36
42
from dbus.mainloop.glib import DBusGMainLoop
46
from gi.repository import GObject as gobject
45
locale.setlocale(locale.LC_ALL, u'')
52
if sys.version_info[0] == 2:
55
locale.setlocale(locale.LC_ALL, '')
48
58
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
50
60
# Some useful constants
51
domain = 'se.bsnet.fukt'
61
domain = 'se.recompile'
52
62
server_interface = domain + '.Mandos'
53
63
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)
64
66
def isoformat_to_datetime(iso):
65
67
"Parse an ISO 8601 date string to a datetime.datetime()"
68
d, t = iso.split(u"T", 1)
69
year, month, day = d.split(u"-", 2)
70
hour, minute, second = t.split(u":", 2)
70
d, t = iso.split("T", 1)
71
year, month, day = d.split("-", 2)
72
hour, minute, second = t.split(":", 2)
71
73
second, fraction = divmod(float(second), 1)
72
74
return datetime.datetime(int(year),
82
84
properties and calls a hook function when any of them are
85
def __init__(self, proxy_object=None, *args, **kwargs):
87
def __init__(self, proxy_object=None, properties=None, **kwargs):
86
88
self.proxy = proxy_object # Mandos Client proxy object
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__(
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)
102
108
def property_changed(self, property=None, value=None):
103
109
"""This is called whenever we get a PropertyChanged signal
123
132
self.logger = logger
125
134
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
129
136
# The widget shown normally
130
self._text_widget = urwid.Text(u"")
137
self._text_widget = urwid.Text("")
131
138
# The widget shown when we have focus
132
self._focus_text_widget = urwid.Text(u"")
133
super(MandosClientWidget, self).__init__(
134
update_hook=update_hook, delete_hook=delete_hook,
139
self._focus_text_widget = urwid.Text("")
140
super(MandosClientWidget, self).__init__(**kwargs)
137
142
self.opened = False
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",
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"]))
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))
184
168
def using_timer(self, flag):
185
169
"""Call this method with True or False when timer should be
186
170
activated or deactivated.
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:
172
if flag and self._update_timer_callback_tag is None:
173
# Will update the shown timer value every second
194
174
self._update_timer_callback_tag = (gobject.timeout_add
196
176
self.update_timer))
197
elif old and self._update_timer_callback_lock == 0:
177
elif not (flag or self._update_timer_callback_tag is None):
198
178
gobject.source_remove(self._update_timer_callback_tag)
199
179
self._update_timer_callback_tag = None
201
181
def checker_completed(self, exitstatus, condition, command):
202
182
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)
215
186
if os.WIFEXITED(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)))
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)))
220
191
elif os.WIFSIGNALED(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)))
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)))
225
196
elif os.WCOREDUMP(condition):
226
self.logger(u'Checker for client %s (command "%s")'
228
% (self.properties[u"Name"], command))
197
self.logger('Checker for client {0} (command "{1}")'
199
.format(self.properties["Name"], command))
230
self.logger(u'Checker for client %s completed'
201
self.logger('Checker for client {0} completed'
203
.format(self.properties["Name"]))
234
206
def checker_started(self, command):
235
#self.logger(u'Client %s started checker "%s"'
236
# % (self.properties[u"Name"], unicode(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"],
239
214
def got_secret(self):
240
self.last_checker_failed = False
241
self.logger(u'Client %s received its secret'
242
% self.properties[u"Name"])
215
self.logger('Client {0} received its secret'
216
.format(self.properties["Name"]))
244
218
def need_approval(self, timeout, default):
246
message = u'Client %s needs approval within %s seconds'
220
message = 'Client {0} needs approval within {1} seconds'
248
message = u'Client %s will get its secret in %s seconds'
250
% (self.properties[u"Name"], timeout/1000))
251
self.using_timer(True)
222
message = 'Client {0} will get its secret in {1} seconds'
223
self.logger(message.format(self.properties["Name"],
253
226
def rejected(self, reason):
254
self.logger(u'Client %s was rejected; reason: %s'
255
% (self.properties[u"Name"], reason))
227
self.logger('Client {0} was rejected; reason: {1}'
228
.format(self.properties["Name"], reason))
257
230
def selectable(self):
258
231
"""Make this a "selectable" widget.
259
232
This overrides the method from urwid.FlowWidget."""
262
def rows(self, (maxcol,), focus=False):
235
def rows(self, maxcolrow, focus=False):
263
236
"""How many rows this widget will occupy might depend on
264
237
whether we have focus or not.
265
238
This overrides the method from urwid.FlowWidget"""
266
return self.current_widget(focus).rows((maxcol,), focus=focus)
239
return self.current_widget(focus).rows(maxcolrow, focus=focus)
268
241
def current_widget(self, focus=False):
269
242
if focus or self.opened:
273
246
def update(self):
274
247
"Called when what is visible on the screen should be updated."
275
248
# How to add standout mode to a style
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",
249
with_standout = { "normal": "standout",
250
"bold": "bold-standout",
252
"underline-blink-standout",
253
"bold-underline-blink":
254
"bold-underline-blink-standout",
284
257
# Rebuild focus and non-focus widgets using current properties
286
259
# Base part of a client. Name!
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"]:
260
base = '{name}: '.format(name=self.properties["Name"])
261
if not self.properties["Enabled"]:
263
self.using_timer(False)
264
elif self.properties["ApprovalPending"]:
292
265
timeout = datetime.timedelta(milliseconds
293
266
= self.properties
295
268
last_approval_request = isoformat_to_datetime(
296
self.properties[u"LastApprovalRequest"])
269
self.properties["LastApprovalRequest"])
297
270
if last_approval_request is not None:
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
271
timer = max(timeout - (datetime.datetime.utcnow()
272
- last_approval_request),
273
datetime.timedelta())
301
275
timer = datetime.timedelta()
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])
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)
321
self._text = "%s%s" % (base, message)
298
self.using_timer(False)
299
self._text = "{0}{1}".format(base, message)
323
301
if not urwid.supports_unicode():
324
302
self._text = self._text.encode("ascii", "replace")
325
textlist = [(u"normal", self._text)]
303
textlist = [("normal", self._text)]
326
304
self._text_widget.set_text(textlist)
327
305
self._focus_text_widget.set_text([(with_standout[text[0]],
337
315
self.update_hook()
339
317
def update_timer(self):
318
"""called by gobject. Will indefinitely loop until
319
gobject.source_remove() on tag is called"""
342
321
return True # Keep calling this
323
def delete(self, **kwargs):
345
324
if self._update_timer_callback_tag is not None:
346
325
gobject.source_remove(self._update_timer_callback_tag)
347
326
self._update_timer_callback_tag = None
327
for match in self.match_objects:
329
self.match_objects = ()
348
330
if self.delete_hook is not None:
349
331
self.delete_hook(self)
332
return super(MandosClientWidget, self).delete(**kwargs)
351
def render(self, (maxcol,), focus=False):
334
def render(self, maxcolrow, focus=False):
352
335
"""Render differently if we have focus.
353
336
This overrides the method from urwid.FlowWidget"""
354
return self.current_widget(focus).render((maxcol,),
337
return self.current_widget(focus).render(maxcolrow,
357
def keypress(self, (maxcol,), key):
340
def keypress(self, maxcolrow, key):
359
342
This overrides the method from urwid.FlowWidget"""
361
self.proxy.Enable(dbus_interface = client_interface)
363
self.proxy.Disable(dbus_interface = client_interface)
344
self.proxy.Enable(dbus_interface = client_interface,
347
self.proxy.Disable(dbus_interface = client_interface,
365
350
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
366
dbus_interface = client_interface)
351
dbus_interface = client_interface,
368
354
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
369
dbus_interface = client_interface)
370
elif key == u"r" or key == u"_" or key == u"ctrl k":
355
dbus_interface = client_interface,
357
elif key == "R" or key == "_" or key == "ctrl k":
371
358
self.server_proxy_object.RemoveClient(self.proxy
374
self.proxy.StartChecker(dbus_interface = client_interface)
376
self.proxy.StopChecker(dbus_interface = client_interface)
378
self.proxy.CheckedOK(dbus_interface = client_interface)
362
self.proxy.StartChecker(dbus_interface = client_interface,
365
self.proxy.StopChecker(dbus_interface = client_interface,
368
self.proxy.CheckedOK(dbus_interface = client_interface,
380
# elif key == u"p" or key == "=":
371
# elif key == "p" or key == "=":
381
372
# self.proxy.pause()
382
# elif key == u"u" or key == ":":
373
# elif key == "u" or key == ":":
383
374
# self.proxy.unpause()
384
# elif key == u"RET":
389
def property_changed(self, property=None, value=None,
380
def property_changed(self, property=None, **kwargs):
391
381
"""Call self.update() if old value is not new value.
392
382
This overrides the method from MandosClientPropertyCache"""
393
property_name = unicode(property)
383
property_name = str(property)
394
384
old_value = self.properties.get(property_name)
395
385
super(MandosClientWidget, self).property_changed(
396
property=property, value=value, *args, **kwargs)
386
property=property, **kwargs)
397
387
if self.properties.get(property_name) != old_value:
421
410
self.screen = urwid.curses_display.Screen()
423
412
self.screen.register_palette((
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",
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"),
443
433
if urwid.supports_unicode():
444
self.divider = u"─" # \u2500
445
#self.divider = u"━" # \u2501
434
self.divider = "─" # \u2500
435
#self.divider = "━" # \u2501
447
#self.divider = u"-" # \u002d
448
self.divider = u"_" # \u005f
437
#self.divider = "-" # \u002d
438
self.divider = "_" # \u005f
450
440
self.screen.start()
465
455
# This keeps track of whether self.uilist currently has
466
456
# self.logbox in it or not
467
457
self.log_visible = True
468
self.log_wrap = u"any"
458
self.log_wrap = "any"
471
self.log_message_raw((u"bold",
472
u"Mandos Monitor version " + version))
473
self.log_message_raw((u"bold",
461
self.log_message_raw(("bold",
462
"Mandos Monitor version " + version))
463
self.log_message_raw(("bold",
476
466
self.busname = domain + '.Mandos'
477
467
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,
521
469
def client_not_found(self, fingerprint, address):
522
self.log_message((u"Client with address %s and fingerprint %s"
523
u" could not be found" % (address,
470
self.log_message("Client with address {0} and fingerprint"
471
" {1} could not be found"
472
.format(address, fingerprint))
526
474
def rebuild(self):
527
475
"""This rebuilds the User Interface.
551
499
and len(self.log) > self.max_log_length):
552
500
del self.log[0:len(self.log)-self.max_log_length-1]
553
501
self.logbox.set_focus(len(self.logbox.body.contents),
554
coming_from=u"above")
557
505
def toggle_log_display(self):
558
506
"""Toggle visibility of the log buffer."""
559
507
self.log_visible = not self.log_visible
561
#self.log_message(u"Log visibility changed to: "
562
# + unicode(self.log_visible))
509
#self.log_message("Log visibility changed to: "
510
# + str(self.log_visible))
564
512
def change_log_display(self):
565
513
"""Change type of log display.
566
514
Currently, this toggles wrapping of text lines."""
567
if self.log_wrap == u"clip":
568
self.log_wrap = u"any"
515
if self.log_wrap == "clip":
516
self.log_wrap = "any"
570
self.log_wrap = u"clip"
518
self.log_wrap = "clip"
571
519
for textwidget in self.log:
572
520
textwidget.set_wrap_mode(self.log_wrap)
573
#self.log_message(u"Wrap mode: " + self.log_wrap)
521
#self.log_message("Wrap mode: " + self.log_wrap)
575
523
def find_and_remove_client(self, path, name):
576
"""Find an client from its object path and remove it.
524
"""Find a client by its object path and remove it.
578
526
This is connected to the ClientRemoved signal from the
579
527
Mandos server object."""
627
572
"""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,
629
620
self._input_callback_tag = (gobject.io_add_watch
630
621
(sys.stdin.fileno(),
656
647
except KeyError: # :-)
659
if key == u"q" or key == u"Q":
650
if key == "q" or key == "Q":
662
elif key == u"window resize":
653
elif key == "window resize":
663
654
self.size = self.screen.get_cols_rows()
665
elif key == u"\f": # Ctrl-L
656
elif key == "\f": # Ctrl-L
667
elif key == u"l" or key == u"D":
658
elif key == "l" or key == "D":
668
659
self.toggle_log_display()
670
elif key == u"w" or key == u"i":
661
elif key == "w" or key == "i":
671
662
self.change_log_display()
673
elif key == u"?" or key == u"f1" or key == u"esc":
664
elif key == "?" or key == "f1" or key == "esc":
674
665
if not self.log_visible:
675
666
self.log_visible = True
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",
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",
697
688
if self.topwidget.get_focus() is self.logbox:
698
689
self.topwidget.set_focus(0)
700
691
self.topwidget.set_focus(self.logbox)
702
#elif (key == u"end" or key == u"meta >" or key == u"G"
693
#elif (key == "end" or key == "meta >" or key == "G"
704
695
# pass # xxx end-of-buffer
705
#elif (key == u"home" or key == u"meta <" or key == u"g"
696
#elif (key == "home" or key == "meta <" or key == "g"
707
698
# pass # xxx beginning-of-buffer
708
#elif key == u"ctrl e" or key == u"$":
699
#elif key == "ctrl e" or key == "$":
709
700
# pass # xxx move-end-of-line
710
#elif key == u"ctrl a" or key == u"^":
701
#elif key == "ctrl a" or key == "^":
711
702
# pass # xxx move-beginning-of-line
712
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
703
#elif key == "ctrl b" or key == "meta (" or key == "h":
713
704
# pass # xxx left
714
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
705
#elif key == "ctrl f" or key == "meta )" or key == "l":
715
706
# pass # xxx right
717
708
# pass # scroll up log
719
710
# pass # scroll down log
720
711
elif self.topwidget.selectable():
721
712
self.topwidget.keypress(self.size, key)