102
130
self.logger = logger
104
132
self._update_timer_callback_tag = None
105
self.last_checker_failed = False
133
self._update_timer_callback_lock = 0
107
135
# The widget shown normally
108
self._text_widget = urwid.Text(u"")
136
self._text_widget = urwid.Text("")
109
137
# The widget shown when we have focus
110
self._focus_text_widget = urwid.Text(u"")
138
self._focus_text_widget = urwid.Text("")
111
139
super(MandosClientWidget, self).__init__(
112
140
update_hook=update_hook, delete_hook=delete_hook,
115
143
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
145
last_checked_ok = isoformat_to_datetime(self.properties
138
if last_checked_ok is None:
139
self.last_checker_failed = True
148
if self.properties ["LastCheckerStatus"] != 0:
149
self.using_timer(True)
151
if self.need_approval:
152
self.using_timer(True)
154
self.match_objects = (
155
self.proxy.connect_to_signal("CheckerCompleted",
156
self.checker_completed,
159
self.proxy.connect_to_signal("CheckerStarted",
160
self.checker_started,
163
self.proxy.connect_to_signal("GotSecret",
167
self.proxy.connect_to_signal("NeedApproval",
171
self.proxy.connect_to_signal("Rejected",
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"],
189
def using_timer(self, flag):
190
"""Call this method with True or False when timer should be
191
activated or deactivated.
193
old = self._update_timer_callback_lock
195
self._update_timer_callback_lock += 1
141
self.last_checker_failed = ((datetime.datetime.utcnow()
145
self.properties["interval"]))
146
if self.last_checker_failed:
197
self._update_timer_callback_lock -= 1
198
if old == 0 and self._update_timer_callback_lock:
199
# Will update the shown timer value every second
147
200
self._update_timer_callback_tag = (gobject.timeout_add
149
202
self.update_timer))
203
elif old and self._update_timer_callback_lock == 0:
204
gobject.source_remove(self._update_timer_callback_tag)
205
self._update_timer_callback_tag = None
151
207
def checker_completed(self, exitstatus, condition, command):
152
208
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
212
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)))
213
self.logger('Checker for client {0} (command "{1}")'
214
' failed with exit code {2}'
215
.format(self.properties["Name"], command,
216
os.WEXITSTATUS(condition)))
173
217
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)))
218
self.logger('Checker for client {0} (command "{1}") was'
219
' killed by signal {2}'
220
.format(self.properties["Name"], command,
221
os.WTERMSIG(condition)))
178
222
elif os.WCOREDUMP(condition):
179
self.logger(u'Checker for client %s (command "%s")'
181
% (self.properties[u"name"], command))
223
self.logger('Checker for client {0} (command "{1}")'
225
.format(self.properties["Name"], command))
183
self.logger(u'Checker for client %s completed mysteriously')
227
self.logger('Checker for client {0} completed'
229
.format(self.properties["Name"]))
186
232
def checker_started(self, command):
187
#self.logger(u'Client %s started checker "%s"'
188
# % (self.properties[u"name"], unicode(command)))
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"],
191
240
def got_secret(self):
192
self.logger(u'Client %s received its secret'
193
% self.properties[u"name"])
241
self.logger('Client {0} received its secret'
242
.format(self.properties["Name"]))
195
244
def need_approval(self, timeout, default):
197
message = u'Client %s needs approval within %s seconds'
246
message = 'Client {0} needs approval within {1} seconds'
199
message = u'Client %s will get its secret in %s seconds'
201
% (self.properties[u"name"], timeout/1000))
248
message = 'Client {0} will get its secret in {1} seconds'
249
self.logger(message.format(self.properties["Name"],
251
self.using_timer(True)
203
253
def rejected(self, reason):
204
self.logger(u'Client %s was rejected; reason: %s'
205
% (self.properties[u"name"], reason))
254
self.logger('Client {0} was rejected; reason: {1}'
255
.format(self.properties["Name"], reason))
207
257
def selectable(self):
208
258
"""Make this a "selectable" widget.
209
259
This overrides the method from urwid.FlowWidget."""
212
def rows(self, (maxcol,), focus=False):
262
def rows(self, maxcolrow, focus=False):
213
263
"""How many rows this widget will occupy might depend on
214
264
whether we have focus or not.
215
265
This overrides the method from urwid.FlowWidget"""
216
return self.current_widget(focus).rows((maxcol,), focus=focus)
266
return self.current_widget(focus).rows(maxcolrow, focus=focus)
218
268
def current_widget(self, focus=False):
219
269
if focus or self.opened:
223
273
def update(self):
224
274
"Called when what is visible on the screen should be updated."
225
275
# How to add standout mode to a style
226
with_standout = { u"normal": u"standout",
227
u"bold": u"bold-standout",
229
u"underline-blink-standout",
230
u"bold-underline-blink":
231
u"bold-underline-blink-standout",
276
with_standout = { "normal": "standout",
277
"bold": "bold-standout",
279
"underline-blink-standout",
280
"bold-underline-blink":
281
"bold-underline-blink-standout",
234
284
# Rebuild focus and non-focus widgets using current properties
236
286
# Base part of a client. Name!
237
base = (u'%(name)s: '
238
% {u"name": self.properties[u"name"]})
239
if not self.properties[u"enabled"]:
240
message = u"DISABLED"
241
elif self.last_checker_failed:
287
base = '{name}: '.format(name=self.properties["Name"])
288
if not self.properties["Enabled"]:
290
elif self.properties["ApprovalPending"]:
242
291
timeout = datetime.timedelta(milliseconds
243
= self.properties[u"timeout"])
244
last_ok = isoformat_to_datetime(
245
max((self.properties["last_checked_ok"]
246
or self.properties["created"]),
247
self.properties[u"last_enabled"]))
248
timer = timeout - (datetime.datetime.utcnow() - last_ok)
249
message = (u'A checker has failed! Time until client gets diabled: %s'
250
% unicode(timer).rsplit(".", 1)[0])
251
elif self.properties[u"approved_pending"]:
252
if self.properties[u"approved_by_default"]:
253
message = u"Connection established to client. (d)eny?"
255
message = u"Seeks approval to send secret. (a)pprove?"
294
last_approval_request = isoformat_to_datetime(
295
self.properties["LastApprovalRequest"])
296
if last_approval_request is not None:
297
timer = timeout - (datetime.datetime.utcnow()
298
- last_approval_request)
300
timer = datetime.timedelta()
301
if self.properties["ApprovedByDefault"]:
302
message = "Approval in {0}. (d)eny?"
304
message = "Denial in {0}. (a)pprove?"
305
message = message.format(unicode(timer).rsplit(".", 1)[0])
306
elif self.properties["LastCheckerStatus"] != 0:
307
# When checker has failed, print a timer until client expires
308
expires = self.properties["Expires"]
310
timer = datetime.timedelta(0)
312
expires = datetime.datetime.strptime(expires,
313
'%Y-%m-%dT%H:%M:%S.%f')
314
timer = expires - datetime.datetime.utcnow()
315
message = ('A checker has failed! Time until client'
316
' gets disabled: {0}'
317
.format(unicode(timer).rsplit(".", 1)[0]))
258
self._text = "%s%s" % (base, message)
320
self._text = "{0}{1}".format(base, message)
260
322
if not urwid.supports_unicode():
261
323
self._text = self._text.encode("ascii", "replace")
262
textlist = [(u"normal", self._text)]
324
textlist = [("normal", self._text)]
263
325
self._text_widget.set_text(textlist)
264
326
self._focus_text_widget.set_text([(with_standout[text[0]],
274
336
self.update_hook()
276
338
def update_timer(self):
339
"""called by gobject. Will indefinitely loop until
340
gobject.source_remove() on tag is called"""
279
342
return True # Keep calling this
344
def delete(self, *args, **kwargs):
282
345
if self._update_timer_callback_tag is not None:
283
346
gobject.source_remove(self._update_timer_callback_tag)
284
347
self._update_timer_callback_tag = None
348
for match in self.match_objects:
350
self.match_objects = ()
285
351
if self.delete_hook is not None:
286
352
self.delete_hook(self)
353
return super(MandosClientWidget, self).delete(*args, **kwargs)
288
def render(self, (maxcol,), focus=False):
355
def render(self, maxcolrow, focus=False):
289
356
"""Render differently if we have focus.
290
357
This overrides the method from urwid.FlowWidget"""
291
return self.current_widget(focus).render((maxcol,),
358
return self.current_widget(focus).render(maxcolrow,
294
def keypress(self, (maxcol,), key):
361
def keypress(self, maxcolrow, key):
296
363
This overrides the method from urwid.FlowWidget"""
298
self.proxy.Enable(dbus_interface = client_interface)
300
self.proxy.Disable(dbus_interface = client_interface)
365
self.proxy.Enable(dbus_interface = client_interface,
368
self.proxy.Disable(dbus_interface = client_interface,
302
371
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
303
dbus_interface = client_interface)
372
dbus_interface = client_interface,
305
375
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
306
dbus_interface = client_interface)
307
elif key == u"r" or key == u"_" or key == u"ctrl k":
376
dbus_interface = client_interface,
378
elif key == "R" or key == "_" or key == "ctrl k":
308
379
self.server_proxy_object.RemoveClient(self.proxy
311
self.proxy.StartChecker(dbus_interface = client_interface)
313
self.proxy.StopChecker(dbus_interface = client_interface)
315
self.proxy.CheckedOK(dbus_interface = client_interface)
383
self.proxy.StartChecker(dbus_interface = client_interface,
386
self.proxy.StopChecker(dbus_interface = client_interface,
389
self.proxy.CheckedOK(dbus_interface = client_interface,
317
# elif key == u"p" or key == "=":
392
# elif key == "p" or key == "=":
318
393
# self.proxy.pause()
319
# elif key == u"u" or key == ":":
394
# elif key == "u" or key == ":":
320
395
# self.proxy.unpause()
321
# elif key == u"RET":
324
# self.proxy.Approve(True)
326
# self.proxy.Approve(False)
361
432
self.screen = urwid.curses_display.Screen()
363
434
self.screen.register_palette((
365
u"default", u"default", None),
367
u"default", u"default", u"bold"),
369
u"default", u"default", u"underline"),
371
u"default", u"default", u"standout"),
372
(u"bold-underline-blink",
373
u"default", u"default", (u"bold", u"underline")),
375
u"default", u"default", (u"bold", u"standout")),
376
(u"underline-blink-standout",
377
u"default", u"default", (u"underline", u"standout")),
378
(u"bold-underline-blink-standout",
379
u"default", u"default", (u"bold", u"underline",
436
"default", "default", None),
438
"default", "default", "bold"),
440
"default", "default", "underline"),
442
"default", "default", "standout"),
443
("bold-underline-blink",
444
"default", "default", ("bold", "underline")),
446
"default", "default", ("bold", "standout")),
447
("underline-blink-standout",
448
"default", "default", ("underline", "standout")),
449
("bold-underline-blink-standout",
450
"default", "default", ("bold", "underline",
383
454
if urwid.supports_unicode():
384
self.divider = u"─" # \u2500
385
#self.divider = u"━" # \u2501
455
self.divider = "─" # \u2500
456
#self.divider = "━" # \u2501
387
#self.divider = u"-" # \u002d
388
self.divider = u"_" # \u005f
458
#self.divider = "-" # \u002d
459
self.divider = "_" # \u005f
390
461
self.screen.start()
405
476
# This keeps track of whether self.uilist currently has
406
477
# self.logbox in it or not
407
478
self.log_visible = True
408
self.log_wrap = u"any"
479
self.log_wrap = "any"
411
self.log_message_raw((u"bold",
412
u"Mandos Monitor version " + version))
413
self.log_message_raw((u"bold",
482
self.log_message_raw(("bold",
483
"Mandos Monitor version " + version))
484
self.log_message_raw(("bold",
416
487
self.busname = domain + '.Mandos'
417
488
self.main_loop = gobject.MainLoop()
418
self.bus = dbus.SystemBus()
419
mandos_dbus_objc = self.bus.get_object(
420
self.busname, u"/", follow_name_owner_changes=True)
421
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
425
mandos_clients = (self.mandos_serv
426
.GetAllClientsWithProperties())
427
except dbus.exceptions.DBusException:
428
mandos_clients = dbus.Dictionary()
431
.connect_to_signal(u"ClientRemoved",
432
self.find_and_remove_client,
433
dbus_interface=server_interface,
436
.connect_to_signal(u"ClientAdded",
438
dbus_interface=server_interface,
441
.connect_to_signal(u"ClientNotFound",
442
self.client_not_found,
443
dbus_interface=server_interface,
445
for path, client in mandos_clients.iteritems():
446
client_proxy_object = self.bus.get_object(self.busname,
448
self.add_client(MandosClientWidget(server_proxy_object
451
=client_proxy_object,
461
490
def client_not_found(self, fingerprint, address):
462
self.log_message((u"Client with address %s and fingerprint %s"
463
u" could not be found" % (address,
491
self.log_message("Client with address {0} and fingerprint"
492
" {1} could not be found"
493
.format(address, fingerprint))
466
495
def rebuild(self):
467
496
"""This rebuilds the User Interface.
468
497
Call this when the widget layout needs to change"""
470
499
#self.uilist.append(urwid.ListBox(self.clients))
471
self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
500
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
472
502
#header=urwid.Divider(),
474
footer=urwid.Divider(div_char=self.divider)))
505
urwid.Divider(div_char=
475
507
if self.log_visible:
476
508
self.uilist.append(self.logbox)
478
509
self.topwidget = urwid.Pile(self.uilist)
480
511
def log_message(self, message):
481
512
timestamp = datetime.datetime.now().isoformat()
482
self.log_message_raw(timestamp + u": " + message)
513
self.log_message_raw(timestamp + ": " + message)
484
515
def log_message_raw(self, markup):
485
516
"""Add a log message to the log buffer."""
488
519
and len(self.log) > self.max_log_length):
489
520
del self.log[0:len(self.log)-self.max_log_length-1]
490
521
self.logbox.set_focus(len(self.logbox.body.contents),
491
coming_from=u"above")
494
525
def toggle_log_display(self):
495
526
"""Toggle visibility of the log buffer."""
496
527
self.log_visible = not self.log_visible
498
self.log_message(u"Log visibility changed to: "
499
+ unicode(self.log_visible))
529
#self.log_message("Log visibility changed to: "
530
# + unicode(self.log_visible))
501
532
def change_log_display(self):
502
533
"""Change type of log display.
503
534
Currently, this toggles wrapping of text lines."""
504
if self.log_wrap == u"clip":
505
self.log_wrap = u"any"
535
if self.log_wrap == "clip":
536
self.log_wrap = "any"
507
self.log_wrap = u"clip"
538
self.log_wrap = "clip"
508
539
for textwidget in self.log:
509
540
textwidget.set_wrap_mode(self.log_wrap)
510
self.log_message(u"Wrap mode: " + self.log_wrap)
541
#self.log_message("Wrap mode: " + self.log_wrap)
512
543
def find_and_remove_client(self, path, name):
513
"""Find an client from its object path and remove it.
544
"""Find a client by its object path and remove it.
515
546
This is connected to the ClientRemoved signal from the
516
547
Mandos server object."""
564
597
"""Start the main loop and exit when it's done."""
598
self.bus = dbus.SystemBus()
599
mandos_dbus_objc = self.bus.get_object(
600
self.busname, "/", follow_name_owner_changes=True)
601
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
605
mandos_clients = (self.mandos_serv
606
.GetAllClientsWithProperties())
607
except dbus.exceptions.DBusException:
608
mandos_clients = dbus.Dictionary()
611
.connect_to_signal("ClientRemoved",
612
self.find_and_remove_client,
613
dbus_interface=server_interface,
616
.connect_to_signal("ClientAdded",
618
dbus_interface=server_interface,
621
.connect_to_signal("ClientNotFound",
622
self.client_not_found,
623
dbus_interface=server_interface,
625
for path, client in mandos_clients.iteritems():
626
client_proxy_object = self.bus.get_object(self.busname,
628
self.add_client(MandosClientWidget(server_proxy_object
631
=client_proxy_object,
566
642
self._input_callback_tag = (gobject.io_add_watch
567
643
(sys.stdin.fileno(),
593
669
except KeyError: # :-)
596
if key == u"q" or key == u"Q":
672
if key == "q" or key == "Q":
599
elif key == u"window resize":
675
elif key == "window resize":
600
676
self.size = self.screen.get_cols_rows()
602
elif key == u"\f": # Ctrl-L
678
elif key == "\f": # Ctrl-L
604
elif key == u"l" or key == u"D":
680
elif key == "l" or key == "D":
605
681
self.toggle_log_display()
607
elif key == u"w" or key == u"i":
683
elif key == "w" or key == "i":
608
684
self.change_log_display()
610
elif key == u"?" or key == u"f1" or key == u"esc":
686
elif key == "?" or key == "f1" or key == "esc":
611
687
if not self.log_visible:
612
688
self.log_visible = True
614
self.log_message_raw((u"bold",
618
u"l: Log window toggle",
619
u"TAB: Switch window",
621
self.log_message_raw((u"bold",
627
u"s: Start new checker",
690
self.log_message_raw(("bold",
694
"l: Log window toggle",
695
"TAB: Switch window",
697
self.log_message_raw(("bold",
703
"s: Start new checker",
634
710
if self.topwidget.get_focus() is self.logbox:
635
711
self.topwidget.set_focus(0)
637
713
self.topwidget.set_focus(self.logbox)
639
#elif (key == u"end" or key == u"meta >" or key == u"G"
715
#elif (key == "end" or key == "meta >" or key == "G"
641
717
# pass # xxx end-of-buffer
642
#elif (key == u"home" or key == u"meta <" or key == u"g"
718
#elif (key == "home" or key == "meta <" or key == "g"
644
720
# pass # xxx beginning-of-buffer
645
#elif key == u"ctrl e" or key == u"$":
721
#elif key == "ctrl e" or key == "$":
646
722
# pass # xxx move-end-of-line
647
#elif key == u"ctrl a" or key == u"^":
723
#elif key == "ctrl a" or key == "^":
648
724
# pass # xxx move-beginning-of-line
649
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
725
#elif key == "ctrl b" or key == "meta (" or key == "h":
650
726
# pass # xxx left
651
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
727
#elif key == "ctrl f" or key == "meta )" or key == "l":
652
728
# pass # xxx right
654
730
# pass # scroll up log
656
732
# pass # scroll down log
657
733
elif self.topwidget.selectable():
658
734
self.topwidget.keypress(self.size, key)