86
91
def __init__(self, proxy_object=None, properties=None, **kwargs):
87
self.proxy = proxy_object # Mandos Client proxy object
92
self.proxy = proxy_object # Mandos Client proxy object
88
93
self.properties = dict() if properties is None else properties
89
94
self.property_changed_match = (
90
self.proxy.connect_to_signal("PropertyChanged",
91
self._property_changed,
95
self.proxy.connect_to_signal("PropertiesChanged",
96
self.properties_changed,
97
dbus.PROPERTIES_IFACE,
95
100
if properties is None:
96
self.properties.update(
97
self.proxy.GetAll(client_interface,
99
= dbus.PROPERTIES_IFACE))
101
self.properties.update(self.proxy.GetAll(
103
dbus_interface=dbus.PROPERTIES_IFACE))
101
105
super(MandosClientPropertyCache, self).__init__(**kwargs)
103
def _property_changed(self, property, value):
104
"""Helper which takes positional arguments"""
105
return self.property_changed(property=property, value=value)
107
def property_changed(self, property=None, value=None):
108
"""This is called whenever we get a PropertyChanged signal
109
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.
111
111
# Update properties dict with new value
112
self.properties[property] = value
112
if interface == client_interface:
113
self.properties.update(properties)
114
115
def delete(self):
115
116
self.property_changed_match.remove()
162
163
client_interface,
163
164
byte_arrays=True))
164
self.logger('Created client {0}'
165
self.logger('Created client {}'
165
166
.format(self.properties["Name"]), level=0)
167
168
def using_timer(self, flag):
168
169
"""Call this method with True or False when timer should be
169
170
activated or deactivated.
171
172
if flag and self._update_timer_callback_tag is None:
172
173
# Will update the shown timer value every second
173
self._update_timer_callback_tag = (gobject.timeout_add
174
self._update_timer_callback_tag = (GLib.timeout_add
175
176
self.update_timer))
176
177
elif not (flag or self._update_timer_callback_tag is None):
177
gobject.source_remove(self._update_timer_callback_tag)
178
GLib.source_remove(self._update_timer_callback_tag)
178
179
self._update_timer_callback_tag = None
180
181
def checker_completed(self, exitstatus, condition, command):
181
182
if exitstatus == 0:
182
self.logger('Checker for client {0} (command "{1}")'
183
self.logger('Checker for client {} (command "{}")'
183
184
' succeeded'.format(self.properties["Name"],
184
185
command), level=0)
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
202
"""Server signals that a checker started."""
210
self.logger('Client {0} started checker "{1}"'
203
self.logger('Client {} started checker "{}"'
211
204
.format(self.properties["Name"],
212
205
command), level=0)
214
207
def got_secret(self):
215
self.logger('Client {0} received its secret'
208
self.logger('Client {} received its secret'
216
209
.format(self.properties["Name"]))
218
211
def need_approval(self, timeout, default):
220
message = 'Client {0} needs approval within {1} seconds'
213
message = 'Client {} needs approval within {} seconds'
222
message = 'Client {0} will get its secret in {1} seconds'
215
message = 'Client {} will get its secret in {} seconds'
223
216
self.logger(message.format(self.properties["Name"],
226
219
def rejected(self, reason):
227
self.logger('Client {0} was rejected; reason: {1}'
220
self.logger('Client {} was rejected; reason: {}'
228
221
.format(self.properties["Name"], reason))
230
223
def selectable(self):
231
224
"""Make this a "selectable" widget.
232
225
This overrides the method from urwid.FlowWidget."""
235
228
def rows(self, maxcolrow, focus=False):
236
229
"""How many rows this widget will occupy might depend on
237
230
whether we have focus or not.
238
231
This overrides the method from urwid.FlowWidget"""
239
232
return self.current_widget(focus).rows(maxcolrow, focus=focus)
241
234
def current_widget(self, focus=False):
242
235
if focus or self.opened:
243
236
return self._focus_widget
244
237
return self._widget
246
239
def update(self):
247
240
"Called when what is visible on the screen should be updated."
248
241
# How to add standout mode to a style
249
with_standout = { "normal": "standout",
250
"bold": "bold-standout",
252
"underline-blink-standout",
253
"bold-underline-blink":
254
"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",
257
250
# Rebuild focus and non-focus widgets using current properties
259
252
# Base part of a client. Name!
260
253
base = '{name}: '.format(name=self.properties["Name"])
261
254
if not self.properties["Enabled"]:
262
255
message = "DISABLED"
263
256
self.using_timer(False)
264
257
elif self.properties["ApprovalPending"]:
265
timeout = datetime.timedelta(milliseconds
258
timeout = datetime.timedelta(
259
milliseconds=self.properties["ApprovalDelay"])
268
260
last_approval_request = isoformat_to_datetime(
269
261
self.properties["LastApprovalRequest"])
270
262
if last_approval_request is not None:
330
323
if self.delete_hook is not None:
331
324
self.delete_hook(self)
332
325
return super(MandosClientWidget, self).delete(**kwargs)
334
327
def render(self, maxcolrow, focus=False):
335
328
"""Render differently if we have focus.
336
329
This overrides the method from urwid.FlowWidget"""
337
330
return self.current_widget(focus).render(maxcolrow,
340
333
def keypress(self, maxcolrow, key):
342
335
This overrides the method from urwid.FlowWidget"""
344
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)
347
self.proxy.Disable(dbus_interface = client_interface,
341
self.proxy.Set(client_interface, "Enabled", False,
343
dbus_interface=dbus.PROPERTIES_IFACE)
350
345
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
351
dbus_interface = client_interface,
346
dbus_interface=client_interface,
352
347
ignore_reply=True)
354
349
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
355
dbus_interface = client_interface,
350
dbus_interface=client_interface,
356
351
ignore_reply=True)
357
352
elif key == "R" or key == "_" or key == "ctrl k":
358
353
self.server_proxy_object.RemoveClient(self.proxy
360
355
ignore_reply=True)
362
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)
365
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)
368
self.proxy.CheckedOK(dbus_interface = client_interface,
365
self.proxy.CheckedOK(dbus_interface=client_interface,
369
366
ignore_reply=True)
371
368
# elif key == "p" or key == "=":
380
def property_changed(self, property=None, **kwargs):
381
"""Call self.update() if old value is not new value.
377
def properties_changed(self, interface, properties, invalidated):
378
"""Call self.update() if any properties changed.
382
379
This overrides the method from MandosClientPropertyCache"""
383
property_name = str(property)
384
old_value = self.properties.get(property_name)
385
super(MandosClientWidget, self).property_changed(
386
property=property, **kwargs)
387
if self.properties.get(property_name) != old_value:
380
old_values = {key: self.properties.get(key)
381
for key in properties.keys()}
382
super(MandosClientWidget, self).properties_changed(
383
interface, properties, invalidated)
384
if any(old_values[key] != self.properties.get(key)
385
for key in old_values):
429
429
"bold,underline,blink,standout", "default",
430
430
"bold,underline,blink,standout"),
433
433
if urwid.supports_unicode():
434
self.divider = "─" # \u2500
435
#self.divider = "━" # \u2501
434
self.divider = "─" # \u2500
437
#self.divider = "-" # \u002d
438
self.divider = "_" # \u005f
436
self.divider = "_" # \u005f
440
438
self.screen.start()
442
440
self.size = self.screen.get_cols_rows()
444
442
self.clients = urwid.SimpleListWalker([])
445
443
self.clients_dict = {}
447
445
# We will add Text widgets to this list
449
447
self.max_log_length = max_log_length
451
449
self.log_level = log_level
453
451
# We keep a reference to the log widget so we can remove it
454
452
# from the ListWalker without it getting destroyed
455
453
self.logbox = ConstrainedListBox(self.log)
457
455
# This keeps track of whether self.uilist currently has
458
456
# self.logbox in it or not
459
457
self.log_visible = True
460
458
self.log_wrap = "any"
463
461
self.log_message_raw(("bold",
464
462
"Mandos Monitor version " + version))
465
463
self.log_message_raw(("bold",
466
464
"q: Quit ?: Help"))
468
466
self.busname = domain + '.Mandos'
469
self.main_loop = gobject.MainLoop()
467
self.main_loop = GLib.MainLoop()
471
469
def client_not_found(self, fingerprint, address):
472
self.log_message("Client with address {0} and fingerprint"
473
" {1} could not be found"
470
self.log_message("Client with address {} and fingerprint {}"
471
" could not be found"
474
472
.format(address, fingerprint))
476
474
def rebuild(self):
477
475
"""This rebuilds the User Interface.
478
476
Call this when the widget layout needs to change"""
480
#self.uilist.append(urwid.ListBox(self.clients))
478
# self.uilist.append(urwid.ListBox(self.clients))
481
479
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
483
#header=urwid.Divider(),
481
# header=urwid.Divider(),
486
urwid.Divider(div_char=
483
footer=urwid.Divider(
484
div_char=self.divider)))
488
485
if self.log_visible:
489
486
self.uilist.append(self.logbox)
490
487
self.topwidget = urwid.Pile(self.uilist)
492
489
def log_message(self, message, level=1):
493
490
"""Log message formatted with timestamp"""
494
491
if level < self.log_level:
496
493
timestamp = datetime.datetime.now().isoformat()
497
self.log_message_raw("{0}: {1}".format(timestamp, message),
494
self.log_message_raw("{}: {}".format(timestamp, message),
500
497
def log_message_raw(self, markup, level=1):
501
498
"""Add a log message to the log buffer."""
502
499
if level < self.log_level:
504
501
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
if (self.max_log_length
506
and len(self.log) > self.max_log_length):
507
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]
508
505
self.logbox.set_focus(len(self.logbox.body.contents),
509
506
coming_from="above")
512
509
def toggle_log_display(self):
513
510
"""Toggle visibility of the log buffer."""
514
511
self.log_visible = not self.log_visible
516
self.log_message("Log visibility changed to: {0}"
513
self.log_message("Log visibility changed to: {}"
517
514
.format(self.log_visible), level=0)
519
516
def change_log_display(self):
520
517
"""Change type of log display.
521
518
Currently, this toggles wrapping of text lines."""
525
522
self.log_wrap = "clip"
526
523
for textwidget in self.log:
527
524
textwidget.set_wrap_mode(self.log_wrap)
528
self.log_message("Wrap mode: {0}".format(self.log_wrap),
525
self.log_message("Wrap mode: {}".format(self.log_wrap),
531
def find_and_remove_client(self, path, name):
528
def find_and_remove_client(self, path, interfaces):
532
529
"""Find a client by its object path and remove it.
534
This is connected to the ClientRemoved signal from the
531
This is connected to the InterfacesRemoved signal from the
535
532
Mandos server object."""
533
if client_interface not in interfaces:
534
# Not a Mandos client object; ignore
537
537
client = self.clients_dict[path]
540
self.log_message("Unknown client {0!r} ({1!r}) removed"
540
self.log_message("Unknown client {!r} removed"
545
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
546
554
client_proxy_object = self.bus.get_object(self.busname, path)
547
self.add_client(MandosClientWidget(server_proxy_object
550
=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])),
559
564
def add_client(self, client, path=None):
560
565
self.clients.append(client)
563
568
self.clients_dict[path] = client
564
569
self.clients.sort(key=lambda c: c.properties["Name"])
567
572
def remove_client(self, client, path=None):
568
573
self.clients.remove(client)
570
575
path = client.proxy.object_path
571
576
del self.clients_dict[path]
574
579
def refresh(self):
575
580
"""Redraw the screen"""
576
581
canvas = self.topwidget.render(self.size, focus=True)
577
582
self.screen.draw_screen(self.size, canvas)
580
585
"""Start the main loop and exit when it's done."""
581
586
self.bus = dbus.SystemBus()
582
587
mandos_dbus_objc = self.bus.get_object(
583
588
self.busname, "/", follow_name_owner_changes=True)
584
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
589
self.mandos_serv = dbus.Interface(
590
mandos_dbus_objc, dbus_interface=server_interface)
588
592
mandos_clients = (self.mandos_serv
589
593
.GetAllClientsWithProperties())
590
594
if not mandos_clients:
591
self.log_message_raw(("bold", "Note: Server has no clients."))
595
self.log_message_raw(("bold",
596
"Note: Server has no clients."))
592
597
except dbus.exceptions.DBusException:
593
self.log_message_raw(("bold", "Note: No Mandos server running."))
598
self.log_message_raw(("bold",
599
"Note: No Mandos server running."))
594
600
mandos_clients = dbus.Dictionary()
596
602
(self.mandos_serv
597
.connect_to_signal("ClientRemoved",
603
.connect_to_signal("InterfacesRemoved",
598
604
self.find_and_remove_client,
599
dbus_interface=server_interface,
605
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
600
606
byte_arrays=True))
601
607
(self.mandos_serv
602
.connect_to_signal("ClientAdded",
608
.connect_to_signal("InterfacesAdded",
603
609
self.add_new_client,
604
dbus_interface=server_interface,
610
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
605
611
byte_arrays=True))
606
612
(self.mandos_serv
607
613
.connect_to_signal("ClientNotFound",
611
617
for path, client in mandos_clients.items():
612
618
client_proxy_object = self.bus.get_object(self.busname,
614
self.add_client(MandosClientWidget(server_proxy_object
617
=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),
628
self._input_callback_tag = (gobject.io_add_watch
630
self._input_callback_tag = (GLib.io_add_watch
629
631
(sys.stdin.fileno(),
631
633
self.process_input))
632
634
self.main_loop.run()
633
635
# Main loop has finished, we should close everything now
634
gobject.source_remove(self._input_callback_tag)
636
GLib.source_remove(self._input_callback_tag)
635
637
self.screen.stop()
638
640
self.main_loop.quit()
640
642
def process_input(self, source, condition):
641
643
keys = self.screen.get_input()
642
translations = { "ctrl n": "down", # Emacs
643
"ctrl p": "up", # Emacs
644
"ctrl v": "page down", # Emacs
645
"meta v": "page up", # Emacs
646
" ": "page down", # less
647
"f": "page down", # less
648
"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
654
656
key = translations[key]
655
657
except KeyError: # :-)
658
660
if key == "q" or key == "Q":
661
663
elif key == "window resize":
662
664
self.size = self.screen.get_cols_rows()
664
elif key == "\f": # Ctrl-L
666
elif key == "ctrl l":
666
669
elif key == "l" or key == "D":
667
670
self.toggle_log_display()
708
711
self.log_level = 0
709
712
self.log_message("Verbose mode: On")
710
#elif (key == "end" or key == "meta >" or key == "G"
712
# pass # xxx end-of-buffer
713
#elif (key == "home" or key == "meta <" or key == "g"
715
# pass # xxx beginning-of-buffer
716
#elif key == "ctrl e" or key == "$":
717
# pass # xxx move-end-of-line
718
#elif key == "ctrl a" or key == "^":
719
# pass # xxx move-beginning-of-line
720
#elif key == "ctrl b" or key == "meta (" or key == "h":
722
#elif key == "ctrl f" or key == "meta )" or key == "l":
725
# pass # scroll up log
727
# pass # scroll down log
713
# elif (key == "end" or key == "meta >" or key == "G"
715
# pass # xxx end-of-buffer
716
# elif (key == "home" or key == "meta <" or key == "g"
718
# pass # xxx beginning-of-buffer
719
# elif key == "ctrl e" or key == "$":
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
728
731
elif self.topwidget.selectable():
729
732
self.topwidget.keypress(self.size, key)