86
130
        self.logger = logger
 
 
132
        self._update_timer_callback_tag = None
 
 
133
        self._update_timer_callback_lock = 0
 
 
134
        self.last_checker_failed = False
 
88
136
        # The widget shown normally
 
89
 
        self._text_widget = urwid.Text(u"")
 
 
137
        self._text_widget = urwid.Text("")
 
90
138
        # The widget shown when we have focus
 
91
 
        self._focus_text_widget = urwid.Text(u"")
 
 
139
        self._focus_text_widget = urwid.Text("")
 
92
140
        super(MandosClientWidget, self).__init__(
 
93
141
            update_hook=update_hook, delete_hook=delete_hook,
 
96
144
        self.opened = False
 
97
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
98
 
                                     self.checker_completed,
 
101
 
        self.proxy.connect_to_signal(u"CheckerStarted",
 
102
 
                                     self.checker_started,
 
105
 
        self.proxy.connect_to_signal(u"GotSecret",
 
109
 
        self.proxy.connect_to_signal(u"NeedApproval",
 
113
 
        self.proxy.connect_to_signal(u"Rejected",
 
 
146
        last_checked_ok = isoformat_to_datetime(self.properties
 
 
148
        if last_checked_ok is None:
 
 
149
            self.last_checker_failed = True
 
 
151
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
 
158
        if self.last_checker_failed:
 
 
159
            self.using_timer(True)
 
 
161
        if self.need_approval:
 
 
162
            self.using_timer(True)
 
 
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"]))
 
 
187
    def property_changed(self, property=None, value=None):
 
 
188
        super(self, MandosClientWidget).property_changed(property,
 
 
190
        if property == "ApprovalPending":
 
 
191
            using_timer(bool(value))
 
 
193
    def using_timer(self, flag):
 
 
194
        """Call this method with True or False when timer should be
 
 
195
        activated or deactivated.
 
 
197
        old = self._update_timer_callback_lock
 
 
199
            self._update_timer_callback_lock += 1
 
 
201
            self._update_timer_callback_lock -= 1
 
 
202
        if old == 0 and self._update_timer_callback_lock:
 
 
203
            # Will update the shown timer value every second
 
 
204
            self._update_timer_callback_tag = (gobject.timeout_add
 
 
207
        elif old and self._update_timer_callback_lock == 0:
 
 
208
            gobject.source_remove(self._update_timer_callback_tag)
 
 
209
            self._update_timer_callback_tag = None
 
118
211
    def checker_completed(self, exitstatus, condition, command):
 
119
212
        if exitstatus == 0:
 
120
 
            #self.logger(u'Checker for client %s (command "%s")'
 
122
 
            #            % (self.properties[u"name"], command))
 
 
213
            if self.last_checker_failed:
 
 
214
                self.last_checker_failed = False
 
 
215
                self.using_timer(False)
 
 
216
            #self.logger('Checker for client %s (command "%s")'
 
 
218
            #            % (self.properties["Name"], command))
 
 
222
        if not self.last_checker_failed:
 
 
223
            self.last_checker_failed = True
 
 
224
            self.using_timer(True)
 
124
225
        if os.WIFEXITED(condition):
 
125
 
            self.logger(u'Checker for client %s (command "%s")'
 
126
 
                        u' failed with exit code %s'
 
127
 
                        % (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,
 
128
229
                           os.WEXITSTATUS(condition)))
 
130
 
        if os.WIFSIGNALED(condition):
 
131
 
            self.logger(u'Checker for client %s (command "%s")'
 
132
 
                        u' was killed by signal %s'
 
133
 
                        % (self.properties[u"name"], command,
 
 
230
        elif os.WIFSIGNALED(condition):
 
 
231
            self.logger('Checker for client %s (command "%s")'
 
 
232
                        ' was killed by signal %s'
 
 
233
                        % (self.properties["Name"], command,
 
134
234
                           os.WTERMSIG(condition)))
 
136
 
        if os.WCOREDUMP(condition):
 
137
 
            self.logger(u'Checker for client %s (command "%s")'
 
139
 
                        % (self.properties[u"name"], command))
 
140
 
        self.logger(u'Checker for client %s completed mysteriously')
 
 
235
        elif os.WCOREDUMP(condition):
 
 
236
            self.logger('Checker for client %s (command "%s")'
 
 
238
                        % (self.properties["Name"], command))
 
 
240
            self.logger('Checker for client %s completed'
 
142
244
    def checker_started(self, command):
 
143
 
        #self.logger(u'Client %s started checker "%s"'
 
144
 
        #            % (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)))
 
147
251
    def got_secret(self):
 
148
 
        self.logger(u'Client %s received its secret'
 
149
 
                    % self.properties[u"name"])
 
 
252
        self.last_checker_failed = False
 
 
253
        self.logger('Client %s received its secret'
 
 
254
                    % self.properties["Name"])
 
151
256
    def need_approval(self, timeout, default):
 
153
 
            message = u'Client %s needs approval within %s seconds'
 
 
258
            message = 'Client %s needs approval within %s seconds'
 
155
 
            message = u'Client %s will get its secret in %s seconds'
 
 
260
            message = 'Client %s will get its secret in %s seconds'
 
156
261
        self.logger(message
 
157
 
                    % (self.properties[u"name"], timeout/1000))
 
 
262
                    % (self.properties["Name"], timeout/1000))
 
 
263
        self.using_timer(True)
 
159
265
    def rejected(self, reason):
 
160
 
        self.logger(u'Client %s was rejected; reason: %s'
 
161
 
                    % (self.properties[u"name"], reason))
 
 
266
        self.logger('Client %s was rejected; reason: %s'
 
 
267
                    % (self.properties["Name"], reason))
 
163
269
    def selectable(self):
 
164
270
        """Make this a "selectable" widget.
 
165
271
        This overrides the method from urwid.FlowWidget."""
 
168
 
    def rows(self, (maxcol,), focus=False):
 
 
274
    def rows(self, maxcolrow, focus=False):
 
169
275
        """How many rows this widget will occupy might depend on
 
170
276
        whether we have focus or not.
 
171
277
        This overrides the method from urwid.FlowWidget"""
 
172
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
 
278
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
174
280
    def current_widget(self, focus=False):
 
175
281
        if focus or self.opened:
 
 
179
285
    def update(self):
 
180
286
        "Called when what is visible on the screen should be updated."
 
181
287
        # How to add standout mode to a style
 
182
 
        with_standout = { u"normal": u"standout",
 
183
 
                          u"bold": u"bold-standout",
 
185
 
                              u"underline-blink-standout",
 
186
 
                          u"bold-underline-blink":
 
187
 
                              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",
 
190
296
        # Rebuild focus and non-focus widgets using current properties
 
192
298
        # Base part of a client. Name!
 
193
 
        self._text = (u'%(name)s: '
 
194
 
                      % {u"name": self.properties[u"name"]})
 
196
 
        if self.properties[u"approved_pending"]:
 
197
 
            if self.properties[u"approved_by_default"]:
 
198
 
                self._text += u"Connection established to client. (d)eny?"
 
200
 
                self._text += u"Seeks approval to send secret. (a)pprove?"
 
 
300
                      % {"name": self.properties["Name"]})
 
 
301
        if not self.properties["Enabled"]:
 
 
303
        elif self.properties["ApprovalPending"]:
 
 
304
            timeout = datetime.timedelta(milliseconds
 
 
307
            last_approval_request = isoformat_to_datetime(
 
 
308
                self.properties["LastApprovalRequest"])
 
 
309
            if last_approval_request is not None:
 
 
310
                timer = timeout - (datetime.datetime.utcnow()
 
 
311
                                   - last_approval_request)
 
 
313
                timer = datetime.timedelta()
 
 
314
            if self.properties["ApprovedByDefault"]:
 
 
315
                message = "Approval in %s. (d)eny?"
 
 
317
                message = "Denial in %s. (a)pprove?"
 
 
318
            message = message % unicode(timer).rsplit(".", 1)[0]
 
 
319
        elif self.last_checker_failed:
 
 
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'
 
 
330
                           % unicode(timer).rsplit(".", 1)[0])
 
202
 
            self._text += (u'%(enabled)s'
 
205
 
                                if self.properties[u"enabled"]
 
 
333
        self._text = "%s%s" % (base, message)
 
207
335
        if not urwid.supports_unicode():
 
208
336
            self._text = self._text.encode("ascii", "replace")
 
209
 
        textlist = [(u"normal", self._text)]
 
 
337
        textlist = [("normal", self._text)]
 
210
338
        self._text_widget.set_text(textlist)
 
211
339
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
220
348
        if self.update_hook is not None:
 
221
349
            self.update_hook()
 
 
351
    def update_timer(self):
 
 
352
        """called by gobject. Will indefinitely loop until
 
 
353
        gobject.source_remove() on tag is called"""
 
 
355
        return True             # Keep calling this
 
 
357
    def delete(self, *args, **kwargs):
 
 
358
        if self._update_timer_callback_tag is not None:
 
 
359
            gobject.source_remove(self._update_timer_callback_tag)
 
 
360
            self._update_timer_callback_tag = None
 
 
361
        for match in self.match_objects:
 
 
363
        self.match_objects = ()
 
224
364
        if self.delete_hook is not None:
 
225
365
            self.delete_hook(self)
 
 
366
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
227
 
    def render(self, (maxcol,), focus=False):
 
 
368
    def render(self, maxcolrow, focus=False):
 
228
369
        """Render differently if we have focus.
 
229
370
        This overrides the method from urwid.FlowWidget"""
 
230
 
        return self.current_widget(focus).render((maxcol,),
 
 
371
        return self.current_widget(focus).render(maxcolrow,
 
233
 
    def keypress(self, (maxcol,), key):
 
 
374
    def keypress(self, maxcolrow, key):
 
235
376
        This overrides the method from urwid.FlowWidget"""
 
237
 
            self.proxy.Enable(dbus_interface = client_interface)
 
239
 
            self.proxy.Disable(dbus_interface = client_interface)
 
 
378
            self.proxy.Enable(dbus_interface = client_interface,
 
 
381
            self.proxy.Disable(dbus_interface = client_interface,
 
241
384
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
242
 
                               dbus_interface = client_interface)
 
 
385
                               dbus_interface = client_interface,
 
244
388
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
245
 
                                  dbus_interface = client_interface)
 
246
 
        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":
 
247
392
            self.server_proxy_object.RemoveClient(self.proxy
 
250
 
            self.proxy.StartChecker(dbus_interface = client_interface)
 
252
 
            self.proxy.StopChecker(dbus_interface = client_interface)
 
254
 
            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,
 
256
 
#         elif key == u"p" or key == "=":
 
 
405
#         elif key == "p" or key == "=":
 
257
406
#             self.proxy.pause()
 
258
 
#         elif key == u"u" or key == ":":
 
 
407
#         elif key == "u" or key == ":":
 
259
408
#             self.proxy.unpause()
 
260
 
#         elif key == u"RET":
 
263
 
#            self.proxy.Approve(True)
 
265
 
#            self.proxy.Approve(False)
 
 
300
445
        self.screen = urwid.curses_display.Screen()
 
302
447
        self.screen.register_palette((
 
304
 
                 u"default", u"default", None),
 
306
 
                 u"default", u"default", u"bold"),
 
308
 
                 u"default", u"default", u"underline"),
 
310
 
                 u"default", u"default", u"standout"),
 
311
 
                (u"bold-underline-blink",
 
312
 
                 u"default", u"default", (u"bold", u"underline")),
 
314
 
                 u"default", u"default", (u"bold", u"standout")),
 
315
 
                (u"underline-blink-standout",
 
316
 
                 u"default", u"default", (u"underline", u"standout")),
 
317
 
                (u"bold-underline-blink-standout",
 
318
 
                 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",
 
322
467
        if urwid.supports_unicode():
 
323
 
            self.divider = u"─" # \u2500
 
324
 
            #self.divider = u"━" # \u2501
 
 
468
            self.divider = "─" # \u2500
 
 
469
            #self.divider = "━" # \u2501
 
326
 
            #self.divider = u"-" # \u002d
 
327
 
            self.divider = u"_" # \u005f
 
 
471
            #self.divider = "-" # \u002d
 
 
472
            self.divider = "_" # \u005f
 
329
474
        self.screen.start()
 
 
344
489
        # This keeps track of whether self.uilist currently has
 
345
490
        # self.logbox in it or not
 
346
491
        self.log_visible = True
 
347
 
        self.log_wrap = u"any"
 
 
492
        self.log_wrap = "any"
 
350
 
        self.log_message_raw((u"bold",
 
351
 
                              u"Mandos Monitor version " + version))
 
352
 
        self.log_message_raw((u"bold",
 
 
495
        self.log_message_raw(("bold",
 
 
496
                              "Mandos Monitor version " + version))
 
 
497
        self.log_message_raw(("bold",
 
355
500
        self.busname = domain + '.Mandos'
 
356
501
        self.main_loop = gobject.MainLoop()
 
357
 
        self.bus = dbus.SystemBus()
 
358
 
        mandos_dbus_objc = self.bus.get_object(
 
359
 
            self.busname, u"/", follow_name_owner_changes=True)
 
360
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
364
 
            mandos_clients = (self.mandos_serv
 
365
 
                              .GetAllClientsWithProperties())
 
366
 
        except dbus.exceptions.DBusException:
 
367
 
            mandos_clients = dbus.Dictionary()
 
370
 
         .connect_to_signal(u"ClientRemoved",
 
371
 
                            self.find_and_remove_client,
 
372
 
                            dbus_interface=server_interface,
 
375
 
         .connect_to_signal(u"ClientAdded",
 
377
 
                            dbus_interface=server_interface,
 
380
 
         .connect_to_signal(u"ClientNotFound",
 
381
 
                            self.client_not_found,
 
382
 
                            dbus_interface=server_interface,
 
384
 
        for path, client in mandos_clients.iteritems():
 
385
 
            client_proxy_object = self.bus.get_object(self.busname,
 
387
 
            self.add_client(MandosClientWidget(server_proxy_object
 
390
 
                                               =client_proxy_object,
 
400
503
    def client_not_found(self, fingerprint, address):
 
401
 
        self.log_message((u"Client with address %s and fingerprint %s"
 
402
 
                          u" could not be found" % (address,
 
 
504
        self.log_message(("Client with address %s and fingerprint %s"
 
 
505
                          " could not be found" % (address,
 
405
508
    def rebuild(self):
 
 
427
532
            and len(self.log) > self.max_log_length):
 
428
533
            del self.log[0:len(self.log)-self.max_log_length-1]
 
429
534
        self.logbox.set_focus(len(self.logbox.body.contents),
 
430
 
                              coming_from=u"above")
 
433
538
    def toggle_log_display(self):
 
434
539
        """Toggle visibility of the log buffer."""
 
435
540
        self.log_visible = not self.log_visible
 
437
 
        self.log_message(u"Log visibility changed to: "
 
438
 
                         + unicode(self.log_visible))
 
 
542
        #self.log_message("Log visibility changed to: "
 
 
543
        #                 + unicode(self.log_visible))
 
440
545
    def change_log_display(self):
 
441
546
        """Change type of log display.
 
442
547
        Currently, this toggles wrapping of text lines."""
 
443
 
        if self.log_wrap == u"clip":
 
444
 
            self.log_wrap = u"any"
 
 
548
        if self.log_wrap == "clip":
 
 
549
            self.log_wrap = "any"
 
446
 
            self.log_wrap = u"clip"
 
 
551
            self.log_wrap = "clip"
 
447
552
        for textwidget in self.log:
 
448
553
            textwidget.set_wrap_mode(self.log_wrap)
 
449
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
554
        #self.log_message("Wrap mode: " + self.log_wrap)
 
451
556
    def find_and_remove_client(self, path, name):
 
452
 
        """Find an client from its object path and remove it.
 
 
557
        """Find a client by its object path and remove it.
 
454
559
        This is connected to the ClientRemoved signal from the
 
455
560
        Mandos server object."""
 
 
503
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,
 
505
655
        self._input_callback_tag = (gobject.io_add_watch
 
506
656
                                    (sys.stdin.fileno(),
 
 
532
682
            except KeyError:    # :-)
 
535
 
            if key == u"q" or key == u"Q":
 
 
685
            if key == "q" or key == "Q":
 
538
 
            elif key == u"window resize":
 
 
688
            elif key == "window resize":
 
539
689
                self.size = self.screen.get_cols_rows()
 
541
 
            elif key == u"\f":  # Ctrl-L
 
 
691
            elif key == "\f":  # Ctrl-L
 
543
 
            elif key == u"l" or key == u"D":
 
 
693
            elif key == "l" or key == "D":
 
544
694
                self.toggle_log_display()
 
546
 
            elif key == u"w" or key == u"i":
 
 
696
            elif key == "w" or key == "i":
 
547
697
                self.change_log_display()
 
549
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
 
699
            elif key == "?" or key == "f1" or key == "esc":
 
550
700
                if not self.log_visible:
 
551
701
                    self.log_visible = True
 
553
 
                self.log_message_raw((u"bold",
 
557
 
                                            u"l: Log window toggle",
 
558
 
                                            u"TAB: Switch window",
 
560
 
                self.log_message_raw((u"bold",
 
566
 
                                             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",
 
573
723
                if self.topwidget.get_focus() is self.logbox:
 
574
724
                    self.topwidget.set_focus(0)
 
576
726
                    self.topwidget.set_focus(self.logbox)
 
578
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
728
            #elif (key == "end" or key == "meta >" or key == "G"
 
580
730
            #    pass            # xxx end-of-buffer
 
581
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
731
            #elif (key == "home" or key == "meta <" or key == "g"
 
583
733
            #    pass            # xxx beginning-of-buffer
 
584
 
            #elif key == u"ctrl e" or key == u"$":
 
 
734
            #elif key == "ctrl e" or key == "$":
 
585
735
            #    pass            # xxx move-end-of-line
 
586
 
            #elif key == u"ctrl a" or key == u"^":
 
 
736
            #elif key == "ctrl a" or key == "^":
 
587
737
            #    pass            # xxx move-beginning-of-line
 
588
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
738
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
589
739
            #    pass            # xxx left
 
590
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
740
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
591
741
            #    pass            # xxx right
 
593
743
            #    pass            # scroll up log
 
595
745
            #    pass            # scroll down log
 
596
746
            elif self.topwidget.selectable():
 
597
747
                self.topwidget.keypress(self.size, key)