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#!/usr/bin/python3
# -*- mode: python -*-
#
# This file is part of Plinth.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""
Configuration helper for Plinth firewall inteface
"""
import argparse
import subprocess
def parse_arguments():
"""Return parsed command line arguments as dictionary"""
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest='subcommand', help='Sub command')
# Get status
subparsers.add_parser('get-status',
help='Get whether firewalld is running')
# Get service status
get_enabled_services = subparsers.add_parser(
'get-enabled-services', help='Get list of enabled services')
get_enabled_services.add_argument(
'--zone', help='Zone from which the list is to be retrieved',
required=True)
# Add a service
add_service = subparsers.add_parser('add-service', help='Add a service')
add_service.add_argument('service', help='Name of the service to add')
add_service.add_argument('--zone',
help='Zone to which service is to be added',
required=True)
# Remove a service status
remove_service = subparsers.add_parser('remove-service',
help='Remove a service')
remove_service.add_argument('service',
help='Name of the service to remove')
remove_service.add_argument(
'--zone', help='Zone from which service is to be removed',
required=True)
return parser.parse_args()
def subcommand_get_status(_):
"""Print status of the firewalld service"""
subprocess.call(['firewall-cmd', '--state'])
def subcommand_get_enabled_services(arguments):
"""Print the status of variours services"""
subprocess.call(['firewall-cmd', '--zone', arguments.zone,
'--list-services'])
def subcommand_add_service(arguments):
"""Permit a service in the firewall"""
subprocess.call(['firewall-cmd', '--zone', arguments.zone, '--add-service',
arguments.service])
subprocess.call(['firewall-cmd', '--zone', arguments.zone, '--permanent',
'--add-service', arguments.service])
def subcommand_remove_service(arguments):
"""Block a service in the firewall"""
subprocess.call(['firewall-cmd', '--zone', arguments.zone,
'--remove-service', arguments.service])
subprocess.call(['firewall-cmd', '--zone', arguments.zone, '--permanent',
'--remove-service', arguments.service])
def main():
"""Parse arguments and perform all duties"""
arguments = parse_arguments()
subcommand = arguments.subcommand.replace('-', '_')
subcommand_method = globals()['subcommand_' + subcommand]
subcommand_method(arguments)
if __name__ == "__main__":
main()
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