diff options
Diffstat (limited to 'src/jarabe/model/network.py')
| -rw-r--r-- | src/jarabe/model/network.py | 287 |
1 files changed, 265 insertions, 22 deletions
diff --git a/src/jarabe/model/network.py b/src/jarabe/model/network.py index c1f7969..f0297c9 100644 --- a/src/jarabe/model/network.py +++ b/src/jarabe/model/network.py @@ -1,6 +1,7 @@ # Copyright (C) 2008 Red Hat, Inc. # Copyright (C) 2009 Tomeu Vizoso, Simon Schampijer -# Copyright (C) 2009 One Laptop per Child +# Copyright (C) 2009-2010 One Laptop per Child +# Copyright (C) 2009 Paraguay Educa, Martin Abente # # 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 @@ -21,14 +22,20 @@ import os import time import dbus +import dbus.service import gobject import ConfigParser +import gconf +import ctypes from sugar import dispatch from sugar import env +from sugar.util import unique_id DEVICE_TYPE_802_3_ETHERNET = 1 DEVICE_TYPE_802_11_WIRELESS = 2 +DEVICE_TYPE_GSM_MODEM = 3 +DEVICE_TYPE_802_11_OLPC_MESH = 6 DEVICE_STATE_UNKNOWN = 0 DEVICE_STATE_UNMANAGED = 1 @@ -41,6 +48,9 @@ DEVICE_STATE_IP_CONFIG = 7 DEVICE_STATE_ACTIVATED = 8 DEVICE_STATE_FAILED = 9 +NM_CONNECTION_TYPE_802_11_WIRELESS = '802-11-wireless' +NM_CONNECTION_TYPE_GSM = 'gsm' + NM_ACTIVE_CONNECTION_STATE_UNKNOWN = 0 NM_ACTIVE_CONNECTION_STATE_ACTIVATING = 1 NM_ACTIVE_CONNECTION_STATE_ACTIVATED = 2 @@ -80,9 +90,48 @@ NM_CONNECTION_IFACE = 'org.freedesktop.NetworkManagerSettings.Connection' NM_SECRETS_IFACE = 'org.freedesktop.NetworkManagerSettings.Connection.Secrets' NM_ACCESSPOINT_IFACE = 'org.freedesktop.NetworkManager.AccessPoint' +GSM_USERNAME_PATH = '/desktop/sugar/network/gsm/username' +GSM_PASSWORD_PATH = '/desktop/sugar/network/gsm/password' +GSM_NUMBER_PATH = '/desktop/sugar/network/gsm/number' +GSM_APN_PATH = '/desktop/sugar/network/gsm/apn' +GSM_PIN_PATH = '/desktop/sugar/network/gsm/pin' +GSM_PUK_PATH = '/desktop/sugar/network/gsm/puk' + _nm_settings = None _conn_counter = 0 +def frequency_to_channel(frequency): + """Returns the channel matching a given radio channel frequency. If a + frequency is not in the dictionary channel 1 will be returned. + + Keyword arguments: + frequency -- The radio channel frequency in MHz. + + Return: Channel + + """ + ftoc = {2412: 1, 2417: 2, 2422: 3, 2427: 4, + 2432: 5, 2437: 6, 2442: 7, 2447: 8, + 2452: 9, 2457: 10, 2462: 11, 2467: 12, + 2472: 13} + if frequency not in ftoc: + logging.warning("The frequency %s can not be mapped to a channel, " \ + "defaulting to channel 1.", frequency) + return 1 + return ftoc[frequency] + +def is_sugar_adhoc_network(ssid): + """Checks whether an access point is a sugar Ad-hoc network. + + Keyword arguments: + ssid -- Ssid of the access point. + + Return: Boolean + + """ + return ssid.startswith('Ad-hoc Network') + + class WirelessSecurity(object): def __init__(self): self.key_mgmt = None @@ -103,11 +152,14 @@ class WirelessSecurity(object): return wireless_security class Wireless(object): + nm_name = "802-11-wireless" + def __init__(self): self.ssid = None self.security = None self.mode = None self.band = None + self.channel = None def get_dict(self): wireless = {'ssid': self.ssid} @@ -117,8 +169,27 @@ class Wireless(object): wireless['mode'] = self.mode if self.band: wireless['band'] = self.band + if self.channel: + wireless['channel'] = self.channel return wireless +class OlpcMesh(object): + nm_name = "802-11-olpc-mesh" + + def __init__(self, channel, anycast_addr): + self.channel = channel + self.anycast_addr = anycast_addr + + def get_dict(self): + ret = { + "ssid": dbus.ByteArray("olpc-mesh"), + "channel": self.channel, + } + + if self.anycast_addr: + ret["dhcp-anycast-address"] = dbus.ByteArray(self.anycast_addr) + return ret + class Connection(object): def __init__(self): self.id = None @@ -146,17 +217,60 @@ class IP4Config(object): ip4_config['method'] = self.method return ip4_config -class Settings(object): +class Serial(object): + def __init__(self): + self.baud = None + + def get_dict(self): + serial = {} + + if self.baud is not None: + serial['baud'] = self.baud + + return serial + +class Ppp(object): def __init__(self): + pass + + def get_dict(self): + ppp = {} + return ppp + +class Gsm(object): + def __init__(self): + self.apn = None + self.number = None + self.username = None + + def get_dict(self): + gsm = {} + + if self.apn is not None: + gsm['apn'] = self.apn + if self.number is not None: + gsm['number'] = self.number + if self.username is not None: + gsm['username'] = self.username + + return gsm + +class Settings(object): + def __init__(self, wireless_cfg=None): self.connection = Connection() self.wireless = Wireless() self.ip4_config = None self.wireless_security = None + if wireless_cfg is not None: + self.wireless = wireless_cfg + else: + self.wireless = Wireless() + def get_dict(self): settings = {} settings['connection'] = self.connection.get_dict() - settings['802-11-wireless'] = self.wireless.get_dict() + settings[self.wireless.nm_name] = self.wireless.get_dict() if self.wireless_security is not None: settings['802-11-wireless-security'] = \ self.wireless_security.get_dict() @@ -189,6 +303,41 @@ class Secrets(object): return settings +class SettingsGsm(object): + def __init__(self): + self.connection = Connection() + self.ip4_config = IP4Config() + self.serial = Serial() + self.ppp = Ppp() + self.gsm = Gsm() + + def get_dict(self): + settings = {} + + settings['connection'] = self.connection.get_dict() + settings['serial'] = self.serial.get_dict() + settings['ppp'] = self.ppp.get_dict() + settings['gsm'] = self.gsm.get_dict() + settings['ipv4'] = self.ip4_config.get_dict() + + return settings + +class SecretsGsm(object): + def __init__(self): + self.password = None + self.pin = None + self.puk = None + + def get_dict(self): + secrets = {} + if self.password is not None: + secrets['password'] = self.password + if self.pin is not None: + secrets['pin'] = self.pin + if self.puk is not None: + secrets['puk'] = self.puk + return {'gsm': secrets} + class NMSettings(dbus.service.Object): def __init__(self): bus = dbus.SystemBus() @@ -207,8 +356,8 @@ class NMSettings(dbus.service.Object): def NewConnection(self, connection_path): pass - def add_connection(self, ssid, conn): - self.connections[ssid] = conn + def add_connection(self, uuid, conn): + self.connections[uuid] = conn conn.secrets_request.connect(self.__secrets_request_cb) self.NewConnection(conn.path) @@ -216,6 +365,11 @@ class NMSettings(dbus.service.Object): self.secrets_request.send(self, connection=sender, response=kwargs['response']) + def clear_connections(self): + for connection in self.connections.values(): + connection.Removed() + self.connections = {} + class SecretsResponse(object): ''' Intermediate object to report the secrets from the dialog back to the connection object and which will inform NM @@ -244,10 +398,40 @@ class NMSettingsConnection(dbus.service.Object): self._settings = settings self._secrets = secrets + @dbus.service.signal(dbus_interface=NM_CONNECTION_IFACE, + signature='') + def Removed(self): + pass + + @dbus.service.signal(dbus_interface=NM_CONNECTION_IFACE, + signature='a{sa{sv}}') + def Updated(self, settings): + pass + def set_connected(self): - if not self._settings.connection.autoconnect: - self._settings.connection.autoconnect = True + if self._settings.connection.type == NM_CONNECTION_TYPE_GSM: + self._settings.connection.timestamp = int(time.time()) + elif not self._settings.connection.autoconnect: self._settings.connection.timestamp = int(time.time()) + self._settings.connection.autoconnect = True + self.Updated(self._settings.get_dict()) + self.save() + + try: + # try to flush resolver cache - SL#1940 + # ctypes' syntactic sugar does not work + # so we must get the func ptr explicitly + libc = ctypes.CDLL('libc.so.6') + res_init = getattr(libc, '__res_init') + res_init(None) + except: + logging.exception('Error calling libc.__res_init') + + def set_disconnected(self): + if self._settings.connection.autoconnect: + self._settings.connection.autoconnect = False + self._settings.connection.timestamp = None + self.Updated(self._settings.get_dict()) self.save() def set_secrets(self, secrets): @@ -258,6 +442,10 @@ class NMSettingsConnection(dbus.service.Object): return self._settings def save(self): + # We only save wifi settins + if self._settings.connection.type != NM_CONNECTION_TYPE_802_11_WIRELESS: + return + profile_path = env.get_profile_path() config_path = os.path.join(profile_path, 'nm', 'connections.cfg') @@ -336,7 +524,6 @@ class NMSettingsConnection(dbus.service.Object): else: reply(self._secrets.get_dict()) - class AccessPoint(gobject.GObject): __gsignals__ = { 'props-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, @@ -357,10 +544,10 @@ class AccessPoint(gobject.GObject): self.wpa_flags = 0 self.rsn_flags = 0 self.mode = 0 + self.channel = 0 def initialize(self): - model_props = dbus.Interface(self.model, - 'org.freedesktop.DBus.Properties') + model_props = dbus.Interface(self.model, dbus.PROPERTIES_IFACE) model_props.GetAll(NM_ACCESSPOINT_IFACE, byte_arrays=True, reply_handler=self._ap_properties_changed_cb, error_handler=self._get_all_props_error_cb) @@ -426,6 +613,8 @@ class AccessPoint(gobject.GObject): self.rsn_flags = properties['RsnFlags'] if 'Mode' in properties: self.mode = properties['Mode'] + if 'Frequency' in properties: + self.channel = frequency_to_channel(properties['Frequency']) self._initialized = True self.emit('props-changed', old_hash) @@ -452,36 +641,38 @@ def get_settings(): load_connections() return _nm_settings -def find_connection(ssid): +def find_connection_by_ssid(ssid): connections = get_settings().connections - if ssid in connections: - return connections[ssid] - else: - return None -def add_connection(ssid, settings, secrets=None): + for conn_index in connections: + connection = connections[conn_index] + if connection._settings.connection.type == NM_CONNECTION_TYPE_802_11_WIRELESS: + if connection._settings.wireless.ssid == ssid: + return connection + + return None + +def add_connection(uuid, settings, secrets=None): global _conn_counter path = NM_SETTINGS_PATH + '/' + str(_conn_counter) _conn_counter += 1 conn = NMSettingsConnection(path, settings, secrets) - _nm_settings.add_connection(ssid, conn) + _nm_settings.add_connection(uuid, conn) return conn -def load_connections(): +def load_wifi_connections(): profile_path = env.get_profile_path() config_path = os.path.join(profile_path, 'nm', 'connections.cfg') - config = ConfigParser.ConfigParser() - if not os.path.exists(config_path): if not os.path.exists(os.path.dirname(config_path)): os.makedirs(os.path.dirname(config_path), 0755) f = open(config_path, 'w') - config.write(f) f.close() + config = ConfigParser.ConfigParser() try: if not config.read(config_path): logging.error('Error reading the nm config file') @@ -534,4 +725,56 @@ def load_connections(): except ConfigParser.Error, e: logging.error('Error reading section: %s' % e) else: - add_connection(ssid, settings, secrets) + add_connection(uuid, settings, secrets) + +def count_connections(): + return len(get_settings().connections) + +def clear_connections(): + _nm_settings.clear_connections() + + profile_path = env.get_profile_path() + config_path = os.path.join(profile_path, 'nm', 'connections.cfg') + + if not os.path.exists(os.path.dirname(config_path)): + os.makedirs(os.path.dirname(config_path), 0755) + f = open(config_path, 'w') + f.close() + +def load_gsm_connection(): + client = gconf.client_get_default() + + settings = SettingsGsm() + settings.gsm.username = client.get_string(GSM_USERNAME_PATH) or '' + settings.gsm.number = client.get_string(GSM_NUMBER_PATH) or '' + settings.gsm.apn = client.get_string(GSM_APN_PATH) or '' + + secrets = SecretsGsm() + secrets.pin = client.get_string(GSM_PIN_PATH) or '' + secrets.puk = client.get_string(GSM_PUK_PATH) or '' + secrets.password = client.get_string(GSM_PASSWORD_PATH) or '' + + settings.connection.id = 'gsm' + settings.connection.type = NM_CONNECTION_TYPE_GSM + uuid = settings.connection.uuid = unique_id() + settings.connection.autoconnect = False + settings.ip4_config.method = 'auto' + settings.serial.baud = 115200 + + try: + add_connection(uuid, settings, secrets) + except Exception: + logging.exception('While adding gsm connection') + +def load_connections(): + load_wifi_connections() + load_gsm_connection() + +def find_gsm_connection(): + connections = get_settings().connections + + for connection in connections.values(): + if connection.get_settings().connection.type == NM_CONNECTION_TYPE_GSM: + return connection + + return None |