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- Committer: Teddy Hogeborn
- Date: 2013-10-22 19:46:35 UTC
- Revision ID: teddy@recompile.se-20131022194635-ll6jyg1snrxwe94o
* TODO
- files added:
- debian/mandos-client.examples
- network-hooks.d
- files modified:
- .bzrignore
added
removed
mandos-monitor
3
3
#
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# Mandos Monitor - Control and monitor the Mandos server
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#
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# Copyright © 2009-2011 Teddy Hogeborn
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# Copyright © 2009-2011 Björn Påhlsson
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# Copyright © 2009-2013 Teddy Hogeborn
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# Copyright © 2009-2013 Björn Påhlsson
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8
#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
21
22
#
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# Contact the authors at <mandos@fukt.bsnet.se>.
23
# Contact the authors at <mandos@recompile.se>.
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24
#
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25
26
from __future__ import (division, absolute_import, print_function,
26
27
unicode_literals)
28
try:
29
from future_builtins import *
30
except ImportError:
31
pass
27
32
28
33
import sys
29
34
import os
35
40
import urwid
36
41
37
42
from dbus.mainloop.glib import DBusGMainLoop
38
import gobject
43
try:
44
import gobject
45
except ImportError:
46
from gi.repository import GObject as gobject
39
47
40
48
import dbus
41
49
42
import UserList
43
44
50
import locale
45
51
52
if sys.version_info[0] == 2:
53
str = unicode
54
46
55
locale.setlocale(locale.LC_ALL, '')
47
56
48
57
import logging
49
58
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
50
59
51
60
# Some useful constants
52
domain = 'se.bsnet.fukt'
61
domain = 'se.recompile'
53
62
server_interface = domain + '.Mandos'
54
63
client_interface = domain + '.Mandos.Client'
55
version = "1.3.1"
56
57
# Always run in monochrome mode
58
urwid.curses_display.curses.has_colors = lambda : False
59
60
# Urwid doesn't support blinking, but we want it. Since we have no
61
# use for underline on its own, we make underline also always blink.
62
urwid.curses_display.curses.A_UNDERLINE |= (
63
urwid.curses_display.curses.A_BLINK)
64
version = "1.6.1"
64
65
65
66
def isoformat_to_datetime(iso):
66
67
"Parse an ISO 8601 date string to a datetime.datetime()"
83
84
properties and calls a hook function when any of them are
84
85
changed.
85
86
"""
86
def __init__(self, proxy_object=None, *args, **kwargs):
87
def __init__(self, proxy_object=None, properties=None, **kwargs):
87
88
self.proxy = proxy_object # Mandos Client proxy object
88
89
self.properties = dict()
89
self.properties = dict() if properties is None else properties
90
90
self.property_changed_match = (
91
91
self.proxy.connect_to_signal("PropertyChanged",
92
self.property_changed,
92
self._property_changed,
93
93
client_interface,
94
94
byte_arrays=True))
95
95
96
self.properties.update(
97
self.proxy.GetAll(client_interface,
98
dbus_interface = dbus.PROPERTIES_IFACE))
99
100
#XXX This breaks good super behaviour
101
# super(MandosClientPropertyCache, self).__init__(
102
# *args, **kwargs)
96
if properties is None:
97
self.properties.update(
98
self.proxy.GetAll(client_interface,
99
dbus_interface
100
= dbus.PROPERTIES_IFACE))
101
102
super(MandosClientPropertyCache, self).__init__(**kwargs)
103
104
def _property_changed(self, property, value):
105
"""Helper which takes positional arguments"""
106
return self.property_changed(property=property, value=value)
103
107
104
108
def property_changed(self, property=None, value=None):
105
109
"""This is called whenever we get a PropertyChanged signal
108
112
# Update properties dict with new value
109
113
self.properties[property] = value
110
114
111
def delete(self, *args, **kwargs):
115
def delete(self):
112
116
self.property_changed_match.remove()
113
super(MandosClientPropertyCache, self).__init__(
114
*args, **kwargs)
115
117
116
118
117
119
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
121
"""
120
122
121
123
def __init__(self, server_proxy_object=None, update_hook=None,
122
delete_hook=None, logger=None, *args, **kwargs):
124
delete_hook=None, logger=None, **kwargs):
123
125
# Called on update
124
126
self.update_hook = update_hook
125
127
# Called on delete
130
132
self.logger = logger
131
133
132
134
self._update_timer_callback_tag = None
133
self._update_timer_callback_lock = 0
134
self.last_checker_failed = False
135
135
136
136
# The widget shown normally
137
137
self._text_widget = urwid.Text("")
138
138
# The widget shown when we have focus
139
139
self._focus_text_widget = urwid.Text("")
140
super(MandosClientWidget, self).__init__(
141
update_hook=update_hook, delete_hook=delete_hook,
142
*args, **kwargs)
140
super(MandosClientWidget, self).__init__(**kwargs)
143
141
self.update()
144
142
self.opened = False
145
143
146
last_checked_ok = isoformat_to_datetime(self.properties
147
["LastCheckedOK"])
148
if last_checked_ok is None:
149
self.last_checker_failed = True
150
else:
151
self.last_checker_failed = ((datetime.datetime.utcnow()
152
- last_checked_ok)
153
> datetime.timedelta
154
(milliseconds=
155
self.properties
156
["Interval"]))
157
158
if self.last_checker_failed:
159
self.using_timer(True)
160
161
if self.need_approval:
162
self.using_timer(True)
163
164
144
self.match_objects = (
165
145
self.proxy.connect_to_signal("CheckerCompleted",
166
146
self.checker_completed,
182
162
self.rejected,
183
163
client_interface,
184
164
byte_arrays=True))
185
#self.logger('Created client %s' % (self.properties["Name"]))
165
#self.logger('Created client {0}'
166
# .format(self.properties["Name"]))
186
167
187
def property_changed(self, property=None, value=None):
188
super(self, MandosClientWidget).property_changed(property,
189
value)
190
if property == "ApprovalPending":
191
using_timer(bool(value))
192
193
168
def using_timer(self, flag):
194
169
"""Call this method with True or False when timer should be
195
170
activated or deactivated.
196
171
"""
197
old = self._update_timer_callback_lock
198
if flag:
199
self._update_timer_callback_lock += 1
200
else:
201
self._update_timer_callback_lock -= 1
202
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
203
174
self._update_timer_callback_tag = (gobject.timeout_add
204
175
(1000,
205
176
self.update_timer))
206
elif old and self._update_timer_callback_lock == 0:
177
elif not (flag or self._update_timer_callback_tag is None):
207
178
gobject.source_remove(self._update_timer_callback_tag)
208
179
self._update_timer_callback_tag = None
209
180
210
181
def checker_completed(self, exitstatus, condition, command):
211
182
if exitstatus == 0:
212
if self.last_checker_failed:
213
self.last_checker_failed = False
214
self.using_timer(False)
215
#self.logger('Checker for client %s (command "%s")'
216
# ' was successful'
217
# % (self.properties["Name"], command))
218
183
self.update()
219
184
return
220
185
# Checker failed
221
if not self.last_checker_failed:
222
self.last_checker_failed = True
223
self.using_timer(True)
224
186
if os.WIFEXITED(condition):
225
self.logger('Checker for client %s (command "%s")'
226
' failed with exit code %s'
227
% (self.properties["Name"], command,
228
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)))
229
191
elif os.WIFSIGNALED(condition):
230
self.logger('Checker for client %s (command "%s")'
231
' was killed by signal %s'
232
% (self.properties["Name"], command,
233
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)))
234
196
elif os.WCOREDUMP(condition):
235
self.logger('Checker for client %s (command "%s")'
197
self.logger('Checker for client {0} (command "{1}")'
236
198
' dumped core'
237
% (self.properties["Name"], command))
199
.format(self.properties["Name"], command))
238
200
else:
239
self.logger('Checker for client %s completed'
240
' mysteriously')
201
self.logger('Checker for client {0} completed'
202
' mysteriously'
203
.format(self.properties["Name"]))
241
204
self.update()
242
205
243
206
def checker_started(self, command):
244
#self.logger('Client %s started checker "%s"'
245
# % (self.properties["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"],
211
# str(command)))
246
212
pass
247
213
248
214
def got_secret(self):
249
self.last_checker_failed = False
250
self.logger('Client %s received its secret'
251
% self.properties["Name"])
215
self.logger('Client {0} received its secret'
216
.format(self.properties["Name"]))
252
217
253
218
def need_approval(self, timeout, default):
254
219
if not default:
255
message = 'Client %s needs approval within %s seconds'
220
message = 'Client {0} needs approval within {1} seconds'
256
221
else:
257
message = 'Client %s will get its secret in %s seconds'
258
self.logger(message
259
% (self.properties["Name"], timeout/1000))
260
self.using_timer(True)
222
message = 'Client {0} will get its secret in {1} seconds'
223
self.logger(message.format(self.properties["Name"],
224
timeout/1000))
261
225
262
226
def rejected(self, reason):
263
self.logger('Client %s was rejected; reason: %s'
264
% (self.properties["Name"], reason))
227
self.logger('Client {0} was rejected; reason: {1}'
228
.format(self.properties["Name"], reason))
265
229
266
230
def selectable(self):
267
231
"""Make this a "selectable" widget.
289
253
"bold-underline-blink":
290
254
"bold-underline-blink-standout",
291
255
}
292
256
293
257
# Rebuild focus and non-focus widgets using current properties
294
258
295
259
# Base part of a client. Name!
296
base = ('%(name)s: '
297
% {"name": self.properties["Name"]})
260
base = '{name}: '.format(name=self.properties["Name"])
298
261
if not self.properties["Enabled"]:
299
262
message = "DISABLED"
263
self.using_timer(False)
300
264
elif self.properties["ApprovalPending"]:
301
265
timeout = datetime.timedelta(milliseconds
302
266
= self.properties
304
268
last_approval_request = isoformat_to_datetime(
305
269
self.properties["LastApprovalRequest"])
306
270
if last_approval_request is not None:
307
timer = timeout - (datetime.datetime.utcnow()
308
- last_approval_request)
271
timer = max(timeout - (datetime.datetime.utcnow()
272
- last_approval_request),
273
datetime.timedelta())
309
274
else:
310
275
timer = datetime.timedelta()
311
276
if self.properties["ApprovedByDefault"]:
312
message = "Approval in %s. (d)eny?"
313
else:
314
message = "Denial in %s. (a)pprove?"
315
message = message % unicode(timer).rsplit(".", 1)[0]
316
elif self.last_checker_failed:
317
timeout = datetime.timedelta(milliseconds
318
= self.properties
319
["Timeout"])
320
last_ok = isoformat_to_datetime(
321
max((self.properties["LastCheckedOK"]
322
or self.properties["Created"]),
323
self.properties["LastEnabled"]))
324
timer = timeout - (datetime.datetime.utcnow() - last_ok)
277
message = "Approval in {0}. (d)eny?"
278
else:
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"]
285
if expires == "":
286
timer = datetime.timedelta(0)
287
else:
288
expires = (datetime.datetime.strptime
289
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
timer = max(expires - datetime.datetime.utcnow(),
291
datetime.timedelta())
325
292
message = ('A checker has failed! Time until client'
326
' gets disabled: %s'
327
% unicode(timer).rsplit(".", 1)[0])
293
' gets disabled: {0}'
294
.format(str(timer).rsplit(".", 1)[0]))
295
self.using_timer(True)
328
296
else:
329
297
message = "enabled"
330
self._text = "%s%s" % (base, message)
331
298
self.using_timer(False)
299
self._text = "{0}{1}".format(base, message)
300
332
301
if not urwid.supports_unicode():
333
302
self._text = self._text.encode("ascii", "replace")
334
303
textlist = [("normal", self._text)]
346
315
self.update_hook()
347
316
348
317
def update_timer(self):
349
"called by gobject"
318
"""called by gobject. Will indefinitely loop until
319
gobject.source_remove() on tag is called"""
350
320
self.update()
351
321
return True # Keep calling this
352
322
353
def delete(self, *args, **kwargs):
323
def delete(self, **kwargs):
354
324
if self._update_timer_callback_tag is not None:
355
325
gobject.source_remove(self._update_timer_callback_tag)
356
326
self._update_timer_callback_tag = None
359
329
self.match_objects = ()
360
330
if self.delete_hook is not None:
361
331
self.delete_hook(self)
362
return super(MandosClientWidget, self).delete(*args, **kwargs)
332
return super(MandosClientWidget, self).delete(**kwargs)
363
333
364
334
def render(self, maxcolrow, focus=False):
365
335
"""Render differently if we have focus.
407
377
else:
408
378
return key
409
379
410
def property_changed(self, property=None, value=None,
411
*args, **kwargs):
380
def property_changed(self, property=None, **kwargs):
412
381
"""Call self.update() if old value is not new value.
413
382
This overrides the method from MandosClientPropertyCache"""
414
property_name = unicode(property)
383
property_name = str(property)
415
384
old_value = self.properties.get(property_name)
416
385
super(MandosClientWidget, self).property_changed(
417
property=property, value=value, *args, **kwargs)
386
property=property, **kwargs)
418
387
if self.properties.get(property_name) != old_value:
419
388
self.update()
420
389
424
393
"down" key presses, thus not allowing any containing widgets to
425
394
use them as an excuse to shift focus away from this widget.
426
395
"""
427
def keypress(self, maxcolrow, key):
428
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
396
def keypress(self, *args, **kwargs):
397
ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
429
398
if ret in ("up", "down"):
430
399
return
431
400
return ret
444
413
("normal",
445
414
"default", "default", None),
446
415
("bold",
447
"default", "default", "bold"),
416
"bold", "default", "bold"),
448
417
("underline-blink",
449
"default", "default", "underline"),
418
"underline,blink", "default", "underline,blink"),
450
419
("standout",
451
"default", "default", "standout"),
420
"standout", "default", "standout"),
452
421
("bold-underline-blink",
453
"default", "default", ("bold", "underline")),
422
"bold,underline,blink", "default", "bold,underline,blink"),
454
423
("bold-standout",
455
"default", "default", ("bold", "standout")),
424
"bold,standout", "default", "bold,standout"),
456
425
("underline-blink-standout",
457
"default", "default", ("underline", "standout")),
426
"underline,blink,standout", "default",
427
"underline,blink,standout"),
458
428
("bold-underline-blink-standout",
459
"default", "default", ("bold", "underline",
460
"standout")),
429
"bold,underline,blink,standout", "default",
430
"bold,underline,blink,standout"),
461
431
))
462
432
463
433
if urwid.supports_unicode():
495
465
496
466
self.busname = domain + '.Mandos'
497
467
self.main_loop = gobject.MainLoop()
498
self.bus = dbus.SystemBus()
499
mandos_dbus_objc = self.bus.get_object(
500
self.busname, "/", follow_name_owner_changes=True)
501
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
502
dbus_interface
503
= server_interface)
504
try:
505
mandos_clients = (self.mandos_serv
506
.GetAllClientsWithProperties())
507
except dbus.exceptions.DBusException:
508
mandos_clients = dbus.Dictionary()
509
510
(self.mandos_serv
511
.connect_to_signal("ClientRemoved",
512
self.find_and_remove_client,
513
dbus_interface=server_interface,
514
byte_arrays=True))
515
(self.mandos_serv
516
.connect_to_signal("ClientAdded",
517
self.add_new_client,
518
dbus_interface=server_interface,
519
byte_arrays=True))
520
(self.mandos_serv
521
.connect_to_signal("ClientNotFound",
522
self.client_not_found,
523
dbus_interface=server_interface,
524
byte_arrays=True))
525
for path, client in mandos_clients.iteritems():
526
client_proxy_object = self.bus.get_object(self.busname,
527
path)
528
self.add_client(MandosClientWidget(server_proxy_object
529
=self.mandos_serv,
530
proxy_object
531
=client_proxy_object,
532
properties=client,
533
update_hook
534
=self.refresh,
535
delete_hook
536
=self.remove_client,
537
logger
538
=self.log_message),
539
path=path)
540
468
541
469
def client_not_found(self, fingerprint, address):
542
self.log_message(("Client with address %s and fingerprint %s"
543
" could not be found" % (address,
544
fingerprint)))
470
self.log_message("Client with address {0} and fingerprint"
471
" {1} could not be found"
472
.format(address, fingerprint))
545
473
546
474
def rebuild(self):
547
475
"""This rebuilds the User Interface.
557
485
self.divider)))
558
486
if self.log_visible:
559
487
self.uilist.append(self.logbox)
560
pass
561
488
self.topwidget = urwid.Pile(self.uilist)
562
489
563
490
def log_message(self, message):
491
"""Log message formatted with timestamp"""
564
492
timestamp = datetime.datetime.now().isoformat()
565
493
self.log_message_raw(timestamp + ": " + message)
566
494
579
507
self.log_visible = not self.log_visible
580
508
self.rebuild()
581
509
#self.log_message("Log visibility changed to: "
582
# + unicode(self.log_visible))
510
# + str(self.log_visible))
583
511
584
512
def change_log_display(self):
585
513
"""Change type of log display.
601
529
client = self.clients_dict[path]
602
530
except KeyError:
603
531
# not found?
604
self.log_message("Unknown client %r (%r) removed", name,
605
path)
532
self.log_message("Unknown client {0!r} ({1!r}) removed"
533
.format(name, path))
606
534
return
607
535
client.delete()
608
536
625
553
if path is None:
626
554
path = client.proxy.object_path
627
555
self.clients_dict[path] = client
628
self.clients.sort(None, lambda c: c.properties["Name"])
556
self.clients.sort(key=lambda c: c.properties["Name"])
629
557
self.refresh()
630
558
631
559
def remove_client(self, client, path=None):
633
561
if path is None:
634
562
path = client.proxy.object_path
635
563
del self.clients_dict[path]
636
if not self.clients_dict:
637
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
638
# is completely emptied, we need to recreate it.
639
self.clients = urwid.SimpleListWalker([])
640
self.rebuild()
641
564
self.refresh()
642
565
643
566
def refresh(self):
647
570
648
571
def run(self):
649
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,
577
dbus_interface
578
= server_interface)
579
try:
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()
587
588
(self.mandos_serv
589
.connect_to_signal("ClientRemoved",
590
self.find_and_remove_client,
591
dbus_interface=server_interface,
592
byte_arrays=True))
593
(self.mandos_serv
594
.connect_to_signal("ClientAdded",
595
self.add_new_client,
596
dbus_interface=server_interface,
597
byte_arrays=True))
598
(self.mandos_serv
599
.connect_to_signal("ClientNotFound",
600
self.client_not_found,
601
dbus_interface=server_interface,
602
byte_arrays=True))
603
for path, client in mandos_clients.items():
604
client_proxy_object = self.bus.get_object(self.busname,
605
path)
606
self.add_client(MandosClientWidget(server_proxy_object
607
=self.mandos_serv,
608
proxy_object
609
=client_proxy_object,
610
properties=client,
611
update_hook
612
=self.refresh,
613
delete_hook
614
=self.remove_client,
615
logger
616
=self.log_message),
617
path=path)
618
650
619
self.refresh()
651
620
self._input_callback_tag = (gobject.io_add_watch
652
621
(sys.stdin.fileno(),
749
718
ui.run()
750
719
except KeyboardInterrupt:
751
720
ui.screen.stop()
752
except Exception, e:
753
ui.log_message(unicode(e))
721
except Exception as e:
722
ui.log_message(str(e))
754
723
ui.screen.stop()
755
724
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0