56 lines
1.8 KiB
Python
Executable File
56 lines
1.8 KiB
Python
Executable File
#!/usr/bin/python3
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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 Marek Marczykowski <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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#
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#
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import sys
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import os
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import re
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import subprocess
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from qubesadmin import Qubes
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def main():
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if os.geteuid() != 0:
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sys.stderr.write('This program must be run as root to set the date, aborting!\n')
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sys.exit(1)
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app = Qubes()
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clockvm = app.clockvm
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if not clockvm.is_running():
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sys.stderr.write('ClockVM {} is not running, aborting.\n'.format(
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clockvm.name))
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sys.exit(0)
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p = clockvm.run_service('qubes.GetDate')
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untrusted_date_out = p.stdout.read(25).decode('ascii', errors='strict')
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untrusted_date_out = untrusted_date_out.strip()
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if not re.match(r'^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\+00:?00$', untrusted_date_out):
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sys.stderr.write('Invalid date received, aborting!\n')
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sys.exit(1)
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date_out = untrusted_date_out
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subprocess.check_call(['date', '-u', '-Iseconds', '-s', date_out],
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stdout=subprocess.DEVNULL)
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subprocess.check_call(['/sbin/hwclock', '--systohc'],
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stdout=subprocess.DEVNULL)
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if __name__ == '__main__':
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main()
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