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- Committer: Teddy Hogeborn
- Date: 2013-10-13 15:43:42 UTC
- Revision ID: teddy@recompile.se-20131013154342-2ztabynqog6xuk0t
* initramfs-unpack: Bug fix: Made executable.
- files added:
- debian/mandos-client.examples
- network-hooks.d
- files modified:
- .bzrignore
added
removed
mandos-monitor
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#
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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 © 2009-2012 Teddy Hogeborn
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# Copyright © 2009-2012 Björn Påhlsson
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#
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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/>.
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#
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# Contact the authors at <mandos@fukt.bsnet.se>.
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# Contact the authors at <mandos@recompile.se>.
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#
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from __future__ import division, absolute_import, print_function, unicode_literals
26
from __future__ import (division, absolute_import, print_function,
27
unicode_literals)
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try:
29
from future_builtins import *
30
except ImportError:
31
pass
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27
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import sys
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34
import os
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40
import urwid
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41
36
42
from dbus.mainloop.glib import DBusGMainLoop
37
import gobject
43
try:
44
import gobject
45
except ImportError:
46
from gi.repository import GObject as gobject
38
47
39
48
import dbus
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49
41
import UserList
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50
import locale
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51
52
if sys.version_info[0] == 2:
53
str = unicode
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45
55
locale.setlocale(locale.LC_ALL, '')
46
56
47
57
import logging
48
58
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
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50
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# Some useful constants
51
domain = 'se.bsnet.fukt'
61
domain = 'se.recompile'
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62
server_interface = domain + '.Mandos'
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63
client_interface = domain + '.Mandos.Client'
54
version = "1.3.0"
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# Always run in monochrome mode
57
urwid.curses_display.curses.has_colors = lambda : False
58
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
version = "1.6.0"
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65
64
66
def isoformat_to_datetime(iso):
65
67
"Parse an ISO 8601 date string to a datetime.datetime()"
82
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properties and calls a hook function when any of them are
83
85
changed.
84
86
"""
85
def __init__(self, proxy_object=None, *args, **kwargs):
87
def __init__(self, proxy_object=None, properties=None, **kwargs):
86
88
self.proxy = proxy_object # Mandos Client proxy object
87
88
self.properties = dict()
89
self.proxy.connect_to_signal("PropertyChanged",
90
self.property_changed,
91
client_interface,
92
byte_arrays=True)
93
94
self.properties.update(
95
self.proxy.GetAll(client_interface,
96
dbus_interface = dbus.PROPERTIES_IFACE))
97
98
#XXX This break good super behaviour!
99
# super(MandosClientPropertyCache, self).__init__(
100
# *args, **kwargs)
89
self.properties = dict() if properties is None else properties
90
self.property_changed_match = (
91
self.proxy.connect_to_signal("PropertyChanged",
92
self._property_changed,
93
client_interface,
94
byte_arrays=True))
95
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)
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107
102
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def property_changed(self, property=None, value=None):
103
109
"""This is called whenever we get a PropertyChanged signal
105
111
"""
106
112
# Update properties dict with new value
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113
self.properties[property] = value
114
115
def delete(self):
116
self.property_changed_match.remove()
108
117
109
118
110
119
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
112
121
"""
113
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114
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def __init__(self, server_proxy_object=None, update_hook=None,
115
delete_hook=None, logger=None, *args, **kwargs):
124
delete_hook=None, logger=None, **kwargs):
116
125
# Called on update
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126
self.update_hook = update_hook
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# Called on delete
123
132
self.logger = logger
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133
125
134
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
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129
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# The widget shown normally
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137
self._text_widget = urwid.Text("")
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# The widget shown when we have focus
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self._focus_text_widget = urwid.Text("")
133
super(MandosClientWidget, self).__init__(
134
update_hook=update_hook, delete_hook=delete_hook,
135
*args, **kwargs)
140
super(MandosClientWidget, self).__init__(**kwargs)
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141
self.update()
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142
self.opened = False
138
143
139
last_checked_ok = isoformat_to_datetime(self.properties
140
["LastCheckedOK"])
141
if last_checked_ok is None:
142
self.last_checker_failed = True
143
else:
144
self.last_checker_failed = ((datetime.datetime.utcnow()
145
- last_checked_ok)
146
> datetime.timedelta
147
(milliseconds=
148
self.properties
149
["Interval"]))
150
151
if self.last_checker_failed:
152
self.using_timer(True)
153
154
if self.need_approval:
155
self.using_timer(True)
156
157
self.proxy.connect_to_signal("CheckerCompleted",
158
self.checker_completed,
159
client_interface,
160
byte_arrays=True)
161
self.proxy.connect_to_signal("CheckerStarted",
162
self.checker_started,
163
client_interface,
164
byte_arrays=True)
165
self.proxy.connect_to_signal("GotSecret",
166
self.got_secret,
167
client_interface,
168
byte_arrays=True)
169
self.proxy.connect_to_signal("NeedApproval",
170
self.need_approval,
171
client_interface,
172
byte_arrays=True)
173
self.proxy.connect_to_signal("Rejected",
174
self.rejected,
175
client_interface,
176
byte_arrays=True)
144
self.match_objects = (
145
self.proxy.connect_to_signal("CheckerCompleted",
146
self.checker_completed,
147
client_interface,
148
byte_arrays=True),
149
self.proxy.connect_to_signal("CheckerStarted",
150
self.checker_started,
151
client_interface,
152
byte_arrays=True),
153
self.proxy.connect_to_signal("GotSecret",
154
self.got_secret,
155
client_interface,
156
byte_arrays=True),
157
self.proxy.connect_to_signal("NeedApproval",
158
self.need_approval,
159
client_interface,
160
byte_arrays=True),
161
self.proxy.connect_to_signal("Rejected",
162
self.rejected,
163
client_interface,
164
byte_arrays=True))
165
#self.logger('Created client {0}'
166
# .format(self.properties["Name"]))
177
167
178
def property_changed(self, property=None, value=None):
179
super(self, MandosClientWidget).property_changed(property,
180
value)
181
if property == "ApprovalPending":
182
using_timer(bool(value))
183
184
168
def using_timer(self, flag):
185
169
"""Call this method with True or False when timer should be
186
170
activated or deactivated.
187
171
"""
188
old = self._update_timer_callback_lock
189
if flag:
190
self._update_timer_callback_lock += 1
191
else:
192
self._update_timer_callback_lock -= 1
193
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
194
174
self._update_timer_callback_tag = (gobject.timeout_add
195
175
(1000,
196
176
self.update_timer))
197
elif old and self._update_timer_callback_lock == 0:
177
elif not (flag or self._update_timer_callback_tag is None):
198
178
gobject.source_remove(self._update_timer_callback_tag)
199
179
self._update_timer_callback_tag = None
200
180
201
181
def checker_completed(self, exitstatus, condition, command):
202
182
if exitstatus == 0:
203
if self.last_checker_failed:
204
self.last_checker_failed = False
205
self.using_timer(False)
206
#self.logger('Checker for client %s (command "%s")'
207
# ' was successful'
208
# % (self.properties["Name"], command))
209
183
self.update()
210
184
return
211
185
# Checker failed
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
215
186
if os.WIFEXITED(condition):
216
self.logger('Checker for client %s (command "%s")'
217
' failed with exit code %s'
218
% (self.properties["Name"], command,
219
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)))
220
191
elif os.WIFSIGNALED(condition):
221
self.logger('Checker for client %s (command "%s")'
222
' was killed by signal %s'
223
% (self.properties["Name"], command,
224
os.WTERMSIG(condition)))
192
self.logger('Checker for client {0} (command "{1}") was'
193
' killed by signal {2}'
194
.format(self.properties["Name"], command,
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os.WTERMSIG(condition)))
225
196
elif os.WCOREDUMP(condition):
226
self.logger('Checker for client %s (command "%s")'
197
self.logger('Checker for client {0} (command "{1}")'
227
198
' dumped core'
228
% (self.properties["Name"], command))
199
.format(self.properties["Name"], command))
229
200
else:
230
self.logger('Checker for client %s completed'
231
' mysteriously')
201
self.logger('Checker for client {0} completed'
202
' mysteriously'
203
.format(self.properties["Name"]))
232
204
self.update()
233
205
234
206
def checker_started(self, command):
235
#self.logger('Client %s started checker "%s"'
236
# % (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)))
237
212
pass
238
213
239
214
def got_secret(self):
240
self.last_checker_failed = False
241
self.logger('Client %s received its secret'
242
% self.properties["Name"])
215
self.logger('Client {0} received its secret'
216
.format(self.properties["Name"]))
243
217
244
218
def need_approval(self, timeout, default):
245
219
if not default:
246
message = 'Client %s needs approval within %s seconds'
220
message = 'Client {0} needs approval within {1} seconds'
247
221
else:
248
message = 'Client %s will get its secret in %s seconds'
249
self.logger(message
250
% (self.properties["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"],
224
timeout/1000))
252
225
253
226
def rejected(self, reason):
254
self.logger('Client %s was rejected; reason: %s'
255
% (self.properties["Name"], reason))
227
self.logger('Client {0} was rejected; reason: {1}'
228
.format(self.properties["Name"], reason))
256
229
257
230
def selectable(self):
258
231
"""Make this a "selectable" widget.
280
253
"bold-underline-blink":
281
254
"bold-underline-blink-standout",
282
255
}
283
256
284
257
# Rebuild focus and non-focus widgets using current properties
285
258
286
259
# Base part of a client. Name!
287
base = ('%(name)s: '
288
% {"name": self.properties["Name"]})
260
base = '{name}: '.format(name=self.properties["Name"])
289
261
if not self.properties["Enabled"]:
290
262
message = "DISABLED"
263
self.using_timer(False)
291
264
elif self.properties["ApprovalPending"]:
292
265
timeout = datetime.timedelta(milliseconds
293
266
= self.properties
295
268
last_approval_request = isoformat_to_datetime(
296
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())
300
274
else:
301
275
timer = datetime.timedelta()
302
276
if self.properties["ApprovedByDefault"]:
303
message = "Approval in %s. (d)eny?"
304
else:
305
message = "Denial in %s. (a)pprove?"
306
message = message % unicode(timer).rsplit(".", 1)[0]
307
elif self.last_checker_failed:
308
timeout = datetime.timedelta(milliseconds
309
= self.properties
310
["Timeout"])
311
last_ok = isoformat_to_datetime(
312
max((self.properties["LastCheckedOK"]
313
or self.properties["Created"]),
314
self.properties["LastEnabled"]))
315
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())
316
292
message = ('A checker has failed! Time until client'
317
' gets disabled: %s'
318
% unicode(timer).rsplit(".", 1)[0])
293
' gets disabled: {0}'
294
.format(str(timer).rsplit(".", 1)[0]))
295
self.using_timer(True)
319
296
else:
320
297
message = "enabled"
321
self._text = "%s%s" % (base, message)
322
298
self.using_timer(False)
299
self._text = "{0}{1}".format(base, message)
300
323
301
if not urwid.supports_unicode():
324
302
self._text = self._text.encode("ascii", "replace")
325
303
textlist = [("normal", self._text)]
337
315
self.update_hook()
338
316
339
317
def update_timer(self):
340
"called by gobject"
318
"""called by gobject. Will indefinitely loop until
319
gobject.source_remove() on tag is called"""
341
320
self.update()
342
321
return True # Keep calling this
343
322
344
def delete(self):
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:
328
match.remove()
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)
350
333
351
334
def render(self, maxcolrow, focus=False):
352
335
"""Render differently if we have focus.
394
377
else:
395
378
return key
396
379
397
def property_changed(self, property=None, value=None,
398
*args, **kwargs):
380
def property_changed(self, property=None, **kwargs):
399
381
"""Call self.update() if old value is not new value.
400
382
This overrides the method from MandosClientPropertyCache"""
401
property_name = unicode(property)
383
property_name = str(property)
402
384
old_value = self.properties.get(property_name)
403
385
super(MandosClientWidget, self).property_changed(
404
property=property, value=value, *args, **kwargs)
386
property=property, **kwargs)
405
387
if self.properties.get(property_name) != old_value:
406
388
self.update()
407
389
411
393
"down" key presses, thus not allowing any containing widgets to
412
394
use them as an excuse to shift focus away from this widget.
413
395
"""
414
def keypress(self, maxcolrow, key):
415
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
396
def keypress(self, *args, **kwargs):
397
ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
416
398
if ret in ("up", "down"):
417
399
return
418
400
return ret
431
413
("normal",
432
414
"default", "default", None),
433
415
("bold",
434
"default", "default", "bold"),
416
"bold", "default", "bold"),
435
417
("underline-blink",
436
"default", "default", "underline"),
418
"underline,blink", "default", "underline,blink"),
437
419
("standout",
438
"default", "default", "standout"),
420
"standout", "default", "standout"),
439
421
("bold-underline-blink",
440
"default", "default", ("bold", "underline")),
422
"bold,underline,blink", "default", "bold,underline,blink"),
441
423
("bold-standout",
442
"default", "default", ("bold", "standout")),
424
"bold,standout", "default", "bold,standout"),
443
425
("underline-blink-standout",
444
"default", "default", ("underline", "standout")),
426
"underline,blink,standout", "default",
427
"underline,blink,standout"),
445
428
("bold-underline-blink-standout",
446
"default", "default", ("bold", "underline",
447
"standout")),
429
"bold,underline,blink,standout", "default",
430
"bold,underline,blink,standout"),
448
431
))
449
432
450
433
if urwid.supports_unicode():
482
465
483
466
self.busname = domain + '.Mandos'
484
467
self.main_loop = gobject.MainLoop()
485
self.bus = dbus.SystemBus()
486
mandos_dbus_objc = self.bus.get_object(
487
self.busname, "/", follow_name_owner_changes=True)
488
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
489
dbus_interface
490
= server_interface)
491
try:
492
mandos_clients = (self.mandos_serv
493
.GetAllClientsWithProperties())
494
except dbus.exceptions.DBusException:
495
mandos_clients = dbus.Dictionary()
496
497
(self.mandos_serv
498
.connect_to_signal("ClientRemoved",
499
self.find_and_remove_client,
500
dbus_interface=server_interface,
501
byte_arrays=True))
502
(self.mandos_serv
503
.connect_to_signal("ClientAdded",
504
self.add_new_client,
505
dbus_interface=server_interface,
506
byte_arrays=True))
507
(self.mandos_serv
508
.connect_to_signal("ClientNotFound",
509
self.client_not_found,
510
dbus_interface=server_interface,
511
byte_arrays=True))
512
for path, client in mandos_clients.iteritems():
513
client_proxy_object = self.bus.get_object(self.busname,
514
path)
515
self.add_client(MandosClientWidget(server_proxy_object
516
=self.mandos_serv,
517
proxy_object
518
=client_proxy_object,
519
properties=client,
520
update_hook
521
=self.refresh,
522
delete_hook
523
=self.remove_client,
524
logger
525
=self.log_message),
526
path=path)
527
468
528
469
def client_not_found(self, fingerprint, address):
529
self.log_message(("Client with address %s and fingerprint %s"
530
" could not be found" % (address,
531
fingerprint)))
470
self.log_message("Client with address {0} and fingerprint"
471
" {1} could not be found"
472
.format(address, fingerprint))
532
473
533
474
def rebuild(self):
534
475
"""This rebuilds the User Interface.
544
485
self.divider)))
545
486
if self.log_visible:
546
487
self.uilist.append(self.logbox)
547
pass
548
488
self.topwidget = urwid.Pile(self.uilist)
549
489
550
490
def log_message(self, message):
491
"""Log message formatted with timestamp"""
551
492
timestamp = datetime.datetime.now().isoformat()
552
493
self.log_message_raw(timestamp + ": " + message)
553
494
566
507
self.log_visible = not self.log_visible
567
508
self.rebuild()
568
509
#self.log_message("Log visibility changed to: "
569
# + unicode(self.log_visible))
510
# + str(self.log_visible))
570
511
571
512
def change_log_display(self):
572
513
"""Change type of log display.
580
521
#self.log_message("Wrap mode: " + self.log_wrap)
581
522
582
523
def find_and_remove_client(self, path, name):
583
"""Find an client from its object path and remove it.
524
"""Find a client by its object path and remove it.
584
525
585
526
This is connected to the ClientRemoved signal from the
586
527
Mandos server object."""
588
529
client = self.clients_dict[path]
589
530
except KeyError:
590
531
# not found?
532
self.log_message("Unknown client {0!r} ({1!r}) removed"
533
.format(name, path))
591
534
return
592
self.remove_client(client, path)
535
client.delete()
593
536
594
537
def add_new_client(self, path):
595
538
client_proxy_object = self.bus.get_object(self.busname, path)
610
553
if path is None:
611
554
path = client.proxy.object_path
612
555
self.clients_dict[path] = client
613
self.clients.sort(None, lambda c: c.properties["Name"])
556
self.clients.sort(key=lambda c: c.properties["Name"])
614
557
self.refresh()
615
558
616
559
def remove_client(self, client, path=None):
618
561
if path is None:
619
562
path = client.proxy.object_path
620
563
del self.clients_dict[path]
621
if not self.clients_dict:
622
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
623
# is completely emptied, we need to recreate it.
624
self.clients = urwid.SimpleListWalker([])
625
self.rebuild()
626
564
self.refresh()
627
565
628
566
def refresh(self):
632
570
633
571
def run(self):
634
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
635
619
self.refresh()
636
620
self._input_callback_tag = (gobject.io_add_watch
637
621
(sys.stdin.fileno(),
734
718
ui.run()
735
719
except KeyboardInterrupt:
736
720
ui.screen.stop()
737
except Exception, e:
738
ui.log_message(unicode(e))
721
except Exception as e:
722
ui.log_message(str(e))
739
723
ui.screen.stop()
740
724
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0