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1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 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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 Street, Fifth Floor, Boston, MA # 02110-1301, USA. Any Red Hat trademarks that are incorporated in the # source code or documentation are not subject to the GNU General Public # License and may only be used or replicated with the express permission of # Red Hat, Inc. # import gi gi.require_version("Gio", "2.0") gi.require_version("NM", "1.0") from gi.repository import Gio from gi.repository import NM from pyanaconda.core.glib import GError, Variant, VariantType import struct import socket from pyanaconda.anaconda_loggers import get_module_logger log = get_module_logger(__name__) from pyanaconda.core.constants import DEFAULT_DBUS_TIMEOUT from pyanaconda.flags import flags, can_touch_runtime_system supported_device_types = [ NM.DeviceType.ETHERNET, NM.DeviceType.WIFI, NM.DeviceType.INFINIBAND, NM.DeviceType.BOND, NM.DeviceType.VLAN, NM.DeviceType.BRIDGE, NM.DeviceType.TEAM, ] class UnknownDeviceError(ValueError): """Device of specified name was not found by NM""" def __str__(self): return self.__repr__() class UnmanagedDeviceError(Exception): """Device of specified name is not managed by NM or unavailable""" def __str__(self): return self.__repr__() class DeviceNotActiveError(Exception): """Device of specified name is not active""" def __str__(self): return self.__repr__() class PropertyNotFoundError(ValueError): """Property of NM object was not found""" def __str__(self): return self.__repr__() class SettingsNotFoundError(ValueError): """Settings NMRemoteConnection object was not found""" def __str__(self): return self.__repr__() class MultipleSettingsFoundError(ValueError): """Too many NMRemoteConnection objects were found""" def __str__(self): return self.__repr__() class UnknownMethodGetError(Exception): """Object does not have Get, most probably being invalid""" def __str__(self): return self.__repr__() # bug #1062417 e.g. for ethernet device without link class UnknownConnectionError(Exception): """Connection is not available for the device""" def __str__(self): return self.__repr__() class AddConnectionError(Exception): """Connection is not available for the device""" def __str__(self): return self.__repr__() # bug #1039006 class BondOptionsError(AddConnectionError): pass def _get_proxy(bus_type=Gio.BusType.SYSTEM, proxy_flags=Gio.DBusProxyFlags.NONE, info=None, name="org.freedesktop.NetworkManager", object_path="/org/freedesktop/NetworkManager", interface_name="org.freedesktop.NetworkManager", cancellable=None): try: proxy = Gio.DBusProxy.new_for_bus_sync(bus_type, proxy_flags, info, name, object_path, interface_name, cancellable) except GError as e: if can_touch_runtime_system("raise GLib.GError", touch_live=True): raise log.error("_get_proxy failed: %s", e) proxy = None return proxy def _get_property(object_path, prop, interface_name_suffix=""): interface_name = "org.freedesktop.NetworkManager" + interface_name_suffix proxy = _get_proxy(object_path=object_path, interface_name="org.freedesktop.DBus.Properties") if not proxy: return None try: prop = proxy.Get('(ss)', interface_name, prop) except GError as e: if ("org.freedesktop.DBus.Error.AccessDenied" in e.message or "org.freedesktop.DBus.Error.InvalidArgs" in e.message): return None elif "org.freedesktop.DBus.Error.UnknownMethod" in e.message: raise UnknownMethodGetError else: raise return prop def nm_state(): """Return state of NetworkManager :return: state of NetworkManager :rtype: integer """ prop = _get_property("/org/freedesktop/NetworkManager", "State") # If this is an image/dir install assume the network is up if not prop and (flags.imageInstall or flags.dirInstall): return NM.State.CONNECTED_GLOBAL else: return prop # FIXME - use just GLOBAL? There is some connectivity checking # for GLOBAL in NM (nm_connectivity_get_connected), not sure if # and how it is implemented. # Also see Gio g_network_monitor_can_reach. def nm_is_connected(): """Is NetworkManager connected? :return: True if NM is connected, False otherwise. :rtype: bool """ return nm_state() in (NM.State.CONNECTED_GLOBAL, NM.State.CONNECTED_SITE, NM.State.CONNECTED_LOCAL) def nm_is_connecting(): """Is NetworkManager connecting? :return: True if NM is in CONNECTING state, False otherwise. :rtype: bool """ return nm_state() == NM.State.CONNECTING def nm_devices(): """Return names of network devices supported in installer. :return: names of network devices supported in installer :rtype: list of strings """ interfaces = [] proxy = _get_proxy() if not proxy: return [] devices = proxy.GetDevices() for device in devices: device_type = _get_property(device, "DeviceType", ".Device") if device_type not in supported_device_types: continue iface = _get_property(device, "Interface", ".Device") interfaces.append(iface) return interfaces def nm_activated_devices(): """Return names of activated network devices. :return: names of activated network devices :rtype: list of strings """ interfaces = [] active_connections = _get_property("/org/freedesktop/NetworkManager", "ActiveConnections") if not active_connections: return [] for ac in active_connections: try: state = _get_property(ac, "State", ".Connection.Active") except UnknownMethodGetError: continue if state != NM.ActiveConnectionState.ACTIVATED: continue devices = _get_property(ac, "Devices", ".Connection.Active") for device in devices: iface = _get_property(device, "IpInterface", ".Device") if not iface: iface = _get_property(device, "Interface", ".Device") interfaces.append(iface) return interfaces def _get_object_iface_names(object_path): connection = Gio.bus_get_sync(Gio.BusType.SYSTEM, None) res_xml = connection.call_sync("org.freedesktop.NetworkManager", object_path, "org.freedesktop.DBus.Introspectable", "Introspect", None, VariantType.new("(s)"), Gio.DBusCallFlags.NONE, -1, None) node_info = Gio.DBusNodeInfo.new_for_xml(res_xml[0]) return [iface.name for iface in node_info.interfaces] def _device_type_specific_interface(device): ifaces = _get_object_iface_names(device) for iface in ifaces: if iface.startswith("org.freedesktop.NetworkManager.Device.") \ and iface != "org.freedesktop.NetworkManager.Device.Statistics": return iface return None def nm_device_property(name, prop): """Return value of device NM property :param name: name of device :type name: str :param prop: property :type name: str :return: value of device's property :rtype: unpacked GDBus value :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if property is not found """ retval = None proxy = _get_proxy() try: device = proxy.GetDeviceByIpIface('(s)', name) except GError as e: if "org.freedesktop.NetworkManager.UnknownDevice" in e.message: raise UnknownDeviceError(name, e) raise retval = _get_property(device, prop, ".Device") if not retval: # Look in device type based interface interface = _device_type_specific_interface(device) if interface: retval = _get_property(device, prop, interface[30:]) if not retval: raise PropertyNotFoundError(prop) else: raise PropertyNotFoundError(prop) return retval def nm_device_type_is_wifi(name): """Is the type of device wifi? :param name: name of device :type name: str :return: True if type of device is WIFI, False otherwise :rtype: bool :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if property is not found """ return nm_device_type(name) == NM.DeviceType.WIFI def nm_device_type_is_ethernet(name): """Is the type of device ethernet? :param name: name of device :type name: str :return: True if type of device is ETHERNET, False otherwise :rtype: bool :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if property is not found """ return nm_device_type(name) == NM.DeviceType.ETHERNET def nm_device_type_is_infiniband(name): """Is the type of device infiniband? Exceptions: UnknownDeviceError if device is not found PropertyNotFoundError if type is not found """ return nm_device_type(name) == NM.DeviceType.INFINIBAND def nm_device_type_is_bond(name): """Is the type of device bond? :param name: name of device :type name: str :return: True if type of device is BOND, False otherwise :rtype: bool :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if property is not found """ return nm_device_type(name) == NM.DeviceType.BOND def nm_device_type_is_team(name): """Is the type of device team? :param name: name of device :type name: str :return: True if type of device is TEAM, False otherwise :rtype: bool :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if property is not found """ return nm_device_type(name) == NM.DeviceType.TEAM def nm_device_type_is_bridge(name): """Is the type of device bridge? :param name: name of device :type name: str :return: True if type of device is BRIDGE, False otherwise :rtype: bool :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if property is not found """ return nm_device_type(name) == NM.DeviceType.BRIDGE def nm_device_type_is_vlan(name): """Is the type of device vlan? :param name: name of device :type name: str :return: True if type of device is VLAN, False otherwise :rtype: bool :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if property is not found """ return nm_device_type(name) == NM.DeviceType.VLAN def nm_device_is_slave(name): """Is the device a slave? Exceptions: UnknownDeviceError if device is not found """ active_con = nm_device_property(name, 'ActiveConnection') if active_con == "/": return False try: master = _get_property(active_con, "Master", ".Connection.Active") except UnknownMethodGetError: # don't crash on obsolete ActiveConnection objects return False return master and master != "/" def nm_device_hwaddress(name): """Return active hardware address of device ('HwAddress' property) :param name: name of device :type name: str :return: active hardware address of device ('HwAddress' property) :rtype: str :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if 'HwAddress' property is not found """ return nm_device_property(name, "HwAddress") def nm_device_perm_hwaddress(name): """Return active hardware address of device ('PermHwAddress' property) :param name: name of device :type name: str :return: active hardware address of device ('PermHwAddress' property) :rtype: str :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if 'PermHwAddress' property is not found """ return nm_device_property(name, "PermHwAddress") def nm_device_valid_hwaddress(name): """Return valid hardware address of device depending on type of the device ('PermHwAddress' property for wired and wireless or 'HwAddress' property for others) :param name: name of device :type name: str :return: active hardware address of device ('HwAddress' or 'PermHwAddress' property) :rtype: str :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if property is not found """ if nm_device_type_is_ethernet(name) or nm_device_type_is_wifi(name): try: return nm_device_perm_hwaddress(name) except PropertyNotFoundError: # TODO: Remove this if everything will work well # fallback solution log.warning("Device %s don't have property PermHwAddress", name) return nm_device_hwaddress(name) else: return nm_device_hwaddress(name) def nm_device_active_con_uuid(name): """Return uuid of device's active connection Exceptions: UnknownDeviceError if device is not found """ active_con = nm_device_property(name, 'ActiveConnection') if active_con == "/": return None uuid = _get_property(active_con, "Uuid", ".Connection.Active") return uuid def nm_device_type(name): """Return device's type ('DeviceType' property). :param name: name of device :type name: str :return: device type :rtype: integer :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if 'DeviceType' property is not found """ return nm_device_property(name, "DeviceType") def nm_device_carrier(name): """Return whether physical carrier of device is found. ('Carrier' property) :param name: name of device :type name: str :return: True if physical carrier is found, False otherwise :rtype: bool :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if 'Carrier' property is not found """ return nm_device_property(name, "Carrier") def nm_device_ip_addresses(name, version=4): """Return IP addresses of device in ACTIVATED state. :param name: name of device :type name: str :param version: version of IP protocol (value 4 or 6) :type version: int :return: IP addresses of device, empty list if device is not in ACTIVATED state :rtype: list of strings :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if IP configuration is not found """ retval = [] config = nm_device_ip_config(name, version) if config: retval = [addrs[0] for addrs in config[0]] return retval def nm_device_active_ssid(name): """Return ssid of device's active access point. :param name: name of device :type name: str :return: ssid of active access point, ``None`` if device has no active AP :rtype: str :raise UnknownDeviceError: if device is not found """ try: aap = nm_device_property(name, "ActiveAccessPoint") except PropertyNotFoundError: return None if aap == "/": return None ssid_ay = _get_property(aap, "Ssid", ".AccessPoint") ssid = "".join(chr(b) for b in ssid_ay) return ssid def nm_device_ip_config(name, version=4): """Return IP configurations of device in ACTIVATED state. :param name: name of device :type name: str :param version: version of IP protocol (value 4 or 6) :type version: int :return: IP configuration of device, empty list if device is not in ACTIVATED state :rtype: | [[[address1, prefix1, gateway1], [address2, prefix2, gateway2], ...], | [nameserver1, nameserver2]] | addressX, gatewayX: string | prefixX: int :raise UnknownDeviceError: if device is not found :raise PropertyNotFoundError: if ip configuration is not found """ state = nm_device_property(name, "State") if state != NM.DeviceState.ACTIVATED: return [] if version == 4: dbus_iface = ".IP4Config" prop = "Ip4Config" elif version == 6: dbus_iface = ".IP6Config" prop = "Ip6Config" else: return [] config = nm_device_property(name, prop) if config == "/": return [] try: addresses = _get_property(config, "Addresses", dbus_iface) # object is valid only if device is in ACTIVATED state (racy) except UnknownMethodGetError: return [] addr_list = [] for addr, prefix, gateway in addresses: # NOTE: There is an ipaddress for IP validation but # byte order of dbus value would need to be switched if version == 4: addr_str = nm_dbus_int_to_ipv4(addr) gateway_str = nm_dbus_int_to_ipv4(gateway) elif version == 6: addr_str = nm_dbus_ay_to_ipv6(addr) gateway_str = nm_dbus_ay_to_ipv6(gateway) addr_list.append([addr_str, prefix, gateway_str]) try: nameservers = _get_property(config, "Nameservers", dbus_iface) # object is valid only if device is in ACTIVATED state (racy) except UnknownMethodGetError: return [] ns_list = [] for ns in nameservers: # TODO - look for a library function if version == 4: ns_str = nm_dbus_int_to_ipv4(ns) elif version == 6: ns_str = nm_dbus_ay_to_ipv6(ns) ns_list.append(ns_str) return [addr_list, ns_list] def nm_device_slaves(name): """Return slaves of device. :param name: name of device :type name: str :return: names of slaves of device or None if device has no 'Slaves' property :rtype: list of strings or None :raise UnknownDeviceError: if device is not found """ try: slaves = nm_device_property(name, "Slaves") except PropertyNotFoundError: return None slave_ifaces = [] for slave in slaves: iface = _get_property(slave, "Interface", ".Device") slave_ifaces.append(iface) return slave_ifaces def nm_hwaddr_to_device_name(hwaddr): """Return device name of interface with given hardware address. :param hwaddr: hardware address :type hwaddr: str :return: device name of interface having hwaddr :rtype: str """ for device in nm_devices(): if nm_device_valid_hwaddress(device).upper() == hwaddr.upper(): return device return None def nm_ntp_servers_from_dhcp(): """Return NTP servers obtained by DHCP. return: NTP servers obtained by DHCP rtype: list of str """ ntp_servers = [] # get paths for all actively connected interfaces active_devices = nm_activated_devices() for device in active_devices: # harvest NTP server addresses from DHCPv4 dhcp4_path = nm_device_property(device, "Dhcp4Config") try: options = _get_property(dhcp4_path, "Options", ".DHCP4Config") # object is valid only if device is in ACTIVATED state (racy) except UnknownMethodGetError: options = None if options and 'ntp_servers' in options: # NTP server addresses returned by DHCP are whitespace delimited ntp_servers_string = options["ntp_servers"] for ip in ntp_servers_string.split(" "): ntp_servers.append(ip) # NetworkManager does not request NTP/SNTP options for DHCP6 return ntp_servers def _is_s390_setting(path): """Check if setting of given object path is an s390 setting :param path: object path of setting object :type path: str :return: True if the setting is s390 setting, False otherwise :rtype: bool """ proxy = _get_proxy(object_path=path, interface_name="org.freedesktop.NetworkManager.Settings.Connection") settings = proxy.GetSettings() return "s390-subchannels" in settings["802-3-ethernet"] def _device_settings(name): """Return list of object paths of device settings :param name: name of device :type name: str :return: list of paths of settings of device :rtype: [] :raise UnknownDeviceError: if device is not found """ devtype = nm_device_type(name) if devtype == NM.DeviceType.BOND: settings = _find_settings(name, 'bond', 'interface-name') elif devtype == NM.DeviceType.BRIDGE: settings = _find_settings(name, 'bridge', 'interface-name') elif devtype == NM.DeviceType.VLAN: settings = _find_settings(name, 'vlan', 'interface-name') if not settings: # connections generated by NM from iBFT _parent, _sep, vlanid = name.partition(".") # If we are not able to convert the VLAN id to an int this # is probably a FCoE interface and we're not going to be able # to do much with it. try: vlanid = int(vlanid) except ValueError: return [] settings = _find_settings(vlanid, 'vlan', 'id') else: # device name bound settings settings = _find_settings(name, 'connection', 'interface-name') # mac address bound settings try: hwaddr_str = nm_device_valid_hwaddress(name) except PropertyNotFoundError: log.debug("hwaddress of device %s not found", name) else: mac_bound_settings = _settings_for_hwaddr(hwaddr_str) for ms in mac_bound_settings: if ms not in settings: settings.append(ms) if not settings: # s390 setting generated in dracut with net.ifnames=0 # has neither DEVICE nor HWADDR (#1249750) settings = [s for s in _find_settings(name, 'connection', 'id') if _is_s390_setting(s)] return settings def _settings_for_hwaddr(hwaddr): """Return list of object paths of settings of device specified by hw address. :param hwaddr: hardware address (uppercase) :type hwaddr: str :return: list of paths of settings found for hw address :rtype: list """ return _find_settings(hwaddr, '802-3-ethernet', 'mac-address', format_value=lambda ba: ":".join("%02X" % b for b in ba)) def _find_settings(value, key1, key2, format_value=lambda x: x): """Return list of object paths of settings having given value of key1, key2 setting :param value: required value of setting :type value: corresponds to dbus type of setting :param key1: first-level key of setting (eg "connection") :type key1: str :param key2: second-level key of setting (eg "uuid") :type key2: str :param format_value: function to be called on setting value before comparing :type format_value: function taking one argument (setting value) :return: list of paths of settings :rtype: list """ retval = [] proxy = _get_proxy(object_path="/org/freedesktop/NetworkManager/Settings", interface_name="org.freedesktop.NetworkManager.Settings") connections = proxy.ListConnections() for con in connections: proxy = _get_proxy(object_path=con, interface_name="org.freedesktop.NetworkManager.Settings.Connection") try: settings = proxy.GetSettings() except GError as e: log.debug("Exception raised in _find_settings: %s", e) continue try: v = settings[key1][key2] except KeyError: continue if format_value(v) == value: retval.append(con) return retval def nm_get_settings(value, key1, key2, format_value=lambda x: x): """Return settings having given value of key1, key2 setting Returns list of settings(dicts) , None if settings were not found. """ retval = [] settings_paths = _find_settings(value, key1, key2, format_value) for settings_path in settings_paths: proxy = _get_proxy(object_path=settings_path, interface_name="org.freedesktop.NetworkManager.Settings.Connection") settings = proxy.GetSettings() retval.append(settings) return retval def nm_get_all_settings(): """Return all settings for logging.""" retval = [] proxy = _get_proxy(object_path="/org/freedesktop/NetworkManager/Settings", interface_name="org.freedesktop.NetworkManager.Settings") connections = proxy.ListConnections() for con in connections: proxy = _get_proxy(object_path=con, interface_name="org.freedesktop.NetworkManager.Settings.Connection") try: settings = proxy.GetSettings() except GError as e: # The connection may be deleted asynchronously by NM log.debug("Exception raised in nm_get_all_settings: %s", e) continue retval.append(settings) return retval def nm_device_setting_value(name, key1, key2): """Return value of device's setting specified by key1 and key2. :param name: name of device :type name: str :param key1: first-level key of setting (eg "connection") :type key1: str :param key2: second-level key of setting (eg "uuid") :type key2: str :return: value of setting or None if the setting was not found which means it does not exist or default value is used by NM :rtype: unpacked GDBus variant or None :raise UnknownDeviceError: if device is not found :raise SettingsNotFoundError: if settings were not found (eg for "wlan0") :raise MultipleSettingsFoundError: if multiple settings were found """ settings_paths = _device_settings(name) if not settings_paths: raise SettingsNotFoundError(name) elif len(settings_paths) > 1: raise MultipleSettingsFoundError(name) else: settings_path = settings_paths[0] proxy = _get_proxy(object_path=settings_path, interface_name="org.freedesktop.NetworkManager.Settings.Connection") try: settings = proxy.GetSettings() except GError as e: log.debug("nm_device_setting_value: %s", e) raise SettingsNotFoundError(name) try: value = settings[key1][key2] except KeyError: value = None return value def nm_disconnect_device(name): """Disconnect the device. :raise UnknownDeviceError: if device is not found """ proxy = _get_proxy() try: device = proxy.GetDeviceByIpIface('(s)', name) except GError as e: if "org.freedesktop.NetworkManager.UnknownDevice" in e.message: raise UnknownDeviceError(name, e) raise device_proxy = _get_proxy(object_path=device, interface_name="org.freedesktop.NetworkManager.Device") try: device_proxy.Disconnect() except GError as e: if "org.freedesktop.NetworkManager.Device.NotActive" in e.message: raise DeviceNotActiveError(name, e) raise def nm_activate_device_connection(dev_name, con_uuid): """Activate device with specified connection. :param dev_name: name of device or None for virtual devices :type dev_name: str or None :param con_uuid: uuid of connection to be activated on device :type con_uuid: str :raise UnknownDeviceError: if device is not found :raise UnmanagedDeviceError: if device is not managed by NM or unavailable :raise SettingsNotFoundError: if conneciton with given uuid was not found :raise UnknownConnectionError: if connection is not available for the device """ if dev_name is None: # virtual devices (eg bond, vlan) device_path = "/" else: proxy = _get_proxy() try: device_path = proxy.GetDeviceByIpIface('(s)', dev_name) except GError as e: if "org.freedesktop.NetworkManager.UnknownDevice" in e.message: raise UnknownDeviceError(dev_name, e) raise con_paths = _find_settings(con_uuid, 'connection', 'uuid') if not con_paths: raise SettingsNotFoundError(con_uuid) nm_proxy = _get_proxy() try: nm_proxy.ActivateConnection('(ooo)', con_paths[0], device_path, "/") except GError as e: if "org.freedesktop.NetworkManager.UnmanagedDevice" in e.message: raise UnmanagedDeviceError(dev_name, e) elif "org.freedesktop.NetworkManager.UnknownConnection" in e.message: raise UnknownConnectionError(dev_name, e) if "org.freedesktop.NetworkManager.UnknownDevice" in e.message: raise UnknownDeviceError(dev_name, e) raise def nm_add_connection(values): """Add new connection specified by values. :param values: | list of settings with new values and its types | [[key1, key2, value, type_str], ...] | key1: first-level key of setting (eg "connection") | key2: second-level key of setting (eg "uuid") | value: new value | type_str: dbus type of new value (eg "ay") :type values: | [[key1, key2, value, type_str], ...] | key1: str | key2: str | value: object | type_str: str """ settings = {} for key1, key2, value, type_str in values: gvalue = Variant(type_str, value) if key1 not in settings: settings[key1] = {} settings[key1][key2] = gvalue proxy = _get_proxy(object_path="/org/freedesktop/NetworkManager/Settings", interface_name="org.freedesktop.NetworkManager.Settings") try: connection = proxy.AddConnection('(a{sa{sv}})', settings) except GError as e: if "bond.options: invalid option" in e.message: raise BondOptionsError(e) raise return connection def nm_update_settings(uuid, new_values): """Update settings of connection given by uuid. The type of value is determined from existing settings of device. If setting for key1, key2 does not exist, default_type_str is used or if None, the type is inferred from the value supplied (string and bool only). :param uuid: uuid of the connection :type name: str :param new_values: list of settings with new values and its types [[key1, key2, value, default_type_str]] key1: first-level key of setting (eg "connection") key2: second-level key of setting (eg "uuid") value: new value default_type_str: dbus type of new value to be used if the setting does not already exist; if None, the type is inferred from value (string and bool only) :type new_values: [[key1, key2, value, default_type_str], ...] key1: str key2: str value: default_type_str: str :raise SettingsNotFoundError: if settings were not found (eg for "wlan0") """ settings_paths = _find_settings(uuid, "connection", "uuid") if not settings_paths: raise SettingsNotFoundError(uuid) return _update_settings(settings_paths[0], new_values) def nm_update_settings_of_device(name, new_values): """Update setting of device. The type of value is determined from existing settings of device. If setting for key1, key2 does not exist, default_type_str is used or if ``None``, the type is inferred from the value supplied (string and bool only). :param name: name of device :type name: str :param new_values: | list of settings with new values and its types | [[key1, key2, value, default_type_str]] | key1: first-level key of setting (eg "connection") | key2: second-level key of setting (eg "uuid") | value: new value | default_type_str: dbus type of new value to be used if the setting does not already exist; if ``None``, the type is inferred from value (string and bool only) :type new_values: | [[key1, key2, value, default_type_str], ...] | key1: str | key2: str | value: | default_type_str: str :raise UnknownDeviceError: if device is not found :raise SettingsNotFoundError: if settings were not found (eg for "wlan0") :raise MultipleSettingsFoundError: if multiple settings were found """ settings_paths = _device_settings(name) if not settings_paths: raise SettingsNotFoundError(name) elif len(settings_paths) > 1: raise MultipleSettingsFoundError(name) else: settings_path = settings_paths[0] return _update_settings(settings_path, new_values) def _update_settings(settings_path, new_values): """Update setting of object specified by settings_path with value. If the value is None, the setting is removed. The type of value is determined from existing setting. If setting for key1, key2 does not exist, default_type_str is used or if None, the type is inferred from the value supplied (string and bool only). :param settings_path: path of settings object :type settings_path: str :param new_values: list of settings with new values and its types [[key1, key2, value, default_type_str]] key1: first-level key of setting (eg "connection") key2: second-level key of setting (eg "uuid") value: new value, if None, the setting is removed default_type_str: dbus type of new value to be used if the setting does not already exist; if None, the type is inferred from value (string and bool only) :type new_values: [[key1, key2, value, default_type_str], ...] key1: str key2: str value: default_type_str: str """ proxy = _get_proxy(object_path=settings_path, interface_name="org.freedesktop.NetworkManager.Settings.Connection") args = None settings = proxy.call_sync("GetSettings", args, Gio.DBusCallFlags.NONE, DEFAULT_DBUS_TIMEOUT, None) for key1, key2, value, default_type_str in new_values: settings = _gvariant_settings(settings, key1, key2, value, default_type_str) proxy.call_sync("Update", settings, Gio.DBusCallFlags.NONE, DEFAULT_DBUS_TIMEOUT, None) def _gvariant_settings(settings, updated_key1, updated_key2, value, default_type_str=None): """Update setting of updated_key1, updated_key2 of settings object with value. If the value is None, the setting is removed. The type of value is determined from existing setting. If setting for key1, key2 does not exist, default_type_str is used or the type is inferred from the value supplied (string and bool only). """ type_str = default_type_str # build copy of GVariant settings as mutable python object new_settings = {} dict1 = settings.get_child_value(0) # loop over first level dict (key1) for key1_idx in range(dict1.n_children()): key_dict2 = dict1.get_child_value(key1_idx) key1 = key_dict2.get_child_value(0).unpack() new_settings[key1] = {} dict2 = key_dict2.get_child_value(1) # loop over second level dict (key2) for key2_idx in range(dict2.n_children()): key_val = dict2.get_child_value(key2_idx) key2 = key_val.get_child_value(0).unpack() val = key_val.get_child_value(1).get_child_value(0) # get type string of updated value if key1 == updated_key1 and key2 == updated_key2: type_str = val.get_type_string() # copy old value to new python object new_settings[key1][key2] = val if type_str is None: # infer the new value type for string and boolean if isinstance(value, bool): type_str = 'b' elif isinstance(value, str): type_str = 's' if type_str is not None: if updated_key1 not in new_settings: new_settings[updated_key1] = {} if value is None: new_settings[updated_key1].pop(updated_key2, None) else: new_settings[updated_key1][updated_key2] = Variant(type_str, value) return Variant(settings.get_type_string(), (new_settings,)) def nm_ipv6_to_dbus_ay(address): """Convert ipv6 address from string to list of bytes 'ay' for dbus :param address: IPv6 address :type address: str :return: address in format 'ay' for NM dbus setting :rtype: list of bytes """ return [int(byte) for byte in bytearray(socket.inet_pton(socket.AF_INET6, address))] def nm_ipv4_to_dbus_int(address): """Convert ipv4 address from string to int for dbus (switched endianess). :param address: IPv4 address :type address: str :return: IPv4 address as an integer 'u' for NM dbus setting :rtype: integer """ return struct.unpack("=L", socket.inet_aton(address))[0] def nm_dbus_ay_to_ipv6(bytelist): """Convert ipv6 address from list of bytes (dbus 'ay') to string. :param address: IPv6 address as list of bytes returned by dbus ('ay') :type address: list of bytes - dbus 'ay' :return: IPv6 address :rtype: str """ return socket.inet_ntop(socket.AF_INET6, bytes(bytelist)) def nm_dbus_int_to_ipv4(address): """Convert ipv4 address from dus int 'u' (switched endianess) to string. :param address: IPv4 address as integer returned by dbus ('u') :type address: integer - dbus 'u' :return: IPv6 address :rtype: str """ return socket.inet_ntop(socket.AF_INET, struct.pack('=L', address)) def test(): print("NM state: %s:" % nm_state()) print("NM is connected: %s" % nm_is_connected()) print("Devices: %s" % nm_devices()) print("Activated devices: %s" % nm_activated_devices()) wireless_device = "" devs = nm_devices() devs.append("nonexisting") for devname in devs: print(devname) try: devtype = nm_device_type(devname) except UnknownDeviceError as e: print(" %s" % e) devtype = None if devtype == NM.DeviceType.ETHERNET: print(" type %s" % "ETHERNET") elif devtype == NM.DeviceType.WIFI: print(" type %s" % "WIFI") wireless_device = devname try: print(" Wifi device: %s" % nm_device_type_is_wifi(devname)) except UnknownDeviceError as e: print(" %s" % e) try: hwaddr = nm_device_hwaddress(devname) print(" HwAaddress: %s" % hwaddr) except ValueError as e: print(" %s" % e) hwaddr = "" try: print(" Carrier: %s" % nm_device_carrier(devname)) except ValueError as e: print(" %s" % e) try: print(" IP4 config: %s" % nm_device_ip_config(devname)) print(" IP6 config: %s" % nm_device_ip_config(devname, version=6)) print(" IP4 addrs: %s" % nm_device_ip_addresses(devname)) print(" IP6 addrs: %s" % nm_device_ip_addresses(devname, version=6)) print(" Udi: %s" % nm_device_property(devname, "Udi")) except UnknownDeviceError as e: print(" %s" % e) if devname in nm_devices(): try: print(" Nonexisting: %s" % nm_device_property(devname, "Nonexisting")) except PropertyNotFoundError as e: print(" %s" % e) try: print(" Nonexisting: %s" % nm_device_property(devname, "Nonexisting")) except ValueError as e: print(" %s" % e) try: print(" Settings: %s" % _device_settings(devname)) except UnknownDeviceError as e: print(" %s" % e) try: print(" Settings for hwaddr %s: %s" % (hwaddr, _settings_for_hwaddr(hwaddr))) except UnknownDeviceError as e: print(" %s" % e) try: print(" Setting value %s %s: %s" % ("ipv6", "method", nm_device_setting_value(devname, "ipv6", "method"))) except ValueError as e: print(" %s" % e) try: print(" Setting value %s %s: %s" % ("ipv7", "method", nm_device_setting_value(devname, "ipv7", "method"))) except ValueError as e: print(" %s" % e) devname = devs[0] key1 = "connection" key2 = "autoconnect" original_value = nm_device_setting_value(devname, key1, key2) print("Value of setting %s %s: %s" % (key1, key2, original_value)) # None means default in this case, which is true if original_value in (None, True): new_value = False else: new_value = True print("Updating to %s" % new_value) nm_update_settings_of_device(devname, [[key1, key2, new_value, None]]) print("Value of setting %s %s: %s" % (key1, key2, nm_device_setting_value(devname, key1, key2))) nm_update_settings_of_device(devname, [[key1, key2, original_value, None]]) print("Value of setting %s %s: %s" % (key1, key2, nm_device_setting_value(devname, key1, key2))) nm_update_settings_of_device(devname, [[key1, key2, original_value, "b"]]) print("Value of setting %s %s: %s" % (key1, key2, nm_device_setting_value(devname, key1, key2))) nm_update_settings_of_device(devname, [[key1, "nonexisting", new_value, None]]) nm_update_settings_of_device(devname, [["nonexisting", "nonexisting", new_value, None]]) try: nm_update_settings_of_device("nonexixting", [[key1, key2, new_value, None]]) except UnknownDeviceError as e: print("%s" % e) if wireless_device: try: nm_update_settings_of_device(wireless_device, [[key1, key2, new_value, None]]) except SettingsNotFoundError as e: print("%s" % e) #nm_update_settings_of_device(devname, [["connection", "id", "test", None]]) #nm_update_settings_of_device(devname, [["connection", "timestamp", 11111111, None]]) #nm_update_settings_of_device(devname, [["802-3-ethernet", "mac-address", [55,55,55,55,55,55], None]]) #nm_update_settings_of_device(devname, [["ipv6", "method", "auto", None]]) #nm_update_settings_of_device(devname, [["ipv6", "addressess", [[[32,1,0,0,0,0,0,0,0,0,0,0,0,0,0,a], 64, [0]*16]], None]]) #nm_update_settings_of_device(devname, [["connection", "autoconnect", True, None]]) #nm_update_settings_of_device(devname, [["connection", "autoconnect", False, "b"]]) if __name__ == "__main__": test()