53
57
domain = 'se.recompile'
 
54
58
server_interface = domain + '.Mandos'
 
55
59
client_interface = domain + '.Mandos.Client'
 
58
 
# Always run in monochrome mode
 
59
 
urwid.curses_display.curses.has_colors = lambda : False
 
61
 
# Urwid doesn't support blinking, but we want it.  Since we have no
 
62
 
# use for underline on its own, we make underline also always blink.
 
63
 
urwid.curses_display.curses.A_UNDERLINE |= (
 
64
 
    urwid.curses_display.curses.A_BLINK)
 
 
63
    dbus.OBJECT_MANAGER_IFACE
 
 
64
except AttributeError:
 
 
65
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
66
67
def isoformat_to_datetime(iso):
 
67
68
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
 
84
85
    properties and calls a hook function when any of them are
 
87
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
88
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
88
89
        self.proxy = proxy_object # Mandos Client proxy object
 
90
 
        self.properties = dict()
 
 
90
        self.properties = dict() if properties is None else properties
 
91
91
        self.property_changed_match = (
 
92
 
            self.proxy.connect_to_signal("PropertyChanged",
 
93
 
                                         self.property_changed,
 
 
92
            self.proxy.connect_to_signal("PropertiesChanged",
 
 
93
                                         self.properties_changed,
 
 
94
                                         dbus.PROPERTIES_IFACE,
 
97
 
        self.properties.update(
 
98
 
            self.proxy.GetAll(client_interface,
 
99
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
101
 
        #XXX This breaks good super behaviour
 
102
 
#        super(MandosClientPropertyCache, self).__init__(
 
 
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)
 
105
 
    def property_changed(self, property=None, value=None):
 
106
 
        """This is called whenever we get a PropertyChanged signal
 
107
 
        It updates the changed property in the "properties" dict.
 
 
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.
 
109
109
        # Update properties dict with new value
 
110
 
        self.properties[property] = value
 
 
110
        if interface == client_interface:
 
 
111
            self.properties.update(properties)
 
112
 
    def delete(self, *args, **kwargs):
 
113
114
        self.property_changed_match.remove()
 
114
 
        super(MandosClientPropertyCache, self).__init__(
 
118
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
 
131
130
        self.logger = logger
 
133
132
        self._update_timer_callback_tag = None
 
134
 
        self._update_timer_callback_lock = 0
 
136
134
        # The widget shown normally
 
137
135
        self._text_widget = urwid.Text("")
 
138
136
        # The widget shown when we have focus
 
139
137
        self._focus_text_widget = urwid.Text("")
 
140
 
        super(MandosClientWidget, self).__init__(
 
141
 
            update_hook=update_hook, delete_hook=delete_hook,
 
 
138
        super(MandosClientWidget, self).__init__(**kwargs)
 
144
140
        self.opened = False
 
146
 
        last_checked_ok = isoformat_to_datetime(self.properties
 
149
 
        if self.properties ["LastCheckerStatus"] != 0:
 
150
 
            self.using_timer(True)
 
152
 
        if self.need_approval:
 
153
 
            self.using_timer(True)
 
155
142
        self.match_objects = (
 
156
143
            self.proxy.connect_to_signal("CheckerCompleted",
 
157
144
                                         self.checker_completed,
 
 
174
161
                                         client_interface,
 
175
162
                                         byte_arrays=True))
 
176
 
        #self.logger('Created client {0}'
 
177
 
        #            .format(self.properties["Name"]))
 
179
 
    def property_changed(self, property=None, value=None):
 
180
 
        super(self, MandosClientWidget).property_changed(property,
 
182
 
        if property == "ApprovalPending":
 
183
 
            using_timer(bool(value))
 
184
 
        if property == "LastCheckerStatus":
 
185
 
            using_timer(value != 0)
 
186
 
            #self.logger('Checker for client {0} (command "{1}") was '
 
187
 
            #            ' successful'.format(self.properties["Name"],
 
 
163
        self.logger('Created client {}'
 
 
164
                    .format(self.properties["Name"]), level=0)
 
190
166
    def using_timer(self, flag):
 
191
167
        """Call this method with True or False when timer should be
 
192
168
        activated or deactivated.
 
194
 
        old = self._update_timer_callback_lock
 
196
 
            self._update_timer_callback_lock += 1
 
198
 
            self._update_timer_callback_lock -= 1
 
199
 
        if old == 0 and self._update_timer_callback_lock:
 
 
170
        if flag and self._update_timer_callback_tag is None:
 
200
171
            # Will update the shown timer value every second
 
201
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
 
172
            self._update_timer_callback_tag = (GLib.timeout_add
 
203
174
                                                self.update_timer))
 
204
 
        elif old and self._update_timer_callback_lock == 0:
 
205
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
175
        elif not (flag or self._update_timer_callback_tag is None):
 
 
176
            GLib.source_remove(self._update_timer_callback_tag)
 
206
177
            self._update_timer_callback_tag = None
 
208
179
    def checker_completed(self, exitstatus, condition, command):
 
209
180
        if exitstatus == 0:
 
 
181
            self.logger('Checker for client {} (command "{}")'
 
 
182
                        ' succeeded'.format(self.properties["Name"],
 
213
187
        if os.WIFEXITED(condition):
 
214
 
            self.logger('Checker for client {0} (command "{1}")'
 
215
 
                        ' failed with exit code {2}'
 
 
188
            self.logger('Checker for client {} (command "{}") failed'
 
216
190
                        .format(self.properties["Name"], command,
 
217
191
                                os.WEXITSTATUS(condition)))
 
218
192
        elif os.WIFSIGNALED(condition):
 
219
 
            self.logger('Checker for client {0} (command "{1}") was'
 
220
 
                        ' killed by signal {2}'
 
 
193
            self.logger('Checker for client {} (command "{}") was'
 
 
194
                        ' killed by signal {}'
 
221
195
                        .format(self.properties["Name"], command,
 
222
196
                                os.WTERMSIG(condition)))
 
223
 
        elif os.WCOREDUMP(condition):
 
224
 
            self.logger('Checker for client {0} (command "{1}")'
 
226
 
                        .format(self.properties["Name"], command))
 
228
 
            self.logger('Checker for client {0} completed'
 
230
 
                        .format(self.properties["Name"]))
 
233
199
    def checker_started(self, command):
 
234
 
        """Server signals that a checker started. This could be useful
 
235
 
           to log in the future. """
 
236
 
        #self.logger('Client {0} started checker "{1}"'
 
237
 
        #            .format(self.properties["Name"],
 
 
200
        """Server signals that a checker started."""
 
 
201
        self.logger('Client {} started checker "{}"'
 
 
202
                    .format(self.properties["Name"],
 
241
205
    def got_secret(self):
 
242
 
        self.logger('Client {0} received its secret'
 
 
206
        self.logger('Client {} received its secret'
 
243
207
                    .format(self.properties["Name"]))
 
245
209
    def need_approval(self, timeout, default):
 
247
 
            message = 'Client {0} needs approval within {1} seconds'
 
 
211
            message = 'Client {} needs approval within {} seconds'
 
249
 
            message = 'Client {0} will get its secret in {1} seconds'
 
 
213
            message = 'Client {} will get its secret in {} seconds'
 
250
214
        self.logger(message.format(self.properties["Name"],
 
252
 
        self.using_timer(True)
 
254
217
    def rejected(self, reason):
 
255
 
        self.logger('Client {0} was rejected; reason: {1}'
 
 
218
        self.logger('Client {} was rejected; reason: {}'
 
256
219
                    .format(self.properties["Name"], reason))
 
258
221
    def selectable(self):
 
 
295
259
            last_approval_request = isoformat_to_datetime(
 
296
260
                self.properties["LastApprovalRequest"])
 
297
261
            if last_approval_request is not None:
 
298
 
                timer = timeout - (datetime.datetime.utcnow()
 
299
 
                                   - last_approval_request)
 
 
262
                timer = max(timeout - (datetime.datetime.utcnow()
 
 
263
                                       - last_approval_request),
 
 
264
                            datetime.timedelta())
 
301
266
                timer = datetime.timedelta()
 
302
267
            if self.properties["ApprovedByDefault"]:
 
303
 
                message = "Approval in {0}. (d)eny?"
 
 
268
                message = "Approval in {}. (d)eny?"
 
305
 
                message = "Denial in {0}. (a)pprove?"
 
306
 
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
 
270
                message = "Denial in {}. (a)pprove?"
 
 
271
            message = message.format(str(timer).rsplit(".", 1)[0])
 
 
272
            self.using_timer(True)
 
307
273
        elif self.properties["LastCheckerStatus"] != 0:
 
308
274
            # When checker has failed, show timer until client expires
 
309
275
            expires = self.properties["Expires"]
 
 
313
279
                expires = (datetime.datetime.strptime
 
314
280
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
315
 
                timer = expires - datetime.datetime.utcnow()
 
 
281
                timer = max(expires - datetime.datetime.utcnow(),
 
 
282
                            datetime.timedelta())
 
316
283
            message = ('A checker has failed! Time until client'
 
317
 
                       ' gets disabled: {0}'
 
318
 
                       .format(unicode(timer).rsplit(".", 1)[0]))
 
 
285
                       .format(str(timer).rsplit(".", 1)[0]))
 
 
286
            self.using_timer(True)
 
320
288
            message = "enabled"
 
321
 
        self._text = "{0}{1}".format(base, message)
 
 
289
            self.using_timer(False)
 
 
290
        self._text = "{}{}".format(base, message)
 
323
292
        if not urwid.supports_unicode():
 
324
293
            self._text = self._text.encode("ascii", "replace")
 
325
294
        textlist = [("normal", self._text)]
 
 
337
306
            self.update_hook()
 
339
308
    def update_timer(self):
 
340
 
        """called by gobject. Will indefinitely loop until
 
341
 
        gobject.source_remove() on tag is called"""
 
 
309
        """called by GLib. Will indefinitely loop until
 
 
310
        GLib.source_remove() on tag is called
 
343
313
        return True             # Keep calling this
 
345
 
    def delete(self, *args, **kwargs):
 
 
315
    def delete(self, **kwargs):
 
346
316
        if self._update_timer_callback_tag is not None:
 
347
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
317
            GLib.source_remove(self._update_timer_callback_tag)
 
348
318
            self._update_timer_callback_tag = None
 
349
319
        for match in self.match_objects:
 
351
321
        self.match_objects = ()
 
352
322
        if self.delete_hook is not None:
 
353
323
            self.delete_hook(self)
 
354
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
 
324
        return super(MandosClientWidget, self).delete(**kwargs)
 
356
326
    def render(self, maxcolrow, focus=False):
 
357
327
        """Render differently if we have focus.
 
 
364
334
        This overrides the method from urwid.FlowWidget"""
 
366
 
            self.proxy.Enable(dbus_interface = client_interface,
 
 
336
            self.proxy.Set(client_interface, "Enabled",
 
 
337
                           dbus.Boolean(True), ignore_reply = True,
 
 
338
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
369
 
            self.proxy.Disable(dbus_interface = client_interface,
 
 
340
            self.proxy.Set(client_interface, "Enabled", False,
 
 
342
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
372
344
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
373
345
                               dbus_interface = client_interface,
 
 
382
354
                                                  ignore_reply=True)
 
384
 
            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
356
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
357
                           dbus.Boolean(True), ignore_reply = True,
 
 
358
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
387
 
            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
360
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
361
                           dbus.Boolean(False), ignore_reply = True,
 
 
362
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
390
364
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
391
365
                                 ignore_reply=True)
 
 
402
 
    def property_changed(self, property=None, value=None,
 
404
 
        """Call self.update() if old value is not new value.
 
 
376
    def properties_changed(self, interface, properties, invalidated):
 
 
377
        """Call self.update() if any properties changed.
 
405
378
        This overrides the method from MandosClientPropertyCache"""
 
406
 
        property_name = unicode(property)
 
407
 
        old_value = self.properties.get(property_name)
 
408
 
        super(MandosClientWidget, self).property_changed(
 
409
 
            property=property, value=value, *args, **kwargs)
 
410
 
        if self.properties.get(property_name) != old_value:
 
 
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):
 
 
437
411
                 "default", "default", None),
 
439
 
                 "default", "default", "bold"),
 
 
413
                 "bold", "default", "bold"),
 
440
414
                ("underline-blink",
 
441
 
                 "default", "default", "underline"),
 
 
415
                 "underline,blink", "default", "underline,blink"),
 
443
 
                 "default", "default", "standout"),
 
 
417
                 "standout", "default", "standout"),
 
444
418
                ("bold-underline-blink",
 
445
 
                 "default", "default", ("bold", "underline")),
 
 
419
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
446
420
                ("bold-standout",
 
447
 
                 "default", "default", ("bold", "standout")),
 
 
421
                 "bold,standout", "default", "bold,standout"),
 
448
422
                ("underline-blink-standout",
 
449
 
                 "default", "default", ("underline", "standout")),
 
 
423
                 "underline,blink,standout", "default",
 
 
424
                 "underline,blink,standout"),
 
450
425
                ("bold-underline-blink-standout",
 
451
 
                 "default", "default", ("bold", "underline",
 
 
426
                 "bold,underline,blink,standout", "default",
 
 
427
                 "bold,underline,blink,standout"),
 
455
430
        if urwid.supports_unicode():
 
 
509
486
            self.uilist.append(self.logbox)
 
510
487
        self.topwidget = urwid.Pile(self.uilist)
 
512
 
    def log_message(self, message):
 
 
489
    def log_message(self, message, level=1):
 
 
490
        """Log message formatted with timestamp"""
 
 
491
        if level < self.log_level:
 
513
493
        timestamp = datetime.datetime.now().isoformat()
 
514
 
        self.log_message_raw(timestamp + ": " + message)
 
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
 
516
 
    def log_message_raw(self, markup):
 
 
497
    def log_message_raw(self, markup, level=1):
 
517
498
        """Add a log message to the log buffer."""
 
 
499
        if level < self.log_level:
 
518
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
519
502
        if (self.max_log_length
 
520
503
            and len(self.log) > self.max_log_length):
 
 
539
522
            self.log_wrap = "clip"
 
540
523
        for textwidget in self.log:
 
541
524
            textwidget.set_wrap_mode(self.log_wrap)
 
542
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
544
 
    def find_and_remove_client(self, path, name):
 
 
528
    def find_and_remove_client(self, path, interfaces):
 
545
529
        """Find a client by its object path and remove it.
 
547
 
        This is connected to the ClientRemoved signal from the
 
 
531
        This is connected to the InterfacesRemoved signal from the
 
548
532
        Mandos server object."""
 
 
533
        if client_interface not in interfaces:
 
 
534
            # Not a Mandos client object; ignore
 
550
537
            client = self.clients_dict[path]
 
553
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
 
540
            self.log_message("Unknown client {!r} removed"
 
558
 
    def add_new_client(self, path):
 
 
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
 
559
554
        client_proxy_object = self.bus.get_object(self.busname, path)
 
560
555
        self.add_client(MandosClientWidget(server_proxy_object
 
561
556
                                           =self.mandos_serv,
 
 
606
599
            mandos_clients = (self.mandos_serv
 
607
600
                              .GetAllClientsWithProperties())
 
 
601
            if not mandos_clients:
 
 
602
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
608
603
        except dbus.exceptions.DBusException:
 
 
604
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
609
605
            mandos_clients = dbus.Dictionary()
 
611
607
        (self.mandos_serv
 
612
 
         .connect_to_signal("ClientRemoved",
 
 
608
         .connect_to_signal("InterfacesRemoved",
 
613
609
                            self.find_and_remove_client,
 
614
 
                            dbus_interface=server_interface,
 
 
611
                            = dbus.OBJECT_MANAGER_IFACE,
 
615
612
                            byte_arrays=True))
 
616
613
        (self.mandos_serv
 
617
 
         .connect_to_signal("ClientAdded",
 
 
614
         .connect_to_signal("InterfacesAdded",
 
618
615
                            self.add_new_client,
 
619
 
                            dbus_interface=server_interface,
 
 
617
                            = dbus.OBJECT_MANAGER_IFACE,
 
620
618
                            byte_arrays=True))
 
621
619
        (self.mandos_serv
 
622
620
         .connect_to_signal("ClientNotFound",
 
623
621
                            self.client_not_found,
 
624
622
                            dbus_interface=server_interface,
 
625
623
                            byte_arrays=True))
 
626
 
        for path, client in mandos_clients.iteritems():
 
 
624
        for path, client in mandos_clients.items():
 
627
625
            client_proxy_object = self.bus.get_object(self.busname,
 
629
627
            self.add_client(MandosClientWidget(server_proxy_object