41
37
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GObject as gobject
51
if sys.version_info[0] == 2:
54
46
locale.setlocale(locale.LC_ALL, '')
57
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
59
51
# Some useful constants
60
domain = 'se.recompile'
52
domain = 'se.bsnet.fukt'
61
53
server_interface = domain + '.Mandos'
62
54
client_interface = domain + '.Mandos.Client'
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# Always run in monochrome mode
58
urwid.curses_display.curses.has_colors = lambda : False
60
# Urwid doesn't support blinking, but we want it. Since we have no
61
# use for underline on its own, we make underline also always blink.
62
urwid.curses_display.curses.A_UNDERLINE |= (
63
urwid.curses_display.curses.A_BLINK)
65
65
def isoformat_to_datetime(iso):
66
66
"Parse an ISO 8601 date string to a datetime.datetime()"
83
83
properties and calls a hook function when any of them are
86
def __init__(self, proxy_object=None, properties=None, **kwargs):
86
def __init__(self, proxy_object=None, *args, **kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
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self.properties = dict() if properties is None else properties
89
self.properties = dict()
89
90
self.property_changed_match = (
90
91
self.proxy.connect_to_signal("PropertyChanged",
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self._property_changed,
92
self.property_changed,
95
if properties is None:
96
self.properties.update(
97
self.proxy.GetAll(client_interface,
99
= dbus.PROPERTIES_IFACE))
101
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)
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__(
107
104
def property_changed(self, property=None, value=None):
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105
"""This is called whenever we get a PropertyChanged signal
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self.logger = logger
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132
self._update_timer_callback_tag = None
133
self._update_timer_callback_lock = 0
134
self.last_checker_failed = False
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136
# The widget shown normally
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self._text_widget = urwid.Text("")
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# The widget shown when we have focus
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self._focus_text_widget = urwid.Text("")
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super(MandosClientWidget, self).__init__(**kwargs)
140
super(MandosClientWidget, self).__init__(
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update_hook=update_hook, delete_hook=delete_hook,
141
144
self.opened = False
146
last_checked_ok = isoformat_to_datetime(self.properties
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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:
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self.using_timer(True)
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if self.need_approval:
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self.using_timer(True)
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164
self.match_objects = (
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165
self.proxy.connect_to_signal("CheckerCompleted",
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166
self.checker_completed,
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183
client_interface,
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byte_arrays=True))
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#self.logger('Created client {0}'
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# .format(self.properties["Name"]))
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#self.logger('Created client %s' % (self.properties["Name"]))
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def property_changed(self, property=None, value=None):
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super(self, MandosClientWidget).property_changed(property,
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if property == "ApprovalPending":
191
using_timer(bool(value))
167
193
def using_timer(self, flag):
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"""Call this method with True or False when timer should be
169
195
activated or deactivated.
171
if flag and self._update_timer_callback_tag is None:
172
# Will update the shown timer value every second
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
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self._update_timer_callback_tag = (gobject.timeout_add
175
205
self.update_timer))
176
elif not (flag or self._update_timer_callback_tag is None):
206
elif old and self._update_timer_callback_lock == 0:
177
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gobject.source_remove(self._update_timer_callback_tag)
178
208
self._update_timer_callback_tag = None
180
210
def checker_completed(self, exitstatus, condition, command):
181
211
if exitstatus == 0:
212
if self.last_checker_failed:
213
self.last_checker_failed = False
214
self.using_timer(False)
215
#self.logger('Checker for client %s (command "%s")'
217
# % (self.properties["Name"], command))
221
if not self.last_checker_failed:
222
self.last_checker_failed = True
223
self.using_timer(True)
185
224
if os.WIFEXITED(condition):
186
self.logger('Checker for client {0} (command "{1}")'
187
' failed with exit code {2}'
188
.format(self.properties["Name"], command,
189
os.WEXITSTATUS(condition)))
225
self.logger('Checker for client %s (command "%s")'
226
' failed with exit code %s'
227
% (self.properties["Name"], command,
228
os.WEXITSTATUS(condition)))
190
229
elif os.WIFSIGNALED(condition):
191
self.logger('Checker for client {0} (command "{1}") was'
192
' killed by signal {2}'
193
.format(self.properties["Name"], command,
194
os.WTERMSIG(condition)))
230
self.logger('Checker for client %s (command "%s")'
231
' was killed by signal %s'
232
% (self.properties["Name"], command,
233
os.WTERMSIG(condition)))
195
234
elif os.WCOREDUMP(condition):
196
self.logger('Checker for client {0} (command "{1}")'
235
self.logger('Checker for client %s (command "%s")'
198
.format(self.properties["Name"], command))
237
% (self.properties["Name"], command))
200
self.logger('Checker for client {0} completed'
202
.format(self.properties["Name"]))
239
self.logger('Checker for client %s completed'
205
243
def checker_started(self, command):
206
"""Server signals that a checker started. This could be useful
207
to log in the future. """
208
#self.logger('Client {0} started checker "{1}"'
209
# .format(self.properties["Name"],
244
#self.logger('Client %s started checker "%s"'
245
# % (self.properties["Name"], unicode(command)))
213
248
def got_secret(self):
214
self.logger('Client {0} received its secret'
215
.format(self.properties["Name"]))
249
self.last_checker_failed = False
250
self.logger('Client %s received its secret'
251
% self.properties["Name"])
217
253
def need_approval(self, timeout, default):
219
message = 'Client {0} needs approval within {1} seconds'
255
message = 'Client %s needs approval within %s seconds'
221
message = 'Client {0} will get its secret in {1} seconds'
222
self.logger(message.format(self.properties["Name"],
257
message = 'Client %s will get its secret in %s seconds'
259
% (self.properties["Name"], timeout/1000))
260
self.using_timer(True)
225
262
def rejected(self, reason):
226
self.logger('Client {0} was rejected; reason: {1}'
227
.format(self.properties["Name"], reason))
263
self.logger('Client %s was rejected; reason: %s'
264
% (self.properties["Name"], reason))
229
266
def selectable(self):
230
267
"""Make this a "selectable" widget.
267
304
last_approval_request = isoformat_to_datetime(
268
305
self.properties["LastApprovalRequest"])
269
306
if last_approval_request is not None:
270
timer = max(timeout - (datetime.datetime.utcnow()
271
- last_approval_request),
272
datetime.timedelta())
307
timer = timeout - (datetime.datetime.utcnow()
308
- last_approval_request)
274
310
timer = datetime.timedelta()
275
311
if self.properties["ApprovedByDefault"]:
276
message = "Approval in {0}. (d)eny?"
278
message = "Denial in {0}. (a)pprove?"
279
message = message.format(str(timer).rsplit(".", 1)[0])
280
self.using_timer(True)
281
elif self.properties["LastCheckerStatus"] != 0:
282
# When checker has failed, show timer until client expires
283
expires = self.properties["Expires"]
285
timer = datetime.timedelta(0)
287
expires = (datetime.datetime.strptime
288
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
289
timer = max(expires - datetime.datetime.utcnow(),
290
datetime.timedelta())
312
message = "Approval in %s. (d)eny?"
314
message = "Denial in %s. (a)pprove?"
315
message = message % unicode(timer).rsplit(".", 1)[0]
316
elif self.last_checker_failed:
317
timeout = datetime.timedelta(milliseconds
320
last_ok = isoformat_to_datetime(
321
max((self.properties["LastCheckedOK"]
322
or self.properties["Created"]),
323
self.properties["LastEnabled"]))
324
timer = timeout - (datetime.datetime.utcnow() - last_ok)
291
325
message = ('A checker has failed! Time until client'
292
' gets disabled: {0}'
293
.format(str(timer).rsplit(".", 1)[0]))
294
self.using_timer(True)
327
% unicode(timer).rsplit(".", 1)[0])
296
329
message = "enabled"
297
self.using_timer(False)
298
self._text = "{0}{1}".format(base, message)
330
self._text = "%s%s" % (base, message)
300
332
if not urwid.supports_unicode():
301
333
self._text = self._text.encode("ascii", "replace")
302
334
textlist = [("normal", self._text)]
379
def property_changed(self, property=None, **kwargs):
410
def property_changed(self, property=None, value=None,
380
412
"""Call self.update() if old value is not new value.
381
413
This overrides the method from MandosClientPropertyCache"""
382
property_name = str(property)
414
property_name = unicode(property)
383
415
old_value = self.properties.get(property_name)
384
416
super(MandosClientWidget, self).property_changed(
385
property=property, **kwargs)
417
property=property, value=value, *args, **kwargs)
386
418
if self.properties.get(property_name) != old_value:
413
445
"default", "default", None),
415
"bold", "default", "bold"),
447
"default", "default", "bold"),
416
448
("underline-blink",
417
"underline,blink", "default", "underline,blink"),
449
"default", "default", "underline"),
419
"standout", "default", "standout"),
451
"default", "default", "standout"),
420
452
("bold-underline-blink",
421
"bold,underline,blink", "default", "bold,underline,blink"),
453
"default", "default", ("bold", "underline")),
422
454
("bold-standout",
423
"bold,standout", "default", "bold,standout"),
455
"default", "default", ("bold", "standout")),
424
456
("underline-blink-standout",
425
"underline,blink,standout", "default",
426
"underline,blink,standout"),
457
"default", "default", ("underline", "standout")),
427
458
("bold-underline-blink-standout",
428
"bold,underline,blink,standout", "default",
429
"bold,underline,blink,standout"),
459
"default", "default", ("bold", "underline",
432
463
if urwid.supports_unicode():
465
496
self.busname = domain + '.Mandos'
466
497
self.main_loop = gobject.MainLoop()
498
self.bus = dbus.SystemBus()
499
mandos_dbus_objc = self.bus.get_object(
500
self.busname, "/", follow_name_owner_changes=True)
501
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
505
mandos_clients = (self.mandos_serv
506
.GetAllClientsWithProperties())
507
except dbus.exceptions.DBusException:
508
mandos_clients = dbus.Dictionary()
511
.connect_to_signal("ClientRemoved",
512
self.find_and_remove_client,
513
dbus_interface=server_interface,
516
.connect_to_signal("ClientAdded",
518
dbus_interface=server_interface,
521
.connect_to_signal("ClientNotFound",
522
self.client_not_found,
523
dbus_interface=server_interface,
525
for path, client in mandos_clients.iteritems():
526
client_proxy_object = self.bus.get_object(self.busname,
528
self.add_client(MandosClientWidget(server_proxy_object
531
=client_proxy_object,
468
541
def client_not_found(self, fingerprint, address):
469
self.log_message("Client with address {0} and fingerprint"
470
" {1} could not be found"
471
.format(address, fingerprint))
542
self.log_message(("Client with address %s and fingerprint %s"
543
" could not be found" % (address,
473
546
def rebuild(self):
474
547
"""This rebuilds the User Interface.
571
649
"""Start the main loop and exit when it's done."""
572
self.bus = dbus.SystemBus()
573
mandos_dbus_objc = self.bus.get_object(
574
self.busname, "/", follow_name_owner_changes=True)
575
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
579
mandos_clients = (self.mandos_serv
580
.GetAllClientsWithProperties())
581
if not mandos_clients:
582
self.log_message_raw(("bold", "Note: Server has no clients."))
583
except dbus.exceptions.DBusException:
584
self.log_message_raw(("bold", "Note: No Mandos server running."))
585
mandos_clients = dbus.Dictionary()
588
.connect_to_signal("ClientRemoved",
589
self.find_and_remove_client,
590
dbus_interface=server_interface,
593
.connect_to_signal("ClientAdded",
595
dbus_interface=server_interface,
598
.connect_to_signal("ClientNotFound",
599
self.client_not_found,
600
dbus_interface=server_interface,
602
for path, client in mandos_clients.items():
603
client_proxy_object = self.bus.get_object(self.busname,
605
self.add_client(MandosClientWidget(server_proxy_object
608
=client_proxy_object,
619
651
self._input_callback_tag = (gobject.io_add_watch
620
652
(sys.stdin.fileno(),