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#!/usr/bin/env python3
#
# Copyright (C) 2019 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import jinja2
from copy import deepcopy
from sys import exit
from vyos.config import Config
from vyos import ConfigError
config_80211_file='/etc/modprobe.d/cfg80211.conf'
config_crda_file='/etc/default/crda'
# Please be careful if you edit the template.
config_80211_tmpl = """
{%- if regdom -%}
options cfg80211 ieee80211_regdom={{ regdom }}
{% endif %}
"""
# Please be careful if you edit the template.
config_crda_tmpl = """
{%- if regdom -%}
REGDOMAIN={{ regdom }}
{% endif %}
"""
default_config_data = {
'regdom' : '',
'deleted' : False
}
def get_config():
regdom = deepcopy(default_config_data)
conf = Config()
# set new configuration level
conf.set_level('system')
# Check if interface has been removed
if not conf.exists('wifi-regulatory-domain'):
regdom['deleted'] = True
return regdom
# retrieve configured regulatory domain
if conf.exists('wifi-regulatory-domain'):
regdom['regdom'] = conf.return_value('wifi-regulatory-domain')
return regdom
def verify(regdom):
if regdom['deleted']:
return None
if not regdom['regdom']:
raise ConfigError("Wireless regulatory domain is mandatory.")
return None
def generate(regdom):
print("Changing the wireless regulatory domain requires a system reboot.")
if regdom['deleted']:
if os.path.isfile(config_80211_file):
os.unlink(config_80211_file)
if os.path.isfile(config_crda_file):
os.unlink(config_crda_file)
return None
tmpl = jinja2.Template(config_80211_tmpl)
config_text = tmpl.render(regdom)
with open(config_80211_file, 'w') as f:
f.write(config_text)
tmpl = jinja2.Template(config_crda_tmpl)
config_text = tmpl.render(regdom)
with open(config_crda_file, 'w') as f:
f.write(config_text)
return None
def apply(regdom):
return None
if __name__ == '__main__':
try:
c = get_config()
verify(c)
generate(c)
apply(c)
except ConfigError as e:
print(e)
exit(1)
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