42
36
from dbus.mainloop.glib import DBusGMainLoop
46
from gi.repository import GObject as gobject
52
if sys.version_info[0] == 2:
55
locale.setlocale(locale.LC_ALL, '')
45
locale.setlocale(locale.LC_ALL, u'')
58
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
60
50
# Some useful constants
61
domain = 'se.recompile'
51
domain = 'se.bsnet.fukt'
62
52
server_interface = domain + '.Mandos'
63
53
client_interface = domain + '.Mandos.Client'
56
# Always run in monochrome mode
57
urwid.curses_display.curses.has_colors = lambda : False
59
# Urwid doesn't support blinking, but we want it. Since we have no
60
# use for underline on its own, we make underline also always blink.
61
urwid.curses_display.curses.A_UNDERLINE |= (
62
urwid.curses_display.curses.A_BLINK)
66
64
def isoformat_to_datetime(iso):
67
65
"Parse an ISO 8601 date string to a datetime.datetime()"
70
d, t = iso.split("T", 1)
71
year, month, day = d.split("-", 2)
72
hour, minute, second = t.split(":", 2)
68
d, t = iso.split(u"T", 1)
69
year, month, day = d.split(u"-", 2)
70
hour, minute, second = t.split(u":", 2)
73
71
second, fraction = divmod(float(second), 1)
74
72
return datetime.datetime(int(year),
84
82
properties and calls a hook function when any of them are
87
def __init__(self, proxy_object=None, properties=None, **kwargs):
85
def __init__(self, proxy_object=None, *args, **kwargs):
88
86
self.proxy = proxy_object # Mandos Client proxy object
89
self.properties = dict() if properties is None else properties
90
self.property_changed_match = (
91
self.proxy.connect_to_signal("PropertyChanged",
92
self._property_changed,
96
if properties is None:
97
self.properties.update(
98
self.proxy.GetAll(client_interface,
100
= dbus.PROPERTIES_IFACE))
102
super(MandosClientPropertyCache, self).__init__(**kwargs)
104
def _property_changed(self, property, value):
105
"""Helper which takes positional arguments"""
106
return self.property_changed(property=property, value=value)
88
self.properties = dict()
89
self.proxy.connect_to_signal(u"PropertyChanged",
90
self.property_changed,
94
self.properties.update(
95
self.proxy.GetAll(client_interface,
96
dbus_interface = dbus.PROPERTIES_IFACE))
98
#XXX This break good super behaviour!
99
# super(MandosClientPropertyCache, self).__init__(
108
102
def property_changed(self, property=None, value=None):
109
103
"""This is called whenever we get a PropertyChanged signal
132
123
self.logger = logger
134
125
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
136
129
# The widget shown normally
137
self._text_widget = urwid.Text("")
130
self._text_widget = urwid.Text(u"")
138
131
# The widget shown when we have focus
139
self._focus_text_widget = urwid.Text("")
140
super(MandosClientWidget, self).__init__(**kwargs)
132
self._focus_text_widget = urwid.Text(u"")
133
super(MandosClientWidget, self).__init__(
134
update_hook=update_hook, delete_hook=delete_hook,
142
137
self.opened = False
144
self.match_objects = (
145
self.proxy.connect_to_signal("CheckerCompleted",
146
self.checker_completed,
149
self.proxy.connect_to_signal("CheckerStarted",
150
self.checker_started,
153
self.proxy.connect_to_signal("GotSecret",
157
self.proxy.connect_to_signal("NeedApproval",
161
self.proxy.connect_to_signal("Rejected",
165
#self.logger('Created client {0}'
166
# .format(self.properties["Name"]))
139
last_checked_ok = isoformat_to_datetime(self.properties
141
if last_checked_ok is None:
142
self.last_checker_failed = True
144
self.last_checker_failed = ((datetime.datetime.utcnow()
151
if self.last_checker_failed:
152
self.using_timer(True)
154
if self.need_approval:
155
self.using_timer(True)
157
self.proxy.connect_to_signal(u"CheckerCompleted",
158
self.checker_completed,
161
self.proxy.connect_to_signal(u"CheckerStarted",
162
self.checker_started,
165
self.proxy.connect_to_signal(u"GotSecret",
169
self.proxy.connect_to_signal(u"NeedApproval",
173
self.proxy.connect_to_signal(u"Rejected",
178
def property_changed(self, property=None, value=None):
179
super(self, MandosClientWidget).property_changed(property,
181
if property == u"ApprovalPending":
182
using_timer(bool(value))
168
184
def using_timer(self, flag):
169
185
"""Call this method with True or False when timer should be
170
186
activated or deactivated.
172
if flag and self._update_timer_callback_tag is None:
173
# Will update the shown timer value every second
188
old = self._update_timer_callback_lock
190
self._update_timer_callback_lock += 1
192
self._update_timer_callback_lock -= 1
193
if old == 0 and self._update_timer_callback_lock:
174
194
self._update_timer_callback_tag = (gobject.timeout_add
176
196
self.update_timer))
177
elif not (flag or self._update_timer_callback_tag is None):
197
elif old and self._update_timer_callback_lock == 0:
178
198
gobject.source_remove(self._update_timer_callback_tag)
179
199
self._update_timer_callback_tag = None
181
201
def checker_completed(self, exitstatus, condition, command):
182
202
if exitstatus == 0:
203
if self.last_checker_failed:
204
self.last_checker_failed = False
205
self.using_timer(False)
206
#self.logger(u'Checker for client %s (command "%s")'
208
# % (self.properties[u"Name"], command))
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
186
215
if os.WIFEXITED(condition):
187
self.logger('Checker for client {0} (command "{1}")'
188
' failed with exit code {2}'
189
.format(self.properties["Name"], command,
190
os.WEXITSTATUS(condition)))
216
self.logger(u'Checker for client %s (command "%s")'
217
u' failed with exit code %s'
218
% (self.properties[u"Name"], command,
219
os.WEXITSTATUS(condition)))
191
220
elif os.WIFSIGNALED(condition):
192
self.logger('Checker for client {0} (command "{1}") was'
193
' killed by signal {2}'
194
.format(self.properties["Name"], command,
195
os.WTERMSIG(condition)))
221
self.logger(u'Checker for client %s (command "%s")'
222
u' was killed by signal %s'
223
% (self.properties[u"Name"], command,
224
os.WTERMSIG(condition)))
196
225
elif os.WCOREDUMP(condition):
197
self.logger('Checker for client {0} (command "{1}")'
199
.format(self.properties["Name"], command))
226
self.logger(u'Checker for client %s (command "%s")'
228
% (self.properties[u"Name"], command))
201
self.logger('Checker for client {0} completed'
203
.format(self.properties["Name"]))
230
self.logger(u'Checker for client %s completed'
206
234
def checker_started(self, command):
207
"""Server signals that a checker started. This could be useful
208
to log in the future. """
209
#self.logger('Client {0} started checker "{1}"'
210
# .format(self.properties["Name"],
235
#self.logger(u'Client %s started checker "%s"'
236
# % (self.properties[u"Name"], unicode(command)))
214
239
def got_secret(self):
215
self.logger('Client {0} received its secret'
216
.format(self.properties["Name"]))
240
self.last_checker_failed = False
241
self.logger(u'Client %s received its secret'
242
% self.properties[u"Name"])
218
244
def need_approval(self, timeout, default):
220
message = 'Client {0} needs approval within {1} seconds'
246
message = u'Client %s needs approval within %s seconds'
222
message = 'Client {0} will get its secret in {1} seconds'
223
self.logger(message.format(self.properties["Name"],
248
message = u'Client %s will get its secret in %s seconds'
250
% (self.properties[u"Name"], timeout/1000))
251
self.using_timer(True)
226
253
def rejected(self, reason):
227
self.logger('Client {0} was rejected; reason: {1}'
228
.format(self.properties["Name"], reason))
254
self.logger(u'Client %s was rejected; reason: %s'
255
% (self.properties[u"Name"], reason))
230
257
def selectable(self):
231
258
"""Make this a "selectable" widget.
232
259
This overrides the method from urwid.FlowWidget."""
235
def rows(self, maxcolrow, focus=False):
262
def rows(self, (maxcol,), focus=False):
236
263
"""How many rows this widget will occupy might depend on
237
264
whether we have focus or not.
238
265
This overrides the method from urwid.FlowWidget"""
239
return self.current_widget(focus).rows(maxcolrow, focus=focus)
266
return self.current_widget(focus).rows((maxcol,), focus=focus)
241
268
def current_widget(self, focus=False):
242
269
if focus or self.opened:
246
273
def update(self):
247
274
"Called when what is visible on the screen should be updated."
248
275
# How to add standout mode to a style
249
with_standout = { "normal": "standout",
250
"bold": "bold-standout",
252
"underline-blink-standout",
253
"bold-underline-blink":
254
"bold-underline-blink-standout",
276
with_standout = { u"normal": u"standout",
277
u"bold": u"bold-standout",
279
u"underline-blink-standout",
280
u"bold-underline-blink":
281
u"bold-underline-blink-standout",
257
284
# Rebuild focus and non-focus widgets using current properties
259
286
# Base part of a client. Name!
260
base = '{name}: '.format(name=self.properties["Name"])
261
if not self.properties["Enabled"]:
263
self.using_timer(False)
264
elif self.properties["ApprovalPending"]:
287
base = (u'%(name)s: '
288
% {u"name": self.properties[u"Name"]})
289
if not self.properties[u"Enabled"]:
290
message = u"DISABLED"
291
elif self.properties[u"ApprovalPending"]:
265
292
timeout = datetime.timedelta(milliseconds
266
293
= self.properties
268
295
last_approval_request = isoformat_to_datetime(
269
self.properties["LastApprovalRequest"])
296
self.properties[u"LastApprovalRequest"])
270
297
if last_approval_request is not None:
271
timer = max(timeout - (datetime.datetime.utcnow()
272
- last_approval_request),
273
datetime.timedelta())
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
275
301
timer = datetime.timedelta()
276
if self.properties["ApprovedByDefault"]:
277
message = "Approval in {0}. (d)eny?"
279
message = "Denial in {0}. (a)pprove?"
280
message = message.format(str(timer).rsplit(".", 1)[0])
281
self.using_timer(True)
282
elif self.properties["LastCheckerStatus"] != 0:
283
# When checker has failed, show timer until client expires
284
expires = self.properties["Expires"]
286
timer = datetime.timedelta(0)
288
expires = (datetime.datetime.strptime
289
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
timer = max(expires - datetime.datetime.utcnow(),
291
datetime.timedelta())
292
message = ('A checker has failed! Time until client'
293
' gets disabled: {0}'
294
.format(str(timer).rsplit(".", 1)[0]))
295
self.using_timer(True)
302
if self.properties[u"ApprovedByDefault"]:
303
message = u"Approval in %s. (d)eny?"
305
message = u"Denial in %s. (a)pprove?"
306
message = message % unicode(timer).rsplit(".", 1)[0]
307
elif self.last_checker_failed:
308
timeout = datetime.timedelta(milliseconds
311
last_ok = isoformat_to_datetime(
312
max((self.properties[u"LastCheckedOK"]
313
or self.properties[u"Created"]),
314
self.properties[u"LastEnabled"]))
315
timer = timeout - (datetime.datetime.utcnow() - last_ok)
316
message = (u'A checker has failed! Time until client'
317
u' gets disabled: %s'
318
% unicode(timer).rsplit(".", 1)[0])
298
self.using_timer(False)
299
self._text = "{0}{1}".format(base, message)
321
self._text = "%s%s" % (base, message)
301
323
if not urwid.supports_unicode():
302
324
self._text = self._text.encode("ascii", "replace")
303
textlist = [("normal", self._text)]
325
textlist = [(u"normal", self._text)]
304
326
self._text_widget.set_text(textlist)
305
327
self._focus_text_widget.set_text([(with_standout[text[0]],
315
337
self.update_hook()
317
339
def update_timer(self):
318
"""called by gobject. Will indefinitely loop until
319
gobject.source_remove() on tag is called"""
321
342
return True # Keep calling this
323
def delete(self, **kwargs):
324
345
if self._update_timer_callback_tag is not None:
325
346
gobject.source_remove(self._update_timer_callback_tag)
326
347
self._update_timer_callback_tag = None
327
for match in self.match_objects:
329
self.match_objects = ()
330
348
if self.delete_hook is not None:
331
349
self.delete_hook(self)
332
return super(MandosClientWidget, self).delete(**kwargs)
334
def render(self, maxcolrow, focus=False):
351
def render(self, (maxcol,), focus=False):
335
352
"""Render differently if we have focus.
336
353
This overrides the method from urwid.FlowWidget"""
337
return self.current_widget(focus).render(maxcolrow,
354
return self.current_widget(focus).render((maxcol,),
340
def keypress(self, maxcolrow, key):
357
def keypress(self, (maxcol,), key):
342
359
This overrides the method from urwid.FlowWidget"""
344
self.proxy.Enable(dbus_interface = client_interface,
347
self.proxy.Disable(dbus_interface = client_interface,
361
self.proxy.Enable(dbus_interface = client_interface)
363
self.proxy.Disable(dbus_interface = client_interface)
350
365
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
351
dbus_interface = client_interface,
366
dbus_interface = client_interface)
354
368
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
355
dbus_interface = client_interface,
357
elif key == "R" or key == "_" or key == "ctrl k":
369
dbus_interface = client_interface)
370
elif key == u"R" or key == u"_" or key == u"ctrl k":
358
371
self.server_proxy_object.RemoveClient(self.proxy
362
self.proxy.StartChecker(dbus_interface = client_interface,
365
self.proxy.StopChecker(dbus_interface = client_interface,
368
self.proxy.CheckedOK(dbus_interface = client_interface,
374
self.proxy.StartChecker(dbus_interface = client_interface)
376
self.proxy.StopChecker(dbus_interface = client_interface)
378
self.proxy.CheckedOK(dbus_interface = client_interface)
371
# elif key == "p" or key == "=":
380
# elif key == u"p" or key == "=":
372
381
# self.proxy.pause()
373
# elif key == "u" or key == ":":
382
# elif key == u"u" or key == ":":
374
383
# self.proxy.unpause()
384
# elif key == u"RET":
380
def property_changed(self, property=None, **kwargs):
389
def property_changed(self, property=None, value=None,
381
391
"""Call self.update() if old value is not new value.
382
392
This overrides the method from MandosClientPropertyCache"""
383
property_name = str(property)
393
property_name = unicode(property)
384
394
old_value = self.properties.get(property_name)
385
395
super(MandosClientWidget, self).property_changed(
386
property=property, **kwargs)
396
property=property, value=value, *args, **kwargs)
387
397
if self.properties.get(property_name) != old_value:
410
421
self.screen = urwid.curses_display.Screen()
412
423
self.screen.register_palette((
414
"default", "default", None),
416
"bold", "default", "bold"),
418
"underline,blink", "default", "underline,blink"),
420
"standout", "default", "standout"),
421
("bold-underline-blink",
422
"bold,underline,blink", "default", "bold,underline,blink"),
424
"bold,standout", "default", "bold,standout"),
425
("underline-blink-standout",
426
"underline,blink,standout", "default",
427
"underline,blink,standout"),
428
("bold-underline-blink-standout",
429
"bold,underline,blink,standout", "default",
430
"bold,underline,blink,standout"),
425
u"default", u"default", None),
427
u"default", u"default", u"bold"),
429
u"default", u"default", u"underline"),
431
u"default", u"default", u"standout"),
432
(u"bold-underline-blink",
433
u"default", u"default", (u"bold", u"underline")),
435
u"default", u"default", (u"bold", u"standout")),
436
(u"underline-blink-standout",
437
u"default", u"default", (u"underline", u"standout")),
438
(u"bold-underline-blink-standout",
439
u"default", u"default", (u"bold", u"underline",
433
443
if urwid.supports_unicode():
434
self.divider = "─" # \u2500
435
#self.divider = "━" # \u2501
444
self.divider = u"─" # \u2500
445
#self.divider = u"━" # \u2501
437
#self.divider = "-" # \u002d
438
self.divider = "_" # \u005f
447
#self.divider = u"-" # \u002d
448
self.divider = u"_" # \u005f
440
450
self.screen.start()
455
465
# This keeps track of whether self.uilist currently has
456
466
# self.logbox in it or not
457
467
self.log_visible = True
458
self.log_wrap = "any"
468
self.log_wrap = u"any"
461
self.log_message_raw(("bold",
462
"Mandos Monitor version " + version))
463
self.log_message_raw(("bold",
471
self.log_message_raw((u"bold",
472
u"Mandos Monitor version " + version))
473
self.log_message_raw((u"bold",
466
476
self.busname = domain + '.Mandos'
467
477
self.main_loop = gobject.MainLoop()
478
self.bus = dbus.SystemBus()
479
mandos_dbus_objc = self.bus.get_object(
480
self.busname, u"/", follow_name_owner_changes=True)
481
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
485
mandos_clients = (self.mandos_serv
486
.GetAllClientsWithProperties())
487
except dbus.exceptions.DBusException:
488
mandos_clients = dbus.Dictionary()
491
.connect_to_signal(u"ClientRemoved",
492
self.find_and_remove_client,
493
dbus_interface=server_interface,
496
.connect_to_signal(u"ClientAdded",
498
dbus_interface=server_interface,
501
.connect_to_signal(u"ClientNotFound",
502
self.client_not_found,
503
dbus_interface=server_interface,
505
for path, client in mandos_clients.iteritems():
506
client_proxy_object = self.bus.get_object(self.busname,
508
self.add_client(MandosClientWidget(server_proxy_object
511
=client_proxy_object,
469
521
def client_not_found(self, fingerprint, address):
470
self.log_message("Client with address {0} and fingerprint"
471
" {1} could not be found"
472
.format(address, fingerprint))
522
self.log_message((u"Client with address %s and fingerprint %s"
523
u" could not be found" % (address,
474
526
def rebuild(self):
475
527
"""This rebuilds the User Interface.
499
551
and len(self.log) > self.max_log_length):
500
552
del self.log[0:len(self.log)-self.max_log_length-1]
501
553
self.logbox.set_focus(len(self.logbox.body.contents),
554
coming_from=u"above")
505
557
def toggle_log_display(self):
506
558
"""Toggle visibility of the log buffer."""
507
559
self.log_visible = not self.log_visible
509
#self.log_message("Log visibility changed to: "
510
# + str(self.log_visible))
561
#self.log_message(u"Log visibility changed to: "
562
# + unicode(self.log_visible))
512
564
def change_log_display(self):
513
565
"""Change type of log display.
514
566
Currently, this toggles wrapping of text lines."""
515
if self.log_wrap == "clip":
516
self.log_wrap = "any"
567
if self.log_wrap == u"clip":
568
self.log_wrap = u"any"
518
self.log_wrap = "clip"
570
self.log_wrap = u"clip"
519
571
for textwidget in self.log:
520
572
textwidget.set_wrap_mode(self.log_wrap)
521
#self.log_message("Wrap mode: " + self.log_wrap)
573
#self.log_message(u"Wrap mode: " + self.log_wrap)
523
575
def find_and_remove_client(self, path, name):
524
"""Find a client by its object path and remove it.
576
"""Find an client from its object path and remove it.
526
578
This is connected to the ClientRemoved signal from the
527
579
Mandos server object."""
572
627
"""Start the main loop and exit when it's done."""
573
self.bus = dbus.SystemBus()
574
mandos_dbus_objc = self.bus.get_object(
575
self.busname, "/", follow_name_owner_changes=True)
576
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
580
mandos_clients = (self.mandos_serv
581
.GetAllClientsWithProperties())
582
if not mandos_clients:
583
self.log_message_raw(("bold", "Note: Server has no clients."))
584
except dbus.exceptions.DBusException:
585
self.log_message_raw(("bold", "Note: No Mandos server running."))
586
mandos_clients = dbus.Dictionary()
589
.connect_to_signal("ClientRemoved",
590
self.find_and_remove_client,
591
dbus_interface=server_interface,
594
.connect_to_signal("ClientAdded",
596
dbus_interface=server_interface,
599
.connect_to_signal("ClientNotFound",
600
self.client_not_found,
601
dbus_interface=server_interface,
603
for path, client in mandos_clients.items():
604
client_proxy_object = self.bus.get_object(self.busname,
606
self.add_client(MandosClientWidget(server_proxy_object
609
=client_proxy_object,
620
629
self._input_callback_tag = (gobject.io_add_watch
621
630
(sys.stdin.fileno(),
647
656
except KeyError: # :-)
650
if key == "q" or key == "Q":
659
if key == u"q" or key == u"Q":
653
elif key == "window resize":
662
elif key == u"window resize":
654
663
self.size = self.screen.get_cols_rows()
656
elif key == "\f": # Ctrl-L
665
elif key == u"\f": # Ctrl-L
658
elif key == "l" or key == "D":
667
elif key == u"l" or key == u"D":
659
668
self.toggle_log_display()
661
elif key == "w" or key == "i":
670
elif key == u"w" or key == u"i":
662
671
self.change_log_display()
664
elif key == "?" or key == "f1" or key == "esc":
673
elif key == u"?" or key == u"f1" or key == u"esc":
665
674
if not self.log_visible:
666
675
self.log_visible = True
668
self.log_message_raw(("bold",
672
"l: Log window toggle",
673
"TAB: Switch window",
675
self.log_message_raw(("bold",
681
"s: Start new checker",
677
self.log_message_raw((u"bold",
681
u"l: Log window toggle",
682
u"TAB: Switch window",
684
self.log_message_raw((u"bold",
690
u"s: Start new checker",
688
697
if self.topwidget.get_focus() is self.logbox:
689
698
self.topwidget.set_focus(0)
691
700
self.topwidget.set_focus(self.logbox)
693
#elif (key == "end" or key == "meta >" or key == "G"
702
#elif (key == u"end" or key == u"meta >" or key == u"G"
695
704
# pass # xxx end-of-buffer
696
#elif (key == "home" or key == "meta <" or key == "g"
705
#elif (key == u"home" or key == u"meta <" or key == u"g"
698
707
# pass # xxx beginning-of-buffer
699
#elif key == "ctrl e" or key == "$":
708
#elif key == u"ctrl e" or key == u"$":
700
709
# pass # xxx move-end-of-line
701
#elif key == "ctrl a" or key == "^":
710
#elif key == u"ctrl a" or key == u"^":
702
711
# pass # xxx move-beginning-of-line
703
#elif key == "ctrl b" or key == "meta (" or key == "h":
712
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
704
713
# pass # xxx left
705
#elif key == "ctrl f" or key == "meta )" or key == "l":
714
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
706
715
# pass # xxx right
708
717
# pass # scroll up log
710
719
# pass # scroll down log
711
720
elif self.topwidget.selectable():
712
721
self.topwidget.keypress(self.size, key)