139 lines
4.2 KiB
Python
139 lines
4.2 KiB
Python
#!/usr/bin/python2
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# -*- encoding: utf8 -*-
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2010-2015 Joanna Rutkowska <joanna@invisiblethingslab.com>
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# Copyright (C) 2015 Wojtek Porczyk <woju@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 General Public License as published by
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# the Free Software Foundation; either version 2 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 General Public License for more details.
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#
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# You should have received a copy of the GNU 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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# TODO list properties for all classes
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# TODO list only non-default properties
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from __future__ import print_function
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import argparse
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import os
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import subprocess
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import sys
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import textwrap
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import qubes
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import qubes.tools
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import qubes.utils
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import qubes.vm
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class _HelpPropertiesAction(argparse.Action):
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'''Action for argument parser that displays all properties and exits.'''
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# pylint: disable=redefined-builtin
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def __init__(self,
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option_strings,
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dest=argparse.SUPPRESS,
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default=argparse.SUPPRESS,
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help='list all available properties with short descriptions'
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' and exit'):
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super(_HelpPropertiesAction, self).__init__(
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option_strings=option_strings,
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dest=dest,
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default=default,
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nargs=0,
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help=help)
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def __call__(self, parser, namespace, values, option_string=None):
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properties = qubes.vm.qubesvm.QubesVM.property_list()
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width = max(len(prop.__name__) for prop in properties)
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wrapper = textwrap.TextWrapper(width=80,
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initial_indent=' ', subsequent_indent=' ' * (width + 6))
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text = 'Common properties:\n' + '\n'.join(
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wrapper.fill('{name:{width}s} {doc}'.format(
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name=prop.__name__,
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doc=qubes.utils.format_doc(prop.__doc__) if prop.__doc__ else'',
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width=width))
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for prop in sorted(properties))
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parser.exit(message=text
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+ '\n\nThere may be more properties in specific domain classes.\n')
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parser = qubes.tools.QubesArgumentParser(
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want_force_root=True,
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want_vm=True)
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parser.add_argument('--help-properties', action=_HelpPropertiesAction)
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parser.add_argument('property', metavar='PROPERTY',
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nargs='?',
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help='name of the property to show or change')
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parser_value = parser.add_mutually_exclusive_group()
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parser_value.add_argument('value', metavar='VALUE',
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nargs='?',
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help='new value of the property')
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parser.add_argument('--unset', '--default', '--delete', '-D',
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dest='delete',
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action='store_true',
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help='unset the property; if property has default value, it will be used'
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' instead')
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def main():
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args = parser.parse_args()
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if args.property is None:
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properties = args.vm.property_list()
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width = max(len(prop.__name__) for prop in properties)
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for prop in sorted(properties):
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try:
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value = getattr(args.vm, prop.__name__)
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except AttributeError:
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print('{name:{width}s} U'.format(
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name=prop.__name__, width=width))
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continue
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if args.vm.property_is_default(prop):
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print('{name:{width}s} D {value!r}'.format(
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name=prop.__name__, width=width, value=value))
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else:
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print('{name:{width}s} - {value!r}'.format(
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name=prop.__name__, width=width, value=value))
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return True
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if args.value is not None:
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setattr(args.vm, args.property, args.value)
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args.app.save()
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return True
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if args.delete:
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delattr(args.vm, args.property)
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args.app.save()
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return True
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print(str(getattr(args.vm, args.property)))
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return True
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if __name__ == '__main__':
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sys.exit(not main())
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