2164a8d7b8
See this thread for reasoning and acceptance from contributors: https://groups.google.com/d/topic/qubes-devel/G7KzrfU0lWY/discussion "Changing qubes-core-admin license to LGPL v2.1+"
96 lines
3.6 KiB
Python
Executable File
96 lines
3.6 KiB
Python
Executable File
#!/usr/bin/python3
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# coding=utf-8
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# The Qubes OS Project, https://www.qubes-os.org/
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#
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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 library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library 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 GNU
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# 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
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# License along with this library; if not, see <https://www.gnu.org/licenses/>.
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import argparse
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import os
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import sys
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import qubes.api.admin
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parser = argparse.ArgumentParser(
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description='Generate default Admin API policy')
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parser.add_argument('--include-base', action='store',
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default='include',
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help='Base path for included paths (default: %(default)s)')
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parser.add_argument('--destdir', action='store',
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default='/etc/qubes-rpc/policy',
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help='Directory where write output files to (default: %(default)s)')
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parser.add_argument('--verbose', action='store_true', default=False,
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help='Be verbose')
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parser.add_argument('--exclude', action='store', nargs='*',
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help='Exclude service')
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parser.add_argument('service', nargs='*', action='store',
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help='Generate policy for those services (default: all)')
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default_policy_header = '''\
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## Note that policy parsing stops at the first match.
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## Anything not specifically allowed here (or in included file) will be denied.
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## Please use a single # to start your custom comments
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## Add your entries here, make sure to append ",target=dom0" to all allow/ask actions
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## Include a common file for all admin.* methods to ease setting up
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## Management VM.
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## To allow only specific actions, edit specific policy file, like this one. To
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## allow all of them, edit appropriate /etc/qubes-rpc/include/admin-*.
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'''
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def write_default_policy(args, apiname, clasifiers):
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''' Write single default policy for given API call '''
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assert 'scope' in clasifiers, \
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'Method {} lack scope classifier'.format(apiname)
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assert any(attr in clasifiers for attr in ('read', 'write', 'execute')), \
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'Method {} lack read/write/execute classifier'.format(apiname)
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assert clasifiers['scope'] in ('local', 'global'), \
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'Method {} have invalid scope: {}'.format(apiname, clasifiers['scope'])
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file_to_include = 'admin-{scope}-{rwx}'.format(
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scope=clasifiers['scope'],
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rwx=('rwx' if clasifiers.get('write', False) or
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clasifiers.get('execute', False)
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else 'ro'))
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if args.verbose:
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print('Service {}: include {}'.format(apiname, file_to_include),
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file=sys.stderr)
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with open(os.path.join(args.destdir, apiname), 'w') as f:
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f.write(default_policy_header)
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f.write('$include:{}\n'.format(
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os.path.join(args.include_base, file_to_include)))
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def main(args=None):
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''' Main function of default-admin-policy tool'''
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args = parser.parse_args(args)
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for func, apiname, _ in qubes.api.admin.QubesAdminAPI.list_methods():
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if args.service and apiname not in args.service:
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continue
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if args.exclude and apiname in args.exclude:
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continue
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write_default_policy(args, apiname, func.classifiers)
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if __name__ == '__main__':
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sys.exit(main())
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