300 lines
10 KiB
Python
300 lines
10 KiB
Python
#!/usr/bin/python2.6
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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) 2012 Agnieszka Kostrzewa <agnieszka.kostrzewa@gmail.com>
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# Copyright (C) 2012 Marek Marczykowski <marmarek@mimuw.edu.pl>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program 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
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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#
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import sys
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import os
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from qubes.qubes import QubesVmCollection
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from qubes.qubes import QubesException
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from qubes.qubes import qubes_appmenu_create_cmd
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from qubes.qubes import qubes_appmenu_remove_cmd
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from qubes.qubes import QubesDaemonPidfile
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from qubes.qubes import QubesHost
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from qubes.qubes import qrexec_client_path
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import qubesmanager.resources_rc
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from pyinotify import WatchManager, Notifier, ThreadedNotifier, EventsCodes, ProcessEvent
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import subprocess
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import time
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import threading
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from operator import itemgetter
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from ui_settingsdlg import *
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from multiselectwidget import *
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from appmenu_select import *
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from firewall import *
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class VMSettingsWindow(Ui_SettingsDialog, QDialog):
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tabs_indices = {"basic": 0,
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"advanced": 1,
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"firewall": 2,
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"devices": 3,
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"applications": 4,
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"services": 5,}
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def __init__(self, vm, app, init_page="basic", parent=None):
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super(VMSettingsWindow, self).__init__(parent)
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self.app = app
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self.vm = vm
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if self.vm.template_vm:
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self.source_vm = self.vm.template_vm
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else:
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self.source_vm = self.vm
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self.setupUi(self)
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if init_page in self.tabs_indices:
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idx = self.tabs_indices[init_page]
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assert (idx in range(self.tabWidget.count()))
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self.tabWidget.setCurrentIndex(idx)
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self.connect(self.buttonBox, SIGNAL("accepted()"), self.save_and_apply)
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self.connect(self.buttonBox, SIGNAL("rejected()"), self.reject)
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self.tabWidget.currentChanged.connect(self.current_tab_changed)
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###### firewall tab
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model = QubesFirewallRulesModel()
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model.set_vm(vm)
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self.set_fw_model(model)
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self.newRuleButton.clicked.connect(self.new_rule_button_pressed)
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self.editRuleButton.clicked.connect(self.edit_rule_button_pressed)
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self.deleteRuleButton.clicked.connect(self.delete_rule_button_pressed)
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self.policyAllowRadioButton.toggled.connect(self.policy_radio_toggled)
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self.dnsCheckBox.toggled.connect(self.dns_checkbox_toggled)
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self.icmpCheckBox.toggled.connect(self.icmp_checkbox_toggled)
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####### devices tab
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self.dev_list = MultiSelectWidget(self)
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self.devices_layout.addWidget(self.dev_list)
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####### apps tab
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self.app_list = MultiSelectWidget(self)
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self.apps_layout.addWidget(self.app_list)
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self.AppListManager = AppmenuSelectManager(self.vm, self.app_list)
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def reject(self):
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self.done(0)
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#needed not to close the dialog before applying changes
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def accept(self):
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pass
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def save_and_apply(self):
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thread_monitor = ThreadMonitor()
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thread = threading.Thread (target=self.__save_changes__, args=(thread_monitor,))
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thread.daemon = True
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thread.start()
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progress = QProgressDialog ("Applying settings to <b>{0}</b>...".format(self.vm.name), "", 0, 0)
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progress.setCancelButton(None)
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progress.setModal(True)
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progress.show()
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while not thread_monitor.is_finished():
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self.app.processEvents()
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time.sleep (0.1)
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progress.hide()
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if not thread_monitor.success:
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QMessageBox.warning (None, "Error while changing settings for {0}!", "ERROR: {1}".format(self.vm.namethread_monitor.error_msg))
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self.done(0)
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def __save_changes__(self, thread_monitor):
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self.fw_model.apply_rules()
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self.AppListManager.save_appmenu_select_changes()
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thread_monitor.set_finished()
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def current_tab_changed(self, idx):
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if idx == self.tabs_indices["firewall"]:
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if self.vm.netvm_vm is not None and not self.vm.netvm_vm.is_proxyvm():
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QMessageBox.warning (None, "VM configuration problem!", "The '{0}' AppVM is not network connected to a FirewallVM!<p>".format(self.vm.name) +\
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"You may edit the '{0}' VM firewall rules, but these will not take any effect until you connect it to a working Firewall VM.".format(self.vm.name))
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######### firewall tab related
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def set_fw_model(self, model):
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self.fw_model = model
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self.rulesTreeView.setModel(model)
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self.rulesTreeView.header().setResizeMode(QHeaderView.ResizeToContents)
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self.rulesTreeView.header().setResizeMode(0, QHeaderView.Stretch)
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self.set_allow(model.allow)
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self.dnsCheckBox.setChecked(model.allowDns)
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self.icmpCheckBox.setChecked(model.allowIcmp)
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def set_allow(self, allow):
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self.policyAllowRadioButton.setChecked(allow)
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self.policyDenyRadioButton.setChecked(not allow)
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def policy_radio_toggled(self, on):
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self.fw_model.allow = self.policyAllowRadioButton.isChecked()
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def dns_checkbox_toggled(self, on):
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self.fw_model.allowDns = on
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def icmp_checkbox_toggled(self, on):
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self.fw_model.allowIcmp = on
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def new_rule_button_pressed(self):
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dialog = NewFwRuleDlg()
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self.run_rule_dialog(dialog)
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def edit_rule_button_pressed(self):
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dialog = NewFwRuleDlg()
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dialog.set_ok_enabled(True)
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selected = self.rulesTreeView.selectedIndexes()
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if len(selected) > 0:
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row = self.rulesTreeView.selectedIndexes().pop().row()
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address = self.fw_model.get_column_string(0, row).replace(' ', '')
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dialog.addressComboBox.setItemText(0, address)
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dialog.addressComboBox.setCurrentIndex(0)
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service = self.fw_model.get_column_string(1, row)
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dialog.serviceComboBox.setItemText(0, service)
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dialog.serviceComboBox.setCurrentIndex(0)
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self.run_rule_dialog(dialog, row)
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def delete_rule_button_pressed(self):
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for i in set([index.row() for index in self.rulesTreeView.selectedIndexes()]):
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self.fw_model.removeChild(i)
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def run_rule_dialog(self, dialog, row = None):
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if dialog.exec_():
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address = str(dialog.addressComboBox.currentText())
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service = str(dialog.serviceComboBox.currentText())
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port = None
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port2 = None
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unmask = address.split("/", 1)
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if len(unmask) == 2:
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address = unmask[0]
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netmask = int(unmask[1])
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else:
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netmask = 32
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if address == "*":
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address = "0.0.0.0"
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netmask = 0
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if service == "*":
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service = "0"
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try:
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range = service.split("-", 1)
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if len(range) == 2:
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port = int(range[0])
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port2 = int(range[1])
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else:
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port = int(service)
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except (TypeError, ValueError) as ex:
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port = self.fw_model.get_service_port(service)
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if port is not None:
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if port2 is not None and port2 <= port:
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QMessageBox.warning(None, "Invalid service ports range", "Port {0} is lower than port {1}.".format(port2, port))
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else:
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item = QubesFirewallRuleItem(address, netmask, port, port2)
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if row is not None:
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self.fw_model.setChild(row, item)
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else:
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self.fw_model.appendChild(item)
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else:
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QMessageBox.warning(None, "Invalid service name", "Service '{0} is unknown.".format(service))
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# Bases on the original code by:
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# Copyright (c) 2002-2007 Pascal Varet <p.varet@gmail.com>
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def handle_exception( exc_type, exc_value, exc_traceback ):
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import sys
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import os.path
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import traceback
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filename, line, dummy, dummy = traceback.extract_tb( exc_traceback ).pop()
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filename = os.path.basename( filename )
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error = "%s: %s" % ( exc_type.__name__, exc_value )
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QMessageBox.critical(None, "Houston, we have a problem...",
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"Whoops. A critical error has occured. This is most likely a bug "
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"in Qubes VM Settings application.<br><br>"
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"<b><i>%s</i></b>" % error +
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"at <b>line %d</b> of file <b>%s</b>.<br/><br/>"
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% ( line, filename ))
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def main():
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global qubes_host
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qubes_host = QubesHost()
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global app
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app = QApplication(sys.argv)
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app.setOrganizationName("The Qubes Project")
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app.setOrganizationDomain("http://qubes-os.org")
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app.setApplicationName("Qubes VM Settings")
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sys.excepthook = handle_exception
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qvm_collection = QubesVmCollection()
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qvm_collection.lock_db_for_reading()
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qvm_collection.load()
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qvm_collection.unlock_db()
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vm = None
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if len(sys.argv) > 1:
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vm = qvm_collection.get_vm_by_name(sys.argv[1])
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if vm is None or vm.qid not in qvm_collection:
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QMessageBox.critical(None, "Qubes VM Settings Error",
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"A VM with the name '{0}' does not exist in the system.".format(sys.argv[1]))
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sys.exit(1)
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else:
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vms_list = [vm.name for vm in qvm_collection.values() if (vm.is_appvm() or vm.is_template())]
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vmname = QInputDialog.getItem(None, "Select VM", "Select VM:", vms_list, editable = False)
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if not vmname[1]:
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sys.exit(1)
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vm = qvm_collection.get_vm_by_name(vmname[0])
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global settings_window
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settings_window = VMSettingsWindow(vm, app, "basic")
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settings_window.show()
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app.exec_()
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app.exit()
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if __name__ == "__main__":
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main()
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