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