2
2
# -*- mode: python; coding: utf-8 -*-
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2009-2011 Teddy Hogeborn
7
# Copyright © 2009-2011 Björn Påhlsson
9
# This program is free software: you can redistribute it and/or modify
10
# it under the terms of the GNU General Public License as published by
11
# the Free Software Foundation, either version 3 of the License, or
12
# (at your option) any later version.
14
# This program is distributed in the hope that it will be useful,
15
# but WITHOUT ANY WARRANTY; without even the implied warranty of
16
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17
# GNU General Public License for more details.
19
# You should have received a copy of the GNU General Public License
20
# along with this program. If not, see <http://www.gnu.org/licenses/>.
22
# Contact the authors at <mandos@fukt.bsnet.se>.
4
from __future__ import division, absolute_import, with_statement
25
from __future__ import (division, absolute_import, print_function,
102
130
self.logger = logger
104
132
self._update_timer_callback_tag = None
133
self._update_timer_callback_lock = 0
105
134
self.last_checker_failed = False
107
136
# The widget shown normally
108
self._text_widget = urwid.Text(u"")
137
self._text_widget = urwid.Text("")
109
138
# The widget shown when we have focus
110
self._focus_text_widget = urwid.Text(u"")
139
self._focus_text_widget = urwid.Text("")
111
140
super(MandosClientWidget, self).__init__(
112
141
update_hook=update_hook, delete_hook=delete_hook,
115
144
self.opened = False
116
self.proxy.connect_to_signal(u"CheckerCompleted",
117
self.checker_completed,
120
self.proxy.connect_to_signal(u"CheckerStarted",
121
self.checker_started,
124
self.proxy.connect_to_signal(u"GotSecret",
128
self.proxy.connect_to_signal(u"NeedApproval",
132
self.proxy.connect_to_signal(u"Rejected",
136
146
last_checked_ok = isoformat_to_datetime(self.properties
138
148
if last_checked_ok is None:
139
149
self.last_checker_failed = True
143
153
> datetime.timedelta
147
158
if self.last_checker_failed:
159
self.using_timer(True)
161
if self.need_approval:
162
self.using_timer(True)
164
self.match_objects = (
165
self.proxy.connect_to_signal("CheckerCompleted",
166
self.checker_completed,
169
self.proxy.connect_to_signal("CheckerStarted",
170
self.checker_started,
173
self.proxy.connect_to_signal("GotSecret",
177
self.proxy.connect_to_signal("NeedApproval",
181
self.proxy.connect_to_signal("Rejected",
185
#self.logger('Created client %s' % (self.properties["Name"]))
187
def property_changed(self, property=None, value=None):
188
super(self, MandosClientWidget).property_changed(property,
190
if property == "ApprovalPending":
191
using_timer(bool(value))
193
def using_timer(self, flag):
194
"""Call this method with True or False when timer should be
195
activated or deactivated.
197
old = self._update_timer_callback_lock
199
self._update_timer_callback_lock += 1
201
self._update_timer_callback_lock -= 1
202
if old == 0 and self._update_timer_callback_lock:
203
# Will update the shown timer value every second
148
204
self._update_timer_callback_tag = (gobject.timeout_add
150
206
self.update_timer))
207
elif old and self._update_timer_callback_lock == 0:
208
gobject.source_remove(self._update_timer_callback_tag)
209
self._update_timer_callback_tag = None
152
211
def checker_completed(self, exitstatus, condition, command):
153
212
if exitstatus == 0:
154
213
if self.last_checker_failed:
155
214
self.last_checker_failed = False
156
gobject.source_remove(self._update_timer_callback_tag)
157
self._update_timer_callback_tag = None
158
self.logger(u'Checker for client %s (command "%s")'
160
% (self.properties[u"Name"], command))
215
self.using_timer(False)
216
#self.logger('Checker for client %s (command "%s")'
218
# % (self.properties["Name"], command))
164
222
if not self.last_checker_failed:
165
223
self.last_checker_failed = True
166
self._update_timer_callback_tag = (gobject.timeout_add
224
self.using_timer(True)
169
225
if os.WIFEXITED(condition):
170
self.logger(u'Checker for client %s (command "%s")'
171
u' failed with exit code %s'
172
% (self.properties[u"Name"], command,
226
self.logger('Checker for client %s (command "%s")'
227
' failed with exit code %s'
228
% (self.properties["Name"], command,
173
229
os.WEXITSTATUS(condition)))
174
230
elif os.WIFSIGNALED(condition):
175
self.logger(u'Checker for client %s (command "%s")'
176
u' was killed by signal %s'
177
% (self.properties[u"Name"], command,
231
self.logger('Checker for client %s (command "%s")'
232
' was killed by signal %s'
233
% (self.properties["Name"], command,
178
234
os.WTERMSIG(condition)))
179
235
elif os.WCOREDUMP(condition):
180
self.logger(u'Checker for client %s (command "%s")'
182
% (self.properties[u"Name"], command))
236
self.logger('Checker for client %s (command "%s")'
238
% (self.properties["Name"], command))
184
self.logger(u'Checker for client %s completed'
240
self.logger('Checker for client %s completed'
188
244
def checker_started(self, command):
189
#self.logger(u'Client %s started checker "%s"'
190
# % (self.properties[u"Name"], unicode(command)))
245
#self.logger('Client %s started checker "%s"'
246
# % (self.properties["Name"], unicode(command)))
193
249
def got_secret(self):
194
250
self.last_checker_failed = False
195
self.logger(u'Client %s received its secret'
196
% self.properties[u"Name"])
251
self.logger('Client %s received its secret'
252
% self.properties["Name"])
198
254
def need_approval(self, timeout, default):
200
message = u'Client %s needs approval within %s seconds'
256
message = 'Client %s needs approval within %s seconds'
202
message = u'Client %s will get its secret in %s seconds'
258
message = 'Client %s will get its secret in %s seconds'
203
259
self.logger(message
204
% (self.properties[u"Name"], timeout/1000))
260
% (self.properties["Name"], timeout/1000))
261
self.using_timer(True)
206
263
def rejected(self, reason):
207
self.logger(u'Client %s was rejected; reason: %s'
208
% (self.properties[u"Name"], reason))
264
self.logger('Client %s was rejected; reason: %s'
265
% (self.properties["Name"], reason))
210
267
def selectable(self):
211
268
"""Make this a "selectable" widget.
212
269
This overrides the method from urwid.FlowWidget."""
215
def rows(self, (maxcol,), focus=False):
272
def rows(self, maxcolrow, focus=False):
216
273
"""How many rows this widget will occupy might depend on
217
274
whether we have focus or not.
218
275
This overrides the method from urwid.FlowWidget"""
219
return self.current_widget(focus).rows((maxcol,), focus=focus)
276
return self.current_widget(focus).rows(maxcolrow, focus=focus)
221
278
def current_widget(self, focus=False):
222
279
if focus or self.opened:
226
283
def update(self):
227
284
"Called when what is visible on the screen should be updated."
228
285
# How to add standout mode to a style
229
with_standout = { u"normal": u"standout",
230
u"bold": u"bold-standout",
232
u"underline-blink-standout",
233
u"bold-underline-blink":
234
u"bold-underline-blink-standout",
286
with_standout = { "normal": "standout",
287
"bold": "bold-standout",
289
"underline-blink-standout",
290
"bold-underline-blink":
291
"bold-underline-blink-standout",
237
294
# Rebuild focus and non-focus widgets using current properties
239
296
# Base part of a client. Name!
240
base = (u'%(name)s: '
241
% {u"name": self.properties[u"Name"]})
242
if not self.properties[u"Enabled"]:
243
message = u"DISABLED"
244
elif self.properties[u"ApprovalPending"]:
245
if self.properties[u"ApprovedByDefault"]:
246
message = u"Connection established to client. (d)eny?"
248
message = u"Seeks approval to send secret. (a)pprove?"
249
elif self.last_checker_failed:
298
% {"name": self.properties["Name"]})
299
if not self.properties["Enabled"]:
301
elif self.properties["ApprovalPending"]:
250
302
timeout = datetime.timedelta(milliseconds
251
303
= self.properties
253
last_ok = isoformat_to_datetime(
254
max((self.properties[u"LastCheckedOK"]
255
or self.properties[u"Created"]),
256
self.properties[u"LastEnabled"]))
257
timer = timeout - (datetime.datetime.utcnow() - last_ok)
258
message = (u'A checker has failed! Time until client'
305
last_approval_request = isoformat_to_datetime(
306
self.properties["LastApprovalRequest"])
307
if last_approval_request is not None:
308
timer = timeout - (datetime.datetime.utcnow()
309
- last_approval_request)
311
timer = datetime.timedelta()
312
if self.properties["ApprovedByDefault"]:
313
message = "Approval in %s. (d)eny?"
315
message = "Denial in %s. (a)pprove?"
316
message = message % unicode(timer).rsplit(".", 1)[0]
317
elif self.last_checker_failed:
318
# When checker has failed, print a timer until client expires
319
expires = self.properties["Expires"]
321
timer = datetime.timedelta(0)
323
expires = datetime.datetime.strptime(expires,
324
'%Y-%m-%dT%H:%M:%S.%f')
325
timer = expires - datetime.datetime.utcnow()
326
message = ('A checker has failed! Time until client'
260
328
% unicode(timer).rsplit(".", 1)[0])
263
331
self._text = "%s%s" % (base, message)
265
333
if not urwid.supports_unicode():
266
334
self._text = self._text.encode("ascii", "replace")
267
textlist = [(u"normal", self._text)]
335
textlist = [("normal", self._text)]
268
336
self._text_widget.set_text(textlist)
269
337
self._focus_text_widget.set_text([(with_standout[text[0]],
279
347
self.update_hook()
281
349
def update_timer(self):
350
"""called by gobject. Will indefinitely loop until
351
gobject.source_remove() on tag is called"""
284
353
return True # Keep calling this
355
def delete(self, *args, **kwargs):
287
356
if self._update_timer_callback_tag is not None:
288
357
gobject.source_remove(self._update_timer_callback_tag)
289
358
self._update_timer_callback_tag = None
359
for match in self.match_objects:
361
self.match_objects = ()
290
362
if self.delete_hook is not None:
291
363
self.delete_hook(self)
364
return super(MandosClientWidget, self).delete(*args, **kwargs)
293
def render(self, (maxcol,), focus=False):
366
def render(self, maxcolrow, focus=False):
294
367
"""Render differently if we have focus.
295
368
This overrides the method from urwid.FlowWidget"""
296
return self.current_widget(focus).render((maxcol,),
369
return self.current_widget(focus).render(maxcolrow,
299
def keypress(self, (maxcol,), key):
372
def keypress(self, maxcolrow, key):
301
374
This overrides the method from urwid.FlowWidget"""
303
self.proxy.Enable(dbus_interface = client_interface)
305
self.proxy.Disable(dbus_interface = client_interface)
376
self.proxy.Enable(dbus_interface = client_interface,
379
self.proxy.Disable(dbus_interface = client_interface,
307
382
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
308
dbus_interface = client_interface)
383
dbus_interface = client_interface,
310
386
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
311
dbus_interface = client_interface)
312
elif key == u"r" or key == u"_" or key == u"ctrl k":
387
dbus_interface = client_interface,
389
elif key == "R" or key == "_" or key == "ctrl k":
313
390
self.server_proxy_object.RemoveClient(self.proxy
316
self.proxy.StartChecker(dbus_interface = client_interface)
318
self.proxy.StopChecker(dbus_interface = client_interface)
320
self.proxy.CheckedOK(dbus_interface = client_interface)
394
self.proxy.StartChecker(dbus_interface = client_interface,
397
self.proxy.StopChecker(dbus_interface = client_interface,
400
self.proxy.CheckedOK(dbus_interface = client_interface,
322
# elif key == u"p" or key == "=":
403
# elif key == "p" or key == "=":
323
404
# self.proxy.pause()
324
# elif key == u"u" or key == ":":
405
# elif key == "u" or key == ":":
325
406
# self.proxy.unpause()
326
# elif key == u"RET":
329
# self.proxy.Approve(True)
331
# self.proxy.Approve(False)
367
443
self.screen = urwid.curses_display.Screen()
369
445
self.screen.register_palette((
371
u"default", u"default", None),
373
u"default", u"default", u"bold"),
375
u"default", u"default", u"underline"),
377
u"default", u"default", u"standout"),
378
(u"bold-underline-blink",
379
u"default", u"default", (u"bold", u"underline")),
381
u"default", u"default", (u"bold", u"standout")),
382
(u"underline-blink-standout",
383
u"default", u"default", (u"underline", u"standout")),
384
(u"bold-underline-blink-standout",
385
u"default", u"default", (u"bold", u"underline",
447
"default", "default", None),
449
"default", "default", "bold"),
451
"default", "default", "underline"),
453
"default", "default", "standout"),
454
("bold-underline-blink",
455
"default", "default", ("bold", "underline")),
457
"default", "default", ("bold", "standout")),
458
("underline-blink-standout",
459
"default", "default", ("underline", "standout")),
460
("bold-underline-blink-standout",
461
"default", "default", ("bold", "underline",
389
465
if urwid.supports_unicode():
390
self.divider = u"─" # \u2500
391
#self.divider = u"━" # \u2501
466
self.divider = "─" # \u2500
467
#self.divider = "━" # \u2501
393
#self.divider = u"-" # \u002d
394
self.divider = u"_" # \u005f
469
#self.divider = "-" # \u002d
470
self.divider = "_" # \u005f
396
472
self.screen.start()
411
487
# This keeps track of whether self.uilist currently has
412
488
# self.logbox in it or not
413
489
self.log_visible = True
414
self.log_wrap = u"any"
490
self.log_wrap = "any"
417
self.log_message_raw((u"bold",
418
u"Mandos Monitor version " + version))
419
self.log_message_raw((u"bold",
493
self.log_message_raw(("bold",
494
"Mandos Monitor version " + version))
495
self.log_message_raw(("bold",
422
498
self.busname = domain + '.Mandos'
423
499
self.main_loop = gobject.MainLoop()
424
500
self.bus = dbus.SystemBus()
425
501
mandos_dbus_objc = self.bus.get_object(
426
self.busname, u"/", follow_name_owner_changes=True)
502
self.busname, "/", follow_name_owner_changes=True)
427
503
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
429
505
= server_interface)
497
573
and len(self.log) > self.max_log_length):
498
574
del self.log[0:len(self.log)-self.max_log_length-1]
499
575
self.logbox.set_focus(len(self.logbox.body.contents),
500
coming_from=u"above")
503
579
def toggle_log_display(self):
504
580
"""Toggle visibility of the log buffer."""
505
581
self.log_visible = not self.log_visible
507
self.log_message(u"Log visibility changed to: "
508
+ unicode(self.log_visible))
583
#self.log_message("Log visibility changed to: "
584
# + unicode(self.log_visible))
510
586
def change_log_display(self):
511
587
"""Change type of log display.
512
588
Currently, this toggles wrapping of text lines."""
513
if self.log_wrap == u"clip":
514
self.log_wrap = u"any"
589
if self.log_wrap == "clip":
590
self.log_wrap = "any"
516
self.log_wrap = u"clip"
592
self.log_wrap = "clip"
517
593
for textwidget in self.log:
518
594
textwidget.set_wrap_mode(self.log_wrap)
519
self.log_message(u"Wrap mode: " + self.log_wrap)
595
#self.log_message("Wrap mode: " + self.log_wrap)
521
597
def find_and_remove_client(self, path, name):
522
"""Find an client from its object path and remove it.
598
"""Find a client by its object path and remove it.
524
600
This is connected to the ClientRemoved signal from the
525
601
Mandos server object."""
602
680
except KeyError: # :-)
605
if key == u"q" or key == u"Q":
683
if key == "q" or key == "Q":
608
elif key == u"window resize":
686
elif key == "window resize":
609
687
self.size = self.screen.get_cols_rows()
611
elif key == u"\f": # Ctrl-L
689
elif key == "\f": # Ctrl-L
613
elif key == u"l" or key == u"D":
691
elif key == "l" or key == "D":
614
692
self.toggle_log_display()
616
elif key == u"w" or key == u"i":
694
elif key == "w" or key == "i":
617
695
self.change_log_display()
619
elif key == u"?" or key == u"f1" or key == u"esc":
697
elif key == "?" or key == "f1" or key == "esc":
620
698
if not self.log_visible:
621
699
self.log_visible = True
623
self.log_message_raw((u"bold",
627
u"l: Log window toggle",
628
u"TAB: Switch window",
630
self.log_message_raw((u"bold",
636
u"s: Start new checker",
701
self.log_message_raw(("bold",
705
"l: Log window toggle",
706
"TAB: Switch window",
708
self.log_message_raw(("bold",
714
"s: Start new checker",
643
721
if self.topwidget.get_focus() is self.logbox:
644
722
self.topwidget.set_focus(0)
646
724
self.topwidget.set_focus(self.logbox)
648
#elif (key == u"end" or key == u"meta >" or key == u"G"
726
#elif (key == "end" or key == "meta >" or key == "G"
650
728
# pass # xxx end-of-buffer
651
#elif (key == u"home" or key == u"meta <" or key == u"g"
729
#elif (key == "home" or key == "meta <" or key == "g"
653
731
# pass # xxx beginning-of-buffer
654
#elif key == u"ctrl e" or key == u"$":
732
#elif key == "ctrl e" or key == "$":
655
733
# pass # xxx move-end-of-line
656
#elif key == u"ctrl a" or key == u"^":
734
#elif key == "ctrl a" or key == "^":
657
735
# pass # xxx move-beginning-of-line
658
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
736
#elif key == "ctrl b" or key == "meta (" or key == "h":
659
737
# pass # xxx left
660
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
738
#elif key == "ctrl f" or key == "meta )" or key == "l":
661
739
# pass # xxx right
663
741
# pass # scroll up log
665
743
# pass # scroll down log
666
744
elif self.topwidget.selectable():
667
745
self.topwidget.keypress(self.size, key)