91
87
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
92
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
 
88
        self.proxy = proxy_object # Mandos Client proxy object
 
93
89
        self.properties = dict() if properties is None else properties
 
94
90
        self.property_changed_match = (
 
95
 
            self.proxy.connect_to_signal("PropertiesChanged",
 
96
 
                                         self.properties_changed,
 
97
 
                                         dbus.PROPERTIES_IFACE,
 
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
 
92
                                         self._property_changed,
 
100
96
        if properties is None:
 
101
 
            self.properties.update(self.proxy.GetAll(
 
103
 
                dbus_interface=dbus.PROPERTIES_IFACE))
 
 
97
            self.properties.update(
 
 
98
                self.proxy.GetAll(client_interface,
 
 
100
                                  = dbus.PROPERTIES_IFACE))
 
105
102
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
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.
 
 
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.
 
111
112
        # Update properties dict with new value
 
112
 
        if interface == client_interface:
 
113
 
            self.properties.update(properties)
 
 
113
        self.properties[property] = value
 
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 {}'
 
166
 
                    .format(self.properties["Name"]), level=0)
 
 
165
        #self.logger('Created client {0}'
 
 
166
        #            .format(self.properties["Name"]))
 
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 = (GLib.timeout_add
 
 
174
            self._update_timer_callback_tag = (gobject.timeout_add
 
176
176
                                                self.update_timer))
 
177
177
        elif not (flag or self._update_timer_callback_tag is None):
 
178
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
178
            gobject.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"],
 
189
186
        if os.WIFEXITED(condition):
 
190
 
            self.logger('Checker for client {} (command "{}") failed'
 
 
187
            self.logger('Checker for client {0} (command "{1}")'
 
 
188
                        ' failed with exit code {2}'
 
192
189
                        .format(self.properties["Name"], command,
 
193
190
                                os.WEXITSTATUS(condition)))
 
194
191
        elif os.WIFSIGNALED(condition):
 
195
 
            self.logger('Checker for client {} (command "{}") was'
 
196
 
                        ' killed by signal {}'
 
 
192
            self.logger('Checker for client {0} (command "{1}") was'
 
 
193
                        ' killed by signal {2}'
 
197
194
                        .format(self.properties["Name"], command,
 
198
195
                                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"]))
 
201
206
    def checker_started(self, command):
 
202
 
        """Server signals that a checker started."""
 
203
 
        self.logger('Client {} started checker "{}"'
 
204
 
                    .format(self.properties["Name"],
 
 
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"],
 
207
214
    def got_secret(self):
 
208
 
        self.logger('Client {} received its secret'
 
 
215
        self.logger('Client {0} received its secret'
 
209
216
                    .format(self.properties["Name"]))
 
211
218
    def need_approval(self, timeout, default):
 
213
 
            message = 'Client {} needs approval within {} seconds'
 
 
220
            message = 'Client {0} needs approval within {1} seconds'
 
215
 
            message = 'Client {} will get its secret in {} seconds'
 
 
222
            message = 'Client {0} will get its secret in {1} seconds'
 
216
223
        self.logger(message.format(self.properties["Name"],
 
219
226
    def rejected(self, reason):
 
220
 
        self.logger('Client {} was rejected; reason: {}'
 
 
227
        self.logger('Client {0} was rejected; reason: {1}'
 
221
228
                    .format(self.properties["Name"], reason))
 
223
230
    def selectable(self):
 
224
231
        """Make this a "selectable" widget.
 
225
232
        This overrides the method from urwid.FlowWidget."""
 
228
235
    def rows(self, maxcolrow, focus=False):
 
229
236
        """How many rows this widget will occupy might depend on
 
230
237
        whether we have focus or not.
 
231
238
        This overrides the method from urwid.FlowWidget"""
 
232
239
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
234
241
    def current_widget(self, focus=False):
 
235
242
        if focus or self.opened:
 
236
243
            return self._focus_widget
 
237
244
        return self._widget
 
239
246
    def update(self):
 
240
247
        "Called when what is visible on the screen should be updated."
 
241
248
        # How to add standout mode to a style
 
242
 
        with_standout = {"normal": "standout",
 
243
 
                         "bold": "bold-standout",
 
245
 
                         "underline-blink-standout",
 
246
 
                         "bold-underline-blink":
 
247
 
                         "bold-underline-blink-standout",
 
 
249
        with_standout = { "normal": "standout",
 
 
250
                          "bold": "bold-standout",
 
 
252
                              "underline-blink-standout",
 
 
253
                          "bold-underline-blink":
 
 
254
                              "bold-underline-blink-standout",
 
250
257
        # Rebuild focus and non-focus widgets using current properties
 
252
259
        # Base part of a client. Name!
 
253
260
        base = '{name}: '.format(name=self.properties["Name"])
 
254
261
        if not self.properties["Enabled"]:
 
255
262
            message = "DISABLED"
 
256
263
            self.using_timer(False)
 
257
264
        elif self.properties["ApprovalPending"]:
 
258
 
            timeout = datetime.timedelta(
 
259
 
                milliseconds=self.properties["ApprovalDelay"])
 
 
265
            timeout = datetime.timedelta(milliseconds
 
260
268
            last_approval_request = isoformat_to_datetime(
 
261
269
                self.properties["LastApprovalRequest"])
 
262
270
            if last_approval_request is not None:
 
 
323
330
        if self.delete_hook is not None:
 
324
331
            self.delete_hook(self)
 
325
332
        return super(MandosClientWidget, self).delete(**kwargs)
 
327
334
    def render(self, maxcolrow, focus=False):
 
328
335
        """Render differently if we have focus.
 
329
336
        This overrides the method from urwid.FlowWidget"""
 
330
337
        return self.current_widget(focus).render(maxcolrow,
 
333
340
    def keypress(self, maxcolrow, key):
 
335
342
        This overrides the method from urwid.FlowWidget"""
 
337
 
            self.proxy.Set(client_interface, "Enabled",
 
338
 
                           dbus.Boolean(True), ignore_reply=True,
 
339
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
344
            self.proxy.Enable(dbus_interface = client_interface,
 
341
 
            self.proxy.Set(client_interface, "Enabled", False,
 
343
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
347
            self.proxy.Disable(dbus_interface = client_interface,
 
345
350
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
346
 
                               dbus_interface=client_interface,
 
 
351
                               dbus_interface = client_interface,
 
347
352
                               ignore_reply=True)
 
349
354
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
350
 
                               dbus_interface=client_interface,
 
 
355
                                  dbus_interface = client_interface,
 
351
356
                               ignore_reply=True)
 
352
357
        elif key == "R" or key == "_" or key == "ctrl k":
 
353
358
            self.server_proxy_object.RemoveClient(self.proxy
 
355
360
                                                  ignore_reply=True)
 
357
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
358
 
                           dbus.Boolean(True), ignore_reply=True,
 
359
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
362
            self.proxy.StartChecker(dbus_interface = client_interface,
 
361
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
362
 
                           dbus.Boolean(False), ignore_reply=True,
 
363
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
365
            self.proxy.StopChecker(dbus_interface = client_interface,
 
365
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
 
368
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
366
369
                                 ignore_reply=True)
 
368
371
#         elif key == "p" or key == "=":
 
 
377
 
    def properties_changed(self, interface, properties, invalidated):
 
378
 
        """Call self.update() if any properties changed.
 
 
380
    def property_changed(self, property=None, **kwargs):
 
 
381
        """Call self.update() if old value is not new value.
 
379
382
        This overrides the method from MandosClientPropertyCache"""
 
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):
 
 
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:
 
 
429
429
                 "bold,underline,blink,standout", "default",
 
430
430
                 "bold,underline,blink,standout"),
 
433
433
        if urwid.supports_unicode():
 
434
 
            self.divider = "─"  # \u2500
 
 
434
            self.divider = "─" # \u2500
 
 
435
            #self.divider = "━" # \u2501
 
436
 
            self.divider = "_"  # \u005f
 
 
437
            #self.divider = "-" # \u002d
 
 
438
            self.divider = "_" # \u005f
 
438
440
        self.screen.start()
 
440
442
        self.size = self.screen.get_cols_rows()
 
442
444
        self.clients = urwid.SimpleListWalker([])
 
443
445
        self.clients_dict = {}
 
445
447
        # We will add Text widgets to this list
 
447
449
        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 = GLib.MainLoop()
 
 
467
        self.main_loop = gobject.MainLoop()
 
469
469
    def client_not_found(self, fingerprint, address):
 
470
 
        self.log_message("Client with address {} and fingerprint {}"
 
471
 
                         " could not be found"
 
 
470
        self.log_message("Client with address {0} and fingerprint"
 
 
471
                         " {1} 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(),
 
483
 
                                       footer=urwid.Divider(
 
484
 
                                           div_char=self.divider)))
 
 
484
                                       urwid.Divider(div_char=
 
485
486
        if self.log_visible:
 
486
487
            self.uilist.append(self.logbox)
 
487
488
        self.topwidget = urwid.Pile(self.uilist)
 
489
 
    def log_message(self, message, level=1):
 
 
490
    def log_message(self, message):
 
490
491
        """Log message formatted with timestamp"""
 
491
 
        if level < self.log_level:
 
493
492
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
493
        self.log_message_raw(timestamp + ": " + message)
 
 
495
    def log_message_raw(self, markup):
 
498
496
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
497
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
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]
 
 
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]
 
505
501
        self.logbox.set_focus(len(self.logbox.body.contents),
 
506
502
                              coming_from="above")
 
509
505
    def toggle_log_display(self):
 
510
506
        """Toggle visibility of the log buffer."""
 
511
507
        self.log_visible = not self.log_visible
 
513
 
        self.log_message("Log visibility changed to: {}"
 
514
 
                         .format(self.log_visible), level=0)
 
 
509
        #self.log_message("Log visibility changed to: "
 
 
510
        #                 + str(self.log_visible))
 
516
512
    def change_log_display(self):
 
517
513
        """Change type of log display.
 
518
514
        Currently, this toggles wrapping of text lines."""
 
 
522
518
            self.log_wrap = "clip"
 
523
519
        for textwidget in self.log:
 
524
520
            textwidget.set_wrap_mode(self.log_wrap)
 
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
528
 
    def find_and_remove_client(self, path, interfaces):
 
 
521
        #self.log_message("Wrap mode: " + self.log_wrap)
 
 
523
    def find_and_remove_client(self, path, name):
 
529
524
        """Find a client by its object path and remove it.
 
531
 
        This is connected to the InterfacesRemoved signal from the
 
 
526
        This is connected to the ClientRemoved signal from the
 
532
527
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
529
            client = self.clients_dict[path]
 
540
 
            self.log_message("Unknown client {!r} removed"
 
 
532
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
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
 
 
537
    def add_new_client(self, path):
 
554
538
        client_proxy_object = self.bus.get_object(self.busname, path)
 
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])),
 
 
539
        self.add_client(MandosClientWidget(server_proxy_object
 
 
542
                                           =client_proxy_object,
 
564
551
    def add_client(self, client, path=None):
 
565
552
        self.clients.append(client)
 
 
568
555
        self.clients_dict[path] = client
 
569
556
        self.clients.sort(key=lambda c: c.properties["Name"])
 
572
559
    def remove_client(self, client, path=None):
 
573
560
        self.clients.remove(client)
 
575
562
            path = client.proxy.object_path
 
576
563
        del self.clients_dict[path]
 
579
566
    def refresh(self):
 
580
567
        """Redraw the screen"""
 
581
568
        canvas = self.topwidget.render(self.size, focus=True)
 
582
569
        self.screen.draw_screen(self.size, canvas)
 
585
572
        """Start the main loop and exit when it's done."""
 
586
573
        self.bus = dbus.SystemBus()
 
587
574
        mandos_dbus_objc = self.bus.get_object(
 
588
575
            self.busname, "/", follow_name_owner_changes=True)
 
589
 
        self.mandos_serv = dbus.Interface(
 
590
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
 
576
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
592
580
            mandos_clients = (self.mandos_serv
 
593
581
                              .GetAllClientsWithProperties())
 
594
582
            if not mandos_clients:
 
595
 
                self.log_message_raw(("bold",
 
596
 
                                      "Note: Server has no clients."))
 
 
583
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
597
584
        except dbus.exceptions.DBusException:
 
598
 
            self.log_message_raw(("bold",
 
599
 
                                  "Note: No Mandos server running."))
 
 
585
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
600
586
            mandos_clients = dbus.Dictionary()
 
602
588
        (self.mandos_serv
 
603
 
         .connect_to_signal("InterfacesRemoved",
 
 
589
         .connect_to_signal("ClientRemoved",
 
604
590
                            self.find_and_remove_client,
 
605
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
591
                            dbus_interface=server_interface,
 
606
592
                            byte_arrays=True))
 
607
593
        (self.mandos_serv
 
608
 
         .connect_to_signal("InterfacesAdded",
 
 
594
         .connect_to_signal("ClientAdded",
 
609
595
                            self.add_new_client,
 
610
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
596
                            dbus_interface=server_interface,
 
611
597
                            byte_arrays=True))
 
612
598
        (self.mandos_serv
 
613
599
         .connect_to_signal("ClientNotFound",
 
 
617
603
        for path, client in mandos_clients.items():
 
618
604
            client_proxy_object = self.bus.get_object(self.busname,
 
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),
 
 
606
            self.add_client(MandosClientWidget(server_proxy_object
 
 
609
                                               =client_proxy_object,
 
630
 
        self._input_callback_tag = (GLib.io_add_watch
 
 
620
        self._input_callback_tag = (gobject.io_add_watch
 
631
621
                                    (sys.stdin.fileno(),
 
633
623
                                     self.process_input))
 
634
624
        self.main_loop.run()
 
635
625
        # Main loop has finished, we should close everything now
 
636
 
        GLib.source_remove(self._input_callback_tag)
 
 
626
        gobject.source_remove(self._input_callback_tag)
 
637
627
        self.screen.stop()
 
640
630
        self.main_loop.quit()
 
642
632
    def process_input(self, source, condition):
 
643
633
        keys = self.screen.get_input()
 
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
 
 
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
 
656
646
                key = translations[key]
 
657
647
            except KeyError:    # :-)
 
660
650
            if key == "q" or key == "Q":
 
663
653
            elif key == "window resize":
 
664
654
                self.size = self.screen.get_cols_rows()
 
666
 
            elif key == "ctrl l":
 
 
656
            elif key == "\f":  # Ctrl-L
 
669
658
            elif key == "l" or key == "D":
 
670
659
                self.toggle_log_display()
 
 
704
691
                    self.topwidget.set_focus(self.logbox)
 
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
 
 
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
 
731
711
            elif self.topwidget.selectable():
 
732
712
                self.topwidget.keypress(self.size, key)
 
737
716
ui = UserInterface()