102
103
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
104
 
    def _property_changed(self, property, value):
 
105
 
        """Helper which takes positional arguments"""
 
106
 
        return self.property_changed(property=property, value=value)
 
108
 
    def property_changed(self, property=None, value=None):
 
109
 
        """This is called whenever we get a PropertyChanged signal
 
110
 
        It updates the changed property in the "properties" dict.
 
 
105
    def properties_changed(self, interface, properties, invalidated):
 
 
106
        """This is called whenever we get a PropertiesChanged signal
 
 
107
        It updates the changed properties in the "properties" dict.
 
112
109
        # Update properties dict with new value
 
113
 
        self.properties[property] = value
 
 
110
        if interface == client_interface:
 
 
111
            self.properties.update(properties)
 
115
113
    def delete(self):
 
116
114
        self.property_changed_match.remove()
 
 
172
170
        if flag and self._update_timer_callback_tag is None:
 
173
171
            # Will update the shown timer value every second
 
174
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
 
172
            self._update_timer_callback_tag = (GLib.timeout_add
 
176
174
                                                self.update_timer))
 
177
175
        elif not (flag or self._update_timer_callback_tag is None):
 
178
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
176
            GLib.source_remove(self._update_timer_callback_tag)
 
179
177
            self._update_timer_callback_tag = None
 
181
179
    def checker_completed(self, exitstatus, condition, command):
 
182
180
        if exitstatus == 0:
 
 
181
            self.logger('Checker for client {} (command "{}")'
 
 
182
                        ' succeeded'.format(self.properties["Name"],
 
186
187
        if os.WIFEXITED(condition):
 
187
 
            self.logger('Checker for client {0} (command "{1}")'
 
188
 
                        ' failed with exit code {2}'
 
 
188
            self.logger('Checker for client {} (command "{}") failed'
 
189
190
                        .format(self.properties["Name"], command,
 
190
191
                                os.WEXITSTATUS(condition)))
 
191
192
        elif os.WIFSIGNALED(condition):
 
192
 
            self.logger('Checker for client {0} (command "{1}") was'
 
193
 
                        ' killed by signal {2}'
 
 
193
            self.logger('Checker for client {} (command "{}") was'
 
 
194
                        ' killed by signal {}'
 
194
195
                        .format(self.properties["Name"], command,
 
195
196
                                os.WTERMSIG(condition)))
 
196
 
        elif os.WCOREDUMP(condition):
 
197
 
            self.logger('Checker for client {0} (command "{1}")'
 
199
 
                        .format(self.properties["Name"], command))
 
201
 
            self.logger('Checker for client {0} completed'
 
203
 
                        .format(self.properties["Name"]))
 
206
199
    def checker_started(self, command):
 
207
 
        """Server signals that a checker started. This could be useful
 
208
 
           to log in the future. """
 
209
 
        #self.logger('Client {0} started checker "{1}"'
 
210
 
        #            .format(self.properties["Name"],
 
 
200
        """Server signals that a checker started."""
 
 
201
        self.logger('Client {} started checker "{}"'
 
 
202
                    .format(self.properties["Name"],
 
214
205
    def got_secret(self):
 
215
 
        self.logger('Client {0} received its secret'
 
 
206
        self.logger('Client {} received its secret'
 
216
207
                    .format(self.properties["Name"]))
 
218
209
    def need_approval(self, timeout, default):
 
220
 
            message = 'Client {0} needs approval within {1} seconds'
 
 
211
            message = 'Client {} needs approval within {} seconds'
 
222
 
            message = 'Client {0} will get its secret in {1} seconds'
 
 
213
            message = 'Client {} will get its secret in {} seconds'
 
223
214
        self.logger(message.format(self.properties["Name"],
 
226
217
    def rejected(self, reason):
 
227
 
        self.logger('Client {0} was rejected; reason: {1}'
 
 
218
        self.logger('Client {} was rejected; reason: {}'
 
228
219
                    .format(self.properties["Name"], reason))
 
230
221
    def selectable(self):
 
 
275
266
                timer = datetime.timedelta()
 
276
267
            if self.properties["ApprovedByDefault"]:
 
277
 
                message = "Approval in {0}. (d)eny?"
 
 
268
                message = "Approval in {}. (d)eny?"
 
279
 
                message = "Denial in {0}. (a)pprove?"
 
 
270
                message = "Denial in {}. (a)pprove?"
 
280
271
            message = message.format(str(timer).rsplit(".", 1)[0])
 
281
272
            self.using_timer(True)
 
282
273
        elif self.properties["LastCheckerStatus"] != 0:
 
 
290
281
                timer = max(expires - datetime.datetime.utcnow(),
 
291
282
                            datetime.timedelta())
 
292
283
            message = ('A checker has failed! Time until client'
 
293
 
                       ' gets disabled: {0}'
 
294
285
                       .format(str(timer).rsplit(".", 1)[0]))
 
295
286
            self.using_timer(True)
 
297
288
            message = "enabled"
 
298
289
            self.using_timer(False)
 
299
 
        self._text = "{0}{1}".format(base, message)
 
 
290
        self._text = "{}{}".format(base, message)
 
301
292
        if not urwid.supports_unicode():
 
302
293
            self._text = self._text.encode("ascii", "replace")
 
 
315
306
            self.update_hook()
 
317
308
    def update_timer(self):
 
318
 
        """called by gobject. Will indefinitely loop until
 
319
 
        gobject.source_remove() on tag is called"""
 
 
309
        """called by GLib. Will indefinitely loop until
 
 
310
        GLib.source_remove() on tag is called
 
321
313
        return True             # Keep calling this
 
323
315
    def delete(self, **kwargs):
 
324
316
        if self._update_timer_callback_tag is not None:
 
325
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
317
            GLib.source_remove(self._update_timer_callback_tag)
 
326
318
            self._update_timer_callback_tag = None
 
327
319
        for match in self.match_objects:
 
 
342
334
        This overrides the method from urwid.FlowWidget"""
 
344
 
            self.proxy.Enable(dbus_interface = client_interface,
 
 
336
            self.proxy.Set(client_interface, "Enabled",
 
 
337
                           dbus.Boolean(True), ignore_reply = True,
 
 
338
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
347
 
            self.proxy.Disable(dbus_interface = client_interface,
 
 
340
            self.proxy.Set(client_interface, "Enabled", False,
 
 
342
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
350
344
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
351
345
                               dbus_interface = client_interface,
 
 
360
354
                                                  ignore_reply=True)
 
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
356
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
357
                           dbus.Boolean(True), ignore_reply = True,
 
 
358
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
360
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
361
                           dbus.Boolean(False), ignore_reply = True,
 
 
362
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
368
364
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
369
365
                                 ignore_reply=True)
 
 
380
 
    def property_changed(self, property=None, **kwargs):
 
381
 
        """Call self.update() if old value is not new value.
 
 
376
    def properties_changed(self, interface, properties, invalidated):
 
 
377
        """Call self.update() if any properties changed.
 
382
378
        This overrides the method from MandosClientPropertyCache"""
 
383
 
        property_name = str(property)
 
384
 
        old_value = self.properties.get(property_name)
 
385
 
        super(MandosClientWidget, self).property_changed(
 
386
 
            property=property, **kwargs)
 
387
 
        if self.properties.get(property_name) != old_value:
 
 
379
        old_values = { key: self.properties.get(key)
 
 
380
                       for key in properties.keys() }
 
 
381
        super(MandosClientWidget, self).properties_changed(
 
 
382
            interface, properties, invalidated)
 
 
383
        if any(old_values[key] != self.properties.get(key)
 
 
384
               for key in old_values):
 
 
404
401
    """This is the entire user interface - the whole screen
 
405
402
    with boxes, lists of client widgets, etc.
 
407
 
    def __init__(self, max_log_length=1000):
 
 
404
    def __init__(self, max_log_length=1000, log_level=1):
 
408
405
        DBusGMainLoop(set_as_default=True)
 
410
407
        self.screen = urwid.curses_display.Screen()
 
 
464
463
                              "q: Quit  ?: Help"))
 
466
465
        self.busname = domain + '.Mandos'
 
467
 
        self.main_loop = gobject.MainLoop()
 
 
466
        self.main_loop = GLib.MainLoop()
 
469
468
    def client_not_found(self, fingerprint, address):
 
470
 
        self.log_message("Client with address {0} and fingerprint"
 
471
 
                         " {1} could not be found"
 
 
469
        self.log_message("Client with address {} and fingerprint {}"
 
 
470
                         " could not be found"
 
472
471
                         .format(address, fingerprint))
 
474
473
    def rebuild(self):
 
 
487
486
            self.uilist.append(self.logbox)
 
488
487
        self.topwidget = urwid.Pile(self.uilist)
 
490
 
    def log_message(self, message):
 
 
489
    def log_message(self, message, level=1):
 
491
490
        """Log message formatted with timestamp"""
 
 
491
        if level < self.log_level:
 
492
493
        timestamp = datetime.datetime.now().isoformat()
 
493
 
        self.log_message_raw(timestamp + ": " + message)
 
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
 
495
 
    def log_message_raw(self, markup):
 
 
497
    def log_message_raw(self, markup, level=1):
 
496
498
        """Add a log message to the log buffer."""
 
 
499
        if level < self.log_level:
 
497
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
498
502
        if (self.max_log_length
 
499
503
            and len(self.log) > self.max_log_length):
 
 
506
510
        """Toggle visibility of the log buffer."""
 
507
511
        self.log_visible = not self.log_visible
 
509
 
        #self.log_message("Log visibility changed to: "
 
510
 
        #                 + str(self.log_visible))
 
 
513
        self.log_message("Log visibility changed to: {}"
 
 
514
                         .format(self.log_visible), level=0)
 
512
516
    def change_log_display(self):
 
513
517
        """Change type of log display.
 
 
518
522
            self.log_wrap = "clip"
 
519
523
        for textwidget in self.log:
 
520
524
            textwidget.set_wrap_mode(self.log_wrap)
 
521
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
523
 
    def find_and_remove_client(self, path, name):
 
 
528
    def find_and_remove_client(self, path, interfaces):
 
524
529
        """Find a client by its object path and remove it.
 
526
 
        This is connected to the ClientRemoved signal from the
 
 
531
        This is connected to the InterfacesRemoved signal from the
 
527
532
        Mandos server object."""
 
 
533
        if client_interface not in interfaces:
 
 
534
            # Not a Mandos client object; ignore
 
529
537
            client = self.clients_dict[path]
 
532
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
 
540
            self.log_message("Unknown client {!r} removed"
 
537
 
    def add_new_client(self, path):
 
 
545
    def add_new_client(self, path, ifs_and_props):
 
 
546
        """Find a client by its object path and remove it.
 
 
548
        This is connected to the InterfacesAdded signal from the
 
 
549
        Mandos server object.
 
 
551
        if client_interface not in ifs_and_props:
 
 
552
            # Not a Mandos client object; ignore
 
538
554
        client_proxy_object = self.bus.get_object(self.busname, path)
 
539
555
        self.add_client(MandosClientWidget(server_proxy_object
 
540
556
                                           =self.mandos_serv,
 
 
586
605
            mandos_clients = dbus.Dictionary()
 
588
607
        (self.mandos_serv
 
589
 
         .connect_to_signal("ClientRemoved",
 
 
608
         .connect_to_signal("InterfacesRemoved",
 
590
609
                            self.find_and_remove_client,
 
591
 
                            dbus_interface=server_interface,
 
 
611
                            = dbus.OBJECT_MANAGER_IFACE,
 
592
612
                            byte_arrays=True))
 
593
613
        (self.mandos_serv
 
594
 
         .connect_to_signal("ClientAdded",
 
 
614
         .connect_to_signal("InterfacesAdded",
 
595
615
                            self.add_new_client,
 
596
 
                            dbus_interface=server_interface,
 
 
617
                            = dbus.OBJECT_MANAGER_IFACE,
 
597
618
                            byte_arrays=True))
 
598
619
        (self.mandos_serv
 
599
620
         .connect_to_signal("ClientNotFound",