36
41
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GObject as gobject
45
locale.setlocale(locale.LC_ALL, u'')
51
if sys.version_info[0] == 2:
54
locale.setlocale(locale.LC_ALL, '')
48
57
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
50
59
# Some useful constants
51
domain = 'se.bsnet.fukt'
60
domain = 'se.recompile'
52
61
server_interface = domain + '.Mandos'
53
62
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
65
def isoformat_to_datetime(iso):
65
66
"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)
69
d, t = iso.split("T", 1)
70
year, month, day = d.split("-", 2)
71
hour, minute, second = t.split(":", 2)
71
72
second, fraction = divmod(float(second), 1)
72
73
return datetime.datetime(int(year),
82
83
properties and calls a hook function when any of them are
85
def __init__(self, proxy_object=None, *args, **kwargs):
86
def __init__(self, proxy_object=None, properties=None, **kwargs):
86
87
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__(
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)
102
107
def property_changed(self, property=None, value=None):
103
108
"""This is called whenever we get a PropertyChanged signal
123
131
self.logger = logger
125
133
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
129
135
# The widget shown normally
130
self._text_widget = urwid.Text(u"")
136
self._text_widget = urwid.Text("")
131
137
# 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,
138
self._focus_text_widget = urwid.Text("")
139
super(MandosClientWidget, self).__init__(**kwargs)
137
141
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",
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)
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
167
def using_timer(self, flag):
185
168
"""Call this method with True or False when timer should be
186
169
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:
171
if flag and self._update_timer_callback_tag is None:
172
# Will update the shown timer value every second
194
173
self._update_timer_callback_tag = (gobject.timeout_add
196
175
self.update_timer))
197
elif old and self._update_timer_callback_lock == 0:
176
elif not (flag or self._update_timer_callback_tag is None):
198
177
gobject.source_remove(self._update_timer_callback_tag)
199
178
self._update_timer_callback_tag = None
201
180
def checker_completed(self, exitstatus, condition, command):
202
181
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))
182
self.logger('Checker for client {0} (command "{1}")'
183
' succeeded'.format(self.properties["Name"],
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
215
188
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)))
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)))
220
193
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)))
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)))
225
198
elif os.WCOREDUMP(condition):
226
self.logger(u'Checker for client %s (command "%s")'
228
% (self.properties[u"Name"], command))
199
self.logger('Checker for client {0} (command "{1}")'
201
.format(self.properties["Name"], command))
230
self.logger(u'Checker for client %s completed'
203
self.logger('Checker for client {0} completed'
205
.format(self.properties["Name"]))
234
208
def checker_started(self, command):
235
#self.logger(u'Client %s started checker "%s"'
236
# % (self.properties[u"Name"], unicode(command)))
209
"""Server signals that a checker started."""
210
self.logger('Client {0} started checker "{1}"'
211
.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:
415
404
"""This is the entire user interface - the whole screen
416
405
with boxes, lists of client widgets, etc.
418
def __init__(self, max_log_length=1000):
407
def __init__(self, max_log_length=1000, log_level=1):
419
408
DBusGMainLoop(set_as_default=True)
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
457
# This keeps track of whether self.uilist currently has
466
458
# self.logbox in it or not
467
459
self.log_visible = True
468
self.log_wrap = u"any"
460
self.log_wrap = "any"
471
self.log_message_raw((u"bold",
472
u"Mandos Monitor version " + version))
473
self.log_message_raw((u"bold",
463
self.log_message_raw(("bold",
464
"Mandos Monitor version " + version))
465
self.log_message_raw(("bold",
476
468
self.busname = domain + '.Mandos'
477
469
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
471
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,
472
self.log_message("Client with address {0} and fingerprint"
473
" {1} could not be found"
474
.format(address, fingerprint))
526
476
def rebuild(self):
527
477
"""This rebuilds the User Interface.
538
488
if self.log_visible:
539
489
self.uilist.append(self.logbox)
541
490
self.topwidget = urwid.Pile(self.uilist)
543
def log_message(self, message):
492
def log_message(self, message, level=1):
493
"""Log message formatted with timestamp"""
494
if level < self.log_level:
544
496
timestamp = datetime.datetime.now().isoformat()
545
self.log_message_raw(timestamp + u": " + message)
497
self.log_message_raw("{0}: {1}".format(timestamp, message),
547
def log_message_raw(self, markup):
500
def log_message_raw(self, markup, level=1):
548
501
"""Add a log message to the log buffer."""
502
if level < self.log_level:
549
504
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
550
505
if (self.max_log_length
551
506
and len(self.log) > self.max_log_length):
552
507
del self.log[0:len(self.log)-self.max_log_length-1]
553
508
self.logbox.set_focus(len(self.logbox.body.contents),
554
coming_from=u"above")
557
512
def toggle_log_display(self):
558
513
"""Toggle visibility of the log buffer."""
559
514
self.log_visible = not self.log_visible
561
#self.log_message(u"Log visibility changed to: "
562
# + unicode(self.log_visible))
516
self.log_message("Log visibility changed to: {0}"
517
.format(self.log_visible), level=0)
564
519
def change_log_display(self):
565
520
"""Change type of log display.
566
521
Currently, this toggles wrapping of text lines."""
567
if self.log_wrap == u"clip":
568
self.log_wrap = u"any"
522
if self.log_wrap == "clip":
523
self.log_wrap = "any"
570
self.log_wrap = u"clip"
525
self.log_wrap = "clip"
571
526
for textwidget in self.log:
572
527
textwidget.set_wrap_mode(self.log_wrap)
573
#self.log_message(u"Wrap mode: " + self.log_wrap)
528
self.log_message("Wrap mode: {0}".format(self.log_wrap),
575
531
def find_and_remove_client(self, path, name):
576
"""Find an client from its object path and remove it.
532
"""Find a client by its object path and remove it.
578
534
This is connected to the ClientRemoved signal from the
579
535
Mandos server object."""
627
580
"""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,
629
628
self._input_callback_tag = (gobject.io_add_watch
630
629
(sys.stdin.fileno(),
656
655
except KeyError: # :-)
659
if key == u"q" or key == u"Q":
658
if key == "q" or key == "Q":
662
elif key == u"window resize":
661
elif key == "window resize":
663
662
self.size = self.screen.get_cols_rows()
665
elif key == u"\f": # Ctrl-L
664
elif key == "ctrl l":
667
elif key == u"l" or key == u"D":
667
elif key == "l" or key == "D":
668
668
self.toggle_log_display()
670
elif key == u"w" or key == u"i":
670
elif key == "w" or key == "i":
671
671
self.change_log_display()
673
elif key == u"?" or key == u"f1" or key == u"esc":
673
elif key == "?" or key == "f1" or key == "esc":
674
674
if not self.log_visible:
675
675
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",
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",
697
699
if self.topwidget.get_focus() is self.logbox:
698
700
self.topwidget.set_focus(0)
700
702
self.topwidget.set_focus(self.logbox)
702
#elif (key == u"end" or key == u"meta >" or key == u"G"
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"
704
713
# pass # xxx end-of-buffer
705
#elif (key == u"home" or key == u"meta <" or key == u"g"
714
#elif (key == "home" or key == "meta <" or key == "g"
707
716
# pass # xxx beginning-of-buffer
708
#elif key == u"ctrl e" or key == u"$":
717
#elif key == "ctrl e" or key == "$":
709
718
# pass # xxx move-end-of-line
710
#elif key == u"ctrl a" or key == u"^":
719
#elif key == "ctrl a" or key == "^":
711
720
# pass # xxx move-beginning-of-line
712
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
721
#elif key == "ctrl b" or key == "meta (" or key == "h":
713
722
# pass # xxx left
714
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
723
#elif key == "ctrl f" or key == "meta )" or key == "l":
715
724
# pass # xxx right
717
726
# pass # scroll up log
719
728
# pass # scroll down log
720
729
elif self.topwidget.selectable():
721
730
self.topwidget.keypress(self.size, key)