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# Copyright 2020-2021 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
from vyos.ifconfig.interface import Interface
@Interface.register
class WiFiIf(Interface):
"""
Handle WIFI/WLAN interfaces.
"""
iftype = 'wifi'
definition = {
**Interface.definition,
**{
'section': 'wireless',
'prefixes': ['wlan', ],
'bridgeable': True,
}
}
def _create(self):
# all interfaces will be added in monitor mode
cmd = 'iw phy {physical_device} interface add {ifname} type monitor'
self._cmd(cmd.format(**self.config))
# wireless interface is administratively down by default
self.set_admin_state('down')
def _delete(self):
cmd = 'iw dev {ifname} del' \
.format(**self.config)
self._cmd(cmd)
def update(self, config):
""" General helper function which works on a dictionary retrived by
get_config_dict(). It's main intention is to consolidate the scattered
interface setup code and provide a single point of entry when workin
on any interface. """
# We can not call add_to_bridge() until wpa_supplicant is running, thus
# we will remove the key from the config dict and react to this special
# case in this derived class.
# re-add ourselves to any bridge we might have fallen out of
bridge_member = None
if 'is_bridge_member' in config:
bridge_member = config['is_bridge_member']
del config['is_bridge_member']
# call base class first
super().update(config)
# re-add ourselves to any bridge we might have fallen out of
if bridge_member:
self.add_to_bridge(bridge_member)
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