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"]))
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:
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)
185
215
if os.WIFEXITED(condition):
186
self.logger('Checker for client {0} (command "{1}")'
187
' failed with exit code {2}'
188
.format(self.properties["Name"], command,
189
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)))
190
220
elif os.WIFSIGNALED(condition):
191
self.logger('Checker for client {0} (command "{1}") was'
192
' killed by signal {2}'
193
.format(self.properties["Name"], command,
194
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)))
195
225
elif os.WCOREDUMP(condition):
196
self.logger('Checker for client {0} (command "{1}")'
198
.format(self.properties["Name"], command))
226
self.logger(u'Checker for client %s (command "%s")'
228
% (self.properties[u"Name"], command))
200
self.logger('Checker for client {0} completed'
202
.format(self.properties["Name"]))
230
self.logger(u'Checker for client %s completed'
205
234
def checker_started(self, command):
206
"""Server signals that a checker started. This could be useful
207
to log in the future. """
208
#self.logger('Client {0} started checker "{1}"'
209
# .format(self.properties["Name"],
235
#self.logger(u'Client %s started checker "%s"'
236
# % (self.properties[u"Name"], unicode(command)))
213
239
def got_secret(self):
214
self.logger('Client {0} received its secret'
215
.format(self.properties["Name"]))
240
self.last_checker_failed = False
241
self.logger(u'Client %s received its secret'
242
% self.properties[u"Name"])
217
244
def need_approval(self, timeout, default):
219
message = 'Client {0} needs approval within {1} seconds'
246
message = u'Client %s needs approval within %s seconds'
221
message = 'Client {0} will get its secret in {1} seconds'
222
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)
225
253
def rejected(self, reason):
226
self.logger('Client {0} was rejected; reason: {1}'
227
.format(self.properties["Name"], reason))
254
self.logger(u'Client %s was rejected; reason: %s'
255
% (self.properties[u"Name"], reason))
229
257
def selectable(self):
230
258
"""Make this a "selectable" widget.
231
259
This overrides the method from urwid.FlowWidget."""
234
def rows(self, maxcolrow, focus=False):
262
def rows(self, (maxcol,), focus=False):
235
263
"""How many rows this widget will occupy might depend on
236
264
whether we have focus or not.
237
265
This overrides the method from urwid.FlowWidget"""
238
return self.current_widget(focus).rows(maxcolrow, focus=focus)
266
return self.current_widget(focus).rows((maxcol,), focus=focus)
240
268
def current_widget(self, focus=False):
241
269
if focus or self.opened:
245
273
def update(self):
246
274
"Called when what is visible on the screen should be updated."
247
275
# How to add standout mode to a style
248
with_standout = { "normal": "standout",
249
"bold": "bold-standout",
251
"underline-blink-standout",
252
"bold-underline-blink":
253
"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",
256
284
# Rebuild focus and non-focus widgets using current properties
258
286
# Base part of a client. Name!
259
base = '{name}: '.format(name=self.properties["Name"])
260
if not self.properties["Enabled"]:
262
self.using_timer(False)
263
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"]:
264
292
timeout = datetime.timedelta(milliseconds
265
293
= self.properties
267
295
last_approval_request = isoformat_to_datetime(
268
self.properties["LastApprovalRequest"])
296
self.properties[u"LastApprovalRequest"])
269
297
if last_approval_request is not None:
270
timer = max(timeout - (datetime.datetime.utcnow()
271
- last_approval_request),
272
datetime.timedelta())
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
274
301
timer = datetime.timedelta()
275
if self.properties["ApprovedByDefault"]:
276
message = "Approval in {0}. (d)eny?"
278
message = "Denial in {0}. (a)pprove?"
279
message = message.format(str(timer).rsplit(".", 1)[0])
280
self.using_timer(True)
281
elif self.properties["LastCheckerStatus"] != 0:
282
# When checker has failed, show timer until client expires
283
expires = self.properties["Expires"]
285
timer = datetime.timedelta(0)
287
expires = (datetime.datetime.strptime
288
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
289
timer = max(expires - datetime.datetime.utcnow(),
290
datetime.timedelta())
291
message = ('A checker has failed! Time until client'
292
' gets disabled: {0}'
293
.format(str(timer).rsplit(".", 1)[0]))
294
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])
297
self.using_timer(False)
298
self._text = "{0}{1}".format(base, message)
321
self._text = "%s%s" % (base, message)
300
323
if not urwid.supports_unicode():
301
324
self._text = self._text.encode("ascii", "replace")
302
textlist = [("normal", self._text)]
325
textlist = [(u"normal", self._text)]
303
326
self._text_widget.set_text(textlist)
304
327
self._focus_text_widget.set_text([(with_standout[text[0]],
314
337
self.update_hook()
316
339
def update_timer(self):
317
"""called by gobject. Will indefinitely loop until
318
gobject.source_remove() on tag is called"""
320
342
return True # Keep calling this
322
def delete(self, **kwargs):
323
345
if self._update_timer_callback_tag is not None:
324
346
gobject.source_remove(self._update_timer_callback_tag)
325
347
self._update_timer_callback_tag = None
326
for match in self.match_objects:
328
self.match_objects = ()
329
348
if self.delete_hook is not None:
330
349
self.delete_hook(self)
331
return super(MandosClientWidget, self).delete(**kwargs)
333
def render(self, maxcolrow, focus=False):
351
def render(self, (maxcol,), focus=False):
334
352
"""Render differently if we have focus.
335
353
This overrides the method from urwid.FlowWidget"""
336
return self.current_widget(focus).render(maxcolrow,
354
return self.current_widget(focus).render((maxcol,),
339
def keypress(self, maxcolrow, key):
357
def keypress(self, (maxcol,), key):
341
359
This overrides the method from urwid.FlowWidget"""
343
self.proxy.Enable(dbus_interface = client_interface,
346
self.proxy.Disable(dbus_interface = client_interface,
361
self.proxy.Enable(dbus_interface = client_interface)
363
self.proxy.Disable(dbus_interface = client_interface)
349
365
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
350
dbus_interface = client_interface,
366
dbus_interface = client_interface)
353
368
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
354
dbus_interface = client_interface,
356
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":
357
371
self.server_proxy_object.RemoveClient(self.proxy
361
self.proxy.StartChecker(dbus_interface = client_interface,
364
self.proxy.StopChecker(dbus_interface = client_interface,
367
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)
370
# elif key == "p" or key == "=":
380
# elif key == u"p" or key == "=":
371
381
# self.proxy.pause()
372
# elif key == "u" or key == ":":
382
# elif key == u"u" or key == ":":
373
383
# self.proxy.unpause()
384
# elif key == u"RET":
379
def property_changed(self, property=None, **kwargs):
389
def property_changed(self, property=None, value=None,
380
391
"""Call self.update() if old value is not new value.
381
392
This overrides the method from MandosClientPropertyCache"""
382
property_name = str(property)
393
property_name = unicode(property)
383
394
old_value = self.properties.get(property_name)
384
395
super(MandosClientWidget, self).property_changed(
385
property=property, **kwargs)
396
property=property, value=value, *args, **kwargs)
386
397
if self.properties.get(property_name) != old_value:
409
421
self.screen = urwid.curses_display.Screen()
411
423
self.screen.register_palette((
413
"default", "default", None),
415
"bold", "default", "bold"),
417
"underline,blink", "default", "underline,blink"),
419
"standout", "default", "standout"),
420
("bold-underline-blink",
421
"bold,underline,blink", "default", "bold,underline,blink"),
423
"bold,standout", "default", "bold,standout"),
424
("underline-blink-standout",
425
"underline,blink,standout", "default",
426
"underline,blink,standout"),
427
("bold-underline-blink-standout",
428
"bold,underline,blink,standout", "default",
429
"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",
432
443
if urwid.supports_unicode():
433
self.divider = "─" # \u2500
434
#self.divider = "━" # \u2501
444
self.divider = u"─" # \u2500
445
#self.divider = u"━" # \u2501
436
#self.divider = "-" # \u002d
437
self.divider = "_" # \u005f
447
#self.divider = u"-" # \u002d
448
self.divider = u"_" # \u005f
439
450
self.screen.start()
454
465
# This keeps track of whether self.uilist currently has
455
466
# self.logbox in it or not
456
467
self.log_visible = True
457
self.log_wrap = "any"
468
self.log_wrap = u"any"
460
self.log_message_raw(("bold",
461
"Mandos Monitor version " + version))
462
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",
465
476
self.busname = domain + '.Mandos'
466
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,
468
521
def client_not_found(self, fingerprint, address):
469
self.log_message("Client with address {0} and fingerprint"
470
" {1} could not be found"
471
.format(address, fingerprint))
522
self.log_message((u"Client with address %s and fingerprint %s"
523
u" could not be found" % (address,
473
526
def rebuild(self):
474
527
"""This rebuilds the User Interface.
498
551
and len(self.log) > self.max_log_length):
499
552
del self.log[0:len(self.log)-self.max_log_length-1]
500
553
self.logbox.set_focus(len(self.logbox.body.contents),
554
coming_from=u"above")
504
557
def toggle_log_display(self):
505
558
"""Toggle visibility of the log buffer."""
506
559
self.log_visible = not self.log_visible
508
#self.log_message("Log visibility changed to: "
509
# + str(self.log_visible))
561
#self.log_message(u"Log visibility changed to: "
562
# + unicode(self.log_visible))
511
564
def change_log_display(self):
512
565
"""Change type of log display.
513
566
Currently, this toggles wrapping of text lines."""
514
if self.log_wrap == "clip":
515
self.log_wrap = "any"
567
if self.log_wrap == u"clip":
568
self.log_wrap = u"any"
517
self.log_wrap = "clip"
570
self.log_wrap = u"clip"
518
571
for textwidget in self.log:
519
572
textwidget.set_wrap_mode(self.log_wrap)
520
#self.log_message("Wrap mode: " + self.log_wrap)
573
#self.log_message(u"Wrap mode: " + self.log_wrap)
522
575
def find_and_remove_client(self, path, name):
523
"""Find a client by its object path and remove it.
576
"""Find an client from its object path and remove it.
525
578
This is connected to the ClientRemoved signal from the
526
579
Mandos server object."""
571
627
"""Start the main loop and exit when it's done."""
572
self.bus = dbus.SystemBus()
573
mandos_dbus_objc = self.bus.get_object(
574
self.busname, "/", follow_name_owner_changes=True)
575
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
579
mandos_clients = (self.mandos_serv
580
.GetAllClientsWithProperties())
581
if not mandos_clients:
582
self.log_message_raw(("bold", "Note: Server has no clients."))
583
except dbus.exceptions.DBusException:
584
self.log_message_raw(("bold", "Note: No Mandos server running."))
585
mandos_clients = dbus.Dictionary()
588
.connect_to_signal("ClientRemoved",
589
self.find_and_remove_client,
590
dbus_interface=server_interface,
593
.connect_to_signal("ClientAdded",
595
dbus_interface=server_interface,
598
.connect_to_signal("ClientNotFound",
599
self.client_not_found,
600
dbus_interface=server_interface,
602
for path, client in mandos_clients.items():
603
client_proxy_object = self.bus.get_object(self.busname,
605
self.add_client(MandosClientWidget(server_proxy_object
608
=client_proxy_object,
619
629
self._input_callback_tag = (gobject.io_add_watch
620
630
(sys.stdin.fileno(),
646
656
except KeyError: # :-)
649
if key == "q" or key == "Q":
659
if key == u"q" or key == u"Q":
652
elif key == "window resize":
662
elif key == u"window resize":
653
663
self.size = self.screen.get_cols_rows()
655
elif key == "\f": # Ctrl-L
665
elif key == u"\f": # Ctrl-L
657
elif key == "l" or key == "D":
667
elif key == u"l" or key == u"D":
658
668
self.toggle_log_display()
660
elif key == "w" or key == "i":
670
elif key == u"w" or key == u"i":
661
671
self.change_log_display()
663
elif key == "?" or key == "f1" or key == "esc":
673
elif key == u"?" or key == u"f1" or key == u"esc":
664
674
if not self.log_visible:
665
675
self.log_visible = True
667
self.log_message_raw(("bold",
671
"l: Log window toggle",
672
"TAB: Switch window",
674
self.log_message_raw(("bold",
680
"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",
687
697
if self.topwidget.get_focus() is self.logbox:
688
698
self.topwidget.set_focus(0)
690
700
self.topwidget.set_focus(self.logbox)
692
#elif (key == "end" or key == "meta >" or key == "G"
702
#elif (key == u"end" or key == u"meta >" or key == u"G"
694
704
# pass # xxx end-of-buffer
695
#elif (key == "home" or key == "meta <" or key == "g"
705
#elif (key == u"home" or key == u"meta <" or key == u"g"
697
707
# pass # xxx beginning-of-buffer
698
#elif key == "ctrl e" or key == "$":
708
#elif key == u"ctrl e" or key == u"$":
699
709
# pass # xxx move-end-of-line
700
#elif key == "ctrl a" or key == "^":
710
#elif key == u"ctrl a" or key == u"^":
701
711
# pass # xxx move-beginning-of-line
702
#elif key == "ctrl b" or key == "meta (" or key == "h":
712
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
703
713
# pass # xxx left
704
#elif key == "ctrl f" or key == "meta )" or key == "l":
714
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
705
715
# pass # xxx right
707
717
# pass # scroll up log
709
719
# pass # scroll down log
710
720
elif self.topwidget.selectable():
711
721
self.topwidget.keypress(self.size, key)