83
 
                             int(second),            # Whole seconds
 
84
 
                             int(fraction*1000000))  # Microseconds
 
 
77
                             int(second),           # Whole seconds
 
 
78
                             int(fraction*1000000)) # Microseconds
 
87
80
class MandosClientPropertyCache(object):
 
88
81
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
89
82
    properties and calls a hook function when any of them are
 
92
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
93
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
94
 
        self.properties = dict() if properties is None else properties
 
95
 
        self.property_changed_match = (
 
96
 
            self.proxy.connect_to_signal("PropertiesChanged",
 
97
 
                                         self.properties_changed,
 
98
 
                                         dbus.PROPERTIES_IFACE,
 
101
 
        if properties is None:
 
102
 
            self.properties.update(self.proxy.GetAll(
 
104
 
                dbus_interface=dbus.PROPERTIES_IFACE))
 
106
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
108
 
    def properties_changed(self, interface, properties, invalidated):
 
109
 
        """This is called whenever we get a PropertiesChanged signal
 
110
 
        It updates the changed properties in the "properties" dict.
 
 
85
    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
86
        self.proxy = proxy_object # Mandos Client proxy object
 
 
88
        self.properties = dict()
 
 
89
        self.proxy.connect_to_signal("PropertyChanged",
 
 
90
                                     self.property_changed,
 
 
94
        self.properties.update(
 
 
95
            self.proxy.GetAll(client_interface,
 
 
96
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
98
        #XXX This break good super behaviour!
 
 
99
#        super(MandosClientPropertyCache, self).__init__(
 
 
102
    def property_changed(self, property=None, value=None):
 
 
103
        """This is called whenever we get a PropertyChanged signal
 
 
104
        It updates the changed property in the "properties" dict.
 
112
106
        # Update properties dict with new value
 
113
 
        if interface == client_interface:
 
114
 
            self.properties.update(properties)
 
117
 
        self.property_changed_match.remove()
 
 
107
        self.properties[property] = value
 
120
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
121
111
    """A Mandos Client which is visible on the screen.
 
124
114
    def __init__(self, server_proxy_object=None, update_hook=None,
 
125
 
                 delete_hook=None, logger=None, **kwargs):
 
 
115
                 delete_hook=None, logger=None, *args, **kwargs):
 
126
116
        # Called on update
 
127
117
        self.update_hook = update_hook
 
128
118
        # Called on delete
 
 
131
121
        self.server_proxy_object = server_proxy_object
 
133
123
        self.logger = logger
 
135
125
        self._update_timer_callback_tag = None
 
 
126
        self._update_timer_callback_lock = 0
 
 
127
        self.last_checker_failed = False
 
137
129
        # The widget shown normally
 
138
130
        self._text_widget = urwid.Text("")
 
139
131
        # The widget shown when we have focus
 
140
132
        self._focus_text_widget = urwid.Text("")
 
141
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
133
        super(MandosClientWidget, self).__init__(
 
 
134
            update_hook=update_hook, delete_hook=delete_hook,
 
143
137
        self.opened = False
 
145
 
        self.match_objects = (
 
146
 
            self.proxy.connect_to_signal("CheckerCompleted",
 
147
 
                                         self.checker_completed,
 
150
 
            self.proxy.connect_to_signal("CheckerStarted",
 
151
 
                                         self.checker_started,
 
154
 
            self.proxy.connect_to_signal("GotSecret",
 
158
 
            self.proxy.connect_to_signal("NeedApproval",
 
162
 
            self.proxy.connect_to_signal("Rejected",
 
166
 
        self.logger('Created client {}'
 
167
 
                    .format(self.properties["Name"]), level=0)
 
 
139
        last_checked_ok = isoformat_to_datetime(self.properties
 
 
141
        if last_checked_ok is None:
 
 
142
            self.last_checker_failed = True
 
 
144
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
 
151
        if self.last_checker_failed:
 
 
152
            self.using_timer(True)
 
 
154
        if self.need_approval:
 
 
155
            self.using_timer(True)
 
 
157
        self.proxy.connect_to_signal("CheckerCompleted",
 
 
158
                                     self.checker_completed,
 
 
161
        self.proxy.connect_to_signal("CheckerStarted",
 
 
162
                                     self.checker_started,
 
 
165
        self.proxy.connect_to_signal("GotSecret",
 
 
169
        self.proxy.connect_to_signal("NeedApproval",
 
 
173
        self.proxy.connect_to_signal("Rejected",
 
 
178
    def property_changed(self, property=None, value=None):
 
 
179
        super(self, MandosClientWidget).property_changed(property,
 
 
181
        if property == "ApprovalPending":
 
 
182
            using_timer(bool(value))
 
169
184
    def using_timer(self, flag):
 
170
185
        """Call this method with True or False when timer should be
 
171
186
        activated or deactivated.
 
173
 
        if flag and self._update_timer_callback_tag is None:
 
174
 
            # Will update the shown timer value every second
 
175
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
 
188
        old = self._update_timer_callback_lock
 
 
190
            self._update_timer_callback_lock += 1
 
 
192
            self._update_timer_callback_lock -= 1
 
 
193
        if old == 0 and self._update_timer_callback_lock:
 
 
194
            self._update_timer_callback_tag = (gobject.timeout_add
 
177
196
                                                self.update_timer))
 
178
 
        elif not (flag or self._update_timer_callback_tag is None):
 
179
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
197
        elif old and self._update_timer_callback_lock == 0:
 
 
198
            gobject.source_remove(self._update_timer_callback_tag)
 
180
199
            self._update_timer_callback_tag = None
 
182
201
    def checker_completed(self, exitstatus, condition, command):
 
183
202
        if exitstatus == 0:
 
184
 
            self.logger('Checker for client {} (command "{}")'
 
185
 
                        ' succeeded'.format(self.properties["Name"],
 
 
203
            if self.last_checker_failed:
 
 
204
                self.last_checker_failed = False
 
 
205
                self.using_timer(False)
 
 
206
            #self.logger('Checker for client %s (command "%s")'
 
 
208
            #            % (self.properties["Name"], command))
 
 
212
        if not self.last_checker_failed:
 
 
213
            self.last_checker_failed = True
 
 
214
            self.using_timer(True)
 
190
215
        if os.WIFEXITED(condition):
 
191
 
            self.logger('Checker for client {} (command "{}") failed'
 
193
 
                        .format(self.properties["Name"], command,
 
194
 
                                os.WEXITSTATUS(condition)))
 
 
216
            self.logger('Checker for client %s (command "%s")'
 
 
217
                        ' failed with exit code %s'
 
 
218
                        % (self.properties["Name"], command,
 
 
219
                           os.WEXITSTATUS(condition)))
 
195
220
        elif os.WIFSIGNALED(condition):
 
196
 
            self.logger('Checker for client {} (command "{}") was'
 
197
 
                        ' killed by signal {}'
 
198
 
                        .format(self.properties["Name"], command,
 
199
 
                                os.WTERMSIG(condition)))
 
 
221
            self.logger('Checker for client %s (command "%s")'
 
 
222
                        ' was killed by signal %s'
 
 
223
                        % (self.properties["Name"], command,
 
 
224
                           os.WTERMSIG(condition)))
 
 
225
        elif os.WCOREDUMP(condition):
 
 
226
            self.logger('Checker for client %s (command "%s")'
 
 
228
                        % (self.properties["Name"], command))
 
 
230
            self.logger('Checker for client %s completed'
 
202
234
    def checker_started(self, command):
 
203
 
        """Server signals that a checker started."""
 
204
 
        self.logger('Client {} started checker "{}"'
 
205
 
                    .format(self.properties["Name"],
 
 
235
        #self.logger('Client %s started checker "%s"'
 
 
236
        #            % (self.properties["Name"], unicode(command)))
 
208
239
    def got_secret(self):
 
209
 
        self.logger('Client {} received its secret'
 
210
 
                    .format(self.properties["Name"]))
 
 
240
        self.last_checker_failed = False
 
 
241
        self.logger('Client %s received its secret'
 
 
242
                    % self.properties["Name"])
 
212
244
    def need_approval(self, timeout, default):
 
214
 
            message = 'Client {} needs approval within {} seconds'
 
 
246
            message = 'Client %s needs approval within %s seconds'
 
216
 
            message = 'Client {} will get its secret in {} seconds'
 
217
 
        self.logger(message.format(self.properties["Name"],
 
 
248
            message = 'Client %s will get its secret in %s seconds'
 
 
250
                    % (self.properties["Name"], timeout/1000))
 
 
251
        self.using_timer(True)
 
220
253
    def rejected(self, reason):
 
221
 
        self.logger('Client {} was rejected; reason: {}'
 
222
 
                    .format(self.properties["Name"], reason))
 
 
254
        self.logger('Client %s was rejected; reason: %s'
 
 
255
                    % (self.properties["Name"], reason))
 
224
257
    def selectable(self):
 
225
258
        """Make this a "selectable" widget.
 
226
259
        This overrides the method from urwid.FlowWidget."""
 
229
262
    def rows(self, maxcolrow, focus=False):
 
230
263
        """How many rows this widget will occupy might depend on
 
231
264
        whether we have focus or not.
 
232
265
        This overrides the method from urwid.FlowWidget"""
 
233
266
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
235
268
    def current_widget(self, focus=False):
 
236
269
        if focus or self.opened:
 
237
270
            return self._focus_widget
 
238
271
        return self._widget
 
240
273
    def update(self):
 
241
274
        "Called when what is visible on the screen should be updated."
 
242
275
        # How to add standout mode to a style
 
243
 
        with_standout = {"normal": "standout",
 
244
 
                         "bold": "bold-standout",
 
246
 
                         "underline-blink-standout",
 
247
 
                         "bold-underline-blink":
 
248
 
                         "bold-underline-blink-standout",
 
 
276
        with_standout = { "normal": "standout",
 
 
277
                          "bold": "bold-standout",
 
 
279
                              "underline-blink-standout",
 
 
280
                          "bold-underline-blink":
 
 
281
                              "bold-underline-blink-standout",
 
251
284
        # Rebuild focus and non-focus widgets using current properties
 
253
286
        # Base part of a client. Name!
 
254
 
        base = '{name}: '.format(name=self.properties["Name"])
 
 
288
                      % {"name": self.properties["Name"]})
 
255
289
        if not self.properties["Enabled"]:
 
256
290
            message = "DISABLED"
 
257
 
            self.using_timer(False)
 
258
291
        elif self.properties["ApprovalPending"]:
 
259
 
            timeout = datetime.timedelta(
 
260
 
                milliseconds=self.properties["ApprovalDelay"])
 
 
292
            timeout = datetime.timedelta(milliseconds
 
261
295
            last_approval_request = isoformat_to_datetime(
 
262
296
                self.properties["LastApprovalRequest"])
 
263
297
            if last_approval_request is not None:
 
264
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
265
 
                                       - last_approval_request),
 
266
 
                            datetime.timedelta())
 
 
298
                timer = timeout - (datetime.datetime.utcnow()
 
 
299
                                   - last_approval_request)
 
268
301
                timer = datetime.timedelta()
 
269
302
            if self.properties["ApprovedByDefault"]:
 
270
 
                message = "Approval in {}. (d)eny?"
 
272
 
                message = "Denial in {}. (a)pprove?"
 
273
 
            message = message.format(str(timer).rsplit(".", 1)[0])
 
274
 
            self.using_timer(True)
 
275
 
        elif self.properties["LastCheckerStatus"] != 0:
 
276
 
            # When checker has failed, show timer until client expires
 
277
 
            expires = self.properties["Expires"]
 
279
 
                timer = datetime.timedelta(0)
 
281
 
                expires = (datetime.datetime.strptime
 
282
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
283
 
                timer = max(expires - datetime.datetime.utcnow(),
 
284
 
                            datetime.timedelta())
 
 
303
                message = "Approval in %s. (d)eny?"
 
 
305
                message = "Denial in %s. (a)pprove?"
 
 
306
            message = message % unicode(timer).rsplit(".", 1)[0]
 
 
307
        elif self.last_checker_failed:
 
 
308
            timeout = datetime.timedelta(milliseconds
 
 
311
            last_ok = isoformat_to_datetime(
 
 
312
                max((self.properties["LastCheckedOK"]
 
 
313
                     or self.properties["Created"]),
 
 
314
                    self.properties["LastEnabled"]))
 
 
315
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
285
316
            message = ('A checker has failed! Time until client'
 
287
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
288
 
            self.using_timer(True)
 
 
318
                           % unicode(timer).rsplit(".", 1)[0])
 
290
320
            message = "enabled"
 
291
 
            self.using_timer(False)
 
292
 
        self._text = "{}{}".format(base, message)
 
 
321
        self._text = "%s%s" % (base, message)
 
294
323
        if not urwid.supports_unicode():
 
295
324
            self._text = self._text.encode("ascii", "replace")
 
296
325
        textlist = [("normal", self._text)]
 
 
306
335
        # Run update hook, if any
 
307
336
        if self.update_hook is not None:
 
308
337
            self.update_hook()
 
310
339
    def update_timer(self):
 
311
 
        """called by GLib. Will indefinitely loop until
 
312
 
        GLib.source_remove() on tag is called
 
315
342
        return True             # Keep calling this
 
317
 
    def delete(self, **kwargs):
 
318
345
        if self._update_timer_callback_tag is not None:
 
319
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
346
            gobject.source_remove(self._update_timer_callback_tag)
 
320
347
            self._update_timer_callback_tag = None
 
321
 
        for match in self.match_objects:
 
323
 
        self.match_objects = ()
 
324
348
        if self.delete_hook is not None:
 
325
349
            self.delete_hook(self)
 
326
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
328
351
    def render(self, maxcolrow, focus=False):
 
329
352
        """Render differently if we have focus.
 
330
353
        This overrides the method from urwid.FlowWidget"""
 
331
354
        return self.current_widget(focus).render(maxcolrow,
 
334
357
    def keypress(self, maxcolrow, key):
 
336
359
        This overrides the method from urwid.FlowWidget"""
 
338
 
            self.proxy.Set(client_interface, "Enabled",
 
339
 
                           dbus.Boolean(True), ignore_reply=True,
 
340
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
361
            self.proxy.Enable(dbus_interface = client_interface)
 
342
 
            self.proxy.Set(client_interface, "Enabled", False,
 
344
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
363
            self.proxy.Disable(dbus_interface = client_interface)
 
346
365
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
347
 
                               dbus_interface=client_interface,
 
 
366
                               dbus_interface = client_interface)
 
350
368
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
351
 
                               dbus_interface=client_interface,
 
 
369
                                  dbus_interface = client_interface)
 
353
370
        elif key == "R" or key == "_" or key == "ctrl k":
 
354
371
            self.server_proxy_object.RemoveClient(self.proxy
 
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
359
 
                           dbus.Boolean(True), ignore_reply=True,
 
360
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
374
            self.proxy.StartChecker(dbus_interface = client_interface)
 
362
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
363
 
                           dbus.Boolean(False), ignore_reply=True,
 
364
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
376
            self.proxy.StopChecker(dbus_interface = client_interface)
 
366
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
 
378
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
369
380
#         elif key == "p" or key == "=":
 
370
381
#             self.proxy.pause()
 
 
404
414
    """This is the entire user interface - the whole screen
 
405
415
    with boxes, lists of client widgets, etc.
 
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
417
    def __init__(self, max_log_length=1000):
 
408
418
        DBusGMainLoop(set_as_default=True)
 
410
420
        self.screen = urwid.curses_display.Screen()
 
412
422
        self.screen.register_palette((
 
414
424
                 "default", "default", None),
 
416
 
                 "bold", "default", "bold"),
 
 
426
                 "default", "default", "bold"),
 
417
427
                ("underline-blink",
 
418
 
                 "underline,blink", "default", "underline,blink"),
 
 
428
                 "default", "default", "underline"),
 
420
 
                 "standout", "default", "standout"),
 
 
430
                 "default", "default", "standout"),
 
421
431
                ("bold-underline-blink",
 
422
 
                 "bold,underline,blink", "default",
 
423
 
                 "bold,underline,blink"),
 
 
432
                 "default", "default", ("bold", "underline")),
 
424
433
                ("bold-standout",
 
425
 
                 "bold,standout", "default", "bold,standout"),
 
 
434
                 "default", "default", ("bold", "standout")),
 
426
435
                ("underline-blink-standout",
 
427
 
                 "underline,blink,standout", "default",
 
428
 
                 "underline,blink,standout"),
 
 
436
                 "default", "default", ("underline", "standout")),
 
429
437
                ("bold-underline-blink-standout",
 
430
 
                 "bold,underline,blink,standout", "default",
 
431
 
                 "bold,underline,blink,standout"),
 
 
438
                 "default", "default", ("bold", "underline",
 
434
442
        if urwid.supports_unicode():
 
435
 
            self.divider = "─"  # \u2500
 
 
443
            self.divider = "─" # \u2500
 
 
444
            #self.divider = "━" # \u2501
 
437
 
            self.divider = "_"  # \u005f
 
 
446
            #self.divider = "-" # \u002d
 
 
447
            self.divider = "_" # \u005f
 
439
449
        self.screen.start()
 
441
451
        self.size = self.screen.get_cols_rows()
 
443
453
        self.clients = urwid.SimpleListWalker([])
 
444
454
        self.clients_dict = {}
 
446
456
        # We will add Text widgets to this list
 
447
 
        self.log = urwid.SimpleListWalker([])
 
448
458
        self.max_log_length = max_log_length
 
450
 
        self.log_level = log_level
 
452
460
        # We keep a reference to the log widget so we can remove it
 
453
461
        # from the ListWalker without it getting destroyed
 
454
462
        self.logbox = ConstrainedListBox(self.log)
 
456
464
        # This keeps track of whether self.uilist currently has
 
457
465
        # self.logbox in it or not
 
458
466
        self.log_visible = True
 
459
467
        self.log_wrap = "any"
 
462
470
        self.log_message_raw(("bold",
 
463
471
                              "Mandos Monitor version " + version))
 
464
472
        self.log_message_raw(("bold",
 
465
473
                              "q: Quit  ?: Help"))
 
467
475
        self.busname = domain + '.Mandos'
 
468
 
        self.main_loop = GLib.MainLoop()
 
 
476
        self.main_loop = gobject.MainLoop()
 
 
477
        self.bus = dbus.SystemBus()
 
 
478
        mandos_dbus_objc = self.bus.get_object(
 
 
479
            self.busname, "/", follow_name_owner_changes=True)
 
 
480
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
484
            mandos_clients = (self.mandos_serv
 
 
485
                              .GetAllClientsWithProperties())
 
 
486
        except dbus.exceptions.DBusException:
 
 
487
            mandos_clients = dbus.Dictionary()
 
 
490
         .connect_to_signal("ClientRemoved",
 
 
491
                            self.find_and_remove_client,
 
 
492
                            dbus_interface=server_interface,
 
 
495
         .connect_to_signal("ClientAdded",
 
 
497
                            dbus_interface=server_interface,
 
 
500
         .connect_to_signal("ClientNotFound",
 
 
501
                            self.client_not_found,
 
 
502
                            dbus_interface=server_interface,
 
 
504
        for path, client in mandos_clients.iteritems():
 
 
505
            client_proxy_object = self.bus.get_object(self.busname,
 
 
507
            self.add_client(MandosClientWidget(server_proxy_object
 
 
510
                                               =client_proxy_object,
 
470
520
    def client_not_found(self, fingerprint, address):
 
471
 
        self.log_message("Client with address {} and fingerprint {}"
 
472
 
                         " could not be found"
 
473
 
                         .format(address, fingerprint))
 
 
521
        self.log_message(("Client with address %s and fingerprint %s"
 
 
522
                          " could not be found" % (address,
 
475
525
    def rebuild(self):
 
476
526
        """This rebuilds the User Interface.
 
477
527
        Call this when the widget layout needs to change"""
 
479
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
529
        #self.uilist.append(urwid.ListBox(self.clients))
 
480
530
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
482
 
                                       # header=urwid.Divider(),
 
 
532
                                       #header=urwid.Divider(),
 
484
 
                                       footer=urwid.Divider(
 
485
 
                                           div_char=self.divider)))
 
 
535
                                       urwid.Divider(div_char=
 
486
537
        if self.log_visible:
 
487
538
            self.uilist.append(self.logbox)
 
488
540
        self.topwidget = urwid.Pile(self.uilist)
 
490
 
    def log_message(self, message, level=1):
 
491
 
        """Log message formatted with timestamp"""
 
492
 
        if level < self.log_level:
 
 
542
    def log_message(self, message):
 
494
543
        timestamp = datetime.datetime.now().isoformat()
 
495
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
498
 
    def log_message_raw(self, markup, level=1):
 
 
544
        self.log_message_raw(timestamp + ": " + message)
 
 
546
    def log_message_raw(self, markup):
 
499
547
        """Add a log message to the log buffer."""
 
500
 
        if level < self.log_level:
 
502
548
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
503
 
        if self.max_log_length:
 
504
 
            if len(self.log) > self.max_log_length:
 
505
 
                del self.log[0:len(self.log)-self.max_log_length-1]
 
506
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
 
549
        if (self.max_log_length
 
 
550
            and len(self.log) > self.max_log_length):
 
 
551
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
552
        self.logbox.set_focus(len(self.logbox.body.contents),
 
507
553
                              coming_from="above")
 
510
556
    def toggle_log_display(self):
 
511
557
        """Toggle visibility of the log buffer."""
 
512
558
        self.log_visible = not self.log_visible
 
514
 
        self.log_message("Log visibility changed to: {}"
 
515
 
                         .format(self.log_visible), level=0)
 
 
560
        #self.log_message("Log visibility changed to: "
 
 
561
        #                 + unicode(self.log_visible))
 
517
563
    def change_log_display(self):
 
518
564
        """Change type of log display.
 
519
565
        Currently, this toggles wrapping of text lines."""
 
 
523
569
            self.log_wrap = "clip"
 
524
570
        for textwidget in self.log:
 
525
571
            textwidget.set_wrap_mode(self.log_wrap)
 
526
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
529
 
    def find_and_remove_client(self, path, interfaces):
 
530
 
        """Find a client by its object path and remove it.
 
532
 
        This is connected to the InterfacesRemoved signal from the
 
 
572
        #self.log_message("Wrap mode: " + self.log_wrap)
 
 
574
    def find_and_remove_client(self, path, name):
 
 
575
        """Find an client from its object path and remove it.
 
 
577
        This is connected to the ClientRemoved signal from the
 
533
578
        Mandos server object."""
 
534
 
        if client_interface not in interfaces:
 
535
 
            # Not a Mandos client object; ignore
 
538
580
            client = self.clients_dict[path]
 
541
 
            self.log_message("Unknown client {!r} removed"
 
546
 
    def add_new_client(self, path, ifs_and_props):
 
547
 
        """Find a client by its object path and remove it.
 
549
 
        This is connected to the InterfacesAdded signal from the
 
550
 
        Mandos server object.
 
552
 
        if client_interface not in ifs_and_props:
 
553
 
            # Not a Mandos client object; ignore
 
 
584
        self.remove_client(client, path)
 
 
586
    def add_new_client(self, path):
 
555
587
        client_proxy_object = self.bus.get_object(self.busname, path)
 
556
 
        self.add_client(MandosClientWidget(
 
557
 
            server_proxy_object=self.mandos_serv,
 
558
 
            proxy_object=client_proxy_object,
 
559
 
            update_hook=self.refresh,
 
560
 
            delete_hook=self.remove_client,
 
561
 
            logger=self.log_message,
 
562
 
            properties=dict(ifs_and_props[client_interface])),
 
 
588
        self.add_client(MandosClientWidget(server_proxy_object
 
 
591
                                           =client_proxy_object,
 
565
600
    def add_client(self, client, path=None):
 
566
601
        self.clients.append(client)
 
568
603
            path = client.proxy.object_path
 
569
604
        self.clients_dict[path] = client
 
570
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
605
        self.clients.sort(None, lambda c: c.properties["Name"])
 
573
608
    def remove_client(self, client, path=None):
 
574
609
        self.clients.remove(client)
 
576
611
            path = client.proxy.object_path
 
577
612
        del self.clients_dict[path]
 
 
613
        if not self.clients_dict:
 
 
614
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
615
            # is completely emptied, we need to recreate it.
 
 
616
            self.clients = urwid.SimpleListWalker([])
 
580
620
    def refresh(self):
 
581
621
        """Redraw the screen"""
 
582
622
        canvas = self.topwidget.render(self.size, focus=True)
 
583
623
        self.screen.draw_screen(self.size, canvas)
 
586
626
        """Start the main loop and exit when it's done."""
 
587
 
        self.bus = dbus.SystemBus()
 
588
 
        mandos_dbus_objc = self.bus.get_object(
 
589
 
            self.busname, "/", follow_name_owner_changes=True)
 
590
 
        self.mandos_serv = dbus.Interface(
 
591
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
593
 
            mandos_clients = (self.mandos_serv
 
594
 
                              .GetAllClientsWithProperties())
 
595
 
            if not mandos_clients:
 
596
 
                self.log_message_raw(("bold",
 
597
 
                                      "Note: Server has no clients."))
 
598
 
        except dbus.exceptions.DBusException:
 
599
 
            self.log_message_raw(("bold",
 
600
 
                                  "Note: No Mandos server running."))
 
601
 
            mandos_clients = dbus.Dictionary()
 
604
 
         .connect_to_signal("InterfacesRemoved",
 
605
 
                            self.find_and_remove_client,
 
606
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
609
 
         .connect_to_signal("InterfacesAdded",
 
611
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
614
 
         .connect_to_signal("ClientNotFound",
 
615
 
                            self.client_not_found,
 
616
 
                            dbus_interface=server_interface,
 
618
 
        for path, client in mandos_clients.items():
 
619
 
            client_proxy_object = self.bus.get_object(self.busname,
 
621
 
            self.add_client(MandosClientWidget(
 
622
 
                server_proxy_object=self.mandos_serv,
 
623
 
                proxy_object=client_proxy_object,
 
625
 
                update_hook=self.refresh,
 
626
 
                delete_hook=self.remove_client,
 
627
 
                logger=self.log_message),
 
631
 
        self._input_callback_tag = (GLib.io_add_watch
 
 
628
        self._input_callback_tag = (gobject.io_add_watch
 
632
629
                                    (sys.stdin.fileno(),
 
634
631
                                     self.process_input))
 
635
632
        self.main_loop.run()
 
636
633
        # Main loop has finished, we should close everything now
 
637
 
        GLib.source_remove(self._input_callback_tag)
 
 
634
        gobject.source_remove(self._input_callback_tag)
 
638
635
        self.screen.stop()
 
641
638
        self.main_loop.quit()
 
643
640
    def process_input(self, source, condition):
 
644
641
        keys = self.screen.get_input()
 
645
 
        translations = {"ctrl n": "down",       # Emacs
 
646
 
                        "ctrl p": "up",         # Emacs
 
647
 
                        "ctrl v": "page down",  # Emacs
 
648
 
                        "meta v": "page up",    # Emacs
 
649
 
                        " ": "page down",       # less
 
650
 
                        "f": "page down",       # less
 
651
 
                        "b": "page up",         # less
 
 
642
        translations = { "ctrl n": "down",      # Emacs
 
 
643
                         "ctrl p": "up",        # Emacs
 
 
644
                         "ctrl v": "page down", # Emacs
 
 
645
                         "meta v": "page up",   # Emacs
 
 
646
                         " ": "page down",      # less
 
 
647
                         "f": "page down",      # less
 
 
648
                         "b": "page up",        # less
 
657
654
                key = translations[key]
 
658
655
            except KeyError:    # :-)
 
661
658
            if key == "q" or key == "Q":
 
664
661
            elif key == "window resize":
 
665
662
                self.size = self.screen.get_cols_rows()
 
667
 
            elif key == "ctrl l":
 
 
664
            elif key == "\f":  # Ctrl-L
 
670
666
            elif key == "l" or key == "D":
 
671
667
                self.toggle_log_display()