87
91
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
88
 
        self.proxy = proxy_object # Mandos Client proxy object
 
 
92
        self.proxy = proxy_object  # Mandos Client proxy object
 
89
93
        self.properties = dict() if properties is None else properties
 
90
94
        self.property_changed_match = (
 
91
 
            self.proxy.connect_to_signal("PropertyChanged",
 
92
 
                                         self._property_changed,
 
 
95
            self.proxy.connect_to_signal("PropertiesChanged",
 
 
96
                                         self.properties_changed,
 
 
97
                                         dbus.PROPERTIES_IFACE,
 
96
100
        if properties is None:
 
97
 
            self.properties.update(
 
98
 
                self.proxy.GetAll(client_interface,
 
100
 
                                  = dbus.PROPERTIES_IFACE))
 
 
101
            self.properties.update(self.proxy.GetAll(
 
 
103
                dbus_interface=dbus.PROPERTIES_IFACE))
 
102
105
        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.
 
 
107
    def properties_changed(self, interface, properties, invalidated):
 
 
108
        """This is called whenever we get a PropertiesChanged signal
 
 
109
        It updates the changed properties in the "properties" dict.
 
112
111
        # Update properties dict with new value
 
113
 
        self.properties[property] = value
 
 
112
        if interface == client_interface:
 
 
113
            self.properties.update(properties)
 
115
115
    def delete(self):
 
116
116
        self.property_changed_match.remove()
 
 
163
163
                                         client_interface,
 
164
164
                                         byte_arrays=True))
 
165
 
        #self.logger('Created client {0}'
 
166
 
        #            .format(self.properties["Name"]))
 
 
165
        self.logger('Created client {}'
 
 
166
                    .format(self.properties["Name"]), level=0)
 
168
168
    def using_timer(self, flag):
 
169
169
        """Call this method with True or False when timer should be
 
170
170
        activated or deactivated.
 
172
172
        if flag and self._update_timer_callback_tag is None:
 
173
173
            # Will update the shown timer value every second
 
174
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
 
174
            self._update_timer_callback_tag = (GLib.timeout_add
 
176
176
                                                self.update_timer))
 
177
177
        elif not (flag or self._update_timer_callback_tag is None):
 
178
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
178
            GLib.source_remove(self._update_timer_callback_tag)
 
179
179
            self._update_timer_callback_tag = None
 
181
181
    def checker_completed(self, exitstatus, condition, command):
 
182
182
        if exitstatus == 0:
 
 
183
            self.logger('Checker for client {} (command "{}")'
 
 
184
                        ' succeeded'.format(self.properties["Name"],
 
186
189
        if os.WIFEXITED(condition):
 
187
 
            self.logger('Checker for client {0} (command "{1}")'
 
188
 
                        ' failed with exit code {2}'
 
 
190
            self.logger('Checker for client {} (command "{}") failed'
 
189
192
                        .format(self.properties["Name"], command,
 
190
193
                                os.WEXITSTATUS(condition)))
 
191
194
        elif os.WIFSIGNALED(condition):
 
192
 
            self.logger('Checker for client {0} (command "{1}") was'
 
193
 
                        ' killed by signal {2}'
 
 
195
            self.logger('Checker for client {} (command "{}") was'
 
 
196
                        ' killed by signal {}'
 
194
197
                        .format(self.properties["Name"], command,
 
195
198
                                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
201
    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"],
 
 
202
        """Server signals that a checker started."""
 
 
203
        self.logger('Client {} started checker "{}"'
 
 
204
                    .format(self.properties["Name"],
 
214
207
    def got_secret(self):
 
215
 
        self.logger('Client {0} received its secret'
 
 
208
        self.logger('Client {} received its secret'
 
216
209
                    .format(self.properties["Name"]))
 
218
211
    def need_approval(self, timeout, default):
 
220
 
            message = 'Client {0} needs approval within {1} seconds'
 
 
213
            message = 'Client {} needs approval within {} seconds'
 
222
 
            message = 'Client {0} will get its secret in {1} seconds'
 
 
215
            message = 'Client {} will get its secret in {} seconds'
 
223
216
        self.logger(message.format(self.properties["Name"],
 
226
219
    def rejected(self, reason):
 
227
 
        self.logger('Client {0} was rejected; reason: {1}'
 
 
220
        self.logger('Client {} was rejected; reason: {}'
 
228
221
                    .format(self.properties["Name"], reason))
 
230
223
    def selectable(self):
 
231
224
        """Make this a "selectable" widget.
 
232
225
        This overrides the method from urwid.FlowWidget."""
 
235
228
    def rows(self, maxcolrow, focus=False):
 
236
229
        """How many rows this widget will occupy might depend on
 
237
230
        whether we have focus or not.
 
238
231
        This overrides the method from urwid.FlowWidget"""
 
239
232
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
241
234
    def current_widget(self, focus=False):
 
242
235
        if focus or self.opened:
 
243
236
            return self._focus_widget
 
244
237
        return self._widget
 
246
239
    def update(self):
 
247
240
        "Called when what is visible on the screen should be updated."
 
248
241
        # How to add standout mode to a style
 
249
 
        with_standout = { "normal": "standout",
 
250
 
                          "bold": "bold-standout",
 
252
 
                              "underline-blink-standout",
 
253
 
                          "bold-underline-blink":
 
254
 
                              "bold-underline-blink-standout",
 
 
242
        with_standout = {"normal": "standout",
 
 
243
                         "bold": "bold-standout",
 
 
245
                         "underline-blink-standout",
 
 
246
                         "bold-underline-blink":
 
 
247
                         "bold-underline-blink-standout",
 
257
250
        # Rebuild focus and non-focus widgets using current properties
 
259
252
        # Base part of a client. Name!
 
260
253
        base = '{name}: '.format(name=self.properties["Name"])
 
261
254
        if not self.properties["Enabled"]:
 
262
255
            message = "DISABLED"
 
263
256
            self.using_timer(False)
 
264
257
        elif self.properties["ApprovalPending"]:
 
265
 
            timeout = datetime.timedelta(milliseconds
 
 
258
            timeout = datetime.timedelta(
 
 
259
                milliseconds=self.properties["ApprovalDelay"])
 
268
260
            last_approval_request = isoformat_to_datetime(
 
269
261
                self.properties["LastApprovalRequest"])
 
270
262
            if last_approval_request is not None:
 
 
330
323
        if self.delete_hook is not None:
 
331
324
            self.delete_hook(self)
 
332
325
        return super(MandosClientWidget, self).delete(**kwargs)
 
334
327
    def render(self, maxcolrow, focus=False):
 
335
328
        """Render differently if we have focus.
 
336
329
        This overrides the method from urwid.FlowWidget"""
 
337
330
        return self.current_widget(focus).render(maxcolrow,
 
340
333
    def keypress(self, maxcolrow, key):
 
342
335
        This overrides the method from urwid.FlowWidget"""
 
344
 
            self.proxy.Enable(dbus_interface = client_interface,
 
 
337
            self.proxy.Set(client_interface, "Enabled",
 
 
338
                           dbus.Boolean(True), ignore_reply=True,
 
 
339
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
347
 
            self.proxy.Disable(dbus_interface = client_interface,
 
 
341
            self.proxy.Set(client_interface, "Enabled", False,
 
 
343
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
350
345
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
351
 
                               dbus_interface = client_interface,
 
 
346
                               dbus_interface=client_interface,
 
352
347
                               ignore_reply=True)
 
354
349
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
355
 
                                  dbus_interface = client_interface,
 
 
350
                               dbus_interface=client_interface,
 
356
351
                               ignore_reply=True)
 
357
352
        elif key == "R" or key == "_" or key == "ctrl k":
 
358
353
            self.server_proxy_object.RemoveClient(self.proxy
 
360
355
                                                  ignore_reply=True)
 
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
357
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
358
                           dbus.Boolean(True), ignore_reply=True,
 
 
359
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
361
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
362
                           dbus.Boolean(False), ignore_reply=True,
 
 
363
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
368
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
 
365
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
369
366
                                 ignore_reply=True)
 
371
368
#         elif key == "p" or key == "=":
 
 
380
 
    def property_changed(self, property=None, **kwargs):
 
381
 
        """Call self.update() if old value is not new value.
 
 
377
    def properties_changed(self, interface, properties, invalidated):
 
 
378
        """Call self.update() if any properties changed.
 
382
379
        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:
 
 
380
        old_values = {key: self.properties.get(key)
 
 
381
                      for key in properties.keys()}
 
 
382
        super(MandosClientWidget, self).properties_changed(
 
 
383
            interface, properties, invalidated)
 
 
384
        if any(old_values[key] != self.properties.get(key)
 
 
385
               for key in old_values):
 
 
429
429
                 "bold,underline,blink,standout", "default",
 
430
430
                 "bold,underline,blink,standout"),
 
433
433
        if urwid.supports_unicode():
 
434
 
            self.divider = "─" # \u2500
 
435
 
            #self.divider = "━" # \u2501
 
 
434
            self.divider = "─"  # \u2500
 
437
 
            #self.divider = "-" # \u002d
 
438
 
            self.divider = "_" # \u005f
 
 
436
            self.divider = "_"  # \u005f
 
440
438
        self.screen.start()
 
442
440
        self.size = self.screen.get_cols_rows()
 
444
442
        self.clients = urwid.SimpleListWalker([])
 
445
443
        self.clients_dict = {}
 
447
445
        # We will add Text widgets to this list
 
449
447
        self.max_log_length = max_log_length
 
 
449
        self.log_level = log_level
 
451
451
        # We keep a reference to the log widget so we can remove it
 
452
452
        # from the ListWalker without it getting destroyed
 
453
453
        self.logbox = ConstrainedListBox(self.log)
 
455
455
        # This keeps track of whether self.uilist currently has
 
456
456
        # self.logbox in it or not
 
457
457
        self.log_visible = True
 
458
458
        self.log_wrap = "any"
 
461
461
        self.log_message_raw(("bold",
 
462
462
                              "Mandos Monitor version " + version))
 
463
463
        self.log_message_raw(("bold",
 
464
464
                              "q: Quit  ?: Help"))
 
466
466
        self.busname = domain + '.Mandos'
 
467
 
        self.main_loop = gobject.MainLoop()
 
 
467
        self.main_loop = GLib.MainLoop()
 
469
469
    def client_not_found(self, fingerprint, address):
 
470
 
        self.log_message("Client with address {0} and fingerprint"
 
471
 
                         " {1} could not be found"
 
 
470
        self.log_message("Client with address {} and fingerprint {}"
 
 
471
                         " could not be found"
 
472
472
                         .format(address, fingerprint))
 
474
474
    def rebuild(self):
 
475
475
        """This rebuilds the User Interface.
 
476
476
        Call this when the widget layout needs to change"""
 
478
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
478
        # self.uilist.append(urwid.ListBox(self.clients))
 
479
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
481
 
                                       #header=urwid.Divider(),
 
 
481
                                       # header=urwid.Divider(),
 
484
 
                                       urwid.Divider(div_char=
 
 
483
                                       footer=urwid.Divider(
 
 
484
                                           div_char=self.divider)))
 
486
485
        if self.log_visible:
 
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)
 
495
 
    def log_message_raw(self, markup):
 
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
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
 
        if (self.max_log_length
 
499
 
            and len(self.log) > self.max_log_length):
 
500
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
502
        if self.max_log_length:
 
 
503
            if len(self.log) > self.max_log_length:
 
 
504
                del self.log[0:len(self.log)-self.max_log_length-1]
 
501
505
        self.logbox.set_focus(len(self.logbox.body.contents),
 
502
506
                              coming_from="above")
 
505
509
    def toggle_log_display(self):
 
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.
 
514
518
        Currently, this toggles wrapping of text lines."""
 
 
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)
 
523
 
    def find_and_remove_client(self, path, name):
 
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
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
 
        self.add_client(MandosClientWidget(server_proxy_object
 
542
 
                                           =client_proxy_object,
 
 
555
        self.add_client(MandosClientWidget(
 
 
556
            server_proxy_object=self.mandos_serv,
 
 
557
            proxy_object=client_proxy_object,
 
 
558
            update_hook=self.refresh,
 
 
559
            delete_hook=self.remove_client,
 
 
560
            logger=self.log_message,
 
 
561
            properties=dict(ifs_and_props[client_interface])),
 
551
564
    def add_client(self, client, path=None):
 
552
565
        self.clients.append(client)
 
 
555
568
        self.clients_dict[path] = client
 
556
569
        self.clients.sort(key=lambda c: c.properties["Name"])
 
559
572
    def remove_client(self, client, path=None):
 
560
573
        self.clients.remove(client)
 
562
575
            path = client.proxy.object_path
 
563
576
        del self.clients_dict[path]
 
566
579
    def refresh(self):
 
567
580
        """Redraw the screen"""
 
568
581
        canvas = self.topwidget.render(self.size, focus=True)
 
569
582
        self.screen.draw_screen(self.size, canvas)
 
572
585
        """Start the main loop and exit when it's done."""
 
573
586
        self.bus = dbus.SystemBus()
 
574
587
        mandos_dbus_objc = self.bus.get_object(
 
575
588
            self.busname, "/", follow_name_owner_changes=True)
 
576
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
589
        self.mandos_serv = dbus.Interface(
 
 
590
            mandos_dbus_objc, dbus_interface=server_interface)
 
580
592
            mandos_clients = (self.mandos_serv
 
581
593
                              .GetAllClientsWithProperties())
 
582
594
            if not mandos_clients:
 
583
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
 
595
                self.log_message_raw(("bold",
 
 
596
                                      "Note: Server has no clients."))
 
584
597
        except dbus.exceptions.DBusException:
 
585
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
 
598
            self.log_message_raw(("bold",
 
 
599
                                  "Note: No Mandos server running."))
 
586
600
            mandos_clients = dbus.Dictionary()
 
588
602
        (self.mandos_serv
 
589
 
         .connect_to_signal("ClientRemoved",
 
 
603
         .connect_to_signal("InterfacesRemoved",
 
590
604
                            self.find_and_remove_client,
 
591
 
                            dbus_interface=server_interface,
 
 
605
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
592
606
                            byte_arrays=True))
 
593
607
        (self.mandos_serv
 
594
 
         .connect_to_signal("ClientAdded",
 
 
608
         .connect_to_signal("InterfacesAdded",
 
595
609
                            self.add_new_client,
 
596
 
                            dbus_interface=server_interface,
 
 
610
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
597
611
                            byte_arrays=True))
 
598
612
        (self.mandos_serv
 
599
613
         .connect_to_signal("ClientNotFound",
 
 
603
617
        for path, client in mandos_clients.items():
 
604
618
            client_proxy_object = self.bus.get_object(self.busname,
 
606
 
            self.add_client(MandosClientWidget(server_proxy_object
 
609
 
                                               =client_proxy_object,
 
 
620
            self.add_client(MandosClientWidget(
 
 
621
                server_proxy_object=self.mandos_serv,
 
 
622
                proxy_object=client_proxy_object,
 
 
624
                update_hook=self.refresh,
 
 
625
                delete_hook=self.remove_client,
 
 
626
                logger=self.log_message),
 
620
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
630
        self._input_callback_tag = (GLib.io_add_watch
 
621
631
                                    (sys.stdin.fileno(),
 
623
633
                                     self.process_input))
 
624
634
        self.main_loop.run()
 
625
635
        # Main loop has finished, we should close everything now
 
626
 
        gobject.source_remove(self._input_callback_tag)
 
 
636
        GLib.source_remove(self._input_callback_tag)
 
627
637
        self.screen.stop()
 
630
640
        self.main_loop.quit()
 
632
642
    def process_input(self, source, condition):
 
633
643
        keys = self.screen.get_input()
 
634
 
        translations = { "ctrl n": "down",      # Emacs
 
635
 
                         "ctrl p": "up",        # Emacs
 
636
 
                         "ctrl v": "page down", # Emacs
 
637
 
                         "meta v": "page up",   # Emacs
 
638
 
                         " ": "page down",      # less
 
639
 
                         "f": "page down",      # less
 
640
 
                         "b": "page up",        # less
 
 
644
        translations = {"ctrl n": "down",       # Emacs
 
 
645
                        "ctrl p": "up",         # Emacs
 
 
646
                        "ctrl v": "page down",  # Emacs
 
 
647
                        "meta v": "page up",    # Emacs
 
 
648
                        " ": "page down",       # less
 
 
649
                        "f": "page down",       # less
 
 
650
                        "b": "page up",         # less
 
646
656
                key = translations[key]
 
647
657
            except KeyError:    # :-)
 
650
660
            if key == "q" or key == "Q":
 
653
663
            elif key == "window resize":
 
654
664
                self.size = self.screen.get_cols_rows()
 
656
 
            elif key == "\f":  # Ctrl-L
 
 
666
            elif key == "ctrl l":
 
658
669
            elif key == "l" or key == "D":
 
659
670
                self.toggle_log_display()
 
 
691
704
                    self.topwidget.set_focus(self.logbox)
 
693
 
            #elif (key == "end" or key == "meta >" or key == "G"
 
695
 
            #    pass            # xxx end-of-buffer
 
696
 
            #elif (key == "home" or key == "meta <" or key == "g"
 
698
 
            #    pass            # xxx beginning-of-buffer
 
699
 
            #elif key == "ctrl e" or key == "$":
 
700
 
            #    pass            # xxx move-end-of-line
 
701
 
            #elif key == "ctrl a" or key == "^":
 
702
 
            #    pass            # xxx move-beginning-of-line
 
703
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
705
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
708
 
            #    pass            # scroll up log
 
710
 
            #    pass            # scroll down log
 
 
707
                if self.log_level == 0:
 
 
709
                    self.log_message("Verbose mode: Off")
 
 
712
                    self.log_message("Verbose mode: On")
 
 
713
            # elif (key == "end" or key == "meta >" or key == "G"
 
 
715
            #     pass            # xxx end-of-buffer
 
 
716
            # elif (key == "home" or key == "meta <" or key == "g"
 
 
718
            #     pass            # xxx beginning-of-buffer
 
 
719
            # elif key == "ctrl e" or key == "$":
 
 
720
            #     pass            # xxx move-end-of-line
 
 
721
            # elif key == "ctrl a" or key == "^":
 
 
722
            #     pass            # xxx move-beginning-of-line
 
 
723
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
725
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
728
            #     pass            # scroll up log
 
 
730
            #     pass            # scroll down log
 
711
731
            elif self.topwidget.selectable():
 
712
732
                self.topwidget.keypress(self.size, key)
 
716
737
ui = UserInterface()