88
82
properties and calls a hook function when any of them are
91
def __init__(self, proxy_object=None, properties=None, **kwargs):
85
def __init__(self, proxy_object=None, *args, **kwargs):
92
86
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(
102
self.proxy.GetAll(client_interface,
104
= dbus.PROPERTIES_IFACE))
106
super(MandosClientPropertyCache, self).__init__(**kwargs)
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__(
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.
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.
112
106
# Update properties dict with new value
113
if interface == client_interface:
114
self.properties.update(properties)
117
self.property_changed_match.remove()
107
self.properties[property] = value
120
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
133
123
self.logger = logger
135
125
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
137
129
# The widget shown normally
138
130
self._text_widget = urwid.Text("")
139
131
# The widget shown when we have focus
140
132
self._focus_text_widget = urwid.Text("")
141
super(MandosClientWidget, self).__init__(**kwargs)
133
super(MandosClientWidget, self).__init__(
134
update_hook=update_hook, delete_hook=delete_hook,
143
137
self.opened = False
145
self.match_objects = (
146
self.proxy.connect_to_signal("CheckerCompleted",
147
self.checker_completed,
150
self.proxy.connect_to_signal("CheckerStarted",
151
self.checker_started,
154
self.proxy.connect_to_signal("GotSecret",
158
self.proxy.connect_to_signal("NeedApproval",
162
self.proxy.connect_to_signal("Rejected",
166
self.logger('Created client {}'
167
.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))
169
184
def using_timer(self, flag):
170
185
"""Call this method with True or False when timer should be
171
186
activated or deactivated.
173
if flag and self._update_timer_callback_tag is None:
174
# Will update the shown timer value every second
175
self._update_timer_callback_tag = (GObject.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
177
196
self.update_timer))
178
elif not (flag or self._update_timer_callback_tag is None):
179
GObject.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)
180
199
self._update_timer_callback_tag = None
182
201
def checker_completed(self, exitstatus, condition, command):
183
202
if exitstatus == 0:
184
self.logger('Checker for client {} (command "{}")'
185
' 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)
190
215
if os.WIFEXITED(condition):
191
self.logger('Checker for client {} (command "{}") failed'
193
.format(self.properties["Name"], command,
194
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)))
195
220
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)))
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'
202
234
def checker_started(self, command):
203
"""Server signals that a checker started."""
204
self.logger('Client {} started checker "{}"'
205
.format(self.properties["Name"],
235
#self.logger('Client %s started checker "%s"'
236
# % (self.properties["Name"], unicode(command)))
208
239
def got_secret(self):
209
self.logger('Client {} received its secret'
210
.format(self.properties["Name"]))
240
self.last_checker_failed = False
241
self.logger('Client %s received its secret'
242
% self.properties["Name"])
212
244
def need_approval(self, timeout, default):
214
message = 'Client {} needs approval within {} seconds'
246
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"],
248
message = 'Client %s will get its secret in %s seconds'
250
% (self.properties["Name"], timeout/1000))
251
self.using_timer(True)
220
253
def rejected(self, reason):
221
self.logger('Client {} was rejected; reason: {}'
222
.format(self.properties["Name"], reason))
254
self.logger('Client %s was rejected; reason: %s'
255
% (self.properties["Name"], reason))
224
257
def selectable(self):
225
258
"""Make this a "selectable" widget.
262
295
last_approval_request = isoformat_to_datetime(
263
296
self.properties["LastApprovalRequest"])
264
297
if last_approval_request is not None:
265
timer = max(timeout - (datetime.datetime.utcnow()
266
- last_approval_request),
267
datetime.timedelta())
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
269
301
timer = datetime.timedelta()
270
302
if self.properties["ApprovedByDefault"]:
271
message = "Approval in {}. (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
278
expires = self.properties["Expires"]
280
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())
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)
286
316
message = ('A checker has failed! Time until client'
288
.format(str(timer).rsplit(".", 1)[0]))
289
self.using_timer(True)
318
% unicode(timer).rsplit(".", 1)[0])
291
320
message = "enabled"
292
self.using_timer(False)
293
self._text = "{}{}".format(base, message)
321
self._text = "%s%s" % (base, message)
295
323
if not urwid.supports_unicode():
296
324
self._text = self._text.encode("ascii", "replace")
297
325
textlist = [("normal", self._text)]
336
359
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)
361
self.proxy.Enable(dbus_interface = client_interface)
342
self.proxy.Set(client_interface, "Enabled", False,
344
dbus_interface = dbus.PROPERTIES_IFACE)
363
self.proxy.Disable(dbus_interface = client_interface)
346
365
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
dbus_interface = client_interface,
366
dbus_interface = client_interface)
350
368
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
dbus_interface = client_interface,
369
dbus_interface = client_interface)
353
370
elif key == "R" or key == "_" or key == "ctrl k":
354
371
self.server_proxy_object.RemoveClient(self.proxy
358
self.proxy.Set(client_interface, "CheckerRunning",
359
dbus.Boolean(True), ignore_reply = True,
360
dbus_interface = dbus.PROPERTIES_IFACE)
374
self.proxy.StartChecker(dbus_interface = client_interface)
362
self.proxy.Set(client_interface, "CheckerRunning",
363
dbus.Boolean(False), ignore_reply = True,
364
dbus_interface = dbus.PROPERTIES_IFACE)
376
self.proxy.StopChecker(dbus_interface = client_interface)
366
self.proxy.CheckedOK(dbus_interface = client_interface,
378
self.proxy.CheckedOK(dbus_interface = client_interface)
369
380
# elif key == "p" or key == "=":
370
381
# self.proxy.pause()
378
def properties_changed(self, interface, properties, invalidated):
379
"""Call self.update() if any properties changed.
389
def property_changed(self, property=None, value=None,
391
"""Call self.update() if old value is not new value.
380
392
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):
393
property_name = unicode(property)
394
old_value = self.properties.get(property_name)
395
super(MandosClientWidget, self).property_changed(
396
property=property, value=value, *args, **kwargs)
397
if self.properties.get(property_name) != old_value:
413
424
"default", "default", None),
415
"bold", "default", "bold"),
426
"default", "default", "bold"),
416
427
("underline-blink",
417
"underline,blink", "default", "underline,blink"),
428
"default", "default", "underline"),
419
"standout", "default", "standout"),
430
"default", "default", "standout"),
420
431
("bold-underline-blink",
421
"bold,underline,blink", "default", "bold,underline,blink"),
432
"default", "default", ("bold", "underline")),
422
433
("bold-standout",
423
"bold,standout", "default", "bold,standout"),
434
"default", "default", ("bold", "standout")),
424
435
("underline-blink-standout",
425
"underline,blink,standout", "default",
426
"underline,blink,standout"),
436
"default", "default", ("underline", "standout")),
427
437
("bold-underline-blink-standout",
428
"bold,underline,blink,standout", "default",
429
"bold,underline,blink,standout"),
438
"default", "default", ("bold", "underline",
432
442
if urwid.supports_unicode():
465
473
"q: Quit ?: Help"))
467
475
self.busname = domain + '.Mandos'
468
self.main_loop = GObject.MainLoop()
476
self.main_loop = gobject.MainLoop()
477
self.bus = dbus.SystemBus()
478
mandos_dbus_objc = self.bus.get_object(
479
self.busname, "/", follow_name_owner_changes=True)
480
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
484
mandos_clients = (self.mandos_serv
485
.GetAllClientsWithProperties())
486
except dbus.exceptions.DBusException:
487
mandos_clients = dbus.Dictionary()
490
.connect_to_signal("ClientRemoved",
491
self.find_and_remove_client,
492
dbus_interface=server_interface,
495
.connect_to_signal("ClientAdded",
497
dbus_interface=server_interface,
500
.connect_to_signal("ClientNotFound",
501
self.client_not_found,
502
dbus_interface=server_interface,
504
for path, client in mandos_clients.iteritems():
505
client_proxy_object = self.bus.get_object(self.busname,
507
self.add_client(MandosClientWidget(server_proxy_object
510
=client_proxy_object,
470
520
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))
521
self.log_message(("Client with address %s and fingerprint %s"
522
" could not be found" % (address,
475
525
def rebuild(self):
476
526
"""This rebuilds the User Interface.
524
569
self.log_wrap = "clip"
525
570
for textwidget in self.log:
526
571
textwidget.set_wrap_mode(self.log_wrap)
527
self.log_message("Wrap mode: {}".format(self.log_wrap),
572
#self.log_message("Wrap mode: " + self.log_wrap)
530
def find_and_remove_client(self, path, interfaces):
531
"""Find a client by its object path and remove it.
574
def find_and_remove_client(self, path, name):
575
"""Find an client from its object path and remove it.
533
This is connected to the InterfacesRemoved signal from the
577
This is connected to the ClientRemoved signal from the
534
578
Mandos server object."""
535
if client_interface not in interfaces:
536
# Not a Mandos client object; ignore
539
580
client = self.clients_dict[path]
542
self.log_message("Unknown client {!r} removed"
584
self.remove_client(client, path)
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
586
def add_new_client(self, path):
556
587
client_proxy_object = self.bus.get_object(self.busname, path)
557
588
self.add_client(MandosClientWidget(server_proxy_object
558
589
=self.mandos_serv,
593
626
"""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
628
self._input_callback_tag = (gobject.io_add_watch
644
629
(sys.stdin.fileno(),
646
631
self.process_input))
647
632
self.main_loop.run()
648
633
# Main loop has finished, we should close everything now
649
GObject.source_remove(self._input_callback_tag)
634
gobject.source_remove(self._input_callback_tag)
650
635
self.screen.stop()