37
41
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GObject as gobject
51
if sys.version_info.major == 2:
46
54
locale.setlocale(locale.LC_ALL, '')
49
57
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
51
59
# Some useful constants
52
domain = 'se.bsnet.fukt'
60
domain = 'se.recompile'
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61
server_interface = domain + '.Mandos'
54
62
client_interface = domain + '.Mandos.Client'
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)
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, *args, **kwargs):
86
def __init__(self, proxy_object=None, properties=None, **kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
89
self.properties = dict()
88
self.properties = dict() if properties is None else properties
90
89
self.property_changed_match = (
91
self.proxy.connect_to_signal("PropertyChanged",
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self.property_changed,
90
self.proxy.connect_to_signal("PropertiesChanged",
91
self.properties_changed,
92
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__(
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)
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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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It updates the changed property in the "properties" dict.
103
def properties_changed(self, interface, properties, invalidated):
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"""This is called whenever we get a PropertiesChanged signal
105
It updates the changed properties in the "properties" dict.
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# Update properties dict with new value
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self.properties[property] = value
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self.properties.update(properties)
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def delete(self, *args, **kwargs):
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111
self.property_changed_match.remove()
113
super(MandosClientPropertyCache, self).__init__(
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114
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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127
self.logger = logger
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129
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
139
134
self._focus_text_widget = urwid.Text("")
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super(MandosClientWidget, self).__init__(
141
update_hook=update_hook, delete_hook=delete_hook,
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super(MandosClientWidget, self).__init__(**kwargs)
144
137
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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139
self.match_objects = (
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140
self.proxy.connect_to_signal("CheckerCompleted",
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141
self.checker_completed,
183
158
client_interface,
184
159
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)
187
def property_changed(self, property=None, value=None):
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super(self, MandosClientWidget).property_changed(property,
190
if property == "ApprovalPending":
191
using_timer(bool(value))
193
163
def using_timer(self, flag):
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"""Call this method with True or False when timer should be
195
165
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:
167
if flag and self._update_timer_callback_tag is None:
168
# Will update the shown timer value every second
203
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self._update_timer_callback_tag = (gobject.timeout_add
205
171
self.update_timer))
206
elif old and self._update_timer_callback_lock == 0:
172
elif not (flag or self._update_timer_callback_tag is None):
207
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gobject.source_remove(self._update_timer_callback_tag)
208
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self._update_timer_callback_tag = None
210
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def checker_completed(self, exitstatus, condition, command):
211
177
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))
178
self.logger('Checker for client {} (command "{}")'
179
' succeeded'.format(self.properties["Name"],
221
if not self.last_checker_failed:
222
self.last_checker_failed = True
223
self.using_timer(True)
224
184
if os.WIFEXITED(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)))
185
self.logger('Checker for client {} (command "{}") failed'
187
.format(self.properties["Name"], command,
188
os.WEXITSTATUS(condition)))
229
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elif os.WIFSIGNALED(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)))
190
self.logger('Checker for client {} (command "{}") was'
191
' killed by signal {}'
192
.format(self.properties["Name"], command,
193
os.WTERMSIG(condition)))
234
194
elif os.WCOREDUMP(condition):
235
self.logger('Checker for client %s (command "%s")'
237
% (self.properties["Name"], command))
195
self.logger('Checker for client {} (command "{}") dumped'
196
' core'.format(self.properties["Name"],
239
self.logger('Checker for client %s completed'
199
self.logger('Checker for client {} completed'
201
.format(self.properties["Name"]))
243
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def checker_started(self, command):
244
#self.logger('Client %s started checker "%s"'
245
# % (self.properties["Name"], unicode(command)))
205
"""Server signals that a checker started."""
206
self.logger('Client {} started checker "{}"'
207
.format(self.properties["Name"],
248
210
def got_secret(self):
249
self.last_checker_failed = False
250
self.logger('Client %s received its secret'
251
% self.properties["Name"])
211
self.logger('Client {} received its secret'
212
.format(self.properties["Name"]))
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214
def need_approval(self, timeout, default):
255
message = 'Client %s needs approval within %s seconds'
216
message = 'Client {} needs approval within {} seconds'
257
message = 'Client %s will get its secret in %s seconds'
259
% (self.properties["Name"], timeout/1000))
260
self.using_timer(True)
218
message = 'Client {} will get its secret in {} seconds'
219
self.logger(message.format(self.properties["Name"],
262
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def rejected(self, reason):
263
self.logger('Client %s was rejected; reason: %s'
264
% (self.properties["Name"], reason))
223
self.logger('Client {} was rejected; reason: {}'
224
.format(self.properties["Name"], reason))
266
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def selectable(self):
267
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"""Make this a "selectable" widget.
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last_approval_request = isoformat_to_datetime(
305
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self.properties["LastApprovalRequest"])
306
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if last_approval_request is not None:
307
timer = timeout - (datetime.datetime.utcnow()
308
- last_approval_request)
267
timer = max(timeout - (datetime.datetime.utcnow()
268
- last_approval_request),
269
datetime.timedelta())
310
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timer = datetime.timedelta()
311
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if self.properties["ApprovedByDefault"]:
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)
273
message = "Approval in {}. (d)eny?"
275
message = "Denial in {}. (a)pprove?"
276
message = message.format(str(timer).rsplit(".", 1)[0])
277
self.using_timer(True)
278
elif self.properties["LastCheckerStatus"] != 0:
279
# When checker has failed, show timer until client expires
280
expires = self.properties["Expires"]
282
timer = datetime.timedelta(0)
284
expires = (datetime.datetime.strptime
285
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
286
timer = max(expires - datetime.datetime.utcnow(),
287
datetime.timedelta())
325
288
message = ('A checker has failed! Time until client'
327
% unicode(timer).rsplit(".", 1)[0])
290
.format(str(timer).rsplit(".", 1)[0]))
291
self.using_timer(True)
329
293
message = "enabled"
330
self._text = "%s%s" % (base, message)
294
self.using_timer(False)
295
self._text = "{}{}".format(base, message)
332
297
if not urwid.supports_unicode():
333
298
self._text = self._text.encode("ascii", "replace")
334
299
textlist = [("normal", self._text)]
410
def property_changed(self, property=None, value=None,
412
"""Call self.update() if old value is not new value.
376
def properties_changed(self, interface, properties, invalidated):
377
"""Call self.update() if any properties changed.
413
378
This overrides the method from MandosClientPropertyCache"""
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:
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):
445
411
"default", "default", None),
447
"default", "default", "bold"),
413
"bold", "default", "bold"),
448
414
("underline-blink",
449
"default", "default", "underline"),
415
"underline,blink", "default", "underline,blink"),
451
"default", "default", "standout"),
417
"standout", "default", "standout"),
452
418
("bold-underline-blink",
453
"default", "default", ("bold", "underline")),
419
"bold,underline,blink", "default", "bold,underline,blink"),
454
420
("bold-standout",
455
"default", "default", ("bold", "standout")),
421
"bold,standout", "default", "bold,standout"),
456
422
("underline-blink-standout",
457
"default", "default", ("underline", "standout")),
423
"underline,blink,standout", "default",
424
"underline,blink,standout"),
458
425
("bold-underline-blink-standout",
459
"default", "default", ("bold", "underline",
426
"bold,underline,blink,standout", "default",
427
"bold,underline,blink,standout"),
463
430
if urwid.supports_unicode():
496
465
self.busname = domain + '.Mandos'
497
466
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,
541
468
def client_not_found(self, fingerprint, address):
542
self.log_message(("Client with address %s and fingerprint %s"
543
" could not be found" % (address,
469
self.log_message("Client with address {} and fingerprint {}"
470
" could not be found"
471
.format(address, fingerprint))
546
473
def rebuild(self):
547
474
"""This rebuilds the User Interface.
558
485
if self.log_visible:
559
486
self.uilist.append(self.logbox)
561
487
self.topwidget = urwid.Pile(self.uilist)
563
def log_message(self, message):
489
def log_message(self, message, level=1):
490
"""Log message formatted with timestamp"""
491
if level < self.log_level:
564
493
timestamp = datetime.datetime.now().isoformat()
565
self.log_message_raw(timestamp + ": " + message)
494
self.log_message_raw("{}: {}".format(timestamp, message),
567
def log_message_raw(self, markup):
497
def log_message_raw(self, markup, level=1):
568
498
"""Add a log message to the log buffer."""
499
if level < self.log_level:
569
501
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
570
502
if (self.max_log_length
571
503
and len(self.log) > self.max_log_length):
649
577
"""Start the main loop and exit when it's done."""
578
self.bus = dbus.SystemBus()
579
mandos_dbus_objc = self.bus.get_object(
580
self.busname, "/", follow_name_owner_changes=True)
581
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
585
mandos_clients = (self.mandos_serv
586
.GetAllClientsWithProperties())
587
if not mandos_clients:
588
self.log_message_raw(("bold", "Note: Server has no clients."))
589
except dbus.exceptions.DBusException:
590
self.log_message_raw(("bold", "Note: No Mandos server running."))
591
mandos_clients = dbus.Dictionary()
594
.connect_to_signal("ClientRemoved",
595
self.find_and_remove_client,
596
dbus_interface=server_interface,
599
.connect_to_signal("ClientAdded",
601
dbus_interface=server_interface,
604
.connect_to_signal("ClientNotFound",
605
self.client_not_found,
606
dbus_interface=server_interface,
608
for path, client in mandos_clients.items():
609
client_proxy_object = self.bus.get_object(self.busname,
611
self.add_client(MandosClientWidget(server_proxy_object
614
=client_proxy_object,
651
625
self._input_callback_tag = (gobject.io_add_watch
652
626
(sys.stdin.fileno(),