102
133
self.logger = logger
104
135
self._update_timer_callback_tag = None
105
self.last_checker_failed = False
136
self._update_timer_callback_lock = 0
107
138
# The widget shown normally
108
self._text_widget = urwid.Text(u"")
139
self._text_widget = urwid.Text("")
109
140
# The widget shown when we have focus
110
self._focus_text_widget = urwid.Text(u"")
141
self._focus_text_widget = urwid.Text("")
111
142
super(MandosClientWidget, self).__init__(
112
143
update_hook=update_hook, delete_hook=delete_hook,
115
146
self.opened = False
116
self.proxy.connect_to_signal(u"CheckerCompleted",
117
self.checker_completed,
120
self.proxy.connect_to_signal(u"CheckerStarted",
121
self.checker_started,
124
self.proxy.connect_to_signal(u"GotSecret",
128
self.proxy.connect_to_signal(u"NeedApproval",
132
self.proxy.connect_to_signal(u"Rejected",
136
148
last_checked_ok = isoformat_to_datetime(self.properties
138
if last_checked_ok is None:
139
self.last_checker_failed = True
151
if self.properties ["LastCheckerStatus"] != 0:
152
self.using_timer(True)
154
if self.need_approval:
155
self.using_timer(True)
157
self.match_objects = (
158
self.proxy.connect_to_signal("CheckerCompleted",
159
self.checker_completed,
162
self.proxy.connect_to_signal("CheckerStarted",
163
self.checker_started,
166
self.proxy.connect_to_signal("GotSecret",
170
self.proxy.connect_to_signal("NeedApproval",
174
self.proxy.connect_to_signal("Rejected",
178
#self.logger('Created client {0}'
179
# .format(self.properties["Name"]))
181
def property_changed(self, property=None, value=None):
182
super(self, MandosClientWidget).property_changed(property,
184
if property == "ApprovalPending":
185
using_timer(bool(value))
186
if property == "LastCheckerStatus":
187
using_timer(value != 0)
188
#self.logger('Checker for client {0} (command "{1}") was '
189
# ' successful'.format(self.properties["Name"],
192
def using_timer(self, flag):
193
"""Call this method with True or False when timer should be
194
activated or deactivated.
196
old = self._update_timer_callback_lock
198
self._update_timer_callback_lock += 1
141
self.last_checker_failed = ((datetime.datetime.utcnow()
145
self.properties["interval"]))
146
if self.last_checker_failed:
200
self._update_timer_callback_lock -= 1
201
if old == 0 and self._update_timer_callback_lock:
202
# Will update the shown timer value every second
147
203
self._update_timer_callback_tag = (gobject.timeout_add
149
205
self.update_timer))
206
elif old and self._update_timer_callback_lock == 0:
207
gobject.source_remove(self._update_timer_callback_tag)
208
self._update_timer_callback_tag = None
151
210
def checker_completed(self, exitstatus, condition, command):
152
211
if exitstatus == 0:
153
if self.last_checker_failed:
154
self.last_checker_failed = False
155
gobject.source_remove(self._update_timer_callback_tag)
156
self._update_timer_callback_tag = None
157
self.logger(u'Checker for client %s (command "%s")'
159
% (self.properties[u"name"], command))
163
if not self.last_checker_failed:
164
self.last_checker_failed = True
165
self._update_timer_callback_tag = (gobject.timeout_add
168
215
if os.WIFEXITED(condition):
169
self.logger(u'Checker for client %s (command "%s")'
170
u' failed with exit code %s'
171
% (self.properties[u"name"], command,
172
os.WEXITSTATUS(condition)))
216
self.logger('Checker for client {0} (command "{1}")'
217
' failed with exit code {2}'
218
.format(self.properties["Name"], command,
219
os.WEXITSTATUS(condition)))
173
220
elif os.WIFSIGNALED(condition):
174
self.logger(u'Checker for client %s (command "%s")'
175
u' was killed by signal %s'
176
% (self.properties[u"name"], command,
177
os.WTERMSIG(condition)))
221
self.logger('Checker for client {0} (command "{1}") was'
222
' killed by signal {2}'
223
.format(self.properties["Name"], command,
224
os.WTERMSIG(condition)))
178
225
elif os.WCOREDUMP(condition):
179
self.logger(u'Checker for client %s (command "%s")'
181
% (self.properties[u"name"], command))
226
self.logger('Checker for client {0} (command "{1}")'
228
.format(self.properties["Name"], command))
183
self.logger(u'Checker for client %s completed mysteriously')
230
self.logger('Checker for client {0} completed'
232
.format(self.properties["Name"]))
186
235
def checker_started(self, command):
187
#self.logger(u'Client %s started checker "%s"'
188
# % (self.properties[u"name"], unicode(command)))
236
"""Server signals that a checker started. This could be useful
237
to log in the future. """
238
#self.logger('Client {0} started checker "{1}"'
239
# .format(self.properties["Name"],
191
243
def got_secret(self):
192
self.last_checker_failed = False
193
self.logger(u'Client %s received its secret'
194
% self.properties[u"name"])
244
self.logger('Client {0} received its secret'
245
.format(self.properties["Name"]))
196
247
def need_approval(self, timeout, default):
198
message = u'Client %s needs approval within %s seconds'
249
message = 'Client {0} needs approval within {1} seconds'
200
message = u'Client %s will get its secret in %s seconds'
202
% (self.properties[u"name"], timeout/1000))
251
message = 'Client {0} will get its secret in {1} seconds'
252
self.logger(message.format(self.properties["Name"],
254
self.using_timer(True)
204
256
def rejected(self, reason):
205
self.logger(u'Client %s was rejected; reason: %s'
206
% (self.properties[u"name"], reason))
257
self.logger('Client {0} was rejected; reason: {1}'
258
.format(self.properties["Name"], reason))
208
260
def selectable(self):
209
261
"""Make this a "selectable" widget.
210
262
This overrides the method from urwid.FlowWidget."""
213
def rows(self, (maxcol,), focus=False):
265
def rows(self, maxcolrow, focus=False):
214
266
"""How many rows this widget will occupy might depend on
215
267
whether we have focus or not.
216
268
This overrides the method from urwid.FlowWidget"""
217
return self.current_widget(focus).rows((maxcol,), focus=focus)
269
return self.current_widget(focus).rows(maxcolrow, focus=focus)
219
271
def current_widget(self, focus=False):
220
272
if focus or self.opened:
224
276
def update(self):
225
277
"Called when what is visible on the screen should be updated."
226
278
# How to add standout mode to a style
227
with_standout = { u"normal": u"standout",
228
u"bold": u"bold-standout",
230
u"underline-blink-standout",
231
u"bold-underline-blink":
232
u"bold-underline-blink-standout",
279
with_standout = { "normal": "standout",
280
"bold": "bold-standout",
282
"underline-blink-standout",
283
"bold-underline-blink":
284
"bold-underline-blink-standout",
235
287
# Rebuild focus and non-focus widgets using current properties
237
289
# Base part of a client. Name!
238
base = (u'%(name)s: '
239
% {u"name": self.properties[u"name"]})
240
if not self.properties[u"enabled"]:
241
message = u"DISABLED"
242
elif self.properties[u"approved_pending"]:
243
if self.properties[u"approved_by_default"]:
244
message = u"Connection established to client. (d)eny?"
246
message = u"Seeks approval to send secret. (a)pprove?"
247
elif self.last_checker_failed:
290
base = '{name}: '.format(name=self.properties["Name"])
291
if not self.properties["Enabled"]:
293
elif self.properties["ApprovalPending"]:
248
294
timeout = datetime.timedelta(milliseconds
249
= self.properties[u"timeout"])
250
last_ok = isoformat_to_datetime(
251
max((self.properties["last_checked_ok"]
252
or self.properties["created"]),
253
self.properties[u"last_enabled"]))
254
timer = timeout - (datetime.datetime.utcnow() - last_ok)
255
message = (u'A checker has failed! Time until client gets diabled: %s'
256
% unicode(timer).rsplit(".", 1)[0])
297
last_approval_request = isoformat_to_datetime(
298
self.properties["LastApprovalRequest"])
299
if last_approval_request is not None:
300
timer = timeout - (datetime.datetime.utcnow()
301
- last_approval_request)
303
timer = datetime.timedelta()
304
if self.properties["ApprovedByDefault"]:
305
message = "Approval in {0}. (d)eny?"
307
message = "Denial in {0}. (a)pprove?"
308
message = message.format(unicode(timer).rsplit(".", 1)[0])
309
elif self.properties["LastCheckerStatus"] != 0:
310
# When checker has failed, show timer until client expires
311
expires = self.properties["Expires"]
313
timer = datetime.timedelta(0)
315
expires = (datetime.datetime.strptime
316
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
317
timer = expires - datetime.datetime.utcnow()
318
message = ('A checker has failed! Time until client'
319
' gets disabled: {0}'
320
.format(unicode(timer).rsplit(".", 1)[0]))
259
self._text = "%s%s" % (base, message)
323
self._text = "{0}{1}".format(base, message)
261
325
if not urwid.supports_unicode():
262
326
self._text = self._text.encode("ascii", "replace")
263
textlist = [(u"normal", self._text)]
327
textlist = [("normal", self._text)]
264
328
self._text_widget.set_text(textlist)
265
329
self._focus_text_widget.set_text([(with_standout[text[0]],
275
339
self.update_hook()
277
341
def update_timer(self):
342
"""called by gobject. Will indefinitely loop until
343
gobject.source_remove() on tag is called"""
280
345
return True # Keep calling this
347
def delete(self, *args, **kwargs):
283
348
if self._update_timer_callback_tag is not None:
284
349
gobject.source_remove(self._update_timer_callback_tag)
285
350
self._update_timer_callback_tag = None
351
for match in self.match_objects:
353
self.match_objects = ()
286
354
if self.delete_hook is not None:
287
355
self.delete_hook(self)
356
return super(MandosClientWidget, self).delete(*args, **kwargs)
289
def render(self, (maxcol,), focus=False):
358
def render(self, maxcolrow, focus=False):
290
359
"""Render differently if we have focus.
291
360
This overrides the method from urwid.FlowWidget"""
292
return self.current_widget(focus).render((maxcol,),
361
return self.current_widget(focus).render(maxcolrow,
295
def keypress(self, (maxcol,), key):
364
def keypress(self, maxcolrow, key):
297
366
This overrides the method from urwid.FlowWidget"""
299
self.proxy.Enable(dbus_interface = client_interface)
301
self.proxy.Disable(dbus_interface = client_interface)
368
self.proxy.Enable(dbus_interface = client_interface,
371
self.proxy.Disable(dbus_interface = client_interface,
303
374
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
304
dbus_interface = client_interface)
375
dbus_interface = client_interface,
306
378
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
307
dbus_interface = client_interface)
308
elif key == u"r" or key == u"_" or key == u"ctrl k":
379
dbus_interface = client_interface,
381
elif key == "R" or key == "_" or key == "ctrl k":
309
382
self.server_proxy_object.RemoveClient(self.proxy
312
self.proxy.StartChecker(dbus_interface = client_interface)
314
self.proxy.StopChecker(dbus_interface = client_interface)
316
self.proxy.CheckedOK(dbus_interface = client_interface)
386
self.proxy.StartChecker(dbus_interface = client_interface,
389
self.proxy.StopChecker(dbus_interface = client_interface,
392
self.proxy.CheckedOK(dbus_interface = client_interface,
318
# elif key == u"p" or key == "=":
395
# elif key == "p" or key == "=":
319
396
# self.proxy.pause()
320
# elif key == u"u" or key == ":":
397
# elif key == "u" or key == ":":
321
398
# self.proxy.unpause()
322
# elif key == u"RET":
325
# self.proxy.Approve(True)
327
# self.proxy.Approve(False)
362
435
self.screen = urwid.curses_display.Screen()
364
437
self.screen.register_palette((
366
u"default", u"default", None),
368
u"default", u"default", u"bold"),
370
u"default", u"default", u"underline"),
372
u"default", u"default", u"standout"),
373
(u"bold-underline-blink",
374
u"default", u"default", (u"bold", u"underline")),
376
u"default", u"default", (u"bold", u"standout")),
377
(u"underline-blink-standout",
378
u"default", u"default", (u"underline", u"standout")),
379
(u"bold-underline-blink-standout",
380
u"default", u"default", (u"bold", u"underline",
439
"default", "default", None),
441
"default", "default", "bold"),
443
"default", "default", "underline"),
445
"default", "default", "standout"),
446
("bold-underline-blink",
447
"default", "default", ("bold", "underline")),
449
"default", "default", ("bold", "standout")),
450
("underline-blink-standout",
451
"default", "default", ("underline", "standout")),
452
("bold-underline-blink-standout",
453
"default", "default", ("bold", "underline",
384
457
if urwid.supports_unicode():
385
self.divider = u"─" # \u2500
386
#self.divider = u"━" # \u2501
458
self.divider = "─" # \u2500
459
#self.divider = "━" # \u2501
388
#self.divider = u"-" # \u002d
389
self.divider = u"_" # \u005f
461
#self.divider = "-" # \u002d
462
self.divider = "_" # \u005f
391
464
self.screen.start()
406
479
# This keeps track of whether self.uilist currently has
407
480
# self.logbox in it or not
408
481
self.log_visible = True
409
self.log_wrap = u"any"
482
self.log_wrap = "any"
412
self.log_message_raw((u"bold",
413
u"Mandos Monitor version " + version))
414
self.log_message_raw((u"bold",
485
self.log_message_raw(("bold",
486
"Mandos Monitor version " + version))
487
self.log_message_raw(("bold",
417
490
self.busname = domain + '.Mandos'
418
491
self.main_loop = gobject.MainLoop()
419
self.bus = dbus.SystemBus()
420
mandos_dbus_objc = self.bus.get_object(
421
self.busname, u"/", follow_name_owner_changes=True)
422
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
426
mandos_clients = (self.mandos_serv
427
.GetAllClientsWithProperties())
428
except dbus.exceptions.DBusException:
429
mandos_clients = dbus.Dictionary()
432
.connect_to_signal(u"ClientRemoved",
433
self.find_and_remove_client,
434
dbus_interface=server_interface,
437
.connect_to_signal(u"ClientAdded",
439
dbus_interface=server_interface,
442
.connect_to_signal(u"ClientNotFound",
443
self.client_not_found,
444
dbus_interface=server_interface,
446
for path, client in mandos_clients.iteritems():
447
client_proxy_object = self.bus.get_object(self.busname,
449
self.add_client(MandosClientWidget(server_proxy_object
452
=client_proxy_object,
462
493
def client_not_found(self, fingerprint, address):
463
self.log_message((u"Client with address %s and fingerprint %s"
464
u" could not be found" % (address,
494
self.log_message("Client with address {0} and fingerprint"
495
" {1} could not be found"
496
.format(address, fingerprint))
467
498
def rebuild(self):
468
499
"""This rebuilds the User Interface.
469
500
Call this when the widget layout needs to change"""
471
502
#self.uilist.append(urwid.ListBox(self.clients))
472
self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
503
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
473
505
#header=urwid.Divider(),
475
footer=urwid.Divider(div_char=self.divider)))
508
urwid.Divider(div_char=
476
510
if self.log_visible:
477
511
self.uilist.append(self.logbox)
479
512
self.topwidget = urwid.Pile(self.uilist)
481
514
def log_message(self, message):
482
515
timestamp = datetime.datetime.now().isoformat()
483
self.log_message_raw(timestamp + u": " + message)
516
self.log_message_raw(timestamp + ": " + message)
485
518
def log_message_raw(self, markup):
486
519
"""Add a log message to the log buffer."""
489
522
and len(self.log) > self.max_log_length):
490
523
del self.log[0:len(self.log)-self.max_log_length-1]
491
524
self.logbox.set_focus(len(self.logbox.body.contents),
492
coming_from=u"above")
495
528
def toggle_log_display(self):
496
529
"""Toggle visibility of the log buffer."""
497
530
self.log_visible = not self.log_visible
499
self.log_message(u"Log visibility changed to: "
500
+ unicode(self.log_visible))
532
#self.log_message("Log visibility changed to: "
533
# + unicode(self.log_visible))
502
535
def change_log_display(self):
503
536
"""Change type of log display.
504
537
Currently, this toggles wrapping of text lines."""
505
if self.log_wrap == u"clip":
506
self.log_wrap = u"any"
538
if self.log_wrap == "clip":
539
self.log_wrap = "any"
508
self.log_wrap = u"clip"
541
self.log_wrap = "clip"
509
542
for textwidget in self.log:
510
543
textwidget.set_wrap_mode(self.log_wrap)
511
self.log_message(u"Wrap mode: " + self.log_wrap)
544
#self.log_message("Wrap mode: " + self.log_wrap)
513
546
def find_and_remove_client(self, path, name):
514
"""Find an client from its object path and remove it.
547
"""Find a client by its object path and remove it.
516
549
This is connected to the ClientRemoved signal from the
517
550
Mandos server object."""
565
600
"""Start the main loop and exit when it's done."""
601
self.bus = dbus.SystemBus()
602
mandos_dbus_objc = self.bus.get_object(
603
self.busname, "/", follow_name_owner_changes=True)
604
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
608
mandos_clients = (self.mandos_serv
609
.GetAllClientsWithProperties())
610
except dbus.exceptions.DBusException:
611
mandos_clients = dbus.Dictionary()
614
.connect_to_signal("ClientRemoved",
615
self.find_and_remove_client,
616
dbus_interface=server_interface,
619
.connect_to_signal("ClientAdded",
621
dbus_interface=server_interface,
624
.connect_to_signal("ClientNotFound",
625
self.client_not_found,
626
dbus_interface=server_interface,
628
for path, client in mandos_clients.iteritems():
629
client_proxy_object = self.bus.get_object(self.busname,
631
self.add_client(MandosClientWidget(server_proxy_object
634
=client_proxy_object,
567
645
self._input_callback_tag = (gobject.io_add_watch
568
646
(sys.stdin.fileno(),
594
672
except KeyError: # :-)
597
if key == u"q" or key == u"Q":
675
if key == "q" or key == "Q":
600
elif key == u"window resize":
678
elif key == "window resize":
601
679
self.size = self.screen.get_cols_rows()
603
elif key == u"\f": # Ctrl-L
681
elif key == "\f": # Ctrl-L
605
elif key == u"l" or key == u"D":
683
elif key == "l" or key == "D":
606
684
self.toggle_log_display()
608
elif key == u"w" or key == u"i":
686
elif key == "w" or key == "i":
609
687
self.change_log_display()
611
elif key == u"?" or key == u"f1" or key == u"esc":
689
elif key == "?" or key == "f1" or key == "esc":
612
690
if not self.log_visible:
613
691
self.log_visible = True
615
self.log_message_raw((u"bold",
619
u"l: Log window toggle",
620
u"TAB: Switch window",
622
self.log_message_raw((u"bold",
628
u"s: Start new checker",
693
self.log_message_raw(("bold",
697
"l: Log window toggle",
698
"TAB: Switch window",
700
self.log_message_raw(("bold",
706
"s: Start new checker",
635
713
if self.topwidget.get_focus() is self.logbox:
636
714
self.topwidget.set_focus(0)
638
716
self.topwidget.set_focus(self.logbox)
640
#elif (key == u"end" or key == u"meta >" or key == u"G"
718
#elif (key == "end" or key == "meta >" or key == "G"
642
720
# pass # xxx end-of-buffer
643
#elif (key == u"home" or key == u"meta <" or key == u"g"
721
#elif (key == "home" or key == "meta <" or key == "g"
645
723
# pass # xxx beginning-of-buffer
646
#elif key == u"ctrl e" or key == u"$":
724
#elif key == "ctrl e" or key == "$":
647
725
# pass # xxx move-end-of-line
648
#elif key == u"ctrl a" or key == u"^":
726
#elif key == "ctrl a" or key == "^":
649
727
# pass # xxx move-beginning-of-line
650
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
728
#elif key == "ctrl b" or key == "meta (" or key == "h":
651
729
# pass # xxx left
652
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
730
#elif key == "ctrl f" or key == "meta )" or key == "l":
653
731
# pass # xxx right
655
733
# pass # scroll up log
657
735
# pass # scroll down log
658
736
elif self.topwidget.selectable():
659
737
self.topwidget.keypress(self.size, key)