#!/usr/bin/python2.6 # # The Qubes OS Project, http://www.qubes-os.org # # Copyright (C) 2010 Joanna Rutkowska # # 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 from PyQt4.QtCore import * from PyQt4.QtGui import * from qubes.qubes import QubesVmCollection from qubes.qubes import QubesException from qubes.qubes import qubes_store_filename from qubes.qubes import QubesVmLabels from qubes.qubes import dry_run from qubes.qubes import qubes_guid_path from qubes.qubes import QubesDaemonPidfile from qubes.qubes import QubesHost import qubesmanager.qrc_resources import ui_newappvmdlg from firewall import EditFwRulesDlg, QubesFirewallRulesModel from pyinotify import WatchManager, Notifier, ThreadedNotifier, EventsCodes, ProcessEvent import subprocess import time import threading qubes_guid_path = '/usr/bin/qubes_guid' class QubesConfigFileWatcher(ProcessEvent): def __init__ (self, update_func): self.update_func = update_func pass def process_IN_CLOSE_WRITE (self, event): self.update_func() class VmStatusIcon(QLabel): def __init__(self, vm, parent=None): super (VmStatusIcon, self).__init__(parent) self.vm = vm (icon_pixmap, icon_sz) = self.set_vm_icon(self.vm) self.setPixmap (icon_pixmap) self.setFixedSize (icon_sz) self.previous_power_state = vm.is_running() def update(self): if self.previous_power_state != self.vm.is_running(): (icon_pixmap, icon_sz) = self.set_vm_icon(self.vm) self.setPixmap (icon_pixmap) self.setFixedSize (icon_sz) self.previous_power_state = self.vm.is_running() def set_vm_icon(self, vm): if vm.qid == 0: icon = QIcon (":/dom0.png") elif vm.is_appvm(): icon = QIcon (vm.label.icon_path) elif vm.is_template(): icon = QIcon (":/templatevm.png") elif vm.is_netvm(): icon = QIcon (":/netvm.png") else: icon = QIcon() icon_sz = QSize (VmManagerWindow.row_height * 0.8, VmManagerWindow.row_height * 0.8) if vm.is_running(): icon_pixmap = icon.pixmap(icon_sz) else: icon_pixmap = icon.pixmap(icon_sz, QIcon.Disabled) return (icon_pixmap, icon_sz) class VmInfoWidget (QWidget): def __init__(self, vm, parent = None): super (VmInfoWidget, self).__init__(parent) layout0 = QHBoxLayout() label_name = QLabel (vm.name) self.vm_running = vm.is_running() layout0.addWidget(label_name, alignment=Qt.AlignLeft) layout1 = QHBoxLayout() if vm.is_appvm() or vm.is_disposablevm(): label_tmpl = QLabel ("" + vm.template_vm.name + "") elif vm.is_template(): label_tmpl = QLabel ("TemplateVM") elif vm.qid == 0: label_tmpl = QLabel ("AdminVM") elif vm.is_netvm(): label_tmpl = QLabel ("NetVM") else: label_tmpl = QLabel ("") label_icon_networked = self.set_icon(":/networking.png", vm.is_networked()) layout1.addWidget(label_icon_networked, alignment=Qt.AlignLeft) if vm.is_updateable(): label_icon_updtbl = self.set_icon(":/updateable.png", True) layout1.addWidget(label_icon_updtbl, alignment=Qt.AlignLeft) layout1.addWidget(label_tmpl, alignment=Qt.AlignLeft) layout1.addStretch() layout2 = QVBoxLayout () layout2.addLayout(layout0) layout2.addLayout(layout1) layout3 = QHBoxLayout () self.vm_icon = VmStatusIcon(vm) layout3.addWidget(self.vm_icon) layout3.addSpacing (10) layout3.addLayout(layout2) self.setLayout(layout3) def set_icon(self, icon_path, enabled = True): label_icon = QLabel() icon = QIcon (icon_path) icon_sz = QSize (VmManagerWindow.row_height * 0.3, VmManagerWindow.row_height * 0.3) icon_pixmap = icon.pixmap(icon_sz, QIcon.Disabled if not enabled else QIcon.Normal) label_icon.setPixmap (icon_pixmap) label_icon.setFixedSize (icon_sz) return label_icon def update_vm_state (self, vm): self.vm_icon.update() class VmUsageWidget (QWidget): def __init__(self, vm, parent = None): super (VmUsageWidget, self).__init__(parent) self.cpu_widget = QProgressBar() self.mem_widget = QProgressBar() self.cpu_widget.setMinimum(0) self.cpu_widget.setMaximum(100) self.mem_widget.setMinimum(0) self.mem_widget.setMaximum(100) self.cpu_label = QLabel("CPU") self.mem_label = QLabel("MEM") layout_cpu = QHBoxLayout() layout_cpu.addWidget(self.cpu_label) layout_cpu.addWidget(self.cpu_widget) layout_mem = QHBoxLayout() layout_mem.addWidget(self.mem_label) layout_mem.addWidget(self.mem_widget) layout = QVBoxLayout() layout.addLayout(layout_cpu) layout.addLayout(layout_mem) self.setLayout(layout) self.update_load(vm) def update_load(self, vm): self.cpu_load = vm.get_cpu_total_load() if vm.is_running() else 0 assert self.cpu_load >= 0 and self.cpu_load <= 100, "load = {0}".format(self.load) self.mem_load = vm.get_mem()*100/qubes_host.memory_total if vm.is_running() else 0 assert self.mem_load >= 0 and self.mem_load <= 100, "mem = {0}".format(self.load) self.cpu_widget.setValue(self.cpu_load) self.mem_widget.setValue(self.mem_load) def resizeEvent(self, Event = None): label_width = max(self.mem_label.width(), self.cpu_label.width()) self.mem_label.setMinimumWidth(label_width) self.cpu_label.setMinimumWidth(label_width) super (VmUsageWidget, self).resizeEvent(Event) class LoadChartWidget (QWidget): def __init__(self, vm, parent = None): super (LoadChartWidget, self).__init__(parent) self.load = vm.get_cpu_total_load() if vm.is_running() else 0 assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load) self.load_history = [self.load] def update_load (self, vm): self.load = vm.get_cpu_total_load() if vm.is_running() else 0 assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load) self.load_history.append (self.load) self.repaint() def paintEvent (self, Event = None): p = QPainter (self) dx = 4 W = self.width() H = self.height() - 5 N = len(self.load_history) if N > W/dx: tail = N - W/dx N = W/dx self.load_history = self.load_history[tail:] assert len(self.load_history) == N for i in range (0, N-1): val = self.load_history[N- i - 1] hue = 200 sat = 70 + val*(255-70)/100 color = QColor.fromHsv (hue, sat, 255) pen = QPen (color) pen.setWidth(dx-1) p.setPen(pen) if val > 0: p.drawLine (W - i*dx - dx, H , W - i*dx - dx, H - (H - 5) * val/100) class MemChartWidget (QWidget): def __init__(self, vm, parent = None): super (MemChartWidget, self).__init__(parent) self.load = vm.get_mem()*100/qubes_host.memory_total if vm.is_running() else 0 assert self.load >= 0 and self.load <= 100, "mem = {0}".format(self.load) self.load_history = [self.load] def update_load (self, vm): self.load = vm.get_mem()*100/qubes_host.memory_total if vm.is_running() else 0 assert self.load >= 0 and self.load <= 100, "load = {0}".format(self.load) self.load_history.append (self.load) self.repaint() def paintEvent (self, Event = None): p = QPainter (self) dx = 4 W = self.width() H = self.height() - 5 N = len(self.load_history) if N > W/dx: tail = N - W/dx N = W/dx self.load_history = self.load_history[tail:] assert len(self.load_history) == N for i in range (0, N-1): val = self.load_history[N- i - 1] hue = 120 sat = 70 + val*(255-70)/100 color = QColor.fromHsv (hue, sat, 255) pen = QPen (color) pen.setWidth(dx-1) p.setPen(pen) if val > 0: p.drawLine (W - i*dx - dx, H , W - i*dx - dx, H - (H - 5) * val/100) class VmRowInTable(object): def __init__(self, vm, row_no, table): self.vm = vm self.row_no = row_no table.setRowHeight (row_no, VmManagerWindow.row_height) self.info_widget = VmInfoWidget(vm) table.setCellWidget(row_no, 0, self.info_widget) self.usage_widget = VmUsageWidget(vm) table.setCellWidget(row_no, 1, self.usage_widget) self.load_widget = LoadChartWidget(vm) table.setCellWidget(row_no, 2, self.load_widget) self.mem_widget = MemChartWidget(vm) table.setCellWidget(row_no, 3, self.mem_widget) def update(self, counter): self.info_widget.update_vm_state(self.vm) if counter % 3 == 0: self.usage_widget.update_load(self.vm) self.load_widget.update_load(self.vm) self.mem_widget.update_load(self.vm) class NewAppVmDlg (QDialog, ui_newappvmdlg.Ui_NewAppVMDlg): def __init__(self, parent = None): super (NewAppVmDlg, self).__init__(parent) self.setupUi(self) vm_shutdown_timeout = 15000 # in msec class VmShutdownMonitor(QObject): def __init__(self, vm): self.vm = vm def check_if_vm_has_shutdown(self): vm = self.vm if not vm.is_running(): return reply = QMessageBox.question(None, "VM Shutdown", "The VM '{0}' hasn't shutdown within the last {1} seconds, do you want to kill it?
".format(vm.name, vm_shutdown_timeout/1000), "Kill it!", "Wait another {0} seconds...".format(vm_shutdown_timeout/1000)) if reply == 0: vm.force_shutdown() else: QTimer.singleShot (vm_shutdown_timeout, self.check_if_vm_has_shutdown) class ThreadMonitor(QObject): def __init__(self): self.success = True self.error_msg = None self.event_finished = threading.Event() def set_error_msg(self, error_msg): self.success = False self.error_msg = error_msg self.set_finished() def is_finished(self): return self.event_finished.is_set() def set_finished(self): self.event_finished.set() class VmManagerWindow(QMainWindow): columns_widths = [200, 200, 150, 150] row_height = 50 max_visible_rows = 14 update_interval = 1000 # in msec show_inactive_vms = True columns_states = { 0: [0, 1], 1: [0, 2, 3] } def __init__(self, parent=None): super(VmManagerWindow, self).__init__(parent) self.action_createvm = self.createAction ("Create AppVM", slot=self.create_appvm, icon="createvm", tip="Create a new AppVM") self.action_removevm = self.createAction ("Remove AppVM", slot=self.remove_appvm, icon="removevm", tip="Remove an existing AppVM (must be stopped first)") self.action_resumevm = self.createAction ("Start/Resume VM", slot=self.resume_vm, icon="resumevm", tip="Start/Resusme a VM") self.action_pausevm = self.createAction ("Pause VM", slot=self.pause_vm, icon="pausevm", tip="Pause a running VM") self.action_shutdownvm = self.createAction ("Shutdown VM", slot=self.shutdown_vm, icon="shutdownvm", tip="Shutdown a running VM") self.action_updatevm = self.createAction ("Commit VM changes", slot=self.update_vm, icon="updateable", tip="Commit changes to template (only for 'updateable' template VMs); VM must be stopped") self.action_showallvms = self.createAction ("Show/Hide Inactive VMs", slot=None, checkable=True, icon="showallvms", tip="Show/Hide Inactive VMs") self.action_showcpuload = self.createAction ("Show/Hide CPU Load chart", slot=self.showcpuload, checkable=True, icon="showcpuload", tip="Show/Hide CPU Load chart") self.action_editfwrules = self.createAction ("Edit VM Firewall rules", slot=self.edit_fw_rules, icon="showcpuload", tip="Edit VM Firewall rules") self.action_removevm.setDisabled(True) self.action_resumevm.setDisabled(True) self.action_pausevm.setDisabled(True) self.action_shutdownvm.setDisabled(True) self.action_updatevm.setDisabled(True) self.toolbar = self.addToolBar ("Toolbar") self.toolbar.setFloatable(False) self.addActions (self.toolbar, (self.action_createvm, self.action_removevm, None, self.action_resumevm, self.action_pausevm, self.action_shutdownvm, self.action_updatevm, self.action_editfwrules, None, self.action_showcpuload, )) self.table = QTableWidget() self.setCentralWidget(self.table) self.table.clear() self.table.setColumnCount(len(VmManagerWindow.columns_widths)) for (col, width) in enumerate (VmManagerWindow.columns_widths): self.table.setColumnWidth (col, width) self.table.horizontalHeader().setResizeMode(QHeaderView.Stretch) self.table.horizontalHeader().setResizeMode(0, QHeaderView.Fixed) self.table.setAlternatingRowColors(True) self.table.verticalHeader().hide() self.table.horizontalHeader().hide() self.table.setGridStyle(Qt.NoPen) self.table.setSortingEnabled(False) self.table.setSelectionBehavior(QTableWidget.SelectRows) self.table.setSelectionMode(QTableWidget.SingleSelection) self.__cpugraphs = self.action_showcpuload.isChecked() self.update_table_columns() self.qvm_collection = QubesVmCollection() self.setWindowTitle("Qubes VM Manager") self.connect(self.table, SIGNAL("itemSelectionChanged()"), self.table_selection_changed) self.fill_table() tbl_W = self.get_minimum_table_width() # TODO: '6' -- WTF?! tbl_H = self.toolbar.height() + 6 + \ self.table.horizontalHeader().height() + 6 n = self.table.rowCount(); if n > VmManagerWindow.max_visible_rows: n = VmManagerWindow.max_visible_rows for i in range (0, n): tbl_H += self.table.rowHeight(i) self.setGeometry(self.x(), self.y(), self.x() + tbl_W, self.y() + tbl_H) self.counter = 0 self.shutdown_monitor = {} QTimer.singleShot (self.update_interval, self.update_table) def addActions(self, target, actions): for action in actions: if action is None: target.addSeparator() else: target.addAction(action) def createAction(self, text, slot=None, shortcut=None, icon=None, tip=None, checkable=False, signal="triggered()"): action = QAction(text, self) if icon is not None: action.setIcon(QIcon(":/%s.png" % icon)) if shortcut is not None: action.setShortcut(shortcut) if tip is not None: action.setToolTip(tip) action.setStatusTip(tip) if slot is not None: self.connect(action, SIGNAL(signal), slot) if checkable: action.setCheckable(True) return action def get_vms_list(self): self.qvm_collection.lock_db_for_reading() self.qvm_collection.load() self.qvm_collection.unlock_db() if self.show_inactive_vms: vms_list = [vm for vm in self.qvm_collection.values()] else: vms_list = [vm for vm in self.qvm_collection.values() if vm.is_running()] no_vms = len (vms_list) vms_to_display = [] # First, the NetVMs... for netvm in vms_list: if netvm.is_netvm(): vms_to_display.append (netvm) # Now, the templates... for tvm in vms_list: if tvm.is_template(): vms_to_display.append (tvm) label_list = QubesVmLabels.values() label_list.sort(key=lambda l: l.index) for label in [label.name for label in label_list]: for appvm in [vm for vm in vms_list if ((vm.is_appvm() or vm.is_disposablevm()) and vm.label.name == label)]: vms_to_display.append(appvm) assert len(vms_to_display) == no_vms return vms_to_display def fill_table(self): self.table.clear() vms_list = self.get_vms_list() self.table.setRowCount(len(vms_list)) vms_in_table = [] for (row_no, vm) in enumerate(vms_list): vm_row = VmRowInTable (vm, row_no, self.table) vms_in_table.append (vm_row) self.vms_list = vms_list self.vms_in_table = vms_in_table self.reload_table = False def mark_table_for_update(self): self.reload_table = True # When calling update_table() directly, always use out_of_schedule=True! def update_table(self, out_of_schedule=False): if self.reload_table: self.fill_table() for vm_row in self.vms_in_table: vm_row.update(self.counter) self.table_selection_changed() if not out_of_schedule: self.counter += 1 QTimer.singleShot (self.update_interval, self.update_table) def update_table_columns(self): state = 1 if self.__cpugraphs else 0 columns = self.columns_states[state] for i in range(0, self.table.columnCount()): enabled = columns.count(i) > 0 self.table.setColumnHidden(i, not enabled) self.setMinimumWidth(self.get_minimum_table_width()) def table_selection_changed (self): vm = self.get_selected_vm() # Update available actions: self.action_removevm.setEnabled(not vm.installed_by_rpm and not vm.is_running()) self.action_resumevm.setEnabled(not vm.is_running()) self.action_pausevm.setEnabled(vm.is_running() and vm.qid != 0) self.action_shutdownvm.setEnabled(vm.is_running() and vm.qid != 0) self.action_updatevm.setEnabled(vm.is_updateable() and not vm.is_running()) self.action_editfwrules.setEnabled(vm.is_networked() and (vm.is_appvm() or vm.is_disposablevm())) def get_minimum_table_width(self): tbl_W = 0 for (col, w) in enumerate(VmManagerWindow.columns_widths): if not self.table.isColumnHidden(col): tbl_W += w return tbl_W def closeEvent (self, event): self.hide() event.ignore() def create_appvm(self): dialog = NewAppVmDlg() # Theoretically we should be locking for writing here and unlock # only after the VM creation finished. But the code would be more messy... # Instead we lock for writing in the actual worker thread self.qvm_collection.lock_db_for_reading() self.qvm_collection.load() self.qvm_collection.unlock_db() label_list = QubesVmLabels.values() label_list.sort(key=lambda l: l.index) for (i, label) in enumerate(label_list): dialog.vmlabel.insertItem(i, label.name) dialog.vmlabel.setItemIcon (i, QIcon(label.icon_path)) template_vm_list = [vm for vm in self.qvm_collection.values() if vm.is_template()] default_index = 0 for (i, vm) in enumerate(template_vm_list): if vm is self.qvm_collection.get_default_template_vm(): default_index = i dialog.template_name.insertItem(i, vm.name + " (default)") else: dialog.template_name.insertItem(i, vm.name) dialog.template_name.setCurrentIndex(default_index) dialog.vmname.selectAll() dialog.vmname.setFocus() if dialog.exec_(): vmname = str(dialog.vmname.text()) if self.qvm_collection.get_vm_by_name(vmname) is not None: QMessageBox.warning (None, "Incorrect AppVM Name!", "A VM with the name {0} already exists in the system!".format(vmname)) return label = label_list[dialog.vmlabel.currentIndex()] template_vm = template_vm_list[dialog.template_name.currentIndex()] thread_monitor = ThreadMonitor() thread = threading.Thread (target=self.do_create_appvm, args=(vmname, label, template_vm, thread_monitor)) thread.daemon = True thread.start() progress = QProgressDialog ("Creating new AppVM {0}...".format(vmname), "", 0, 0) progress.setCancelButton(None) progress.setModal(True) progress.show() while not thread_monitor.is_finished(): app.processEvents() time.sleep (0.1) progress.hide() if thread_monitor.success: trayIcon.showMessage ("Qubes Manager", "VM '{0}' has been created.".format(vmname), msecs=3000) else: QMessageBox.warning (None, "Error creating AppVM!", "ERROR: {0}".format(thread_monitor.error_msg)) def do_create_appvm (self, vmname, label, template_vm, thread_monitor): vm = None try: self.qvm_collection.lock_db_for_writing() self.qvm_collection.load() vm = self.qvm_collection.add_new_appvm(vmname, template_vm, label = label) vm.create_on_disk(verbose=False) vm.add_to_xen_storage() self.qvm_collection.save() except Exception as ex: thread_monitor.set_error_msg (str(ex)) if vm: vm.remove_from_disk() finally: self.qvm_collection.unlock_db() thread_monitor.set_finished() def get_selected_vm(self): row_index = self.table.currentRow() assert self.vms_in_table[row_index] is not None vm = self.vms_in_table[row_index].vm return vm def remove_appvm(self): vm = self.get_selected_vm() assert not vm.is_running() assert not vm.installed_by_rpm self.qvm_collection.lock_db_for_reading() self.qvm_collection.load() self.qvm_collection.unlock_db() if vm.is_template(): dependent_vms = self.qvm_collection.get_vms_based_on(vm.qid) if len(dependent_vms) > 0: QMessageBox.warning (None, "Warning!", "This Template VM cannot be removed, because there is at least one AppVM that is based on it.
" "If you want to remove this Template VM and all the AppVMs based on it," "you should first remove each individual AppVM that uses this template.") return reply = QMessageBox.question(None, "VM Removal Confirmation", "Are you sure you want to remove the VM '{0}'?
" "All data on this VM's private storage will be lost!".format(vm.name), QMessageBox.Yes | QMessageBox.Cancel) if reply == QMessageBox.Yes: thread_monitor = ThreadMonitor() thread = threading.Thread (target=self.do_remove_vm, args=(vm, thread_monitor)) thread.daemon = True thread.start() progress = QProgressDialog ("Removing VM: {0}...".format(vm.name), "", 0, 0) progress.setCancelButton(None) progress.setModal(True) progress.show() while not thread_monitor.is_finished(): app.processEvents() time.sleep (0.1) progress.hide() if thread_monitor.success: trayIcon.showMessage ("Qubes Manager", "VM '{0}' has been removed.".format(vm.name), msecs=3000) else: QMessageBox.warning (None, "Error removing VM!", "ERROR: {0}".format(thread_monitor.error_msg)) def do_remove_vm (self, vm, thread_monitor): try: self.qvm_collection.lock_db_for_writing() self.qvm_collection.load() #TODO: the following two conditions should really be checked by qvm_collection.pop() overload... if vm.is_template() and qvm_collection.default_template_qid == vm.qid: qvm_collection.default_template_qid = None if vm.is_netvm() and qvm_collection.default_netvm_qid == vm.qid: qvm_collection.default_netvm_qid = None vm.remove_from_xen_storage() vm.remove_from_disk() self.qvm_collection.pop(vm.qid) self.qvm_collection.save() except Exception as ex: thread_monitor.set_error_msg (str(ex)) finally: self.qvm_collection.unlock_db() thread_monitor.set_finished() def resume_vm(self): vm = self.get_selected_vm() assert not vm.is_running() try: vm.verify_files() xid = vm.start() except (IOError, OSError, QubesException) as err: QMessageBox.warning (None, "Error starting VM!", "ERROR: {0}".format(err)) return retcode = subprocess.call ([qubes_guid_path, "-d", str(xid), "-c", vm.label.color, "-i", vm.label.icon, "-l", str(vm.label.index)]) if (retcode != 0): QMessageBox.warning (None, "Error starting VM!", "ERROR: Cannot start qubes_guid!") return def pause_vm(self): vm = self.get_selected_vm() assert vm.is_running() try: subprocess.check_call (["/usr/sbin/xm", "pause", vm.name]) except Exception as ex: QMessageBox.warning (None, "Error pausing VM!", "ERROR: {0}".format(ex)) return def shutdown_vm(self): vm = self.get_selected_vm() assert vm.is_running() reply = QMessageBox.question(None, "VM Shutdown Confirmation", "Are you sure you want to power down the VM '{0}'?
" "This will shutdown all the running applications within this VM.".format(vm.name), QMessageBox.Yes | QMessageBox.Cancel) app.processEvents() if reply == QMessageBox.Yes: try: subprocess.check_call (["/usr/sbin/xm", "shutdown", vm.name]) except Exception as ex: QMessageBox.warning (None, "Error shutting down VM!", "ERROR: {0}".format(ex)) return trayIcon.showMessage ("Qubes Manager", "VM '{0}' is shutting down...".format(vm.name), msecs=3000) self.shutdown_monitor[vm.qid] = VmShutdownMonitor (vm) QTimer.singleShot (vm_shutdown_timeout, self.shutdown_monitor[vm.qid].check_if_vm_has_shutdown) def update_vm(self): vm = self.get_selected_vm() assert not vm.is_running() reply = QMessageBox.question(None, "VM Update Confirmation", "Are you sure you want to commit template '{0}' changes?
" "AppVMs will see the changes after restart.".format(vm.name), QMessageBox.Yes | QMessageBox.Cancel) app.processEvents() if reply == QMessageBox.Yes: try: vm.commit_changes(); except Exception as ex: QMessageBox.warning (None, "Error commiting changes!", "ERROR: {0}".format(ex)) return trayIcon.showMessage ("Qubes Manager", "Changes to template '{0}' commited.".format(vm.name), msecs=3000) def showcpuload(self): self.__cpugraphs = self.action_showcpuload.isChecked() self.update_table_columns() def edit_fw_rules(self): vm = self.get_selected_vm() dialog = EditFwRulesDlg() model = QubesFirewallRulesModel() model.set_vm(vm) dialog.set_model(model) if dialog.exec_(): model.apply_rules() QTimer.singleShot(5000, self.check_apply_fw_rules) def check_apply_fw_rules(self): qvm_collection = QubesVmCollection() qvm_collection.lock_db_for_reading() qvm_collection.load() qvm_collection.unlock_db() for vm in qvm_collection.values(): if vm.is_fwvm(): error_file = "/local/domain/{0}/qubes_iptables_error".format(vm.get_xid()) error = subprocess.Popen( ["/usr/bin/xenstore-read", error_file], stdout=subprocess.PIPE).communicate()[0] if error != "": vm.rules_applied = False trayIcon.showMessage ( "Error applying firewall rules on '{0}'!".format(vm.name), "ERROR: {0}".format(error.decode('string_escape')), QSystemTrayIcon.Critical ) retcode = subprocess.check_call ( ["/usr/bin/xenstore-write", error_file, ""]) else: vm.rules_applied = True class QubesTrayIcon(QSystemTrayIcon): def __init__(self, icon): QSystemTrayIcon.__init__(self, icon) self.menu = QMenu() action_showmanager = self.createAction ("Open VM Manager", slot=show_manager, icon="qubes") action_backup = self.createAction ("Make backup") action_preferences = self.createAction ("Preferences") action_set_netvm = self.createAction ("Set default NetVM", icon="networking") action_sys_info = self.createAction ("System Info", icon="dom0") action_exit = self.createAction ("Exit", slot=exit_app) action_backup.setDisabled(True) action_preferences.setDisabled(True) action_set_netvm.setDisabled(True) action_sys_info.setDisabled(True) self.addActions (self.menu, (action_showmanager, action_backup, action_sys_info, None, action_preferences, action_set_netvm, None, action_exit)) self.setContextMenu(self.menu) self.connect (self, SIGNAL("activated (QSystemTrayIcon::ActivationReason)"), self.icon_clicked) def icon_clicked(self, reason): if reason == QSystemTrayIcon.Context: # Handle the right click normally, i.e. display the context menu return else: toggle_manager() def addActions(self, target, actions): for action in actions: if action is None: target.addSeparator() else: target.addAction(action) def createAction(self, text, slot=None, shortcut=None, icon=None, tip=None, checkable=False, signal="triggered()"): action = QAction(text, self) if icon is not None: action.setIcon(QIcon(":/%s.png" % icon)) if shortcut is not None: action.setShortcut(shortcut) if tip is not None: action.setToolTip(tip) action.setStatusTip(tip) if slot is not None: self.connect(action, SIGNAL(signal), slot) if checkable: action.setCheckable(True) return action def show_manager(): manager_window.show() def toggle_manager(): if manager_window.isVisible(): manager_window.hide() else: manager_window.show() def exit_app(): notifier.stop() app.exit() # 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 Manager.

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

" % ( line, filename )) #sys.exit(1) def main(): # Avoid starting more than one instance of the app lock = QubesDaemonPidfile ("qubes-manager") if lock.pidfile_exists(): if lock.pidfile_is_stale(): lock.remove_pidfile() print "Removed stale pidfile (has the previous daemon instance crashed?)." else: exit (0) lock.create_pidfile() 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 VM Manager") app.setWindowIcon(QIcon(":/qubes.png")) sys.excepthook = handle_exception global manager_window manager_window = VmManagerWindow() wm = WatchManager() mask = EventsCodes.OP_FLAGS.get('IN_CLOSE_WRITE') global notifier notifier = ThreadedNotifier(wm, QubesConfigFileWatcher(manager_window.mark_table_for_update)) notifier.start() wdd = wm.add_watch(qubes_store_filename, mask) global trayIcon trayIcon = QubesTrayIcon(QIcon(":/qubes.png")) trayIcon.show() app.exec_() trayIcon = None