57
52
domain = 'se.recompile'
 
58
53
server_interface = domain + '.Mandos'
 
59
54
client_interface = domain + '.Mandos.Client'
 
63
 
    dbus.OBJECT_MANAGER_IFACE
 
64
 
except AttributeError:
 
65
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
57
# Always run in monochrome mode
 
 
58
urwid.curses_display.curses.has_colors = lambda : False
 
 
60
# Urwid doesn't support blinking, but we want it.  Since we have no
 
 
61
# use for underline on its own, we make underline also always blink.
 
 
62
urwid.curses_display.curses.A_UNDERLINE |= (
 
 
63
    urwid.curses_display.curses.A_BLINK)
 
67
65
def isoformat_to_datetime(iso):
 
68
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
 
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 {0}'
 
 
176
        #            .format(self.properties["Name"]))
 
 
178
    def property_changed(self, property=None, value=None):
 
 
179
        super(self, MandosClientWidget).property_changed(property,
 
 
181
        if property == "ApprovalPending":
 
 
182
            using_timer(bool(value))
 
 
183
        if property == "LastCheckerStatus":
 
 
184
            using_timer(value != 0)
 
 
185
            #self.logger('Checker for client {0} (command "{1}") was '
 
 
186
            #            ' successful'.format(self.properties["Name"],
 
166
189
    def using_timer(self, flag):
 
167
190
        """Call this method with True or False when timer should be
 
168
191
        activated or deactivated.
 
170
 
        if flag and self._update_timer_callback_tag is None:
 
 
193
        old = self._update_timer_callback_lock
 
 
195
            self._update_timer_callback_lock += 1
 
 
197
            self._update_timer_callback_lock -= 1
 
 
198
        if old == 0 and self._update_timer_callback_lock:
 
171
199
            # Will update the shown timer value every second
 
172
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
 
200
            self._update_timer_callback_tag = (gobject.timeout_add
 
174
202
                                                self.update_timer))
 
175
 
        elif not (flag or self._update_timer_callback_tag is None):
 
176
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
203
        elif old and self._update_timer_callback_lock == 0:
 
 
204
            gobject.source_remove(self._update_timer_callback_tag)
 
177
205
            self._update_timer_callback_tag = None
 
179
207
    def checker_completed(self, exitstatus, condition, command):
 
180
208
        if exitstatus == 0:
 
181
 
            self.logger('Checker for client {} (command "{}")'
 
182
 
                        ' succeeded'.format(self.properties["Name"],
 
187
212
        if os.WIFEXITED(condition):
 
188
 
            self.logger('Checker for client {} (command "{}") failed'
 
 
213
            self.logger('Checker for client {0} (command "{1}")'
 
 
214
                        ' failed with exit code {2}'
 
190
215
                        .format(self.properties["Name"], command,
 
191
216
                                os.WEXITSTATUS(condition)))
 
192
217
        elif os.WIFSIGNALED(condition):
 
193
 
            self.logger('Checker for client {} (command "{}") was'
 
194
 
                        ' killed by signal {}'
 
 
218
            self.logger('Checker for client {0} (command "{1}") was'
 
 
219
                        ' killed by signal {2}'
 
195
220
                        .format(self.properties["Name"], command,
 
196
221
                                os.WTERMSIG(condition)))
 
 
222
        elif os.WCOREDUMP(condition):
 
 
223
            self.logger('Checker for client {0} (command "{1}")'
 
 
225
                        .format(self.properties["Name"], command))
 
 
227
            self.logger('Checker for client {0} completed'
 
 
229
                        .format(self.properties["Name"]))
 
199
232
    def checker_started(self, command):
 
200
 
        """Server signals that a checker started."""
 
201
 
        self.logger('Client {} started checker "{}"'
 
202
 
                    .format(self.properties["Name"],
 
 
233
        """Server signals that a checker started. This could be useful
 
 
234
           to log in the future. """
 
 
235
        #self.logger('Client {0} started checker "{1}"'
 
 
236
        #            .format(self.properties["Name"],
 
205
240
    def got_secret(self):
 
206
 
        self.logger('Client {} received its secret'
 
 
241
        self.logger('Client {0} received its secret'
 
207
242
                    .format(self.properties["Name"]))
 
209
244
    def need_approval(self, timeout, default):
 
211
 
            message = 'Client {} needs approval within {} seconds'
 
 
246
            message = 'Client {0} needs approval within {1} seconds'
 
213
 
            message = 'Client {} will get its secret in {} seconds'
 
 
248
            message = 'Client {0} will get its secret in {1} seconds'
 
214
249
        self.logger(message.format(self.properties["Name"],
 
 
251
        self.using_timer(True)
 
217
253
    def rejected(self, reason):
 
218
 
        self.logger('Client {} was rejected; reason: {}'
 
 
254
        self.logger('Client {0} was rejected; reason: {1}'
 
219
255
                    .format(self.properties["Name"], reason))
 
221
257
    def selectable(self):
 
 
259
294
            last_approval_request = isoformat_to_datetime(
 
260
295
                self.properties["LastApprovalRequest"])
 
261
296
            if last_approval_request is not None:
 
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
263
 
                                       - last_approval_request),
 
264
 
                            datetime.timedelta())
 
 
297
                timer = timeout - (datetime.datetime.utcnow()
 
 
298
                                   - last_approval_request)
 
266
300
                timer = datetime.timedelta()
 
267
301
            if self.properties["ApprovedByDefault"]:
 
268
 
                message = "Approval in {}. (d)eny?"
 
 
302
                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)
 
 
304
                message = "Denial in {0}. (a)pprove?"
 
 
305
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
273
306
        elif self.properties["LastCheckerStatus"] != 0:
 
274
 
            # When checker has failed, show timer until client expires
 
 
307
            # When checker has failed, print a timer until client expires
 
275
308
            expires = self.properties["Expires"]
 
276
309
            if expires == "":
 
277
310
                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())
 
 
312
                expires = datetime.datetime.strptime(expires,
 
 
313
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
 
314
                timer = expires - datetime.datetime.utcnow()
 
283
315
            message = ('A checker has failed! Time until client'
 
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
286
 
            self.using_timer(True)
 
 
316
                       ' gets disabled: {0}'
 
 
317
                       .format(unicode(timer).rsplit(".", 1)[0]))
 
288
319
            message = "enabled"
 
289
 
            self.using_timer(False)
 
290
 
        self._text = "{}{}".format(base, message)
 
 
320
        self._text = "{0}{1}".format(base, message)
 
292
322
        if not urwid.supports_unicode():
 
293
323
            self._text = self._text.encode("ascii", "replace")
 
294
324
        textlist = [("normal", self._text)]
 
 
306
336
            self.update_hook()
 
308
338
    def update_timer(self):
 
309
 
        """called by GLib. Will indefinitely loop until
 
310
 
        GLib.source_remove() on tag is called
 
 
339
        """called by gobject. Will indefinitely loop until
 
 
340
        gobject.source_remove() on tag is called"""
 
313
342
        return True             # Keep calling this
 
315
 
    def delete(self, **kwargs):
 
 
344
    def delete(self, *args, **kwargs):
 
316
345
        if self._update_timer_callback_tag is not None:
 
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
346
            gobject.source_remove(self._update_timer_callback_tag)
 
318
347
            self._update_timer_callback_tag = None
 
319
348
        for match in self.match_objects:
 
321
350
        self.match_objects = ()
 
322
351
        if self.delete_hook is not None:
 
323
352
            self.delete_hook(self)
 
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
353
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
326
355
    def render(self, maxcolrow, focus=False):
 
327
356
        """Render differently if we have focus.
 
 
334
363
        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)
 
 
365
            self.proxy.Enable(dbus_interface = client_interface,
 
340
 
            self.proxy.Set(client_interface, "Enabled", False,
 
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
 
368
            self.proxy.Disable(dbus_interface = client_interface,
 
344
371
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
345
372
                               dbus_interface = client_interface,
 
 
354
381
                                                  ignore_reply=True)
 
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
357
 
                           dbus.Boolean(True), ignore_reply = True,
 
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
 
383
            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)
 
 
386
            self.proxy.StopChecker(dbus_interface = client_interface,
 
364
389
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
365
390
                                 ignore_reply=True)
 
 
376
 
    def properties_changed(self, interface, properties, invalidated):
 
377
 
        """Call self.update() if any properties changed.
 
 
401
    def property_changed(self, property=None, value=None,
 
 
403
        """Call self.update() if old value is not new value.
 
378
404
        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):
 
 
405
        property_name = unicode(property)
 
 
406
        old_value = self.properties.get(property_name)
 
 
407
        super(MandosClientWidget, self).property_changed(
 
 
408
            property=property, value=value, *args, **kwargs)
 
 
409
        if self.properties.get(property_name) != old_value:
 
 
411
436
                 "default", "default", None),
 
413
 
                 "bold", "default", "bold"),
 
 
438
                 "default", "default", "bold"),
 
414
439
                ("underline-blink",
 
415
 
                 "underline,blink", "default", "underline,blink"),
 
 
440
                 "default", "default", "underline"),
 
417
 
                 "standout", "default", "standout"),
 
 
442
                 "default", "default", "standout"),
 
418
443
                ("bold-underline-blink",
 
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
 
444
                 "default", "default", ("bold", "underline")),
 
420
445
                ("bold-standout",
 
421
 
                 "bold,standout", "default", "bold,standout"),
 
 
446
                 "default", "default", ("bold", "standout")),
 
422
447
                ("underline-blink-standout",
 
423
 
                 "underline,blink,standout", "default",
 
424
 
                 "underline,blink,standout"),
 
 
448
                 "default", "default", ("underline", "standout")),
 
425
449
                ("bold-underline-blink-standout",
 
426
 
                 "bold,underline,blink,standout", "default",
 
427
 
                 "bold,underline,blink,standout"),
 
 
450
                 "default", "default", ("bold", "underline",
 
430
454
        if urwid.supports_unicode():
 
 
486
508
            self.uilist.append(self.logbox)
 
487
509
        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:
 
 
511
    def log_message(self, message):
 
493
512
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
513
        self.log_message_raw(timestamp + ": " + message)
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
515
    def log_message_raw(self, markup):
 
498
516
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
517
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
502
518
        if (self.max_log_length
 
503
519
            and len(self.log) > self.max_log_length):
 
 
522
538
            self.log_wrap = "clip"
 
523
539
        for textwidget in self.log:
 
524
540
            textwidget.set_wrap_mode(self.log_wrap)
 
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
541
        #self.log_message("Wrap mode: " + self.log_wrap)
 
528
 
    def find_and_remove_client(self, path, interfaces):
 
 
543
    def find_and_remove_client(self, path, name):
 
529
544
        """Find a client by its object path and remove it.
 
531
 
        This is connected to the InterfacesRemoved signal from the
 
 
546
        This is connected to the ClientRemoved signal from the
 
532
547
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
549
            client = self.clients_dict[path]
 
540
 
            self.log_message("Unknown client {!r} removed"
 
 
552
            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
 
 
557
    def add_new_client(self, path):
 
554
558
        client_proxy_object = self.bus.get_object(self.busname, path)
 
555
559
        self.add_client(MandosClientWidget(server_proxy_object
 
556
560
                                           =self.mandos_serv,
 
 
599
605
            mandos_clients = (self.mandos_serv
 
600
606
                              .GetAllClientsWithProperties())
 
601
 
            if not mandos_clients:
 
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
603
607
        except dbus.exceptions.DBusException:
 
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
605
608
            mandos_clients = dbus.Dictionary()
 
607
610
        (self.mandos_serv
 
608
 
         .connect_to_signal("InterfacesRemoved",
 
 
611
         .connect_to_signal("ClientRemoved",
 
609
612
                            self.find_and_remove_client,
 
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
 
613
                            dbus_interface=server_interface,
 
612
614
                            byte_arrays=True))
 
613
615
        (self.mandos_serv
 
614
 
         .connect_to_signal("InterfacesAdded",
 
 
616
         .connect_to_signal("ClientAdded",
 
615
617
                            self.add_new_client,
 
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
 
618
                            dbus_interface=server_interface,
 
618
619
                            byte_arrays=True))
 
619
620
        (self.mandos_serv
 
620
621
         .connect_to_signal("ClientNotFound",
 
621
622
                            self.client_not_found,
 
622
623
                            dbus_interface=server_interface,
 
623
624
                            byte_arrays=True))
 
624
 
        for path, client in mandos_clients.items():
 
 
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        for path, client in mandos_clients.iteritems():
 
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            client_proxy_object = self.bus.get_object(self.busname,
 
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            self.add_client(MandosClientWidget(server_proxy_object