85
83
    properties and calls a hook function when any of them are
 
88
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
 
86
    def __init__(self, proxy_object=None, *args, **kwargs):
 
89
87
        self.proxy = proxy_object # Mandos Client proxy object
 
90
 
        self.properties = dict() if properties is None else properties
 
 
89
        self.properties = dict()
 
91
90
        self.property_changed_match = (
 
92
 
            self.proxy.connect_to_signal("PropertiesChanged",
 
93
 
                                         self.properties_changed,
 
94
 
                                         dbus.PROPERTIES_IFACE,
 
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
 
92
                                         self.property_changed,
 
97
 
        if properties is None:
 
98
 
            self.properties.update(
 
99
 
                self.proxy.GetAll(client_interface,
 
101
 
                                  = dbus.PROPERTIES_IFACE))
 
103
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
 
96
        self.properties.update(
 
 
97
            self.proxy.GetAll(client_interface,
 
 
98
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
100
        #XXX This breaks good super behaviour
 
 
101
#        super(MandosClientPropertyCache, self).__init__(
 
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.
 
 
104
    def property_changed(self, property=None, value=None):
 
 
105
        """This is called whenever we get a PropertyChanged signal
 
 
106
        It updates the changed property in the "properties" dict.
 
109
108
        # Update properties dict with new value
 
110
 
        if interface == client_interface:
 
111
 
            self.properties.update(properties)
 
 
109
        self.properties[property] = value
 
 
111
    def delete(self, *args, **kwargs):
 
114
112
        self.property_changed_match.remove()
 
 
113
        super(MandosClientPropertyCache, self).__init__(
 
117
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
 
130
130
        self.logger = logger
 
132
132
        self._update_timer_callback_tag = None
 
 
133
        self._update_timer_callback_lock = 0
 
134
135
        # The widget shown normally
 
135
136
        self._text_widget = urwid.Text("")
 
136
137
        # The widget shown when we have focus
 
137
138
        self._focus_text_widget = urwid.Text("")
 
138
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
139
        super(MandosClientWidget, self).__init__(
 
 
140
            update_hook=update_hook, delete_hook=delete_hook,
 
140
143
        self.opened = False
 
 
145
        last_checked_ok = isoformat_to_datetime(self.properties
 
 
148
        if self.properties ["LastCheckerStatus"] != 0:
 
 
149
            self.using_timer(True)
 
 
151
        if self.need_approval:
 
 
152
            self.using_timer(True)
 
142
154
        self.match_objects = (
 
143
155
            self.proxy.connect_to_signal("CheckerCompleted",
 
144
156
                                         self.checker_completed,
 
 
161
173
                                         client_interface,
 
162
174
                                         byte_arrays=True))
 
163
 
        self.logger('Created client {}'
 
164
 
                    .format(self.properties["Name"]), level=0)
 
 
175
        #self.logger('Created client %s' % (self.properties["Name"]))
 
 
177
    def property_changed(self, property=None, value=None):
 
 
178
        super(self, MandosClientWidget).property_changed(property,
 
 
180
        if property == "ApprovalPending":
 
 
181
            using_timer(bool(value))
 
 
182
        if property == "LastCheckerStatus":
 
 
183
            using_timer(value != 0)
 
 
184
            #self.logger('Checker for client %s (command "%s")'
 
 
186
            #            % (self.properties["Name"], command))
 
166
188
    def using_timer(self, flag):
 
167
189
        """Call this method with True or False when timer should be
 
168
190
        activated or deactivated.
 
170
 
        if flag and self._update_timer_callback_tag is None:
 
 
192
        old = self._update_timer_callback_lock
 
 
194
            self._update_timer_callback_lock += 1
 
 
196
            self._update_timer_callback_lock -= 1
 
 
197
        if old == 0 and self._update_timer_callback_lock:
 
171
198
            # Will update the shown timer value every second
 
172
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
 
199
            self._update_timer_callback_tag = (gobject.timeout_add
 
174
201
                                                self.update_timer))
 
175
 
        elif not (flag or self._update_timer_callback_tag is None):
 
176
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
202
        elif old and self._update_timer_callback_lock == 0:
 
 
203
            gobject.source_remove(self._update_timer_callback_tag)
 
177
204
            self._update_timer_callback_tag = None
 
179
206
    def checker_completed(self, exitstatus, condition, command):
 
180
207
        if exitstatus == 0:
 
181
 
            self.logger('Checker for client {} (command "{}")'
 
182
 
                        ' succeeded'.format(self.properties["Name"],
 
187
211
        if os.WIFEXITED(condition):
 
188
 
            self.logger('Checker for client {} (command "{}") failed'
 
190
 
                        .format(self.properties["Name"], command,
 
191
 
                                os.WEXITSTATUS(condition)))
 
 
212
            self.logger('Checker for client %s (command "%s")'
 
 
213
                        ' failed with exit code %s'
 
 
214
                        % (self.properties["Name"], command,
 
 
215
                           os.WEXITSTATUS(condition)))
 
192
216
        elif os.WIFSIGNALED(condition):
 
193
 
            self.logger('Checker for client {} (command "{}") was'
 
194
 
                        ' killed by signal {}'
 
195
 
                        .format(self.properties["Name"], command,
 
196
 
                                os.WTERMSIG(condition)))
 
 
217
            self.logger('Checker for client %s (command "%s")'
 
 
218
                        ' was killed by signal %s'
 
 
219
                        % (self.properties["Name"], command,
 
 
220
                           os.WTERMSIG(condition)))
 
 
221
        elif os.WCOREDUMP(condition):
 
 
222
            self.logger('Checker for client %s (command "%s")'
 
 
224
                        % (self.properties["Name"], command))
 
 
226
            self.logger('Checker for client %s completed'
 
199
230
    def checker_started(self, command):
 
200
 
        """Server signals that a checker started."""
 
201
 
        self.logger('Client {} started checker "{}"'
 
202
 
                    .format(self.properties["Name"],
 
 
231
        """Server signals that a checker started. This could be useful
 
 
232
           to log in the future. """
 
 
233
        #self.logger('Client %s started checker "%s"'
 
 
234
        #            % (self.properties["Name"], unicode(command)))
 
205
237
    def got_secret(self):
 
206
 
        self.logger('Client {} received its secret'
 
207
 
                    .format(self.properties["Name"]))
 
 
238
        self.logger('Client %s received its secret'
 
 
239
                    % self.properties["Name"])
 
209
241
    def need_approval(self, timeout, default):
 
211
 
            message = 'Client {} needs approval within {} seconds'
 
 
243
            message = 'Client %s needs approval within %s seconds'
 
213
 
            message = 'Client {} will get its secret in {} seconds'
 
214
 
        self.logger(message.format(self.properties["Name"],
 
 
245
            message = 'Client %s will get its secret in %s seconds'
 
 
247
                    % (self.properties["Name"], timeout/1000))
 
 
248
        self.using_timer(True)
 
217
250
    def rejected(self, reason):
 
218
 
        self.logger('Client {} was rejected; reason: {}'
 
219
 
                    .format(self.properties["Name"], reason))
 
 
251
        self.logger('Client %s was rejected; reason: %s'
 
 
252
                    % (self.properties["Name"], reason))
 
221
254
    def selectable(self):
 
222
255
        """Make this a "selectable" widget.
 
 
259
292
            last_approval_request = isoformat_to_datetime(
 
260
293
                self.properties["LastApprovalRequest"])
 
261
294
            if last_approval_request is not None:
 
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
263
 
                                       - last_approval_request),
 
264
 
                            datetime.timedelta())
 
 
295
                timer = timeout - (datetime.datetime.utcnow()
 
 
296
                                   - last_approval_request)
 
266
298
                timer = datetime.timedelta()
 
267
299
            if self.properties["ApprovedByDefault"]:
 
268
 
                message = "Approval in {}. (d)eny?"
 
 
300
                message = "Approval in %s. (d)eny?"
 
270
 
                message = "Denial in {}. (a)pprove?"
 
271
 
            message = message.format(str(timer).rsplit(".", 1)[0])
 
272
 
            self.using_timer(True)
 
 
302
                message = "Denial in %s. (a)pprove?"
 
 
303
            message = message % unicode(timer).rsplit(".", 1)[0]
 
273
304
        elif self.properties["LastCheckerStatus"] != 0:
 
274
 
            # When checker has failed, show timer until client expires
 
 
305
            # When checker has failed, print a timer until client expires
 
275
306
            expires = self.properties["Expires"]
 
276
307
            if expires == "":
 
277
308
                timer = datetime.timedelta(0)
 
279
 
                expires = (datetime.datetime.strptime
 
280
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
281
 
                timer = max(expires - datetime.datetime.utcnow(),
 
282
 
                            datetime.timedelta())
 
 
310
                expires = datetime.datetime.strptime(expires,
 
 
311
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
 
312
                timer = expires - datetime.datetime.utcnow()
 
283
313
            message = ('A checker has failed! Time until client'
 
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
286
 
            self.using_timer(True)
 
 
315
                           % unicode(timer).rsplit(".", 1)[0])
 
288
317
            message = "enabled"
 
289
 
            self.using_timer(False)
 
290
 
        self._text = "{}{}".format(base, message)
 
 
318
        self._text = "%s%s" % (base, message)
 
292
320
        if not urwid.supports_unicode():
 
293
321
            self._text = self._text.encode("ascii", "replace")
 
294
322
        textlist = [("normal", self._text)]
 
 
306
334
            self.update_hook()
 
308
336
    def update_timer(self):
 
309
 
        """called by GLib. Will indefinitely loop until
 
310
 
        GLib.source_remove() on tag is called
 
 
337
        """called by gobject. Will indefinitely loop until
 
 
338
        gobject.source_remove() on tag is called"""
 
313
340
        return True             # Keep calling this
 
315
 
    def delete(self, **kwargs):
 
 
342
    def delete(self, *args, **kwargs):
 
316
343
        if self._update_timer_callback_tag is not None:
 
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
344
            gobject.source_remove(self._update_timer_callback_tag)
 
318
345
            self._update_timer_callback_tag = None
 
319
346
        for match in self.match_objects:
 
321
348
        self.match_objects = ()
 
322
349
        if self.delete_hook is not None:
 
323
350
            self.delete_hook(self)
 
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
351
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
326
353
    def render(self, maxcolrow, focus=False):
 
327
354
        """Render differently if we have focus.
 
 
334
361
        This overrides the method from urwid.FlowWidget"""
 
336
 
            self.proxy.Set(client_interface, "Enabled",
 
337
 
                           dbus.Boolean(True), ignore_reply = True,
 
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
 
363
            self.proxy.Enable(dbus_interface = client_interface,
 
340
 
            self.proxy.Set(client_interface, "Enabled", False,
 
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
 
366
            self.proxy.Disable(dbus_interface = client_interface,
 
344
369
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
345
370
                               dbus_interface = client_interface,
 
 
354
379
                                                  ignore_reply=True)
 
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
357
 
                           dbus.Boolean(True), ignore_reply = True,
 
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
 
381
            self.proxy.StartChecker(dbus_interface = client_interface,
 
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
361
 
                           dbus.Boolean(False), ignore_reply = True,
 
362
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
 
384
            self.proxy.StopChecker(dbus_interface = client_interface,
 
364
387
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
365
388
                                 ignore_reply=True)
 
 
376
 
    def properties_changed(self, interface, properties, invalidated):
 
377
 
        """Call self.update() if any properties changed.
 
 
399
    def property_changed(self, property=None, value=None,
 
 
401
        """Call self.update() if old value is not new value.
 
378
402
        This overrides the method from MandosClientPropertyCache"""
 
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):
 
 
403
        property_name = unicode(property)
 
 
404
        old_value = self.properties.get(property_name)
 
 
405
        super(MandosClientWidget, self).property_changed(
 
 
406
            property=property, value=value, *args, **kwargs)
 
 
407
        if self.properties.get(property_name) != old_value:
 
 
411
434
                 "default", "default", None),
 
413
 
                 "bold", "default", "bold"),
 
 
436
                 "default", "default", "bold"),
 
414
437
                ("underline-blink",
 
415
 
                 "underline,blink", "default", "underline,blink"),
 
 
438
                 "default", "default", "underline"),
 
417
 
                 "standout", "default", "standout"),
 
 
440
                 "default", "default", "standout"),
 
418
441
                ("bold-underline-blink",
 
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
 
442
                 "default", "default", ("bold", "underline")),
 
420
443
                ("bold-standout",
 
421
 
                 "bold,standout", "default", "bold,standout"),
 
 
444
                 "default", "default", ("bold", "standout")),
 
422
445
                ("underline-blink-standout",
 
423
 
                 "underline,blink,standout", "default",
 
424
 
                 "underline,blink,standout"),
 
 
446
                 "default", "default", ("underline", "standout")),
 
425
447
                ("bold-underline-blink-standout",
 
426
 
                 "bold,underline,blink,standout", "default",
 
427
 
                 "bold,underline,blink,standout"),
 
 
448
                 "default", "default", ("bold", "underline",
 
430
452
        if urwid.supports_unicode():
 
 
486
506
            self.uilist.append(self.logbox)
 
487
507
        self.topwidget = urwid.Pile(self.uilist)
 
489
 
    def log_message(self, message, level=1):
 
490
 
        """Log message formatted with timestamp"""
 
491
 
        if level < self.log_level:
 
 
509
    def log_message(self, message):
 
493
510
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
511
        self.log_message_raw(timestamp + ": " + message)
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
513
    def log_message_raw(self, markup):
 
498
514
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
515
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
502
516
        if (self.max_log_length
 
503
517
            and len(self.log) > self.max_log_length):
 
 
522
536
            self.log_wrap = "clip"
 
523
537
        for textwidget in self.log:
 
524
538
            textwidget.set_wrap_mode(self.log_wrap)
 
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
539
        #self.log_message("Wrap mode: " + self.log_wrap)
 
528
 
    def find_and_remove_client(self, path, interfaces):
 
 
541
    def find_and_remove_client(self, path, name):
 
529
542
        """Find a client by its object path and remove it.
 
531
 
        This is connected to the InterfacesRemoved signal from the
 
 
544
        This is connected to the ClientRemoved signal from the
 
532
545
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
547
            client = self.clients_dict[path]
 
540
 
            self.log_message("Unknown client {!r} removed"
 
 
550
            self.log_message("Unknown client %r (%r) removed", name,
 
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
 
 
555
    def add_new_client(self, path):
 
554
556
        client_proxy_object = self.bus.get_object(self.busname, path)
 
555
557
        self.add_client(MandosClientWidget(server_proxy_object
 
556
558
                                           =self.mandos_serv,
 
 
599
603
            mandos_clients = (self.mandos_serv
 
600
604
                              .GetAllClientsWithProperties())
 
601
 
            if not mandos_clients:
 
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
603
605
        except dbus.exceptions.DBusException:
 
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
605
606
            mandos_clients = dbus.Dictionary()
 
607
608
        (self.mandos_serv
 
608
 
         .connect_to_signal("InterfacesRemoved",
 
 
609
         .connect_to_signal("ClientRemoved",
 
609
610
                            self.find_and_remove_client,
 
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
 
611
                            dbus_interface=server_interface,
 
612
612
                            byte_arrays=True))
 
613
613
        (self.mandos_serv
 
614
 
         .connect_to_signal("InterfacesAdded",
 
 
614
         .connect_to_signal("ClientAdded",
 
615
615
                            self.add_new_client,
 
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
 
616
                            dbus_interface=server_interface,
 
618
617
                            byte_arrays=True))
 
619
618
        (self.mandos_serv
 
620
619
         .connect_to_signal("ClientNotFound",
 
621
620
                            self.client_not_found,
 
622
621
                            dbus_interface=server_interface,
 
623
622
                            byte_arrays=True))
 
624
 
        for path, client in mandos_clients.items():
 
 
623
        for path, client in mandos_clients.iteritems():
 
625
624
            client_proxy_object = self.bus.get_object(self.busname,
 
627
626
            self.add_client(MandosClientWidget(server_proxy_object