3
0
mirror of https://git.kernel.org/pub/scm/network/wireless/iwd.git synced 2024-11-22 23:09:34 +01:00
iwd/autotests/util/iwd.py
2017-10-26 16:00:42 -05:00

728 lines
23 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
import wiphy
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_SIGNAL_AGENT_INTERFACE = 'net.connman.iwd.SignalLevelAgent'
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 NotConfiguredEx(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,
'NotConfigured' : NotConfiguredEx,
'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:
context.iteration(may_block=True)
self._is_completed = False
if self._exception is not None:
tmp = self._exception
self._exception = None
raise tmp
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'
roaming = 'roaming'
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 SignalAgent(dbus.service.Object):
def __init__(self, passphrase = None):
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_SIGNAL_AGENT_INTERFACE,
in_signature='', out_signature='')
def Release(self):
print("SignalAgent released")
@dbus.service.method(IWD_SIGNAL_AGENT_INTERFACE,
in_signature='oy', out_signature='')
def SignalLevelChanged(self, path, level):
self.handle_new_level(str(path), int(level))
@abstractmethod
def handle_new_level(self, path, level):
pass
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 register_signal_agent(self, signal_agent, levels):
self._iface.RegisterSignalLevelAgent(signal_agent.path,
dbus.Array(levels, 'n'),
dbus_interface=self._iface_name,
reply_handler=self._success,
error_handler=self._failure)
self._wait_for_async_op()
def unregister_signal_agent(self, signal_agent):
self._iface.UnregisterSignalLevelAgent(signal_agent.path,
dbus_interface=self._iface_name,
reply_handler=self._success,
error_handler=self._failure)
self._wait_for_async_op()
def start_ap(self, ssid, psk):
self._iface.StartAccessPoint(ssid, psk,
dbus_interface=self._iface_name,
reply_handler=self._success,
error_handler=self._failure)
self._wait_for_async_op()
def stop_ap(self):
self._iface.StopAccessPoint(dbus_interface=self._iface_name,
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 start_iwd_daemon:
iwd_wiphys = [wname for wname, wiphy in wiphy.wiphy_map.items()
if any(intf for intf in wiphy.values()
if intf.use == 'iwd')]
whitelist = ','.join(iwd_wiphys)
import subprocess
iwd_proc = subprocess.Popen(['iwd', '-c', iwd_config_dir, '-p',
whitelist])
self._iwd_proc = iwd_proc
tries = 0
while not self._bus.name_has_owner(IWD_SERVICE):
if tries > 100:
if start_iwd_daemon:
iwd_proc.terminate()
raise TimeoutError('IWD has failed to start')
tries += 1
time.sleep(0.05)
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):
self._wait_timed_out = False
def wait_timeout_cb():
self._wait_timed_out = True
return False
timeout = GLib.timeout_add_seconds(max_wait, wait_timeout_cb)
context = mainloop.get_context()
while not eval(condition_str):
context.iteration(may_block=True)
if self._wait_timed_out:
raise TimeoutError('[' + condition_str + ']'\
' condition was not met in '\
+ str(max_wait) + ' sec')
GLib.source_remove(timeout)
def wait(self, time):
self._wait_timed_out = False
def wait_timeout_cb():
self._wait_timed_out = True
return False
GLib.timeout_add(int(time * 1000), wait_timeout_cb)
context = mainloop.get_context()
while not self._wait_timed_out:
context.iteration(may_block=True)
@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()