# # Copyright (C) 2006, Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA import logging import os import dbus import dbus.glib import dbus.decorators import gobject import gtk from hardware.wepkeydialog import WEPKeyDialog from hardware import nminfo IW_AUTH_ALG_OPEN_SYSTEM = 0x00000001 IW_AUTH_ALG_SHARED_KEY = 0x00000002 NM_DEVICE_STAGE_STRINGS=("Unknown", "Prepare", "Config", "Need Users Key", "IP Config", "IP Config Get", "IP Config Commit", "Post-IP Start" "Activated", "Failed", "Cancled" ) NM_SERVICE = 'org.freedesktop.NetworkManager' NM_IFACE = 'org.freedesktop.NetworkManager' NM_IFACE_DEVICES = 'org.freedesktop.NetworkManager.Devices' NM_PATH = '/org/freedesktop/NetworkManager' DEVICE_TYPE_UNKNOWN = 0 DEVICE_TYPE_802_3_ETHERNET = 1 DEVICE_TYPE_802_11_WIRELESS = 2 DEVICE_TYPE_802_11_MESH_OLPC = 3 NM_DEVICE_CAP_NONE = 0x00000000 NM_DEVICE_CAP_NM_SUPPORTED = 0x00000001 NM_DEVICE_CAP_CARRIER_DETECT = 0x00000002 NM_DEVICE_CAP_WIRELESS_SCAN = 0x00000004 sys_bus = dbus.SystemBus() NM_802_11_CAP_NONE = 0x00000000 NM_802_11_CAP_PROTO_NONE = 0x00000001 NM_802_11_CAP_PROTO_WEP = 0x00000002 NM_802_11_CAP_PROTO_WPA = 0x00000004 NM_802_11_CAP_PROTO_WPA2 = 0x00000008 NM_802_11_CAP_KEY_MGMT_PSK = 0x00000040 NM_802_11_CAP_KEY_MGMT_802_1X = 0x00000080 NM_802_11_CAP_CIPHER_WEP40 = 0x00001000 NM_802_11_CAP_CIPHER_WEP104 = 0x00002000 NM_802_11_CAP_CIPHER_TKIP = 0x00004000 NM_802_11_CAP_CIPHER_CCMP = 0x00008000 NETWORK_STATE_CONNECTING = 0 NETWORK_STATE_CONNECTED = 1 NETWORK_STATE_NOTCONNECTED = 2 DEVICE_STATE_ACTIVATING = 0 DEVICE_STATE_ACTIVATED = 1 DEVICE_STATE_INACTIVE = 2 class Network(gobject.GObject): __gsignals__ = { 'initialized' : (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([gobject.TYPE_BOOLEAN])), 'strength-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])), 'state-changed' : (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])) } def __init__(self, op): gobject.GObject.__init__(self) self._op = op self._ssid = None self._mode = None self._strength = 0 self._caps = 0 self._valid = False self._state = NETWORK_STATE_NOTCONNECTED obj = sys_bus.get_object(NM_SERVICE, self._op) net = dbus.Interface(obj, NM_IFACE_DEVICES) net.getProperties(reply_handler=self._update_reply_cb, error_handler=self._update_error_cb) def _update_reply_cb(self, *props): self._ssid = props[1] self._strength = props[3] self._mode = props[6] self._caps = props[7] if self._caps & NM_802_11_CAP_PROTO_WPA or self._caps & NM_802_11_CAP_PROTO_WPA2: # We do not support WPA at this time, so don't show # WPA-enabled access points in the menu logging.debug("Net(%s): ssid '%s' dropping because WPA[2] unsupported" % (self._op, self._ssid)) self._valid = False self.emit('initialized', self._valid) return self._valid = True logging.debug("Net(%s): ssid '%s', mode %d, strength %d" % (self._op, self._ssid, self._mode, self._strength)) self.emit('initialized', self._valid) def _update_error_cb(self, err): logging.debug("Net(%s): failed to update. (%s)" % (self._op, err)) self._valid = False self.emit('initialized', self._valid) def get_ssid(self): return self._ssid def get_caps(self): return self._caps def get_mode(self): return self._mode def get_state(self): return self._state def set_state(self, state): if state == self._state: return self._state = state if self._valid: self.emit('state-changed') def get_op(self): return self._op def get_strength(self): return self._strength def set_strength(self, strength): if strength == self._strength: return self._strength = strength if self._valid: self.emit('strength-changed') def is_valid(self): return self._valid class Device(gobject.GObject): __gsignals__ = { 'initialized': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])), 'init-failed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])), 'ssid-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])), 'strength-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])), 'state-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])), 'network-appeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])), 'network-disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])) } def __init__(self, op): gobject.GObject.__init__(self) self._op = op self._iface = None self._type = DEVICE_TYPE_UNKNOWN self._udi = None self._active = False self._strength = 0 self._link = False self._valid = False self._networks = {} self._caps = 0 self._state = DEVICE_STATE_INACTIVE self._ssid = None self._active_network = None obj = sys_bus.get_object(NM_SERVICE, self._op) dev = dbus.Interface(obj, NM_IFACE_DEVICES) dev.getProperties(reply_handler=self._update_reply_cb, error_handler=self._update_error_cb) def _update_reply_cb(self, *props): self._iface = props[1] self._type = props[2] self._udi = props[3] self._active = props[4] self._link = props[15] self._caps = props[17] if self._type == DEVICE_TYPE_802_11_WIRELESS: old_strength = self._strength self._strength = props[14] if self._strength != old_strength: self.emit('strength-changed') self._update_networks(props[20], props[19]) elif self._type == DEVICE_TYPE_802_11_MESH_OLPC: old_strength = self._strength self._strength = props[14] if self._strength != old_strength: self.emit('strength-changed') self._valid = True if self._active: self.set_state(DEVICE_STATE_ACTIVATED) else: self.set_state(DEVICE_STATE_INACTIVE) self.emit('initialized') def _update_networks(self, net_ops, active_op): for op in net_ops: net = Network(op) self._networks[op] = net net.connect('initialized', lambda *args: self._net_initialized_cb(active_op, *args)) def _update_error_cb(self, err): logging.debug("Device(%s): failed to update. (%s)" % (self._op, err)) self._valid = False self.emit('init-failed') def _net_initialized_cb(self, active_op, net, valid): net_op = net.get_op() if not self._networks.has_key(net_op): return if not valid: # init failure del self._networks[net_op] return # init success self.emit('network-appeared', net) if active_op and net_op == active_op: self.set_active_network(net) def get_op(self): return self._op def get_networks(self): ret = [] for net in self._networks.values(): if net.is_valid(): ret.append(net) return ret def get_network(self, op): if self._networks.has_key(op) and self._networks[op].is_valid(): return self._networks[op] return None def get_network_ops(self): ret = [] for net in self._networks.values(): if net.is_valid(): ret.append(net.get_op()) return ret def get_strength(self): return self._strength def set_strength(self, strength): if strength == self._strength: return False if strength >= 0 and strength <= 100: self._strength = strength else: self._strength = 0 self.emit('strength-changed') def network_appeared(self, network): if self._networks.has_key(network): return net = Network(network) self._networks[network] = net net.connect('initialized', lambda *args: self._net_initialized_cb(None, *args)) def network_disappeared(self, network): if not self._networks.has_key(network): return self.emit('network-disappeared', self._networks[network]) del self._networks[network] def set_active_network(self, network): if self._active_network == network: return # Make sure the old one doesn't get a stuck state if self._active_network: self._active_network.set_state(NETWORK_STATE_NOTCONNECTED) self._active_network = network # don't emit ssid-changed for networks that are not yet valid if self._active_network and self._active_network.is_valid(): self.emit('ssid-changed') elif not self._active_network: self.emit('ssid-changed') def _get_active_net_cb(self, state, net_op): if not self._networks.has_key(net_op): self.set_active_network(None) return self.set_active_network(self._networks[net_op]) _device_to_network_state = { DEVICE_STATE_ACTIVATING : NETWORK_STATE_CONNECTING, DEVICE_STATE_ACTIVATED : NETWORK_STATE_CONNECTED, DEVICE_STATE_INACTIVE : NETWORK_STATE_NOTCONNECTED } network_state = _device_to_network_state[state] self._active_network.set_state(network_state) def _get_active_net_error_cb(self, err): logging.debug("Couldn't get active network: %s" % err) self.set_active_network(None) def get_state(self): return self._state def set_state(self, state): if state == self._state: return self._state = state self.emit('state-changed') if self._type == DEVICE_TYPE_802_11_WIRELESS: if state == DEVICE_STATE_INACTIVE: self.set_active_network(None) else: obj = sys_bus.get_object(NM_SERVICE, self._op) dev = dbus.Interface(obj, NM_IFACE_DEVICES) dev.getActiveNetwork(reply_handler=lambda *args: self._get_active_net_cb(state, *args), error_handler=self._get_active_net_error_cb) def get_ssid(self): return self._ssid def get_type(self): return self._type def is_valid(self): return self._valid def set_carrier(self, on): self._link = on def get_capabilities(self): return self._caps class NMClient(gobject.GObject): __gsignals__ = { 'device-added' : (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])), 'device-activated' : (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])), 'device-activating': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])), 'device-removed' : (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])) } def __init__(self): gobject.GObject.__init__(self) self.nminfo = None self._nm_present = False self._update_timer = 0 self._devices = {} try: self.nminfo = nminfo.NMInfo(self) except RuntimeError: pass self._setup_dbus() if self._nm_present: self._get_initial_devices() def get_devices(self): return self._devices.values() def _get_initial_devices_reply_cb(self, ops): for op in ops: self._add_device(op) def _dev_initialized_cb(self, dev): self.emit('device-added', dev) def _dev_init_failed_cb(self, dev): # Device failed to initialize, likely due to dbus errors or something op = dev.get_op() self._remove_device(op) def _get_initial_devices_error_cb(self, err): logging.debug("Error updating devices (%s)" % err) def _get_initial_devices(self): self._nm_obj.getDevices(reply_handler=self._get_initial_devices_reply_cb, \ error_handler=self._get_initial_devices_error_cb) def _add_device(self, dev_op): if self._devices.has_key(dev_op): return dev = Device(dev_op) self._devices[dev_op] = dev dev.connect('init-failed', self._dev_init_failed_cb) dev.connect('initialized', self._dev_initialized_cb) dev.connect('state-changed', self._dev_state_changed_cb) def _remove_device(self, dev_op): if not self._devices.has_key(dev_op): return dev = self._devices[dev_op] if dev.is_valid(): self.emit('device-removed', dev) del self._devices[dev_op] def _dev_state_changed_cb(self, dev): op = dev.get_op() if not self._devices.has_key(op) or not dev.is_valid(): return if dev.get_state() == DEVICE_STATE_ACTIVATING: self.emit('device-activating', dev) elif dev.get_state() == DEVICE_STATE_ACTIVATED: self.emit('device-activated', dev) def get_device(self, dev_op): if not self._devices.has_key(dev_op): return None return self._devices[dev_op] def _setup_dbus(self): self._sig_handlers = { 'DeviceAdded': self.device_added_sig_handler, 'DeviceRemoved': self.device_removed_sig_handler, 'DeviceActivationStage': self.device_activation_stage_sig_handler, 'DeviceActivating': self.device_activating_sig_handler, 'DeviceNowActive': self.device_now_active_sig_handler, 'DeviceNoLongerActive': self.device_no_longer_active_sig_handler, 'DeviceActivationFailed': self.device_activation_failed_sig_handler, 'DeviceCarrierOn': self.device_carrier_on_sig_handler, 'DeviceCarrierOff': self.device_carrier_off_sig_handler, 'DeviceStrengthChanged': self.wireless_device_strength_changed_sig_handler, 'WirelessNetworkAppeared': self.wireless_network_appeared_sig_handler, 'WirelessNetworkDisappeared': self.wireless_network_disappeared_sig_handler, 'WirelessNetworkStrengthChanged': self.wireless_network_strength_changed_sig_handler } self._nm_proxy = sys_bus.get_object(NM_SERVICE, NM_PATH) self._nm_obj = dbus.Interface(self._nm_proxy, NM_IFACE) sys_bus.add_signal_receiver(self.name_owner_changed_sig_handler, signal_name="NameOwnerChanged", dbus_interface="org.freedesktop.DBus") for (signal, handler) in self._sig_handlers.items(): sys_bus.add_signal_receiver(handler, signal_name=signal, dbus_interface=NM_IFACE) # Find out whether or not NM is running try: bus_object = sys_bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus') name = bus_object.GetNameOwner("org.freedesktop.NetworkManagerInfo", \ dbus_interface='org.freedesktop.DBus') if name: self._nm_present = True except dbus.DBusException: pass def set_active_device(self, device, network=None): ssid = "" if network: ssid = network.get_ssid() try: # NM 0.6.4 and earlier have a bug which returns an # InvalidArguments error if no security information is passed # for wireless networks self._nm_obj.setActiveDevice(device.get_op(), ssid) except dbus.DBusException, e: if str(e).find("invalid arguments"): pass else: raise dbus.DBusException(e) def get_key_for_network(self, net, async_cb, async_err_cb): # Throw up a dialog asking for the key here, and set # the authentication algorithm to the given one, if any # # Key needs to be limited to _either_ 10 or 26 digits long, # and contain _only_ _hex_ digits, 0-9 or a-f # # Auth algorithm should be a dropdown of: [Open System, Shared Key], # mapping to the values [IW_AUTH_ALG_OPEN_SYSTEM, IW_AUTH_ALG_SHARED_KEY] # above self._key_dialog = WEPKeyDialog(net, async_cb, async_err_cb) self._key_dialog.connect("response", self._key_dialog_response_cb) self._key_dialog.connect("destroy", self._key_dialog_destroy_cb) self._key_dialog.show_all() def _key_dialog_destroy_cb(self, widget, foo=None): if widget != self._key_dialog: return self._key_dialog_response_cb(widget, gtk.RESPONSE_CANCEL) def _key_dialog_response_cb(self, widget, response_id): if widget != self._key_dialog: return key = self._key_dialog.get_key() wep_auth_alg = self._key_dialog.get_auth_alg() net = self._key_dialog.get_network() (async_cb, async_err_cb) = self._key_dialog.get_callbacks() # Clear self._key_dialog before we call destroy(), otherwise # the destroy will trigger and we'll get called again by # self._key_dialog_destroy_cb self._key_dialog = None widget.destroy() if response_id == gtk.RESPONSE_OK: self.nminfo.get_key_for_network_cb( net, key, wep_auth_alg, async_cb, async_err_cb, canceled=False) else: self.nminfo.get_key_for_network_cb( net, None, None, async_cb, async_err_cb, canceled=True) def cancel_get_key_for_network(self): # Close the wireless key dialog and just have it return # with the 'canceled' argument set to true if not self._key_dialog: return self._key_dialog_destroy_cb(self._key_dialog) def device_activation_stage_sig_handler(self, device, stage): logging.debug('Device Activation Stage "%s" for device %s' % (NM_DEVICE_STAGE_STRINGS[stage], device)) def device_activating_sig_handler(self, device): logging.debug('DeviceActivating for %s' % (device)) if not self._devices.has_key(device): logging.debug('DeviceActivating, device %s does not exist' % (device)) return self._devices[device].set_state(DEVICE_STATE_ACTIVATING) def device_now_active_sig_handler(self, device, ssid=None): logging.debug('DeviceNowActive for %s' % (device)) if not self._devices.has_key(device): logging.debug('DeviceNowActive, device %s does not exist' % (device)) return self._devices[device].set_state(DEVICE_STATE_ACTIVATED) def device_no_longer_active_sig_handler(self, device): logging.debug('DeviceNoLongerActive for %s' % (device)) if not self._devices.has_key(device): logging.debug('DeviceNoLongerActive, device %s does not exist' % (device)) return self._devices[device].set_state(DEVICE_STATE_INACTIVE) def device_activation_failed_sig_handler(self, device, ssid=None): logging.debug('DeviceActivationFailed for %s' % (device)) if not self._devices.has_key(device): logging.debug('DeviceActivationFailed, device %s does not exist' % (device)) return self._devices[device].set_state(DEVICE_STATE_INACTIVE) def name_owner_changed_sig_handler(self, name, old, new): if name != NM_SERVICE: return if (old and len(old)) and (not new and not len(new)): # NM went away self._nm_present = False for op in self._devices.keys(): del self._devices[op] self._devices = {} elif (not old and not len(old)) and (new and len(new)): # NM started up self._nm_present = True self._get_initial_devices() def device_added_sig_handler(self, device): logging.debug('DeviceAdded for %s' % (device)) self._add_device(device) def device_removed_sig_handler(self, device): logging.debug('DeviceRemoved for %s' % (device)) self._remove_device(device) def wireless_network_appeared_sig_handler(self, device, network): if not self._devices.has_key(device): return self._devices[device].network_appeared(network) def wireless_network_disappeared_sig_handler(self, device, network): if not self._devices.has_key(device): return self._devices[device].network_disappeared(network) def wireless_device_strength_changed_sig_handler(self, device, strength): if not self._devices.has_key(device): return self._devices[device].set_strength(strength) def wireless_network_strength_changed_sig_handler(self, device, network, strength): if not self._devices.has_key(device): return net = self._devices[device].get_network(network) if net: net.set_strength(strength) def device_carrier_on_sig_handler(self, device): if not self._devices.has_key(device): return self._devices[device].set_carrier(True) def device_carrier_off_sig_handler(self, device): if not self._devices.has_key(device): return self._devices[device].set_carrier(False)