#!/usr/bin/python2 # # The Qubes OS Project, http://www.qubes-os.org # # Copyright (C) 2012 Agnieszka Kostrzewa # Copyright (C) 2012 Marek Marczykowski # # 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 sys import os from PyQt4.QtCore import * from PyQt4.QtGui import * from qubes.qubes import QubesVmCollection from qubes.qubes import QubesException from qubes.qubes import QubesDaemonPidfile from qubes.qubes import QubesHost from qubes.qubes import system_path import qubesmanager.resources_rc from pyinotify import WatchManager, Notifier, ThreadedNotifier, EventsCodes, ProcessEvent import time import threading from operator import itemgetter from ui_globalsettingsdlg import * from ConfigParser import SafeConfigParser from qubes.qubesutils import parse_size from qubes.qubesutils import updates_dom0_toggle,updates_vms_toggle,\ updates_dom0_status,updates_vms_status from qubes import qmemman_algo dont_keep_dvm_in_memory_path = '/var/lib/qubes/dvmdata/dont-use-shm' qmemman_config_path = '/etc/qubes/qmemman.conf' class GlobalSettingsWindow(Ui_GlobalSettings, QDialog): def __init__(self, app, qvm_collection, parent=None): super(GlobalSettingsWindow, self).__init__(parent) self.app = app self.qvm_collection = qvm_collection self.setupUi(self) self.connect(self.buttonBox, SIGNAL("accepted()"), self.save_and_apply) self.connect(self.buttonBox, SIGNAL("rejected()"), self.reject) self.__init_system_defaults__() self.__init_kernel_defaults__() self.__init_mem_defaults__() self.__init_updates__() def __init_system_defaults__(self): #updatevm and clockvm all_vms = [vm for vm in self.qvm_collection.values() if not vm.internal] self.updatevm_idx = -1 current_update_vm = self.qvm_collection.get_updatevm_vm() for (i, vm) in enumerate(all_vms): text = vm.name if vm is current_update_vm: self.updatevm_idx = i text += " (current)" self.update_vm_combo.insertItem(i, text) self.update_vm_combo.insertItem(len(all_vms), "none") if current_update_vm is None: self.updatevm_idx = len(all_vms) self.update_vm_combo.setCurrentIndex(self.updatevm_idx) #clockvm self.clockvm_idx = -1 current_clock_vm = self.qvm_collection.get_clockvm_vm() for (i, vm) in enumerate(all_vms): text = vm.name if vm is current_clock_vm: self.clockvm_idx = i text += " (current)" self.clock_vm_combo.insertItem(i, text) self.clock_vm_combo.insertItem(len(all_vms), "none") if current_clock_vm is None: self.clockvm_idx = len(all_vms) self.clock_vm_combo.setCurrentIndex(self.clockvm_idx) #default netvm netvms = [vm for vm in all_vms if vm.is_netvm() and vm.qid != 0] self.netvm_idx = -1 current_netvm = self.qvm_collection.get_default_netvm() for (i, vm) in enumerate(netvms): text = vm.name if vm is current_netvm: self.netvm_idx = i text += " (current)" self.default_netvm_combo.insertItem(i, text) if current_netvm is not None: self.default_netvm_combo.setCurrentIndex(self.netvm_idx) #default template templates = [vm for vm in all_vms if vm.is_template()] self.template_idx = -1 current_template = self.qvm_collection.get_default_template() for (i, vm) in enumerate(templates): text = vm.name if vm is current_template: self.template_idx = i text += " (current)" self.default_template_combo.insertItem(i, text) if current_template is not None: self.default_template_combo.setCurrentIndex(self.template_idx) def __apply_system_defaults__(self): #upatevm if self.update_vm_combo.currentIndex() != self.updatevm_idx: updatevm_name = str(self.update_vm_combo.currentText()) updatevm_name = updatevm_name.split(' ')[0] updatevm = self.qvm_collection.get_vm_by_name(updatevm_name) self.qvm_collection.set_updatevm_vm(updatevm) self.anything_changed = True #clockvm if self.clock_vm_combo.currentIndex() != self.clockvm_idx: clockvm_name = str(self.clock_vm_combo.currentText()) clockvm_name = clockvm_name.split(' ')[0] clockvm = self.qvm_collection.get_vm_by_name(clockvm_name) self.qvm_collection.set_clockvm_vm(clockvm) self.anything_changed = True #default netvm if self.default_netvm_combo.currentIndex() != self.netvm_idx: name = str(self.default_netvm_combo.currentText()) name = name.split(' ')[0] vm = self.qvm_collection.get_vm_by_name(name) self.qvm_collection.set_default_netvm(vm) self.anything_changed = True #default template if self.default_template_combo.currentIndex() != self.template_idx: name = str(self.default_template_combo.currentText()) name = name.split(' ')[0] vm = self.qvm_collection.get_vm_by_name(name) self.qvm_collection.set_default_template(vm) self.anything_changed = True def __init_kernel_defaults__(self): kernel_list = [] for k in os.listdir(system_path["qubes_kernels_base_dir"]): kernel_list.append(k) self.kernel_idx = 0 for (i, k) in enumerate(kernel_list): text = k if k == self.qvm_collection.get_default_kernel(): text += " (current)" self.kernel_idx = i self.default_kernel_combo.insertItem(i,text) self.default_kernel_combo.setCurrentIndex(self.kernel_idx) def __apply_kernel_defaults__(self): if self.default_kernel_combo.currentIndex() != self.kernel_idx: kernel = str(self.default_kernel_combo.currentText()) kernel = kernel.split(' ')[0] self.qvm_collection.set_default_kernel(kernel) self.anything_changed = True def __init_mem_defaults__(self): #qmemman settings self.qmemman_config = SafeConfigParser() self.vm_min_mem_val = str(qmemman_algo.MIN_PREFMEM) self.dom0_mem_boost_val = str(qmemman_algo.DOM0_MEM_BOOST) self.qmemman_config.read(qmemman_config_path) if self.qmemman_config.has_section('global'): self.vm_min_mem_val = self.qmemman_config.get('global', 'vm-min-mem') self.dom0_mem_boost_val = self.qmemman_config.get('global', 'dom0-mem-boost') self.vm_min_mem_val = parse_size(self.vm_min_mem_val) self.dom0_mem_boost_val = parse_size(self.dom0_mem_boost_val) self.min_vm_mem.setValue(self.vm_min_mem_val/1024/1024) self.dom0_mem_boost.setValue(self.dom0_mem_boost_val/1024/1024) #keep dispvm in memory exists = os.path.exists(dont_keep_dvm_in_memory_path) self.dispvm_in_memory.setChecked( not exists) def __apply_mem_defaults__(self): #qmemman settings current_min_vm_mem = self.min_vm_mem.value() current_dom0_mem_boost = self.dom0_mem_boost.value() if current_min_vm_mem*1024*1024 != self.vm_min_mem_val or current_dom0_mem_boost*1024*1024 != self.dom0_mem_boost_val: current_min_vm_mem = str(current_min_vm_mem)+'M' current_dom0_mem_boost = str(current_dom0_mem_boost)+'M' if not self.qmemman_config.has_section('global'): #add the whole section self.qmemman_config.add_section('global') self.qmemman_config.set('global', 'vm-min-mem', current_min_vm_mem) self.qmemman_config.set('global', 'dom0-mem-boost', current_dom0_mem_boost) self.qmemman_config.set('global', 'cache-margin-factor', str(qmemman_algo.CACHE_FACTOR)) qmemman_config_file = open(qmemman_config_path, 'a') self.qmemman_config.write(qmemman_config_file) qmemman_config_file.close() else: #If there already is a 'global' section, we don't use SafeConfigParser.write() - it would get rid of all the comments... lines_to_add = {} lines_to_add['vm-min-mem'] = "vm-min-mem = " + current_min_vm_mem + "\n" lines_to_add['dom0-mem-boost'] = "dom0-mem-boost = " + current_dom0_mem_boost +"\n" config_lines = [] qmemman_config_file = open(qmemman_config_path, 'r') for l in qmemman_config_file: if l.strip().startswith('vm-min-mem'): config_lines.append(lines_to_add['vm-min-mem']) del lines_to_add['vm-min-mem'] elif l.strip().startswith('dom0-mem-boost'): config_lines.append(lines_to_add['dom0-mem-boost']) del lines_to_add['dom0-mem-boost'] else: config_lines.append(l) qmemman_config_file.close() for l in lines_to_add: config_lines.append(l) qmemman_config_file = open(qmemman_config_path, 'w') qmemman_config_file.writelines(config_lines) qmemman_config_file.close() self.anything_changed = True #keep dispvm in memory was_checked = not os.path.exists(dont_keep_dvm_in_memory_path) if was_checked != self.dispvm_in_memory.isChecked(): if was_checked: #touch file open(dont_keep_dvm_in_memory_path, 'w').close() else: #rm file os.remove(dont_keep_dvm_in_memory_path) self.anything_changed = True def __init_updates__(self): self.updates_val = False self.updates_dom0_val = updates_dom0_status(self.qvm_collection) self.updates_dom0.setChecked(self.updates_dom0_val) updates_vms = updates_vms_status(self.qvm_collection) if updates_vms is None: self.updates_vm.setCheckState(Qt.PartiallyChecked) else: self.updates_vm.setCheckState(updates_vms) def __apply_updates__(self): if self.updates_dom0.isChecked() != self.updates_dom0_val: updates_dom0_toggle(self.qvm_collection, self.updates_dom0.isChecked()) if self.updates_vm.checkState() != Qt.PartiallyChecked: self.anything_changed = True updates_vms_toggle(self.qvm_collection, self.updates_vm .isChecked()) def reject(self): self.done(0) def save_and_apply(self): self.qvm_collection.lock_db_for_writing() self.anything_changed = False self.__apply_system_defaults__() self.__apply_kernel_defaults__() self.__apply_mem_defaults__() self.__apply_updates__() if self.anything_changed == True: self.qvm_collection.save() self.qvm_collection.unlock_db() # Bases on the original code by: # Copyright (c) 2002-2007 Pascal Varet def handle_exception( exc_type, exc_value, exc_traceback ): import sys import os.path import traceback filename, line, dummy, dummy = traceback.extract_tb( exc_traceback ).pop() filename = os.path.basename( filename ) error = "%s: %s" % ( exc_type.__name__, exc_value ) QMessageBox.critical(None, "Houston, we have a problem...", "Whoops. A critical error has occured. This is most likely a bug " "in Qubes Global Settings application.

" "%s" % error + "at line %d of file %s.

" % ( line, filename )) def main(): global qubes_host qubes_host = QubesHost() global app app = QApplication(sys.argv) app.setOrganizationName("The Qubes Project") app.setOrganizationDomain("http://qubes-os.org") app.setApplicationName("Qubes Global Settings") sys.excepthook = handle_exception qvm_collection = QubesVmCollection() qvm_collection.lock_db_for_reading() qvm_collection.load() qvm_collection.unlock_db() global global_window global_window = GlobalSettingsWindow() global_window.show() app.exec_() app.exit() if __name__ == "__main__": main()