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
        self.last_checker_failed = False
 
134
136
        # The widget shown normally
 
135
137
        self._text_widget = urwid.Text("")
 
136
138
        # The widget shown when we have focus
 
137
139
        self._focus_text_widget = urwid.Text("")
 
138
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
140
        super(MandosClientWidget, self).__init__(
 
 
141
            update_hook=update_hook, delete_hook=delete_hook,
 
140
144
        self.opened = False
 
 
146
        last_checked_ok = isoformat_to_datetime(self.properties
 
 
148
        if last_checked_ok is None:
 
 
149
            self.last_checker_failed = True
 
 
151
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
 
158
        if self.last_checker_failed:
 
 
159
            self.using_timer(True)
 
 
161
        if self.need_approval:
 
 
162
            self.using_timer(True)
 
142
164
        self.match_objects = (
 
143
165
            self.proxy.connect_to_signal("CheckerCompleted",
 
144
166
                                         self.checker_completed,
 
 
161
183
                                         client_interface,
 
162
184
                                         byte_arrays=True))
 
163
 
        self.logger('Created client {}'
 
164
 
                    .format(self.properties["Name"]), level=0)
 
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
 
 
187
    def property_changed(self, property=None, value=None):
 
 
188
        super(self, MandosClientWidget).property_changed(property,
 
 
190
        if property == "ApprovalPending":
 
 
191
            using_timer(bool(value))
 
166
193
    def using_timer(self, flag):
 
167
194
        """Call this method with True or False when timer should be
 
168
195
        activated or deactivated.
 
170
 
        if flag and self._update_timer_callback_tag is None:
 
 
197
        old = self._update_timer_callback_lock
 
 
199
            self._update_timer_callback_lock += 1
 
 
201
            self._update_timer_callback_lock -= 1
 
 
202
        if old == 0 and self._update_timer_callback_lock:
 
171
203
            # Will update the shown timer value every second
 
172
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
 
204
            self._update_timer_callback_tag = (gobject.timeout_add
 
174
206
                                                self.update_timer))
 
175
 
        elif not (flag or self._update_timer_callback_tag is None):
 
176
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
207
        elif old and self._update_timer_callback_lock == 0:
 
 
208
            gobject.source_remove(self._update_timer_callback_tag)
 
177
209
            self._update_timer_callback_tag = None
 
179
211
    def checker_completed(self, exitstatus, condition, command):
 
180
212
        if exitstatus == 0:
 
181
 
            self.logger('Checker for client {} (command "{}")'
 
182
 
                        ' succeeded'.format(self.properties["Name"],
 
 
213
            if self.last_checker_failed:
 
 
214
                self.last_checker_failed = False
 
 
215
                self.using_timer(False)
 
 
216
            #self.logger('Checker for client %s (command "%s")'
 
 
218
            #            % (self.properties["Name"], command))
 
 
222
        if not self.last_checker_failed:
 
 
223
            self.last_checker_failed = True
 
 
224
            self.using_timer(True)
 
187
225
        if os.WIFEXITED(condition):
 
188
 
            self.logger('Checker for client {} (command "{}") failed'
 
190
 
                        .format(self.properties["Name"], command,
 
191
 
                                os.WEXITSTATUS(condition)))
 
 
226
            self.logger('Checker for client %s (command "%s")'
 
 
227
                        ' failed with exit code %s'
 
 
228
                        % (self.properties["Name"], command,
 
 
229
                           os.WEXITSTATUS(condition)))
 
192
230
        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)))
 
 
231
            self.logger('Checker for client %s (command "%s")'
 
 
232
                        ' was killed by signal %s'
 
 
233
                        % (self.properties["Name"], command,
 
 
234
                           os.WTERMSIG(condition)))
 
 
235
        elif os.WCOREDUMP(condition):
 
 
236
            self.logger('Checker for client %s (command "%s")'
 
 
238
                        % (self.properties["Name"], command))
 
 
240
            self.logger('Checker for client %s completed'
 
199
244
    def checker_started(self, command):
 
200
 
        """Server signals that a checker started."""
 
201
 
        self.logger('Client {} started checker "{}"'
 
202
 
                    .format(self.properties["Name"],
 
 
245
        """Server signals that a checker started. This could be useful
 
 
246
           to log in the future. """
 
 
247
        #self.logger('Client %s started checker "%s"'
 
 
248
        #            % (self.properties["Name"], unicode(command)))
 
205
251
    def got_secret(self):
 
206
 
        self.logger('Client {} received its secret'
 
207
 
                    .format(self.properties["Name"]))
 
 
252
        self.last_checker_failed = False
 
 
253
        self.logger('Client %s received its secret'
 
 
254
                    % self.properties["Name"])
 
209
256
    def need_approval(self, timeout, default):
 
211
 
            message = 'Client {} needs approval within {} seconds'
 
 
258
            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"],
 
 
260
            message = 'Client %s will get its secret in %s seconds'
 
 
262
                    % (self.properties["Name"], timeout/1000))
 
 
263
        self.using_timer(True)
 
217
265
    def rejected(self, reason):
 
218
 
        self.logger('Client {} was rejected; reason: {}'
 
219
 
                    .format(self.properties["Name"], reason))
 
 
266
        self.logger('Client %s was rejected; reason: %s'
 
 
267
                    % (self.properties["Name"], reason))
 
221
269
    def selectable(self):
 
222
270
        """Make this a "selectable" widget.
 
 
259
307
            last_approval_request = isoformat_to_datetime(
 
260
308
                self.properties["LastApprovalRequest"])
 
261
309
            if last_approval_request is not None:
 
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
263
 
                                       - last_approval_request),
 
264
 
                            datetime.timedelta())
 
 
310
                timer = timeout - (datetime.datetime.utcnow()
 
 
311
                                   - last_approval_request)
 
266
313
                timer = datetime.timedelta()
 
267
314
            if self.properties["ApprovedByDefault"]:
 
268
 
                message = "Approval in {}. (d)eny?"
 
 
315
                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)
 
273
 
        elif self.properties["LastCheckerStatus"] != 0:
 
274
 
            # When checker has failed, show timer until client expires
 
 
317
                message = "Denial in %s. (a)pprove?"
 
 
318
            message = message % unicode(timer).rsplit(".", 1)[0]
 
 
319
        elif self.last_checker_failed:
 
 
320
            # When checker has failed, print a timer until client expires
 
275
321
            expires = self.properties["Expires"]
 
276
322
            if expires == "":
 
277
323
                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())
 
 
325
                expires = datetime.datetime.strptime(expires,
 
 
326
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
 
327
                timer = expires - datetime.datetime.utcnow()
 
283
328
            message = ('A checker has failed! Time until client'
 
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
286
 
            self.using_timer(True)
 
 
330
                           % unicode(timer).rsplit(".", 1)[0])
 
288
332
            message = "enabled"
 
289
 
            self.using_timer(False)
 
290
 
        self._text = "{}{}".format(base, message)
 
 
333
        self._text = "%s%s" % (base, message)
 
292
335
        if not urwid.supports_unicode():
 
293
336
            self._text = self._text.encode("ascii", "replace")
 
294
337
        textlist = [("normal", self._text)]
 
 
306
349
            self.update_hook()
 
308
351
    def update_timer(self):
 
309
 
        """called by GLib. Will indefinitely loop until
 
310
 
        GLib.source_remove() on tag is called
 
 
352
        """called by gobject. Will indefinitely loop until
 
 
353
        gobject.source_remove() on tag is called"""
 
313
355
        return True             # Keep calling this
 
315
 
    def delete(self, **kwargs):
 
 
357
    def delete(self, *args, **kwargs):
 
316
358
        if self._update_timer_callback_tag is not None:
 
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
359
            gobject.source_remove(self._update_timer_callback_tag)
 
318
360
            self._update_timer_callback_tag = None
 
319
361
        for match in self.match_objects:
 
321
363
        self.match_objects = ()
 
322
364
        if self.delete_hook is not None:
 
323
365
            self.delete_hook(self)
 
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
366
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
326
368
    def render(self, maxcolrow, focus=False):
 
327
369
        """Render differently if we have focus.
 
 
334
376
        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)
 
 
378
            self.proxy.Enable(dbus_interface = client_interface,
 
340
 
            self.proxy.Set(client_interface, "Enabled", False,
 
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
 
381
            self.proxy.Disable(dbus_interface = client_interface,
 
344
384
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
345
385
                               dbus_interface = client_interface,
 
 
376
 
    def properties_changed(self, interface, properties, invalidated):
 
377
 
        """Call self.update() if any properties changed.
 
 
414
    def property_changed(self, property=None, value=None,
 
 
416
        """Call self.update() if old value is not new value.
 
378
417
        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):
 
 
418
        property_name = unicode(property)
 
 
419
        old_value = self.properties.get(property_name)
 
 
420
        super(MandosClientWidget, self).property_changed(
 
 
421
            property=property, value=value, *args, **kwargs)
 
 
422
        if self.properties.get(property_name) != old_value:
 
 
411
449
                 "default", "default", None),
 
413
 
                 "bold", "default", "bold"),
 
 
451
                 "default", "default", "bold"),
 
414
452
                ("underline-blink",
 
415
 
                 "underline,blink", "default", "underline,blink"),
 
 
453
                 "default", "default", "underline"),
 
417
 
                 "standout", "default", "standout"),
 
 
455
                 "default", "default", "standout"),
 
418
456
                ("bold-underline-blink",
 
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
 
457
                 "default", "default", ("bold", "underline")),
 
420
458
                ("bold-standout",
 
421
 
                 "bold,standout", "default", "bold,standout"),
 
 
459
                 "default", "default", ("bold", "standout")),
 
422
460
                ("underline-blink-standout",
 
423
 
                 "underline,blink,standout", "default",
 
424
 
                 "underline,blink,standout"),
 
 
461
                 "default", "default", ("underline", "standout")),
 
425
462
                ("bold-underline-blink-standout",
 
426
 
                 "bold,underline,blink,standout", "default",
 
427
 
                 "bold,underline,blink,standout"),
 
 
463
                 "default", "default", ("bold", "underline",
 
430
467
        if urwid.supports_unicode():
 
 
486
521
            self.uilist.append(self.logbox)
 
487
522
        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:
 
 
524
    def log_message(self, message):
 
493
525
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
526
        self.log_message_raw(timestamp + ": " + message)
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
528
    def log_message_raw(self, markup):
 
498
529
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
530
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
502
531
        if (self.max_log_length
 
503
532
            and len(self.log) > self.max_log_length):
 
 
522
551
            self.log_wrap = "clip"
 
523
552
        for textwidget in self.log:
 
524
553
            textwidget.set_wrap_mode(self.log_wrap)
 
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
554
        #self.log_message("Wrap mode: " + self.log_wrap)
 
528
 
    def find_and_remove_client(self, path, interfaces):
 
 
556
    def find_and_remove_client(self, path, name):
 
529
557
        """Find a client by its object path and remove it.
 
531
 
        This is connected to the InterfacesRemoved signal from the
 
 
559
        This is connected to the ClientRemoved signal from the
 
532
560
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
562
            client = self.clients_dict[path]
 
540
 
            self.log_message("Unknown client {!r} removed"
 
 
565
            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
 
 
570
    def add_new_client(self, path):
 
554
571
        client_proxy_object = self.bus.get_object(self.busname, path)
 
555
572
        self.add_client(MandosClientWidget(server_proxy_object
 
556
573
                                           =self.mandos_serv,
 
 
599
618
            mandos_clients = (self.mandos_serv
 
600
619
                              .GetAllClientsWithProperties())
 
601
 
            if not mandos_clients:
 
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
603
620
        except dbus.exceptions.DBusException:
 
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
605
621
            mandos_clients = dbus.Dictionary()
 
607
623
        (self.mandos_serv
 
608
 
         .connect_to_signal("InterfacesRemoved",
 
 
624
         .connect_to_signal("ClientRemoved",
 
609
625
                            self.find_and_remove_client,
 
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
 
626
                            dbus_interface=server_interface,
 
612
627
                            byte_arrays=True))
 
613
628
        (self.mandos_serv
 
614
 
         .connect_to_signal("InterfacesAdded",
 
 
629
         .connect_to_signal("ClientAdded",
 
615
630
                            self.add_new_client,
 
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
 
631
                            dbus_interface=server_interface,
 
618
632
                            byte_arrays=True))
 
619
633
        (self.mandos_serv
 
620
634
         .connect_to_signal("ClientNotFound",
 
621
635
                            self.client_not_found,
 
622
636
                            dbus_interface=server_interface,
 
623
637
                            byte_arrays=True))
 
624
 
        for path, client in mandos_clients.items():
 
 
638
        for path, client in mandos_clients.iteritems():
 
625
639
            client_proxy_object = self.bus.get_object(self.busname,
 
627
641
            self.add_client(MandosClientWidget(server_proxy_object