NotConnectedEx
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'''
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self._iface.Disconnect(dbus_interface=self._iface_name,
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reply_handler=self._success,
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error_handler=self._failure)
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self._wait_for_async_op()
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def get_ordered_networks(self):
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'''Return the list of networks found in the most recent
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scan, sorted by their user interface importance
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score as calculated by iwd. If the device is
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currently connected to a network, that network is
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always first on the list, followed by any known
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networks that have been used at least once before,
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followed by any other known networks and any other
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detected networks as the last group. Within these
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groups the maximum relative signal-strength is the
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main sorting factor.
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'''
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ordered_networks = []
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for bus_obj in self._iface.GetOrderedNetworks():
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ordered_network = OrderedNetwork(bus_obj)
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ordered_networks.append(ordered_network)
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return ordered_networks
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def wps_push_button(self):
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self._wps_manager.PushButton(dbus_interface=IWD_WSC_INTERFACE,
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reply_handler=self._success,
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error_handler=self._failure)
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self._wait_for_async_op()
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def wps_cancel(self):
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self._wps_manager.Cancel(dbus_interface=IWD_WSC_INTERFACE,
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reply_handler=self._success,
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error_handler=self._failure)
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self._wait_for_async_op()
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def __str__(self, prefix = ''):
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return prefix + 'Device: ' + self.device_path + '\n'\
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+ prefix + '\tName:\t\t' + self.name + '\n'\
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+ prefix + '\tAddress:\t' + self.address + '\n'\
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+ prefix + '\tState:\t\t' + str(self.state) + '\n'\
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+ prefix + '\tPowered:\t' + str(self.powered) + '\n'\
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+ prefix + '\tConnected net:\t' + str(self.connected_network) +\
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'\n'
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class Network(IWDDBusAbstract):
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'''Class represents a network object: net.connman.iwd.Network'''
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_iface_name = IWD_NETWORK_INTERFACE
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@property
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def name(self):
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'''
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Network SSID.
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@rtype: string
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'''
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return self._properties['Name']
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@property
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def connected(self):
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'''
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Reflects whether the device is connected to this network.
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@rtype: boolean
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'''
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return bool(self._properties['Connected'])
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def connect(self):
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'''
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Connect to the network. Request the device implied by the object
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path to connect to specified network.
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Possible exception: AbortedEx
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BusyEx
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FailedEx
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NoAgentEx
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NotSupportedEx
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TimeoutEx
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@rtype: void
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'''
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self._iface.Connect(dbus_interface=self._iface_name,
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reply_handler=self._success,
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error_handler=self._failure)
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self._wait_for_async_op()
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def __str__(self, prefix = ''):
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return prefix + 'Network:\n' \
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+ prefix + '\tName:\t' + self.name + '\n' \
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+ prefix + '\tConnected:\t' + str(self.connected)
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class KnownNetwork():
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'''Class represents a known network object.'''
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@property
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def name(self):
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'''Contains the Name (SSID) of the network.'''
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return self._name
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@property
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def type(self):
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'''Contains the type of the network.'''
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return self._type
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@property
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def last_connected_time(self):
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'''
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Contains the last time this network has been connected to.
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The time is given as a string in ISO 8601 format. If the network
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is known, but has never been successfully connected to,
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this attribute is set to None.
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@rtype: string
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'''
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return self._last_connected_time
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@property
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def last_seen_time(self):
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'''
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Contains the last time this network has been seen in scan results.
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@rtype: string
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'''
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return self._last_seen_time
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def __init__(self, n_n_object):
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self._name = n_n_object['Name']
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self._type = NetworkType.from_string(n_n_object['Type'])
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self._last_connected_time = n_n_object.get('LastConnectedTime')
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self._last_seen_time = n_n_object.get('LastSeenTime')
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def __str__(self, prefix = ''):
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return prefix + 'Known Network:\n' \
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+ prefix + '\tName:\t' + self.name + '\n' \
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+ prefix + '\tType:\t' + str(self.type) + '\n' \
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+ prefix + '\tLast connected:\t' + self.last_connected_time + \
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'\n' \
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+ prefix + '\tLast seen:\t' + self.last_seen_time
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class OrderedNetwork(object):
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'''Represents a network found in the scan'''
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def __init__(self, o_n_tuple):
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self._network_object = Network(o_n_tuple[0])
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self._name = o_n_tuple[1]
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self._signal_strength = o_n_tuple[2]
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self._type = NetworkType.from_string(o_n_tuple[3])
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@property
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def network_object(self):
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'''
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net.connman.iwd.Network object representing the network.
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@rtype: Network
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'''
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return self._network_object
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@property
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def name(self):
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'''
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Device's interface name.
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@rtype: string
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'''
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return self._name
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@property
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def signal_strength(self):
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'''
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Network's maximum signal strength expressed in 100 * dBm.
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The value is the range of 0 (strongest signal) to
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-10000 (weakest signal)
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@rtype: number
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'''
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return self._signal_strength
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@property
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def type(self):
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'''
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Contains the type of the network.
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@rtype: NetworkType
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'''
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return self._type
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def __str__(self):
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return 'Ordered Network:\n'\
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'\tName:\t\t' + self.name + '\n'\
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'\tNetwork Type:\t' + str(self.type) + '\n'\
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'\tSignal Strength:'\
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+ ('None' if self.signal_strength is None else\
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str(self.signal_strength)) + '\n'\
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'\tObject: \n' + self.network_object.__str__('\t\t')
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class PSKAgent(dbus.service.Object):
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def __init__(self, passphrase = None):
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self._passphrase = passphrase
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self._path = '/test/agent/' + str(int(round(time.time() * 1000)))
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dbus.service.Object.__init__(self, dbus.SystemBus(), self._path)
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@property
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def path(self):
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return self._path
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@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='', out_signature='')
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def Release(self):
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print("Agent released")
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@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='o',
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out_signature='s')
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def RequestPassphrase(self, path):
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print('Requested passphrase for ' + path)
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if self._passphrase is None:
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raise CanceledEx("canceled")
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return self._passphrase
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@dbus.service.method(IWD_AGENT_INTERFACE, in_signature='s',
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out_signature='')
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def Cancel(self, reason):
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print("Cancel: " + reason)
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class IWD(AsyncOpAbstract):
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''''''
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_bus = dbus.SystemBus()
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_object_manager_if = None
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_agent_manager_if = None
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_known_network_manager_if = None
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_iwd_proc = None
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def __init__(self, start_iwd_daemon = False,
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iwd_config_dir = IWD_CONFIG_DIR):
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global mainloop
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mainloop = GLib.MainLoop()
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if not start_iwd_daemon:
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return
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import subprocess
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iwd_proc = subprocess.Popen(['iwd', '-c', iwd_config_dir])
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tries = 0
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while not self._bus.name_has_owner(IWD_SERVICE):
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if tries > 20:
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iwd_proc.terminate()
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raise TimeoutError('IWD has failed to start')
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tries += 1
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time.sleep(0.05)
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self._iwd_proc = iwd_proc
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def __del__(self):
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if self._iwd_proc is None:
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return
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self._iwd_proc.terminate()
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self._iwd_proc.wait()
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@property
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def _object_manager(self):
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if self._object_manager_if is None:
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self._object_manager_if = \
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dbus.Interface(self._bus.get_object(IWD_SERVICE,
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IWD_TOP_LEVEL_PATH),
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DBUS_OBJECT_MANAGER)
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return self._object_manager_if
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@property
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def _agent_manager(self):
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if self._agent_manager_if is None:
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self._agent_manager_if =\
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dbus.Interface(self._bus.get_object(IWD_SERVICE,
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IWD_AGENT_MANAGER_PATH),
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IWD_AGENT_MANAGER_INTERFACE)
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return self._agent_manager_if
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|
|
@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)
|
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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()
|