131
102
self.logger = logger
133
104
self._update_timer_callback_tag = None
134
self._update_timer_callback_lock = 0
105
self.last_checker_failed = False
136
107
# The widget shown normally
137
self._text_widget = urwid.Text("")
108
self._text_widget = urwid.Text(u"")
138
109
# The widget shown when we have focus
139
self._focus_text_widget = urwid.Text("")
110
self._focus_text_widget = urwid.Text(u"")
140
111
super(MandosClientWidget, self).__init__(
141
112
update_hook=update_hook, delete_hook=delete_hook,
144
115
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",
146
136
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)
155
self.match_objects = (
156
self.proxy.connect_to_signal("CheckerCompleted",
157
self.checker_completed,
160
self.proxy.connect_to_signal("CheckerStarted",
161
self.checker_started,
164
self.proxy.connect_to_signal("GotSecret",
168
self.proxy.connect_to_signal("NeedApproval",
172
self.proxy.connect_to_signal("Rejected",
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"],
190
def using_timer(self, flag):
191
"""Call this method with True or False when timer should be
192
activated or deactivated.
194
old = self._update_timer_callback_lock
196
self._update_timer_callback_lock += 1
138
if last_checked_ok is None:
139
self.last_checker_failed = True
198
self._update_timer_callback_lock -= 1
199
if old == 0 and self._update_timer_callback_lock:
200
# Will update the shown timer value every second
141
self.last_checker_failed = ((datetime.datetime.utcnow()
145
self.properties["interval"]))
146
if self.last_checker_failed:
201
147
self._update_timer_callback_tag = (gobject.timeout_add
203
149
self.update_timer))
204
elif old and self._update_timer_callback_lock == 0:
205
gobject.source_remove(self._update_timer_callback_tag)
206
self._update_timer_callback_tag = None
208
151
def checker_completed(self, exitstatus, condition, command):
209
152
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
213
168
if os.WIFEXITED(condition):
214
self.logger('Checker for client {0} (command "{1}")'
215
' failed with exit code {2}'
216
.format(self.properties["Name"], command,
217
os.WEXITSTATUS(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)))
218
173
elif os.WIFSIGNALED(condition):
219
self.logger('Checker for client {0} (command "{1}") was'
220
' killed by signal {2}'
221
.format(self.properties["Name"], command,
222
os.WTERMSIG(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)))
223
178
elif os.WCOREDUMP(condition):
224
self.logger('Checker for client {0} (command "{1}")'
226
.format(self.properties["Name"], command))
179
self.logger(u'Checker for client %s (command "%s")'
181
% (self.properties[u"name"], command))
228
self.logger('Checker for client {0} completed'
230
.format(self.properties["Name"]))
183
self.logger(u'Checker for client %s completed mysteriously')
233
186
def checker_started(self, command):
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"],
187
#self.logger(u'Client %s started checker "%s"'
188
# % (self.properties[u"name"], unicode(command)))
241
191
def got_secret(self):
242
self.logger('Client {0} received its secret'
243
.format(self.properties["Name"]))
192
self.last_checker_failed = False
193
self.logger(u'Client %s received its secret'
194
% self.properties[u"name"])
245
196
def need_approval(self, timeout, default):
247
message = 'Client {0} needs approval within {1} seconds'
198
message = u'Client %s needs approval within %s seconds'
249
message = 'Client {0} will get its secret in {1} seconds'
250
self.logger(message.format(self.properties["Name"],
252
self.using_timer(True)
200
message = u'Client %s will get its secret in %s seconds'
202
% (self.properties[u"name"], timeout/1000))
254
204
def rejected(self, reason):
255
self.logger('Client {0} was rejected; reason: {1}'
256
.format(self.properties["Name"], reason))
205
self.logger(u'Client %s was rejected; reason: %s'
206
% (self.properties[u"name"], reason))
258
208
def selectable(self):
259
209
"""Make this a "selectable" widget.
260
210
This overrides the method from urwid.FlowWidget."""
263
def rows(self, maxcolrow, focus=False):
213
def rows(self, (maxcol,), focus=False):
264
214
"""How many rows this widget will occupy might depend on
265
215
whether we have focus or not.
266
216
This overrides the method from urwid.FlowWidget"""
267
return self.current_widget(focus).rows(maxcolrow, focus=focus)
217
return self.current_widget(focus).rows((maxcol,), focus=focus)
269
219
def current_widget(self, focus=False):
270
220
if focus or self.opened:
274
224
def update(self):
275
225
"Called when what is visible on the screen should be updated."
276
226
# How to add standout mode to a style
277
with_standout = { "normal": "standout",
278
"bold": "bold-standout",
280
"underline-blink-standout",
281
"bold-underline-blink":
282
"bold-underline-blink-standout",
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",
285
235
# Rebuild focus and non-focus widgets using current properties
287
237
# Base part of a client. Name!
288
base = '{name}: '.format(name=self.properties["Name"])
289
if not self.properties["Enabled"]:
291
elif self.properties["ApprovalPending"]:
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:
292
248
timeout = datetime.timedelta(milliseconds
295
last_approval_request = isoformat_to_datetime(
296
self.properties["LastApprovalRequest"])
297
if last_approval_request is not None:
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
301
timer = datetime.timedelta()
302
if self.properties["ApprovedByDefault"]:
303
message = "Approval in {0}. (d)eny?"
305
message = "Denial in {0}. (a)pprove?"
306
message = message.format(unicode(timer).rsplit(".", 1)[0])
307
elif self.properties["LastCheckerStatus"] != 0:
308
# When checker has failed, show timer until client expires
309
expires = self.properties["Expires"]
311
timer = datetime.timedelta(0)
313
expires = (datetime.datetime.strptime
314
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
315
timer = expires - datetime.datetime.utcnow()
316
message = ('A checker has failed! Time until client'
317
' gets disabled: {0}'
318
.format(unicode(timer).rsplit(".", 1)[0]))
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])
321
self._text = "{0}{1}".format(base, message)
259
self._text = "%s%s" % (base, message)
323
261
if not urwid.supports_unicode():
324
262
self._text = self._text.encode("ascii", "replace")
325
textlist = [("normal", self._text)]
263
textlist = [(u"normal", self._text)]
326
264
self._text_widget.set_text(textlist)
327
265
self._focus_text_widget.set_text([(with_standout[text[0]],
337
275
self.update_hook()
339
277
def update_timer(self):
340
"""called by gobject. Will indefinitely loop until
341
gobject.source_remove() on tag is called"""
343
280
return True # Keep calling this
345
def delete(self, *args, **kwargs):
346
283
if self._update_timer_callback_tag is not None:
347
284
gobject.source_remove(self._update_timer_callback_tag)
348
285
self._update_timer_callback_tag = None
349
for match in self.match_objects:
351
self.match_objects = ()
352
286
if self.delete_hook is not None:
353
287
self.delete_hook(self)
354
return super(MandosClientWidget, self).delete(*args, **kwargs)
356
def render(self, maxcolrow, focus=False):
289
def render(self, (maxcol,), focus=False):
357
290
"""Render differently if we have focus.
358
291
This overrides the method from urwid.FlowWidget"""
359
return self.current_widget(focus).render(maxcolrow,
292
return self.current_widget(focus).render((maxcol,),
362
def keypress(self, maxcolrow, key):
295
def keypress(self, (maxcol,), key):
364
297
This overrides the method from urwid.FlowWidget"""
366
self.proxy.Enable(dbus_interface = client_interface,
369
self.proxy.Disable(dbus_interface = client_interface,
299
self.proxy.Enable(dbus_interface = client_interface)
301
self.proxy.Disable(dbus_interface = client_interface)
372
303
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
373
dbus_interface = client_interface,
304
dbus_interface = client_interface)
376
306
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
377
dbus_interface = client_interface,
379
elif key == "R" or key == "_" or key == "ctrl k":
307
dbus_interface = client_interface)
308
elif key == u"r" or key == u"_" or key == u"ctrl k":
380
309
self.server_proxy_object.RemoveClient(self.proxy
384
self.proxy.StartChecker(dbus_interface = client_interface,
387
self.proxy.StopChecker(dbus_interface = client_interface,
390
self.proxy.CheckedOK(dbus_interface = client_interface,
312
self.proxy.StartChecker(dbus_interface = client_interface)
314
self.proxy.StopChecker(dbus_interface = client_interface)
316
self.proxy.CheckedOK(dbus_interface = client_interface)
393
# elif key == "p" or key == "=":
318
# elif key == u"p" or key == "=":
394
319
# self.proxy.pause()
395
# elif key == "u" or key == ":":
320
# elif key == u"u" or key == ":":
396
321
# self.proxy.unpause()
322
# elif key == u"RET":
325
# self.proxy.Approve(True)
327
# self.proxy.Approve(False)
433
362
self.screen = urwid.curses_display.Screen()
435
364
self.screen.register_palette((
437
"default", "default", None),
439
"default", "default", "bold"),
441
"default", "default", "underline"),
443
"default", "default", "standout"),
444
("bold-underline-blink",
445
"default", "default", ("bold", "underline")),
447
"default", "default", ("bold", "standout")),
448
("underline-blink-standout",
449
"default", "default", ("underline", "standout")),
450
("bold-underline-blink-standout",
451
"default", "default", ("bold", "underline",
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",
455
384
if urwid.supports_unicode():
456
self.divider = "─" # \u2500
457
#self.divider = "━" # \u2501
385
self.divider = u"─" # \u2500
386
#self.divider = u"━" # \u2501
459
#self.divider = "-" # \u002d
460
self.divider = "_" # \u005f
388
#self.divider = u"-" # \u002d
389
self.divider = u"_" # \u005f
462
391
self.screen.start()
477
406
# This keeps track of whether self.uilist currently has
478
407
# self.logbox in it or not
479
408
self.log_visible = True
480
self.log_wrap = "any"
409
self.log_wrap = u"any"
483
self.log_message_raw(("bold",
484
"Mandos Monitor version " + version))
485
self.log_message_raw(("bold",
412
self.log_message_raw((u"bold",
413
u"Mandos Monitor version " + version))
414
self.log_message_raw((u"bold",
488
417
self.busname = domain + '.Mandos'
489
418
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,
491
462
def client_not_found(self, fingerprint, address):
492
self.log_message("Client with address {0} and fingerprint"
493
" {1} could not be found"
494
.format(address, fingerprint))
463
self.log_message((u"Client with address %s and fingerprint %s"
464
u" could not be found" % (address,
496
467
def rebuild(self):
497
468
"""This rebuilds the User Interface.
498
469
Call this when the widget layout needs to change"""
500
471
#self.uilist.append(urwid.ListBox(self.clients))
501
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
472
self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
503
473
#header=urwid.Divider(),
506
urwid.Divider(div_char=
475
footer=urwid.Divider(div_char=self.divider)))
508
476
if self.log_visible:
509
477
self.uilist.append(self.logbox)
510
479
self.topwidget = urwid.Pile(self.uilist)
512
481
def log_message(self, message):
513
482
timestamp = datetime.datetime.now().isoformat()
514
self.log_message_raw(timestamp + ": " + message)
483
self.log_message_raw(timestamp + u": " + message)
516
485
def log_message_raw(self, markup):
517
486
"""Add a log message to the log buffer."""
520
489
and len(self.log) > self.max_log_length):
521
490
del self.log[0:len(self.log)-self.max_log_length-1]
522
491
self.logbox.set_focus(len(self.logbox.body.contents),
492
coming_from=u"above")
526
495
def toggle_log_display(self):
527
496
"""Toggle visibility of the log buffer."""
528
497
self.log_visible = not self.log_visible
530
#self.log_message("Log visibility changed to: "
531
# + unicode(self.log_visible))
499
self.log_message(u"Log visibility changed to: "
500
+ unicode(self.log_visible))
533
502
def change_log_display(self):
534
503
"""Change type of log display.
535
504
Currently, this toggles wrapping of text lines."""
536
if self.log_wrap == "clip":
537
self.log_wrap = "any"
505
if self.log_wrap == u"clip":
506
self.log_wrap = u"any"
539
self.log_wrap = "clip"
508
self.log_wrap = u"clip"
540
509
for textwidget in self.log:
541
510
textwidget.set_wrap_mode(self.log_wrap)
542
#self.log_message("Wrap mode: " + self.log_wrap)
511
self.log_message(u"Wrap mode: " + self.log_wrap)
544
513
def find_and_remove_client(self, path, name):
545
"""Find a client by its object path and remove it.
514
"""Find an client from its object path and remove it.
547
516
This is connected to the ClientRemoved signal from the
548
517
Mandos server object."""
598
565
"""Start the main loop and exit when it's done."""
599
self.bus = dbus.SystemBus()
600
mandos_dbus_objc = self.bus.get_object(
601
self.busname, "/", follow_name_owner_changes=True)
602
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
606
mandos_clients = (self.mandos_serv
607
.GetAllClientsWithProperties())
608
except dbus.exceptions.DBusException:
609
mandos_clients = dbus.Dictionary()
612
.connect_to_signal("ClientRemoved",
613
self.find_and_remove_client,
614
dbus_interface=server_interface,
617
.connect_to_signal("ClientAdded",
619
dbus_interface=server_interface,
622
.connect_to_signal("ClientNotFound",
623
self.client_not_found,
624
dbus_interface=server_interface,
626
for path, client in mandos_clients.iteritems():
627
client_proxy_object = self.bus.get_object(self.busname,
629
self.add_client(MandosClientWidget(server_proxy_object
632
=client_proxy_object,
643
567
self._input_callback_tag = (gobject.io_add_watch
644
568
(sys.stdin.fileno(),
670
594
except KeyError: # :-)
673
if key == "q" or key == "Q":
597
if key == u"q" or key == u"Q":
676
elif key == "window resize":
600
elif key == u"window resize":
677
601
self.size = self.screen.get_cols_rows()
679
elif key == "\f": # Ctrl-L
603
elif key == u"\f": # Ctrl-L
681
elif key == "l" or key == "D":
605
elif key == u"l" or key == u"D":
682
606
self.toggle_log_display()
684
elif key == "w" or key == "i":
608
elif key == u"w" or key == u"i":
685
609
self.change_log_display()
687
elif key == "?" or key == "f1" or key == "esc":
611
elif key == u"?" or key == u"f1" or key == u"esc":
688
612
if not self.log_visible:
689
613
self.log_visible = True
691
self.log_message_raw(("bold",
695
"l: Log window toggle",
696
"TAB: Switch window",
698
self.log_message_raw(("bold",
704
"s: Start new checker",
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",
711
635
if self.topwidget.get_focus() is self.logbox:
712
636
self.topwidget.set_focus(0)
714
638
self.topwidget.set_focus(self.logbox)
716
#elif (key == "end" or key == "meta >" or key == "G"
640
#elif (key == u"end" or key == u"meta >" or key == u"G"
718
642
# pass # xxx end-of-buffer
719
#elif (key == "home" or key == "meta <" or key == "g"
643
#elif (key == u"home" or key == u"meta <" or key == u"g"
721
645
# pass # xxx beginning-of-buffer
722
#elif key == "ctrl e" or key == "$":
646
#elif key == u"ctrl e" or key == u"$":
723
647
# pass # xxx move-end-of-line
724
#elif key == "ctrl a" or key == "^":
648
#elif key == u"ctrl a" or key == u"^":
725
649
# pass # xxx move-beginning-of-line
726
#elif key == "ctrl b" or key == "meta (" or key == "h":
650
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
727
651
# pass # xxx left
728
#elif key == "ctrl f" or key == "meta )" or key == "l":
652
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
729
653
# pass # xxx right
731
655
# pass # scroll up log
733
657
# pass # scroll down log
734
658
elif self.topwidget.selectable():
735
659
self.topwidget.keypress(self.size, key)