diff options
Diffstat (limited to 'src/conf_mode/system-options.py')
-rwxr-xr-x | src/conf_mode/system-options.py | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/conf_mode/system-options.py b/src/conf_mode/system-options.py new file mode 100755 index 000000000..0aacd19d8 --- /dev/null +++ b/src/conf_mode/system-options.py @@ -0,0 +1,109 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2019-2020 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 + +from netifaces import interfaces +from sys import exit + +from vyos.config import Config +from vyos.template import render +from vyos.util import call +from vyos.validate import is_addr_assigned +from vyos import ConfigError +from vyos import airbag +airbag.enable() + +curlrc_config = r'/etc/curlrc' +ssh_config = r'/etc/ssh/ssh_config' +systemd_action_file = '/lib/systemd/system/ctrl-alt-del.target' + +def get_config(): + conf = Config() + base = ['system', 'options'] + options = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) + return options + +def verify(options): + if 'http_client' in options: + config = options['http_client'] + if 'source_interface' in config: + if not config['source_interface'] in interfaces(): + raise ConfigError(f'Source interface {source_interface} does not ' + f'exist'.format(**config)) + + if {'source_address', 'source_interface'} <= set(config): + raise ConfigError('Can not define both HTTP source-interface and source-address') + + if 'source_address' in config: + if not is_addr_assigned(config['source_address']): + raise ConfigError('No interface with give address specified!') + + if 'ssh_client' in options: + config = options['ssh_client'] + if 'source_address' in config: + if not is_addr_assigned(config['source_address']): + raise ConfigError('No interface with give address specified!') + + return None + +def generate(options): + render(curlrc_config, 'system/curlrc.tmpl', options, trim_blocks=True) + render(ssh_config, 'system/ssh_config.tmpl', options, trim_blocks=True) + return None + +def apply(options): + # Beep action + if 'beep_if_fully_booted' in options.keys(): + call('systemctl enable vyos-beep.service') + else: + call('systemctl disable vyos-beep.service') + + # Ctrl-Alt-Delete action + if os.path.exists(systemd_action_file): + os.unlink(systemd_action_file) + + if 'ctrl_alt_del_action' in options: + if options['ctrl_alt_del_action'] == 'reboot': + os.symlink('/lib/systemd/system/reboot.target', systemd_action_file) + elif options['ctrl_alt_del_action'] == 'poweroff': + os.symlink('/lib/systemd/system/poweroff.target', systemd_action_file) + + if 'http_client' not in options: + if os.path.exists(curlrc_config): + os.unlink(curlrc_config) + + if 'ssh_client' not in options: + if os.path.exists(ssh_config): + os.unlink(ssh_config) + + # Reboot system on kernel panic + with open('/proc/sys/kernel/panic', 'w') as f: + if 'reboot_on_panic' in options.keys(): + f.write('60') + else: + f.write('0') + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + exit(1) + |