core-admin/qubes/ext/gui.py
2016-03-21 11:43:33 +01:00

93 lines
3.1 KiB
Python

#!/usr/bin/env python
# vim: fileencoding=utf-8
#
# The Qubes OS Project, https://www.qubes-os.org/
#
# Copyright (C) 2010-2016 Joanna Rutkowska <joanna@invisiblethingslab.com>
# Copyright (C) 2013-2016 Marek Marczykowski-Górecki
# <marmarek@invisiblethingslab.com>
# Copyright (C) 2014-2016 Wojtek Porczyk <woju@invisiblethingslab.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
import os
import subprocess
import qubes.config
import qubes.ext
class GUI(qubes.ext.Extension):
@qubes.ext.handler('domain-start', 'domain-cmd-pre-run')
def start_guid(self, vm, event, preparing_dvm=False, start_guid=True,
extra_guid_args=None, **kwargs):
'''Launch gui daemon.
GUI daemon securely displays windows from domain.
''' # pylint: disable=no-self-use,unused-argument
if not start_guid or preparing_dvm \
or not os.path.exists('/var/run/shm.id'):
return
if not vm.features.check_with_template('gui', not vm.hvm):
vm.log.debug('Not starting gui daemon, disabled by features')
return
if not os.getenv('DISPLAY'):
vm.log.error('Not starting gui daemon, no DISPLAY set')
return
vm.log.info('Starting gui daemon')
guid_cmd = [qubes.config.system_path['qubes_guid_path'],
'-d', str(vm.xid), '-N', vm.name,
'-c', vm.label.color,
'-i', vm.label.icon_path,
'-l', str(vm.label.index)]
if extra_guid_args is not None:
guid_cmd += extra_guid_args
if vm.debug:
guid_cmd += ['-v', '-v']
# elif not verbose:
else:
guid_cmd += ['-q']
retcode = subprocess.call(guid_cmd)
if retcode != 0:
raise qubes.exc.QubesVMError(vm,
'Cannot start qubes-guid for domain {!r}'.format(vm.name))
vm.notify_monitor_layout()
vm.wait_for_session()
@qubes.ext.handler('monitor-layout-change')
def on_monitor_layout_change(self, vm, event, monitor_layout):
# pylint: disable=no-self-use
if vm.features.check_with_template('no-monitor-layout', False) \
or not vm.is_running():
return
pipe = vm.run('QUBESRPC qubes.SetMonitorLayout dom0',
passio_popen=True, wait=True)
pipe.stdin.write(''.join(monitor_layout))
pipe.stdin.close()
pipe.wait()