86
61
properties and calls a hook function when any of them are
89
def __init__(self, proxy_object=None, properties=None, **kwargs):
64
def __init__(self, proxy_object=None, *args, **kwargs):
90
65
self.proxy = proxy_object # Mandos Client proxy object
91
self.properties = dict() if properties is None else properties
92
self.property_changed_match = (
93
self.proxy.connect_to_signal("PropertyChanged",
94
self._property_changed,
98
if properties is None:
99
self.properties.update(
100
self.proxy.GetAll(client_interface,
102
= dbus.PROPERTIES_IFACE))
104
super(MandosClientPropertyCache, self).__init__(**kwargs)
106
def _property_changed(self, property, value):
107
"""Helper which takes positional arguments"""
108
return self.property_changed(property=property, value=value)
67
self.properties = dict()
68
self.proxy.connect_to_signal(u"PropertyChanged",
69
self.property_changed,
73
self.properties.update(
74
self.proxy.GetAll(client_interface,
75
dbus_interface = dbus.PROPERTIES_IFACE))
77
#XXX This break good super behaviour!
78
# super(MandosClientPropertyCache, self).__init__(
110
81
def property_changed(self, property=None, value=None):
111
82
"""This is called whenever we get a PropertyChanged signal
134
102
self.logger = logger
136
104
self._update_timer_callback_tag = None
137
self._update_timer_callback_lock = 0
105
self.last_checker_failed = False
139
107
# The widget shown normally
140
self._text_widget = urwid.Text("")
108
self._text_widget = urwid.Text(u"")
141
109
# The widget shown when we have focus
142
self._focus_text_widget = urwid.Text("")
143
super(MandosClientWidget, self).__init__(**kwargs)
110
self._focus_text_widget = urwid.Text(u"")
111
super(MandosClientWidget, self).__init__(
112
update_hook=update_hook, delete_hook=delete_hook,
145
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",
147
136
last_checked_ok = isoformat_to_datetime(self.properties
150
if self.properties ["LastCheckerStatus"] != 0:
151
self.using_timer(True)
153
if self.need_approval:
154
self.using_timer(True)
156
self.match_objects = (
157
self.proxy.connect_to_signal("CheckerCompleted",
158
self.checker_completed,
161
self.proxy.connect_to_signal("CheckerStarted",
162
self.checker_started,
165
self.proxy.connect_to_signal("GotSecret",
169
self.proxy.connect_to_signal("NeedApproval",
173
self.proxy.connect_to_signal("Rejected",
177
#self.logger('Created client {0}'
178
# .format(self.properties["Name"]))
180
def property_changed(self, property=None, value=None):
181
super(self, MandosClientWidget).property_changed(property,
183
if property == "ApprovalPending":
184
using_timer(bool(value))
185
if property == "LastCheckerStatus":
186
using_timer(value != 0)
187
#self.logger('Checker for client {0} (command "{1}") was '
188
# ' successful'.format(self.properties["Name"],
191
def using_timer(self, flag):
192
"""Call this method with True or False when timer should be
193
activated or deactivated.
195
old = self._update_timer_callback_lock
197
self._update_timer_callback_lock += 1
138
if last_checked_ok is None:
139
self.last_checker_failed = True
199
self._update_timer_callback_lock -= 1
200
if old == 0 and self._update_timer_callback_lock:
201
# 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:
202
147
self._update_timer_callback_tag = (gobject.timeout_add
204
149
self.update_timer))
205
elif old and self._update_timer_callback_lock == 0:
206
gobject.source_remove(self._update_timer_callback_tag)
207
self._update_timer_callback_tag = None
209
151
def checker_completed(self, exitstatus, condition, command):
210
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
214
168
if os.WIFEXITED(condition):
215
self.logger('Checker for client {0} (command "{1}")'
216
' failed with exit code {2}'
217
.format(self.properties["Name"], command,
218
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)))
219
173
elif os.WIFSIGNALED(condition):
220
self.logger('Checker for client {0} (command "{1}") was'
221
' killed by signal {2}'
222
.format(self.properties["Name"], command,
223
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)))
224
178
elif os.WCOREDUMP(condition):
225
self.logger('Checker for client {0} (command "{1}")'
227
.format(self.properties["Name"], command))
179
self.logger(u'Checker for client %s (command "%s")'
181
% (self.properties[u"name"], command))
229
self.logger('Checker for client {0} completed'
231
.format(self.properties["Name"]))
183
self.logger(u'Checker for client %s completed mysteriously')
234
186
def checker_started(self, command):
235
"""Server signals that a checker started. This could be useful
236
to log in the future. """
237
#self.logger('Client {0} started checker "{1}"'
238
# .format(self.properties["Name"],
187
#self.logger(u'Client %s started checker "%s"'
188
# % (self.properties[u"name"], unicode(command)))
242
191
def got_secret(self):
243
self.logger('Client {0} received its secret'
244
.format(self.properties["Name"]))
192
self.last_checker_failed = False
193
self.logger(u'Client %s received its secret'
194
% self.properties[u"name"])
246
196
def need_approval(self, timeout, default):
248
message = 'Client {0} needs approval within {1} seconds'
198
message = u'Client %s needs approval within %s seconds'
250
message = 'Client {0} will get its secret in {1} seconds'
251
self.logger(message.format(self.properties["Name"],
253
self.using_timer(True)
200
message = u'Client %s will get its secret in %s seconds'
202
% (self.properties[u"name"], timeout/1000))
255
204
def rejected(self, reason):
256
self.logger('Client {0} was rejected; reason: {1}'
257
.format(self.properties["Name"], reason))
205
self.logger(u'Client %s was rejected; reason: %s'
206
% (self.properties[u"name"], reason))
259
208
def selectable(self):
260
209
"""Make this a "selectable" widget.
261
210
This overrides the method from urwid.FlowWidget."""
264
def rows(self, maxcolrow, focus=False):
213
def rows(self, (maxcol,), focus=False):
265
214
"""How many rows this widget will occupy might depend on
266
215
whether we have focus or not.
267
216
This overrides the method from urwid.FlowWidget"""
268
return self.current_widget(focus).rows(maxcolrow, focus=focus)
217
return self.current_widget(focus).rows((maxcol,), focus=focus)
270
219
def current_widget(self, focus=False):
271
220
if focus or self.opened:
275
224
def update(self):
276
225
"Called when what is visible on the screen should be updated."
277
226
# How to add standout mode to a style
278
with_standout = { "normal": "standout",
279
"bold": "bold-standout",
281
"underline-blink-standout",
282
"bold-underline-blink":
283
"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",
286
235
# Rebuild focus and non-focus widgets using current properties
288
237
# Base part of a client. Name!
289
base = '{name}: '.format(name=self.properties["Name"])
290
if not self.properties["Enabled"]:
292
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:
293
248
timeout = datetime.timedelta(milliseconds
296
last_approval_request = isoformat_to_datetime(
297
self.properties["LastApprovalRequest"])
298
if last_approval_request is not None:
299
timer = timeout - (datetime.datetime.utcnow()
300
- last_approval_request)
302
timer = datetime.timedelta()
303
if self.properties["ApprovedByDefault"]:
304
message = "Approval in {0}. (d)eny?"
306
message = "Denial in {0}. (a)pprove?"
307
message = message.format(unicode(timer).rsplit(".", 1)[0])
308
elif self.properties["LastCheckerStatus"] != 0:
309
# When checker has failed, show timer until client expires
310
expires = self.properties["Expires"]
312
timer = datetime.timedelta(0)
314
expires = (datetime.datetime.strptime
315
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
316
timer = expires - datetime.datetime.utcnow()
317
message = ('A checker has failed! Time until client'
318
' gets disabled: {0}'
319
.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])
322
self._text = "{0}{1}".format(base, message)
259
self._text = "%s%s" % (base, message)
324
261
if not urwid.supports_unicode():
325
262
self._text = self._text.encode("ascii", "replace")
326
textlist = [("normal", self._text)]
263
textlist = [(u"normal", self._text)]
327
264
self._text_widget.set_text(textlist)
328
265
self._focus_text_widget.set_text([(with_standout[text[0]],
338
275
self.update_hook()
340
277
def update_timer(self):
341
"""called by gobject. Will indefinitely loop until
342
gobject.source_remove() on tag is called"""
344
280
return True # Keep calling this
346
def delete(self, **kwargs):
347
283
if self._update_timer_callback_tag is not None:
348
284
gobject.source_remove(self._update_timer_callback_tag)
349
285
self._update_timer_callback_tag = None
350
for match in self.match_objects:
352
self.match_objects = ()
353
286
if self.delete_hook is not None:
354
287
self.delete_hook(self)
355
return super(MandosClientWidget, self).delete(**kwargs)
357
def render(self, maxcolrow, focus=False):
289
def render(self, (maxcol,), focus=False):
358
290
"""Render differently if we have focus.
359
291
This overrides the method from urwid.FlowWidget"""
360
return self.current_widget(focus).render(maxcolrow,
292
return self.current_widget(focus).render((maxcol,),
363
def keypress(self, maxcolrow, key):
295
def keypress(self, (maxcol,), key):
365
297
This overrides the method from urwid.FlowWidget"""
367
self.proxy.Enable(dbus_interface = client_interface,
370
self.proxy.Disable(dbus_interface = client_interface,
299
self.proxy.Enable(dbus_interface = client_interface)
301
self.proxy.Disable(dbus_interface = client_interface)
373
303
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
374
dbus_interface = client_interface,
304
dbus_interface = client_interface)
377
306
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
378
dbus_interface = client_interface,
380
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":
381
309
self.server_proxy_object.RemoveClient(self.proxy
385
self.proxy.StartChecker(dbus_interface = client_interface,
388
self.proxy.StopChecker(dbus_interface = client_interface,
391
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)
394
# elif key == "p" or key == "=":
318
# elif key == u"p" or key == "=":
395
319
# self.proxy.pause()
396
# elif key == "u" or key == ":":
320
# elif key == u"u" or key == ":":
397
321
# self.proxy.unpause()
322
# elif key == u"RET":
325
# self.proxy.Approve(True)
327
# self.proxy.Approve(False)
403
def property_changed(self, property=None, **kwargs):
331
def property_changed(self, property=None, value=None,
404
333
"""Call self.update() if old value is not new value.
405
334
This overrides the method from MandosClientPropertyCache"""
406
335
property_name = unicode(property)
407
336
old_value = self.properties.get(property_name)
408
337
super(MandosClientWidget, self).property_changed(
409
property=property, **kwargs)
338
property=property, value=value, *args, **kwargs)
410
339
if self.properties.get(property_name) != old_value:
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)