137 lines
4.2 KiB
Python
137 lines
4.2 KiB
Python
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# coding=utf-8
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#
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# The Qubes OS Project, https://www.qubes-os.org/
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#
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# Copyright (C) 2010-2016 Joanna Rutkowska <joanna@invisiblethingslab.com>
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# Copyright (C) 2016 Wojtek Porczyk <woju@invisiblethingslab.com>
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# Copyright (C) 2017 Marek Marczykowski-Górecki
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# <marmarek@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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'''qvm-service - Manage domain's services'''
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from __future__ import print_function
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import argparse
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import sys
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import qubesadmin
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import qubesadmin.exc
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import qubesadmin.tools
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parser = qubesadmin.tools.QubesArgumentParser(
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vmname_nargs=1,
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argument_default=argparse.SUPPRESS,
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description='manage domain\'s services')
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parser.add_argument('service', metavar='FEATURE',
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action='store', nargs='?',
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help='name of the feature')
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parser.add_argument('value', metavar='VALUE',
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action='store', nargs='?',
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help='new value of the service')
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parser.add_argument('--unset', '--default', '--delete', '-D',
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dest='delete', default=False,
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action='store_true',
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help='unset service (default to VM preference)')
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parser.add_argument('--list', '-l',
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dest='list',
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action='store_true',
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help='list services (default action)')
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parser.add_argument('--enable', '-e',
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dest='value',
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action='store_const', const='1',
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help='enable service')
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parser.add_argument('--disable', '-d',
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dest='value',
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action='store_const', const='0',
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help='disable service')
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def parse_bool(value):
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'''Convert string value to bool according to well known representations
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It accepts (case-insensitive) ``'0'``, ``'no'`` and ``false`` as
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:py:obj:`False` and ``'1'``, ``'yes'`` and ``'true'`` as
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:py:obj:`True`.
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'''
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if isinstance(value, str):
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lcvalue = value.lower()
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if lcvalue in ('0', 'no', 'false', 'off'):
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return False
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if lcvalue in ('1', 'yes', 'true', 'on'):
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return True
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raise qubesadmin.exc.QubesValueError(
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'Invalid literal for boolean value: {!r}'.format(value))
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return bool(value)
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def main(args=None, app=None):
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'''Main routine of :program:`qvm-features`.
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:param list args: Optional arguments to override those delivered from \
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command line.
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'''
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args = parser.parse_args(args, app=app)
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vm = args.domains[0]
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if not hasattr(args, 'service'):
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if args.delete:
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parser.error('--unset requires a feature')
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services = [(feat[len('service.'):],
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'on' if vm.features[feat] else 'off') for feat in
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vm.features if feat.startswith('service.')]
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qubesadmin.tools.print_table(services)
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elif args.delete:
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if hasattr(args, 'value'):
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parser.error('cannot both set and unset a value')
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try:
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del vm.features['service.' + args.service]
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except KeyError:
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pass
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except qubesadmin.exc.QubesException as err:
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parser.error_runtime(str(err))
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elif hasattr(args, 'value'):
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try:
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vm.features['service.' + args.service] = parse_bool(args.value)
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except qubesadmin.exc.QubesException as err:
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parser.error_runtime(str(err))
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else:
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try:
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print('on' if vm.features['service.' + args.service] else 'off')
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return 0
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except KeyError:
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return 1
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except qubesadmin.exc.QubesException as err:
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parser.error_runtime(str(err))
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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