diff options
Diffstat (limited to 'src/leap')
| -rw-r--r-- | src/leap/bitmask/backend.py | 278 | ||||
| -rw-r--r-- | src/leap/bitmask/gui/eip_status.py | 55 | ||||
| -rw-r--r-- | src/leap/bitmask/gui/mainwindow.py | 297 | ||||
| -rw-r--r-- | src/leap/bitmask/services/eip/vpnprocess.py | 167 |
4 files changed, 433 insertions, 364 deletions
diff --git a/src/leap/bitmask/backend.py b/src/leap/bitmask/backend.py index 00a399ee..591b5da5 100644 --- a/src/leap/bitmask/backend.py +++ b/src/leap/bitmask/backend.py @@ -33,8 +33,13 @@ from leap.bitmask.crypto.srpauth import SRPAuth from leap.bitmask.crypto.srpregister import SRPRegister from leap.bitmask.provider import get_provider_path from leap.bitmask.provider.providerbootstrapper import ProviderBootstrapper +from leap.bitmask.services.eip import eipconfig +from leap.bitmask.services.eip import get_openvpn_management from leap.bitmask.services.eip.eipbootstrapper import EIPBootstrapper +from leap.bitmask.services.eip import vpnlauncher, vpnprocess +from leap.bitmask.services.eip import linuxvpnlauncher, darwinvpnlauncher + # Frontend side from PySide import QtCore @@ -248,6 +253,140 @@ class Register(object): logger.error("Could not load provider configuration.") +class EIP(object): + """ + Interfaces with setup and launch of EIP + """ + + zope.interface.implements(ILEAPService) + + def __init__(self, signaler=None): + """ + Constructor for the EIP component + + :param signaler: Object in charge of handling communication + back to the frontend + :type signaler: Signaler + """ + object.__init__(self) + self.key = "eip" + self._signaler = signaler + self._eip_bootstrapper = EIPBootstrapper(signaler) + self._eip_setup_defer = None + self._provider_config = ProviderConfig() + + self._vpn = vpnprocess.VPN(signaler=signaler) + + def setup_eip(self, domain): + """ + Initiates the setup for a provider + + :param domain: URL for the provider + :type domain: unicode + + :returns: the defer for the operation running in a thread. + :rtype: twisted.internet.defer.Deferred + """ + config = self._provider_config + if get_provider_config(config, domain): + eb = self._eip_bootstrapper + d = eb.run_eip_setup_checks(self._provider_config, + download_if_needed=True) + self._eip_setup_defer = d + return d + else: + raise Exception("No provider setup loaded") + + def cancel_setup_eip(self): + """ + Cancel the ongoing setup eip defer (if any). + """ + d = self._eip_setup_defer + if d is not None: + d.cancel() + + def _start_eip(self): + """ + Starts EIP + """ + provider_config = self._provider_config + eip_config = eipconfig.EIPConfig() + domain = provider_config.get_domain() + + loaded = eipconfig.load_eipconfig_if_needed( + provider_config, eip_config, domain) + + if not loaded: + if self._signaler is not None: + self._signaler.signal(self._signaler.EIP_CONNECTION_ABORTED) + logger.error("Tried to start EIP but cannot find any " + "available provider!") + return + + host, port = get_openvpn_management() + self._vpn.start(eipconfig=eip_config, + providerconfig=provider_config, + socket_host=host, socket_port=port) + + def start(self): + """ + Starts the service. + """ + signaler = self._signaler + + if not self._provider_config.loaded(): + # This means that the user didn't call setup_eip first. + self._signaler.signal(signaler.BACKEND_BAD_CALL) + return + + try: + self._start_eip() + except vpnprocess.OpenVPNAlreadyRunning: + signaler.signal(signaler.EIP_OPEN_VPN_ALREADY_RUNNING) + except vpnprocess.AlienOpenVPNAlreadyRunning: + signaler.signal(signaler.EIP_ALIEN_OPEN_VPN_ALREADY_RUNNING) + except vpnlauncher.OpenVPNNotFoundException: + signaler.signal(signaler.EIP_OPEN_VPN_NOT_FOUND_ERROR) + except vpnlauncher.VPNLauncherException: + # TODO: this seems to be used for 'gateway not found' only. + # see vpnlauncher.py + signaler.signal(signaler.EIP_VPN_LAUNCHER_EXCEPTION) + except linuxvpnlauncher.EIPNoPolkitAuthAgentAvailable: + signaler.signal(signaler.EIP_NO_POLKIT_AGENT_ERROR) + except linuxvpnlauncher.EIPNoPkexecAvailable: + signaler.signal(signaler.EIP_NO_PKEXEC_ERROR) + except darwinvpnlauncher.EIPNoTunKextLoaded: + signaler.signal(signaler.EIP_NO_TUN_KEXT_ERROR) + except Exception as e: + logger.error("Unexpected problem: {0!r}".format(e)) + else: + # TODO: are we connected here? + signaler.signal(signaler.EIP_CONNECTED) + + def stop(self, shutdown=False): + """ + Stops the service. + """ + self._vpn.terminate(shutdown) + + def terminate(self): + """ + Terminates the service, not necessarily in a nice way. + """ + self._vpn.killit() + + def status(self): + """ + Returns a json object with the current status for the service. + + :rtype: object (list, str, dict) + """ + # XXX: Use a namedtuple or a specific object instead of a json + # object, since parsing it will be problematic otherwise. + # It has to be something easily serializable though. + pass + + class Authenticate(object): """ Interfaces with setup and bootstrapping operations for a provider @@ -355,57 +494,6 @@ class Authenticate(object): self._signaler.signal(signal) -class EIP(object): - """ - Interfaces with setup and launch of EIP - """ - - zope.interface.implements(ILEAPComponent) - - def __init__(self, signaler=None): - """ - Constructor for the EIP component - - :param signaler: Object in charge of handling communication - back to the frontend - :type signaler: Signaler - """ - object.__init__(self) - self.key = "eip" - self._eip_bootstrapper = EIPBootstrapper(signaler) - self._eip_setup_defer = None - self._provider_config = ProviderConfig() - - def setup_eip(self, domain): - """ - Initiates the setup for a provider - - :param domain: URL for the provider - :type domain: unicode - - :returns: the defer for the operation running in a thread. - :rtype: twisted.internet.defer.Deferred - """ - config = self._provider_config - if get_provider_config(config, domain): - log.msg("") - eb = self._eip_bootstrapper - d = eb.run_eip_setup_checks(self._provider_config, - download_if_needed=True) - self._eip_setup_defer = d - return d - else: - raise Exception("No provider setup loaded") - - def cancel_setup_eip(self): - """ - Cancel the ongoing setup eip defer (if any). - """ - d = self._eip_setup_defer - if d is not None: - d.cancel() - - class Signaler(QtCore.QObject): """ Signaler object, handles converting string commands to Qt signals. @@ -437,7 +525,7 @@ class Signaler(QtCore.QObject): srp_registration_failed = QtCore.Signal(object) srp_registration_taken = QtCore.Signal(object) - # Signals for EIP + # Signals for EIP bootstrapping eip_download_config = QtCore.Signal(object) eip_download_client_certificate = QtCore.Signal(object) @@ -458,6 +546,35 @@ class Signaler(QtCore.QObject): srp_status_logged_in = QtCore.Signal(object) srp_status_not_logged_in = QtCore.Signal(object) + # Signals for EIP + eip_connected = QtCore.Signal(object) + eip_disconnected = QtCore.Signal(object) + eip_connection_died = QtCore.Signal(object) + eip_connection_aborted = QtCore.Signal(object) + + # EIP problems + eip_no_polkit_agent_error = QtCore.Signal(object) + eip_no_tun_kext_error = QtCore.Signal(object) + eip_no_pkexec_error = QtCore.Signal(object) + eip_openvpn_not_found_error = QtCore.Signal(object) + eip_openvpn_already_running = QtCore.Signal(object) + eip_alien_openvpn_already_running = QtCore.Signal(object) + eip_vpn_launcher_exception = QtCore.Signal(object) + + # signals from parsing openvpn output + eip_network_unreachable = QtCore.Signal(object) + eip_process_restart_tls = QtCore.Signal(object) + eip_process_restart_ping = QtCore.Signal(object) + + # signals from vpnprocess.py + eip_state_changed = QtCore.Signal(dict) + eip_status_changed = QtCore.Signal(dict) + eip_process_finished = QtCore.Signal(int) + + # This signal is used to warn the backend user that is doing something + # wrong + backend_bad_call = QtCore.Signal(object) + #################### # These will exist both in the backend AND the front end. # The frontend might choose to not "interpret" all the signals @@ -497,11 +614,27 @@ class Signaler(QtCore.QObject): EIP_DOWNLOAD_CLIENT_CERTIFICATE = "eip_download_client_certificate" EIP_CANCELLED_SETUP = "eip_cancelled_setup" - # TODO change the name of "download_config" signal to - # something less confusing (config_ready maybe) - EIP_DOWNLOAD_CONFIG = "eip_download_config" - EIP_DOWNLOAD_CLIENT_CERTIFICATE = "eip_download_client_certificate" - EIP_CANCELLED_SETUP = "eip_cancelled_setup" + EIP_CONNECTED = "eip_connected" + EIP_DISCONNECTED = "eip_disconnected" + EIP_CONNECTION_DIED = "eip_connection_died" + EIP_CONNECTION_ABORTED = "eip_connection_aborted" + EIP_NO_POLKIT_AGENT_ERROR = "eip_no_polkit_agent_error" + EIP_NO_TUN_KEXT_ERROR = "eip_no_tun_kext_error" + EIP_NO_PKEXEC_ERROR = "eip_no_pkexec_error" + EIP_OPENVPN_NOT_FOUND_ERROR = "eip_openvpn_not_found_error" + EIP_OPENVPN_ALREADY_RUNNING = "eip_openvpn_already_running" + EIP_ALIEN_OPENVPN_ALREADY_RUNNING = "eip_alien_openvpn_already_running" + EIP_VPN_LAUNCHER_EXCEPTION = "eip_vpn_launcher_exception" + + EIP_NETWORK_UNREACHABLE = "eip_network_unreachable" + EIP_PROCESS_RESTART_TLS = "eip_process_restart_tls" + EIP_PROCESS_RESTART_PING = "eip_process_restart_ping" + + EIP_STATE_CHANGED = "eip_state_changed" + EIP_STATUS_CHANGED = "eip_status_changed" + EIP_PROCESS_FINISHED = "eip_process_finished" + + BACKEND_BAD_CALL = "backend_bad_call" def __init__(self): """ @@ -530,6 +663,26 @@ class Signaler(QtCore.QObject): self.EIP_DOWNLOAD_CLIENT_CERTIFICATE, self.EIP_CANCELLED_SETUP, + self.EIP_CONNECTED, + self.EIP_DISCONNECTED, + self.EIP_CONNECTION_DIED, + self.EIP_CONNECTION_ABORTED, + self.EIP_NO_POLKIT_AGENT_ERROR, + self.EIP_NO_TUN_KEXT_ERROR, + self.EIP_NO_PKEXEC_ERROR, + self.EIP_OPENVPN_NOT_FOUND_ERROR, + self.EIP_OPENVPN_ALREADY_RUNNING, + self.EIP_ALIEN_OPENVPN_ALREADY_RUNNING, + self.EIP_VPN_LAUNCHER_EXCEPTION, + + self.EIP_NETWORK_UNREACHABLE, + self.EIP_PROCESS_RESTART_TLS, + self.EIP_PROCESS_RESTART_PING, + + self.EIP_STATE_CHANGED, + self.EIP_STATUS_CHANGED, + self.EIP_PROCESS_FINISHED, + self.SRP_AUTH_OK, self.SRP_AUTH_ERROR, self.SRP_AUTH_SERVER_ERROR, @@ -543,6 +696,8 @@ class Signaler(QtCore.QObject): self.SRP_NOT_LOGGED_IN_ERROR, self.SRP_STATUS_LOGGED_IN, self.SRP_STATUS_NOT_LOGGED_IN, + + self.BACKEND_BAD_CALL, ] for sig in signals: @@ -728,6 +883,15 @@ class Backend(object): def cancel_setup_eip(self): self._call_queue.put(("eip", "cancel_setup_eip", None)) + def start_eip(self): + self._call_queue.put(("eip", "start", None)) + + def stop_eip(self, shutdown=False): + self._call_queue.put(("eip", "stop", None, shutdown)) + + def terminate_eip(self): + self._call_queue.put(("eip", "terminate", None)) + def login(self, provider, username, password): self._call_queue.put(("authenticate", "login", None, provider, username, password)) diff --git a/src/leap/bitmask/gui/eip_status.py b/src/leap/bitmask/gui/eip_status.py index 19942d9d..f24d87c7 100644 --- a/src/leap/bitmask/gui/eip_status.py +++ b/src/leap/bitmask/gui/eip_status.py @@ -25,7 +25,6 @@ from functools import partial from PySide import QtCore, QtGui from leap.bitmask.services.eip.connection import EIPConnection -from leap.bitmask.services.eip.vpnprocess import VPNManager from leap.bitmask.services import get_service_display_name, EIP_SERVICE from leap.bitmask.platform_init import IS_LINUX from leap.bitmask.util.averages import RateMovingAverage @@ -99,7 +98,7 @@ class EIPStatusWidget(QtGui.QWidget): status figures. """ self.DISPLAY_TRAFFIC_RATES = not self.DISPLAY_TRAFFIC_RATES - self.update_vpn_status(None) # refresh + self.update_vpn_status() # refresh def _set_traffic_rates(self): """ @@ -117,7 +116,7 @@ class EIPStatusWidget(QtGui.QWidget): """ self._up_rate.reset() self._down_rate.reset() - self.update_vpn_status(None) + self.update_vpn_status() def _update_traffic_rates(self, up, down): """ @@ -348,23 +347,26 @@ class EIPStatusWidget(QtGui.QWidget): self.tr("Traffic is being routed in the clear")) self.ui.lblEIPStatus.show() - def update_vpn_status(self, data): + def update_vpn_status(self, data=None): """ SLOT - TRIGGER: VPN.status_changed + TRIGGER: Signaler.eip_status_changed - Updates the download/upload labels based on the data provided - by the VPN thread. + Updates the download/upload labels based on the data provided by the + VPN thread. + If data is None, we just will refresh the display based on the previous + data. :param data: a dictionary with the tcp/udp write and read totals. - If data is None, we just will refresh the display based - on the previous data. :type data: dict """ - if data: - upload = float(data[VPNManager.TCPUDP_WRITE_KEY] or "0") - download = float(data[VPNManager.TCPUDP_READ_KEY] or "0") - self._update_traffic_rates(upload, download) + if data is not None: + try: + upload, download = map(float, data) + self._update_traffic_rates(upload, download) + except Exception: + # discard invalid data + return if self.DISPLAY_TRAFFIC_RATES: uprate, downrate = self._get_traffic_rates() @@ -379,39 +381,38 @@ class EIPStatusWidget(QtGui.QWidget): self.ui.btnUpload.setText(upload_str) self.ui.btnDownload.setText(download_str) - def update_vpn_state(self, data): + def update_vpn_state(self, vpn_state): """ SLOT - TRIGGER: VPN.state_changed + TRIGGER: Signaler.eip_state_changed Updates the displayed VPN state based on the data provided by the VPN thread. Emits: - If the status is connected, we emit EIPConnection.qtsigs. + If the vpn_state is connected, we emit EIPConnection.qtsigs. connected_signal """ - status = data[VPNManager.STATUS_STEP_KEY] - self.set_eip_status_icon(status) - if status == "CONNECTED": + self.set_eip_status_icon(vpn_state) + if vpn_state == "CONNECTED": self.ui.eip_bandwidth.show() self.ui.lblEIPStatus.hide() # XXX should be handled by the state machine too. self.eip_connection_connected.emit() - # XXX should lookup status map in EIPConnection - elif status == "AUTH": + # XXX should lookup vpn_state map in EIPConnection + elif vpn_state == "AUTH": self.set_eip_status(self.tr("Authenticating...")) - elif status == "GET_CONFIG": + elif vpn_state == "GET_CONFIG": self.set_eip_status(self.tr("Retrieving configuration...")) - elif status == "WAIT": + elif vpn_state == "WAIT": self.set_eip_status(self.tr("Waiting to start...")) - elif status == "ASSIGN_IP": + elif vpn_state == "ASSIGN_IP": self.set_eip_status(self.tr("Assigning IP")) - elif status == "RECONNECTING": + elif vpn_state == "RECONNECTING": self.set_eip_status(self.tr("Reconnecting...")) - elif status == "ALREADYRUNNING": + elif vpn_state == "ALREADYRUNNING": # Put the following calls in Qt's event queue, otherwise # the UI won't update properly QtCore.QTimer.singleShot( @@ -419,7 +420,7 @@ class EIPStatusWidget(QtGui.QWidget): msg = self.tr("Unable to start VPN, it's already running.") QtCore.QTimer.singleShot(0, partial(self.set_eip_status, msg)) else: - self.set_eip_status(status) + self.set_eip_status(vpn_state) def set_eip_icon(self, icon): """ diff --git a/src/leap/bitmask/gui/mainwindow.py b/src/leap/bitmask/gui/mainwindow.py index 6eaf2dfb..985ad945 100644 --- a/src/leap/bitmask/gui/mainwindow.py +++ b/src/leap/bitmask/gui/mainwindow.py @@ -33,16 +33,16 @@ from leap.bitmask.config import flags from leap.bitmask.config.leapsettings import LeapSettings from leap.bitmask.config.providerconfig import ProviderConfig -from leap.bitmask.gui.loggerwindow import LoggerWindow +from leap.bitmask.gui import statemachines from leap.bitmask.gui.advanced_key_management import AdvancedKeyManagement -from leap.bitmask.gui.login import LoginWidget -from leap.bitmask.gui.preferenceswindow import PreferencesWindow from leap.bitmask.gui.eip_preferenceswindow import EIPPreferencesWindow -from leap.bitmask.gui import statemachines from leap.bitmask.gui.eip_status import EIPStatusWidget +from leap.bitmask.gui.loggerwindow import LoggerWindow +from leap.bitmask.gui.login import LoginWidget from leap.bitmask.gui.mail_status import MailStatusWidget -from leap.bitmask.gui.wizard import Wizard +from leap.bitmask.gui.preferenceswindow import PreferencesWindow from leap.bitmask.gui.systray import SysTray +from leap.bitmask.gui.wizard import Wizard from leap.bitmask import provider from leap.bitmask.platform_init import IS_WIN, IS_MAC, IS_LINUX @@ -55,19 +55,7 @@ from leap.bitmask.services import get_service_display_name from leap.bitmask.services.mail import conductor as mail_conductor from leap.bitmask.services import EIP_SERVICE, MX_SERVICE -from leap.bitmask.services.eip import eipconfig -from leap.bitmask.services.eip import get_openvpn_management from leap.bitmask.services.eip.connection import EIPConnection -from leap.bitmask.services.eip.vpnprocess import VPN -from leap.bitmask.services.eip.vpnprocess import OpenVPNAlreadyRunning -from leap.bitmask.services.eip.vpnprocess import AlienOpenVPNAlreadyRunning - -from leap.bitmask.services.eip.vpnlauncher import VPNLauncherException -from leap.bitmask.services.eip.vpnlauncher import OpenVPNNotFoundException -from leap.bitmask.services.eip.linuxvpnlauncher import EIPNoPkexecAvailable -from leap.bitmask.services.eip.linuxvpnlauncher import \ - EIPNoPolkitAuthAgentAvailable -from leap.bitmask.services.eip.darwinvpnlauncher import EIPNoTunKextLoaded from leap.bitmask.services.soledad.soledadbootstrapper import \ SoledadBootstrapper @@ -94,11 +82,6 @@ class MainWindow(QtGui.QMainWindow): """ Main window for login and presenting status updates to the user """ - - # StackedWidget indexes - LOGIN_INDEX = 0 - EIP_STATUS_INDEX = 1 - # Signals eip_needs_login = QtCore.Signal([]) offline_mode_bypass_login = QtCore.Signal([]) @@ -117,9 +100,7 @@ class MainWindow(QtGui.QMainWindow): # We give each service some time to come to a halt before forcing quit SERVICE_STOP_TIMEOUT = 20 - def __init__(self, quit_callback, - bypass_checks=False, - start_hidden=False): + def __init__(self, quit_callback, bypass_checks=False, start_hidden=False): """ Constructor for the client main window @@ -127,9 +108,8 @@ class MainWindow(QtGui.QMainWindow): the application. :type quit_callback: callable - :param bypass_checks: Set to true if the app should bypass - first round of checks for CA - certificates at bootstrap + :param bypass_checks: Set to true if the app should bypass first round + of checks for CA certificates at bootstrap :type bypass_checks: bool :param start_hidden: Set to true if the app should not show the window but just the tray. @@ -188,21 +168,19 @@ class MainWindow(QtGui.QMainWindow): # XXX this should be handled by EIP Conductor self._eip_connection.qtsigs.connecting_signal.connect( - self._start_eip) + self._start_EIP) self._eip_connection.qtsigs.disconnecting_signal.connect( self._stop_eip) self._eip_status.eip_connection_connected.connect( - self._on_eip_connected) + self._on_eip_connection_connected) self._eip_status.eip_connection_connected.connect( self._maybe_run_soledad_setup_checks) self.offline_mode_bypass_login.connect( self._maybe_run_soledad_setup_checks) - self.eip_needs_login.connect( - self._eip_status.disable_eip_start) - self.eip_needs_login.connect( - self._disable_eip_start_action) + self.eip_needs_login.connect(self._eip_status.disable_eip_start) + self.eip_needs_login.connect(self._disable_eip_start_action) # This is loaded only once, there's a bug when doing that more # than once @@ -212,7 +190,6 @@ class MainWindow(QtGui.QMainWindow): # Used for automatic start of EIP self._provisional_provider_config = ProviderConfig() - self._eip_config = eipconfig.EIPConfig() self._already_started_eip = False self._already_started_soledad = False @@ -225,22 +202,6 @@ class MainWindow(QtGui.QMainWindow): self._backend_connected_signals = {} self._backend_connect() - self._vpn = VPN() - - # connect vpn process signals - self._vpn.qtsigs.state_changed.connect( - self._eip_status.update_vpn_state) - self._vpn.qtsigs.status_changed.connect( - self._eip_status.update_vpn_status) - self._vpn.qtsigs.process_finished.connect( - self._eip_finished) - self._vpn.qtsigs.network_unreachable.connect( - self._on_eip_network_unreachable) - self._vpn.qtsigs.process_restart_tls.connect( - self._do_eip_restart) - self._vpn.qtsigs.process_restart_ping.connect( - self._do_eip_restart) - self._soledad_bootstrapper = SoledadBootstrapper() self._soledad_bootstrapper.download_config.connect( self._soledad_intermediate_stage) @@ -419,6 +380,7 @@ class MainWindow(QtGui.QMainWindow): self._connect_and_track(sig.prov_cancelled_setup, self._set_login_cancelled) + # Login signals self._connect_and_track(sig.srp_auth_ok, self._authentication_finished) auth_error = ( @@ -442,16 +404,44 @@ class MainWindow(QtGui.QMainWindow): self._connect_and_track(sig.srp_auth_bad_user_or_password, auth_bad_user_or_password) + # Logout signals self._connect_and_track(sig.srp_logout_ok, self._logout_ok) self._connect_and_track(sig.srp_logout_error, self._logout_error) self._connect_and_track(sig.srp_not_logged_in_error, self._not_logged_in_error) + # EIP bootstrap signals + self._connect_and_track(sig.eip_download_config, + self._eip_intermediate_stage) + self._connect_and_track(sig.eip_download_client_certificate, + self._finish_eip_bootstrap) + # We don't want to disconnect some signals so don't track them: sig.prov_unsupported_client.connect(self._needs_update) sig.prov_unsupported_api.connect(self._incompatible_api) + # EIP start signals + sig.eip_openvpn_already_running.connect( + self._on_eip_openvpn_already_running) + sig.eip_alien_openvpn_already_running.connect( + self._on_eip_alien_openvpn_already_running) + sig.eip_openvpn_not_found_error.connect( + self._on_eip_openvpn_not_found_error) + sig.eip_vpn_launcher_exception.connect( + self._on_eip_vpn_launcher_exception) + sig.eip_no_polkit_agent_error.connect( + self._on_eip_no_polkit_agent_error) + sig.eip_no_pkexec_error.connect(self._on_eip_no_pkexec_error) + sig.eip_no_tun_kext_error.connect(self._on_eip_no_tun_kext_error) + + sig.eip_state_changed.connect(self._eip_status.update_vpn_state) + sig.eip_status_changed.connect(self._eip_status.update_vpn_status) + sig.eip_process_finished.connect(self._eip_finished) + sig.eip_network_unreachable.connect(self._on_eip_network_unreachable) + sig.eip_process_restart_tls.connect(self._do_eip_restart) + sig.eip_process_restart_ping.connect(self._do_eip_restart) + def _disconnect_and_untrack(self): """ Helper to disconnect the tracked signals. @@ -1495,7 +1485,7 @@ class MainWindow(QtGui.QMainWindow): self._action_eip_startstop.setEnabled(True) @QtCore.Slot() - def _on_eip_connected(self): + def _on_eip_connection_connected(self): """ SLOT TRIGGERS: @@ -1585,114 +1575,101 @@ class MainWindow(QtGui.QMainWindow): (default_provider,)) @QtCore.Slot() - def _start_eip(self): + def _start_EIP(self): """ - SLOT - TRIGGERS: - self._eip_connection.qtsigs.do_connect_signal - (via state machine) - or called from _finish_eip_bootstrap - Starts EIP """ - provider_config = self._get_best_provider_config() - provider = provider_config.get_domain() self._eip_status.eip_pre_up() self.user_stopped_eip = False - # until we set an option in the preferences window, - # we'll assume that by default we try to autostart. - # If we switch it off manually, it won't try the next - # time. + # Until we set an option in the preferences window, we'll assume that + # by default we try to autostart. If we switch it off manually, it + # won't try the next time. self._settings.set_autostart_eip(True) - loaded = eipconfig.load_eipconfig_if_needed( - provider_config, self._eip_config, provider) + self._backend.start_eip() - if not loaded: - eip_status_label = self.tr("Could not load {0} configuration.") - eip_status_label = eip_status_label.format(self._eip_name) - self._eip_status.set_eip_status(eip_status_label, error=True) - # signal connection aborted to state machine - qtsigs = self._eip_connection.qtsigs - qtsigs.connection_aborted_signal.emit() - logger.error("Tried to start EIP but cannot find any " - "available provider!") - return + def _on_eip_connection_aborted(self): + """ + SLOT + TRIGGERS: + Signaler.eip_connection_aborted + """ + logger.error("Tried to start EIP but cannot find any " + "available provider!") - try: - # XXX move this to EIPConductor - host, port = get_openvpn_management() - self._vpn.start(eipconfig=self._eip_config, - providerconfig=provider_config, - socket_host=host, - socket_port=port) - self._settings.set_defaultprovider(provider) - - # XXX move to the state machine too - self._eip_status.set_provider(provider) - - # TODO refactor exceptions so they provide translatable - # usef-facing messages. - except EIPNoPolkitAuthAgentAvailable: - self._eip_status.set_eip_status( - # XXX this should change to polkit-kde where - # applicable. - self.tr("We could not find any " - "authentication " - "agent in your system.<br/>" - "Make sure you have " - "<b>polkit-gnome-authentication-" - "agent-1</b> " - "running and try again."), - error=True) - self._set_eipstatus_off() - except EIPNoTunKextLoaded: - self._eip_status.set_eip_status( - self.tr("{0} cannot be started because " - "the tuntap extension is not installed properly " - "in your system.").format(self._eip_name)) - self._set_eipstatus_off() - except EIPNoPkexecAvailable: - self._eip_status.set_eip_status( - self.tr("We could not find <b>pkexec</b> " - "in your system."), - error=True) - self._set_eipstatus_off() - except OpenVPNNotFoundException: - self._eip_status.set_eip_status( - self.tr("We could not find openvpn binary."), - error=True) - self._set_eipstatus_off() - except OpenVPNAlreadyRunning as e: - self._eip_status.set_eip_status( - self.tr("Another openvpn instance is already running, and " - "could not be stopped."), - error=True) - self._set_eipstatus_off() - except AlienOpenVPNAlreadyRunning as e: - self._eip_status.set_eip_status( - self.tr("Another openvpn instance is already running, and " - "could not be stopped because it was not launched by " - "Bitmask. Please stop it and try again."), - error=True) - self._set_eipstatus_off() - except VPNLauncherException as e: - # XXX We should implement again translatable exceptions so - # we can pass a translatable string to the panel (usermessage attr) - self._eip_status.set_eip_status("%s" % (e,), error=True) - self._set_eipstatus_off() - else: - self._already_started_eip = True + eip_status_label = self.tr("Could not load {0} configuration.") + eip_status_label = eip_status_label.format(self._eip_name) + self._eip_status.set_eip_status(eip_status_label, error=True) + + # signal connection_aborted to state machine: + qtsigs = self._eip_connection.qtsigs + qtsigs.connection_aborted_signal.emit() + + def _on_eip_openvpn_already_running(self): + self._eip_status.set_eip_status( + self.tr("Another openvpn instance is already running, and " + "could not be stopped."), + error=True) + self._set_eipstatus_off() + + def _on_eip_alien_openvpn_already_running(self): + self._eip_status.set_eip_status( + self.tr("Another openvpn instance is already running, and " + "could not be stopped because it was not launched by " + "Bitmask. Please stop it and try again."), + error=True) + self._set_eipstatus_off() + + def _on_eip_openvpn_not_found_error(self): + self._eip_status.set_eip_status( + self.tr("We could not find openvpn binary."), + error=True) + self._set_eipstatus_off() + + def _on_eip_vpn_launcher_exception(self): + # XXX We should implement again translatable exceptions so + # we can pass a translatable string to the panel (usermessage attr) + self._eip_status.set_eip_status("VPN Launcher error.", error=True) + self._set_eipstatus_off() + + def _on_eip_no_polkit_agent_error(self): + self._eip_status.set_eip_status( + # XXX this should change to polkit-kde where + # applicable. + self.tr("We could not find any authentication agent in your " + "system.<br/>Make sure you have" + "<b>polkit-gnome-authentication-agent-1</b> running and" + "try again."), + error=True) + self._set_eipstatus_off() + + def _on_eip_no_pkexec_error(self): + self._eip_status.set_eip_status( + self.tr("We could not find <b>pkexec</b> in your system."), + error=True) + self._set_eipstatus_off() + + def _on_eip_no_tun_kext_error(self): + self._eip_status.set_eip_status( + self.tr("{0} cannot be started because the tuntap extension is " + "not installed properly in your " + "system.").format(self._eip_name)) + self._set_eipstatus_off() + + def _on_eip_connected(self): + # XXX move to the state machine too + self._eip_status.set_provider(provider) + + self._settings.set_defaultprovider(provider) + self._already_started_eip = True @QtCore.Slot() def _stop_eip(self): """ SLOT TRIGGERS: - self._eip_connection.qtsigs.do_disconnect_signal - (via state machine) - or called from _eip_finished + self._eip_connection.qtsigs.do_disconnect_signal (via state machine) Stops vpn process and makes gui adjustments to reflect the change of state. @@ -1701,7 +1678,7 @@ class MainWindow(QtGui.QMainWindow): :type abnormal: bool """ self.user_stopped_eip = True - self._vpn.terminate() + self._backend.stop_eip() self._set_eipstatus_off(False) self._already_started_eip = False @@ -1742,7 +1719,7 @@ class MainWindow(QtGui.QMainWindow): # for some reason, emitting the do_disconnect/do_connect # signals hangs the UI. self._stop_eip() - QtCore.QTimer.singleShot(2000, self._start_eip) + QtCore.QTimer.singleShot(2000, self._start_EIP) def _set_eipstatus_off(self, error=True): """ @@ -1756,7 +1733,7 @@ class MainWindow(QtGui.QMainWindow): """ SLOT TRIGGERS: - self._vpn.process_finished + Signaler.eip_process_finished Triggered when the EIP/VPN process finishes to set the UI accordingly. @@ -1792,8 +1769,8 @@ class MainWindow(QtGui.QMainWindow): "because you did not authenticate properly.") eip_status_label = eip_status_label.format(self._eip_name) self._eip_status.set_eip_status(eip_status_label, error=True) - self._vpn.killit() signal = qtsigs.connection_aborted_signal + self._backend.terminate_eip() elif exitCode != 0 or not self.user_stopped_eip: eip_status_label = self.tr("{0} finished in an unexpected manner!") @@ -1853,7 +1830,6 @@ class MainWindow(QtGui.QMainWindow): Starts the VPN thread if the eip configuration is properly loaded """ - leap_assert(self._eip_config, "We need an eip config!") passed = data[self._backend.PASSED_KEY] if not passed: @@ -1863,20 +1839,8 @@ class MainWindow(QtGui.QMainWindow): self._already_started_eip = False return - provider_config = self._get_best_provider_config() - domain = provider_config.get_domain() - - # XXX move check to _start_eip ? - loaded = eipconfig.load_eipconfig_if_needed( - provider_config, self._eip_config, domain) - - if loaded: - # DO START EIP Connection! - self._eip_connection.qtsigs.do_connect_signal.emit() - else: - eip_status_label = self.tr("Could not load {0} configuration.") - eip_status_label = eip_status_label.format(self._eip_name) - self._eip_status.set_eip_status(eip_status_label, error=True) + # DO START EIP Connection! + self._eip_connection.qtsigs.do_connect_signal.emit() def _eip_intermediate_stage(self, data): # TODO missing param @@ -2051,7 +2015,7 @@ class MainWindow(QtGui.QMainWindow): logger.error("No instance of soledad was found.") logger.debug('Terminating vpn') - self._vpn.terminate(shutdown=True) + self._backend.stop_eip(shutdown=True) self._cancel_ongoing_defers() @@ -2079,8 +2043,11 @@ class MainWindow(QtGui.QMainWindow): # Set this in case that the app is hidden QtGui.QApplication.setQuitOnLastWindowClosed(True) - self._backend.stop() self._cleanup_and_quit() + + # We queue the call to stop since we need to wait until EIP is stopped. + # Otherwise we may exit leaving an unmanaged openvpn process. + reactor.callLater(0, self._backend.stop) self._really_quit = True if self._wizard: diff --git a/src/leap/bitmask/services/eip/vpnprocess.py b/src/leap/bitmask/services/eip/vpnprocess.py index 4f797722..a17d94d2 100644 --- a/src/leap/bitmask/services/eip/vpnprocess.py +++ b/src/leap/bitmask/services/eip/vpnprocess.py @@ -33,8 +33,6 @@ except ImportError: # psutil >= 2.0.0 from psutil import AccessDenied as psutil_AccessDenied -from PySide import QtCore - from leap.bitmask.config import flags from leap.bitmask.config.providerconfig import ProviderConfig from leap.bitmask.services.eip import get_vpn_launcher @@ -53,28 +51,6 @@ from twisted.internet import error as internet_error from twisted.internet.task import LoopingCall -class VPNSignals(QtCore.QObject): - """ - These are the signals that we use to let the UI know - about the events we are polling. - They are instantiated in the VPN object and passed along - till the VPNProcess. - """ - # signals for the process - state_changed = QtCore.Signal(dict) - status_changed = QtCore.Signal(dict) - process_finished = QtCore.Signal(int) - - # signals that come from parsing - # openvpn output - network_unreachable = QtCore.Signal() - process_restart_tls = QtCore.Signal() - process_restart_ping = QtCore.Signal() - - def __init__(self): - QtCore.QObject.__init__(self) - - class VPNObserver(object): """ A class containing different patterns in the openvpn output that @@ -96,14 +72,8 @@ class VPNObserver(object): "Initialization Sequence Completed",), } - def __init__(self, qtsigs): - """ - Initializer. Keeps a reference to the passed qtsigs object - :param qtsigs: an object containing the different qt signals to - be used to communicate with different parts of - the application (the EIP state machine, for instance). - """ - self._qtsigs = qtsigs + def __init__(self, signaler=None): + self._signaler = signaler def watch(self, line): """ @@ -124,27 +94,29 @@ class VPNObserver(object): return sig = self._get_signal(event) - if sig: - sig.emit() + if sig is not None: + self._signaler.signal(sig) return else: - logger.debug( - 'We got %s event from openvpn output but we ' - 'could not find a matching signal for it.' - % event) + logger.debug('We got %s event from openvpn output but we could ' + 'not find a matching signal for it.' % event) def _get_signal(self, event): """ Tries to get the matching signal from the eip signals objects based on the name of the passed event (in lowercase) - :param event: the name of the event that we want to get a signal - for + :param event: the name of the event that we want to get a signal for :type event: str - :returns: a QtSignal, or None - :rtype: QtSignal or None + :returns: a Signaler signal or None + :rtype: str or None """ - return getattr(self._qtsigs, event.lower(), None) + signals = { + "network_unreachable": self._signaler.EIP_NETWORK_UNREACHABLE, + "process_restart_tls": self._signaler.EIP_PROCESS_RESTART_TLS, + "process_restart_ping": self._signaler.EIP_PROCESS_RESTART_PING, + } + return signals.get(event.lower()) class OpenVPNAlreadyRunning(Exception): @@ -182,14 +154,10 @@ class VPN(object): self._vpnproc = None self._pollers = [] self._reactor = reactor - self._qtsigs = VPNSignals() + self._signaler = kwargs['signaler'] self._openvpn_verb = flags.OPENVPN_VERBOSITY - @property - def qtsigs(self): - return self._qtsigs - def start(self, *args, **kwargs): """ Starts the openvpn subprocess. @@ -200,14 +168,13 @@ class VPN(object): :param kwargs: kwargs to be passed to the VPNProcess :type kwargs: dict """ + logger.debug('VPN: start') self._stop_pollers() - kwargs['qtsigs'] = self.qtsigs kwargs['openvpn_verb'] = self._openvpn_verb + kwargs['signaler'] = self._signaler # start the main vpn subprocess vpnproc = VPNProcess(*args, **kwargs) - #qtsigs=self.qtsigs, - #openvpn_verb=self._openvpn_verb) if vpnproc.get_openvpn_process(): logger.info("Another vpn process is running. Will try to stop it.") @@ -328,37 +295,21 @@ class VPNManager(object): POLL_TIME = 2.5 if IS_MAC else 1.0 CONNECTION_RETRY_TIME = 1 - TS_KEY = "ts" - STATUS_STEP_KEY = "status_step" - OK_KEY = "ok" - IP_KEY = "ip" - REMOTE_KEY = "remote" - - TUNTAP_READ_KEY = "tun_tap_read" - TUNTAP_WRITE_KEY = "tun_tap_write" - TCPUDP_READ_KEY = "tcp_udp_read" - TCPUDP_WRITE_KEY = "tcp_udp_write" - AUTH_READ_KEY = "auth_read" - - def __init__(self, qtsigs=None): + def __init__(self, signaler=None): """ Initializes the VPNManager. - :param qtsigs: a QObject containing the Qt signals used by the UI - to give feedback about state changes. - :type qtsigs: QObject + :param signaler: Signaler object used to send notifications to the + backend + :type signaler: backend.Signaler """ from twisted.internet import reactor self._reactor = reactor self._tn = None - self._qtsigs = qtsigs + self._signaler = signaler self._aborted = False @property - def qtsigs(self): - return self._qtsigs - - @property def aborted(self): return self._aborted @@ -552,17 +503,10 @@ class VPNManager(object): continue ts, status_step, ok, ip, remote = parts - state_dict = { - self.TS_KEY: ts, - self.STATUS_STEP_KEY: status_step, - self.OK_KEY: ok, - self.IP_KEY: ip, - self.REMOTE_KEY: remote - } - - if state_dict != self._last_state: - self.qtsigs.state_changed.emit(state_dict) - self._last_state = state_dict + state = status_step + if state != self._last_state: + self._signaler.signal(self._signaler.EIP_STATE_CHANGED, state) + self._last_state = state def _parse_status_and_notify(self, output): """ @@ -575,9 +519,7 @@ class VPNManager(object): """ tun_tap_read = "" tun_tap_write = "" - tcp_udp_read = "" - tcp_udp_write = "" - auth_read = "" + for line in output: stripped = line.strip() if stripped.endswith("STATISTICS") or stripped == "END": @@ -585,28 +527,24 @@ class VPNManager(object): parts = stripped.split(",") if len(parts) < 2: continue - if parts[0].strip() == "TUN/TAP read bytes": - tun_tap_read = parts[1] - elif parts[0].strip() == "TUN/TAP write bytes": - tun_tap_write = parts[1] - elif parts[0].strip() == "TCP/UDP read bytes": - tcp_udp_read = parts[1] - elif parts[0].strip() == "TCP/UDP write bytes": - tcp_udp_write = parts[1] - elif parts[0].strip() == "Auth read bytes": - auth_read = parts[1] - - status_dict = { - self.TUNTAP_READ_KEY: tun_tap_read, - self.TUNTAP_WRITE_KEY: tun_tap_write, - self.TCPUDP_READ_KEY: tcp_udp_read, - self.TCPUDP_WRITE_KEY: tcp_udp_write, - self.AUTH_READ_KEY: auth_read - } - if status_dict != self._last_status: - self.qtsigs.status_changed.emit(status_dict) - self._last_status = status_dict + text, value = parts + # text can be: + # "TUN/TAP read bytes" + # "TUN/TAP write bytes" + # "TCP/UDP read bytes" + # "TCP/UDP write bytes" + # "Auth read bytes" + + if text == "TUN/TAP read bytes": + tun_tap_read = value + elif text == "TUN/TAP write bytes": + tun_tap_write = value + + status = (tun_tap_write, tun_tap_read) + if status != self._last_status: + self._signaler.signal(self._signaler.EIP_STATUS_CHANGED, status) + self._last_status = status def get_state(self): """ @@ -754,7 +692,7 @@ class VPNProcess(protocol.ProcessProtocol, VPNManager): """ def __init__(self, eipconfig, providerconfig, socket_host, socket_port, - qtsigs, openvpn_verb): + signaler, openvpn_verb): """ :param eipconfig: eip configuration object :type eipconfig: EIPConfig @@ -769,18 +707,17 @@ class VPNProcess(protocol.ProcessProtocol, VPNManager): socket, or port otherwise :type socket_port: str - :param qtsigs: a QObject containing the Qt signals used to notify the - UI. - :type qtsigs: QObject + :param signaler: Signaler object used to receive notifications to the + backend + :type signaler: backend.Signaler :param openvpn_verb: the desired level of verbosity in the openvpn invocation :type openvpn_verb: int """ - VPNManager.__init__(self, qtsigs=qtsigs) + VPNManager.__init__(self, signaler=signaler) leap_assert_type(eipconfig, EIPConfig) leap_assert_type(providerconfig, ProviderConfig) - leap_assert_type(qtsigs, QtCore.QObject) #leap_assert(not self.isRunning(), "Starting process more than once!") @@ -799,7 +736,7 @@ class VPNProcess(protocol.ProcessProtocol, VPNManager): # the parameter around. self._openvpn_verb = openvpn_verb - self._vpn_observer = VPNObserver(qtsigs) + self._vpn_observer = VPNObserver(signaler) # processProtocol methods @@ -835,7 +772,7 @@ class VPNProcess(protocol.ProcessProtocol, VPNManager): exit_code = reason.value.exitCode if isinstance(exit_code, int): logger.debug("processExited, status %d" % (exit_code,)) - self.qtsigs.process_finished.emit(exit_code) + self._signaler.signal(self._signaler.EIP_PROCESS_FINISHED, exit_code) self._alive = False def processEnded(self, reason): |