manager/qubesmanager/settings.py
donoban a7537a323a
Wops
I did not notice on my pylint because it complains about all imports
2018-10-21 00:16:23 +02:00

1220 lines
45 KiB
Python
Executable File

#!/usr/bin/python3
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2012 Agnieszka Kostrzewa <agnieszka.kostrzewa@gmail.com>
# Copyright (C) 2012 Marek Marczykowski-Górecki
# <marmarek@invisiblethingslab.com>
# Copyright (C) 2017 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 Lesser General Public License along
# with this program; if not, see <http://www.gnu.org/licenses/>.
#
#
import collections
import os.path
import os
import re
import subprocess
import traceback
import sys
from qubesadmin.tools import QubesArgumentParser
from qubesadmin import devices
from qubesadmin import utils as admin_utils
import qubesadmin.exc
from . import utils
from . import multiselectwidget
from . import common_threads
from . import device_list
from .appmenu_select import AppmenuSelectManager
from . import firewall
from PyQt4 import QtCore, QtGui # pylint: disable=import-error
from . import ui_settingsdlg # pylint: disable=no-name-in-module
class RenameVMThread(QtCore.QThread):
def __init__(self, vm, new_vm_name, dependencies):
QtCore.QThread.__init__(self)
self.vm = vm
self.new_vm_name = new_vm_name
self.dependencies = dependencies
self.error = None
def run(self):
try:
new_vm = self.vm.app.clone_vm(self.vm, self.new_vm_name)
failed_props = []
for (holder, prop) in self.dependencies:
try:
if holder is None:
setattr(self.vm.app, prop, new_vm)
else:
setattr(holder, prop, new_vm)
except qubesadmin.exc.QubesException:
failed_props += [(holder, prop)]
if not failed_props:
del self.vm.app.domains[self.vm.name]
else:
list_text = utils.format_dependencies_list(failed_props)
QtGui.QMessageBox.warning(
self,
self.tr("Warning: rename partially unsuccessful"),
self.tr("Some properties could not be changed to the new "
"name. The system has now both {} and {} qubes. "
"To resolve this, please check and change the "
"following properties and remove the qube {} "
"manually.<br> ").format(
self.vm.name, self.vm.name, self.vm.name) + list_text)
except qubesadmin.exc.QubesException as ex:
self.error = ("Rename error!", str(ex))
except Exception as ex: # pylint: disable=broad-except
self.error = ("Rename error!", repr(ex))
class RefreshAppsVMThread(QtCore.QThread):
def __init__(self, vm):
QtCore.QThread.__init__(self)
self.vm = vm
self.error = None
def run(self):
try:
try:
target_vm = self.vm.template
except AttributeError:
target_vm = self.vm
if not target_vm.is_running():
not_running = True
target_vm.start()
else:
not_running = False
subprocess.check_call(['qvm-sync-appmenus', target_vm.name])
if not_running:
target_vm.shutdown()
except Exception as ex: # pylint: disable=broad-except
self.error = ("Refresh failed!", str(ex))
# pylint: disable=too-many-instance-attributes
class VMSettingsWindow(ui_settingsdlg.Ui_SettingsDialog, QtGui.QDialog):
tabs_indices = collections.OrderedDict((
('basic', 0),
('advanced', 1),
('firewall', 2),
('devices', 3),
('applications', 4),
('services', 5),
))
def __init__(self, vm, qapp, init_page="basic", parent=None):
super(VMSettingsWindow, self).__init__(parent)
self.vm = vm
self.qapp = qapp
self.threads_list = []
self.progress = None
self.thread_closes = False
try:
self.source_vm = self.vm.template
except AttributeError:
self.source_vm = self.vm
self.setupUi(self)
self.setWindowTitle(self.tr("Settings: {vm}").format(vm=self.vm.name))
if init_page in self.tabs_indices:
idx = self.tabs_indices[init_page]
assert idx in range(self.tabWidget.count())
self.tabWidget.setCurrentIndex(idx)
self.buttonBox.button(QtGui.QDialogButtonBox.Ok).clicked.connect(
self.save_and_apply)
self.buttonBox.button(QtGui.QDialogButtonBox.Cancel).clicked.connect(
self.reject)
self.buttonBox.button(QtGui.QDialogButtonBox.Apply).clicked.connect(
self.apply)
self.tabWidget.currentChanged.connect(self.current_tab_changed)
###### basic tab
self.__init_basic_tab__()
self.rename_vm_button.clicked.connect(self.rename_vm)
self.delete_vm_button.clicked.connect(self.remove_vm)
self.clone_vm_button.clicked.connect(self.clone_vm)
###### advanced tab
self.__init_advanced_tab__()
self.include_in_balancing.stateChanged.connect(
self.include_in_balancing_changed)
self.connect(self.init_mem,
QtCore.SIGNAL("editingFinished()"),
self.check_mem_changes)
self.connect(self.max_mem_size,
QtCore.SIGNAL("editingFinished()"),
self.check_mem_changes)
self.boot_from_device_button.clicked.connect(
self.boot_from_cdrom_button_pressed)
###### firewall tab
if self.tabWidget.isTabEnabled(self.tabs_indices['firewall']):
model = firewall.QubesFirewallRulesModel()
try:
model.set_vm(vm)
self.set_fw_model(model)
self.firewall_modified_outside_label.setVisible(False)
except firewall.FirewallModifiedOutsideError:
self.disable_all_fw_conf()
self.new_rule_button.clicked.connect(self.new_rule_button_pressed)
self.edit_rule_button.clicked.connect(self.edit_rule_button_pressed)
self.delete_rule_button.clicked.connect(
self.delete_rule_button_pressed)
self.policy_deny_radio_button.clicked.connect(self.policy_changed)
self.policy_allow_radio_button.clicked.connect(self.policy_changed)
if init_page == 'firewall':
self.check_network_availability()
####### devices tab
self.__init_devices_tab__()
self.connect(self.dev_list,
QtCore.SIGNAL("selected_changed()"),
self.devices_selection_changed)
self.no_strict_reset_button.clicked.connect(
self.strict_reset_button_pressed)
self.current_strict_reset_list = []
self.new_strict_reset_list = []
self.define_strict_reset_devices()
####### services tab
self.__init_services_tab__()
self.service_line_edit.lineEdit().returnPressed.connect(
self.__add_service__)
self.add_srv_button.clicked.connect(self.__add_service__)
self.remove_srv_button.clicked.connect(self.__remove_service__)
####### apps tab
if self.tabWidget.isTabEnabled(self.tabs_indices["applications"]):
self.app_list = multiselectwidget.MultiSelectWidget(self)
self.apps_layout.addWidget(self.app_list)
self.app_list_manager = AppmenuSelectManager(self.vm, self.app_list)
self.refresh_apps_button.clicked.connect(
self.refresh_apps_button_pressed)
def clear_threads(self):
for thread in self.threads_list:
if thread.isFinished():
if self.progress:
self.progress.hide()
self.progress = None
if thread.error:
(title, msg) = thread.error
QtGui.QMessageBox.warning(
None,
self.tr(title),
self.tr(msg))
self.threads_list.remove(thread)
if self.thread_closes:
self.done(0)
def keyPressEvent(self, event): # pylint: disable=invalid-name
if event.key() == QtCore.Qt.Key_Enter \
or event.key() == QtCore.Qt.Key_Return:
return
super(VMSettingsWindow, self).keyPressEvent(event)
def reject(self):
self.done(0)
# needed not to close the dialog before applying changes
def accept(self):
pass
def save_changes(self):
error = self.__save_changes__()
if error:
QtGui.QMessageBox.warning(
self,
self.tr("Error while changing settings for {0}!"
).format(self.vm.name),
self.tr("ERROR: {0}").format('\n'.join(error)))
def apply(self):
self.save_changes()
def save_and_apply(self):
self.save_changes()
self.done(0)
def __save_changes__(self):
ret = []
try:
ret_tmp = self.__apply_basic_tab__()
if ret_tmp:
ret += ["Basic tab:"] + ret_tmp
ret_tmp = self.__apply_advanced_tab__()
if ret_tmp:
ret += ["Advanced tab:"] + ret_tmp
ret_tmp = self.__apply_devices_tab__()
if ret_tmp:
ret += ["Devices tab:"] + ret_tmp
ret_tmp = self.__apply_services_tab__()
if ret_tmp:
ret += ["Sevices tab:"] + ret_tmp
except qubesadmin.exc.QubesException as qex:
ret.append(self.tr('Error while saving changes: ') + str(qex))
except Exception as ex: # pylint: disable=broad-except
ret.append(repr(ex))
try:
if self.policy_allow_radio_button.isEnabled():
self.fw_model.apply_rules(
self.policy_allow_radio_button.isChecked(),
self.temp_full_access.isChecked(),
self.temp_full_access_time.value())
except qubesadmin.exc.QubesException as qex:
ret += [self.tr("Firewall tab:"), str(qex)]
except Exception as ex: # pylint: disable=broad-except
ret += [self.tr("Firewall tab:"), repr(ex)]
try:
if self.tabWidget.isTabEnabled(self.tabs_indices["applications"]):
self.app_list_manager.save_appmenu_select_changes()
except qubesadmin.exc.QubesException as qex:
ret += [self.tr("Applications tab:"), str(qex)]
except Exception as ex: # pylint: disable=broad-except
ret += [self.tr("Applications tab:"), repr(ex)]
utils.debug('\n'.join(ret))
return ret
def check_network_availability(self):
netvm = self.vm.netvm
self.no_netvm_label.setVisible(netvm is None)
self.netvm_no_firewall_label.setVisible(
netvm is not None and
not netvm.features.check_with_template('qubes-firewall', False))
if netvm is None:
QtGui.QMessageBox.warning(
self,
self.tr("Qube configuration problem!"),
self.tr('This qube has networking disabled '
'(Basic -> Networking) - network will be disabled. '
'If you want to use firewall, '
'please enable networking.')
)
if netvm is not None and \
not netvm.features.check_with_template(
'qubes-firewall',
False):
QtGui.QMessageBox.warning(
self,
self.tr("Qube configuration problem!"),
self.tr("The '{vm}' qube is network connected to "
"'{netvm}', which does not support firewall!<br/>"
"You may edit the '{vm}' qube firewall rules, but "
"these will not take any effect until you connect it "
"to a working Firewall qube.").format(
vm=self.vm.name, netvm=netvm.name))
def current_tab_changed(self, idx):
if idx == self.tabs_indices["firewall"]:
self.check_network_availability()
######### basic tab
# TODO LISTENERS
# - vm start/shutdown -> setEnabled on fields: template labels
# - vm create/delete -> choices lists, whole window deactiv (if self.vm)
# - property-set -> individual fields
# TODO INTERACTIONS
# netvm -> networking_groupbox
# hvm -> include_in_balancing
# TODO REMOVE
# other_groupbox
def __init_basic_tab__(self):
self.vmname.setText(self.vm.name)
self.vmname.setValidator(
QtGui.QRegExpValidator(
QtCore.QRegExp("[a-zA-Z0-9_-]*",
QtCore.Qt.CaseInsensitive), None))
self.vmname.setEnabled(False)
self.rename_vm_button.setEnabled(not self.vm.is_running())
self.delete_vm_button.setEnabled(not self.vm.is_running())
if self.vm.is_running():
self.delete_vm_button.setText(
self.tr('Delete qube (cannot delete a running qube)'))
if self.vm.qid == 0:
self.vmlabel.setVisible(False)
else:
self.label_list, self.label_idx = utils.prepare_label_choice(
self.vmlabel,
self.vm, 'label',
None,
allow_default=False
)
self.vmlabel.setVisible(True)
self.vmlabel.setEnabled(not self.vm.is_running())
if self.vm.klass == 'AppVM':
self.template_list, self.template_idx = utils.prepare_vm_choice(
self.template_name,
self.vm, 'template',
self.vm.app.default_template,
(lambda vm: vm.klass == 'TemplateVM'),
allow_default=False, allow_none=False)
else:
self.template_name.setEnabled(False)
self.template_idx = -1
self.netvm_list, self.netvm_idx = utils.prepare_vm_choice(
self.netVM,
self.vm, 'netvm',
self.vm.app.default_netvm,
(lambda vm: vm.provides_network),
allow_default=True, allow_none=True)
self.include_in_backups.setChecked(self.vm.include_in_backups)
try:
self.run_in_debug_mode.setChecked(self.vm.debug)
self.run_in_debug_mode.setVisible(True)
except AttributeError:
self.run_in_debug_mode.setVisible(False)
try:
self.autostart_vm.setChecked(self.vm.autostart)
self.autostart_vm.setVisible(True)
except AttributeError:
self.autostart_vm.setVisible(False)
# type
self.type_label.setText(self.vm.klass)
# installed by rpm
self.rpm_label.setText('Yes' if self.vm.installed_by_rpm else 'No')
# networking info
if self.vm.netvm:
self.networking_groupbox.setEnabled(True)
self.ip_label.setText(self.vm.ip or "none")
self.netmask_label.setText(self.vm.visible_netmask or "none")
self.gateway_label.setText(self.vm.visible_gateway or "none")
else:
self.networking_groupbox.setEnabled(False)
# max priv storage
self.priv_img_size = self.vm.volumes['private'].size // 1024**2
self.max_priv_storage.setMinimum(self.priv_img_size)
self.max_priv_storage.setValue(self.priv_img_size)
self.root_img_size = self.vm.volumes['root'].size // 1024**2
self.root_resize.setValue(self.root_img_size)
self.root_resize.setMinimum(self.root_img_size)
self.root_resize.setEnabled(self.vm.volumes['root'].save_on_stop)
self.root_resize_label.setEnabled(self.root_resize.isEnabled())
def __apply_basic_tab__(self):
msg = []
# vm label changed
try:
if self.vmlabel.isVisible():
if self.vmlabel.currentIndex() != self.label_idx:
label = self.label_list[self.vmlabel.currentIndex()]
self.vm.label = label
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
# vm template changed
try:
if self.template_name.currentIndex() != self.template_idx:
self.vm.template = \
self.template_list[self.template_name.currentIndex()]
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
# vm netvm changed
try:
if self.netVM.currentIndex() != self.netvm_idx:
self.vm.netvm = self.netvm_list[self.netVM.currentIndex()]
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
# include in backups
try:
if self.vm.include_in_backups != \
self.include_in_backups.isChecked():
self.vm.include_in_backups = self.include_in_backups.isChecked()
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
# run_in_debug_mode
try:
if self.run_in_debug_mode.isVisible():
if self.vm.debug != self.run_in_debug_mode.isChecked():
self.vm.debug = self.run_in_debug_mode.isChecked()
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
# autostart_vm
try:
if self.autostart_vm.isVisible():
if self.vm.autostart != self.autostart_vm.isChecked():
self.vm.autostart = self.autostart_vm.isChecked()
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
# max priv storage
priv_size = self.max_priv_storage.value()
if self.priv_img_size != priv_size:
try:
self.vm.volumes['private'].resize(priv_size * 1024**2)
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
# max sys storage
sys_size = self.root_resize.value()
if self.root_img_size != sys_size:
try:
self.vm.volumes['root'].resize(sys_size * 1024**2)
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
return msg
def check_mem_changes(self):
if self.max_mem_size.value() < self.init_mem.value():
QtGui.QMessageBox.warning(
self,
self.tr("Warning!"),
self.tr("Max memory can not be less than initial memory.<br>"
"Setting max memory to equal initial memory."))
self.max_mem_size.setValue(self.init_mem.value())
# Linux specific limit: init memory must not be below
# max_mem_size/10.79 in order to allow scaling up to
# max_mem_size (or else "add_memory() failed: -17" problem)
if self.init_mem.value() * 10 < self.max_mem_size.value():
QtGui.QMessageBox.warning(
self,
self.tr("Warning!"),
self.tr("Initial memory can not be less than one tenth "
"Max memory.<br>Setting initial memory to the minimum "
"allowed value."))
self.init_mem.setValue(self.max_mem_size.value() / 10)
def rename_vm(self):
dependencies = admin_utils.vm_dependencies(self.vm.app, self.vm)
running_dependencies = [vm.name for (vm, prop) in dependencies
if vm and prop == 'template'
and vm.is_running()]
if running_dependencies:
QtGui.QMessageBox.warning(
self,
self.tr("Qube cannot be renamed!"),
self.tr(
"The following qubes using this qube as a template are "
"running: <br> {}. <br> In order to rename this qube, you "
"must first shut them down.").format(
", ".join(running_dependencies)))
return
new_vm_name, ok = QtGui.QInputDialog.getText(
self,
self.tr('Rename qube'),
self.tr('New name: (WARNING: all other changes will be discarded)'))
if ok:
thread = RenameVMThread(self.vm, new_vm_name, dependencies)
self.threads_list.append(thread)
thread.finished.connect(self.clear_threads)
self.progress = QtGui.QProgressDialog(
self.tr(
"Renaming Qube..."), "", 0, 0)
self.progress.setCancelButton(None)
self.progress.setModal(True)
self.thread_closes = True
self.progress.show()
thread.start()
def remove_vm(self):
dependencies = admin_utils.vm_dependencies(self.vm.app, self.vm)
if dependencies:
list_text = utils.format_dependencies_list(dependencies)
QtGui.QMessageBox.warning(
self,
self.tr("Qube cannot be removed!"),
self.tr("This qube cannot be removed. It is used as:"
" <br> {} <small>If you want to remove this qube, "
"you should remove or change settings of each qube "
"or setting that uses it.</small>").format(list_text))
return
answer, ok = QtGui.QInputDialog.getText(
self,
self.tr('Delete qube'),
self.tr('Are you absolutely sure you want to delete this qube? '
'<br/> All qube settings and data will be irrevocably'
' deleted. <br/> If you are sure, please enter this '
'qube\'s name below.'))
if ok and answer == self.vm.name:
thread = common_threads.RemoveVMThread(self.vm)
thread.start()
self.done(0)
elif ok:
QtGui.QMessageBox.warning(
self,
self.tr("Removal cancelled"),
self.tr("The qube will not be removed."))
def clone_vm(self):
cloned_vm_name, ok = QtGui.QInputDialog.getText(
self,
self.tr('Clone qube'),
self.tr('Name for the cloned qube:'))
if ok:
thread = common_threads.CloneVMThread(self.vm, cloned_vm_name)
thread.finished.connect(self.clear_threads)
self.threads_list.append(thread)
self.progress = QtGui.QProgressDialog(
self.tr(
"Cloning Qube..."), "", 0, 0)
self.progress.setCancelButton(None)
self.progress.setModal(True)
self.thread_closes = True
self.progress.show()
thread.start()
######### advanced tab
def __init_advanced_tab__(self):
# mem/cpu
# qubes_memory = QubesHost().memory_total/1024
self.init_mem.setValue(int(self.vm.memory))
# self.init_mem.setMaximum(qubes_memory)
self.max_mem_size.setValue(int(self.vm.maxmem))
# self.max_mem_size.setMaximum(qubes_memory)
self.vcpus.setMinimum(1)
# self.vcpus.setMaximum(QubesHost().no_cpus)
self.vcpus.setValue(int(self.vm.vcpus))
self.include_in_balancing.setEnabled(True)
self.include_in_balancing.setChecked(
bool(self.vm.features.get('service.meminfo-writer', True)))
self.max_mem_size.setEnabled(self.include_in_balancing.isChecked())
# in case VM is HVM
if hasattr(self.vm, "kernel"):
self.kernel_groupbox.setVisible(True)
self.kernel_list, self.kernel_idx = utils.prepare_kernel_choice(
self.kernel, self.vm, 'kernel',
None,
allow_default=True, allow_none=True)
self.kernel.currentIndexChanged.connect(self.kernel_changed)
self.kernel_opts.setText(getattr(self.vm, 'kernelopts', '-'))
else:
self.kernel_groupbox.setVisible(False)
self.other_groupbox.setVisible(False)
if not hasattr(self.vm, 'default_dispvm'):
self.other_groupbox.setVisible(False)
else:
self.other_groupbox.setVisible(True)
self.default_dispvm_list, self.default_dispvm_idx = \
utils.prepare_vm_choice(
self.default_dispvm,
self.vm, 'default_dispvm',
None,
(lambda vm: getattr(vm, 'template_for_dispvms', False)),
allow_default=True, allow_none=True)
self.update_virt_mode_list()
def __apply_advanced_tab__(self):
msg = []
# mem/cpu
try:
if self.init_mem.value() != int(self.vm.memory):
self.vm.memory = self.init_mem.value()
if self.max_mem_size.value() != int(self.vm.maxmem):
self.vm.maxmem = self.max_mem_size.value()
if self.vcpus.value() != int(self.vm.vcpus):
self.vm.vcpus = self.vcpus.value()
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
# include_in_memory_balancing applied in services tab
# in case VM is not Linux
if hasattr(self.vm, "kernel") and self.kernel_groupbox.isVisible():
try:
if self.kernel.currentIndex() != self.kernel_idx:
self.vm.kernel = self.kernel_list[
self.kernel.currentIndex()]
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
# vm default_dispvm changed
try:
if self.default_dispvm.currentIndex() != self.default_dispvm_idx:
self.vm.default_dispvm = \
self.default_dispvm_list[self.default_dispvm.currentIndex()]
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
try:
if self.virt_mode.currentIndex() != self.virt_mode_idx:
self.vm.virt_mode = self.selected_virt_mode()
except Exception as ex: # pylint: disable=broad-except
msg.append(str(ex))
return msg
def boot_from_cdrom_button_pressed(self):
self.save_and_apply()
subprocess.check_call(['qubes-vm-boot-from-device', self.vm.name])
def selected_virt_mode(self):
return self.virt_mode_list[self.virt_mode.currentIndex()]
def virt_mode_changed(self, new_idx): # pylint: disable=unused-argument
self.update_pv_warning()
self.update_pvh_dont_support_devs()
self.update_pvh_kernel_ver_warning()
def update_pv_warning(self):
if self.selected_virt_mode() == 'PV':
self.pv_warning.show()
else:
self.pv_warning.hide()
def update_virt_mode_list(self):
choices = ['HVM', 'PV']
if hasattr(self, 'dev_list'):
devs_attached = self.dev_list.selected_list.count() != 0
else:
devs_attached = bool(list(self.vm.devices['pci'].persistent()))
if devs_attached:
self.pvh_mode_hidden.show()
else:
choices.insert(0, 'PVH')
self.pvh_mode_hidden.hide()
if hasattr(self, 'virt_mode_list'):
old_mode = self.selected_virt_mode()
self.virt_mode.currentIndexChanged.disconnect()
else:
old_mode = None
self.virt_mode.clear()
# pylint: disable=attribute-defined-outside-init
self.virt_mode_list, self.virt_mode_idx = utils.prepare_choice(
self.virt_mode, self.vm, 'virt_mode', choices, None,
allow_default=True, transform=(lambda x: str(x).upper()))
if old_mode is not None:
self.virt_mode.setCurrentIndex(self.virt_mode_list.index(old_mode))
self.virt_mode.currentIndexChanged.connect(self.virt_mode_changed)
self.update_pv_warning()
self.update_pvh_kernel_ver_warning()
def update_pvh_kernel_ver_warning(self):
if self.selected_virt_mode() != 'PVH':
self.pvh_kernel_version_warning.hide()
return
kernel = self.kernel_list[self.kernel.currentIndex()]
if self.pvh_kernel_version_ok(kernel):
self.pvh_kernel_version_warning.hide()
else:
self.pvh_kernel_version_warning.show()
def kernel_changed(self):
self.update_pvh_kernel_ver_warning()
def pvh_kernel_version_ok(self, name):
# There are nearly no limitaions on kernel names (only file system and
# general qvm-prefs rules). So we just look if we see something which
# looks like a version number. It's just a warning to help the user
# anyways.
if name is None:
return False
if name is qubesadmin.DEFAULT:
name = self.vm.app.default_kernel
m = re.search(r'(\d+)\.(\d+)', name)
if m is None:
return False
return (int(m.group(1)), int(m.group(2))) >= (4, 11)
######## devices tab
def __init_devices_tab__(self):
self.dev_list = multiselectwidget.MultiSelectWidget(self)
self.dev_list.add_all_button.setVisible(False)
self.devices_layout.addWidget(self.dev_list)
devs = []
lspci = subprocess.check_output(['/usr/sbin/lspci']).decode()
for dev in lspci.splitlines():
devs.append((dev.rstrip(), dev.split(' ')[0]))
# pylint: disable=too-few-public-methods
class DevListWidgetItem(QtGui.QListWidgetItem):
def __init__(self, name, ident, parent=None):
super(DevListWidgetItem, self).__init__(name, parent)
self.ident = ident
persistent = [ass.ident.replace('_', ':')
for ass in self.vm.devices['pci'].persistent()]
for name, ident in devs:
if ident in persistent:
self.dev_list.selected_list.addItem(
DevListWidgetItem(name, ident))
else:
self.dev_list.available_list.addItem(
DevListWidgetItem(name, ident))
if self.dev_list.selected_list.count() > 0\
and self.include_in_balancing.isChecked():
self.dmm_warning_adv.show()
self.dmm_warning_dev.show()
else:
self.dmm_warning_adv.hide()
self.dmm_warning_dev.hide()
if self.vm.is_running():
self.dev_list.setEnabled(False)
self.turn_off_vm_to_modify_devs.setVisible(True)
self.no_strict_reset_button.setEnabled(False)
else:
self.dev_list.setEnabled(True)
self.turn_off_vm_to_modify_devs.setVisible(False)
self.update_pvh_dont_support_devs()
def __apply_devices_tab__(self):
msg = []
try:
old = [ass.ident.replace('_', ':')
for ass in self.vm.devices['pci'].persistent()]
new = [self.dev_list.selected_list.item(i).ident
for i in range(self.dev_list.selected_list.count())]
for ident in new:
if ident not in old:
options = {}
if ident in self.new_strict_reset_list:
options['no-strict-reset'] = True
ass = devices.DeviceAssignment(
self.vm.app.domains['dom0'],
ident.replace(':', '_'),
persistent=True, options=options)
self.vm.devices['pci'].attach(ass)
elif (ident in self.current_strict_reset_list) != \
(ident in self.new_strict_reset_list):
current_assignment = None
for assignment in self.vm.devices['pci'].assignments(
persistent=True):
if assignment.ident.replace("_", ":") == ident:
current_assignment = assignment
break
if current_assignment is None:
# it would be very weird if this happened
msg.append(self.tr("Error re-assigning device ") +
ident)
continue
self.vm.devices['pci'].detach(current_assignment)
current_assignment.options['no-strict-reset'] = \
(ident in self.new_strict_reset_list)
self.vm.devices['pci'].attach(current_assignment)
for ass in self.vm.devices['pci'].assignments(persistent=True):
if ass.ident.replace('_', ':') not in new:
self.vm.devices['pci'].detach(ass)
except qubesadmin.exc.QubesException as ex:
if utils.is_debug():
traceback.print_exc()
msg.append(str(ex))
return msg
def include_in_balancing_changed(self, state):
for i in range(self.services_list.count()):
item = self.services_list.item(i)
if str(item.text()) == 'meminfo-writer':
item.setCheckState(state)
break
if self.dev_list.selected_list.count() > 0:
if state == ui_settingsdlg.QtCore.Qt.Checked:
self.dmm_warning_adv.show()
self.dmm_warning_dev.show()
else:
self.dmm_warning_adv.hide()
self.dmm_warning_dev.hide()
self.max_mem_size.setEnabled(self.include_in_balancing.isChecked())
def devices_selection_changed(self):
if self.include_in_balancing.isChecked():
if self.dev_list.selected_list.count() > 0:
self.dmm_warning_adv.show()
self.dmm_warning_dev.show()
else:
self.dmm_warning_adv.hide()
self.dmm_warning_dev.hide()
self.update_virt_mode_list()
def update_pvh_dont_support_devs(self):
if self.selected_virt_mode() == 'PVH':
self.dev_list.setEnabled(False)
self.pvh_dont_support_devs.setVisible(True)
else:
self.dev_list.setEnabled(True)
self.pvh_dont_support_devs.setVisible(False)
def define_strict_reset_devices(self):
for assignment in self.vm.devices['pci'].assignments():
if assignment.options.get('no-strict-reset', False):
self.current_strict_reset_list.append(
assignment.ident.replace('_', ':'))
self.new_strict_reset_list = self.current_strict_reset_list.copy()
def strict_reset_button_pressed(self):
device_list_window = device_list.PCIDeviceListWindow(
self.vm, self.qapp, self.dev_list, self.new_strict_reset_list, self)
device_list_window.exec()
######## applications tab
def refresh_apps_button_pressed(self):
self.refresh_apps_button.setEnabled(False)
self.refresh_apps_button.setText(self.tr('Refresh in progress...'))
thread = RefreshAppsVMThread(self.vm)
thread.finished.connect(self.clear_threads)
thread.finished.connect(self.refresh_finished)
self.threads_list.append(thread)
thread.start()
def refresh_finished(self):
self.app_list_manager = AppmenuSelectManager(self.vm, self.app_list)
self.refresh_apps_button.setEnabled(True)
self.refresh_apps_button.setText(self.tr('Refresh Applications'))
######## services tab
def __init_services_tab__(self):
self.new_srv_dict = {}
for feature in self.vm.features:
if not feature.startswith('service.'):
continue
service = feature[len('service.'):]
item = QtGui.QListWidgetItem(service)
item.setCheckState(ui_settingsdlg.QtCore.Qt.Checked
if self.vm.features[feature]
else ui_settingsdlg.QtCore.Qt.Unchecked)
self.services_list.addItem(item)
self.new_srv_dict[service] = self.vm.features[feature]
self.connect(
self.services_list,
QtCore.SIGNAL("itemClicked(QListWidgetItem *)"),
self.services_item_clicked)
# add suggested services
self.service_line_edit.addItem('clocksync')
self.service_line_edit.addItem('crond')
self.service_line_edit.addItem('cups')
self.service_line_edit.addItem('disable-default-route')
self.service_line_edit.addItem('disable-dns-server')
self.service_line_edit.addItem('meminfo-writer')
self.service_line_edit.addItem('network-manager')
self.service_line_edit.addItem('qubes-firewall')
self.service_line_edit.addItem('qubes-network')
self.service_line_edit.addItem('qubes-update-check')
self.service_line_edit.addItem('qubes-updates-proxy')
self.service_line_edit.addItem('qubes-yum-proxy')
self.service_line_edit.addItem('updates-proxy-setup')
self.service_line_edit.addItem('yum-proxy-setup')
self.service_line_edit.setEditText("")
def __add_service__(self):
srv = str(self.service_line_edit.currentText()).strip()
if srv != "":
if srv in self.new_srv_dict:
QtGui.QMessageBox.information(
self,
'',
self.tr('Service already on the list!'))
else:
item = QtGui.QListWidgetItem(srv)
item.setCheckState(ui_settingsdlg.QtCore.Qt.Checked)
self.services_list.addItem(item)
self.new_srv_dict[srv] = True
def __remove_service__(self):
item = self.services_list.currentItem()
if not item:
return
if str(item.text()) == 'meminfo-writer':
QtGui.QMessageBox.information(
self,
self.tr('Service can not be removed'),
self.tr('Service meminfo-writer can not '
'be removed from the list.'))
return
row = self.services_list.currentRow()
item = self.services_list.takeItem(row)
del self.new_srv_dict[str(item.text())]
def services_item_clicked(self, item):
if str(item.text()) == 'meminfo-writer':
if item.checkState() == ui_settingsdlg.QtCore.Qt.Checked:
if not self.include_in_balancing.isChecked():
self.include_in_balancing.setChecked(True)
elif item.checkState() == ui_settingsdlg.QtCore.Qt.Unchecked:
if self.include_in_balancing.isChecked():
self.include_in_balancing.setChecked(False)
def __apply_services_tab__(self):
msg = []
try:
for i in range(self.services_list.count()):
item = self.services_list.item(i)
self.new_srv_dict[str(item.text())] = \
(item.checkState() == ui_settingsdlg.QtCore.Qt.Checked)
balancing_was_checked = self.vm.features.get(
'service.meminfo-writer', True)
balancing_is_checked = self.include_in_balancing.isChecked()
meminfo_writer_checked = self.new_srv_dict.get(
'meminfo-writer', True)
if balancing_is_checked != meminfo_writer_checked:
if balancing_is_checked != balancing_was_checked:
self.new_srv_dict['meminfo-writer'] = balancing_is_checked
for service, v in self.new_srv_dict.items():
feature = 'service.' + service
if v != self.vm.features.get(feature, object()):
self.vm.features[feature] = v
for feature in self.vm.features:
if not feature.startswith('service.'):
continue
service = feature[len('service.'):]
if service not in self.new_srv_dict:
del self.vm.features[feature]
except qubesadmin.exc.QubesException as ex:
msg.append(str(ex))
return msg
######### firewall tab related
def set_fw_model(self, model):
self.fw_model = model
self.rulesTreeView.setModel(model)
self.rulesTreeView.header().setResizeMode(
QtGui.QHeaderView.ResizeToContents)
self.rulesTreeView.header().setResizeMode(0, QtGui.QHeaderView.Stretch)
self.set_allow(model.allow)
if model.temp_full_access_expire_time:
self.temp_full_access.setChecked(True)
self.temp_full_access_time.setValue(
(model.temp_full_access_expire_time -
int(firewall.datetime.datetime.now().strftime("%s"))) / 60)
def disable_all_fw_conf(self):
self.firewall_modified_outside_label.setVisible(True)
self.policy_allow_radio_button.setEnabled(False)
self.policy_deny_radio_button.setEnabled(False)
self.rulesTreeView.setEnabled(False)
self.new_rule_button.setEnabled(False)
self.edit_rule_button.setEnabled(False)
self.delete_rule_button.setEnabled(False)
self.firewal_rules_label.setEnabled(False)
self.tempFullAccessWidget.setEnabled(False)
def set_allow(self, allow):
self.policy_allow_radio_button.setChecked(allow)
self.policy_deny_radio_button.setChecked(not allow)
self.policy_changed()
def policy_changed(self):
self.rulesTreeView.setEnabled(
self.policy_deny_radio_button.isChecked())
self.new_rule_button.setEnabled(
self.policy_deny_radio_button.isChecked())
self.edit_rule_button.setEnabled(
self.policy_deny_radio_button.isChecked())
self.delete_rule_button.setEnabled(
self.policy_deny_radio_button.isChecked())
self.firewal_rules_label.setEnabled(
self.policy_deny_radio_button.isChecked())
self.tempFullAccessWidget.setEnabled(
self.policy_deny_radio_button.isChecked())
def new_rule_button_pressed(self):
dialog = firewall.NewFwRuleDlg()
self.fw_model.run_rule_dialog(dialog)
def edit_rule_button_pressed(self):
selected = self.rulesTreeView.selectedIndexes()
if selected:
dialog = firewall.NewFwRuleDlg()
dialog.set_ok_state(True)
row = self.rulesTreeView.selectedIndexes().pop().row()
self.fw_model.populate_edit_dialog(dialog, row)
self.fw_model.run_rule_dialog(dialog, row)
def delete_rule_button_pressed(self):
for i in {index.row() for index
in self.rulesTreeView.selectedIndexes()}:
self.fw_model.remove_child(i)
# Bases on the original code by:
# Copyright (c) 2002-2007 Pascal Varet <p.varet@gmail.com>
def handle_exception(exc_type, exc_value, exc_traceback):
filename, line, dummy, dummy = traceback.extract_tb(exc_traceback).pop()
filename = os.path.basename(filename)
error = "%s: %s" % (exc_type.__name__, exc_value)
strace = ""
stacktrace = traceback.extract_tb(exc_traceback)
while stacktrace:
(filename, line, func, txt) = stacktrace.pop()
strace += "----\n"
strace += "line: %s\n" % txt
strace += "func: %s\n" % func
strace += "line no.: %d\n" % line
strace += "file: %s\n" % filename
msg_box = QtGui.QMessageBox()
msg_box.setDetailedText(strace)
msg_box.setIcon(QtGui.QMessageBox.Critical)
msg_box.setWindowTitle("Houston, we have a problem...")
msg_box.setText("Whoops. A critical error has occured. "
"This is most likely a bug in Qubes Manager.<br><br>"
"<b><i>%s</i></b>" % error +
"<br/>at line <b>%d</b><br/>of file %s.<br/><br/>"
% (line, filename))
msg_box.exec_()
parser = QubesArgumentParser(vmname_nargs=1)
parser.add_argument('--tab', metavar='TAB',
action='store',
choices=VMSettingsWindow.tabs_indices.keys())
parser.set_defaults(
tab='basic',
)
def main(args=None):
args = parser.parse_args(args)
vm = args.domains.pop()
qapp = QtGui.QApplication(sys.argv)
qapp.setOrganizationName('Invisible Things Lab')
qapp.setOrganizationDomain("https://www.qubes-os.org/")
qapp.setApplicationName("Qube Settings")
if not utils.is_debug():
sys.excepthook = handle_exception
settings_window = VMSettingsWindow(vm, qapp, args.tab)
settings_window.show()
qapp.exec_()
qapp.exit()
if __name__ == "__main__":
main()
# vim:sw=4:et: