57
55
domain = 'se.recompile'
 
58
56
server_interface = domain + '.Mandos'
 
59
57
client_interface = domain + '.Mandos.Client'
 
63
 
    dbus.OBJECT_MANAGER_IFACE
 
64
 
except AttributeError:
 
65
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
60
# Always run in monochrome mode
 
 
61
urwid.curses_display.curses.has_colors = lambda : False
 
 
63
# Urwid doesn't support blinking, but we want it.  Since we have no
 
 
64
# use for underline on its own, we make underline also always blink.
 
 
65
urwid.curses_display.curses.A_UNDERLINE |= (
 
 
66
    urwid.curses_display.curses.A_BLINK)
 
67
68
def isoformat_to_datetime(iso):
 
68
69
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
 
85
86
    properties and calls a hook function when any of them are
 
88
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
 
89
    def __init__(self, proxy_object=None, *args, **kwargs):
 
89
90
        self.proxy = proxy_object # Mandos Client proxy object
 
90
 
        self.properties = dict() if properties is None else properties
 
 
92
        self.properties = dict()
 
91
93
        self.property_changed_match = (
 
92
 
            self.proxy.connect_to_signal("PropertiesChanged",
 
93
 
                                         self.properties_changed,
 
94
 
                                         dbus.PROPERTIES_IFACE,
 
 
94
            self.proxy.connect_to_signal("PropertyChanged",
 
 
95
                                         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)
 
 
99
        self.properties.update(
 
 
100
            self.proxy.GetAll(client_interface,
 
 
101
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
103
        #XXX This breaks good super behaviour
 
 
104
#        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.
 
 
107
    def property_changed(self, property=None, value=None):
 
 
108
        """This is called whenever we get a PropertyChanged signal
 
 
109
        It updates the changed property in the "properties" dict.
 
109
111
        # Update properties dict with new value
 
110
 
        if interface == client_interface:
 
111
 
            self.properties.update(properties)
 
 
112
        self.properties[property] = value
 
 
114
    def delete(self, *args, **kwargs):
 
114
115
        self.property_changed_match.remove()
 
 
116
        super(MandosClientPropertyCache, self).__init__(
 
117
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
 
130
133
        self.logger = logger
 
132
135
        self._update_timer_callback_tag = None
 
 
136
        self._update_timer_callback_lock = 0
 
134
138
        # The widget shown normally
 
135
139
        self._text_widget = urwid.Text("")
 
136
140
        # The widget shown when we have focus
 
137
141
        self._focus_text_widget = urwid.Text("")
 
138
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
142
        super(MandosClientWidget, self).__init__(
 
 
143
            update_hook=update_hook, delete_hook=delete_hook,
 
140
146
        self.opened = False
 
 
148
        last_checked_ok = isoformat_to_datetime(self.properties
 
 
151
        if self.properties ["LastCheckerStatus"] != 0:
 
 
152
            self.using_timer(True)
 
 
154
        if self.need_approval:
 
 
155
            self.using_timer(True)
 
142
157
        self.match_objects = (
 
143
158
            self.proxy.connect_to_signal("CheckerCompleted",
 
144
159
                                         self.checker_completed,
 
 
161
176
                                         client_interface,
 
162
177
                                         byte_arrays=True))
 
163
 
        self.logger('Created client {}'
 
164
 
                    .format(self.properties["Name"]), level=0)
 
 
178
        #self.logger('Created client {0}'
 
 
179
        #            .format(self.properties["Name"]))
 
 
181
    def property_changed(self, property=None, value=None):
 
 
182
        super(self, MandosClientWidget).property_changed(property,
 
 
184
        if property == "ApprovalPending":
 
 
185
            using_timer(bool(value))
 
 
186
        if property == "LastCheckerStatus":
 
 
187
            using_timer(value != 0)
 
 
188
            #self.logger('Checker for client {0} (command "{1}") was '
 
 
189
            #            ' successful'.format(self.properties["Name"],
 
166
192
    def using_timer(self, flag):
 
167
193
        """Call this method with True or False when timer should be
 
168
194
        activated or deactivated.
 
170
 
        if flag and self._update_timer_callback_tag is None:
 
 
196
        old = self._update_timer_callback_lock
 
 
198
            self._update_timer_callback_lock += 1
 
 
200
            self._update_timer_callback_lock -= 1
 
 
201
        if old == 0 and self._update_timer_callback_lock:
 
171
202
            # Will update the shown timer value every second
 
172
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
 
203
            self._update_timer_callback_tag = (gobject.timeout_add
 
174
205
                                                self.update_timer))
 
175
 
        elif not (flag or self._update_timer_callback_tag is None):
 
176
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
206
        elif old and self._update_timer_callback_lock == 0:
 
 
207
            gobject.source_remove(self._update_timer_callback_tag)
 
177
208
            self._update_timer_callback_tag = None
 
179
210
    def checker_completed(self, exitstatus, condition, command):
 
180
211
        if exitstatus == 0:
 
181
 
            self.logger('Checker for client {} (command "{}")'
 
182
 
                        ' succeeded'.format(self.properties["Name"],
 
187
215
        if os.WIFEXITED(condition):
 
188
 
            self.logger('Checker for client {} (command "{}") failed'
 
 
216
            self.logger('Checker for client {0} (command "{1}")'
 
 
217
                        ' failed with exit code {2}'
 
190
218
                        .format(self.properties["Name"], command,
 
191
219
                                os.WEXITSTATUS(condition)))
 
192
220
        elif os.WIFSIGNALED(condition):
 
193
 
            self.logger('Checker for client {} (command "{}") was'
 
194
 
                        ' killed by signal {}'
 
 
221
            self.logger('Checker for client {0} (command "{1}") was'
 
 
222
                        ' killed by signal {2}'
 
195
223
                        .format(self.properties["Name"], command,
 
196
224
                                os.WTERMSIG(condition)))
 
 
225
        elif os.WCOREDUMP(condition):
 
 
226
            self.logger('Checker for client {0} (command "{1}")'
 
 
228
                        .format(self.properties["Name"], command))
 
 
230
            self.logger('Checker for client {0} completed'
 
 
232
                        .format(self.properties["Name"]))
 
199
235
    def checker_started(self, command):
 
200
 
        """Server signals that a checker started."""
 
201
 
        self.logger('Client {} started checker "{}"'
 
202
 
                    .format(self.properties["Name"],
 
 
236
        """Server signals that a checker started. This could be useful
 
 
237
           to log in the future. """
 
 
238
        #self.logger('Client {0} started checker "{1}"'
 
 
239
        #            .format(self.properties["Name"],
 
205
243
    def got_secret(self):
 
206
 
        self.logger('Client {} received its secret'
 
 
244
        self.logger('Client {0} received its secret'
 
207
245
                    .format(self.properties["Name"]))
 
209
247
    def need_approval(self, timeout, default):
 
211
 
            message = 'Client {} needs approval within {} seconds'
 
 
249
            message = 'Client {0} needs approval within {1} seconds'
 
213
 
            message = 'Client {} will get its secret in {} seconds'
 
 
251
            message = 'Client {0} will get its secret in {1} seconds'
 
214
252
        self.logger(message.format(self.properties["Name"],
 
 
254
        self.using_timer(True)
 
217
256
    def rejected(self, reason):
 
218
 
        self.logger('Client {} was rejected; reason: {}'
 
 
257
        self.logger('Client {0} was rejected; reason: {1}'
 
219
258
                    .format(self.properties["Name"], reason))
 
221
260
    def selectable(self):
 
 
259
297
            last_approval_request = isoformat_to_datetime(
 
260
298
                self.properties["LastApprovalRequest"])
 
261
299
            if last_approval_request is not None:
 
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
263
 
                                       - last_approval_request),
 
264
 
                            datetime.timedelta())
 
 
300
                timer = timeout - (datetime.datetime.utcnow()
 
 
301
                                   - last_approval_request)
 
266
303
                timer = datetime.timedelta()
 
267
304
            if self.properties["ApprovedByDefault"]:
 
268
 
                message = "Approval in {}. (d)eny?"
 
 
305
                message = "Approval in {0}. (d)eny?"
 
270
 
                message = "Denial in {}. (a)pprove?"
 
271
 
            message = message.format(str(timer).rsplit(".", 1)[0])
 
272
 
            self.using_timer(True)
 
 
307
                message = "Denial in {0}. (a)pprove?"
 
 
308
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
273
309
        elif self.properties["LastCheckerStatus"] != 0:
 
274
310
            # When checker has failed, show timer until client expires
 
275
311
            expires = self.properties["Expires"]
 
 
279
315
                expires = (datetime.datetime.strptime
 
280
316
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
281
 
                timer = max(expires - datetime.datetime.utcnow(),
 
282
 
                            datetime.timedelta())
 
 
317
                timer = expires - datetime.datetime.utcnow()
 
283
318
            message = ('A checker has failed! Time until client'
 
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
286
 
            self.using_timer(True)
 
 
319
                       ' gets disabled: {0}'
 
 
320
                       .format(unicode(timer).rsplit(".", 1)[0]))
 
288
322
            message = "enabled"
 
289
 
            self.using_timer(False)
 
290
 
        self._text = "{}{}".format(base, message)
 
 
323
        self._text = "{0}{1}".format(base, message)
 
292
325
        if not urwid.supports_unicode():
 
293
326
            self._text = self._text.encode("ascii", "replace")
 
294
327
        textlist = [("normal", self._text)]
 
 
306
339
            self.update_hook()
 
308
341
    def update_timer(self):
 
309
 
        """called by GLib. Will indefinitely loop until
 
310
 
        GLib.source_remove() on tag is called
 
 
342
        """called by gobject. Will indefinitely loop until
 
 
343
        gobject.source_remove() on tag is called"""
 
313
345
        return True             # Keep calling this
 
315
 
    def delete(self, **kwargs):
 
 
347
    def delete(self, *args, **kwargs):
 
316
348
        if self._update_timer_callback_tag is not None:
 
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
349
            gobject.source_remove(self._update_timer_callback_tag)
 
318
350
            self._update_timer_callback_tag = None
 
319
351
        for match in self.match_objects:
 
321
353
        self.match_objects = ()
 
322
354
        if self.delete_hook is not None:
 
323
355
            self.delete_hook(self)
 
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
356
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
326
358
    def render(self, maxcolrow, focus=False):
 
327
359
        """Render differently if we have focus.
 
 
334
366
        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)
 
 
368
            self.proxy.Enable(dbus_interface = client_interface,
 
340
 
            self.proxy.Set(client_interface, "Enabled", False,
 
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
 
371
            self.proxy.Disable(dbus_interface = client_interface,
 
344
374
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
345
375
                               dbus_interface = client_interface,
 
 
354
384
                                                  ignore_reply=True)
 
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
357
 
                           dbus.Boolean(True), ignore_reply = True,
 
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
 
386
            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)
 
 
389
            self.proxy.StopChecker(dbus_interface = client_interface,
 
364
392
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
365
393
                                 ignore_reply=True)
 
 
376
 
    def properties_changed(self, interface, properties, invalidated):
 
377
 
        """Call self.update() if any properties changed.
 
 
404
    def property_changed(self, property=None, value=None,
 
 
406
        """Call self.update() if old value is not new value.
 
378
407
        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):
 
 
408
        property_name = unicode(property)
 
 
409
        old_value = self.properties.get(property_name)
 
 
410
        super(MandosClientWidget, self).property_changed(
 
 
411
            property=property, value=value, *args, **kwargs)
 
 
412
        if self.properties.get(property_name) != old_value:
 
 
411
439
                 "default", "default", None),
 
413
 
                 "bold", "default", "bold"),
 
 
441
                 "default", "default", "bold"),
 
414
442
                ("underline-blink",
 
415
 
                 "underline,blink", "default", "underline,blink"),
 
 
443
                 "default", "default", "underline"),
 
417
 
                 "standout", "default", "standout"),
 
 
445
                 "default", "default", "standout"),
 
418
446
                ("bold-underline-blink",
 
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
 
447
                 "default", "default", ("bold", "underline")),
 
420
448
                ("bold-standout",
 
421
 
                 "bold,standout", "default", "bold,standout"),
 
 
449
                 "default", "default", ("bold", "standout")),
 
422
450
                ("underline-blink-standout",
 
423
 
                 "underline,blink,standout", "default",
 
424
 
                 "underline,blink,standout"),
 
 
451
                 "default", "default", ("underline", "standout")),
 
425
452
                ("bold-underline-blink-standout",
 
426
 
                 "bold,underline,blink,standout", "default",
 
427
 
                 "bold,underline,blink,standout"),
 
 
453
                 "default", "default", ("bold", "underline",
 
430
457
        if urwid.supports_unicode():
 
 
486
511
            self.uilist.append(self.logbox)
 
487
512
        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:
 
 
514
    def log_message(self, message):
 
493
515
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
516
        self.log_message_raw(timestamp + ": " + message)
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
518
    def log_message_raw(self, markup):
 
498
519
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
520
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
502
521
        if (self.max_log_length
 
503
522
            and len(self.log) > self.max_log_length):
 
 
522
541
            self.log_wrap = "clip"
 
523
542
        for textwidget in self.log:
 
524
543
            textwidget.set_wrap_mode(self.log_wrap)
 
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
544
        #self.log_message("Wrap mode: " + self.log_wrap)
 
528
 
    def find_and_remove_client(self, path, interfaces):
 
 
546
    def find_and_remove_client(self, path, name):
 
529
547
        """Find a client by its object path and remove it.
 
531
 
        This is connected to the InterfacesRemoved signal from the
 
 
549
        This is connected to the ClientRemoved signal from the
 
532
550
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
552
            client = self.clients_dict[path]
 
540
 
            self.log_message("Unknown client {!r} removed"
 
 
555
            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
 
 
560
    def add_new_client(self, path):
 
554
561
        client_proxy_object = self.bus.get_object(self.busname, path)
 
555
562
        self.add_client(MandosClientWidget(server_proxy_object
 
556
563
                                           =self.mandos_serv,
 
 
599
608
            mandos_clients = (self.mandos_serv
 
600
609
                              .GetAllClientsWithProperties())
 
601
 
            if not mandos_clients:
 
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
603
610
        except dbus.exceptions.DBusException:
 
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
605
611
            mandos_clients = dbus.Dictionary()
 
607
613
        (self.mandos_serv
 
608
 
         .connect_to_signal("InterfacesRemoved",
 
 
614
         .connect_to_signal("ClientRemoved",
 
609
615
                            self.find_and_remove_client,
 
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
 
616
                            dbus_interface=server_interface,
 
612
617
                            byte_arrays=True))
 
613
618
        (self.mandos_serv
 
614
 
         .connect_to_signal("InterfacesAdded",
 
 
619
         .connect_to_signal("ClientAdded",
 
615
620
                            self.add_new_client,
 
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
 
621
                            dbus_interface=server_interface,
 
618
622
                            byte_arrays=True))
 
619
623
        (self.mandos_serv
 
620
624
         .connect_to_signal("ClientNotFound",
 
621
625
                            self.client_not_found,
 
622
626
                            dbus_interface=server_interface,
 
623
627
                            byte_arrays=True))
 
624
 
        for path, client in mandos_clients.items():
 
 
628
        for path, client in mandos_clients.iteritems():
 
625
629
            client_proxy_object = self.bus.get_object(self.busname,
 
627
631
            self.add_client(MandosClientWidget(server_proxy_object