37
41
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GObject as gobject
51
if sys.version_info.major == 2:
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54
locale.setlocale(locale.LC_ALL, '')
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57
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
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59
# Some useful constants
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domain = 'se.bsnet.fukt'
60
domain = 'se.recompile'
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server_interface = domain + '.Mandos'
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client_interface = domain + '.Mandos.Client'
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# Always run in monochrome mode
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urwid.curses_display.curses.has_colors = lambda : False
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# Urwid doesn't support blinking, but we want it. Since we have no
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# use for underline on its own, we make underline also always blink.
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urwid.curses_display.curses.A_UNDERLINE |= (
63
urwid.curses_display.curses.A_BLINK)
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65
def isoformat_to_datetime(iso):
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66
"Parse an ISO 8601 date string to a datetime.datetime()"
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83
properties and calls a hook function when any of them are
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def __init__(self, proxy_object=None, *args, **kwargs):
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def __init__(self, proxy_object=None, properties=None, **kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
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self.properties = dict()
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self.properties = dict() if properties is None else properties
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self.property_changed_match = (
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self.proxy.connect_to_signal("PropertyChanged",
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self.property_changed,
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self._property_changed,
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self.properties.update(
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self.proxy.GetAll(client_interface,
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dbus_interface = dbus.PROPERTIES_IFACE))
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#XXX This breaks good super behaviour
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# super(MandosClientPropertyCache, self).__init__(
95
if properties is None:
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self.properties.update(
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self.proxy.GetAll(client_interface,
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= dbus.PROPERTIES_IFACE))
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super(MandosClientPropertyCache, self).__init__(**kwargs)
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def _property_changed(self, property, value):
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"""Helper which takes positional arguments"""
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return self.property_changed(property=property, value=value)
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def property_changed(self, property=None, value=None):
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"""This is called whenever we get a PropertyChanged signal
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self.logger = logger
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self._update_timer_callback_tag = None
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self._update_timer_callback_lock = 0
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self.last_checker_failed = False
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# 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__(
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update_hook=update_hook, delete_hook=delete_hook,
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super(MandosClientWidget, self).__init__(**kwargs)
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self.opened = False
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last_checked_ok = isoformat_to_datetime(self.properties
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if last_checked_ok is None:
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self.last_checker_failed = True
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self.last_checker_failed = ((datetime.datetime.utcnow()
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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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self.match_objects = (
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self.proxy.connect_to_signal("CheckerCompleted",
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145
self.checker_completed,
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client_interface,
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byte_arrays=True))
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#self.logger('Created client %s' % (self.properties["Name"]))
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self.logger('Created client {}'
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.format(self.properties["Name"]), level=0)
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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":
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using_timer(bool(value))
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def using_timer(self, flag):
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"""Call this method with True or False when timer should be
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activated or deactivated.
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old = self._update_timer_callback_lock
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self._update_timer_callback_lock += 1
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self._update_timer_callback_lock -= 1
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if old == 0 and self._update_timer_callback_lock:
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if flag and self._update_timer_callback_tag is None:
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# Will update the shown timer value every second
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self._update_timer_callback_tag = (gobject.timeout_add
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self.update_timer))
207
elif old and self._update_timer_callback_lock == 0:
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elif not (flag or self._update_timer_callback_tag is None):
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gobject.source_remove(self._update_timer_callback_tag)
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self._update_timer_callback_tag = None
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def checker_completed(self, exitstatus, condition, command):
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if exitstatus == 0:
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if self.last_checker_failed:
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self.last_checker_failed = False
215
self.using_timer(False)
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#self.logger('Checker for client %s (command "%s")'
218
# % (self.properties["Name"], command))
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self.logger('Checker for client {} (command "{}")'
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' succeeded'.format(self.properties["Name"],
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if not self.last_checker_failed:
223
self.last_checker_failed = True
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self.using_timer(True)
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188
if os.WIFEXITED(condition):
226
self.logger('Checker for client %s (command "%s")'
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' failed with exit code %s'
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% (self.properties["Name"], command,
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os.WEXITSTATUS(condition)))
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self.logger('Checker for client {} (command "{}") failed'
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.format(self.properties["Name"], command,
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os.WEXITSTATUS(condition)))
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elif os.WIFSIGNALED(condition):
231
self.logger('Checker for client %s (command "%s")'
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' was killed by signal %s'
233
% (self.properties["Name"], command,
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os.WTERMSIG(condition)))
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self.logger('Checker for client {} (command "{}") was'
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' killed by signal {}'
196
.format(self.properties["Name"], command,
197
os.WTERMSIG(condition)))
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elif os.WCOREDUMP(condition):
236
self.logger('Checker for client %s (command "%s")'
238
% (self.properties["Name"], command))
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self.logger('Checker for client {} (command "{}") dumped'
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' core'.format(self.properties["Name"],
240
self.logger('Checker for client %s completed'
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self.logger('Checker for client {} completed'
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.format(self.properties["Name"]))
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def checker_started(self, command):
245
#self.logger('Client %s started checker "%s"'
246
# % (self.properties["Name"], unicode(command)))
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"""Server signals that a checker started."""
210
self.logger('Client {} started checker "{}"'
211
.format(self.properties["Name"],
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214
def got_secret(self):
250
self.last_checker_failed = False
251
self.logger('Client %s received its secret'
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% self.properties["Name"])
215
self.logger('Client {} received its secret'
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.format(self.properties["Name"]))
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def need_approval(self, timeout, default):
256
message = 'Client %s needs approval within %s seconds'
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message = 'Client {} needs approval within {} seconds'
258
message = 'Client %s will get its secret in %s seconds'
260
% (self.properties["Name"], timeout/1000))
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self.using_timer(True)
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message = 'Client {} will get its secret in {} seconds'
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self.logger(message.format(self.properties["Name"],
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def rejected(self, reason):
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self.logger('Client %s was rejected; reason: %s'
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% (self.properties["Name"], reason))
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self.logger('Client {} was rejected; reason: {}'
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.format(self.properties["Name"], reason))
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def selectable(self):
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"""Make this a "selectable" widget.
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last_approval_request = isoformat_to_datetime(
306
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self.properties["LastApprovalRequest"])
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if last_approval_request is not None:
308
timer = timeout - (datetime.datetime.utcnow()
309
- last_approval_request)
271
timer = max(timeout - (datetime.datetime.utcnow()
272
- last_approval_request),
273
datetime.timedelta())
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timer = datetime.timedelta()
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if self.properties["ApprovedByDefault"]:
313
message = "Approval in %s. (d)eny?"
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message = "Approval in {}. (d)eny?"
315
message = "Denial in %s. (a)pprove?"
316
message = message % unicode(timer).rsplit(".", 1)[0]
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elif self.last_checker_failed:
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# When checker has failed, print a timer until client expires
279
message = "Denial in {}. (a)pprove?"
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message = message.format(str(timer).rsplit(".", 1)[0])
281
self.using_timer(True)
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elif self.properties["LastCheckerStatus"] != 0:
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# When checker has failed, show timer until client expires
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expires = self.properties["Expires"]
320
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if expires == "":
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timer = datetime.timedelta(0)
323
expires = datetime.datetime.strptime(expires,
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'%Y-%m-%dT%H:%M:%S.%f')
325
timer = expires - datetime.datetime.utcnow()
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expires = (datetime.datetime.strptime
289
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
timer = max(expires - datetime.datetime.utcnow(),
291
datetime.timedelta())
326
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message = ('A checker has failed! Time until client'
328
% unicode(timer).rsplit(".", 1)[0])
294
.format(str(timer).rsplit(".", 1)[0]))
295
self.using_timer(True)
330
297
message = "enabled"
331
self._text = "%s%s" % (base, message)
298
self.using_timer(False)
299
self._text = "{}{}".format(base, message)
333
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if not urwid.supports_unicode():
334
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self._text = self._text.encode("ascii", "replace")
335
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textlist = [("normal", self._text)]
412
def property_changed(self, property=None, value=None,
380
def property_changed(self, property=None, **kwargs):
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"""Call self.update() if old value is not new value.
415
382
This overrides the method from MandosClientPropertyCache"""
416
property_name = unicode(property)
383
property_name = str(property)
417
384
old_value = self.properties.get(property_name)
418
385
super(MandosClientWidget, self).property_changed(
419
property=property, value=value, *args, **kwargs)
386
property=property, **kwargs)
420
387
if self.properties.get(property_name) != old_value:
447
414
"default", "default", None),
449
"default", "default", "bold"),
416
"bold", "default", "bold"),
450
417
("underline-blink",
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"default", "default", "underline"),
418
"underline,blink", "default", "underline,blink"),
453
"default", "default", "standout"),
420
"standout", "default", "standout"),
454
421
("bold-underline-blink",
455
"default", "default", ("bold", "underline")),
422
"bold,underline,blink", "default", "bold,underline,blink"),
456
423
("bold-standout",
457
"default", "default", ("bold", "standout")),
424
"bold,standout", "default", "bold,standout"),
458
425
("underline-blink-standout",
459
"default", "default", ("underline", "standout")),
426
"underline,blink,standout", "default",
427
"underline,blink,standout"),
460
428
("bold-underline-blink-standout",
461
"default", "default", ("bold", "underline",
429
"bold,underline,blink,standout", "default",
430
"bold,underline,blink,standout"),
465
433
if urwid.supports_unicode():
498
468
self.busname = domain + '.Mandos'
499
469
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,
543
471
def client_not_found(self, fingerprint, address):
544
self.log_message(("Client with address %s and fingerprint %s"
545
" could not be found" % (address,
472
self.log_message("Client with address {} and fingerprint {}"
473
" could not be found"
474
.format(address, fingerprint))
548
476
def rebuild(self):
549
477
"""This rebuilds the User Interface.
560
488
if self.log_visible:
561
489
self.uilist.append(self.logbox)
563
490
self.topwidget = urwid.Pile(self.uilist)
565
def log_message(self, message):
492
def log_message(self, message, level=1):
493
"""Log message formatted with timestamp"""
494
if level < self.log_level:
566
496
timestamp = datetime.datetime.now().isoformat()
567
self.log_message_raw(timestamp + ": " + message)
497
self.log_message_raw("{}: {}".format(timestamp, message),
569
def log_message_raw(self, markup):
500
def log_message_raw(self, markup, level=1):
570
501
"""Add a log message to the log buffer."""
502
if level < self.log_level:
571
504
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
572
505
if (self.max_log_length
573
506
and len(self.log) > self.max_log_length):
651
580
"""Start the main loop and exit when it's done."""
581
self.bus = dbus.SystemBus()
582
mandos_dbus_objc = self.bus.get_object(
583
self.busname, "/", follow_name_owner_changes=True)
584
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
588
mandos_clients = (self.mandos_serv
589
.GetAllClientsWithProperties())
590
if not mandos_clients:
591
self.log_message_raw(("bold", "Note: Server has no clients."))
592
except dbus.exceptions.DBusException:
593
self.log_message_raw(("bold", "Note: No Mandos server running."))
594
mandos_clients = dbus.Dictionary()
597
.connect_to_signal("ClientRemoved",
598
self.find_and_remove_client,
599
dbus_interface=server_interface,
602
.connect_to_signal("ClientAdded",
604
dbus_interface=server_interface,
607
.connect_to_signal("ClientNotFound",
608
self.client_not_found,
609
dbus_interface=server_interface,
611
for path, client in mandos_clients.items():
612
client_proxy_object = self.bus.get_object(self.busname,
614
self.add_client(MandosClientWidget(server_proxy_object
617
=client_proxy_object,
653
628
self._input_callback_tag = (gobject.io_add_watch
654
629
(sys.stdin.fileno(),