82
int(second), # Whole seconds
83
int(fraction*1000000)) # Microseconds
77
int(second), # Whole seconds
78
int(fraction*1000000)) # Microseconds
86
80
class MandosClientPropertyCache(object):
87
81
"""This wraps a Mandos Client D-Bus proxy object, caches the
88
82
properties and calls a hook function when any of them are
91
def __init__(self, proxy_object=None, properties=None, **kwargs):
92
self.proxy = proxy_object # Mandos Client proxy object
93
self.properties = dict() if properties is None else properties
94
self.property_changed_match = (
95
self.proxy.connect_to_signal("PropertiesChanged",
96
self.properties_changed,
97
dbus.PROPERTIES_IFACE,
100
if properties is None:
101
self.properties.update(self.proxy.GetAll(
103
dbus_interface=dbus.PROPERTIES_IFACE))
105
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.
85
def __init__(self, proxy_object=None, *args, **kwargs):
86
self.proxy = proxy_object # Mandos Client proxy object
88
self.properties = dict()
89
self.proxy.connect_to_signal("PropertyChanged",
90
self.property_changed,
94
self.properties.update(
95
self.proxy.GetAll(client_interface,
96
dbus_interface = dbus.PROPERTIES_IFACE))
98
#XXX This break good super behaviour!
99
# super(MandosClientPropertyCache, self).__init__(
102
def property_changed(self, property=None, value=None):
103
"""This is called whenever we get a PropertyChanged signal
104
It updates the changed property in the "properties" dict.
111
106
# Update properties dict with new value
112
if interface == client_interface:
113
self.properties.update(properties)
116
self.property_changed_match.remove()
107
self.properties[property] = value
119
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
111
"""A Mandos Client which is visible on the screen.
123
114
def __init__(self, server_proxy_object=None, update_hook=None,
124
delete_hook=None, logger=None, **kwargs):
115
delete_hook=None, logger=None, *args, **kwargs):
125
116
# Called on update
126
117
self.update_hook = update_hook
127
118
# Called on delete
130
121
self.server_proxy_object = server_proxy_object
132
123
self.logger = logger
134
125
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
136
129
# The widget shown normally
137
130
self._text_widget = urwid.Text("")
138
131
# The widget shown when we have focus
139
132
self._focus_text_widget = urwid.Text("")
140
super(MandosClientWidget, self).__init__(**kwargs)
133
super(MandosClientWidget, self).__init__(
134
update_hook=update_hook, delete_hook=delete_hook,
142
137
self.opened = False
144
self.match_objects = (
145
self.proxy.connect_to_signal("CheckerCompleted",
146
self.checker_completed,
149
self.proxy.connect_to_signal("CheckerStarted",
150
self.checker_started,
153
self.proxy.connect_to_signal("GotSecret",
157
self.proxy.connect_to_signal("NeedApproval",
161
self.proxy.connect_to_signal("Rejected",
165
self.logger('Created client {}'
166
.format(self.properties["Name"]), level=0)
139
last_checked_ok = isoformat_to_datetime(self.properties
141
if last_checked_ok is None:
142
self.last_checker_failed = True
144
self.last_checker_failed = ((datetime.datetime.utcnow()
151
if self.last_checker_failed:
152
self.using_timer(True)
154
if self.need_approval:
155
self.using_timer(True)
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",
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))
168
184
def using_timer(self, flag):
169
185
"""Call this method with True or False when timer should be
170
186
activated or deactivated.
172
if flag and self._update_timer_callback_tag is None:
173
# Will update the shown timer value every second
174
self._update_timer_callback_tag = (GLib.timeout_add
188
old = self._update_timer_callback_lock
190
self._update_timer_callback_lock += 1
192
self._update_timer_callback_lock -= 1
193
if old == 0 and self._update_timer_callback_lock:
194
self._update_timer_callback_tag = (gobject.timeout_add
176
196
self.update_timer))
177
elif not (flag or self._update_timer_callback_tag is None):
178
GLib.source_remove(self._update_timer_callback_tag)
197
elif old and self._update_timer_callback_lock == 0:
198
gobject.source_remove(self._update_timer_callback_tag)
179
199
self._update_timer_callback_tag = None
181
201
def checker_completed(self, exitstatus, condition, command):
182
202
if exitstatus == 0:
183
self.logger('Checker for client {} (command "{}")'
184
' succeeded'.format(self.properties["Name"],
203
if self.last_checker_failed:
204
self.last_checker_failed = False
205
self.using_timer(False)
206
#self.logger('Checker for client %s (command "%s")'
208
# % (self.properties["Name"], command))
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
189
215
if os.WIFEXITED(condition):
190
self.logger('Checker for client {} (command "{}") failed'
192
.format(self.properties["Name"], command,
193
os.WEXITSTATUS(condition)))
216
self.logger('Checker for client %s (command "%s")'
217
' failed with exit code %s'
218
% (self.properties["Name"], command,
219
os.WEXITSTATUS(condition)))
194
220
elif os.WIFSIGNALED(condition):
195
self.logger('Checker for client {} (command "{}") was'
196
' killed by signal {}'
197
.format(self.properties["Name"], command,
198
os.WTERMSIG(condition)))
221
self.logger('Checker for client %s (command "%s")'
222
' was killed by signal %s'
223
% (self.properties["Name"], command,
224
os.WTERMSIG(condition)))
225
elif os.WCOREDUMP(condition):
226
self.logger('Checker for client %s (command "%s")'
228
% (self.properties["Name"], command))
230
self.logger('Checker for client %s completed'
201
234
def checker_started(self, command):
202
"""Server signals that a checker started."""
203
self.logger('Client {} started checker "{}"'
204
.format(self.properties["Name"],
235
#self.logger('Client %s started checker "%s"'
236
# % (self.properties["Name"], unicode(command)))
207
239
def got_secret(self):
208
self.logger('Client {} received its secret'
209
.format(self.properties["Name"]))
240
self.last_checker_failed = False
241
self.logger('Client %s received its secret'
242
% self.properties["Name"])
211
244
def need_approval(self, timeout, default):
213
message = 'Client {} needs approval within {} seconds'
246
message = 'Client %s needs approval within %s seconds'
215
message = 'Client {} will get its secret in {} seconds'
216
self.logger(message.format(self.properties["Name"],
248
message = 'Client %s will get its secret in %s seconds'
250
% (self.properties["Name"], timeout/1000))
251
self.using_timer(True)
219
253
def rejected(self, reason):
220
self.logger('Client {} was rejected; reason: {}'
221
.format(self.properties["Name"], reason))
254
self.logger('Client %s was rejected; reason: %s'
255
% (self.properties["Name"], reason))
223
257
def selectable(self):
224
258
"""Make this a "selectable" widget.
225
259
This overrides the method from urwid.FlowWidget."""
228
262
def rows(self, maxcolrow, focus=False):
229
263
"""How many rows this widget will occupy might depend on
230
264
whether we have focus or not.
231
265
This overrides the method from urwid.FlowWidget"""
232
266
return self.current_widget(focus).rows(maxcolrow, focus=focus)
234
268
def current_widget(self, focus=False):
235
269
if focus or self.opened:
236
270
return self._focus_widget
237
271
return self._widget
239
273
def update(self):
240
274
"Called when what is visible on the screen should be updated."
241
275
# 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",
276
with_standout = { "normal": "standout",
277
"bold": "bold-standout",
279
"underline-blink-standout",
280
"bold-underline-blink":
281
"bold-underline-blink-standout",
250
284
# Rebuild focus and non-focus widgets using current properties
252
286
# Base part of a client. Name!
253
base = '{name}: '.format(name=self.properties["Name"])
288
% {"name": self.properties["Name"]})
254
289
if not self.properties["Enabled"]:
255
290
message = "DISABLED"
256
self.using_timer(False)
257
291
elif self.properties["ApprovalPending"]:
258
timeout = datetime.timedelta(
259
milliseconds=self.properties["ApprovalDelay"])
292
timeout = datetime.timedelta(milliseconds
260
295
last_approval_request = isoformat_to_datetime(
261
296
self.properties["LastApprovalRequest"])
262
297
if last_approval_request is not None:
263
timer = max(timeout - (datetime.datetime.utcnow()
264
- last_approval_request),
265
datetime.timedelta())
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
267
301
timer = datetime.timedelta()
268
302
if self.properties["ApprovedByDefault"]:
269
message = "Approval in {}. (d)eny?"
271
message = "Denial in {}. (a)pprove?"
272
message = message.format(str(timer).rsplit(".", 1)[0])
273
self.using_timer(True)
274
elif self.properties["LastCheckerStatus"] != 0:
275
# When checker has failed, show timer until client expires
276
expires = self.properties["Expires"]
278
timer = datetime.timedelta(0)
280
expires = (datetime.datetime.strptime
281
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
282
timer = max(expires - datetime.datetime.utcnow(),
283
datetime.timedelta())
303
message = "Approval in %s. (d)eny?"
305
message = "Denial in %s. (a)pprove?"
306
message = message % unicode(timer).rsplit(".", 1)[0]
307
elif self.last_checker_failed:
308
timeout = datetime.timedelta(milliseconds
311
last_ok = isoformat_to_datetime(
312
max((self.properties["LastCheckedOK"]
313
or self.properties["Created"]),
314
self.properties["LastEnabled"]))
315
timer = timeout - (datetime.datetime.utcnow() - last_ok)
284
316
message = ('A checker has failed! Time until client'
286
.format(str(timer).rsplit(".", 1)[0]))
287
self.using_timer(True)
318
% unicode(timer).rsplit(".", 1)[0])
289
320
message = "enabled"
290
self.using_timer(False)
291
self._text = "{}{}".format(base, message)
321
self._text = "%s%s" % (base, message)
293
323
if not urwid.supports_unicode():
294
324
self._text = self._text.encode("ascii", "replace")
295
325
textlist = [("normal", self._text)]
305
335
# Run update hook, if any
306
336
if self.update_hook is not None:
307
337
self.update_hook()
309
339
def update_timer(self):
310
"""called by GLib. Will indefinitely loop until
311
GLib.source_remove() on tag is called
314
342
return True # Keep calling this
316
def delete(self, **kwargs):
317
345
if self._update_timer_callback_tag is not None:
318
GLib.source_remove(self._update_timer_callback_tag)
346
gobject.source_remove(self._update_timer_callback_tag)
319
347
self._update_timer_callback_tag = None
320
for match in self.match_objects:
322
self.match_objects = ()
323
348
if self.delete_hook is not None:
324
349
self.delete_hook(self)
325
return super(MandosClientWidget, self).delete(**kwargs)
327
351
def render(self, maxcolrow, focus=False):
328
352
"""Render differently if we have focus.
329
353
This overrides the method from urwid.FlowWidget"""
330
354
return self.current_widget(focus).render(maxcolrow,
333
357
def keypress(self, maxcolrow, key):
335
359
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)
361
self.proxy.Enable(dbus_interface = client_interface,
341
self.proxy.Set(client_interface, "Enabled", False,
343
dbus_interface=dbus.PROPERTIES_IFACE)
364
self.proxy.Disable(dbus_interface = client_interface,
345
367
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
346
dbus_interface=client_interface,
368
dbus_interface = client_interface,
347
369
ignore_reply=True)
349
371
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
350
dbus_interface=client_interface,
372
dbus_interface = client_interface,
351
373
ignore_reply=True)
352
374
elif key == "R" or key == "_" or key == "ctrl k":
353
375
self.server_proxy_object.RemoveClient(self.proxy
355
377
ignore_reply=True)
357
self.proxy.Set(client_interface, "CheckerRunning",
358
dbus.Boolean(True), ignore_reply=True,
359
dbus_interface=dbus.PROPERTIES_IFACE)
379
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)
382
self.proxy.StopChecker(dbus_interface = client_interface,
365
self.proxy.CheckedOK(dbus_interface=client_interface,
385
self.proxy.CheckedOK(dbus_interface = client_interface,
366
386
ignore_reply=True)
368
388
# elif key == "p" or key == "=":
403
422
"""This is the entire user interface - the whole screen
404
423
with boxes, lists of client widgets, etc.
406
def __init__(self, max_log_length=1000, log_level=1):
425
def __init__(self, max_log_length=1000):
407
426
DBusGMainLoop(set_as_default=True)
409
428
self.screen = urwid.curses_display.Screen()
411
430
self.screen.register_palette((
413
432
"default", "default", None),
415
"bold", "default", "bold"),
434
"default", "default", "bold"),
416
435
("underline-blink",
417
"underline,blink", "default", "underline,blink"),
436
"default", "default", "underline"),
419
"standout", "default", "standout"),
438
"default", "default", "standout"),
420
439
("bold-underline-blink",
421
"bold,underline,blink", "default",
422
"bold,underline,blink"),
440
"default", "default", ("bold", "underline")),
423
441
("bold-standout",
424
"bold,standout", "default", "bold,standout"),
442
"default", "default", ("bold", "standout")),
425
443
("underline-blink-standout",
426
"underline,blink,standout", "default",
427
"underline,blink,standout"),
444
"default", "default", ("underline", "standout")),
428
445
("bold-underline-blink-standout",
429
"bold,underline,blink,standout", "default",
430
"bold,underline,blink,standout"),
446
"default", "default", ("bold", "underline",
433
450
if urwid.supports_unicode():
434
self.divider = "─" # \u2500
451
self.divider = "─" # \u2500
452
#self.divider = "━" # \u2501
436
self.divider = "_" # \u005f
454
#self.divider = "-" # \u002d
455
self.divider = "_" # \u005f
438
457
self.screen.start()
440
459
self.size = self.screen.get_cols_rows()
442
461
self.clients = urwid.SimpleListWalker([])
443
462
self.clients_dict = {}
445
464
# We will add Text widgets to this list
447
466
self.max_log_length = max_log_length
449
self.log_level = log_level
451
468
# We keep a reference to the log widget so we can remove it
452
469
# from the ListWalker without it getting destroyed
453
470
self.logbox = ConstrainedListBox(self.log)
455
472
# This keeps track of whether self.uilist currently has
456
473
# self.logbox in it or not
457
474
self.log_visible = True
458
475
self.log_wrap = "any"
461
478
self.log_message_raw(("bold",
462
479
"Mandos Monitor version " + version))
463
480
self.log_message_raw(("bold",
464
481
"q: Quit ?: Help"))
466
483
self.busname = domain + '.Mandos'
467
self.main_loop = GLib.MainLoop()
484
self.main_loop = gobject.MainLoop()
485
self.bus = dbus.SystemBus()
486
mandos_dbus_objc = self.bus.get_object(
487
self.busname, "/", follow_name_owner_changes=True)
488
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
492
mandos_clients = (self.mandos_serv
493
.GetAllClientsWithProperties())
494
except dbus.exceptions.DBusException:
495
mandos_clients = dbus.Dictionary()
498
.connect_to_signal("ClientRemoved",
499
self.find_and_remove_client,
500
dbus_interface=server_interface,
503
.connect_to_signal("ClientAdded",
505
dbus_interface=server_interface,
508
.connect_to_signal("ClientNotFound",
509
self.client_not_found,
510
dbus_interface=server_interface,
512
for path, client in mandos_clients.iteritems():
513
client_proxy_object = self.bus.get_object(self.busname,
515
self.add_client(MandosClientWidget(server_proxy_object
518
=client_proxy_object,
469
528
def client_not_found(self, fingerprint, address):
470
self.log_message("Client with address {} and fingerprint {}"
471
" could not be found"
472
.format(address, fingerprint))
529
self.log_message(("Client with address %s and fingerprint %s"
530
" could not be found" % (address,
474
533
def rebuild(self):
475
534
"""This rebuilds the User Interface.
476
535
Call this when the widget layout needs to change"""
478
# self.uilist.append(urwid.ListBox(self.clients))
537
#self.uilist.append(urwid.ListBox(self.clients))
479
538
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
481
# header=urwid.Divider(),
540
#header=urwid.Divider(),
483
footer=urwid.Divider(
484
div_char=self.divider)))
543
urwid.Divider(div_char=
485
545
if self.log_visible:
486
546
self.uilist.append(self.logbox)
487
548
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:
550
def log_message(self, message):
493
551
timestamp = datetime.datetime.now().isoformat()
494
self.log_message_raw("{}: {}".format(timestamp, message),
497
def log_message_raw(self, markup, level=1):
552
self.log_message_raw(timestamp + ": " + message)
554
def log_message_raw(self, markup):
498
555
"""Add a log message to the log buffer."""
499
if level < self.log_level:
501
556
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]
557
if (self.max_log_length
558
and len(self.log) > self.max_log_length):
559
del self.log[0:len(self.log)-self.max_log_length-1]
505
560
self.logbox.set_focus(len(self.logbox.body.contents),
506
561
coming_from="above")
509
564
def toggle_log_display(self):
510
565
"""Toggle visibility of the log buffer."""
511
566
self.log_visible = not self.log_visible
513
self.log_message("Log visibility changed to: {}"
514
.format(self.log_visible), level=0)
568
#self.log_message("Log visibility changed to: "
569
# + unicode(self.log_visible))
516
571
def change_log_display(self):
517
572
"""Change type of log display.
518
573
Currently, this toggles wrapping of text lines."""
522
577
self.log_wrap = "clip"
523
578
for textwidget in self.log:
524
579
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):
529
"""Find a client by its object path and remove it.
531
This is connected to the InterfacesRemoved signal from the
580
#self.log_message("Wrap mode: " + self.log_wrap)
582
def find_and_remove_client(self, path, name):
583
"""Find an client from its object path and remove it.
585
This is connected to the ClientRemoved signal from the
532
586
Mandos server object."""
533
if client_interface not in interfaces:
534
# Not a Mandos client object; ignore
537
588
client = self.clients_dict[path]
540
self.log_message("Unknown client {!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
592
self.remove_client(client, path)
594
def add_new_client(self, path):
554
595
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])),
596
self.add_client(MandosClientWidget(server_proxy_object
599
=client_proxy_object,
564
608
def add_client(self, client, path=None):
565
609
self.clients.append(client)
567
611
path = client.proxy.object_path
568
612
self.clients_dict[path] = client
569
self.clients.sort(key=lambda c: c.properties["Name"])
613
self.clients.sort(None, lambda c: c.properties["Name"])
572
616
def remove_client(self, client, path=None):
573
617
self.clients.remove(client)
575
619
path = client.proxy.object_path
576
620
del self.clients_dict[path]
621
if not self.clients_dict:
622
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
623
# is completely emptied, we need to recreate it.
624
self.clients = urwid.SimpleListWalker([])
579
628
def refresh(self):
580
629
"""Redraw the screen"""
581
630
canvas = self.topwidget.render(self.size, focus=True)
582
631
self.screen.draw_screen(self.size, canvas)
585
634
"""Start the main loop and exit when it's done."""
586
self.bus = dbus.SystemBus()
587
mandos_dbus_objc = self.bus.get_object(
588
self.busname, "/", follow_name_owner_changes=True)
589
self.mandos_serv = dbus.Interface(
590
mandos_dbus_objc, dbus_interface=server_interface)
592
mandos_clients = (self.mandos_serv
593
.GetAllClientsWithProperties())
594
if not mandos_clients:
595
self.log_message_raw(("bold",
596
"Note: Server has no clients."))
597
except dbus.exceptions.DBusException:
598
self.log_message_raw(("bold",
599
"Note: No Mandos server running."))
600
mandos_clients = dbus.Dictionary()
603
.connect_to_signal("InterfacesRemoved",
604
self.find_and_remove_client,
605
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
608
.connect_to_signal("InterfacesAdded",
610
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
613
.connect_to_signal("ClientNotFound",
614
self.client_not_found,
615
dbus_interface=server_interface,
617
for path, client in mandos_clients.items():
618
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),
630
self._input_callback_tag = (GLib.io_add_watch
636
self._input_callback_tag = (gobject.io_add_watch
631
637
(sys.stdin.fileno(),
633
639
self.process_input))
634
640
self.main_loop.run()
635
641
# Main loop has finished, we should close everything now
636
GLib.source_remove(self._input_callback_tag)
642
gobject.source_remove(self._input_callback_tag)
637
643
self.screen.stop()
640
646
self.main_loop.quit()
642
648
def process_input(self, source, condition):
643
649
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
650
translations = { "ctrl n": "down", # Emacs
651
"ctrl p": "up", # Emacs
652
"ctrl v": "page down", # Emacs
653
"meta v": "page up", # Emacs
654
" ": "page down", # less
655
"f": "page down", # less
656
"b": "page up", # less
656
662
key = translations[key]
657
663
except KeyError: # :-)
660
666
if key == "q" or key == "Q":
663
669
elif key == "window resize":
664
670
self.size = self.screen.get_cols_rows()
666
elif key == "ctrl l":
672
elif key == "\f": # Ctrl-L
669
674
elif key == "l" or key == "D":
670
675
self.toggle_log_display()