41
36
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GObject as gobject
51
if sys.version_info.major == 2:
54
locale.setlocale(locale.LC_ALL, '')
45
locale.setlocale(locale.LC_ALL, u'')
57
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
48
logging.getLogger(u'dbus.proxies').setLevel(logging.CRITICAL)
59
50
# Some useful constants
60
domain = 'se.recompile'
61
server_interface = domain + '.Mandos'
62
client_interface = domain + '.Mandos.Client'
51
domain = u'se.bsnet.fukt'
52
server_interface = domain + u'.Mandos'
53
client_interface = domain + u'.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("PropertiesChanged",
91
self.properties_changed,
92
dbus.PROPERTIES_IFACE,
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)
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__(
103
def properties_changed(self, interface, properties, invalidated):
104
"""This is called whenever we get a PropertiesChanged signal
105
It updates the changed properties in the "properties" dict.
102
def property_changed(self, property=None, value=None):
103
"""This is called whenever we get a PropertyChanged signal
104
It updates the changed property in the "properties" dict.
107
106
# Update properties dict with new value
108
self.properties.update(properties)
111
self.property_changed_match.remove()
107
self.properties[property] = value
114
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
127
123
self.logger = logger
129
125
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
131
129
# The widget shown normally
132
self._text_widget = urwid.Text("")
130
self._text_widget = urwid.Text(u"")
133
131
# The widget shown when we have focus
134
self._focus_text_widget = urwid.Text("")
135
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,
137
137
self.opened = False
139
self.match_objects = (
140
self.proxy.connect_to_signal("CheckerCompleted",
141
self.checker_completed,
144
self.proxy.connect_to_signal("CheckerStarted",
145
self.checker_started,
148
self.proxy.connect_to_signal("GotSecret",
152
self.proxy.connect_to_signal("NeedApproval",
156
self.proxy.connect_to_signal("Rejected",
160
self.logger('Created client {}'
161
.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))
163
184
def using_timer(self, flag):
164
185
"""Call this method with True or False when timer should be
165
186
activated or deactivated.
167
if flag and self._update_timer_callback_tag is None:
168
# 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:
169
194
self._update_timer_callback_tag = (gobject.timeout_add
171
196
self.update_timer))
172
elif not (flag or self._update_timer_callback_tag is None):
197
elif old and self._update_timer_callback_lock == 0:
173
198
gobject.source_remove(self._update_timer_callback_tag)
174
199
self._update_timer_callback_tag = None
176
201
def checker_completed(self, exitstatus, condition, command):
177
202
if exitstatus == 0:
178
self.logger('Checker for client {} (command "{}")'
179
' 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)
184
215
if os.WIFEXITED(condition):
185
self.logger('Checker for client {} (command "{}") failed'
187
.format(self.properties["Name"], command,
188
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)))
189
220
elif os.WIFSIGNALED(condition):
190
self.logger('Checker for client {} (command "{}") was'
191
' killed by signal {}'
192
.format(self.properties["Name"], command,
193
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)))
194
225
elif os.WCOREDUMP(condition):
195
self.logger('Checker for client {} (command "{}") dumped'
196
' core'.format(self.properties["Name"],
226
self.logger(u'Checker for client %s (command "%s")'
228
% (self.properties[u"Name"], command))
199
self.logger('Checker for client {} completed'
201
.format(self.properties["Name"]))
230
self.logger(u'Checker for client %s completed'
204
234
def checker_started(self, command):
205
"""Server signals that a checker started."""
206
self.logger('Client {} started checker "{}"'
207
.format(self.properties["Name"],
235
#self.logger(u'Client %s started checker "%s"'
236
# % (self.properties[u"Name"], unicode(command)))
210
239
def got_secret(self):
211
self.logger('Client {} received its secret'
212
.format(self.properties["Name"]))
240
self.last_checker_failed = False
241
self.logger(u'Client %s received its secret'
242
% self.properties[u"Name"])
214
244
def need_approval(self, timeout, default):
216
message = 'Client {} needs approval within {} seconds'
246
message = u'Client %s needs approval within %s seconds'
218
message = 'Client {} will get its secret in {} seconds'
219
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)
222
253
def rejected(self, reason):
223
self.logger('Client {} was rejected; reason: {}'
224
.format(self.properties["Name"], reason))
254
self.logger(u'Client %s was rejected; reason: %s'
255
% (self.properties[u"Name"], reason))
226
257
def selectable(self):
227
258
"""Make this a "selectable" widget.
242
273
def update(self):
243
274
"Called when what is visible on the screen should be updated."
244
275
# How to add standout mode to a style
245
with_standout = { "normal": "standout",
246
"bold": "bold-standout",
248
"underline-blink-standout",
249
"bold-underline-blink":
250
"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",
253
284
# Rebuild focus and non-focus widgets using current properties
255
286
# Base part of a client. Name!
256
base = '{name}: '.format(name=self.properties["Name"])
257
if not self.properties["Enabled"]:
259
self.using_timer(False)
260
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"]:
261
292
timeout = datetime.timedelta(milliseconds
262
293
= self.properties
264
295
last_approval_request = isoformat_to_datetime(
265
self.properties["LastApprovalRequest"])
296
self.properties[u"LastApprovalRequest"])
266
297
if last_approval_request is not None:
267
timer = max(timeout - (datetime.datetime.utcnow()
268
- last_approval_request),
269
datetime.timedelta())
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
271
301
timer = datetime.timedelta()
272
if self.properties["ApprovedByDefault"]:
273
message = "Approval in {}. (d)eny?"
275
message = "Denial in {}. (a)pprove?"
276
message = message.format(str(timer).rsplit(".", 1)[0])
277
self.using_timer(True)
278
elif self.properties["LastCheckerStatus"] != 0:
279
# When checker has failed, show timer until client expires
280
expires = self.properties["Expires"]
282
timer = datetime.timedelta(0)
284
expires = (datetime.datetime.strptime
285
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
286
timer = max(expires - datetime.datetime.utcnow(),
287
datetime.timedelta())
288
message = ('A checker has failed! Time until client'
290
.format(str(timer).rsplit(".", 1)[0]))
291
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])
294
self.using_timer(False)
295
self._text = "{}{}".format(base, message)
321
self._text = u"%s%s" % (base, message)
297
323
if not urwid.supports_unicode():
298
self._text = self._text.encode("ascii", "replace")
299
textlist = [("normal", self._text)]
324
self._text = self._text.encode(u"ascii", u"replace")
325
textlist = [(u"normal", self._text)]
300
326
self._text_widget.set_text(textlist)
301
327
self._focus_text_widget.set_text([(with_standout[text[0]],
336
357
def keypress(self, maxcolrow, key):
338
359
This overrides the method from urwid.FlowWidget"""
340
self.proxy.Enable(dbus_interface = client_interface,
343
self.proxy.Disable(dbus_interface = client_interface,
361
self.proxy.Enable(dbus_interface = client_interface)
363
self.proxy.Disable(dbus_interface = client_interface)
346
365
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
dbus_interface = client_interface,
366
dbus_interface = client_interface)
350
368
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
dbus_interface = client_interface,
353
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":
354
371
self.server_proxy_object.RemoveClient(self.proxy
358
self.proxy.StartChecker(dbus_interface = client_interface,
361
self.proxy.StopChecker(dbus_interface = client_interface,
364
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)
367
# elif key == "p" or key == "=":
380
# elif key == u"p" or key == "=":
368
381
# self.proxy.pause()
369
# elif key == "u" or key == ":":
382
# elif key == u"u" or key == ":":
370
383
# self.proxy.unpause()
384
# elif key == u"RET":
376
def properties_changed(self, interface, properties, invalidated):
377
"""Call self.update() if any properties changed.
389
def property_changed(self, property=None, value=None,
391
"""Call self.update() if old value is not new value.
378
392
This overrides the method from MandosClientPropertyCache"""
379
old_values = { key: self.properties.get(key)
380
for key in properties.keys() }
381
super(MandosClientWidget, self).properties_changed(
382
interface, properties, invalidated)
383
if any(old_values[key] != self.properties.get(key)
384
for key in old_values):
393
property_name = unicode(property)
394
old_value = self.properties.get(property_name)
395
super(MandosClientWidget, self).property_changed(
396
property=property, value=value, *args, **kwargs)
397
if self.properties.get(property_name) != old_value:
401
414
"""This is the entire user interface - the whole screen
402
415
with boxes, lists of client widgets, etc.
404
def __init__(self, max_log_length=1000, log_level=1):
417
def __init__(self, max_log_length=1000):
405
418
DBusGMainLoop(set_as_default=True)
407
420
self.screen = urwid.curses_display.Screen()
409
422
self.screen.register_palette((
411
"default", "default", None),
413
"bold", "default", "bold"),
415
"underline,blink", "default", "underline,blink"),
417
"standout", "default", "standout"),
418
("bold-underline-blink",
419
"bold,underline,blink", "default", "bold,underline,blink"),
421
"bold,standout", "default", "bold,standout"),
422
("underline-blink-standout",
423
"underline,blink,standout", "default",
424
"underline,blink,standout"),
425
("bold-underline-blink-standout",
426
"bold,underline,blink,standout", "default",
427
"bold,underline,blink,standout"),
424
u"default", u"default", None),
426
u"default", u"default", u"bold"),
428
u"default", u"default", u"underline"),
430
u"default", u"default", u"standout"),
431
(u"bold-underline-blink",
432
u"default", u"default", (u"bold", u"underline")),
434
u"default", u"default", (u"bold", u"standout")),
435
(u"underline-blink-standout",
436
u"default", u"default", (u"underline", u"standout")),
437
(u"bold-underline-blink-standout",
438
u"default", u"default", (u"bold", u"underline",
430
442
if urwid.supports_unicode():
431
self.divider = "─" # \u2500
432
#self.divider = "━" # \u2501
443
self.divider = u"─" # \u2500
444
#self.divider = u"━" # \u2501
434
#self.divider = "-" # \u002d
435
self.divider = "_" # \u005f
446
#self.divider = u"-" # \u002d
447
self.divider = u"_" # \u005f
437
449
self.screen.start()
454
464
# This keeps track of whether self.uilist currently has
455
465
# self.logbox in it or not
456
466
self.log_visible = True
457
self.log_wrap = "any"
467
self.log_wrap = u"any"
460
self.log_message_raw(("bold",
461
"Mandos Monitor version " + version))
462
self.log_message_raw(("bold",
470
self.log_message_raw((u"bold",
471
u"Mandos Monitor version " + version))
472
self.log_message_raw((u"bold",
465
475
self.busname = domain + '.Mandos'
466
476
self.main_loop = gobject.MainLoop()
477
self.bus = dbus.SystemBus()
478
mandos_dbus_objc = self.bus.get_object(
479
self.busname, u"/", follow_name_owner_changes=True)
480
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
484
mandos_clients = (self.mandos_serv
485
.GetAllClientsWithProperties())
486
except dbus.exceptions.DBusException:
487
mandos_clients = dbus.Dictionary()
490
.connect_to_signal(u"ClientRemoved",
491
self.find_and_remove_client,
492
dbus_interface=server_interface,
495
.connect_to_signal(u"ClientAdded",
497
dbus_interface=server_interface,
500
.connect_to_signal(u"ClientNotFound",
501
self.client_not_found,
502
dbus_interface=server_interface,
504
for path, client in mandos_clients.iteritems():
505
client_proxy_object = self.bus.get_object(self.busname,
507
self.add_client(MandosClientWidget(server_proxy_object
510
=client_proxy_object,
468
520
def client_not_found(self, fingerprint, address):
469
self.log_message("Client with address {} and fingerprint {}"
470
" could not be found"
471
.format(address, fingerprint))
521
self.log_message((u"Client with address %s and fingerprint %s"
522
u" could not be found" % (address,
473
525
def rebuild(self):
474
526
"""This rebuilds the User Interface.
485
537
if self.log_visible:
486
538
self.uilist.append(self.logbox)
487
540
self.topwidget = urwid.Pile(self.uilist)
489
def log_message(self, message, level=1):
490
"""Log message formatted with timestamp"""
491
if level < self.log_level:
542
def log_message(self, message):
493
543
timestamp = datetime.datetime.now().isoformat()
494
self.log_message_raw("{}: {}".format(timestamp, message),
544
self.log_message_raw(timestamp + u": " + message)
497
def log_message_raw(self, markup, level=1):
546
def log_message_raw(self, markup):
498
547
"""Add a log message to the log buffer."""
499
if level < self.log_level:
501
548
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
549
if (self.max_log_length
503
550
and len(self.log) > self.max_log_length):
504
551
del self.log[0:len(self.log)-self.max_log_length-1]
505
552
self.logbox.set_focus(len(self.logbox.body.contents),
553
coming_from=u"above")
509
556
def toggle_log_display(self):
510
557
"""Toggle visibility of the log buffer."""
511
558
self.log_visible = not self.log_visible
513
self.log_message("Log visibility changed to: {}"
514
.format(self.log_visible), level=0)
560
#self.log_message(u"Log visibility changed to: "
561
# + unicode(self.log_visible))
516
563
def change_log_display(self):
517
564
"""Change type of log display.
518
565
Currently, this toggles wrapping of text lines."""
519
if self.log_wrap == "clip":
520
self.log_wrap = "any"
566
if self.log_wrap == u"clip":
567
self.log_wrap = u"any"
522
self.log_wrap = "clip"
569
self.log_wrap = u"clip"
523
570
for textwidget in self.log:
524
571
textwidget.set_wrap_mode(self.log_wrap)
525
self.log_message("Wrap mode: {}".format(self.log_wrap),
572
#self.log_message(u"Wrap mode: " + self.log_wrap)
528
574
def find_and_remove_client(self, path, name):
529
"""Find a client by its object path and remove it.
575
"""Find an client from its object path and remove it.
531
577
This is connected to the ClientRemoved signal from the
532
578
Mandos server object."""
577
626
"""Start the main loop and exit when it's done."""
578
self.bus = dbus.SystemBus()
579
mandos_dbus_objc = self.bus.get_object(
580
self.busname, "/", follow_name_owner_changes=True)
581
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
585
mandos_clients = (self.mandos_serv
586
.GetAllClientsWithProperties())
587
if not mandos_clients:
588
self.log_message_raw(("bold", "Note: Server has no clients."))
589
except dbus.exceptions.DBusException:
590
self.log_message_raw(("bold", "Note: No Mandos server running."))
591
mandos_clients = dbus.Dictionary()
594
.connect_to_signal("ClientRemoved",
595
self.find_and_remove_client,
596
dbus_interface=server_interface,
599
.connect_to_signal("ClientAdded",
601
dbus_interface=server_interface,
604
.connect_to_signal("ClientNotFound",
605
self.client_not_found,
606
dbus_interface=server_interface,
608
for path, client in mandos_clients.items():
609
client_proxy_object = self.bus.get_object(self.busname,
611
self.add_client(MandosClientWidget(server_proxy_object
614
=client_proxy_object,
625
628
self._input_callback_tag = (gobject.io_add_watch
626
629
(sys.stdin.fileno(),
652
655
except KeyError: # :-)
655
if key == "q" or key == "Q":
658
if key == u"q" or key == u"Q":
658
elif key == "window resize":
661
elif key == u"window resize":
659
662
self.size = self.screen.get_cols_rows()
661
elif key == "ctrl l":
664
elif key == u"\f": # Ctrl-L
664
elif key == "l" or key == "D":
666
elif key == u"l" or key == u"D":
665
667
self.toggle_log_display()
667
elif key == "w" or key == "i":
669
elif key == u"w" or key == u"i":
668
670
self.change_log_display()
670
elif key == "?" or key == "f1" or key == "esc":
672
elif key == u"?" or key == u"f1" or key == u"esc":
671
673
if not self.log_visible:
672
674
self.log_visible = True
674
self.log_message_raw(("bold",
678
"l: Log window toggle",
679
"TAB: Switch window",
680
"w: Wrap (log lines)",
681
"v: Toggle verbose log",
683
self.log_message_raw(("bold",
689
"s: Start new checker",
676
self.log_message_raw((u"bold",
680
u"l: Log window toggle",
681
u"TAB: Switch window",
683
self.log_message_raw((u"bold",
689
u"s: Start new checker",
696
696
if self.topwidget.get_focus() is self.logbox:
697
697
self.topwidget.set_focus(0)
699
699
self.topwidget.set_focus(self.logbox)
702
if self.log_level == 0:
704
self.log_message("Verbose mode: Off")
707
self.log_message("Verbose mode: On")
708
#elif (key == "end" or key == "meta >" or key == "G"
701
#elif (key == u"end" or key == u"meta >" or key == u"G"
710
703
# pass # xxx end-of-buffer
711
#elif (key == "home" or key == "meta <" or key == "g"
704
#elif (key == u"home" or key == u"meta <" or key == u"g"
713
706
# pass # xxx beginning-of-buffer
714
#elif key == "ctrl e" or key == "$":
707
#elif key == u"ctrl e" or key == u"$":
715
708
# pass # xxx move-end-of-line
716
#elif key == "ctrl a" or key == "^":
709
#elif key == u"ctrl a" or key == u"^":
717
710
# pass # xxx move-beginning-of-line
718
#elif key == "ctrl b" or key == "meta (" or key == "h":
711
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
719
712
# pass # xxx left
720
#elif key == "ctrl f" or key == "meta )" or key == "l":
713
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
721
714
# pass # xxx right
723
716
# pass # scroll up log
725
718
# pass # scroll down log
726
719
elif self.topwidget.selectable():
727
720
self.topwidget.keypress(self.size, key)