41
37
from dbus.mainloop.glib import DBusGMainLoop
42
from gi.repository import GLib
48
if sys.version_info.major == 2:
51
46
locale.setlocale(locale.LC_ALL, '')
54
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
56
51
# Some useful constants
57
domain = 'se.recompile'
52
domain = 'se.bsnet.fukt'
58
53
server_interface = domain + '.Mandos'
59
54
client_interface = domain + '.Mandos.Client'
63
dbus.OBJECT_MANAGER_IFACE
64
except AttributeError:
65
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
57
# 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)
67
65
def isoformat_to_datetime(iso):
68
66
"Parse an ISO 8601 date string to a datetime.datetime()"
85
83
properties and calls a hook function when any of them are
88
def __init__(self, proxy_object=None, properties=None, **kwargs):
86
def __init__(self, proxy_object=None, *args, **kwargs):
89
87
self.proxy = proxy_object # Mandos Client proxy object
90
self.properties = dict() if properties is None else properties
89
self.properties = dict()
91
90
self.property_changed_match = (
92
self.proxy.connect_to_signal("PropertiesChanged",
93
self.properties_changed,
94
dbus.PROPERTIES_IFACE,
91
self.proxy.connect_to_signal("PropertyChanged",
92
self.property_changed,
97
if properties is None:
98
self.properties.update(
99
self.proxy.GetAll(client_interface,
101
= dbus.PROPERTIES_IFACE))
103
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__(
105
def properties_changed(self, interface, properties, invalidated):
106
"""This is called whenever we get a PropertiesChanged signal
107
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.
109
108
# Update properties dict with new value
110
if interface == client_interface:
111
self.properties.update(properties)
109
self.properties[property] = value
111
def delete(self, *args, **kwargs):
114
112
self.property_changed_match.remove()
113
super(MandosClientPropertyCache, self).__init__(
117
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
130
130
self.logger = logger
132
132
self._update_timer_callback_tag = None
133
self._update_timer_callback_lock = 0
134
self.last_checker_failed = False
134
136
# The widget shown normally
135
137
self._text_widget = urwid.Text("")
136
138
# The widget shown when we have focus
137
139
self._focus_text_widget = urwid.Text("")
138
super(MandosClientWidget, self).__init__(**kwargs)
140
super(MandosClientWidget, self).__init__(
141
update_hook=update_hook, delete_hook=delete_hook,
140
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)
142
164
self.match_objects = (
143
165
self.proxy.connect_to_signal("CheckerCompleted",
144
166
self.checker_completed,
161
183
client_interface,
162
184
byte_arrays=True))
163
self.logger('Created client {}'
164
.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))
166
193
def using_timer(self, flag):
167
194
"""Call this method with True or False when timer should be
168
195
activated or deactivated.
170
if flag and self._update_timer_callback_tag is None:
171
# Will update the shown timer value every second
172
self._update_timer_callback_tag = (GLib.timeout_add
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:
203
self._update_timer_callback_tag = (gobject.timeout_add
174
205
self.update_timer))
175
elif not (flag or self._update_timer_callback_tag is None):
176
GLib.source_remove(self._update_timer_callback_tag)
206
elif old and self._update_timer_callback_lock == 0:
207
gobject.source_remove(self._update_timer_callback_tag)
177
208
self._update_timer_callback_tag = None
179
210
def checker_completed(self, exitstatus, condition, command):
180
211
if exitstatus == 0:
181
self.logger('Checker for client {} (command "{}")'
182
' succeeded'.format(self.properties["Name"],
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)
187
224
if os.WIFEXITED(condition):
188
self.logger('Checker for client {} (command "{}") failed'
190
.format(self.properties["Name"], command,
191
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)))
192
229
elif os.WIFSIGNALED(condition):
193
self.logger('Checker for client {} (command "{}") was'
194
' killed by signal {}'
195
.format(self.properties["Name"], command,
196
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)))
234
elif os.WCOREDUMP(condition):
235
self.logger('Checker for client %s (command "%s")'
237
% (self.properties["Name"], command))
239
self.logger('Checker for client %s completed'
199
243
def checker_started(self, command):
200
"""Server signals that a checker started."""
201
self.logger('Client {} started checker "{}"'
202
.format(self.properties["Name"],
244
#self.logger('Client %s started checker "%s"'
245
# % (self.properties["Name"], unicode(command)))
205
248
def got_secret(self):
206
self.logger('Client {} received its secret'
207
.format(self.properties["Name"]))
249
self.last_checker_failed = False
250
self.logger('Client %s received its secret'
251
% self.properties["Name"])
209
253
def need_approval(self, timeout, default):
211
message = 'Client {} needs approval within {} seconds'
255
message = 'Client %s needs approval within %s seconds'
213
message = 'Client {} will get its secret in {} seconds'
214
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)
217
262
def rejected(self, reason):
218
self.logger('Client {} was rejected; reason: {}'
219
.format(self.properties["Name"], reason))
263
self.logger('Client %s was rejected; reason: %s'
264
% (self.properties["Name"], reason))
221
266
def selectable(self):
222
267
"""Make this a "selectable" widget.
259
304
last_approval_request = isoformat_to_datetime(
260
305
self.properties["LastApprovalRequest"])
261
306
if last_approval_request is not None:
262
timer = max(timeout - (datetime.datetime.utcnow()
263
- last_approval_request),
264
datetime.timedelta())
307
timer = timeout - (datetime.datetime.utcnow()
308
- last_approval_request)
266
310
timer = datetime.timedelta()
267
311
if self.properties["ApprovedByDefault"]:
268
message = "Approval in {}. (d)eny?"
270
message = "Denial in {}. (a)pprove?"
271
message = message.format(str(timer).rsplit(".", 1)[0])
272
self.using_timer(True)
273
elif self.properties["LastCheckerStatus"] != 0:
274
# When checker has failed, show timer until client expires
275
expires = self.properties["Expires"]
277
timer = datetime.timedelta(0)
279
expires = (datetime.datetime.strptime
280
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
281
timer = max(expires - datetime.datetime.utcnow(),
282
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)
283
325
message = ('A checker has failed! Time until client'
285
.format(str(timer).rsplit(".", 1)[0]))
286
self.using_timer(True)
327
% unicode(timer).rsplit(".", 1)[0])
288
329
message = "enabled"
289
self.using_timer(False)
290
self._text = "{}{}".format(base, message)
330
self._text = "%s%s" % (base, message)
292
332
if not urwid.supports_unicode():
293
333
self._text = self._text.encode("ascii", "replace")
294
334
textlist = [("normal", self._text)]
306
346
self.update_hook()
308
348
def update_timer(self):
309
"""called by GLib. Will indefinitely loop until
310
GLib.source_remove() on tag is called
313
351
return True # Keep calling this
315
def delete(self, **kwargs):
353
def delete(self, *args, **kwargs):
316
354
if self._update_timer_callback_tag is not None:
317
GLib.source_remove(self._update_timer_callback_tag)
355
gobject.source_remove(self._update_timer_callback_tag)
318
356
self._update_timer_callback_tag = None
319
357
for match in self.match_objects:
321
359
self.match_objects = ()
322
360
if self.delete_hook is not None:
323
361
self.delete_hook(self)
324
return super(MandosClientWidget, self).delete(**kwargs)
362
return super(MandosClientWidget, self).delete(*args, **kwargs)
326
364
def render(self, maxcolrow, focus=False):
327
365
"""Render differently if we have focus.
334
372
This overrides the method from urwid.FlowWidget"""
336
self.proxy.Set(client_interface, "Enabled",
337
dbus.Boolean(True), ignore_reply = True,
338
dbus_interface = dbus.PROPERTIES_IFACE)
374
self.proxy.Enable(dbus_interface = client_interface,
340
self.proxy.Set(client_interface, "Enabled", False,
342
dbus_interface = dbus.PROPERTIES_IFACE)
377
self.proxy.Disable(dbus_interface = client_interface,
344
380
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
381
dbus_interface = client_interface,
376
def properties_changed(self, interface, properties, invalidated):
377
"""Call self.update() if any properties changed.
410
def property_changed(self, property=None, value=None,
412
"""Call self.update() if old value is not new value.
378
413
This overrides the method from MandosClientPropertyCache"""
379
old_values = { key: self.properties.get(key)
380
for key in properties.keys() }
381
super(MandosClientWidget, self).properties_changed(
382
interface, properties, invalidated)
383
if any(old_values[key] != self.properties.get(key)
384
for key in old_values):
414
property_name = unicode(property)
415
old_value = self.properties.get(property_name)
416
super(MandosClientWidget, self).property_changed(
417
property=property, value=value, *args, **kwargs)
418
if self.properties.get(property_name) != old_value:
411
445
"default", "default", None),
413
"bold", "default", "bold"),
447
"default", "default", "bold"),
414
448
("underline-blink",
415
"underline,blink", "default", "underline,blink"),
449
"default", "default", "underline"),
417
"standout", "default", "standout"),
451
"default", "default", "standout"),
418
452
("bold-underline-blink",
419
"bold,underline,blink", "default", "bold,underline,blink"),
453
"default", "default", ("bold", "underline")),
420
454
("bold-standout",
421
"bold,standout", "default", "bold,standout"),
455
"default", "default", ("bold", "standout")),
422
456
("underline-blink-standout",
423
"underline,blink,standout", "default",
424
"underline,blink,standout"),
457
"default", "default", ("underline", "standout")),
425
458
("bold-underline-blink-standout",
426
"bold,underline,blink,standout", "default",
427
"bold,underline,blink,standout"),
459
"default", "default", ("bold", "underline",
430
463
if urwid.supports_unicode():
463
494
"q: Quit ?: Help"))
465
496
self.busname = domain + '.Mandos'
466
self.main_loop = GLib.MainLoop()
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 {} and fingerprint {}"
470
" 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.
485
558
if self.log_visible:
486
559
self.uilist.append(self.logbox)
487
561
self.topwidget = urwid.Pile(self.uilist)
489
def log_message(self, message, level=1):
490
"""Log message formatted with timestamp"""
491
if level < self.log_level:
563
def log_message(self, message):
493
564
timestamp = datetime.datetime.now().isoformat()
494
self.log_message_raw("{}: {}".format(timestamp, message),
565
self.log_message_raw(timestamp + ": " + message)
497
def log_message_raw(self, markup, level=1):
567
def log_message_raw(self, markup):
498
568
"""Add a log message to the log buffer."""
499
if level < self.log_level:
501
569
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
570
if (self.max_log_length
503
571
and len(self.log) > self.max_log_length):
522
590
self.log_wrap = "clip"
523
591
for textwidget in self.log:
524
592
textwidget.set_wrap_mode(self.log_wrap)
525
self.log_message("Wrap mode: {}".format(self.log_wrap),
593
#self.log_message("Wrap mode: " + self.log_wrap)
528
def find_and_remove_client(self, path, interfaces):
595
def find_and_remove_client(self, path, name):
529
596
"""Find a client by its object path and remove it.
531
This is connected to the InterfacesRemoved signal from the
598
This is connected to the ClientRemoved signal from the
532
599
Mandos server object."""
533
if client_interface not in interfaces:
534
# Not a Mandos client object; ignore
537
601
client = self.clients_dict[path]
540
self.log_message("Unknown client {!r} removed"
604
self.log_message("Unknown client %r (%r) removed", name,
545
def add_new_client(self, path, ifs_and_props):
546
"""Find a client by its object path and remove it.
548
This is connected to the InterfacesAdded signal from the
549
Mandos server object.
551
if client_interface not in ifs_and_props:
552
# Not a Mandos client object; ignore
609
def add_new_client(self, path):
554
610
client_proxy_object = self.bus.get_object(self.busname, path)
555
611
self.add_client(MandosClientWidget(server_proxy_object
556
612
=self.mandos_serv,
591
649
"""Start the main loop and exit when it's done."""
592
self.bus = dbus.SystemBus()
593
mandos_dbus_objc = self.bus.get_object(
594
self.busname, "/", follow_name_owner_changes=True)
595
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
599
mandos_clients = (self.mandos_serv
600
.GetAllClientsWithProperties())
601
if not mandos_clients:
602
self.log_message_raw(("bold", "Note: Server has no clients."))
603
except dbus.exceptions.DBusException:
604
self.log_message_raw(("bold", "Note: No Mandos server running."))
605
mandos_clients = dbus.Dictionary()
608
.connect_to_signal("InterfacesRemoved",
609
self.find_and_remove_client,
611
= dbus.OBJECT_MANAGER_IFACE,
614
.connect_to_signal("InterfacesAdded",
617
= dbus.OBJECT_MANAGER_IFACE,
620
.connect_to_signal("ClientNotFound",
621
self.client_not_found,
622
dbus_interface=server_interface,
624
for path, client in mandos_clients.items():
625
client_proxy_object = self.bus.get_object(self.busname,
627
self.add_client(MandosClientWidget(server_proxy_object
630
=client_proxy_object,
641
self._input_callback_tag = (GLib.io_add_watch
651
self._input_callback_tag = (gobject.io_add_watch
642
652
(sys.stdin.fileno(),
644
654
self.process_input))
645
655
self.main_loop.run()
646
656
# Main loop has finished, we should close everything now
647
GLib.source_remove(self._input_callback_tag)
657
gobject.source_remove(self._input_callback_tag)
648
658
self.screen.stop()