41
36
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GObject as gobject
51
if sys.version_info[0] == 2:
54
locale.setlocale(locale.LC_ALL, '')
45
locale.setlocale(locale.LC_ALL, u'')
57
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
59
50
# Some useful constants
60
domain = 'se.recompile'
51
domain = 'se.bsnet.fukt'
61
52
server_interface = domain + '.Mandos'
62
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)
65
64
def isoformat_to_datetime(iso):
66
65
"Parse an ISO 8601 date string to a datetime.datetime()"
69
d, t = iso.split("T", 1)
70
year, month, day = d.split("-", 2)
71
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)
72
71
second, fraction = divmod(float(second), 1)
73
72
return datetime.datetime(int(year),
83
82
properties and calls a hook function when any of them are
86
def __init__(self, proxy_object=None, properties=None, **kwargs):
85
def __init__(self, proxy_object=None, *args, **kwargs):
87
86
self.proxy = proxy_object # Mandos Client proxy object
88
self.properties = dict() if properties is None else properties
89
self.property_changed_match = (
90
self.proxy.connect_to_signal("PropertyChanged",
91
self._property_changed,
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)
103
def _property_changed(self, property, value):
104
"""Helper which takes positional arguments"""
105
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__(
107
102
def property_changed(self, property=None, value=None):
108
103
"""This is called whenever we get a PropertyChanged signal
131
123
self.logger = logger
133
125
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
135
129
# The widget shown normally
136
self._text_widget = urwid.Text("")
130
self._text_widget = urwid.Text(u"")
137
131
# The widget shown when we have focus
138
self._focus_text_widget = urwid.Text("")
139
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,
141
137
self.opened = False
143
self.match_objects = (
144
self.proxy.connect_to_signal("CheckerCompleted",
145
self.checker_completed,
148
self.proxy.connect_to_signal("CheckerStarted",
149
self.checker_started,
152
self.proxy.connect_to_signal("GotSecret",
156
self.proxy.connect_to_signal("NeedApproval",
160
self.proxy.connect_to_signal("Rejected",
164
self.logger('Created client {0}'
165
.format(self.properties["Name"]), level=0)
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))
167
184
def using_timer(self, flag):
168
185
"""Call this method with True or False when timer should be
169
186
activated or deactivated.
171
if flag and self._update_timer_callback_tag is None:
172
# 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:
173
194
self._update_timer_callback_tag = (gobject.timeout_add
175
196
self.update_timer))
176
elif not (flag or self._update_timer_callback_tag is None):
197
elif old and self._update_timer_callback_lock == 0:
177
198
gobject.source_remove(self._update_timer_callback_tag)
178
199
self._update_timer_callback_tag = None
180
201
def checker_completed(self, exitstatus, condition, command):
181
202
if exitstatus == 0:
182
self.logger('Checker for client {0} (command "{1}")'
183
' succeeded'.format(self.properties["Name"],
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)
188
215
if os.WIFEXITED(condition):
189
self.logger('Checker for client {0} (command "{1}")'
190
' failed with exit code {2}'
191
.format(self.properties["Name"], command,
192
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)))
193
220
elif os.WIFSIGNALED(condition):
194
self.logger('Checker for client {0} (command "{1}") was'
195
' killed by signal {2}'
196
.format(self.properties["Name"], command,
197
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)))
198
225
elif os.WCOREDUMP(condition):
199
self.logger('Checker for client {0} (command "{1}")'
201
.format(self.properties["Name"], command))
226
self.logger(u'Checker for client %s (command "%s")'
228
% (self.properties[u"Name"], command))
203
self.logger('Checker for client {0} completed'
205
.format(self.properties["Name"]))
230
self.logger(u'Checker for client %s completed'
208
234
def checker_started(self, command):
209
"""Server signals that a checker started."""
210
self.logger('Client {0} started checker "{1}"'
211
.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:
404
415
"""This is the entire user interface - the whole screen
405
416
with boxes, lists of client widgets, etc.
407
def __init__(self, max_log_length=1000, log_level=1):
418
def __init__(self, max_log_length=1000):
408
419
DBusGMainLoop(set_as_default=True)
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()
457
465
# This keeps track of whether self.uilist currently has
458
466
# self.logbox in it or not
459
467
self.log_visible = True
460
self.log_wrap = "any"
468
self.log_wrap = u"any"
463
self.log_message_raw(("bold",
464
"Mandos Monitor version " + version))
465
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",
468
476
self.busname = domain + '.Mandos'
469
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,
471
521
def client_not_found(self, fingerprint, address):
472
self.log_message("Client with address {0} and fingerprint"
473
" {1} could not be found"
474
.format(address, fingerprint))
522
self.log_message((u"Client with address %s and fingerprint %s"
523
u" could not be found" % (address,
476
526
def rebuild(self):
477
527
"""This rebuilds the User Interface.
488
538
if self.log_visible:
489
539
self.uilist.append(self.logbox)
490
541
self.topwidget = urwid.Pile(self.uilist)
492
def log_message(self, message, level=1):
493
"""Log message formatted with timestamp"""
494
if level < self.log_level:
543
def log_message(self, message):
496
544
timestamp = datetime.datetime.now().isoformat()
497
self.log_message_raw("{0}: {1}".format(timestamp, message),
545
self.log_message_raw(timestamp + u": " + message)
500
def log_message_raw(self, markup, level=1):
547
def log_message_raw(self, markup):
501
548
"""Add a log message to the log buffer."""
502
if level < self.log_level:
504
549
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
550
if (self.max_log_length
506
551
and len(self.log) > self.max_log_length):
507
552
del self.log[0:len(self.log)-self.max_log_length-1]
508
553
self.logbox.set_focus(len(self.logbox.body.contents),
554
coming_from=u"above")
512
557
def toggle_log_display(self):
513
558
"""Toggle visibility of the log buffer."""
514
559
self.log_visible = not self.log_visible
516
self.log_message("Log visibility changed to: {0}"
517
.format(self.log_visible), level=0)
561
#self.log_message(u"Log visibility changed to: "
562
# + unicode(self.log_visible))
519
564
def change_log_display(self):
520
565
"""Change type of log display.
521
566
Currently, this toggles wrapping of text lines."""
522
if self.log_wrap == "clip":
523
self.log_wrap = "any"
567
if self.log_wrap == u"clip":
568
self.log_wrap = u"any"
525
self.log_wrap = "clip"
570
self.log_wrap = u"clip"
526
571
for textwidget in self.log:
527
572
textwidget.set_wrap_mode(self.log_wrap)
528
self.log_message("Wrap mode: {0}".format(self.log_wrap),
573
#self.log_message(u"Wrap mode: " + self.log_wrap)
531
575
def find_and_remove_client(self, path, name):
532
"""Find a client by its object path and remove it.
576
"""Find an client from its object path and remove it.
534
578
This is connected to the ClientRemoved signal from the
535
579
Mandos server object."""
580
627
"""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,
628
629
self._input_callback_tag = (gobject.io_add_watch
629
630
(sys.stdin.fileno(),
655
656
except KeyError: # :-)
658
if key == "q" or key == "Q":
659
if key == u"q" or key == u"Q":
661
elif key == "window resize":
662
elif key == u"window resize":
662
663
self.size = self.screen.get_cols_rows()
664
elif key == "ctrl l":
665
elif key == u"\f": # Ctrl-L
667
elif key == "l" or key == "D":
667
elif key == u"l" or key == u"D":
668
668
self.toggle_log_display()
670
elif key == "w" or key == "i":
670
elif key == u"w" or key == u"i":
671
671
self.change_log_display()
673
elif key == "?" or key == "f1" or key == "esc":
673
elif key == u"?" or key == u"f1" or key == u"esc":
674
674
if not self.log_visible:
675
675
self.log_visible = True
677
self.log_message_raw(("bold",
681
"l: Log window toggle",
682
"TAB: Switch window",
683
"w: Wrap (log lines)",
684
"v: Toggle verbose log",
686
self.log_message_raw(("bold",
692
"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",
699
697
if self.topwidget.get_focus() is self.logbox:
700
698
self.topwidget.set_focus(0)
702
700
self.topwidget.set_focus(self.logbox)
705
if self.log_level == 0:
707
self.log_message("Verbose mode: Off")
710
self.log_message("Verbose mode: On")
711
#elif (key == "end" or key == "meta >" or key == "G"
702
#elif (key == u"end" or key == u"meta >" or key == u"G"
713
704
# pass # xxx end-of-buffer
714
#elif (key == "home" or key == "meta <" or key == "g"
705
#elif (key == u"home" or key == u"meta <" or key == u"g"
716
707
# pass # xxx beginning-of-buffer
717
#elif key == "ctrl e" or key == "$":
708
#elif key == u"ctrl e" or key == u"$":
718
709
# pass # xxx move-end-of-line
719
#elif key == "ctrl a" or key == "^":
710
#elif key == u"ctrl a" or key == u"^":
720
711
# pass # xxx move-beginning-of-line
721
#elif key == "ctrl b" or key == "meta (" or key == "h":
712
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
722
713
# pass # xxx left
723
#elif key == "ctrl f" or key == "meta )" or key == "l":
714
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
724
715
# pass # xxx right
726
717
# pass # scroll up log
728
719
# pass # scroll down log
729
720
elif self.topwidget.selectable():
730
721
self.topwidget.keypress(self.size, key)