91
89
def __init__(self, proxy_object=None, properties=None, **kwargs):
92
self.proxy = proxy_object # Mandos Client proxy object
90
self.proxy = proxy_object # Mandos Client proxy object
93
91
self.properties = dict() if properties is None else properties
94
92
self.property_changed_match = (
95
self.proxy.connect_to_signal("PropertiesChanged",
96
self.properties_changed,
97
dbus.PROPERTIES_IFACE,
93
self.proxy.connect_to_signal("PropertyChanged",
94
self._property_changed,
100
98
if properties is None:
101
self.properties.update(self.proxy.GetAll(
103
dbus_interface=dbus.PROPERTIES_IFACE))
99
self.properties.update(
100
self.proxy.GetAll(client_interface,
102
= dbus.PROPERTIES_IFACE))
105
104
super(MandosClientPropertyCache, self).__init__(**kwargs)
107
def properties_changed(self, interface, properties, invalidated):
108
"""This is called whenever we get a PropertiesChanged signal
109
It updates the changed properties in the "properties" dict.
106
def _property_changed(self, property, value):
107
"""Helper which takes positional arguments"""
108
return self.property_changed(property=property, value=value)
110
def property_changed(self, property=None, value=None):
111
"""This is called whenever we get a PropertyChanged signal
112
It updates the changed property in the "properties" dict.
111
114
# Update properties dict with new value
112
if interface == client_interface:
113
self.properties.update(properties)
115
self.properties[property] = value
115
117
def delete(self):
116
118
self.property_changed_match.remove()
163
165
client_interface,
164
166
byte_arrays=True))
165
self.logger('Created client {}'
166
.format(self.properties["Name"]), level=0)
167
#self.logger('Created client {0}'
168
# .format(self.properties["Name"]))
168
170
def using_timer(self, flag):
169
171
"""Call this method with True or False when timer should be
170
172
activated or deactivated.
172
174
if flag and self._update_timer_callback_tag is None:
173
175
# Will update the shown timer value every second
174
self._update_timer_callback_tag = (GLib.timeout_add
176
self._update_timer_callback_tag = (gobject.timeout_add
176
178
self.update_timer))
177
179
elif not (flag or self._update_timer_callback_tag is None):
178
GLib.source_remove(self._update_timer_callback_tag)
180
gobject.source_remove(self._update_timer_callback_tag)
179
181
self._update_timer_callback_tag = None
181
183
def checker_completed(self, exitstatus, condition, command):
182
184
if exitstatus == 0:
183
self.logger('Checker for client {} (command "{}")'
184
' succeeded'.format(self.properties["Name"],
189
188
if os.WIFEXITED(condition):
190
self.logger('Checker for client {} (command "{}") failed'
189
self.logger('Checker for client {0} (command "{1}")'
190
' failed with exit code {2}'
192
191
.format(self.properties["Name"], command,
193
192
os.WEXITSTATUS(condition)))
194
193
elif os.WIFSIGNALED(condition):
195
self.logger('Checker for client {} (command "{}") was'
196
' killed by signal {}'
194
self.logger('Checker for client {0} (command "{1}") was'
195
' killed by signal {2}'
197
196
.format(self.properties["Name"], command,
198
197
os.WTERMSIG(condition)))
198
elif os.WCOREDUMP(condition):
199
self.logger('Checker for client {0} (command "{1}")'
201
.format(self.properties["Name"], command))
203
self.logger('Checker for client {0} completed'
205
.format(self.properties["Name"]))
201
208
def checker_started(self, command):
202
"""Server signals that a checker started."""
203
self.logger('Client {} started checker "{}"'
204
.format(self.properties["Name"],
209
"""Server signals that a checker started. This could be useful
210
to log in the future. """
211
#self.logger('Client {0} started checker "{1}"'
212
# .format(self.properties["Name"],
207
216
def got_secret(self):
208
self.logger('Client {} received its secret'
217
self.logger('Client {0} received its secret'
209
218
.format(self.properties["Name"]))
211
220
def need_approval(self, timeout, default):
213
message = 'Client {} needs approval within {} seconds'
222
message = 'Client {0} needs approval within {1} seconds'
215
message = 'Client {} will get its secret in {} seconds'
224
message = 'Client {0} will get its secret in {1} seconds'
216
225
self.logger(message.format(self.properties["Name"],
219
228
def rejected(self, reason):
220
self.logger('Client {} was rejected; reason: {}'
229
self.logger('Client {0} was rejected; reason: {1}'
221
230
.format(self.properties["Name"], reason))
223
232
def selectable(self):
224
233
"""Make this a "selectable" widget.
225
234
This overrides the method from urwid.FlowWidget."""
228
237
def rows(self, maxcolrow, focus=False):
229
238
"""How many rows this widget will occupy might depend on
230
239
whether we have focus or not.
231
240
This overrides the method from urwid.FlowWidget"""
232
241
return self.current_widget(focus).rows(maxcolrow, focus=focus)
234
243
def current_widget(self, focus=False):
235
244
if focus or self.opened:
236
245
return self._focus_widget
237
246
return self._widget
239
248
def update(self):
240
249
"Called when what is visible on the screen should be updated."
241
250
# How to add standout mode to a style
242
with_standout = {"normal": "standout",
243
"bold": "bold-standout",
245
"underline-blink-standout",
246
"bold-underline-blink":
247
"bold-underline-blink-standout",
251
with_standout = { "normal": "standout",
252
"bold": "bold-standout",
254
"underline-blink-standout",
255
"bold-underline-blink":
256
"bold-underline-blink-standout",
250
259
# Rebuild focus and non-focus widgets using current properties
252
261
# Base part of a client. Name!
253
262
base = '{name}: '.format(name=self.properties["Name"])
254
263
if not self.properties["Enabled"]:
255
264
message = "DISABLED"
256
265
self.using_timer(False)
257
266
elif self.properties["ApprovalPending"]:
258
timeout = datetime.timedelta(
259
milliseconds=self.properties["ApprovalDelay"])
267
timeout = datetime.timedelta(milliseconds
260
270
last_approval_request = isoformat_to_datetime(
261
271
self.properties["LastApprovalRequest"])
262
272
if last_approval_request is not None:
323
332
if self.delete_hook is not None:
324
333
self.delete_hook(self)
325
334
return super(MandosClientWidget, self).delete(**kwargs)
327
336
def render(self, maxcolrow, focus=False):
328
337
"""Render differently if we have focus.
329
338
This overrides the method from urwid.FlowWidget"""
330
339
return self.current_widget(focus).render(maxcolrow,
333
342
def keypress(self, maxcolrow, key):
335
344
This overrides the method from urwid.FlowWidget"""
337
self.proxy.Set(client_interface, "Enabled",
338
dbus.Boolean(True), ignore_reply=True,
339
dbus_interface=dbus.PROPERTIES_IFACE)
346
self.proxy.Enable(dbus_interface = client_interface,
341
self.proxy.Set(client_interface, "Enabled", False,
343
dbus_interface=dbus.PROPERTIES_IFACE)
349
self.proxy.Disable(dbus_interface = client_interface,
345
352
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
346
dbus_interface=client_interface,
353
dbus_interface = client_interface,
347
354
ignore_reply=True)
349
356
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
350
dbus_interface=client_interface,
357
dbus_interface = client_interface,
351
358
ignore_reply=True)
352
359
elif key == "R" or key == "_" or key == "ctrl k":
353
360
self.server_proxy_object.RemoveClient(self.proxy
355
362
ignore_reply=True)
357
self.proxy.Set(client_interface, "CheckerRunning",
358
dbus.Boolean(True), ignore_reply=True,
359
dbus_interface=dbus.PROPERTIES_IFACE)
364
self.proxy.StartChecker(dbus_interface = client_interface,
361
self.proxy.Set(client_interface, "CheckerRunning",
362
dbus.Boolean(False), ignore_reply=True,
363
dbus_interface=dbus.PROPERTIES_IFACE)
367
self.proxy.StopChecker(dbus_interface = client_interface,
365
self.proxy.CheckedOK(dbus_interface=client_interface,
370
self.proxy.CheckedOK(dbus_interface = client_interface,
366
371
ignore_reply=True)
368
373
# elif key == "p" or key == "=":
403
406
"""This is the entire user interface - the whole screen
404
407
with boxes, lists of client widgets, etc.
406
def __init__(self, max_log_length=1000, log_level=1):
409
def __init__(self, max_log_length=1000):
407
410
DBusGMainLoop(set_as_default=True)
409
412
self.screen = urwid.curses_display.Screen()
411
414
self.screen.register_palette((
413
416
"default", "default", None),
415
"bold", "default", "bold"),
418
"default", "default", "bold"),
416
419
("underline-blink",
417
"underline,blink", "default", "underline,blink"),
420
"default", "default", "underline"),
419
"standout", "default", "standout"),
422
"default", "default", "standout"),
420
423
("bold-underline-blink",
421
"bold,underline,blink", "default",
422
"bold,underline,blink"),
424
"default", "default", ("bold", "underline")),
423
425
("bold-standout",
424
"bold,standout", "default", "bold,standout"),
426
"default", "default", ("bold", "standout")),
425
427
("underline-blink-standout",
426
"underline,blink,standout", "default",
427
"underline,blink,standout"),
428
"default", "default", ("underline", "standout")),
428
429
("bold-underline-blink-standout",
429
"bold,underline,blink,standout", "default",
430
"bold,underline,blink,standout"),
430
"default", "default", ("bold", "underline",
433
434
if urwid.supports_unicode():
434
self.divider = "─" # \u2500
435
self.divider = "─" # \u2500
436
#self.divider = "━" # \u2501
436
self.divider = "_" # \u005f
438
#self.divider = "-" # \u002d
439
self.divider = "_" # \u005f
438
441
self.screen.start()
440
443
self.size = self.screen.get_cols_rows()
442
445
self.clients = urwid.SimpleListWalker([])
443
446
self.clients_dict = {}
445
448
# We will add Text widgets to this list
447
450
self.max_log_length = max_log_length
449
self.log_level = log_level
451
452
# We keep a reference to the log widget so we can remove it
452
453
# from the ListWalker without it getting destroyed
453
454
self.logbox = ConstrainedListBox(self.log)
455
456
# This keeps track of whether self.uilist currently has
456
457
# self.logbox in it or not
457
458
self.log_visible = True
458
459
self.log_wrap = "any"
461
462
self.log_message_raw(("bold",
462
463
"Mandos Monitor version " + version))
463
464
self.log_message_raw(("bold",
464
465
"q: Quit ?: Help"))
466
467
self.busname = domain + '.Mandos'
467
self.main_loop = GLib.MainLoop()
468
self.main_loop = gobject.MainLoop()
469
470
def client_not_found(self, fingerprint, address):
470
self.log_message("Client with address {} and fingerprint {}"
471
" could not be found"
471
self.log_message("Client with address {0} and fingerprint"
472
" {1} could not be found"
472
473
.format(address, fingerprint))
474
475
def rebuild(self):
475
476
"""This rebuilds the User Interface.
476
477
Call this when the widget layout needs to change"""
478
# self.uilist.append(urwid.ListBox(self.clients))
479
#self.uilist.append(urwid.ListBox(self.clients))
479
480
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
481
# header=urwid.Divider(),
482
#header=urwid.Divider(),
483
footer=urwid.Divider(
484
div_char=self.divider)))
485
urwid.Divider(div_char=
485
487
if self.log_visible:
486
488
self.uilist.append(self.logbox)
487
489
self.topwidget = urwid.Pile(self.uilist)
489
def log_message(self, message, level=1):
490
"""Log message formatted with timestamp"""
491
if level < self.log_level:
491
def log_message(self, message):
493
492
timestamp = datetime.datetime.now().isoformat()
494
self.log_message_raw("{}: {}".format(timestamp, message),
497
def log_message_raw(self, markup, level=1):
493
self.log_message_raw(timestamp + ": " + message)
495
def log_message_raw(self, markup):
498
496
"""Add a log message to the log buffer."""
499
if level < self.log_level:
501
497
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
if self.max_log_length:
503
if len(self.log) > self.max_log_length:
504
del self.log[0:len(self.log)-self.max_log_length-1]
498
if (self.max_log_length
499
and len(self.log) > self.max_log_length):
500
del self.log[0:len(self.log)-self.max_log_length-1]
505
501
self.logbox.set_focus(len(self.logbox.body.contents),
506
502
coming_from="above")
509
505
def toggle_log_display(self):
510
506
"""Toggle visibility of the log buffer."""
511
507
self.log_visible = not self.log_visible
513
self.log_message("Log visibility changed to: {}"
514
.format(self.log_visible), level=0)
509
#self.log_message("Log visibility changed to: "
510
# + unicode(self.log_visible))
516
512
def change_log_display(self):
517
513
"""Change type of log display.
518
514
Currently, this toggles wrapping of text lines."""
522
518
self.log_wrap = "clip"
523
519
for textwidget in self.log:
524
520
textwidget.set_wrap_mode(self.log_wrap)
525
self.log_message("Wrap mode: {}".format(self.log_wrap),
528
def find_and_remove_client(self, path, interfaces):
521
#self.log_message("Wrap mode: " + self.log_wrap)
523
def find_and_remove_client(self, path, name):
529
524
"""Find a client by its object path and remove it.
531
This is connected to the InterfacesRemoved signal from the
526
This is connected to the ClientRemoved signal from the
532
527
Mandos server object."""
533
if client_interface not in interfaces:
534
# Not a Mandos client object; ignore
537
529
client = self.clients_dict[path]
540
self.log_message("Unknown client {!r} removed"
532
self.log_message("Unknown client {0!r} ({1!r}) removed"
545
def add_new_client(self, path, ifs_and_props):
546
"""Find a client by its object path and remove it.
548
This is connected to the InterfacesAdded signal from the
549
Mandos server object.
551
if client_interface not in ifs_and_props:
552
# Not a Mandos client object; ignore
537
def add_new_client(self, path):
554
538
client_proxy_object = self.bus.get_object(self.busname, path)
555
self.add_client(MandosClientWidget(
556
server_proxy_object=self.mandos_serv,
557
proxy_object=client_proxy_object,
558
update_hook=self.refresh,
559
delete_hook=self.remove_client,
560
logger=self.log_message,
561
properties=dict(ifs_and_props[client_interface])),
539
self.add_client(MandosClientWidget(server_proxy_object
542
=client_proxy_object,
564
551
def add_client(self, client, path=None):
565
552
self.clients.append(client)
567
554
path = client.proxy.object_path
568
555
self.clients_dict[path] = client
569
self.clients.sort(key=lambda c: c.properties["Name"])
556
self.clients.sort(None, lambda c: c.properties["Name"])
572
559
def remove_client(self, client, path=None):
573
560
self.clients.remove(client)
575
562
path = client.proxy.object_path
576
563
del self.clients_dict[path]
564
if not self.clients_dict:
565
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
566
# is completely emptied, we need to recreate it.
567
self.clients = urwid.SimpleListWalker([])
579
571
def refresh(self):
580
572
"""Redraw the screen"""
581
573
canvas = self.topwidget.render(self.size, focus=True)
582
574
self.screen.draw_screen(self.size, canvas)
585
577
"""Start the main loop and exit when it's done."""
586
578
self.bus = dbus.SystemBus()
587
579
mandos_dbus_objc = self.bus.get_object(
588
580
self.busname, "/", follow_name_owner_changes=True)
589
self.mandos_serv = dbus.Interface(
590
mandos_dbus_objc, dbus_interface=server_interface)
581
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
592
585
mandos_clients = (self.mandos_serv
593
586
.GetAllClientsWithProperties())
594
if not mandos_clients:
595
self.log_message_raw(("bold",
596
"Note: Server has no clients."))
597
587
except dbus.exceptions.DBusException:
598
self.log_message_raw(("bold",
599
"Note: No Mandos server running."))
600
588
mandos_clients = dbus.Dictionary()
602
590
(self.mandos_serv
603
.connect_to_signal("InterfacesRemoved",
591
.connect_to_signal("ClientRemoved",
604
592
self.find_and_remove_client,
605
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
593
dbus_interface=server_interface,
606
594
byte_arrays=True))
607
595
(self.mandos_serv
608
.connect_to_signal("InterfacesAdded",
596
.connect_to_signal("ClientAdded",
609
597
self.add_new_client,
610
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
598
dbus_interface=server_interface,
611
599
byte_arrays=True))
612
600
(self.mandos_serv
613
601
.connect_to_signal("ClientNotFound",
614
602
self.client_not_found,
615
603
dbus_interface=server_interface,
616
604
byte_arrays=True))
617
for path, client in mandos_clients.items():
605
for path, client in mandos_clients.iteritems():
618
606
client_proxy_object = self.bus.get_object(self.busname,
620
self.add_client(MandosClientWidget(
621
server_proxy_object=self.mandos_serv,
622
proxy_object=client_proxy_object,
624
update_hook=self.refresh,
625
delete_hook=self.remove_client,
626
logger=self.log_message),
608
self.add_client(MandosClientWidget(server_proxy_object
611
=client_proxy_object,
630
self._input_callback_tag = (GLib.io_add_watch
622
self._input_callback_tag = (gobject.io_add_watch
631
623
(sys.stdin.fileno(),
633
625
self.process_input))
634
626
self.main_loop.run()
635
627
# Main loop has finished, we should close everything now
636
GLib.source_remove(self._input_callback_tag)
628
gobject.source_remove(self._input_callback_tag)
637
629
self.screen.stop()
640
632
self.main_loop.quit()
642
634
def process_input(self, source, condition):
643
635
keys = self.screen.get_input()
644
translations = {"ctrl n": "down", # Emacs
645
"ctrl p": "up", # Emacs
646
"ctrl v": "page down", # Emacs
647
"meta v": "page up", # Emacs
648
" ": "page down", # less
649
"f": "page down", # less
650
"b": "page up", # less
636
translations = { "ctrl n": "down", # Emacs
637
"ctrl p": "up", # Emacs
638
"ctrl v": "page down", # Emacs
639
"meta v": "page up", # Emacs
640
" ": "page down", # less
641
"f": "page down", # less
642
"b": "page up", # less
656
648
key = translations[key]
657
649
except KeyError: # :-)
660
652
if key == "q" or key == "Q":
663
655
elif key == "window resize":
664
656
self.size = self.screen.get_cols_rows()
666
elif key == "ctrl l":
658
elif key == "\f": # Ctrl-L
669
660
elif key == "l" or key == "D":
670
661
self.toggle_log_display()
704
693
self.topwidget.set_focus(self.logbox)
707
if self.log_level == 0:
709
self.log_message("Verbose mode: Off")
712
self.log_message("Verbose mode: On")
713
# elif (key == "end" or key == "meta >" or key == "G"
715
# pass # xxx end-of-buffer
716
# elif (key == "home" or key == "meta <" or key == "g"
718
# pass # xxx beginning-of-buffer
719
# elif key == "ctrl e" or key == "$":
720
# pass # xxx move-end-of-line
721
# elif key == "ctrl a" or key == "^":
722
# pass # xxx move-beginning-of-line
723
# elif key == "ctrl b" or key == "meta (" or key == "h":
725
# elif key == "ctrl f" or key == "meta )" or key == "l":
728
# pass # scroll up log
730
# pass # scroll down log
695
#elif (key == "end" or key == "meta >" or key == "G"
697
# pass # xxx end-of-buffer
698
#elif (key == "home" or key == "meta <" or key == "g"
700
# pass # xxx beginning-of-buffer
701
#elif key == "ctrl e" or key == "$":
702
# pass # xxx move-end-of-line
703
#elif key == "ctrl a" or key == "^":
704
# pass # xxx move-beginning-of-line
705
#elif key == "ctrl b" or key == "meta (" or key == "h":
707
#elif key == "ctrl f" or key == "meta )" or key == "l":
710
# pass # scroll up log
712
# pass # scroll down log
731
713
elif self.topwidget.selectable():
732
714
self.topwidget.keypress(self.size, key)
737
718
ui = UserInterface()
740
721
except KeyboardInterrupt:
742
except Exception as e:
743
ui.log_message(str(e))
724
ui.log_message(unicode(e))