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