2
2
# -*- mode: python; coding: utf-8 -*-
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2009-2012 Teddy Hogeborn
7
# Copyright © 2009-2012 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@recompile.se>.
25
from __future__ import (division, absolute_import, print_function,
4
from __future__ import division, absolute_import, with_statement
130
81
self.logger = logger
132
self._update_timer_callback_tag = None
133
self._update_timer_callback_lock = 0
134
self.last_checker_failed = False
136
83
# The widget shown normally
137
self._text_widget = urwid.Text("")
84
self._text_widget = urwid.Text(u"")
138
85
# The widget shown when we have focus
139
self._focus_text_widget = urwid.Text("")
86
self._focus_text_widget = urwid.Text(u"")
140
87
super(MandosClientWidget, self).__init__(
141
88
update_hook=update_hook, delete_hook=delete_hook,
144
91
self.opened = False
146
last_checked_ok = isoformat_to_datetime(self.properties
148
if last_checked_ok is None:
149
self.last_checker_failed = True
151
self.last_checker_failed = ((datetime.datetime.utcnow()
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
204
self._update_timer_callback_tag = (gobject.timeout_add
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
92
self.proxy.connect_to_signal(u"CheckerCompleted",
93
self.checker_completed,
96
self.proxy.connect_to_signal(u"CheckerStarted",
100
self.proxy.connect_to_signal(u"GotSecret",
104
self.proxy.connect_to_signal(u"Rejected",
211
109
def checker_completed(self, exitstatus, condition, command):
212
110
if exitstatus == 0:
213
if self.last_checker_failed:
214
self.last_checker_failed = False
215
self.using_timer(False)
216
#self.logger('Checker for client %s (command "%s")'
218
# % (self.properties["Name"], command))
111
self.logger(u'Checker for client %s (command "%s")'
113
% (self.properties[u"name"], command))
222
if not self.last_checker_failed:
223
self.last_checker_failed = True
224
self.using_timer(True)
225
115
if os.WIFEXITED(condition):
226
self.logger('Checker for client %s (command "%s")'
227
' failed with exit code %s'
228
% (self.properties["Name"], command,
116
self.logger(u'Checker for client %s (command "%s")'
117
u' failed with exit code %s'
118
% (self.properties[u"name"], command,
229
119
os.WEXITSTATUS(condition)))
230
elif os.WIFSIGNALED(condition):
231
self.logger('Checker for client %s (command "%s")'
232
' was killed by signal %s'
233
% (self.properties["Name"], command,
121
if os.WIFSIGNALED(condition):
122
self.logger(u'Checker for client %s (command "%s")'
123
u' was killed by signal %s'
124
% (self.properties[u"name"], command,
234
125
os.WTERMSIG(condition)))
235
elif os.WCOREDUMP(condition):
236
self.logger('Checker for client %s (command "%s")'
238
% (self.properties["Name"], command))
240
self.logger('Checker for client %s completed'
127
if os.WCOREDUMP(condition):
128
self.logger(u'Checker for client %s (command "%s")'
130
% (self.properties[u"name"], command))
131
self.logger(u'Checker for client %s completed mysteriously')
244
133
def checker_started(self, command):
245
"""Server signals that a checker started. This could be useful
246
to log in the future. """
247
#self.logger('Client %s started checker "%s"'
248
# % (self.properties["Name"], unicode(command)))
134
self.logger(u'Client %s started checker "%s"'
135
% (self.properties[u"name"], unicode(command)))
251
137
def got_secret(self):
252
self.last_checker_failed = False
253
self.logger('Client %s received its secret'
254
% self.properties["Name"])
256
def need_approval(self, timeout, default):
258
message = 'Client %s needs approval within %s seconds'
260
message = 'Client %s will get its secret in %s seconds'
262
% (self.properties["Name"], timeout/1000))
263
self.using_timer(True)
265
def rejected(self, reason):
266
self.logger('Client %s was rejected; reason: %s'
267
% (self.properties["Name"], reason))
138
self.logger(u'Client %s received its secret'
139
% self.properties[u"name"])
142
self.logger(u'Client %s was rejected'
143
% self.properties[u"name"])
269
145
def selectable(self):
270
146
"""Make this a "selectable" widget.
271
147
This overrides the method from urwid.FlowWidget."""
274
def rows(self, maxcolrow, focus=False):
150
def rows(self, (maxcol,), focus=False):
275
151
"""How many rows this widget will occupy might depend on
276
152
whether we have focus or not.
277
153
This overrides the method from urwid.FlowWidget"""
278
return self.current_widget(focus).rows(maxcolrow, focus=focus)
154
return self.current_widget(focus).rows((maxcol,), focus=focus)
280
156
def current_widget(self, focus=False):
281
157
if focus or self.opened:
285
161
def update(self):
286
162
"Called when what is visible on the screen should be updated."
287
163
# How to add standout mode to a style
288
with_standout = { "normal": "standout",
289
"bold": "bold-standout",
291
"underline-blink-standout",
292
"bold-underline-blink":
293
"bold-underline-blink-standout",
164
with_standout = { u"normal": u"standout",
165
u"bold": u"bold-standout",
167
u"underline-blink-standout",
168
u"bold-underline-blink":
169
u"bold-underline-blink-standout",
296
172
# Rebuild focus and non-focus widgets using current properties
298
# Base part of a client. Name!
300
% {"name": self.properties["Name"]})
301
if not self.properties["Enabled"]:
303
elif self.properties["ApprovalPending"]:
304
timeout = datetime.timedelta(milliseconds
307
last_approval_request = isoformat_to_datetime(
308
self.properties["LastApprovalRequest"])
309
if last_approval_request is not None:
310
timer = timeout - (datetime.datetime.utcnow()
311
- last_approval_request)
313
timer = datetime.timedelta()
314
if self.properties["ApprovedByDefault"]:
315
message = "Approval in %s. (d)eny?"
317
message = "Denial in %s. (a)pprove?"
318
message = message % unicode(timer).rsplit(".", 1)[0]
319
elif self.last_checker_failed:
320
# When checker has failed, print a timer until client expires
321
expires = self.properties["Expires"]
323
timer = datetime.timedelta(0)
325
expires = datetime.datetime.strptime(expires,
326
'%Y-%m-%dT%H:%M:%S.%f')
327
timer = expires - datetime.datetime.utcnow()
328
message = ('A checker has failed! Time until client'
330
% unicode(timer).rsplit(".", 1)[0])
333
self._text = "%s%s" % (base, message)
173
self._text = (u'%(name)s: %(enabled)s'
174
% { u"name": self.properties[u"name"],
177
if self.properties[u"enabled"]
335
179
if not urwid.supports_unicode():
336
180
self._text = self._text.encode("ascii", "replace")
337
textlist = [("normal", self._text)]
181
textlist = [(u"normal", self._text)]
338
182
self._text_widget.set_text(textlist)
339
183
self._focus_text_widget.set_text([(with_standout[text[0]],
348
192
if self.update_hook is not None:
349
193
self.update_hook()
351
def update_timer(self):
352
"""called by gobject. Will indefinitely loop until
353
gobject.source_remove() on tag is called"""
355
return True # Keep calling this
357
def delete(self, *args, **kwargs):
358
if self._update_timer_callback_tag is not None:
359
gobject.source_remove(self._update_timer_callback_tag)
360
self._update_timer_callback_tag = None
361
for match in self.match_objects:
363
self.match_objects = ()
364
196
if self.delete_hook is not None:
365
197
self.delete_hook(self)
366
return super(MandosClientWidget, self).delete(*args, **kwargs)
368
def render(self, maxcolrow, focus=False):
199
def render(self, (maxcol,), focus=False):
369
200
"""Render differently if we have focus.
370
201
This overrides the method from urwid.FlowWidget"""
371
return self.current_widget(focus).render(maxcolrow,
202
return self.current_widget(focus).render((maxcol,),
374
def keypress(self, maxcolrow, key):
205
def keypress(self, (maxcol,), key):
376
207
This overrides the method from urwid.FlowWidget"""
378
self.proxy.Enable(dbus_interface = client_interface,
381
self.proxy.Disable(dbus_interface = client_interface,
384
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
385
dbus_interface = client_interface,
388
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
389
dbus_interface = client_interface,
391
elif key == "R" or key == "_" or key == "ctrl k":
208
if key == u"e" or key == u"+":
210
elif key == u"d" or key == u"-":
212
elif key == u"r" or key == u"_" or key == u"ctrl k":
392
213
self.server_proxy_object.RemoveClient(self.proxy
396
self.proxy.StartChecker(dbus_interface = client_interface,
399
self.proxy.StopChecker(dbus_interface = client_interface,
402
self.proxy.CheckedOK(dbus_interface = client_interface,
216
self.proxy.StartChecker()
218
self.proxy.StopChecker()
220
self.proxy.CheckedOK()
405
# elif key == "p" or key == "=":
222
# elif key == u"p" or key == "=":
406
223
# self.proxy.pause()
407
# elif key == "u" or key == ":":
224
# elif key == u"u" or key == ":":
408
225
# self.proxy.unpause()
226
# elif key == u"RET":
445
262
self.screen = urwid.curses_display.Screen()
447
264
self.screen.register_palette((
449
"default", "default", None),
451
"default", "default", "bold"),
453
"default", "default", "underline"),
455
"default", "default", "standout"),
456
("bold-underline-blink",
457
"default", "default", ("bold", "underline")),
459
"default", "default", ("bold", "standout")),
460
("underline-blink-standout",
461
"default", "default", ("underline", "standout")),
462
("bold-underline-blink-standout",
463
"default", "default", ("bold", "underline",
266
u"default", u"default", None),
268
u"default", u"default", u"bold"),
270
u"default", u"default", u"underline"),
272
u"default", u"default", u"standout"),
273
(u"bold-underline-blink",
274
u"default", u"default", (u"bold", u"underline")),
276
u"default", u"default", (u"bold", u"standout")),
277
(u"underline-blink-standout",
278
u"default", u"default", (u"underline", u"standout")),
279
(u"bold-underline-blink-standout",
280
u"default", u"default", (u"bold", u"underline",
467
284
if urwid.supports_unicode():
468
self.divider = "─" # \u2500
469
#self.divider = "━" # \u2501
285
self.divider = u"─" # \u2500
286
#self.divider = u"━" # \u2501
471
#self.divider = "-" # \u002d
472
self.divider = "_" # \u005f
288
#self.divider = u"-" # \u002d
289
self.divider = u"_" # \u005f
474
291
self.screen.start()
489
306
# This keeps track of whether self.uilist currently has
490
307
# self.logbox in it or not
491
308
self.log_visible = True
492
self.log_wrap = "any"
309
self.log_wrap = u"any"
495
self.log_message_raw(("bold",
496
"Mandos Monitor version " + version))
497
self.log_message_raw(("bold",
312
self.log_message_raw((u"bold",
313
u"Mandos Monitor version " + version))
314
self.log_message_raw((u"bold",
500
317
self.busname = domain + '.Mandos'
501
318
self.main_loop = gobject.MainLoop()
319
self.bus = dbus.SystemBus()
320
mandos_dbus_objc = self.bus.get_object(
321
self.busname, u"/", follow_name_owner_changes=True)
322
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
326
mandos_clients = (self.mandos_serv
327
.GetAllClientsWithProperties())
328
except dbus.exceptions.DBusException:
329
mandos_clients = dbus.Dictionary()
332
.connect_to_signal(u"ClientRemoved",
333
self.find_and_remove_client,
334
dbus_interface=server_interface,
337
.connect_to_signal(u"ClientAdded",
339
dbus_interface=server_interface,
342
.connect_to_signal(u"ClientNotFound",
343
self.client_not_found,
344
dbus_interface=server_interface,
346
for path, client in mandos_clients.iteritems():
347
client_proxy_object = self.bus.get_object(self.busname,
349
self.add_client(MandosClientWidget(server_proxy_object
352
=client_proxy_object,
503
362
def client_not_found(self, fingerprint, address):
504
self.log_message(("Client with address %s and fingerprint %s"
505
" could not be found" % (address,
363
self.log_message((u"Client with address %s and fingerprint %s"
364
u" could not be found" % (address,
508
367
def rebuild(self):
532
389
and len(self.log) > self.max_log_length):
533
390
del self.log[0:len(self.log)-self.max_log_length-1]
534
391
self.logbox.set_focus(len(self.logbox.body.contents),
392
coming_from=u"above")
538
395
def toggle_log_display(self):
539
396
"""Toggle visibility of the log buffer."""
540
397
self.log_visible = not self.log_visible
542
#self.log_message("Log visibility changed to: "
543
# + unicode(self.log_visible))
399
self.log_message(u"Log visibility changed to: "
400
+ unicode(self.log_visible))
545
402
def change_log_display(self):
546
403
"""Change type of log display.
547
404
Currently, this toggles wrapping of text lines."""
548
if self.log_wrap == "clip":
549
self.log_wrap = "any"
405
if self.log_wrap == u"clip":
406
self.log_wrap = u"any"
551
self.log_wrap = "clip"
408
self.log_wrap = u"clip"
552
409
for textwidget in self.log:
553
410
textwidget.set_wrap_mode(self.log_wrap)
554
#self.log_message("Wrap mode: " + self.log_wrap)
411
self.log_message(u"Wrap mode: " + self.log_wrap)
556
413
def find_and_remove_client(self, path, name):
557
"""Find a client by its object path and remove it.
414
"""Find an client from its object path and remove it.
559
416
This is connected to the ClientRemoved signal from the
560
417
Mandos server object."""
610
465
"""Start the main loop and exit when it's done."""
611
self.bus = dbus.SystemBus()
612
mandos_dbus_objc = self.bus.get_object(
613
self.busname, "/", follow_name_owner_changes=True)
614
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
618
mandos_clients = (self.mandos_serv
619
.GetAllClientsWithProperties())
620
except dbus.exceptions.DBusException:
621
mandos_clients = dbus.Dictionary()
624
.connect_to_signal("ClientRemoved",
625
self.find_and_remove_client,
626
dbus_interface=server_interface,
629
.connect_to_signal("ClientAdded",
631
dbus_interface=server_interface,
634
.connect_to_signal("ClientNotFound",
635
self.client_not_found,
636
dbus_interface=server_interface,
638
for path, client in mandos_clients.iteritems():
639
client_proxy_object = self.bus.get_object(self.busname,
641
self.add_client(MandosClientWidget(server_proxy_object
644
=client_proxy_object,
655
467
self._input_callback_tag = (gobject.io_add_watch
656
468
(sys.stdin.fileno(),
682
494
except KeyError: # :-)
685
if key == "q" or key == "Q":
497
if key == u"q" or key == u"Q":
688
elif key == "window resize":
500
elif key == u"window resize":
689
501
self.size = self.screen.get_cols_rows()
691
elif key == "\f": # Ctrl-L
503
elif key == u"\f": # Ctrl-L
693
elif key == "l" or key == "D":
505
elif key == u"l" or key == u"D":
694
506
self.toggle_log_display()
696
elif key == "w" or key == "i":
508
elif key == u"w" or key == u"i":
697
509
self.change_log_display()
699
elif key == "?" or key == "f1" or key == "esc":
511
elif key == u"?" or key == u"f1" or key == u"esc":
700
512
if not self.log_visible:
701
513
self.log_visible = True
703
self.log_message_raw(("bold",
707
"l: Log window toggle",
708
"TAB: Switch window",
710
self.log_message_raw(("bold",
716
"s: Start new checker",
515
self.log_message_raw((u"bold",
519
u"l: Log window toggle",
520
u"TAB: Switch window",
522
self.log_message_raw((u"bold",
528
u"s: Start new checker",
723
533
if self.topwidget.get_focus() is self.logbox:
724
534
self.topwidget.set_focus(0)
726
536
self.topwidget.set_focus(self.logbox)
728
#elif (key == "end" or key == "meta >" or key == "G"
538
#elif (key == u"end" or key == u"meta >" or key == u"G"
730
540
# pass # xxx end-of-buffer
731
#elif (key == "home" or key == "meta <" or key == "g"
541
#elif (key == u"home" or key == u"meta <" or key == u"g"
733
543
# pass # xxx beginning-of-buffer
734
#elif key == "ctrl e" or key == "$":
544
#elif key == u"ctrl e" or key == u"$":
735
545
# pass # xxx move-end-of-line
736
#elif key == "ctrl a" or key == "^":
546
#elif key == u"ctrl a" or key == u"^":
737
547
# pass # xxx move-beginning-of-line
738
#elif key == "ctrl b" or key == "meta (" or key == "h":
548
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
739
549
# pass # xxx left
740
#elif key == "ctrl f" or key == "meta )" or key == "l":
550
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
741
551
# pass # xxx right
743
553
# pass # scroll up log
745
555
# pass # scroll down log
746
556
elif self.topwidget.selectable():
747
557
self.topwidget.keypress(self.size, key)