692 lines
23 KiB
Python
692 lines
23 KiB
Python
#
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# Copyright (C) 2006-2007 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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import gtk
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from hardware import nminfo
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from sugar.graphics import xocolor
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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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"Canceled"
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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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DEVICE_TYPE_802_11_MESH_OLPC = 3
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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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NETWORK_STATE_CONNECTING = 0
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NETWORK_STATE_CONNECTED = 1
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NETWORK_STATE_NOTCONNECTED = 2
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DEVICE_STATE_ACTIVATING = 0
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DEVICE_STATE_ACTIVATED = 1
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DEVICE_STATE_INACTIVE = 2
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IW_MODE_ADHOC = 1
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IW_MODE_INFRA = 2
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class Network(gobject.GObject):
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__gsignals__ = {
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'initialized' : (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([gobject.TYPE_BOOLEAN])),
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'strength-changed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([])),
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'state-changed' : (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([]))
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}
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def __init__(self, client, op):
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gobject.GObject.__init__(self)
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self._client = client
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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._caps = 0
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self._valid = False
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self._favorite = False
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self._state = NETWORK_STATE_NOTCONNECTED
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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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self._caps = props[7]
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if self._caps & NM_802_11_CAP_PROTO_WPA or self._caps & NM_802_11_CAP_PROTO_WPA2:
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if not (self._caps & NM_802_11_CAP_KEY_MGMT_PSK):
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# 802.1x is not supported at this time
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logging.debug("Net(%s): ssid '%s' dropping because 802.1x is unsupported" % (self._op,
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self._ssid))
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self._valid = False
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self.emit('initialized', self._valid)
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return
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if self._mode != IW_MODE_INFRA:
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# Don't show Ad-Hoc networks; they usually don't DHCP and therefore
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# won't work well here. This also works around the bug where we show
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# our own mesh SSID on the Mesh view when in mesh mode
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logging.debug("Net(%s): ssid '%s' is adhoc; not showing" % (self._op,
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self._ssid))
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self._valid = False
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self.emit('initialized', self._valid)
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return
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fav_nets = []
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if self._client.nminfo:
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fav_nets = self._client.nminfo.get_networks()
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if self._ssid in fav_nets:
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self._favorite = True
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self._valid = True
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logging.debug("Net(%s): caps 0x%X" % (self._ssid, self._caps))
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self.emit('initialized', self._valid)
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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('initialized', self._valid)
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def get_colors(self):
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import sha
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sh = sha.new()
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data = self._ssid + hex(self._caps) + hex(self._mode)
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sh.update(data)
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h = hash(sh.digest())
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idx = h % len(xocolor._colors)
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# stroke, fill
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return (xocolor._colors[idx][0], xocolor._colors[idx][1])
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def get_ssid(self):
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return self._ssid
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def get_caps(self):
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return self._caps
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def get_mode(self):
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return self._mode
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def get_state(self):
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return self._state
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def set_state(self, state):
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if state == self._state:
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return
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self._state = state
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if self._valid:
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self.emit('state-changed')
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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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if strength == self._strength:
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return
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self._strength = strength
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if self._valid:
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self.emit('strength-changed')
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def is_valid(self):
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return self._valid
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def is_favorite(self):
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return self._favorite
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class Device(gobject.GObject):
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__gsignals__ = {
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'initialized': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([])),
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'init-failed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([])),
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'ssid-changed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([])),
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'strength-changed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([])),
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'state-changed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([])),
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'network-appeared': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'network-disappeared': (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, client, op):
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gobject.GObject.__init__(self)
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self._client = client
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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._act_stage = 0
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self._strength = 0
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self._freq = 0.0
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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._caps = 0
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self._state = DEVICE_STATE_INACTIVE
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self._active_network = None
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self._active_net_sigid = 0
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obj = sys_bus.get_object(NM_SERVICE, self._op)
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self.dev = dbus.Interface(obj, NM_IFACE_DEVICES)
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self.dev.getProperties(reply_handler=self._update_reply_cb,
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error_handler=self._update_error_cb)
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def _is_activating(self):
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if self._active and self._act_stage >= 1 and self._act_stage <= 6:
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return True
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return False
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def _is_activated(self):
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if self._active and self._act_stage == 7:
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return True
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return False
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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._act_stage = props[5]
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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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if self._valid:
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self.emit('strength-changed')
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self._update_networks(props[20], props[19])
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elif self._type == DEVICE_TYPE_802_11_MESH_OLPC:
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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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if self._valid:
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self.emit('strength-changed')
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self._valid = True
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if self._is_activating():
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self.set_state(DEVICE_STATE_ACTIVATING)
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elif self._is_activated():
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self.set_state(DEVICE_STATE_ACTIVATED)
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else:
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self.set_state(DEVICE_STATE_INACTIVE)
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self.emit('initialized')
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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(self._client, op)
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self._networks[op] = net
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net.connect('initialized', lambda *args: self._net_initialized_cb(active_op, *args))
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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_initialized_cb(self, active_op, net, valid):
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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 not valid:
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# init failure
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del self._networks[net_op]
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return
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# init success
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if self._valid:
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self.emit('network-appeared', net)
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if active_op and net_op == active_op:
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self.set_active_network(net)
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def get_op(self):
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return self._op
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def get_networks(self):
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ret = []
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for net in self._networks.values():
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if net.is_valid():
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ret.append(net)
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return ret
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def get_network(self, op):
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if self._networks.has_key(op) and self._networks[op].is_valid():
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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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ret = []
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for net in self._networks.values():
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if net.is_valid():
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ret.append(net.get_op())
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return ret
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def get_frequency(self):
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freq = 0.0
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try:
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freq = self.dev.getFrequency(timeout=3000)
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except dbus.DBusException, e:
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pass
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# Hz -> GHz
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self._freq = freq / 1000000000.0
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return self._freq
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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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if self._valid:
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self.emit('strength-changed')
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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(self._client, network)
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self._networks[network] = net
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net.connect('initialized', lambda *args: self._net_initialized_cb(None, *args))
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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 self._valid:
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self.emit('network-disappeared', self._networks[network])
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del self._networks[network]
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def set_active_network(self, network):
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if self._active_network == network:
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return
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# Make sure the old one doesn't get a stuck state
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if self._active_network:
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self._active_network.set_state(NETWORK_STATE_NOTCONNECTED)
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self._active_network.disconnect(self._active_net_sigid)
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self._active_network = network
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if self._active_network:
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self._active_net_sigid = self._active_network.connect("initialized",
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self._active_net_initialized);
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# don't emit ssid-changed for networks that are not yet valid
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if self._valid:
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if self._active_network and self._active_network.is_valid():
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self.emit('ssid-changed')
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elif not self._active_network:
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self.emit('ssid-changed')
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def _active_net_initialized(self, net, user_data=None):
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if self._active_network and self._active_network.is_valid():
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self.emit('ssid-changed')
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def _get_active_net_cb(self, state, net_op):
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if not self._networks.has_key(net_op):
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self.set_active_network(None)
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return
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self.set_active_network(self._networks[net_op])
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_device_to_network_state = {
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DEVICE_STATE_ACTIVATING : NETWORK_STATE_CONNECTING,
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DEVICE_STATE_ACTIVATED : NETWORK_STATE_CONNECTED,
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DEVICE_STATE_INACTIVE : NETWORK_STATE_NOTCONNECTED
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}
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network_state = _device_to_network_state[state]
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self._active_network.set_state(network_state)
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def _get_active_net_error_cb(self, err):
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logging.debug("Couldn't get active network: %s" % err)
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self.set_active_network(None)
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def get_state(self):
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return self._state
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def set_state(self, state):
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if state == self._state:
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return
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self._state = state
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if self._valid:
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self.emit('state-changed')
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if self._type == DEVICE_TYPE_802_11_WIRELESS:
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if state == DEVICE_STATE_INACTIVE:
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self.set_active_network(None)
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else:
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self.dev.getActiveNetwork(reply_handler=lambda *args: self._get_active_net_cb(state, *args),
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error_handler=self._get_active_net_error_cb)
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def get_ssid(self):
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if self._active_network and self._active_network.is_valid():
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return self._active_network.get_ssid()
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elif not self._active_network:
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return None
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def get_active_network(self):
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return self._active_network
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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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class NMClient(gobject.GObject):
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__gsignals__ = {
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'device-added' : (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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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-activating': (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._update_timer = 0
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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_initial_devices()
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def get_devices(self):
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return self._devices.values()
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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_initialized_cb(self, dev):
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self.emit('device-added', dev)
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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(self, 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('initialized', self._dev_initialized_cb)
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|
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 = {
|
|
'StateChange': self.state_changed_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,
|
|
'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
|
|
}
|
|
|
|
try:
|
|
self._nm_proxy = sys_bus.get_object(NM_SERVICE, NM_PATH)
|
|
self._nm_obj = dbus.Interface(self._nm_proxy, NM_IFACE)
|
|
except dbus.DBusException, e:
|
|
logging.debug("Could not connect to NetworkManager!")
|
|
self._nm_present = False
|
|
return
|
|
|
|
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 NMI 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 state_changed_sig_handler(self, new_state):
|
|
logging.debug('NM State Changed to %d' % new_state)
|
|
|
|
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
|
|
devs = self._devices.keys()
|
|
for op in devs:
|
|
self._remove_device(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)
|