Some work on the network devices

This commit is contained in:
Marco Pesenti Gritti 2007-02-25 02:00:40 +01:00
parent 89aa65d0f6
commit 755250947a
14 changed files with 990 additions and 15 deletions

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@ -1,4 +1,4 @@
SUBDIRS = data model view
SUBDIRS = data hardware model view
bin_SCRIPTS = \
sugar-activity \

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@ -1,4 +1,6 @@
sugardir = $(pkgdatadir)/shell/hardware
sugar_PYTHON = \
__init__.py \
hardwaremanager.py
hardwaremanager.py \
nmclient.py \
nminfo.py

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@ -18,6 +18,7 @@ import logging
import dbus
from hardware.nmclient import NMClient
from _sugar import AudioManager
_HARDWARE_MANAGER_INTERFACE = 'org.laptop.HardwareManager'
@ -65,5 +66,9 @@ def get_hardware_manager():
def get_audio_manager():
return _audio_manager
def get_network_manager():
return _network_manager
_hardware_manager = HardwareManager()
_audio_manager = AudioManager()
_network_manager = NMClient()

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shell/hardware/nmclient.py Normal file
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@ -0,0 +1,467 @@
#
# 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
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",
"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
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
class Network(gobject.GObject):
__gsignals__ = {
'init-failed': (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._valid = False
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]
caps = props[7]
if caps & NM_802_11_CAP_PROTO_WPA or 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('init-failed')
else:
self._valid = True
logging.debug("Net(%s): ssid '%s', mode %d, strength %d" % (self._op,
self._ssid, self._mode, self._strength))
def _update_error_cb(self, err):
logging.debug("Net(%s): failed to update. (%s)" % (self._op, err))
self._valid = False
self.emit('init-failed')
def get_ssid(self):
return self._ssid
def get_op(self):
return self._op
def get_strength(self):
return self._strength
def set_strength(self, strength):
self._strength = strength
def is_valid(self):
return self._valid
class Device(gobject.GObject):
__gsignals__ = {
'init-failed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'activated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'strength-changed': (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._active_net = None
self._caps = 0
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]
if self._active:
self.emit('activated')
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._strength)
self._update_networks(props[20], props[19])
self._valid = True
def _update_networks(self, net_ops, active_op):
for op in net_ops:
net = Network(op)
self._networks[op] = net
net.connect('init-failed', self._net_init_failed)
if op == active_op:
self._active_net = op
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_init_failed(self, net):
net_op = net.get_op()
if not self._networks.has_key(net_op):
return
if net_op == self._active_net:
self._active_net = None
del self._networks[net_op]
def get_op(self):
return self._op
def get_network(self, op):
if self._networks.has_key(op):
return self._networks[op]
return None
def get_network_ops(self):
return self._networks.keys()
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', self._strength)
def network_appeared(self, network):
if self._networks.has_key(network):
return
net = Network(network)
self._networks[network] = net
net.connect('init-failed', self._net_init_failed)
def network_disappeared(self, network):
if not self._networks.has_key(network):
return
if network == self._active_net:
self._active_net = None
del self._networks[network]
def get_active(self):
return self._active
def set_active(self, active, ssid=None):
self._active = active
if self._type == DEVICE_TYPE_802_11_WIRELESS:
if not ssid:
self._active_net = None
else:
for (op, net) in self._networks.items():
if net.get_ssid() == ssid:
self._active_net = op
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
NM_STATE_UNKNOWN = 0
NM_STATE_ASLEEP = 1
NM_STATE_CONNECTING = 2
NM_STATE_CONNECTED = 3
NM_STATE_DISCONNECTED = 4
class NMClient(object):
def __init__(self):
self.nminfo = None
self._nm_present = False
self._nm_state = NM_STATE_UNKNOWN
self._update_timer = 0
self._active_device = None
self._devices = {}
try:
self.nminfo = nminfo.NMInfo(self)
except RuntimeError:
pass
self._setup_dbus()
if self._nm_present:
self._get_nm_state()
self._get_initial_devices()
def get_devices(self):
return self._devices
def _get_nm_state(self):
# Grab NM's state
self._nm_obj.state(reply_handler=self._get_state_reply_cb, \
error_handler=self._get_state_error_cb)
def _get_state_reply_cb(self, state):
self._nm_state = state
def _get_state_error_cb(self, err):
logging.debug("Failed to get NetworkManager state! %s" % err)
def _get_initial_devices_reply_cb(self, ops):
for op in ops:
self._add_device(op)
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('activated', self._dev_activated_cb)
dev.connect('strength-changed', self._dev_strength_changed_cb)
def _remove_device(self, dev_op):
if not self._devices.has_key(dev_op):
return
if self._active_device == dev_op:
self._active_device = None
dev = self._devices[dev_op]
dev.disconnect('activated')
dev.disconnect('init-failed')
dev.disconnect('strength-changed')
del self._devices[dev_op]
def _dev_activated_cb(self, dev):
op = dev.get_op()
if not self._devices.has_key(op):
return
if not dev.get_active():
return
self._active_device = op
def _dev_strength_changed_cb(self, dev, strength):
op = dev.get_op()
if not self._devices.has_key(op):
return
if not dev.get_active():
return
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 = {
'StateChange': self.state_change_sig_handler,
'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,
'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 get_key_for_network(self, net, async_cb, async_err_cb):
pass
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 state_change_sig_handler(self, state):
self._nm_state = state
def device_activating_sig_handler(self, device):
self._active_device = device
def device_now_active_sig_handler(self, device, ssid=None):
if not self._devices.has_key(device):
return
self._active_device = device
self._devices[device].set_active(True, ssid)
def device_no_longer_active_sig_handler(self, device):
if not self._devices.has_key(device):
return
if self._active_device == device:
self._active_device = None
self._devices[device].set_active(False)
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 = {}
self._active_device = None
self._nm_state = NM_STATE_UNKNOWN
elif (not old and not len(old)) and (new and len(new)):
# NM started up
self._nm_present = True
self._get_nm_state()
self._get_initial_devices()
def device_added_sig_handler(self, device):
self._add_device(device)
def device_removed_sig_handler(self, 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)

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shell/hardware/nminfo.py Normal file
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@ -0,0 +1,467 @@
# vi: ts=4 ai noet
#
# 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 dbus
import dbus.service
import time
import os
import binascii
import ConfigParser
import logging
import nmclient
try:
from sugar import env
except ImportError:
pass
NM_INFO_IFACE='org.freedesktop.NetworkManagerInfo'
NM_INFO_PATH='/org/freedesktop/NetworkManagerInfo'
class NoNetworks(dbus.DBusException):
def __init__(self):
dbus.DBusException.__init__(self)
self._dbus_error_name = NM_INFO_IFACE + '.NoNetworks'
class CanceledKeyRequestError(dbus.DBusException):
def __init__(self):
dbus.DBusException.__init__(self)
self._dbus_error_name = NM_INFO_IFACE + '.CanceledError'
class NetworkInvalidError(Exception):
pass
class NMConfig(ConfigParser.ConfigParser):
def get_bool(self, section, name):
opt = self.get(section, name)
if type(opt) == type(""):
if opt.lower() == 'yes' or opt.lower() == 'true':
return True
elif opt.lower() == 'no' or opt.lower() == 'false':
return False
raise ValueError("Invalid format for %s/%s. Should be one of [yes, no, true, false]." % (section, name))
def get_list(self, section, name):
opt = self.get(section, name)
if type(opt) == type(""):
if not len(opt):
return []
try:
return opt.split()
except Exception:
pass
raise ValueError("Invalid format for %s/%s. Should be a space-separate list." % (section, name))
def get_int(self, section, name):
opt = self.get(section, name)
try:
return int(opt)
except Exception:
pass
raise ValueError("Invalid format for %s/%s. Should be a valid integer." % (section, name))
def get_float(self, section, name):
opt = self.get(section, name)
try:
return float(opt)
except Exception:
pass
raise ValueError("Invalid format for %s/%s. Should be a valid float." % (section, name))
IW_AUTH_CIPHER_NONE = 0x00000001
IW_AUTH_CIPHER_WEP40 = 0x00000002
IW_AUTH_CIPHER_TKIP = 0x00000004
IW_AUTH_CIPHER_CCMP = 0x00000008
IW_AUTH_CIPHER_WEP104 = 0x00000010
IW_AUTH_ALG_OPEN_SYSTEM = 0x00000001
IW_AUTH_ALG_SHARED_KEY = 0x00000002
NETWORK_TYPE_UNKNOWN = 0
NETWORK_TYPE_ALLOWED = 1
NETWORK_TYPE_INVALID = 2
class Security(object):
def __init__(self, we_cipher):
self._we_cipher = we_cipher
def read_from_config(self, cfg, name):
pass
def read_from_args(self, args):
pass
def new_from_config(cfg, name):
security = None
try:
we_cipher = cfg.get_int(name, "we_cipher")
if we_cipher == IW_AUTH_CIPHER_NONE:
security = Security(we_cipher)
elif we_cipher == IW_AUTH_CIPHER_WEP40 or we_cipher == IW_AUTH_CIPHER_WEP104:
security = WEPSecurity(we_cipher)
else:
# FIXME: find a way to make WPA config option matrix not
# make you want to throw up
raise ValueError("Unsupported security combo")
security.read_from_config(cfg, name)
except (ConfigParser.NoOptionError, ValueError), e:
return None
return security
new_from_config = staticmethod(new_from_config)
def new_from_args(we_cipher, args):
security = None
try:
if we_cipher == IW_AUTH_CIPHER_NONE:
security = Security(we_cipher)
elif we_cipher == IW_AUTH_CIPHER_WEP40 or we_cipher == IW_AUTH_CIPHER_WEP104:
security = WEPSecurity(we_cipher)
else:
# FIXME: find a way to make WPA config option matrix not
# make you want to throw up
raise ValueError("Unsupported security combo")
security.read_from_args(args)
except ValueError, e:
logging.debug("Error reading security information: %s" % e)
del security
return None
return security
new_from_args = staticmethod(new_from_args)
def get_properties(self):
return [dbus.Int32(self._we_cipher)]
def write_to_config(self, section, config):
config.set(section, "we_cipher", self._we_cipher)
class WEPSecurity(Security):
def read_from_args(self, args):
if len(args) != 2:
raise ValueError("not enough arguments")
key = args[0]
auth_alg = args[1]
if isinstance(key, unicode):
key = key.encode()
if not isinstance(key, str):
raise ValueError("wrong argument type for key")
if not isinstance(auth_alg, int):
raise ValueError("wrong argument type for auth_alg")
self._key = key
self._auth_alg = auth_alg
def read_from_config(self, cfg, name):
# Key should be a hex encoded string
self._key = cfg.get(name, "key")
if self._we_cipher == IW_AUTH_CIPHER_WEP40 and len(self._key) != 10:
raise ValueError("Key length not right for 40-bit WEP")
if self._we_cipher == IW_AUTH_CIPHER_WEP104 and len(self._key) != 26:
raise ValueError("Key length not right for 104-bit WEP")
try:
a = binascii.a2b_hex(self._key)
except TypeError:
raise ValueError("Key was not a hexadecimal string.")
self._auth_alg = cfg.get_int(name, "auth_alg")
if self._auth_alg != IW_AUTH_ALG_OPEN_SYSTEM and self._auth_alg != IW_AUTH_ALG_SHARED_KEY:
raise ValueError("Invalid authentication algorithm %d" % self._auth_alg)
def get_properties(self):
args = Security.get_properties(self)
args.append(dbus.String(self._key))
args.append(dbus.Int32(self._auth_alg))
return args
def write_to_config(self, section, config):
Security.write_to_config(self, section, config)
config.set(section, "key", self._key)
config.set(section, "auth_alg", self._auth_alg)
class Network:
def __init__(self, ssid):
self.ssid = ssid
self.timestamp = int(time.time())
self.bssids = []
self.we_cipher = 0
self._security = None
def get_properties(self):
bssid_list = dbus.Array([], signature="s")
for item in self.bssids:
bssid_list.append(dbus.String(item))
args = [dbus.String(self.ssid), dbus.Int32(self.timestamp), dbus.Boolean(True), bssid_list]
args += self._security.get_properties()
return tuple(args)
def get_security(self):
return self._security.get_properties()
def set_security(self, security):
self._security = security
def read_from_args(self, auto, bssid, we_cipher, args):
if auto == False:
self.timestamp = int(time.time())
if not bssid in self.bssids:
self.bssids.append(bssid)
self._security = Security.new_from_args(we_cipher, args)
if not self._security:
raise NetworkInvalidError("Invalid security information")
def read_from_config(self, config):
try:
self.timestamp = config.get_int(self.ssid, "timestamp")
except (ConfigParser.NoOptionError, ValueError), e:
raise NetworkInvalidError(e)
self._security = Security.new_from_config(config, self.ssid)
if not self._security:
raise NetworkInvalidError(e)
# The following don't need to be present
try:
self.bssids = config.get_list(self.ssid, "bssids")
except (ConfigParser.NoOptionError, ValueError), e:
pass
def write_to_config(self, config):
try:
config.add_section(self.ssid)
config.set(self.ssid, "timestamp", self.timestamp)
if len(self.bssids) > 0:
opt = " "
opt.join(self.bssids)
config.set(self.ssid, "bssids", opt)
self._security.write_to_config(self.ssid, config)
except Exception, e:
logging.debug("Error writing '%s': %s" % (self.ssid, e))
class NotFoundError(dbus.DBusException):
pass
class UnsupportedError(dbus.DBusException):
pass
class NMInfoDBusServiceHelper(dbus.service.Object):
def __init__(self, parent):
self._parent = parent
bus = dbus.SystemBus()
# If NMI is already around, don't grab the NMI service
bus_object = bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus')
name = None
try:
name = bus_object.GetNameOwner("org.freedesktop.NetworkManagerInfo", \
dbus_interface='org.freedesktop.DBus')
except dbus.DBusException:
pass
if name:
logging.debug("NMI service already owned by %s, won't claim it." % name)
raise RuntimeError
bus_name = dbus.service.BusName(NM_INFO_IFACE, bus=bus)
dbus.service.Object.__init__(self, bus_name, NM_INFO_PATH)
@dbus.service.method(NM_INFO_IFACE, in_signature='i', out_signature='as')
def getNetworks(self, net_type):
ssids = self._parent.get_networks(net_type)
if len(ssids) > 0:
return dbus.Array(ssids)
raise NoNetworks()
@dbus.service.method(NM_INFO_IFACE, in_signature='si', async_callbacks=('async_cb', 'async_err_cb'))
def getNetworkProperties(self, ssid, net_type, async_cb, async_err_cb):
self._parent.get_network_properties(ssid, net_type, async_cb, async_err_cb)
@dbus.service.method(NM_INFO_IFACE)
def updateNetworkInfo(self, ssid, bauto, bssid, cipher, *args):
self._parent.update_network_info(ssid, bauto, bssid, cipher, args)
@dbus.service.method(NM_INFO_IFACE, async_callbacks=('async_cb', 'async_err_cb'))
def getKeyForNetwork(self, dev_path, net_path, ssid, attempt, new_key, async_cb, async_err_cb):
self._parent.get_key_for_network(dev_path, net_path, ssid,
attempt, new_key, async_cb, async_err_cb)
@dbus.service.method(NM_INFO_IFACE)
def cancelGetKeyForNetwork(self):
self._parent.cancel_get_key_for_network()
class NMInfo(object):
def __init__(self, client):
try:
profile_path = env.get_profile_path()
except NameError:
home = os.path.expanduser("~")
profile_path = os.path.join(home, ".sugar", "default")
self._cfg_file = os.path.join(profile_path, "nm", "networks.cfg")
self._nmclient = client
self._allowed_networks = self._read_config()
self._dbus_helper = NMInfoDBusServiceHelper(self)
def save_config(self):
self._write_config(self._allowed_networks)
def _read_config(self):
if not os.path.exists(os.path.dirname(self._cfg_file)):
os.makedirs(os.path.dirname(self._cfg_file), 0755)
if not os.path.exists(self._cfg_file):
self._write_config({})
return {}
config = NMConfig()
config.read(self._cfg_file)
networks = {}
for name in config.sections():
if not isinstance(name, unicode):
name = unicode(name)
net = Network(name)
try:
net.read_from_config(config)
networks[name] = net
except NetworkInvalidError, e:
logging.debug("Error: invalid stored network config: %s" % e)
del net
del config
return networks
def _write_config(self, networks):
fp = open(self._cfg_file, 'w')
config = NMConfig()
for net in networks.values():
net.write_to_config(config)
config.write(fp)
fp.close()
del config
def get_networks(self, net_type):
if net_type != NETWORK_TYPE_ALLOWED:
raise ValueError("Bad network type")
nets = []
for net in self._allowed_networks.values():
nets.append(net.ssid)
logging.debug("Returning networks: %s" % nets)
return nets
def get_network_properties(self, ssid, net_type, async_cb, async_err_cb):
if not isinstance(ssid, unicode):
async_err_cb(ValueError("Invalid arguments; ssid must be unicode."))
if net_type != NETWORK_TYPE_ALLOWED:
async_err_cb(ValueError("Bad network type"))
if not self._allowed_networks.has_key(ssid):
async_err_cb(NotFoundError("Network '%s' not found." % ssid))
network = self._allowed_networks[ssid]
props = network.get_properties()
# DBus workaround: the normal method return handler wraps
# the returned arguments in a tuple and then converts that to a
# struct, but NetworkManager expects a plain list of arguments.
# It turns out that the async callback method return code _doesn't_
# wrap the returned arguments in a tuple, so as a workaround use
# the async callback stuff here even though we're not doing it
# asynchronously.
async_cb(*props)
def update_network_info(self, ssid, auto, bssid, we_cipher, args):
if not isinstance(ssid, unicode):
raise ValueError("Invalid arguments; ssid must be unicode.")
if self._allowed_networks.has_key(ssid):
del self._allowed_networks[ssid]
net = Network(ssid)
try:
net.read_from_args(auto, bssid, we_cipher, args)
logging.debug("Updated network information for '%s'." % ssid)
self._allowed_networks[ssid] = net
self.save_config()
except NetworkInvalidError, e:
logging.debug("Error updating network information: %s" % e)
del net
def get_key_for_network(self, dev_op, net_op, ssid, attempt, new_key, async_cb, async_err_cb):
if not isinstance(ssid, unicode):
raise ValueError("Invalid arguments; ssid must be unicode.")
if self._allowed_networks.has_key(ssid) and not new_key:
# We've got the info already
net = self._allowed_networks[ssid]
async_cb(tuple(net.get_security()))
return
# Otherwise, ask the user for it
net = None
dev = self._nmclient.get_device(dev_op)
if not dev:
async_err_cb(NotFoundError("Device was unknown."))
return
if dev.get_type() == nmclient.DEVICE_TYPE_802_3_ETHERNET:
# We don't support wired 802.1x yet...
async_err_cb(UnsupportedError("Device type is unsupported by NMI."))
return
net = dev.get_network(net_op)
if not net:
async_err_cb(NotFoundError("Network was unknown."))
return
self._nmclient.get_key_for_network(net, async_cb, async_err_cb)
def get_key_for_network_cb(self, net, key, auth_alg, async_cb, async_err_cb, canceled=False):
"""
Called by the NMClient when the Wireless Network Key dialog
is closed.
"""
if canceled:
e = CanceledKeyRequestError("Request was canceled.")
# key dialog dialog was canceled; send the error back to NM
async_err_cb(e)
return
if not key or not auth_alg:
# no key returned, *** BUG ***; the key dialog
# should always return either a key + auth_alg, or a
#cancel error
raise RuntimeError("No key or auth alg given! Bug!")
we_cipher = None
if len(key) == 26:
we_cipher = IW_AUTH_CIPHER_WEP104
elif len(key) == 10:
we_cipher = IW_AUTH_CIPHER_WEP40
else:
raise RuntimeError("Invalid key length!")
# Stuff the returned key and auth algorithm into a security object
# and return it to NetworkManager
sec = Security.new_from_args(we_cipher, (key, auth_alg))
if not sec:
raise RuntimeError("Invalid security arguments.")
props = sec.get_properties()
a = tuple(props)
async_cb(*a)
def cancel_get_key_for_network(self):
# Tell the NMClient to close the key request dialog
self._nmclient.cancel_get_key_for_network()

View File

@ -4,4 +4,5 @@ sugar_PYTHON = \
device.py \
devicesmodel.py \
battery.py \
network.py
wirednetwork.py \
wirelessnetwork.py

View File

@ -5,7 +5,7 @@ class Device(device.Device):
device.Device.__init__(self)
def get_type(self):
return 'network'
return 'battery'
def get_level(self):
return 0

View File

@ -1,8 +1,10 @@
import gobject
from model.devices import device
from model.devices import network
from model.devices import wirednetwork
from model.devices import wirelessnetwork
from model.devices import battery
from hardware import hardwaremanager
class DevicesModel(gobject.GObject):
__gsignals__ = {
@ -18,12 +20,26 @@ class DevicesModel(gobject.GObject):
gobject.GObject.__init__(self)
self._devices = []
self.add_device(network.Device())
self.add_device(battery.Device())
self._observe_network_manager()
def _observe_network_manager(self):
network_manager = hardwaremanager.get_network_manager()
for device in network_manager.get_devices():
self._check_network_device(device)
def _check_network_device(self, device):
if not device.is_valid():
return
if device.get_type() == DEVICE_TYPE_802_11_WIRELESS:
if device.get_active():
self._add_device(device)
def __iter__(self):
return iter(self._devices)
def add_device(self, device):
self._devices.append(device)
self.emit('device-appeared', device)

View File

@ -1,11 +1,9 @@
from model.devices import device
class Device(device.Device):
def __init__(self):
def __init__(self, nm_device):
device.Device.__init__(self)
self._nm_device = device
def get_type(self):
return 'network'
def get_level(self):
return 0
return 'wirednetwork'

View File

@ -0,0 +1,12 @@
from model.devices import device
class Device(device.Device):
def __init__(self, nm_device):
device.Device.__init__(self)
self._nm_device = device
def get_type(self):
return 'wirelessnetwork'
def get_level(self):
return self._nm_device.get_strength()

View File

@ -3,4 +3,5 @@ sugar_PYTHON = \
__init__.py \
battery.py \
deviceview.py \
network.py
wirednetwork.py \
wirelessnetwork.py

View File

@ -1,6 +1,6 @@
from view.devices import deviceview
class DeviceView(deviceview.DeviceView)
class DeviceView(deviceview.DeviceView):
def __init__(self, model):
deviceview.DeviceView.__init__(self, model)
self.props.icon_name = 'theme:stock-close'

View File

@ -3,4 +3,4 @@ from view.devices import deviceview
class DeviceView(deviceview.DeviceView):
def __init__(self, model):
deviceview.DeviceView.__init__(self, model)
self.props.icon_name = 'theme:stock-close'
self.props.icon_name = 'theme:stock-net-wired'

View File

@ -0,0 +1,6 @@
from view.devices import deviceview
class DeviceView(deviceview.DeviceView):
def __init__(self, model):
deviceview.DeviceView.__init__(self, model)
self.props.icon_name = 'theme:stock-net-wireless-00'