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- Committer: Teddy Hogeborn
- Date: 2015-05-31 20:12:27 UTC
- mfrom: (749.1.2 multiprocessing-exec)
- Revision ID: teddy@recompile.se-20150531201227-u3n1z1ito5siqh7c
Merge change to use multiprocessing module to run checkers.
- files added:
- debian/mandos-client.examples
- debian/upstream
- 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 © 2009-2015 Teddy Hogeborn
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# Copyright © 2009-2015 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,
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unicode_literals)
28
try:
29
from future_builtins import *
30
except ImportError:
31
pass
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import sys
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import os
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import signal
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import datetime
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import urwid
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40
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from dbus.mainloop.glib import DBusGMainLoop
38
import gobject
42
try:
43
import gobject
44
except ImportError:
45
from gi.repository import GObject as gobject
39
46
40
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import dbus
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import UserList
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import locale
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50
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if sys.version_info.major == 2:
52
str = unicode
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46
54
locale.setlocale(locale.LC_ALL, '')
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55
48
56
import logging
49
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
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51
59
# Some useful constants
52
domain = 'se.bsnet.fukt'
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domain = 'se.recompile'
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server_interface = domain + '.Mandos'
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62
client_interface = domain + '.Mandos.Client'
55
version = "1.3.1"
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# Always run in monochrome mode
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urwid.curses_display.curses.has_colors = lambda : False
59
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# 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)
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version = "1.6.9"
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65
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def isoformat_to_datetime(iso):
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"Parse an ISO 8601 date string to a datetime.datetime()"
83
83
properties and calls a hook function when any of them are
84
84
changed.
85
85
"""
86
def __init__(self, proxy_object=None, *args, **kwargs):
86
def __init__(self, proxy_object=None, properties=None, **kwargs):
87
87
self.proxy = proxy_object # Mandos Client proxy object
88
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self.properties = dict()
88
self.properties = dict() if properties is None else properties
90
89
self.property_changed_match = (
91
self.proxy.connect_to_signal("PropertyChanged",
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self.property_changed,
93
client_interface,
90
self.proxy.connect_to_signal("PropertiesChanged",
91
self.properties_changed,
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dbus.PROPERTIES_IFACE,
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byte_arrays=True))
95
94
96
self.properties.update(
97
self.proxy.GetAll(client_interface,
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dbus_interface = dbus.PROPERTIES_IFACE))
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#XXX This breaks good super behaviour
101
# super(MandosClientPropertyCache, self).__init__(
102
# *args, **kwargs)
95
if properties is None:
96
self.properties.update(
97
self.proxy.GetAll(client_interface,
98
dbus_interface
99
= dbus.PROPERTIES_IFACE))
100
101
super(MandosClientPropertyCache, self).__init__(**kwargs)
103
102
104
def property_changed(self, property=None, value=None):
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"""This is called whenever we get a PropertyChanged signal
106
It updates the changed property in the "properties" dict.
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.
107
106
"""
108
107
# Update properties dict with new value
109
self.properties[property] = value
108
self.properties.update(properties)
110
109
111
def delete(self, *args, **kwargs):
110
def delete(self):
112
111
self.property_changed_match.remove()
113
super(MandosClientPropertyCache, self).__init__(
114
*args, **kwargs)
115
112
116
113
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
116
"""
120
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121
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def __init__(self, server_proxy_object=None, update_hook=None,
122
delete_hook=None, logger=None, *args, **kwargs):
119
delete_hook=None, logger=None, **kwargs):
123
120
# Called on update
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121
self.update_hook = update_hook
125
122
# Called on delete
130
127
self.logger = logger
131
128
132
129
self._update_timer_callback_tag = None
133
self._update_timer_callback_lock = 0
134
self.last_checker_failed = False
135
130
136
131
# The widget shown normally
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132
self._text_widget = urwid.Text("")
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133
# The widget shown when we have focus
139
134
self._focus_text_widget = urwid.Text("")
140
super(MandosClientWidget, self).__init__(
141
update_hook=update_hook, delete_hook=delete_hook,
142
*args, **kwargs)
135
super(MandosClientWidget, self).__init__(**kwargs)
143
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self.update()
144
137
self.opened = False
145
138
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
139
self.match_objects = (
165
140
self.proxy.connect_to_signal("CheckerCompleted",
166
141
self.checker_completed,
182
157
self.rejected,
183
158
client_interface,
184
159
byte_arrays=True))
185
#self.logger('Created client %s' % (self.properties["Name"]))
160
self.logger('Created client {}'
161
.format(self.properties["Name"]), level=0)
186
162
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
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def using_timer(self, flag):
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"""Call this method with True or False when timer should be
195
165
activated or deactivated.
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"""
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:
167
if flag and self._update_timer_callback_tag is None:
168
# Will update the shown timer value every second
203
169
self._update_timer_callback_tag = (gobject.timeout_add
204
170
(1000,
205
171
self.update_timer))
206
elif old and self._update_timer_callback_lock == 0:
172
elif not (flag or self._update_timer_callback_tag is None):
207
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gobject.source_remove(self._update_timer_callback_tag)
208
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self._update_timer_callback_tag = None
209
175
210
def checker_completed(self, exitstatus, condition, command):
176
def checker_completed(self, exitstatus, signal, command):
211
177
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))
178
self.logger('Checker for client {} (command "{}")'
179
' succeeded'.format(self.properties["Name"],
180
command), level=0)
218
181
self.update()
219
182
return
220
183
# Checker failed
221
if not self.last_checker_failed:
222
self.last_checker_failed = True
223
self.using_timer(True)
224
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)))
229
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)))
234
elif os.WCOREDUMP(condition):
235
self.logger('Checker for client %s (command "%s")'
236
' dumped core'
237
% (self.properties["Name"], command))
184
if exitstatus >= 0:
185
self.logger('Checker for client {} (command "{}") failed'
186
' with exit code {}'
187
.format(self.properties["Name"], command,
188
exitstatus))
189
elif signal != 0:
190
self.logger('Checker for client {} (command "{}") was'
191
' killed by signal {}'
192
.format(self.properties["Name"], command,
193
signal))
238
194
else:
239
self.logger('Checker for client %s completed'
240
' mysteriously')
195
self.logger('Checker for client {} completed'
196
' mysteriously'
197
.format(self.properties["Name"]))
241
198
self.update()
242
199
243
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def checker_started(self, command):
244
#self.logger('Client %s started checker "%s"'
245
# % (self.properties["Name"], unicode(command)))
246
pass
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"""Server signals that a checker started."""
202
self.logger('Client {} started checker "{}"'
203
.format(self.properties["Name"],
204
command), level=0)
247
205
248
206
def got_secret(self):
249
self.last_checker_failed = False
250
self.logger('Client %s received its secret'
251
% self.properties["Name"])
207
self.logger('Client {} received its secret'
208
.format(self.properties["Name"]))
252
209
253
210
def need_approval(self, timeout, default):
254
211
if not default:
255
message = 'Client %s needs approval within %s seconds'
212
message = 'Client {} needs approval within {} seconds'
256
213
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)
214
message = 'Client {} will get its secret in {} seconds'
215
self.logger(message.format(self.properties["Name"],
216
timeout/1000))
261
217
262
218
def rejected(self, reason):
263
self.logger('Client %s was rejected; reason: %s'
264
% (self.properties["Name"], reason))
219
self.logger('Client {} was rejected; reason: {}'
220
.format(self.properties["Name"], reason))
265
221
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222
def selectable(self):
267
223
"""Make this a "selectable" widget.
289
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"bold-underline-blink":
290
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"bold-underline-blink-standout",
291
247
}
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293
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# Rebuild focus and non-focus widgets using current properties
294
250
295
251
# Base part of a client. Name!
296
base = ('%(name)s: '
297
% {"name": self.properties["Name"]})
252
base = '{name}: '.format(name=self.properties["Name"])
298
253
if not self.properties["Enabled"]:
299
254
message = "DISABLED"
255
self.using_timer(False)
300
256
elif self.properties["ApprovalPending"]:
301
257
timeout = datetime.timedelta(milliseconds
302
258
= self.properties
304
260
last_approval_request = isoformat_to_datetime(
305
261
self.properties["LastApprovalRequest"])
306
262
if last_approval_request is not None:
307
timer = timeout - (datetime.datetime.utcnow()
308
- last_approval_request)
263
timer = max(timeout - (datetime.datetime.utcnow()
264
- last_approval_request),
265
datetime.timedelta())
309
266
else:
310
267
timer = datetime.timedelta()
311
268
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)
269
message = "Approval in {}. (d)eny?"
270
else:
271
message = "Denial in {}. (a)pprove?"
272
message = message.format(str(timer).rsplit(".", 1)[0])
273
self.using_timer(True)
274
elif self.properties["LastCheckerStatus"] != 0:
275
# When checker has failed, show timer until client expires
276
expires = self.properties["Expires"]
277
if expires == "":
278
timer = datetime.timedelta(0)
279
else:
280
expires = (datetime.datetime.strptime
281
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
282
timer = max(expires - datetime.datetime.utcnow(),
283
datetime.timedelta())
325
284
message = ('A checker has failed! Time until client'
326
' gets disabled: %s'
327
% unicode(timer).rsplit(".", 1)[0])
285
' gets disabled: {}'
286
.format(str(timer).rsplit(".", 1)[0]))
287
self.using_timer(True)
328
288
else:
329
289
message = "enabled"
330
self._text = "%s%s" % (base, message)
331
290
self.using_timer(False)
291
self._text = "{}{}".format(base, message)
292
332
293
if not urwid.supports_unicode():
333
294
self._text = self._text.encode("ascii", "replace")
334
295
textlist = [("normal", self._text)]
346
307
self.update_hook()
347
308
348
309
def update_timer(self):
349
"called by gobject"
310
"""called by gobject. Will indefinitely loop until
311
gobject.source_remove() on tag is called"""
350
312
self.update()
351
313
return True # Keep calling this
352
314
353
def delete(self, *args, **kwargs):
315
def delete(self, **kwargs):
354
316
if self._update_timer_callback_tag is not None:
355
317
gobject.source_remove(self._update_timer_callback_tag)
356
318
self._update_timer_callback_tag = None
359
321
self.match_objects = ()
360
322
if self.delete_hook is not None:
361
323
self.delete_hook(self)
362
return super(MandosClientWidget, self).delete(*args, **kwargs)
324
return super(MandosClientWidget, self).delete(**kwargs)
363
325
364
326
def render(self, maxcolrow, focus=False):
365
327
"""Render differently if we have focus.
407
369
else:
408
370
return key
409
371
410
def property_changed(self, property=None, value=None,
411
*args, **kwargs):
412
"""Call self.update() if old value is not new value.
372
def properties_changed(self, interface, properties, invalidated):
373
"""Call self.update() if any properties changed.
413
374
This overrides the method from MandosClientPropertyCache"""
414
property_name = unicode(property)
415
old_value = self.properties.get(property_name)
416
super(MandosClientWidget, self).property_changed(
417
property=property, value=value, *args, **kwargs)
418
if self.properties.get(property_name) != old_value:
375
old_values = { key: self.properties.get(key)
376
for key in properties.keys() }
377
super(MandosClientWidget, self).properties_changed(
378
interface, properties, invalidated)
379
if any(old_values[key] != self.properties.get(key)
380
for key in old_values):
419
381
self.update()
420
382
421
383
424
386
"down" key presses, thus not allowing any containing widgets to
425
387
use them as an excuse to shift focus away from this widget.
426
388
"""
427
def keypress(self, maxcolrow, key):
428
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
389
def keypress(self, *args, **kwargs):
390
ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
429
391
if ret in ("up", "down"):
430
392
return
431
393
return ret
435
397
"""This is the entire user interface - the whole screen
436
398
with boxes, lists of client widgets, etc.
437
399
"""
438
def __init__(self, max_log_length=1000):
400
def __init__(self, max_log_length=1000, log_level=1):
439
401
DBusGMainLoop(set_as_default=True)
440
402
441
403
self.screen = urwid.curses_display.Screen()
444
406
("normal",
445
407
"default", "default", None),
446
408
("bold",
447
"default", "default", "bold"),
409
"bold", "default", "bold"),
448
410
("underline-blink",
449
"default", "default", "underline"),
411
"underline,blink", "default", "underline,blink"),
450
412
("standout",
451
"default", "default", "standout"),
413
"standout", "default", "standout"),
452
414
("bold-underline-blink",
453
"default", "default", ("bold", "underline")),
415
"bold,underline,blink", "default", "bold,underline,blink"),
454
416
("bold-standout",
455
"default", "default", ("bold", "standout")),
417
"bold,standout", "default", "bold,standout"),
456
418
("underline-blink-standout",
457
"default", "default", ("underline", "standout")),
419
"underline,blink,standout", "default",
420
"underline,blink,standout"),
458
421
("bold-underline-blink-standout",
459
"default", "default", ("bold", "underline",
460
"standout")),
422
"bold,underline,blink,standout", "default",
423
"bold,underline,blink,standout"),
461
424
))
462
425
463
426
if urwid.supports_unicode():
478
441
self.log = []
479
442
self.max_log_length = max_log_length
480
443
444
self.log_level = log_level
445
481
446
# We keep a reference to the log widget so we can remove it
482
447
# from the ListWalker without it getting destroyed
483
448
self.logbox = ConstrainedListBox(self.log)
495
460
496
461
self.busname = domain + '.Mandos'
497
462
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
463
541
464
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)))
465
self.log_message("Client with address {} and fingerprint {}"
466
" could not be found"
467
.format(address, fingerprint))
545
468
546
469
def rebuild(self):
547
470
"""This rebuilds the User Interface.
557
480
self.divider)))
558
481
if self.log_visible:
559
482
self.uilist.append(self.logbox)
560
pass
561
483
self.topwidget = urwid.Pile(self.uilist)
562
484
563
def log_message(self, message):
485
def log_message(self, message, level=1):
486
"""Log message formatted with timestamp"""
487
if level < self.log_level:
488
return
564
489
timestamp = datetime.datetime.now().isoformat()
565
self.log_message_raw(timestamp + ": " + message)
490
self.log_message_raw("{}: {}".format(timestamp, message),
491
level=level)
566
492
567
def log_message_raw(self, markup):
493
def log_message_raw(self, markup, level=1):
568
494
"""Add a log message to the log buffer."""
495
if level < self.log_level:
496
return
569
497
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
570
498
if (self.max_log_length
571
499
and len(self.log) > self.max_log_length):
578
506
"""Toggle visibility of the log buffer."""
579
507
self.log_visible = not self.log_visible
580
508
self.rebuild()
581
#self.log_message("Log visibility changed to: "
582
# + unicode(self.log_visible))
509
self.log_message("Log visibility changed to: {}"
510
.format(self.log_visible), level=0)
583
511
584
512
def change_log_display(self):
585
513
"""Change type of log display.
590
518
self.log_wrap = "clip"
591
519
for textwidget in self.log:
592
520
textwidget.set_wrap_mode(self.log_wrap)
593
#self.log_message("Wrap mode: " + self.log_wrap)
521
self.log_message("Wrap mode: {}".format(self.log_wrap),
522
level=0)
594
523
595
524
def find_and_remove_client(self, path, name):
596
525
"""Find a client by its object path and remove it.
601
530
client = self.clients_dict[path]
602
531
except KeyError:
603
532
# not found?
604
self.log_message("Unknown client %r (%r) removed", name,
605
path)
533
self.log_message("Unknown client {!r} ({!r}) removed"
534
.format(name, path))
606
535
return
607
536
client.delete()
608
537
625
554
if path is None:
626
555
path = client.proxy.object_path
627
556
self.clients_dict[path] = client
628
self.clients.sort(None, lambda c: c.properties["Name"])
557
self.clients.sort(key=lambda c: c.properties["Name"])
629
558
self.refresh()
630
559
631
560
def remove_client(self, client, path=None):
633
562
if path is None:
634
563
path = client.proxy.object_path
635
564
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
565
self.refresh()
642
566
643
567
def refresh(self):
647
571
648
572
def run(self):
649
573
"""Start the main loop and exit when it's done."""
574
self.bus = dbus.SystemBus()
575
mandos_dbus_objc = self.bus.get_object(
576
self.busname, "/", follow_name_owner_changes=True)
577
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
578
dbus_interface
579
= server_interface)
580
try:
581
mandos_clients = (self.mandos_serv
582
.GetAllClientsWithProperties())
583
if not mandos_clients:
584
self.log_message_raw(("bold", "Note: Server has no clients."))
585
except dbus.exceptions.DBusException:
586
self.log_message_raw(("bold", "Note: No Mandos server running."))
587
mandos_clients = dbus.Dictionary()
588
589
(self.mandos_serv
590
.connect_to_signal("ClientRemoved",
591
self.find_and_remove_client,
592
dbus_interface=server_interface,
593
byte_arrays=True))
594
(self.mandos_serv
595
.connect_to_signal("ClientAdded",
596
self.add_new_client,
597
dbus_interface=server_interface,
598
byte_arrays=True))
599
(self.mandos_serv
600
.connect_to_signal("ClientNotFound",
601
self.client_not_found,
602
dbus_interface=server_interface,
603
byte_arrays=True))
604
for path, client in mandos_clients.items():
605
client_proxy_object = self.bus.get_object(self.busname,
606
path)
607
self.add_client(MandosClientWidget(server_proxy_object
608
=self.mandos_serv,
609
proxy_object
610
=client_proxy_object,
611
properties=client,
612
update_hook
613
=self.refresh,
614
delete_hook
615
=self.remove_client,
616
logger
617
=self.log_message),
618
path=path)
619
650
620
self.refresh()
651
621
self._input_callback_tag = (gobject.io_add_watch
652
622
(sys.stdin.fileno(),
684
654
elif key == "window resize":
685
655
self.size = self.screen.get_cols_rows()
686
656
self.refresh()
687
elif key == "\f": # Ctrl-L
657
elif key == "ctrl l":
658
self.screen.clear()
688
659
self.refresh()
689
660
elif key == "l" or key == "D":
690
661
self.toggle_log_display()
702
673
"?: Help",
703
674
"l: Log window toggle",
704
675
"TAB: Switch window",
705
"w: Wrap (log)"))))
676
"w: Wrap (log lines)",
677
"v: Toggle verbose log",
678
))))
706
679
self.log_message_raw(("bold",
707
680
" "
708
681
.join(("Clients:",
721
694
else:
722
695
self.topwidget.set_focus(self.logbox)
723
696
self.refresh()
697
elif key == "v":
698
if self.log_level == 0:
699
self.log_level = 1
700
self.log_message("Verbose mode: Off")
701
else:
702
self.log_level = 0
703
self.log_message("Verbose mode: On")
724
704
#elif (key == "end" or key == "meta >" or key == "G"
725
705
# or key == ">"):
726
706
# pass # xxx end-of-buffer
749
729
ui.run()
750
730
except KeyboardInterrupt:
751
731
ui.screen.stop()
752
except Exception, e:
753
ui.log_message(unicode(e))
732
except Exception as e:
733
ui.log_message(str(e))
754
734
ui.screen.stop()
755
735
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0