83
88
properties and calls a hook function when any of them are
86
def __init__(self, proxy_object=None, *args, **kwargs):
91
def __init__(self, proxy_object=None, properties=None, **kwargs):
87
92
self.proxy = proxy_object # Mandos Client proxy object
89
self.properties = dict()
93
self.properties = dict() if properties is None else properties
90
94
self.property_changed_match = (
91
self.proxy.connect_to_signal("PropertyChanged",
92
self.property_changed,
95
self.proxy.connect_to_signal("PropertiesChanged",
96
self.properties_changed,
97
dbus.PROPERTIES_IFACE,
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__(
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)
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.
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.
108
112
# Update properties dict with new value
109
self.properties[property] = value
113
if interface == client_interface:
114
self.properties.update(properties)
111
def delete(self, *args, **kwargs):
112
117
self.property_changed_match.remove()
113
super(MandosClientPropertyCache, self).__init__(
117
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
130
133
self.logger = logger
132
135
self._update_timer_callback_tag = None
133
self._update_timer_callback_lock = 0
134
self.last_checker_failed = False
136
137
# The widget shown normally
137
138
self._text_widget = urwid.Text("")
138
139
# The widget shown when we have focus
139
140
self._focus_text_widget = urwid.Text("")
140
super(MandosClientWidget, self).__init__(
141
update_hook=update_hook, delete_hook=delete_hook,
141
super(MandosClientWidget, self).__init__(**kwargs)
144
143
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)
164
145
self.match_objects = (
165
146
self.proxy.connect_to_signal("CheckerCompleted",
166
147
self.checker_completed,
183
164
client_interface,
184
165
byte_arrays=True))
185
#self.logger('Created client %s' % (self.properties["Name"]))
166
self.logger('Created client {}'
167
.format(self.properties["Name"]), level=0)
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))
193
169
def using_timer(self, flag):
194
170
"""Call this method with True or False when timer should be
195
171
activated or deactivated.
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:
173
if flag and self._update_timer_callback_tag is None:
203
174
# Will update the shown timer value every second
204
175
self._update_timer_callback_tag = (gobject.timeout_add
206
177
self.update_timer))
207
elif old and self._update_timer_callback_lock == 0:
178
elif not (flag or self._update_timer_callback_tag is None):
208
179
gobject.source_remove(self._update_timer_callback_tag)
209
180
self._update_timer_callback_tag = None
211
182
def checker_completed(self, exitstatus, condition, command):
212
183
if exitstatus == 0:
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))
184
self.logger('Checker for client {} (command "{}")'
185
' succeeded'.format(self.properties["Name"],
222
if not self.last_checker_failed:
223
self.last_checker_failed = True
224
self.using_timer(True)
225
190
if os.WIFEXITED(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)))
191
self.logger('Checker for client {} (command "{}") failed'
193
.format(self.properties["Name"], command,
194
os.WEXITSTATUS(condition)))
230
195
elif os.WIFSIGNALED(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'
196
self.logger('Checker for client {} (command "{}") was'
197
' killed by signal {}'
198
.format(self.properties["Name"], command,
199
os.WTERMSIG(condition)))
244
202
def checker_started(self, command):
245
"""Server signals that a checker started. This could be useful
246
to log in the future. """
247
#self.logger('Client %s started checker "%s"'
248
# % (self.properties["Name"], unicode(command)))
203
"""Server signals that a checker started."""
204
self.logger('Client {} started checker "{}"'
205
.format(self.properties["Name"],
251
208
def got_secret(self):
252
self.last_checker_failed = False
253
self.logger('Client %s received its secret'
254
% self.properties["Name"])
209
self.logger('Client {} received its secret'
210
.format(self.properties["Name"]))
256
212
def need_approval(self, timeout, default):
258
message = 'Client %s needs approval within %s seconds'
214
message = 'Client {} needs approval within {} seconds'
260
message = 'Client %s will get its secret in %s seconds'
262
% (self.properties["Name"], timeout/1000))
263
self.using_timer(True)
216
message = 'Client {} will get its secret in {} seconds'
217
self.logger(message.format(self.properties["Name"],
265
220
def rejected(self, reason):
266
self.logger('Client %s was rejected; reason: %s'
267
% (self.properties["Name"], reason))
221
self.logger('Client {} was rejected; reason: {}'
222
.format(self.properties["Name"], reason))
269
224
def selectable(self):
270
225
"""Make this a "selectable" widget.
307
262
last_approval_request = isoformat_to_datetime(
308
263
self.properties["LastApprovalRequest"])
309
264
if last_approval_request is not None:
310
timer = timeout - (datetime.datetime.utcnow()
311
- last_approval_request)
265
timer = max(timeout - (datetime.datetime.utcnow()
266
- last_approval_request),
267
datetime.timedelta())
313
269
timer = datetime.timedelta()
314
270
if self.properties["ApprovedByDefault"]:
315
message = "Approval in %s. (d)eny?"
271
message = "Approval in {}. (d)eny?"
317
message = "Denial in %s. (a)pprove?"
318
message = message % unicode(timer).rsplit(".", 1)[0]
319
elif self.last_checker_failed:
320
# When checker has failed, print a timer until client expires
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
321
278
expires = self.properties["Expires"]
322
279
if expires == "":
323
280
timer = datetime.timedelta(0)
325
expires = datetime.datetime.strptime(expires,
326
'%Y-%m-%dT%H:%M:%S.%f')
327
timer = expires - datetime.datetime.utcnow()
282
expires = (datetime.datetime.strptime
283
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
284
timer = max(expires - datetime.datetime.utcnow(),
285
datetime.timedelta())
328
286
message = ('A checker has failed! Time until client'
330
% unicode(timer).rsplit(".", 1)[0])
288
.format(str(timer).rsplit(".", 1)[0]))
289
self.using_timer(True)
332
291
message = "enabled"
333
self._text = "%s%s" % (base, message)
292
self.using_timer(False)
293
self._text = "{}{}".format(base, message)
335
295
if not urwid.supports_unicode():
336
296
self._text = self._text.encode("ascii", "replace")
337
297
textlist = [("normal", self._text)]
376
336
This overrides the method from urwid.FlowWidget"""
378
self.proxy.Enable(dbus_interface = client_interface,
338
self.proxy.Set(client_interface, "Enabled",
339
dbus.Boolean(True), ignore_reply = True,
340
dbus_interface = dbus.PROPERTIES_IFACE)
381
self.proxy.Disable(dbus_interface = client_interface,
342
self.proxy.Set(client_interface, "Enabled", False,
344
dbus_interface = dbus.PROPERTIES_IFACE)
384
346
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
385
347
dbus_interface = client_interface,
414
def property_changed(self, property=None, value=None,
416
"""Call self.update() if old value is not new value.
378
def properties_changed(self, interface, properties, invalidated):
379
"""Call self.update() if any properties changed.
417
380
This overrides the method from MandosClientPropertyCache"""
418
property_name = unicode(property)
419
old_value = self.properties.get(property_name)
420
super(MandosClientWidget, self).property_changed(
421
property=property, value=value, *args, **kwargs)
422
if self.properties.get(property_name) != old_value:
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):
449
413
"default", "default", None),
451
"default", "default", "bold"),
415
"bold", "default", "bold"),
452
416
("underline-blink",
453
"default", "default", "underline"),
417
"underline,blink", "default", "underline,blink"),
455
"default", "default", "standout"),
419
"standout", "default", "standout"),
456
420
("bold-underline-blink",
457
"default", "default", ("bold", "underline")),
421
"bold,underline,blink", "default", "bold,underline,blink"),
458
422
("bold-standout",
459
"default", "default", ("bold", "standout")),
423
"bold,standout", "default", "bold,standout"),
460
424
("underline-blink-standout",
461
"default", "default", ("underline", "standout")),
425
"underline,blink,standout", "default",
426
"underline,blink,standout"),
462
427
("bold-underline-blink-standout",
463
"default", "default", ("bold", "underline",
428
"bold,underline,blink,standout", "default",
429
"bold,underline,blink,standout"),
467
432
if urwid.supports_unicode():
521
488
self.uilist.append(self.logbox)
522
489
self.topwidget = urwid.Pile(self.uilist)
524
def log_message(self, message):
491
def log_message(self, message, level=1):
492
"""Log message formatted with timestamp"""
493
if level < self.log_level:
525
495
timestamp = datetime.datetime.now().isoformat()
526
self.log_message_raw(timestamp + ": " + message)
496
self.log_message_raw("{}: {}".format(timestamp, message),
528
def log_message_raw(self, markup):
499
def log_message_raw(self, markup, level=1):
529
500
"""Add a log message to the log buffer."""
501
if level < self.log_level:
530
503
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
531
504
if (self.max_log_length
532
505
and len(self.log) > self.max_log_length):
551
524
self.log_wrap = "clip"
552
525
for textwidget in self.log:
553
526
textwidget.set_wrap_mode(self.log_wrap)
554
#self.log_message("Wrap mode: " + self.log_wrap)
527
self.log_message("Wrap mode: {}".format(self.log_wrap),
556
def find_and_remove_client(self, path, name):
530
def find_and_remove_client(self, path, interfaces):
557
531
"""Find a client by its object path and remove it.
559
This is connected to the ClientRemoved signal from the
533
This is connected to the InterfacesRemoved signal from the
560
534
Mandos server object."""
535
if client_interface not in interfaces:
536
# Not a Mandos client object; ignore
562
539
client = self.clients_dict[path]
565
self.log_message("Unknown client %r (%r) removed", name,
542
self.log_message("Unknown client {!r} removed"
570
def add_new_client(self, 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
571
556
client_proxy_object = self.bus.get_object(self.busname, path)
572
557
self.add_client(MandosClientWidget(server_proxy_object
573
558
=self.mandos_serv,
618
601
mandos_clients = (self.mandos_serv
619
602
.GetAllClientsWithProperties())
603
if not mandos_clients:
604
self.log_message_raw(("bold", "Note: Server has no clients."))
620
605
except dbus.exceptions.DBusException:
606
self.log_message_raw(("bold", "Note: No Mandos server running."))
621
607
mandos_clients = dbus.Dictionary()
623
609
(self.mandos_serv
624
.connect_to_signal("ClientRemoved",
610
.connect_to_signal("InterfacesRemoved",
625
611
self.find_and_remove_client,
626
dbus_interface=server_interface,
613
= dbus.OBJECT_MANAGER_IFACE,
627
614
byte_arrays=True))
628
615
(self.mandos_serv
629
.connect_to_signal("ClientAdded",
616
.connect_to_signal("InterfacesAdded",
630
617
self.add_new_client,
631
dbus_interface=server_interface,
619
= dbus.OBJECT_MANAGER_IFACE,
632
620
byte_arrays=True))
633
621
(self.mandos_serv
634
622
.connect_to_signal("ClientNotFound",
635
623
self.client_not_found,
636
624
dbus_interface=server_interface,
637
625
byte_arrays=True))
638
for path, client in mandos_clients.iteritems():
626
for path, client in mandos_clients.items():
639
627
client_proxy_object = self.bus.get_object(self.busname,
641
629
self.add_client(MandosClientWidget(server_proxy_object