88
83
properties and calls a hook function when any of them are
91
def __init__(self, proxy_object=None, properties=None, **kwargs):
86
def __init__(self, proxy_object=None, *args, **kwargs):
92
87
self.proxy = proxy_object # Mandos Client proxy object
93
self.properties = dict() if properties is None else properties
89
self.properties = dict()
94
90
self.property_changed_match = (
95
self.proxy.connect_to_signal("PropertiesChanged",
96
self.properties_changed,
97
dbus.PROPERTIES_IFACE,
91
self.proxy.connect_to_signal("PropertyChanged",
92
self.property_changed,
100
if properties is None:
101
self.properties.update(
102
self.proxy.GetAll(client_interface,
104
= dbus.PROPERTIES_IFACE))
106
super(MandosClientPropertyCache, self).__init__(**kwargs)
96
self.properties.update(
97
self.proxy.GetAll(client_interface,
98
dbus_interface = dbus.PROPERTIES_IFACE))
100
#XXX This breaks good super behaviour
101
# super(MandosClientPropertyCache, self).__init__(
108
def properties_changed(self, interface, properties, invalidated):
109
"""This is called whenever we get a PropertiesChanged signal
110
It updates the changed properties in the "properties" dict.
104
def property_changed(self, property=None, value=None):
105
"""This is called whenever we get a PropertyChanged signal
106
It updates the changed property in the "properties" dict.
112
108
# Update properties dict with new value
113
if interface == client_interface:
114
self.properties.update(properties)
109
self.properties[property] = value
111
def delete(self, *args, **kwargs):
117
112
self.property_changed_match.remove()
113
super(MandosClientPropertyCache, self).__init__(
120
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
133
130
self.logger = logger
135
132
self._update_timer_callback_tag = None
133
self._update_timer_callback_lock = 0
134
self.last_checker_failed = False
137
136
# The widget shown normally
138
137
self._text_widget = urwid.Text("")
139
138
# The widget shown when we have focus
140
139
self._focus_text_widget = urwid.Text("")
141
super(MandosClientWidget, self).__init__(**kwargs)
140
super(MandosClientWidget, self).__init__(
141
update_hook=update_hook, delete_hook=delete_hook,
143
144
self.opened = False
146
last_checked_ok = isoformat_to_datetime(self.properties
148
if last_checked_ok is None:
149
self.last_checker_failed = True
151
self.last_checker_failed = ((datetime.datetime.utcnow()
158
if self.last_checker_failed:
159
self.using_timer(True)
161
if self.need_approval:
162
self.using_timer(True)
145
164
self.match_objects = (
146
165
self.proxy.connect_to_signal("CheckerCompleted",
147
166
self.checker_completed,
164
183
client_interface,
165
184
byte_arrays=True))
166
self.logger('Created client {}'
167
.format(self.properties["Name"]), level=0)
185
#self.logger('Created client %s' % (self.properties["Name"]))
187
def property_changed(self, property=None, value=None):
188
super(self, MandosClientWidget).property_changed(property,
190
if property == "ApprovalPending":
191
using_timer(bool(value))
169
193
def using_timer(self, flag):
170
194
"""Call this method with True or False when timer should be
171
195
activated or deactivated.
173
if flag and self._update_timer_callback_tag is None:
197
old = self._update_timer_callback_lock
199
self._update_timer_callback_lock += 1
201
self._update_timer_callback_lock -= 1
202
if old == 0 and self._update_timer_callback_lock:
174
203
# Will update the shown timer value every second
175
self._update_timer_callback_tag = (GObject.timeout_add
204
self._update_timer_callback_tag = (gobject.timeout_add
177
206
self.update_timer))
178
elif not (flag or self._update_timer_callback_tag is None):
179
GObject.source_remove(self._update_timer_callback_tag)
207
elif old and self._update_timer_callback_lock == 0:
208
gobject.source_remove(self._update_timer_callback_tag)
180
209
self._update_timer_callback_tag = None
182
211
def checker_completed(self, exitstatus, condition, command):
183
212
if exitstatus == 0:
184
self.logger('Checker for client {} (command "{}")'
185
' succeeded'.format(self.properties["Name"],
213
if self.last_checker_failed:
214
self.last_checker_failed = False
215
self.using_timer(False)
216
#self.logger('Checker for client %s (command "%s")'
218
# % (self.properties["Name"], command))
222
if not self.last_checker_failed:
223
self.last_checker_failed = True
224
self.using_timer(True)
190
225
if os.WIFEXITED(condition):
191
self.logger('Checker for client {} (command "{}") failed'
193
.format(self.properties["Name"], command,
194
os.WEXITSTATUS(condition)))
226
self.logger('Checker for client %s (command "%s")'
227
' failed with exit code %s'
228
% (self.properties["Name"], command,
229
os.WEXITSTATUS(condition)))
195
230
elif os.WIFSIGNALED(condition):
196
self.logger('Checker for client {} (command "{}") was'
197
' killed by signal {}'
198
.format(self.properties["Name"], command,
199
os.WTERMSIG(condition)))
231
self.logger('Checker for client %s (command "%s")'
232
' was killed by signal %s'
233
% (self.properties["Name"], command,
234
os.WTERMSIG(condition)))
235
elif os.WCOREDUMP(condition):
236
self.logger('Checker for client %s (command "%s")'
238
% (self.properties["Name"], command))
240
self.logger('Checker for client %s completed'
202
244
def checker_started(self, command):
203
"""Server signals that a checker started."""
204
self.logger('Client {} started checker "{}"'
205
.format(self.properties["Name"],
245
#self.logger('Client %s started checker "%s"'
246
# % (self.properties["Name"], unicode(command)))
208
249
def got_secret(self):
209
self.logger('Client {} received its secret'
210
.format(self.properties["Name"]))
250
self.last_checker_failed = False
251
self.logger('Client %s received its secret'
252
% self.properties["Name"])
212
254
def need_approval(self, timeout, default):
214
message = 'Client {} needs approval within {} seconds'
256
message = 'Client %s needs approval within %s seconds'
216
message = 'Client {} will get its secret in {} seconds'
217
self.logger(message.format(self.properties["Name"],
258
message = 'Client %s will get its secret in %s seconds'
260
% (self.properties["Name"], timeout/1000))
261
self.using_timer(True)
220
263
def rejected(self, reason):
221
self.logger('Client {} was rejected; reason: {}'
222
.format(self.properties["Name"], reason))
264
self.logger('Client %s was rejected; reason: %s'
265
% (self.properties["Name"], reason))
224
267
def selectable(self):
225
268
"""Make this a "selectable" widget.
262
305
last_approval_request = isoformat_to_datetime(
263
306
self.properties["LastApprovalRequest"])
264
307
if last_approval_request is not None:
265
timer = max(timeout - (datetime.datetime.utcnow()
266
- last_approval_request),
267
datetime.timedelta())
308
timer = timeout - (datetime.datetime.utcnow()
309
- last_approval_request)
269
311
timer = datetime.timedelta()
270
312
if self.properties["ApprovedByDefault"]:
271
message = "Approval in {}. (d)eny?"
313
message = "Approval in %s. (d)eny?"
273
message = "Denial in {}. (a)pprove?"
274
message = message.format(str(timer).rsplit(".", 1)[0])
275
self.using_timer(True)
276
elif self.properties["LastCheckerStatus"] != 0:
277
# When checker has failed, show timer until client expires
315
message = "Denial in %s. (a)pprove?"
316
message = message % unicode(timer).rsplit(".", 1)[0]
317
elif self.last_checker_failed:
318
# When checker has failed, print a timer until client expires
278
319
expires = self.properties["Expires"]
279
320
if expires == "":
280
321
timer = datetime.timedelta(0)
282
expires = (datetime.datetime.strptime
283
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
284
timer = max(expires - datetime.datetime.utcnow(),
285
datetime.timedelta())
323
expires = datetime.datetime.strptime(expires,
324
'%Y-%m-%dT%H:%M:%S.%f')
325
timer = expires - datetime.datetime.utcnow()
286
326
message = ('A checker has failed! Time until client'
288
.format(str(timer).rsplit(".", 1)[0]))
289
self.using_timer(True)
328
% unicode(timer).rsplit(".", 1)[0])
291
330
message = "enabled"
292
self.using_timer(False)
293
self._text = "{}{}".format(base, message)
331
self._text = "%s%s" % (base, message)
295
333
if not urwid.supports_unicode():
296
334
self._text = self._text.encode("ascii", "replace")
297
335
textlist = [("normal", self._text)]
309
347
self.update_hook()
311
349
def update_timer(self):
312
"""called by GObject. Will indefinitely loop until
313
GObject.source_remove() on tag is called"""
350
"""called by gobject. Will indefinitely loop until
351
gobject.source_remove() on tag is called"""
315
353
return True # Keep calling this
317
def delete(self, **kwargs):
355
def delete(self, *args, **kwargs):
318
356
if self._update_timer_callback_tag is not None:
319
GObject.source_remove(self._update_timer_callback_tag)
357
gobject.source_remove(self._update_timer_callback_tag)
320
358
self._update_timer_callback_tag = None
321
359
for match in self.match_objects:
323
361
self.match_objects = ()
324
362
if self.delete_hook is not None:
325
363
self.delete_hook(self)
326
return super(MandosClientWidget, self).delete(**kwargs)
364
return super(MandosClientWidget, self).delete(*args, **kwargs)
328
366
def render(self, maxcolrow, focus=False):
329
367
"""Render differently if we have focus.
336
374
This overrides the method from urwid.FlowWidget"""
338
self.proxy.Set(client_interface, "Enabled",
339
dbus.Boolean(True), ignore_reply = True,
340
dbus_interface = dbus.PROPERTIES_IFACE)
376
self.proxy.Enable(dbus_interface = client_interface,
342
self.proxy.Set(client_interface, "Enabled", False,
344
dbus_interface = dbus.PROPERTIES_IFACE)
379
self.proxy.Disable(dbus_interface = client_interface,
346
382
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
383
dbus_interface = client_interface,
378
def properties_changed(self, interface, properties, invalidated):
379
"""Call self.update() if any properties changed.
412
def property_changed(self, property=None, value=None,
414
"""Call self.update() if old value is not new value.
380
415
This overrides the method from MandosClientPropertyCache"""
381
old_values = { key: self.properties.get(key)
382
for key in properties.keys() }
383
super(MandosClientWidget, self).properties_changed(
384
interface, properties, invalidated)
385
if any(old_values[key] != self.properties.get(key)
386
for key in old_values):
416
property_name = unicode(property)
417
old_value = self.properties.get(property_name)
418
super(MandosClientWidget, self).property_changed(
419
property=property, value=value, *args, **kwargs)
420
if self.properties.get(property_name) != old_value:
413
447
"default", "default", None),
415
"bold", "default", "bold"),
449
"default", "default", "bold"),
416
450
("underline-blink",
417
"underline,blink", "default", "underline,blink"),
451
"default", "default", "underline"),
419
"standout", "default", "standout"),
453
"default", "default", "standout"),
420
454
("bold-underline-blink",
421
"bold,underline,blink", "default", "bold,underline,blink"),
455
"default", "default", ("bold", "underline")),
422
456
("bold-standout",
423
"bold,standout", "default", "bold,standout"),
457
"default", "default", ("bold", "standout")),
424
458
("underline-blink-standout",
425
"underline,blink,standout", "default",
426
"underline,blink,standout"),
459
"default", "default", ("underline", "standout")),
427
460
("bold-underline-blink-standout",
428
"bold,underline,blink,standout", "default",
429
"bold,underline,blink,standout"),
461
"default", "default", ("bold", "underline",
432
465
if urwid.supports_unicode():
465
496
"q: Quit ?: Help"))
467
498
self.busname = domain + '.Mandos'
468
self.main_loop = GObject.MainLoop()
499
self.main_loop = gobject.MainLoop()
500
self.bus = dbus.SystemBus()
501
mandos_dbus_objc = self.bus.get_object(
502
self.busname, "/", follow_name_owner_changes=True)
503
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
507
mandos_clients = (self.mandos_serv
508
.GetAllClientsWithProperties())
509
except dbus.exceptions.DBusException:
510
mandos_clients = dbus.Dictionary()
513
.connect_to_signal("ClientRemoved",
514
self.find_and_remove_client,
515
dbus_interface=server_interface,
518
.connect_to_signal("ClientAdded",
520
dbus_interface=server_interface,
523
.connect_to_signal("ClientNotFound",
524
self.client_not_found,
525
dbus_interface=server_interface,
527
for path, client in mandos_clients.iteritems():
528
client_proxy_object = self.bus.get_object(self.busname,
530
self.add_client(MandosClientWidget(server_proxy_object
533
=client_proxy_object,
470
543
def client_not_found(self, fingerprint, address):
471
self.log_message("Client with address {} and fingerprint {}"
472
" could not be found"
473
.format(address, fingerprint))
544
self.log_message(("Client with address %s and fingerprint %s"
545
" could not be found" % (address,
475
548
def rebuild(self):
476
549
"""This rebuilds the User Interface.
487
560
if self.log_visible:
488
561
self.uilist.append(self.logbox)
489
563
self.topwidget = urwid.Pile(self.uilist)
491
def log_message(self, message, level=1):
492
"""Log message formatted with timestamp"""
493
if level < self.log_level:
565
def log_message(self, message):
495
566
timestamp = datetime.datetime.now().isoformat()
496
self.log_message_raw("{}: {}".format(timestamp, message),
567
self.log_message_raw(timestamp + ": " + message)
499
def log_message_raw(self, markup, level=1):
569
def log_message_raw(self, markup):
500
570
"""Add a log message to the log buffer."""
501
if level < self.log_level:
503
571
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
504
572
if (self.max_log_length
505
573
and len(self.log) > self.max_log_length):
524
592
self.log_wrap = "clip"
525
593
for textwidget in self.log:
526
594
textwidget.set_wrap_mode(self.log_wrap)
527
self.log_message("Wrap mode: {}".format(self.log_wrap),
595
#self.log_message("Wrap mode: " + self.log_wrap)
530
def find_and_remove_client(self, path, interfaces):
597
def find_and_remove_client(self, path, name):
531
598
"""Find a client by its object path and remove it.
533
This is connected to the InterfacesRemoved signal from the
600
This is connected to the ClientRemoved signal from the
534
601
Mandos server object."""
535
if client_interface not in interfaces:
536
# Not a Mandos client object; ignore
539
603
client = self.clients_dict[path]
542
self.log_message("Unknown client {!r} removed"
606
self.log_message("Unknown client %r (%r) removed", name,
547
def add_new_client(self, path, ifs_and_props):
548
"""Find a client by its object path and remove it.
550
This is connected to the InterfacesAdded signal from the
551
Mandos server object.
553
if client_interface not in ifs_and_props:
554
# Not a Mandos client object; ignore
611
def add_new_client(self, path):
556
612
client_proxy_object = self.bus.get_object(self.busname, path)
557
613
self.add_client(MandosClientWidget(server_proxy_object
558
614
=self.mandos_serv,
593
651
"""Start the main loop and exit when it's done."""
594
self.bus = dbus.SystemBus()
595
mandos_dbus_objc = self.bus.get_object(
596
self.busname, "/", follow_name_owner_changes=True)
597
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
601
mandos_clients = (self.mandos_serv
602
.GetAllClientsWithProperties())
603
if not mandos_clients:
604
self.log_message_raw(("bold", "Note: Server has no clients."))
605
except dbus.exceptions.DBusException:
606
self.log_message_raw(("bold", "Note: No Mandos server running."))
607
mandos_clients = dbus.Dictionary()
610
.connect_to_signal("InterfacesRemoved",
611
self.find_and_remove_client,
613
= dbus.OBJECT_MANAGER_IFACE,
616
.connect_to_signal("InterfacesAdded",
619
= dbus.OBJECT_MANAGER_IFACE,
622
.connect_to_signal("ClientNotFound",
623
self.client_not_found,
624
dbus_interface=server_interface,
626
for path, client in mandos_clients.items():
627
client_proxy_object = self.bus.get_object(self.busname,
629
self.add_client(MandosClientWidget(server_proxy_object
632
=client_proxy_object,
643
self._input_callback_tag = (GObject.io_add_watch
653
self._input_callback_tag = (gobject.io_add_watch
644
654
(sys.stdin.fileno(),
646
656
self.process_input))
647
657
self.main_loop.run()
648
658
# Main loop has finished, we should close everything now
649
GObject.source_remove(self._input_callback_tag)
659
gobject.source_remove(self._input_callback_tag)
650
660
self.screen.stop()