65
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
68
 
    d, t = iso.split(u"T", 1)
 
69
 
    year, month, day = d.split(u"-", 2)
 
70
 
    hour, minute, second = t.split(u":", 2)
 
 
69
    d, t = iso.split("T", 1)
 
 
70
    year, month, day = d.split("-", 2)
 
 
71
    hour, minute, second = t.split(":", 2)
 
71
72
    second, fraction = divmod(float(second), 1)
 
72
73
    return datetime.datetime(int(year),
 
 
86
87
        self.proxy = proxy_object # Mandos Client proxy object
 
88
89
        self.properties = dict()
 
89
 
        self.proxy.connect_to_signal(u"PropertyChanged",
 
90
 
                                     self.property_changed,
 
 
90
        self.property_changed_match = (
 
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
 
92
                                         self.property_changed,
 
94
96
        self.properties.update(
 
95
97
            self.proxy.GetAll(client_interface,
 
96
98
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
98
 
        #XXX This break good super behaviour!
 
 
100
        #XXX This breaks good super behaviour
 
99
101
#        super(MandosClientPropertyCache, self).__init__(
 
100
102
#            *args, **kwargs)
 
 
154
161
        if self.need_approval:
 
155
162
            self.using_timer(True)
 
157
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
158
 
                                     self.checker_completed,
 
161
 
        self.proxy.connect_to_signal(u"CheckerStarted",
 
162
 
                                     self.checker_started,
 
165
 
        self.proxy.connect_to_signal(u"GotSecret",
 
169
 
        self.proxy.connect_to_signal(u"NeedApproval",
 
173
 
        self.proxy.connect_to_signal(u"Rejected",
 
 
164
        self.match_objects = (
 
 
165
            self.proxy.connect_to_signal("CheckerCompleted",
 
 
166
                                         self.checker_completed,
 
 
169
            self.proxy.connect_to_signal("CheckerStarted",
 
 
170
                                         self.checker_started,
 
 
173
            self.proxy.connect_to_signal("GotSecret",
 
 
177
            self.proxy.connect_to_signal("NeedApproval",
 
 
181
            self.proxy.connect_to_signal("Rejected",
 
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
 
178
187
    def property_changed(self, property=None, value=None):
 
179
188
        super(self, MandosClientWidget).property_changed(property,
 
181
 
        if property == u"ApprovalPending":
 
 
190
        if property == "ApprovalPending":
 
182
191
            using_timer(bool(value))
 
184
193
    def using_timer(self, flag):
 
 
213
223
            self.last_checker_failed = True
 
214
224
            self.using_timer(True)
 
215
225
        if os.WIFEXITED(condition):
 
216
 
            self.logger(u'Checker for client %s (command "%s")'
 
217
 
                        u' failed with exit code %s'
 
218
 
                        % (self.properties[u"Name"], command,
 
 
226
            self.logger('Checker for client %s (command "%s")'
 
 
227
                        ' failed with exit code %s'
 
 
228
                        % (self.properties["Name"], command,
 
219
229
                           os.WEXITSTATUS(condition)))
 
220
230
        elif os.WIFSIGNALED(condition):
 
221
 
            self.logger(u'Checker for client %s (command "%s")'
 
222
 
                        u' was killed by signal %s'
 
223
 
                        % (self.properties[u"Name"], command,
 
 
231
            self.logger('Checker for client %s (command "%s")'
 
 
232
                        ' was killed by signal %s'
 
 
233
                        % (self.properties["Name"], command,
 
224
234
                           os.WTERMSIG(condition)))
 
225
235
        elif os.WCOREDUMP(condition):
 
226
 
            self.logger(u'Checker for client %s (command "%s")'
 
228
 
                        % (self.properties[u"Name"], command))
 
 
236
            self.logger('Checker for client %s (command "%s")'
 
 
238
                        % (self.properties["Name"], command))
 
230
 
            self.logger(u'Checker for client %s completed'
 
 
240
            self.logger('Checker for client %s completed'
 
234
244
    def checker_started(self, command):
 
235
 
        #self.logger(u'Client %s started checker "%s"'
 
236
 
        #            % (self.properties[u"Name"], unicode(command)))
 
 
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)))
 
239
251
    def got_secret(self):
 
240
252
        self.last_checker_failed = False
 
241
 
        self.logger(u'Client %s received its secret'
 
242
 
                    % self.properties[u"Name"])
 
 
253
        self.logger('Client %s received its secret'
 
 
254
                    % self.properties["Name"])
 
244
256
    def need_approval(self, timeout, default):
 
246
 
            message = u'Client %s needs approval within %s seconds'
 
 
258
            message = 'Client %s needs approval within %s seconds'
 
248
 
            message = u'Client %s will get its secret in %s seconds'
 
 
260
            message = 'Client %s will get its secret in %s seconds'
 
249
261
        self.logger(message
 
250
 
                    % (self.properties[u"Name"], timeout/1000))
 
 
262
                    % (self.properties["Name"], timeout/1000))
 
251
263
        self.using_timer(True)
 
253
265
    def rejected(self, reason):
 
254
 
        self.logger(u'Client %s was rejected; reason: %s'
 
255
 
                    % (self.properties[u"Name"], reason))
 
 
266
        self.logger('Client %s was rejected; reason: %s'
 
 
267
                    % (self.properties["Name"], reason))
 
257
269
    def selectable(self):
 
258
270
        """Make this a "selectable" widget.
 
259
271
        This overrides the method from urwid.FlowWidget."""
 
262
 
    def rows(self, (maxcol,), focus=False):
 
 
274
    def rows(self, maxcolrow, focus=False):
 
263
275
        """How many rows this widget will occupy might depend on
 
264
276
        whether we have focus or not.
 
265
277
        This overrides the method from urwid.FlowWidget"""
 
266
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
 
278
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
268
280
    def current_widget(self, focus=False):
 
269
281
        if focus or self.opened:
 
 
273
285
    def update(self):
 
274
286
        "Called when what is visible on the screen should be updated."
 
275
287
        # How to add standout mode to a style
 
276
 
        with_standout = { u"normal": u"standout",
 
277
 
                          u"bold": u"bold-standout",
 
279
 
                              u"underline-blink-standout",
 
280
 
                          u"bold-underline-blink":
 
281
 
                              u"bold-underline-blink-standout",
 
 
288
        with_standout = { "normal": "standout",
 
 
289
                          "bold": "bold-standout",
 
 
291
                              "underline-blink-standout",
 
 
292
                          "bold-underline-blink":
 
 
293
                              "bold-underline-blink-standout",
 
284
296
        # Rebuild focus and non-focus widgets using current properties
 
286
298
        # Base part of a client. Name!
 
287
 
        base = (u'%(name)s: '
 
288
 
                      % {u"name": self.properties[u"Name"]})
 
289
 
        if not self.properties[u"Enabled"]:
 
290
 
            message = u"DISABLED"
 
291
 
        elif self.properties[u"ApprovalPending"]:
 
 
300
                      % {"name": self.properties["Name"]})
 
 
301
        if not self.properties["Enabled"]:
 
 
303
        elif self.properties["ApprovalPending"]:
 
292
304
            timeout = datetime.timedelta(milliseconds
 
293
305
                                         = self.properties
 
295
307
            last_approval_request = isoformat_to_datetime(
 
296
 
                self.properties[u"LastApprovalRequest"])
 
 
308
                self.properties["LastApprovalRequest"])
 
297
309
            if last_approval_request is not None:
 
298
310
                timer = timeout - (datetime.datetime.utcnow()
 
299
311
                                   - last_approval_request)
 
301
313
                timer = datetime.timedelta()
 
302
 
            if self.properties[u"ApprovedByDefault"]:
 
303
 
                message = u"Approval in %s. (d)eny?"
 
 
314
            if self.properties["ApprovedByDefault"]:
 
 
315
                message = "Approval in %s. (d)eny?"
 
305
 
                message = u"Denial in %s. (a)pprove?"
 
 
317
                message = "Denial in %s. (a)pprove?"
 
306
318
            message = message % unicode(timer).rsplit(".", 1)[0]
 
307
319
        elif self.last_checker_failed:
 
308
 
            timeout = datetime.timedelta(milliseconds
 
311
 
            last_ok = isoformat_to_datetime(
 
312
 
                max((self.properties[u"LastCheckedOK"]
 
313
 
                     or self.properties[u"Created"]),
 
314
 
                    self.properties[u"LastEnabled"]))
 
315
 
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
316
 
            message = (u'A checker has failed! Time until client'
 
317
 
                       u' gets disabled: %s'
 
 
320
            # When checker has failed, print a timer until client expires
 
 
321
            expires = self.properties["Expires"]
 
 
323
                timer = datetime.timedelta(0)
 
 
325
                expires = datetime.datetime.strptime(expires,
 
 
326
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
 
327
                timer = expires - datetime.datetime.utcnow()
 
 
328
            message = ('A checker has failed! Time until client'
 
318
330
                           % unicode(timer).rsplit(".", 1)[0])
 
321
333
        self._text = "%s%s" % (base, message)
 
323
335
        if not urwid.supports_unicode():
 
324
336
            self._text = self._text.encode("ascii", "replace")
 
325
 
        textlist = [(u"normal", self._text)]
 
 
337
        textlist = [("normal", self._text)]
 
326
338
        self._text_widget.set_text(textlist)
 
327
339
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
337
349
            self.update_hook()
 
339
351
    def update_timer(self):
 
 
352
        """called by gobject. Will indefinitely loop until
 
 
353
        gobject.source_remove() on tag is called"""
 
342
355
        return True             # Keep calling this
 
 
357
    def delete(self, *args, **kwargs):
 
345
358
        if self._update_timer_callback_tag is not None:
 
346
359
            gobject.source_remove(self._update_timer_callback_tag)
 
347
360
            self._update_timer_callback_tag = None
 
 
361
        for match in self.match_objects:
 
 
363
        self.match_objects = ()
 
348
364
        if self.delete_hook is not None:
 
349
365
            self.delete_hook(self)
 
 
366
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
351
 
    def render(self, (maxcol,), focus=False):
 
 
368
    def render(self, maxcolrow, focus=False):
 
352
369
        """Render differently if we have focus.
 
353
370
        This overrides the method from urwid.FlowWidget"""
 
354
 
        return self.current_widget(focus).render((maxcol,),
 
 
371
        return self.current_widget(focus).render(maxcolrow,
 
357
 
    def keypress(self, (maxcol,), key):
 
 
374
    def keypress(self, maxcolrow, key):
 
359
376
        This overrides the method from urwid.FlowWidget"""
 
361
 
            self.proxy.Enable(dbus_interface = client_interface)
 
363
 
            self.proxy.Disable(dbus_interface = client_interface)
 
 
378
            self.proxy.Enable(dbus_interface = client_interface,
 
 
381
            self.proxy.Disable(dbus_interface = client_interface,
 
365
384
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
366
 
                               dbus_interface = client_interface)
 
 
385
                               dbus_interface = client_interface,
 
368
388
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
369
 
                                  dbus_interface = client_interface)
 
370
 
        elif key == u"R" or key == u"_" or key == u"ctrl k":
 
 
389
                                  dbus_interface = client_interface,
 
 
391
        elif key == "R" or key == "_" or key == "ctrl k":
 
371
392
            self.server_proxy_object.RemoveClient(self.proxy
 
374
 
            self.proxy.StartChecker(dbus_interface = client_interface)
 
376
 
            self.proxy.StopChecker(dbus_interface = client_interface)
 
378
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
 
396
            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
399
            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
402
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
380
 
#         elif key == u"p" or key == "=":
 
 
405
#         elif key == "p" or key == "=":
 
381
406
#             self.proxy.pause()
 
382
 
#         elif key == u"u" or key == ":":
 
 
407
#         elif key == "u" or key == ":":
 
383
408
#             self.proxy.unpause()
 
384
 
#         elif key == u"RET":
 
 
403
428
    "down" key presses, thus not allowing any containing widgets to
 
404
429
    use them as an excuse to shift focus away from this widget.
 
406
 
    def keypress(self, (maxcol, maxrow), key):
 
407
 
        ret = super(ConstrainedListBox, self).keypress((maxcol,
 
409
 
        if ret in (u"up", u"down"):
 
 
431
    def keypress(self, maxcolrow, key):
 
 
432
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
 
433
        if ret in ("up", "down"):
 
 
421
445
        self.screen = urwid.curses_display.Screen()
 
423
447
        self.screen.register_palette((
 
425
 
                 u"default", u"default", None),
 
427
 
                 u"default", u"default", u"bold"),
 
429
 
                 u"default", u"default", u"underline"),
 
431
 
                 u"default", u"default", u"standout"),
 
432
 
                (u"bold-underline-blink",
 
433
 
                 u"default", u"default", (u"bold", u"underline")),
 
435
 
                 u"default", u"default", (u"bold", u"standout")),
 
436
 
                (u"underline-blink-standout",
 
437
 
                 u"default", u"default", (u"underline", u"standout")),
 
438
 
                (u"bold-underline-blink-standout",
 
439
 
                 u"default", u"default", (u"bold", u"underline",
 
 
449
                 "default", "default", None),
 
 
451
                 "default", "default", "bold"),
 
 
453
                 "default", "default", "underline"),
 
 
455
                 "default", "default", "standout"),
 
 
456
                ("bold-underline-blink",
 
 
457
                 "default", "default", ("bold", "underline")),
 
 
459
                 "default", "default", ("bold", "standout")),
 
 
460
                ("underline-blink-standout",
 
 
461
                 "default", "default", ("underline", "standout")),
 
 
462
                ("bold-underline-blink-standout",
 
 
463
                 "default", "default", ("bold", "underline",
 
443
467
        if urwid.supports_unicode():
 
444
 
            self.divider = u"─" # \u2500
 
445
 
            #self.divider = u"━" # \u2501
 
 
468
            self.divider = "─" # \u2500
 
 
469
            #self.divider = "━" # \u2501
 
447
 
            #self.divider = u"-" # \u002d
 
448
 
            self.divider = u"_" # \u005f
 
 
471
            #self.divider = "-" # \u002d
 
 
472
            self.divider = "_" # \u005f
 
450
474
        self.screen.start()
 
 
465
489
        # This keeps track of whether self.uilist currently has
 
466
490
        # self.logbox in it or not
 
467
491
        self.log_visible = True
 
468
 
        self.log_wrap = u"any"
 
 
492
        self.log_wrap = "any"
 
471
 
        self.log_message_raw((u"bold",
 
472
 
                              u"Mandos Monitor version " + version))
 
473
 
        self.log_message_raw((u"bold",
 
 
495
        self.log_message_raw(("bold",
 
 
496
                              "Mandos Monitor version " + version))
 
 
497
        self.log_message_raw(("bold",
 
476
500
        self.busname = domain + '.Mandos'
 
477
501
        self.main_loop = gobject.MainLoop()
 
478
 
        self.bus = dbus.SystemBus()
 
479
 
        mandos_dbus_objc = self.bus.get_object(
 
480
 
            self.busname, u"/", follow_name_owner_changes=True)
 
481
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
485
 
            mandos_clients = (self.mandos_serv
 
486
 
                              .GetAllClientsWithProperties())
 
487
 
        except dbus.exceptions.DBusException:
 
488
 
            mandos_clients = dbus.Dictionary()
 
491
 
         .connect_to_signal(u"ClientRemoved",
 
492
 
                            self.find_and_remove_client,
 
493
 
                            dbus_interface=server_interface,
 
496
 
         .connect_to_signal(u"ClientAdded",
 
498
 
                            dbus_interface=server_interface,
 
501
 
         .connect_to_signal(u"ClientNotFound",
 
502
 
                            self.client_not_found,
 
503
 
                            dbus_interface=server_interface,
 
505
 
        for path, client in mandos_clients.iteritems():
 
506
 
            client_proxy_object = self.bus.get_object(self.busname,
 
508
 
            self.add_client(MandosClientWidget(server_proxy_object
 
511
 
                                               =client_proxy_object,
 
521
503
    def client_not_found(self, fingerprint, address):
 
522
 
        self.log_message((u"Client with address %s and fingerprint %s"
 
523
 
                          u" could not be found" % (address,
 
 
504
        self.log_message(("Client with address %s and fingerprint %s"
 
 
505
                          " could not be found" % (address,
 
526
508
    def rebuild(self):
 
 
551
532
            and len(self.log) > self.max_log_length):
 
552
533
            del self.log[0:len(self.log)-self.max_log_length-1]
 
553
534
        self.logbox.set_focus(len(self.logbox.body.contents),
 
554
 
                              coming_from=u"above")
 
557
538
    def toggle_log_display(self):
 
558
539
        """Toggle visibility of the log buffer."""
 
559
540
        self.log_visible = not self.log_visible
 
561
 
        #self.log_message(u"Log visibility changed to: "
 
 
542
        #self.log_message("Log visibility changed to: "
 
562
543
        #                 + unicode(self.log_visible))
 
564
545
    def change_log_display(self):
 
565
546
        """Change type of log display.
 
566
547
        Currently, this toggles wrapping of text lines."""
 
567
 
        if self.log_wrap == u"clip":
 
568
 
            self.log_wrap = u"any"
 
 
548
        if self.log_wrap == "clip":
 
 
549
            self.log_wrap = "any"
 
570
 
            self.log_wrap = u"clip"
 
 
551
            self.log_wrap = "clip"
 
571
552
        for textwidget in self.log:
 
572
553
            textwidget.set_wrap_mode(self.log_wrap)
 
573
 
        #self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
554
        #self.log_message("Wrap mode: " + self.log_wrap)
 
575
556
    def find_and_remove_client(self, path, name):
 
576
 
        """Find an client from its object path and remove it.
 
 
557
        """Find a client by its object path and remove it.
 
578
559
        This is connected to the ClientRemoved signal from the
 
579
560
        Mandos server object."""
 
 
627
610
        """Start the main loop and exit when it's done."""
 
 
611
        self.bus = dbus.SystemBus()
 
 
612
        mandos_dbus_objc = self.bus.get_object(
 
 
613
            self.busname, "/", follow_name_owner_changes=True)
 
 
614
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
618
            mandos_clients = (self.mandos_serv
 
 
619
                              .GetAllClientsWithProperties())
 
 
620
        except dbus.exceptions.DBusException:
 
 
621
            mandos_clients = dbus.Dictionary()
 
 
624
         .connect_to_signal("ClientRemoved",
 
 
625
                            self.find_and_remove_client,
 
 
626
                            dbus_interface=server_interface,
 
 
629
         .connect_to_signal("ClientAdded",
 
 
631
                            dbus_interface=server_interface,
 
 
634
         .connect_to_signal("ClientNotFound",
 
 
635
                            self.client_not_found,
 
 
636
                            dbus_interface=server_interface,
 
 
638
        for path, client in mandos_clients.iteritems():
 
 
639
            client_proxy_object = self.bus.get_object(self.busname,
 
 
641
            self.add_client(MandosClientWidget(server_proxy_object
 
 
644
                                               =client_proxy_object,
 
629
655
        self._input_callback_tag = (gobject.io_add_watch
 
630
656
                                    (sys.stdin.fileno(),
 
 
641
667
    def process_input(self, source, condition):
 
642
668
        keys = self.screen.get_input()
 
643
 
        translations = { u"ctrl n": u"down",      # Emacs
 
644
 
                         u"ctrl p": u"up",        # Emacs
 
645
 
                         u"ctrl v": u"page down", # Emacs
 
646
 
                         u"meta v": u"page up",   # Emacs
 
647
 
                         u" ": u"page down",      # less
 
648
 
                         u"f": u"page down",      # less
 
649
 
                         u"b": u"page up",        # less
 
 
669
        translations = { "ctrl n": "down",      # Emacs
 
 
670
                         "ctrl p": "up",        # Emacs
 
 
671
                         "ctrl v": "page down", # Emacs
 
 
672
                         "meta v": "page up",   # Emacs
 
 
673
                         " ": "page down",      # less
 
 
674
                         "f": "page down",      # less
 
 
675
                         "b": "page up",        # less
 
 
656
682
            except KeyError:    # :-)
 
659
 
            if key == u"q" or key == u"Q":
 
 
685
            if key == "q" or key == "Q":
 
662
 
            elif key == u"window resize":
 
 
688
            elif key == "window resize":
 
663
689
                self.size = self.screen.get_cols_rows()
 
665
 
            elif key == u"\f":  # Ctrl-L
 
 
691
            elif key == "\f":  # Ctrl-L
 
667
 
            elif key == u"l" or key == u"D":
 
 
693
            elif key == "l" or key == "D":
 
668
694
                self.toggle_log_display()
 
670
 
            elif key == u"w" or key == u"i":
 
 
696
            elif key == "w" or key == "i":
 
671
697
                self.change_log_display()
 
673
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
 
699
            elif key == "?" or key == "f1" or key == "esc":
 
674
700
                if not self.log_visible:
 
675
701
                    self.log_visible = True
 
677
 
                self.log_message_raw((u"bold",
 
681
 
                                            u"l: Log window toggle",
 
682
 
                                            u"TAB: Switch window",
 
684
 
                self.log_message_raw((u"bold",
 
690
 
                                             u"s: Start new checker",
 
 
703
                self.log_message_raw(("bold",
 
 
707
                                            "l: Log window toggle",
 
 
708
                                            "TAB: Switch window",
 
 
710
                self.log_message_raw(("bold",
 
 
716
                                             "s: Start new checker",
 
697
723
                if self.topwidget.get_focus() is self.logbox:
 
698
724
                    self.topwidget.set_focus(0)
 
700
726
                    self.topwidget.set_focus(self.logbox)
 
702
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
728
            #elif (key == "end" or key == "meta >" or key == "G"
 
704
730
            #    pass            # xxx end-of-buffer
 
705
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
731
            #elif (key == "home" or key == "meta <" or key == "g"
 
707
733
            #    pass            # xxx beginning-of-buffer
 
708
 
            #elif key == u"ctrl e" or key == u"$":
 
 
734
            #elif key == "ctrl e" or key == "$":
 
709
735
            #    pass            # xxx move-end-of-line
 
710
 
            #elif key == u"ctrl a" or key == u"^":
 
 
736
            #elif key == "ctrl a" or key == "^":
 
711
737
            #    pass            # xxx move-beginning-of-line
 
712
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
738
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
713
739
            #    pass            # xxx left
 
714
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
740
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
715
741
            #    pass            # xxx right
 
717
743
            #    pass            # scroll up log
 
719
745
            #    pass            # scroll down log
 
720
746
            elif self.topwidget.selectable():
 
721
747
                self.topwidget.keypress(self.size, key)