484 lines
16 KiB
Python
484 lines
16 KiB
Python
#
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# Copyright (C) 2006, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import logging
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import os
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import dbus
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import dbus.glib
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import dbus.decorators
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import gobject
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from hardware import nminfo
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IW_AUTH_ALG_OPEN_SYSTEM = 0x00000001
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IW_AUTH_ALG_SHARED_KEY = 0x00000002
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NM_DEVICE_STAGE_STRINGS=("Unknown",
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"Prepare",
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"Config",
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"Need Users Key",
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"IP Config",
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"IP Config Get",
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"IP Config Commit",
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"Activated",
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"Failed",
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"Cancled"
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)
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NM_SERVICE = 'org.freedesktop.NetworkManager'
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NM_IFACE = 'org.freedesktop.NetworkManager'
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NM_IFACE_DEVICES = 'org.freedesktop.NetworkManager.Devices'
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NM_PATH = '/org/freedesktop/NetworkManager'
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DEVICE_TYPE_UNKNOWN = 0
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DEVICE_TYPE_802_3_ETHERNET = 1
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DEVICE_TYPE_802_11_WIRELESS = 2
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NM_DEVICE_CAP_NONE = 0x00000000
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NM_DEVICE_CAP_NM_SUPPORTED = 0x00000001
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NM_DEVICE_CAP_CARRIER_DETECT = 0x00000002
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NM_DEVICE_CAP_WIRELESS_SCAN = 0x00000004
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sys_bus = dbus.SystemBus()
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NM_802_11_CAP_NONE = 0x00000000
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NM_802_11_CAP_PROTO_NONE = 0x00000001
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NM_802_11_CAP_PROTO_WEP = 0x00000002
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NM_802_11_CAP_PROTO_WPA = 0x00000004
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NM_802_11_CAP_PROTO_WPA2 = 0x00000008
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NM_802_11_CAP_KEY_MGMT_PSK = 0x00000040
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NM_802_11_CAP_KEY_MGMT_802_1X = 0x00000080
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NM_802_11_CAP_CIPHER_WEP40 = 0x00001000
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NM_802_11_CAP_CIPHER_WEP104 = 0x00002000
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NM_802_11_CAP_CIPHER_TKIP = 0x00004000
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NM_802_11_CAP_CIPHER_CCMP = 0x00008000
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class Network(gobject.GObject):
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__gsignals__ = {
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'init-failed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
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}
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def __init__(self, op):
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gobject.GObject.__init__(self)
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self._op = op
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self._ssid = None
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self._mode = None
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self._strength = 0
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self._valid = False
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obj = sys_bus.get_object(NM_SERVICE, self._op)
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net = dbus.Interface(obj, NM_IFACE_DEVICES)
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net.getProperties(reply_handler=self._update_reply_cb,
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error_handler=self._update_error_cb)
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def _update_reply_cb(self, *props):
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self._ssid = props[1]
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self._strength = props[3]
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self._mode = props[6]
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caps = props[7]
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if caps & NM_802_11_CAP_PROTO_WPA or caps & NM_802_11_CAP_PROTO_WPA2:
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# We do not support WPA at this time, so don't show
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# WPA-enabled access points in the menu
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logging.debug("Net(%s): ssid '%s' dropping because WPA[2] unsupported" % (self._op,
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self._ssid))
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self._valid = False
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self.emit('init-failed')
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else:
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self._valid = True
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logging.debug("Net(%s): ssid '%s', mode %d, strength %d" % (self._op,
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self._ssid, self._mode, self._strength))
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def _update_error_cb(self, err):
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logging.debug("Net(%s): failed to update. (%s)" % (self._op, err))
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self._valid = False
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self.emit('init-failed')
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def get_ssid(self):
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return self._ssid
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def get_op(self):
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return self._op
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def get_strength(self):
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return self._strength
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def set_strength(self, strength):
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self._strength = strength
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def is_valid(self):
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return self._valid
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class Device(gobject.GObject):
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__gsignals__ = {
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'init-failed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
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'activated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
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'strength-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT]))
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}
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def __init__(self, op):
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gobject.GObject.__init__(self)
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self._op = op
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self._iface = None
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self._type = DEVICE_TYPE_UNKNOWN
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self._udi = None
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self._active = False
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self._strength = 0
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self._link = False
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self._valid = False
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self._networks = {}
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self._active_net = None
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self._caps = 0
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obj = sys_bus.get_object(NM_SERVICE, self._op)
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dev = dbus.Interface(obj, NM_IFACE_DEVICES)
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dev.getProperties(reply_handler=self._update_reply_cb,
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error_handler=self._update_error_cb)
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def _update_reply_cb(self, *props):
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self._iface = props[1]
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self._type = props[2]
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self._udi = props[3]
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self._active = props[4]
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self._link = props[15]
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self._caps = props[17]
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if self._type == DEVICE_TYPE_802_11_WIRELESS:
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old_strength = self._strength
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self._strength = props[14]
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if self._strength != old_strength:
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self.emit('strength-changed', self._strength)
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self._update_networks(props[20], props[19])
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self._valid = True
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if self._active:
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self.emit('activated')
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def _update_networks(self, net_ops, active_op):
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for op in net_ops:
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net = Network(op)
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self._networks[op] = net
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net.connect('init-failed', self._net_init_failed)
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if op == active_op:
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self._active_net = op
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def _update_error_cb(self, err):
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logging.debug("Device(%s): failed to update. (%s)" % (self._op, err))
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self._valid = False
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self.emit('init-failed')
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def _net_init_failed(self, net):
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net_op = net.get_op()
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if not self._networks.has_key(net_op):
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return
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if net_op == self._active_net:
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self._active_net = None
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del self._networks[net_op]
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def get_op(self):
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return self._op
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def get_network(self, op):
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if self._networks.has_key(op):
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return self._networks[op]
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return None
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def get_network_ops(self):
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return self._networks.keys()
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def get_strength(self):
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return self._strength
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def set_strength(self, strength):
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if strength == self._strength:
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return False
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if strength >= 0 and strength <= 100:
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self._strength = strength
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else:
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self._strength = 0
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self.emit('strength-changed', self._strength)
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def network_appeared(self, network):
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if self._networks.has_key(network):
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return
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net = Network(network)
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self._networks[network] = net
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net.connect('init-failed', self._net_init_failed)
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def network_disappeared(self, network):
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if not self._networks.has_key(network):
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return
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if network == self._active_net:
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self._active_net = None
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del self._networks[network]
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def get_active(self):
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return self._active
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def set_active(self, active, ssid=None):
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self._active = active
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if self._type == DEVICE_TYPE_802_11_WIRELESS:
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if not ssid:
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self._active_net = None
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else:
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for (op, net) in self._networks.items():
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if net.get_ssid() == ssid:
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self._active_net = op
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def get_type(self):
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return self._type
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def is_valid(self):
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return self._valid
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def set_carrier(self, on):
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self._link = on
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def get_capabilities(self):
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return self._caps
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NM_STATE_UNKNOWN = 0
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NM_STATE_ASLEEP = 1
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NM_STATE_CONNECTING = 2
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NM_STATE_CONNECTED = 3
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NM_STATE_DISCONNECTED = 4
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class NMClient(gobject.GObject):
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__gsignals__ = {
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'device-activated' : (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'device-removed' : (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT]))
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}
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def __init__(self):
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gobject.GObject.__init__(self)
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self.nminfo = None
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self._nm_present = False
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self._nm_state = NM_STATE_UNKNOWN
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self._update_timer = 0
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self._active_device = None
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self._devices = {}
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try:
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self.nminfo = nminfo.NMInfo(self)
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except RuntimeError:
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pass
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self._setup_dbus()
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if self._nm_present:
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self._get_nm_state()
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self._get_initial_devices()
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def get_devices(self):
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return self._devices
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def _get_nm_state(self):
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# Grab NM's state
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self._nm_obj.state(reply_handler=self._get_state_reply_cb, \
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error_handler=self._get_state_error_cb)
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def _get_state_reply_cb(self, state):
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self._nm_state = state
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def _get_state_error_cb(self, err):
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logging.debug("Failed to get NetworkManager state! %s" % err)
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def _get_initial_devices_reply_cb(self, ops):
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for op in ops:
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self._add_device(op)
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def _dev_init_failed_cb(self, dev):
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# Device failed to initialize, likely due to dbus errors or something
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op = dev.get_op()
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self._remove_device(op)
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def _get_initial_devices_error_cb(self, err):
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logging.debug("Error updating devices (%s)" % err)
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def _get_initial_devices(self):
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self._nm_obj.getDevices(reply_handler=self._get_initial_devices_reply_cb, \
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error_handler=self._get_initial_devices_error_cb)
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def _add_device(self, dev_op):
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if self._devices.has_key(dev_op):
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return
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dev = Device(dev_op)
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self._devices[dev_op] = dev
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dev.connect('init-failed', self._dev_init_failed_cb)
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dev.connect('activated', self._dev_activated_cb)
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dev.connect('strength-changed', self._dev_strength_changed_cb)
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def _remove_device(self, dev_op):
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if not self._devices.has_key(dev_op):
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return
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if self._active_device == dev_op:
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self._active_device = None
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dev = self._devices[dev_op]
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dev.disconnect('activated')
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dev.disconnect('init-failed')
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dev.disconnect('strength-changed')
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del self._devices[dev_op]
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self.emit('device-removed', dev)
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def _dev_activated_cb(self, dev):
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op = dev.get_op()
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if not self._devices.has_key(op):
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return
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if not dev.get_active():
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return
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self._active_device = op
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self.emit('device-activated', dev)
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def _dev_strength_changed_cb(self, dev, strength):
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op = dev.get_op()
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if not self._devices.has_key(op):
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return
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if not dev.get_active():
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return
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def get_device(self, dev_op):
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if not self._devices.has_key(dev_op):
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return None
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return self._devices[dev_op]
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def _setup_dbus(self):
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self._sig_handlers = {
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'StateChange': self.state_change_sig_handler,
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'DeviceAdded': self.device_added_sig_handler,
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'DeviceRemoved': self.device_removed_sig_handler,
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'DeviceActivationStage': self.device_activation_stage_sig_handler,
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'DeviceActivating': self.device_activating_sig_handler,
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'DeviceNowActive': self.device_now_active_sig_handler,
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'DeviceNoLongerActive': self.device_no_longer_active_sig_handler,
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'DeviceCarrierOn': self.device_carrier_on_sig_handler,
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'DeviceCarrierOff': self.device_carrier_off_sig_handler,
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'DeviceStrengthChanged': self.wireless_device_strength_changed_sig_handler,
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'WirelessNetworkAppeared': self.wireless_network_appeared_sig_handler,
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'WirelessNetworkDisappeared': self.wireless_network_disappeared_sig_handler,
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'WirelessNetworkStrengthChanged': self.wireless_network_strength_changed_sig_handler
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}
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self._nm_proxy = sys_bus.get_object(NM_SERVICE, NM_PATH)
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self._nm_obj = dbus.Interface(self._nm_proxy, NM_IFACE)
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sys_bus.add_signal_receiver(self.name_owner_changed_sig_handler,
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signal_name="NameOwnerChanged",
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dbus_interface="org.freedesktop.DBus")
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for (signal, handler) in self._sig_handlers.items():
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sys_bus.add_signal_receiver(handler, signal_name=signal, dbus_interface=NM_IFACE)
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# Find out whether or not NM is running
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try:
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bus_object = sys_bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus')
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name = bus_object.GetNameOwner("org.freedesktop.NetworkManagerInfo", \
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dbus_interface='org.freedesktop.DBus')
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if name:
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self._nm_present = True
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except dbus.DBusException:
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pass
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def get_key_for_network(self, net, async_cb, async_err_cb):
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pass
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def device_activation_stage_sig_handler(self, device, stage):
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logging.debug('Device Activation Stage "%s" for device %s' % (NM_DEVICE_STAGE_STRINGS[stage], device))
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def state_change_sig_handler(self, state):
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self._nm_state = state
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def device_activating_sig_handler(self, device):
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self._active_device = device
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def device_now_active_sig_handler(self, device, ssid=None):
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if not self._devices.has_key(device):
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return
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self._active_device = device
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self._devices[device].set_active(True, ssid)
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def device_no_longer_active_sig_handler(self, device):
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if not self._devices.has_key(device):
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return
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if self._active_device == device:
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self._active_device = None
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self._devices[device].set_active(False)
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def name_owner_changed_sig_handler(self, name, old, new):
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if name != NM_SERVICE:
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return
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if (old and len(old)) and (not new and not len(new)):
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# NM went away
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self._nm_present = False
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for op in self._devices.keys():
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del self._devices[op]
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self._devices = {}
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self._active_device = None
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self._nm_state = NM_STATE_UNKNOWN
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elif (not old and not len(old)) and (new and len(new)):
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# NM started up
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self._nm_present = True
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self._get_nm_state()
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self._get_initial_devices()
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def device_added_sig_handler(self, device):
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self._add_device(device)
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def device_removed_sig_handler(self, device):
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self._remove_device(device)
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def wireless_network_appeared_sig_handler(self, device, network):
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if not self._devices.has_key(device):
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return
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self._devices[device].network_appeared(network)
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def wireless_network_disappeared_sig_handler(self, device, network):
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if not self._devices.has_key(device):
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return
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self._devices[device].network_disappeared(network)
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def wireless_device_strength_changed_sig_handler(self, device, strength):
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if not self._devices.has_key(device):
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return
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self._devices[device].set_strength(strength)
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def wireless_network_strength_changed_sig_handler(self, device, network, strength):
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if not self._devices.has_key(device):
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return
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net = self._devices[device].get_network(network)
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if net:
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net.set_strength(strength)
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def device_carrier_on_sig_handler(self, device):
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if not self._devices.has_key(device):
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return
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self._devices[device].set_carrier(True)
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def device_carrier_off_sig_handler(self, device):
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if not self._devices.has_key(device):
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return
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self._devices[device].set_carrier(False)
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